CN102679665A - Refrigerator and control method thereof - Google Patents
Refrigerator and control method thereof Download PDFInfo
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- CN102679665A CN102679665A CN2012101774941A CN201210177494A CN102679665A CN 102679665 A CN102679665 A CN 102679665A CN 2012101774941 A CN2012101774941 A CN 2012101774941A CN 201210177494 A CN201210177494 A CN 201210177494A CN 102679665 A CN102679665 A CN 102679665A
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Abstract
The invention discloses a refrigerator and a control method thereof. The refrigerator includes a refrigerator body, a door body and a refrigerating system, wherein the refrigerating system includes a compressor, a condenser, a switch unit, a refrigerating throttler, a freezing throttler, a refrigerating evaporator, and first and second freezing evaporators, wherein the inlet of the refrigerating throttler is connected with the first outlet of the switch unit; the inlet of the freezing throttler is connected with the second outlet of the switch unit; the inlet of the refrigerating evaporator is connected with the outlet of the refrigerating throttler; the inlet of the first freezing evaporator is connected with the outlet of the refrigerating evaporator; the outlet of the first freezing evaporator is connected with the inlet of the compressor; the inlet of the second freezing evaporator is connected with the outlet of the freezing throttler, and the outlet of the second freezing evaporator is connected with the inlet of the compressor; and both the first and the second freezing evaporators are arranged outside the freezing chamber. According to the embodiment provided by the invention, the refrigerator has the advantages of high refrigerating efficiency, low energy consumption and less frosting amount.
Description
Technical field
The present invention relates to field of household appliances, particularly, the present invention relates to a kind of refrigerator and control method thereof.
Background technology
At present, existing direct cooling refrigerator adopts built-in refrigerating evaporator, and promptly refrigerating evaporator is located in the refrigerating chamber of direct cooling refrigerator.There is the defective that refrigerating efficiency is low, energy consumption is high in existing direct cooling refrigerator.
Summary of the invention
The present invention one of is intended to solve the problems of the technologies described above at least to a certain extent or provides a kind of useful commerce to select at least.For this reason, one object of the present invention is to propose a kind of refrigerator with refrigerating efficiency height, low power consumption and other advantages.
Another object of the present invention is to propose a kind of said control method of refrigerator.
To achieve these goals, the embodiment according to first aspect present invention proposes a kind of refrigerator.Said refrigerator comprises: casing has refrigerating chamber and refrigerating chamber in the said casing; The door body, said door body is installed on the said casing; And refrigeration system, said refrigeration system is installed on the said casing.Wherein said refrigeration system comprises: compressor; Condenser, the import of said condenser links to each other with the outlet of said compressor; Switch unit, the import of said switch unit links to each other with the outlet of said condenser; Refrigeration flow controller and freezing flow controller, the import of said refrigeration flow controller links to each other with first outlet of said switch unit, and the import of said freezing flow controller links to each other with second outlet of said switch unit; Refrigeration evaporator, the import of said refrigeration evaporator links to each other with the outlet of said refrigeration flow controller; And first and second refrigerating evaporator; The import of said first refrigerating evaporator links to each other with the outlet of said refrigeration evaporator and the outlet of said first refrigerating evaporator links to each other with the import of said compressor; The import of said second refrigerating evaporator links to each other with the outlet of said freezing flow controller and the outlet of said second refrigerating evaporator links to each other with the import of said compressor, and each in wherein said first and second refrigerating evaporators all is located at outside the said refrigerating chamber.
Said first refrigerating evaporator of refrigerator according to the embodiment of the invention through said second refrigerating evaporator being set and connecting with said refrigeration evaporator; Thereby not only can utilize cold-producing medium fully, and can reduce number of times and time that said compressor is opened widely.Therefore, the refrigerator according to the embodiment of the invention has refrigerating efficiency height, low power consumption and other advantages.In addition; According to the refrigerator of the embodiment of the invention through said first refrigerating evaporator and said second refrigerating evaporator all are located at outside the said refrigerating chamber; Thereby not only can increase the usage space of said refrigerating chamber widely; And can avoid the air in the said refrigerating chamber directly to contact with said second refrigerating evaporator with said first refrigerating evaporator, can reduce the frosting degree in the said refrigerating chamber so widely.
In addition, refrigerator according to the above embodiment of the present invention can also have following additional technical characterictic:
According to one embodiment of present invention, each in said first and second refrigerating evaporators is plate pipe evaporator.That plate pipe evaporator has is simple in structure, low cost of manufacture, heat exchange efficiency advantages of higher.
