CN107504742A

CN107504742A - Single system wind cooling refrigerator

Info

Publication number: CN107504742A
Application number: CN201710613318.0A
Authority: CN
Inventors: 姜峰; 宫久玲; 黄海华; 李天平; 周文
Original assignee: Qingdao Haier Co Ltd
Current assignee: Qingdao Haier Co Ltd
Priority date: 2017-07-25
Filing date: 2017-07-25
Publication date: 2017-12-22

Abstract

Present invention is disclosed a kind of single system wind cooling refrigerator, at least a refrigerator room；Evaporator, supply air duct, return airway, at least one set of heat exchanging fin group；Heat exchanging fin group includes：The heat exchanging fin and the heat pipe of connection two panels heat exchanging fin that two panels is independently arranged, the heat conduction that heat pipe is used to realize between two panels heat exchanging fin；Wherein a piece of heat exchanging fin is arranged in return airway；Wherein another heat exchanging fin is arranged in refrigerator room or set close to evaporator；In refrigerator room process of refrigerastion, the heat that the heat exchanging fin in return airway distributes is consistently higher than the heat that another heat exchanging fin distributes；The heat of the higher heat exchanging fin of heat passes through hot pipe conducting to the relatively low heat exchanging fin of heat；Meanwhile the cold air entered via refrigerator room in return airway, cooled down being exported after the heat exchanging fin in return airway to evaporator.Cost of the present invention is relatively low and ensures that refrigerator room has more preferable refrigeration.

Description

Single system wind cooling refrigerator

Technical field

The present invention relates to field of household appliances, more particularly to a kind of single system wind cooling refrigerator.

Background technology

In the prior art, refrigerator refers to simple gate, Double door double temperature, three three warm, cabinet type refrigerators such as multi-door, it is general have it is only Vertical refrigerating chamber and refrigerating chamber, so as to the separated storage according to different storage temperature.The refrigeration principle of this household refrigerator-freezer It is divided into direct-cooling type and air-cooled.The refrigeration system of direct-cooling type often uses the flow direction of solenoid valve control refrigerant, respectively to each refrigeration （Freeze）The evaporator supply refrigerant of room, makes each space be cooled to required temperature.Air-cooled refrigerating needs to set accordingly Air channel be each space air-supply.

Air cooling type refrigerator is relative to direct cooling refrigerator, and refrigerator indoor temperature is average, without very big temperature change, system Cold effect is also naturally outstanding.Single system wind cooling refrigerator, refrigerator room, freezing compartment share an evaporator, refrigerator room In wind be blown into refrigerator room from the evaporator of freezing compartment by blower fan, because refrigerator room, freezing compartment's temperature difference are larger, generally In the case of, blow to refrigerator room, the distribution ratio of air quantity of freezing compartment is not easily controlled, and due to circumstance temperature, the change of gear, Want to reach preferable situation more difficult.

Single system wind cooling refrigerator wants to reach the indoor temperature difference smaller, it is necessary to the air quantity of some strength, and refrigerator room, When refrigeration is opened simultaneously by freezing compartment, because refrigerator room temperature is much higher compared with freezing compartment, when the air for entering refrigerator room When temperature is relatively low, refrigerator room temperature is caused to decline very fast, and freezing compartment's temperature does not reduce not only, rises on the contrary, and then Cause freezing compartment's temperature fluctuation larger.

For single system wind cooling refrigerator, prior art one is in order to reduce the problem of its refrigerator room temperature fluctuation is big, at present The scheme of use is mainly miniature air ducts mode, i.e., an air channel is divided into multilayer, and every layer sets a temperature sensor, for The temperature change of each layer is monitored, and then controls the size of source cold, but under this kind of mode, refrigeration air channel can be dramatically increased Cost, while when each layer point air channel is freezed simultaneously, can not solve the problems, such as that refrigerator room temperature fluctuation is big.

Prior art two uses frequency conversion fan, by using frequency-changeable compressor and its frequency-changing control system, can reduce cold Hide the temperature fluctuation of room, but temperature fluctuation is not also and frequency-changeable compressor and frequency-changing control system in preferable scope Cost is very high.

The content of the invention

It is an object of the invention to provide a kind of single system wind cooling refrigerator.