According to one embodiment of present invention, said casing comprises: the case shell; Case courage, said case courage are located in the said case shell, have said refrigerating chamber in the said case courage, and each in wherein said first and second refrigerating evaporators all is located on the outer surface of said case courage; And foaming layer, said foaming layer is located in the space between said case shell and the said case courage.Through said first refrigerating evaporator and said second refrigerating evaporator are arranged on the outer surface of said case courage, thereby can increase the usage space of said refrigerating chamber widely.And; Said first refrigerating evaporator and said second refrigerating evaporator can pass to the air in the said refrigerating chamber with cold through said case courage; Because the air in the said refrigerating chamber and the temperature difference of said case courage less than the temperature difference of the air in the said refrigerating chamber and said first refrigerating evaporator and said second refrigerating evaporator, therefore can reduce the frosting degree in the said refrigerating chamber widely.
According to one embodiment of present invention, each in said first and second refrigerating evaporators all is located on each in end face, bottom surface, left surface and the right flank of said case courage.Through in the end face, bottom surface, left surface and the right flank that are located at said case courage in the end face, bottom surface, left surface and the right flank that said first refrigerating evaporator are located at said case courage each and with said second refrigerating evaporator each; Thereby can increase the heat exchange area of said first refrigerating evaporator and said case courage and the heat exchange area of said second refrigerating evaporator and said case courage widely, can improve the refrigerating speed of said refrigerating chamber so widely.
According to one embodiment of present invention; The lower edge of the contiguous said left surface in upper edge and lower end of the contiguous said left surface in the upper end that is positioned at the part on the said left surface of each in said first and second refrigerating evaporators, the lower edge of the contiguous said right flank in upper edge and lower end of the contiguous said right flank in the upper end that is positioned at the part on the said right flank of each in said first and second refrigerating evaporators.The heat exchange area of said first refrigerating evaporator and said case courage and the heat exchange area of said second refrigerating evaporator and said case courage can be further increased like this, thereby the refrigerating speed of said refrigerating chamber can be further improved.But also said first refrigerating evaporator and said second refrigerating evaporator are freezed more equably to each position in the said refrigerating chamber; Thereby make the temperature of each position in the said refrigerating chamber consistent more, the frost layer is evenly distributed in the said refrigerating chamber more.
According to one embodiment of present invention; The edge, right side of the contiguous said end face in edge, left side and right side of the contiguous said end face in the left side that is positioned at the part on the said end face of each in said first and second refrigerating evaporators, the edge, right side of the contiguous said bottom surface in edge, left side and right side of the contiguous said bottom surface, the left side that is positioned at the part on the said bottom surface of each in said first and second refrigerating evaporators.The heat exchange area of said first refrigerating evaporator and said case courage and the heat exchange area of said second refrigerating evaporator and said case courage can be further increased like this, thereby the refrigerating speed of said refrigerating chamber can be further improved.But also said first refrigerating evaporator and said second refrigerating evaporator are freezed more equably to each position in the said refrigerating chamber; Thereby make the temperature of each position in the said refrigerating chamber consistent more, the frost layer is evenly distributed in the said refrigerating chamber more.
According to one embodiment of present invention, said first refrigerating evaporator comprises plate and is located at the pipe of first on the said plate that said second refrigerating evaporator comprises said plate and is located at the pipe of second on the said plate.So not only can reduce the manufacturing cost of said first refrigerating evaporator and said second refrigerating evaporator, and can reduce widely said first refrigerating evaporator and said second refrigerating evaporator are installed to the difficulty on the said case courage.
According to one embodiment of present invention, said first the pipe be parallel to said second the pipe.So not only can said first pipe and said second pipe be installed on the said plate with being more prone to; And can make said first refrigerating evaporator more consistent to the refrigeration of said refrigerating chamber, and then the frost layer further is evenly distributed in the said refrigerating chamber with said second refrigerating evaporator.Therefore, the refrigerator according to the embodiment of the invention has advantages such as defrost power is lower, the defrost energy consumption is littler, the defrost time is shorter.
According to one embodiment of present invention, said refrigeration system also comprises: the anti-pipe that coagulates, and said anti-import of coagulating pipe links to each other with the outlet of said condenser; And device for drying and filtering, the import of said device for drying and filtering links to each other with said anti-outlet of coagulating pipe, and the outlet of said device for drying and filtering links to each other with the import of said switch unit.Through the said anti-pipe that coagulates is set, can prevent door body dewfall when air humidity is big of said refrigerator.Through said device for drying and filtering is set; Not only can remove the residual moisture in the said refrigeration system; Thereby anti-stagnant ice is stifled, and can reduce the corrosiveness of moisture to said refrigeration system, and the impurity in can the said refrigeration system of filtering; For example metal fillings, various oxide and dust etc., thus can avoid said refrigeration flow controller and said freezing flow controller dirty stifled.
Embodiment according to second aspect present invention proposes a kind of according to the described control method of refrigerator of first aspect present invention; Said control method may further comprise the steps: the temperature that A) detects refrigerating chamber; When said refrigerating chamber need freeze, first outlet of control compressor start and control switch unit open and second port closing so that cold-producing medium gets into refrigeration evaporator so that said refrigerating chamber is freezed through the refrigeration flow controller; B) cold-producing medium that leaves said refrigeration evaporator gets into first refrigerating evaporator so that refrigerating chamber is freezed; And C) when said refrigerating chamber need not freeze; Detect the temperature of said refrigerating chamber; When if said refrigerating chamber need not freeze; Said compressor shutdown, if when said refrigerating chamber need freeze, first port closing of start of control compressor and control switch unit and second outlet is opened so that cold-producing medium gets into second refrigerating evaporator so that said refrigerating chamber is freezed through freezing flow controller.
The said refrigerating chamber remaining cold-producing medium in back that freezes is freezed to said refrigerating chamber through utilizing according to the control method of refrigerator of the embodiment of the invention, thereby can improve refrigerating efficiency widely, cut down the consumption of energy widely.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize through practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage obviously with are easily understood becoming the description of embodiment from combining figs, wherein:
Fig. 1 is the structural representation according to the refrigeration system of the refrigerator of the embodiment of the invention;
Fig. 2 is the partial structurtes sketch map according to the refrigerator of the embodiment of the invention;
Fig. 3 is the partial structurtes sketch map according to the refrigerator of the embodiment of the invention;
Fig. 4 is the partial structurtes sketch map according to the refrigerator of the embodiment of the invention; With
Fig. 5 is the flow chart according to the control method of refrigerator of the embodiment of the invention.
The specific embodiment
Describe embodiments of the invention below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, be intended to be used to explain the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention; It will be appreciated that; The orientation of indications such as term " " center ", " vertically ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise " or position relation are for based on orientation shown in the drawings or position relation; only be to describe with simplifying for the ease of describing the present invention; rather than the device or the element of indication or hint indication must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " only are used to describe purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more a plurality of these characteristics can be shown or impliedly comprised to the characteristic that is limited with " first ", " second " clearly.In description of the invention, the implication of " a plurality of " is two or more, only if clear and definite concrete qualification is arranged in addition.
In the present invention, only if clear and definite regulation and qualification are arranged in addition, broad understanding should be done in terms such as term " installation ", " linking to each other ", " connection ", " fixing ", for example, can be to be fixedly connected, and also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can link to each other indirectly through intermediary, can be the connection of two element internals.For those of ordinary skill in the art, can understand above-mentioned term concrete implication in the present invention as the case may be.
In the present invention; Only if clear and definite regulation and qualification are arranged in addition; First characteristic second characteristic it " on " or D score can comprise that first and second characteristics directly contact, can comprise that also first and second characteristics are not directly contacts but through the contact of the additional features between them.And, first characteristic second characteristic " on ", " top " and " above " comprise first characteristic directly over second characteristic and oblique upper, or only represent that the first characteristic level height is higher than second characteristic.First characteristic second characteristic " under ", " below " and " below " comprise first characteristic under second characteristic with tiltedly below, or only represent that the first characteristic level height is less than second characteristic.
Referring to figs. 1 through Fig. 4 the refrigerator according to the embodiment of the invention is described below.To shown in Figure 4, comprise casing (not shown), door body (not shown) and refrigeration system 10 like Fig. 1 according to the refrigerator of the embodiment of the invention.Have refrigerating chamber and refrigerating chamber in the said casing, said door body is installed on the said casing, and refrigeration system 10 is installed on the said casing.
At first refrigeration system 10 is described with reference to Fig. 1.As shown in Figure 1, refrigeration system 10 comprises compressor 100, condenser 200, switch unit 300, refrigeration flow controller 400, freezing flow controller 500, refrigeration evaporator 600, first refrigerating evaporator 700 and second refrigerating evaporator 800.
The import of condenser 200 links to each other with the outlet of compressor 100, and the import of switch unit 300 links to each other with the outlet of condenser 200.The import of refrigeration flow controller 400 links to each other with first outlet 310 of switch unit 300, and the import of freezing flow controller 500 links to each other with second outlet 320 of switch unit 300.The import of refrigeration evaporator 600 links to each other with the outlet of refrigeration flow controller 400.The import of first refrigerating evaporator 700 links to each other with the outlet of refrigeration evaporator 600; And the outlet of first refrigerating evaporator 700 links to each other with the import of compressor 100; The import of second refrigerating evaporator 800 links to each other with the outlet of freezing flow controller 500, and the outlet of second refrigerating evaporator 800 links to each other with the import of compressor 100, and wherein first refrigerating evaporator 700 is located at outside the said refrigerating chamber; Second refrigerating evaporator 800 also is located at outside the said refrigerating chamber
Describe the control method of refrigerator according to the embodiment of the invention with reference to Fig. 5 below, said control method may further comprise the steps:
A) temperature (for example utilizing the refrigerated storage temperature sensor to detect the temperature of said refrigerating chamber) of the said refrigerating chamber of detection; When said refrigerating chamber need freeze; 100 starts of control compressor; And first outlet 310 of control switch unit 300 is opened, and second outlet 320 of control switch unit 300 is closed, so that cold-producing medium gets into refrigeration evaporator 600 so that said refrigerating chamber is freezed through refrigeration flow controller 400.