For achieving the above object, single system wind cooling refrigerator provided by the invention includes：Casing, it, which is limited, forms at least One refrigerator room；

Evaporator, for being cooled down to the air for flowing through it；

Supply air duct, it is configured to supply the air cooled down via the evaporator to the refrigerator room；

Return airway, it is configured to the air from refrigerator room being delivered to cooling at the evaporator；

At least one set of heat exchanging fin group, the heat exchanging fin group include：The heat exchanging fin and connection two panels that two panels is independently arranged The heat pipe of heat exchanging fin, the heat conduction that the heat pipe is used to realize between two panels heat exchanging fin；

Wherein a piece of heat exchanging fin is arranged in the return airway；

Wherein another heat exchanging fin is arranged in the refrigerator room or set close to the evaporator；

In the refrigerator room process of refrigerastion, heat that the heat exchanging fin in the return airway distributes is consistently higher than another The heat that heat exchanging fin distributes；The heat of the higher heat exchanging fin of heat passes through the hot pipe conducting to the relatively low heat exchange of heat Piece；Meanwhile the cold air entered via the refrigerator room in the return airway, by the heat exchange in return airway Output to the evaporator is cooled down after piece.

As the further improvement of an embodiment of the present invention, wherein another heat exchanging fin is arranged at the refrigerator room It is interior；

The supply air duct includes：The air-supply air inlet set towards the vaporizer side, and towards the refrigerator room side To the air-supply air outlet of setting；

The heat exchanging fin being arranged in refrigerator room is set close to the air-supply air outlet.

As the further improvement of an embodiment of the present invention, wherein another heat exchanging fin is set close to the evaporator Put, and be arranged above the evaporator.

As the further improvement of an embodiment of the present invention, wherein another heat exchanging fin is set close to the evaporator Put；

Set close to the heat exchanging fin that evaporator is set close to the air-supply air inlet.

As the further improvement of an embodiment of the present invention, the single system wind cooling refrigerator also includes：At least one set is mended Repay heat exchanging fin group；

The compensation heat exchange group includes：The compensation heat exchanging fin and connect two panels compensation heat exchanging fin that two panels is independently arranged Heat pipe is compensated, the compensation heat pipe is used to realize the heat conduction between two panels compensation heat exchanging fin；

Wherein, two panels compensation heat exchanging fin is respectively arranged in supply air duct and return airway；

In the refrigerator room process of refrigerastion, the heat of the compensation heat exchanging fin in return airway passes through the hot pipe conducting To the compensation heat exchanging fin for being in supply air duct；Meanwhile enter the supply air duct, simultaneously via the air of evaporator cooling Enter the refrigerator room after compensation heat exchanging fin of the inside, enter the return air wind via the air of refrigerator room Road is simultaneously delivered to cooling at the evaporator after heat exchanging fin of the inside and compensation heat exchanging fin.

As the further improvement of an embodiment of the present invention, the supply air duct includes：Set towards the vaporizer side The air-supply air inlet put, and the air-supply air outlet set towards the refrigerator room direction；

The air-supply air outlet is set close to the top of refrigerator room.

As the further improvement of an embodiment of the present invention, the return airway includes：Set towards the vaporizer side The return air air outlet put, and the return air air inlet set towards the refrigerator room direction；

The return air air inlet is set close to the bottom of refrigerator room.

As the further improvement of an embodiment of the present invention, the hollow setting of heat pipe, filling refrigerant in it.

As the further improvement of an embodiment of the present invention, the material of heat exchanging fin described in two panels is copper or aluminium.

As the further improvement of an embodiment of the present invention, the single system wind cooling refrigerator also includes：Blower fan, the wind Machine is arranged between the evaporator and the supply air duct, and the air for will be cooled down via the evaporator introduces air-supply wind In road.

Compared with prior art, the beneficial effects of the present invention are：The single system wind cooling refrigerator of the present invention, passed in evaporator In the case that the cold size led is constant, by increasing heat exchanging fin group, the cold air in return airway is set to enter in the process of circulation Row heat exchange, to reduce the temperature that the cold air that evaporator is cooled down is delivered to by return airway, and then ensure refrigerator room While cold supplies in process of refrigerastion, keep freezing compartment that there is less temperature fluctuation difference, reach more preferable refrigeration Effect, meet user's different demands.