B) cold-producing medium that leaves refrigeration evaporator 600 gets into first refrigerating evaporator 700 so that said refrigerating chamber is freezed.
C) when said refrigerating chamber need not freeze; Detect the temperature (for example utilizing the cryogenic temperature sensor to detect the temperature of said refrigerating chamber) of said refrigerating chamber; When if said refrigerating chamber need not freeze (said refrigerating chamber in temperature be lower than design temperature), compressor 100 is shut down, if when said refrigerating chamber need freeze (temperature in the said refrigerating chamber is higher than design temperature); 100 starts of control compressor; And first outlet 310 of control switch unit 300 is closed, and second outlet 320 of control switch unit 300 is opened, so that cold-producing medium gets into second refrigerating evaporator 800 so that said refrigerating chamber is freezed through freezing flow controller 500.
Particularly; Said refrigerator can also comprise the controller (not shown), and said controller can and be shut down and the opening and closing of second outlet 320 of the opening and closing of first outlet 310 of control switch unit 300 and switch unit 300 according to temperature control compressor 100 starts of the temperature of said refrigerating chamber and said refrigerating chamber.
After said refrigerating chamber is freezed, can remain part of refrigerant.According to the refrigeration system 10 of the refrigerator of the embodiment of the invention through first refrigerating evaporator 700 that links to each other with refrigeration evaporator 600 is set; Thereby can be after said refrigerating chamber be freezed; Said refrigerating chamber is also freezed; So not only cold-producing medium can be utilized fully, and number of times and time that compressor 100 is opened can be reduced widely.Particularly; Through utilizing the said refrigerating chamber remaining cold-producing medium in back that freezes is freezed (promptly once refrigeration) to said refrigerating chamber, thereby can not need again compressor and starting 100 and freeze through 800 pairs of said refrigerating chambers of second refrigerating evaporator.If after utilizing said remaining cold-producing medium that said refrigerating chamber is freezed; The temperature of said refrigerating chamber is not lower than design temperature (after in most cases carrying out said once refrigeration; The temperature of said refrigerating chamber can be lower than design temperature), can control then that compressor 100 is opened and through 800 pairs of said refrigerating chambers of second refrigerating evaporator freeze (being secondary refrigeration).Owing to carried out said once refrigeration,, promptly can shorten the time that compressor 100 is opened widely so can shorten the time of said secondary refrigeration widely.
First refrigerating evaporator 700 of refrigerator according to the embodiment of the invention through second refrigerating evaporator 800 being set and connecting with refrigeration evaporator 600; Thereby not only can utilize cold-producing medium fully, and can reduce number of times and time that compressor 100 is opened widely.Therefore, the refrigerator according to the embodiment of the invention has refrigerating efficiency height, low power consumption and other advantages.In addition; According to the refrigerator of the embodiment of the invention through first refrigerating evaporator 700 and second refrigerating evaporator 800 all are located at outside the said refrigerating chamber; Thereby not only can increase the usage space of said refrigerating chamber widely; And can avoid the air in the said refrigerating chamber directly to contact with second refrigerating evaporator 800 with first refrigerating evaporator 700, can reduce the frosting degree in the said refrigerating chamber so widely.
The said refrigerating chamber remaining cold-producing medium in back that freezes is freezed to said refrigerating chamber through utilizing according to the control method of refrigerator of the embodiment of the invention, thereby can improve refrigerating efficiency widely, cut down the consumption of energy widely.
Alternatively, can also have temperature-changing chamber in the casing according to the refrigerator of the embodiment of the invention, refrigeration system 10 can also comprise that alternating temperature flow controller and alternating temperature evaporimeter and switch unit 300 can have the 3rd outlet.Wherein, The inlet of said alternating temperature flow controller can link to each other with the 3rd outlet of switch unit 300; The outlet of said alternating temperature flow controller can link to each other with the inlet of said alternating temperature evaporimeter, and the outlet of said alternating temperature evaporimeter can link to each other with the inlet of first refrigerating evaporator 700.When said temperature-changing chamber need freeze, the start of control compressor 100, and the 3rd outlet of control switch unit 300 opens, so that cold-producing medium gets into said alternating temperature evaporimeter so that said temperature-changing chamber is freezed through said alternating temperature flow controller.
First refrigerating evaporator 700 can be any one evaporimeter, and second refrigerating evaporator 800 also can be any one evaporimeter.To shown in Figure 4, in some embodiments of the invention, first refrigerating evaporator 700 can be a plate pipe evaporator like Fig. 2, and second refrigerating evaporator 800 also can be a plate pipe evaporator.That plate pipe evaporator has is simple in structure, low cost of manufacture, heat exchange efficiency advantages of higher.
To shown in Figure 4, in one embodiment of the invention, said casing can comprise case shell (not shown), case courage 20 and foaming layer (not shown) like Fig. 2.Case courage 20 can be located in the said case shell, can have said refrigerating chamber in the case courage 20, and wherein first refrigerating evaporator 700 can be located on the outer surface of case courage 20, and second refrigerating evaporator 800 also can be located on the outer surface of case courage 20.Said foaming layer can be located in the space between said case shell and the case courage 20.Wherein, the outer surface of case courage 20 is meant the surface away from said refrigerating chamber of case courage 20.
Through first refrigerating evaporator 700 and second refrigerating evaporator 800 are arranged on the outer surface of case courage 20, thereby can increase the usage space of said refrigerating chamber widely.And; First refrigerating evaporator 700 and second refrigerating evaporator 800 can pass to the air in the said refrigerating chamber with cold through case courage 20; Because the air in the said refrigerating chamber and the temperature difference of case courage 20 less than the temperature difference of the air in the said refrigerating chamber and first refrigerating evaporator 700 and second refrigerating evaporator 800, therefore can reduce the frosting degree in the said refrigerating chamber widely.
Extremely shown in Figure 4 like Fig. 2; In examples more of the present invention; First refrigerating evaporator 700 can be located on each in end face 21, bottom surface 22, left surface 23 and the right flank of case courage 20, and second refrigerating evaporator 800 also can be located on each in end face 21, bottom surface 22, left surface 23 and the right flank of case courage 20.
Through in the end face 21, bottom surface 22, left surface 23 and the right flank that are located at case courage 20 in the end face 21, bottom surface 22, left surface 23 and the right flank that first refrigerating evaporator 700 are located at case courage 20 each and with second refrigerating evaporator 800 each; Thereby can increase by first refrigerating evaporator 700 and the heat exchange area of case courage 20 and the heat exchange area of second refrigerating evaporator 800 and case courage 20 widely, can improve the refrigerating speed of said refrigerating chamber so widely.Be that said refrigerator has the fast advantage of refrigerating speed.
In known refrigerator, a plurality of refrigerating evaporators are turned up the soil at interval and are located in the refrigerating chamber, cause the temperature of each position in the refrigerating chamber inconsistent like this, and promptly the temperature difference of each position is bigger in the refrigerating chamber, so the frost layer skewness in the refrigerating chamber.Through in the end face 21, bottom surface 22, left surface 23 and the right flank that are located at case courage 20 in the end face 21, bottom surface 22, left surface 23 and the right flank that first refrigerating evaporator 700 are located at case courage 20 each and with second refrigerating evaporator 800 each; Thereby first refrigerating evaporator 700 and second refrigerating evaporator 800 are freezed equably to each position in the said refrigerating chamber; The temperature of each position in the said like this refrigerating chamber is consistent, and the frost layer is evenly distributed in the said refrigerating chamber.When the refrigerator according to the embodiment of the invention carries out defrost; Because the frost layer is evenly distributed in the said refrigerating chamber; Therefore not only can make the thawing degree of the white layer in the said refrigerating chamber identical (the frost layer thawing basically simultaneously that is each position in the said refrigerating chamber finishes), and can shorten the thawing time of the frost layer in the said refrigerating chamber widely.Therefore, the refrigerator according to the embodiment of the invention has advantages such as defrost power is low, the defrost energy consumption is little, the defrost time is short.
In an example of the present invention; As shown in Figure 2; The upper end of the part on the left surface that is positioned at case courage 20 23 of first refrigerating evaporator 700 can adjacent tank courage 20 the upper edge of left surface 23; And the lower end of the part on the left surface that is positioned at case courage 20 23 of first refrigerating evaporator 700 can adjacent tank courage 20 the lower edge of left surface 23; The upper end of the part on the left surface that is positioned at case courage 20 23 of second refrigerating evaporator 800 can adjacent tank courage 20 the upper edge of left surface 23, and the lower edge of the left surface 23 that the lower end of the part on the left surface that is positioned at case courage 20 23 of second refrigerating evaporator 800 can adjacent tank courage 20.The upper end of the part on the right flank that is positioned at case courage 20 of first refrigerating evaporator 700 can adjacent tank courage 20 the upper edge of right flank; And the lower end of the part on the right flank that is positioned at case courage 20 of first refrigerating evaporator 700 can adjacent tank courage 20 the lower edge of right flank; The upper end of the part on the right flank that is positioned at case courage 20 of second refrigerating evaporator 800 can adjacent tank courage 20 the upper edge of right flank, and the lower edge of the right flank that the lower end of the part on the right flank that is positioned at case courage 20 of second refrigerating evaporator 800 can adjacent tank courage 20.Wherein above-below direction D is shown in the direction of arrow among Fig. 2, and left and right directions E is shown in the direction of arrow among Fig. 3 and Fig. 4.