Brief description of the drawings

Fig. 1 is the structural representation of the single system wind cooling refrigerator of first embodiment of the invention.

Fig. 2 is the structural representation of the single system wind cooling refrigerator of second embodiment of the invention.

Fig. 3 is the structural representation of the single system wind cooling refrigerator of third embodiment of the invention.

Fig. 4 is the structural representation of the single system wind cooling refrigerator of four embodiment of the invention.

Fig. 5 is the structural representation of the single system wind cooling refrigerator of fifth embodiment of the invention.

Fig. 6 is the structural representation of the single system wind cooling refrigerator of sixth embodiment of the invention.

Fig. 7 is the structural representation of the single system wind cooling refrigerator of seventh embodiment of the invention.

Fig. 8 is the structural representation of the single system wind cooling refrigerator of eighth embodiment of the invention.

Fig. 9 is the structural representation of the single system wind cooling refrigerator of ninth embodiment of the invention.

Figure 10 is the structural representation of the single system wind cooling refrigerator of tenth embodiment of the invention.

Figure 11 is the structural representation of the single system wind cooling refrigerator of eleventh embodiment of the invention.

Figure 12 is the structural representation of the single system wind cooling refrigerator of twelveth embodiment of the invention.

Figure 13 is the structural representation of the single system wind cooling refrigerator of thirteenth embodiment of the invention.

Figure 14 is the structural representation of the single system wind cooling refrigerator of fourteenth embodiment of the invention.

Figure 15 is the structural representation of the single system wind cooling refrigerator of fifteenth embodiment of the invention.

Figure 16 is the structural representation of the single system wind cooling refrigerator of sixteenth embodiment of the invention.

Figure 17 is the structural representation of the single system wind cooling refrigerator of seventeenth embodiment of the invention.

Figure 18 is the structural representation of the single system wind cooling refrigerator of eighteenth embodiment of the invention.

Embodiment

Below with reference to 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 one of ordinary skill in the art is made according to these embodiments, method or functionally Conversion is all contained in protection scope of the present invention.

It should be noted that in following each embodiments, described "front", "rear", " on " " under " " left side " " right side " are simultaneously Not representative structure or absolute differentiation relation functionally, and just for the sake of the clear convenience of description；Also, in different realities Apply in mode, it is therefore possible to use identical label or mark, these do not represent the contact in any structure or function；In addition, such as Occur multiple embodiments in lower embodiment, in multiple embodiments, structure identical parts are using unified word and identical Label is indicated, for different parts, it is also possible to is stated with identical word, but can use different marks Number it is distinguish between, so that the solution of the present invention sake of clarity.

With reference to shown in Fig. 1 to Figure 18, single system wind cooling refrigerator disclosed by the invention, including casing, casing limit multiple Refrigeration compartment, is refrigerator room 10, soft freezing compartment 20 and freezing compartment 30 respectively, generally, refrigerator room 10, soft Freezing compartment 20, freezing compartment 30 are set from top to bottom.In order to facilitate description, in the following examples of the present invention, by refrigerator room 10, The direction that soft freezing compartment 20, freezing compartment 30 arrange from top to bottom is defined as the short transverse of single system wind cooling refrigerator, user Single system wind cooling refrigerator is opened in face of single system wind cooling refrigerator door and is defined as monosystem back to the direction of single system wind cooling refrigerator door The thickness direction of system wind cooling refrigerator, the definition perpendicular to short transverse and thickness direction are the width side of single system wind cooling refrigerator To.Single system wind cooling refrigerator also has evaporator 40 and blower fan 50, and evaporator 40 is arranged on the rear portion of casing freezing compartment 30, is used for The air for flowing through it is cooled down；Under normal circumstances, an evaporator chamber can be also set in freezing compartment 30（It is not shown）, with For holding the evaporator 40, blower fan 50；The evaporator chamber is set close to the rear portion of the freezing compartment.Blower fan 50 is set Between the evaporator 40 and air channel, the air for will be cooled down via the evaporator 40 is introduced in air channel.Evaporator 40 Can be known any evaporator, such as evaporator fin, wire-tube evaporator, inflation type evaporator and plate pipe evaporator In one kind.In present embodiment, single system wind cooling refrigerator passes through compressor（It is not shown）, condenser（It is not shown）And evaporator Compression cooling cycle system is formed, the cold wind of flash-pot 40 is introduced refrigerator room 10, soft freezing 20 by blower fan 50 by air channel With freezing compartment 30.During work, compressor promotes refrigerant circulation, and into the refrigerant heat absorption evaporation of evaporator 40, blower fan 50 will be cold Gas cycles through corresponding refrigeration compartment by air channel.