First refrigerating evaporator 700 and the heat exchange area of case courage 20 and the heat exchange area of second refrigerating evaporator 800 and case courage 20 can be further increased like this, thereby the refrigerating speed of said refrigerating chamber can be further improved.Be that said refrigerator has the fast advantage of refrigerating speed.But also first refrigerating evaporator 700 and second refrigerating evaporator 800 are freezed more equably to each position in the said refrigerating chamber; Thereby make the temperature of each position in the said refrigerating chamber consistent more, the frost layer is evenly distributed in the said refrigerating chamber more.Therefore, the refrigerator according to the embodiment of the invention has advantages such as defrost power is lower, the defrost energy consumption is littler, the defrost time is shorter.
Extremely shown in Figure 4 like Fig. 2; In a concrete example of the present invention; The left side of the part on the end face that is positioned at case courage 20 21 of first refrigerating evaporator 700 can adjacent tank courage 20 the edge, left side of end face 21, and the edge, right side of the end face 21 that the right side of the part on the end face that is positioned at case courage 20 21 of first refrigerating evaporator 700 can adjacent tank courage 20.The left side of the part on the end face that is positioned at case courage 20 21 of second refrigerating evaporator 800 can adjacent tank courage 20 the edge, left side of end face 21, and the edge, right side of the end face 21 that the right side of the part on the end face that is positioned at case courage 20 21 of second refrigerating evaporator 800 can adjacent tank courage 20.The left side of the part on the bottom surface that is positioned at case courage 20 22 of first refrigerating evaporator 700 can adjacent tank courage 20 the edge, left side of bottom surface 22, and the edge, right side of the bottom surface 22 that the right side of the part on the bottom surface that is positioned at case courage 20 22 of first refrigerating evaporator 700 can adjacent tank courage 20.The left side of the part on the bottom surface that is positioned at case courage 20 22 of second refrigerating evaporator 800 can adjacent tank courage 20 the edge, left side of bottom surface 22, and the edge, right side of the bottom surface 22 that the right side of the part on the bottom surface that is positioned at case courage 20 22 of second refrigerating evaporator 800 can adjacent tank courage 20.
First refrigerating evaporator 700 and the heat exchange area of case courage 20 and the heat exchange area of second refrigerating evaporator 800 and case courage 20 can be further increased like this, thereby the refrigerating speed of said refrigerating chamber can be further improved.Be that said refrigerator has the fast advantage of refrigerating speed.But also first refrigerating evaporator 700 and second refrigerating evaporator 800 are freezed more equably to each position in the said refrigerating chamber; Thereby make the temperature of each position in the said refrigerating chamber consistent more, the frost layer is evenly distributed in the said refrigerating chamber more.Therefore, the refrigerator according to the embodiment of the invention has advantages such as defrost power is lower, the defrost energy consumption is littler, the defrost time is shorter.
In some embodiments of the invention, to shown in Figure 4, first refrigerating evaporator 700 can comprise plate 710 and be located at the pipe of first on the plate 710 720, the second refrigerating evaporators 800 and can comprise plate 710 and be located at the pipe of second on the plate 710 810 like Fig. 2.In other words, the plate of the plate of first refrigerating evaporator 700 and second refrigerating evaporator 800 can be same plate 710.So not only can reduce the manufacturing cost of first refrigerating evaporator 700 and second refrigerating evaporator 800, and can reduce widely first refrigerating evaporator 700 and second refrigerating evaporator 800 are installed to the difficulty on the case courage 20.
Advantageously; Part on the left surface that is positioned at case courage 20 of first refrigerating evaporator 700 can contact with the whole left face of case courage 20 and the right flank that is positioned at case courage 20 of first refrigerating evaporator 700 on part can contact with the whole right flank of case courage 20, the part on the left surface that is positioned at case courage 20 of second refrigerating evaporator 800 can contact with the whole left face of case courage 20 and the right flank that is positioned at case courage 20 of second refrigerating evaporator 800 on part can contact with the whole right flank of case courage 20.In other words, the part on the left surface that is positioned at case courage 20 of plate 710 can contact with the whole left face of case courage 20, and the part on the right flank that is positioned at case courage 20 of plate 710 can contact with the whole right flank of case courage 20.So not only can further improve the refrigerating speed of said refrigerating chamber, and can make the temperature of each position in the said refrigerating chamber consistent more, the frost layer is evenly distributed in the said refrigerating chamber more.
Part on the end face that is positioned at case courage 20 of first refrigerating evaporator 700 can contact with the whole top of case courage 20 and the bottom surface that is positioned at case courage 20 of first refrigerating evaporator 700 on part can contact with the whole bottom surface of case courage 20, the part on the end face that is positioned at case courage 20 of second refrigerating evaporator 800 can contact with the whole top of case courage 20 and the bottom surface that is positioned at case courage 20 of second refrigerating evaporator 800 on part can contact with the whole bottom surface of case courage 20.In other words, the part on the end face that is positioned at case courage 20 of plate 710 can contact with the whole top of case courage 20, and the part on the bottom surface that is positioned at case courage 20 of plate 710 can contact with the whole bottom surface of case courage 20.So not only can further improve the refrigerating speed of said refrigerating chamber, and can make the temperature of each position in the said refrigerating chamber consistent more, the frost layer is evenly distributed in the said refrigerating chamber more.
To shown in Figure 4, in examples more of the present invention, first pipe 720 can be parallel to second pipe 810 like Fig. 2.So not only can first pipe, 720 and second pipe 810 be installed on the plate 710 with being more prone to; And can make the refrigeration of 800 pairs of said refrigerating chambers of first refrigerating evaporator 700 and second refrigerating evaporator more consistent, and then the frost layer further is evenly distributed in the said refrigerating chamber.Therefore, the refrigerator according to the embodiment of the invention has advantages such as defrost power is lower, the defrost energy consumption is littler, the defrost time is shorter.
As shown in Figure 1, in an example of the present invention, refrigeration system 10 can also comprise anti-manage with fixed attention 900 with device for drying and filtering 1000.Anti-900 the inlet of managing with fixed attention can link to each other with the outlet of condenser 200, and the inlet of device for drying and filtering 1000 can link to each other with the outlet of preventing managing with fixed attention 900, and the outlet of device for drying and filtering 1000 can link to each other with the inlet of switch unit 300.Prevent managing 900 with fixed attention through being provided with, can prevent door body dewfall when air humidity is big of said refrigerator.Through device for drying and filtering 1000 is set; Not only can remove the residual moisture in the refrigeration system 10; Thereby anti-stagnant ice is stifled, and can reduce the corrosiveness of moisture to refrigeration system 10, and the impurity in can filtering refrigeration system 10; For example metal fillings, various oxide and dust etc., thus it is dirty stifled with freezing flow controller 500 to avoid refrigerating flow controller 400.
Refrigerator according to the embodiment of the invention has refrigerating efficiency height, low power consumption and other advantages.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means the concrete characteristic, structure, material or the characteristics that combine this embodiment or example to describe and is contained at least one embodiment of the present invention or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete characteristic, structure, material or the characteristics of description can combine with suitable manner in any one or more embodiment or example.
Although illustrated and described embodiments of the invention above; It is understandable that; The foregoing description is exemplary; Can not be interpreted as limitation of the present invention, those of ordinary skill in the art can change the foregoing description under the situation that does not break away from principle of the present invention and aim within the scope of the invention, modification, replacement and modification.
Claims (10)
1. a refrigerator is characterized in that, comprising:
Casing has refrigerating chamber and refrigerating chamber in the said casing;
The door body, said door body is installed on the said casing; With
Refrigeration system, said refrigeration system are installed on the said casing, and wherein said refrigeration system comprises:
Compressor;
Condenser, the import of said condenser links to each other with the outlet of said compressor;
Switch unit, the import of said switch unit links to each other with the outlet of said condenser;
Refrigeration flow controller and freezing flow controller, the import of said refrigeration flow controller links to each other with first outlet of said switch unit, and the import of said freezing flow controller links to each other with second outlet of said switch unit;
Refrigeration evaporator, the import of said refrigeration evaporator links to each other with the outlet of said refrigeration flow controller; And
First and second refrigerating evaporators; The import of said first refrigerating evaporator links to each other with the outlet of said refrigeration evaporator and the outlet of said first refrigerating evaporator links to each other with the import of said compressor; The import of said second refrigerating evaporator links to each other with the outlet of said freezing flow controller and the outlet of said second refrigerating evaporator links to each other with the import of said compressor, and each in wherein said first and second refrigerating evaporators all is located at outside the said refrigerating chamber.
2. refrigerator according to claim 1 is characterized in that, each in said first and second refrigerating evaporators is plate pipe evaporator.