With reference to shown in Fig. 1 to Figure 13, the single system wind cooling refrigerator shown in the present invention, the air channel includes：Supply air duct 60, It is configured to supply the air cooled down via the evaporator 40 to the refrigerator room；Return airway 70, be configured to by from The air of refrigerator room is delivered at the evaporator and cooled down.

Preferably, the supply air duct 60 includes：The air-supply air inlet 61, Yi Jichao set towards the side of evaporator 40 The air-supply air outlet 62 set to the direction of refrigerator room 10；The return airway 70 includes：Towards the side of evaporator 40 The return air air outlet 71 of setting, and the return air air inlet 72 set towards the refrigerator room direction；Accordingly, the air-supply Air inlet 61, the set location of the relative evaporation device 40 of return air air outlet 71 and the air-supply air outlet 62, return air air inlet 72 Set location with respect to refrigerator room can be adjusted specifically as needed；In the specific embodiment of the invention, the air-supply air-out Mouth 62 is set close to the top of refrigerator room 10.The return air air inlet 72 is set close to the bottom of refrigerator room 10, described to send Wind air inlet 61 is set close to the top of the evaporator 40, and the return air air outlet 71 is set close to the bottom of the evaporator 40 Put.

Certainly, air channel as above is set, the air channel for refrigerator room only described, in practical application, the air channel Also include：Air channel in air channel, soft freezing chamber for freezing compartment etc., in describing below, it can also be related to specifically retouching accordingly State.

Further, the refrigerator also includes：The channel switch 80 that corresponding supply air duct 60 and return airway 70 are set, institute State that channel switch 80 selectively will open or close the supply air duct 60 and/or at least one of the return airway 70 opens Mouthful, the opening includes：Air-supply air inlet 61, air-supply air outlet 62, return air air inlet 71 and return air air outlet 72.It is described logical Road switch includes：Air-supply switch and/or return air switch（Do not illustrate individually）；The air-supply switch is used to selectively block evaporator Air after 40 coolings enters refrigerator room 10；The return air is switched for selectively blocking the air in refrigerator room 10 to convey To evaporator 40.

Formed in the specific embodiment of the invention, between the housing (not shown) and inner bag (not shown) of the casing accommodating Space；The supply air duct 60, return airway 70 may be contained within the accommodation space that the housing is formed with the inner bag rear wall； And the supply air duct, return airway are set respectively close at the two side of the inner bag, to realize more preferable refrigeration, with And keep the cold air temperature of circulation in supply air duct 60 and return airway 70.

As shown in figure 1, the single system wind cooling refrigerator that first embodiment of the invention provides, it also includes：At least one set of heat Changing plate group 81, the heat exchange group 81 include：The heat exchanging fin that two panels is independently arranged（81a、81b）And connection two panels heat is handed over Change piece（81a、81b）Heat pipe 81c, the heat pipe 81c is used to realize two panels heat exchanging fin（81a、81b）Between heat pass Lead；Two panels heat exchanging fin（81a、81b）It is respectively arranged in supply air duct 60 and return airway 70；The refrigerator room 10 is freezed During, the heat of the heat exchanging fin 81b in return airway 70 is conducted in supply air duct 60 by the heat pipe 81c Heat exchanging fin 81a；Meanwhile enter the supply air duct 60 and by being in it via the air of the evaporator 40 cooling Enter the refrigerator room 10 after interior heat exchanging fin 81a, enter the return airway 70, simultaneously via the air of refrigerator room 10 It is delivered at the evaporator 40 and cools down after heat exchanging fin 81b of the inside.

Preferably, the heat exchanging fin 81a in the supply air duct 60 is set close to the air-supply air inlet 61.It is in Heat exchanging fin 81b in the return airway 70 is set close to the return air air inlet 72.In this way, realize that refrigerator room is more preferable Refrigeration.