3. refrigerator according to claim 2 is characterized in that, said casing comprises:
The case shell;
Case courage, said case courage are located in the said case shell, have said refrigerating chamber in the said case courage, and each in wherein said first and second refrigerating evaporators all is located on the outer surface of said case courage; With
Foaming layer, said foaming layer are located in the space between said case shell and the said case courage.
4. refrigerator according to claim 3 is characterized in that, each in said first and second refrigerating evaporators all is located on each in end face, bottom surface, left surface and the right flank of said case courage.
5. refrigerator according to claim 4; It is characterized in that; The lower edge of the contiguous said left surface in upper edge and lower end of the contiguous said left surface in the upper end that is positioned at the part on the said left surface of each in said first and second refrigerating evaporators, the lower edge of the contiguous said right flank in upper edge and lower end of the contiguous said right flank in the upper end that is positioned at the part on the said right flank of each in said first and second refrigerating evaporators.
6. refrigerator according to claim 5; It is characterized in that; The edge, right side of the contiguous said end face in edge, left side and right side of the contiguous said end face in the left side that is positioned at the part on the said end face of each in said first and second refrigerating evaporators, the edge, right side of the contiguous said bottom surface in edge, left side and right side of the contiguous said bottom surface, the left side that is positioned at the part on the said bottom surface of each in said first and second refrigerating evaporators.
7. refrigerator according to claim 6 is characterized in that, said first refrigerating evaporator comprises plate and be located at the pipe of first on the said plate that said second refrigerating evaporator comprises said plate and is located at the pipe of second on the said plate.
8. refrigerator according to claim 7 is characterized in that, said first pipe is parallel to said second pipe.
9. refrigerator according to claim 1 is characterized in that, said refrigeration system also comprises:
The anti-pipe that coagulates, said anti-import of coagulating pipe links to each other with the outlet of said condenser; With
Device for drying and filtering, the import of said device for drying and filtering links to each other with said anti-outlet of coagulating pipe, and the outlet of said device for drying and filtering links to each other with the import of said switch unit.
10. one kind according to each described control method of refrigerator among the claim 1-9, may further comprise the steps:
A) temperature of detection refrigerating chamber; When said refrigerating chamber need freeze, first outlet of control compressor start and control switch unit open and second port closing so that cold-producing medium gets into refrigeration evaporator so that said refrigerating chamber is freezed through the refrigeration flow controller;
B) cold-producing medium that leaves said refrigeration evaporator gets into first refrigerating evaporator so that refrigerating chamber is freezed; With
C) when said refrigerating chamber need not freeze; Detect the temperature of said refrigerating chamber; When if said refrigerating chamber need not freeze; Said compressor shutdown, if when said refrigerating chamber need freeze, first port closing of start of control compressor and control switch unit and second outlet is opened so that cold-producing medium gets into second refrigerating evaporator so that said refrigerating chamber is freezed through freezing flow controller.
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| CN2012101774941A CN102679665A (en) | 2012-05-31 | 2012-05-31 | Refrigerator and control method thereof |
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| CN2012101774941A CN102679665A (en) | 2012-05-31 | 2012-05-31 | Refrigerator and control method thereof |
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| CN102878749A (en) * | 2012-10-18 | 2013-01-16 | 合肥美的荣事达电冰箱有限公司 | Refrigerator and manufacturing method thereof |
| CN102967089A (en) * | 2012-12-17 | 2013-03-13 | 合肥美的荣事达电冰箱有限公司 | Plate-tube evaporator applied to refrigerator, manufacturing method thereof and refrigerator |
| CN102997543A (en) * | 2012-12-28 | 2013-03-27 | 小天鹅（荆州）电器有限公司 | Refrigeration plant |
| CN102997562A (en) * | 2012-12-27 | 2013-03-27 | 合肥美的荣事达电冰箱有限公司 | Refrigerator |
| CN103115468A (en) * | 2013-03-13 | 2013-05-22 | 合肥美的荣事达电冰箱有限公司 | Multiple-refrigerating system used for refrigerator |
| CN103528281A (en) * | 2013-10-31 | 2014-01-22 | 合肥美的电冰箱有限公司 | Evaporator and refrigerator having same |
| CN110411112A (en) * | 2019-08-23 | 2019-11-05 | 海信（山东）冰箱有限公司 | A kind of refrigerator |
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| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 230601 Hefei Changjiang Road, Anhui, No. 669 Applicant after: Hefei Midea Refrigerator Co., Ltd. Address before: 230601 Hefei Changjiang Road, Anhui, No. 669 Applicant before: Hefei Media Rongshida Refrigerator Co., Ltd. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: HEFEI MEDIA RONGSHIDA REFRIGERATOR CO., LTD. TO: HEFEI MIDEA REFRIGERATORCO., LTD. |
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Application publication date: 20120919 |