In the specific embodiment of the invention, the hollow settings of heat pipe 81c, filling refrigerant in it.Two panels heat exchanging fin （81a、81b）Material be copper or aluminium, ensure the two panels fin with different temperatures with more preferable（81a、81b）Changed Heat.

It is understood that the heat exchanging fin（81a、81b）Thickness, width shape can adjust specifically as needed It is whole, when its width is bigger, when thickness is thicker, is changed by its cold air temperature bigger, be not described in detail herein.

For the ease of understanding the present invention, the single system wind cooling refrigerator for describing a first embodiment of the invention below specifically should Use scene.

Assuming that under refrigerator normal operating conditions, the air themperature after evaporator 40 is -20 DEG C, the temperature in refrigerator room Spend for 8 DEG C.

In the refrigerator room process of refrigerastion of single system refrigerator, by -20 DEG C of cold air of evaporator 40, by blower fan 50 from Air inlet 61 of blowing is introduced in supply air duct 60, and in the case where not installing heat exchanging fin group 81, by blowing, air outlet 62 enters Enter the temperature of cold air in refrigerator room 10 by temperature when keeping entering supply air duct 60, i.e., -20 DEG C, by return air air outlet 71 are delivered to the cold wind temperature of the evaporator 40 by the temperature of Keep cool compartment 10, i.e., 8 DEG C.

After present embodiment increase heat exchanging fin group 81, heat exchanging fin 81b temperature is higher than heat exchanging fin 81a temperature, In this way, heat pipe 81c plays a part of heat conduction, heat is conducted from the higher heat exchanging fin 81b of temperature relatively low to heat At heat exchanging fin 81a, i.e., heat is sent to supply air duct 60 from return airway 70.Accordingly, enter from air-supply air inlet 61 and send After heat exchanger fin 81a, its temperature will raise -20 DEG C of cold air behind wind air channel 60, such as be increased to -17 DEG C, from return air Into 8 DEG C of cold air after return airway 70 after heat exchanger fin 81b, its temperature will reduce air inlet 72, such as be reduced to 5 ℃.In this way, in the case where not changing the working order of evaporator 40 and blower fan 50, make to be delivered to refrigerator by air outlet 62 of blowing The cold air temperature rise of room 10, the cold air temperature for making to be delivered to evaporator 40 by return air air outlet 71 reduce, and reduce refrigerator In the process of refrigerastion of room, the fluctuation of each compartment temperature it is larger the problem of occur.

Certainly, by changing heat exchange plate shape, thickness, width, quantity, the amplitude of accommodation of cold air temperature therethrough Specific setting as needed, is not described in detail herein.

The single system wind cooling refrigerator of first embodiment of the invention, in the situation that the cold size of evaporator conduction is constant Under, by increasing heat exchanging fin group, the cold air in the cold air and return airway in supply air duct is carried out heat exchange, sent with reducing Wind air channel and the temperature difference of return airway, and then ensureing the cold supply of refrigerator room and freezing compartment in process of refrigerastion While, ensure the more preferable refrigeration of refrigerator room, beneficial to food fresh-keeping in refrigerator room, prevent frostbite, meet user not Same demand.

Single system wind cooling refrigerator as shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, it also includes：At least one set of heat exchanging fin group, The heat exchange group includes：The heat exchanging fin and the heat pipe of connection two panels heat exchanging fin that two panels is independently arranged, the heat pipe are used Heat conduction between two panels heat exchanging fin is realized；Wherein a piece of heat exchanging fin is arranged in the supply air duct；It is wherein another A piece of heat exchanging fin is arranged in the refrigerator room or set close to the evaporator；In the refrigerator room process of refrigerastion, The heat that heat exchanging fin in the supply air duct distributes is consistently lower than the heat that another heat exchanging fin distributes；Heat is higher The heat of heat exchanging fin pass through the hot pipe conducting to the relatively low heat exchanging fin of heat；Meanwhile cooled down via the evaporator Air enter the supply air duct, and enter the refrigerator room after the heat exchanging fin in supply air duct.

Specifically, as shown in Fig. 2 the single system wind cooling refrigerator that second embodiment of the invention provides, it also includes：At least One group of heat exchanging fin group 82, the heat exchange group 82 include：The heat exchanging fin that two panels is independently arranged（82a、82b）And connection two Piece heat exchanging fin（82a、82b）Heat pipe 82c, the heat pipe 82c is used to realize two panels heat exchanging fin（82a、82b）Between heat Amount conduction；Wherein a piece of heat exchanging fin 82a is arranged in the supply air duct 60；Wherein another heat exchanging fin 82b is arranged at In the refrigerator room 10；In the process of refrigerastion of refrigerator room 10, the heat exchanging fin 82a in the supply air duct 60 dissipates The heat of hair is consistently lower than the heat that another heat exchanging fin 82b is distributed；The higher heat exchanging fin 82a of heat heat passes through described Heat pipe 82c is conducted to the relatively low heat exchanging fin 82b of heat；Meanwhile sent via described in the air entrance of the evaporator 40 cooling Wind air channel 60, and enter the refrigerator room 10 after the heat exchanging fin 82a in supply air duct 60.

Preferably, the heat exchanging fin 82a in the supply air duct 60 is set close to the air-supply air inlet 61.Set Set in the heat exchanging fin 82b in refrigerator room 10 away from the air-supply air outlet 62.In the embodiment of the invention, if The heat exchanging fin 82b being placed in refrigerator room 10 is set close to the bottom of refrigerator room 10.In this way, realize that refrigerator room is more preferable Refrigeration.

It is understood that in practical application, in refrigerator room 10, closer to the air-supply air outlet 62, its environment temperature Degree is lower.

In the specific embodiment of the invention, the hollow settings of heat pipe 82c, filling refrigerant in it.Two panels heat exchanging fin （82a、82b）Material be copper or aluminium, ensure the two panels fin with different temperatures with more preferable（82a、82b）Changed Heat.

It is understood that the heat exchanging fin（82a、82b）Thickness, width shape can adjust specifically as needed It is whole, when its width is bigger, when thickness is thicker, is changed by its cold air temperature bigger, be not described in detail herein.

For the ease of understanding the present invention, the single system wind cooling refrigerator for describing a second embodiment of the invention below specifically should Use scene.

In the refrigerator room process of refrigerastion of single system refrigerator, by -20 DEG C of cold air of evaporator 40, by blower fan 50 from Air inlet 61 of blowing is introduced in supply air duct 60, and in the case where not installing heat exchanging fin group 82, by blowing, air outlet 62 enters Enter the temperature of cold air in refrigerator room 10 by temperature when keeping entering supply air duct 60, i.e., -20 DEG C.

After present embodiment increase heat exchanging fin group 82, because heat exchanging fin 82b is arranged in refrigerator room 10, it is not In the case of carrying out heat exchange, be maintained at 8 DEG C of temperature, higher than heat exchanging fin 82a temperature, in this way, heat pipe 82c plays heat Measure the effect of conduction, heat is conducted to heat at relatively low heat exchanging fin 82a from the higher heat exchanging fin 82b of temperature, i.e., it is hot Amount is sent to supply air duct 60 from refrigerator room 10.Accordingly, from -20 DEG C after the air-supply entrance supply air duct 60 of air inlet 61 After heat exchanger fin 82a, its temperature will raise cold air, such as be increased to -17 DEG C, meanwhile, heat exchanging fin 82b temperature drop It is low, but because the amplitude of its reduction temperature is smaller, therefore do not interfere with the refrigeration of refrigerator room 10.So with further Avoid in refrigerator room process of refrigerastion, the fluctuation of each compartment temperature it is larger the problem of occur.

Specifically, as shown in figure 3, the single system wind cooling refrigerator that third embodiment of the invention provides, it also includes：At least One group of heat exchanging fin group 83, the heat exchange group 83 include：The heat exchanging fin that two panels is independently arranged（83a、83b）And connection two Piece heat exchanging fin（83a、83b）Heat pipe 83c, the heat pipe 83c is used to realize two panels heat exchanging fin（83a、83b）Between heat Amount conduction；Wherein a piece of heat exchanging fin 83a is arranged in the supply air duct 60；Wherein another heat exchanging fin 83b is close to institute State evaporator 40 to set, and be arranged at the lower section of evaporator 40；In the process of refrigerastion of refrigerator room 10, in the air-supply The heat that heat exchanging fin 83a in air channel 60 is distributed is consistently lower than the heat that another heat exchanging fin 83b is distributed；The higher heat of heat Changing plate 83a heat is conducted to the relatively low heat exchanging fin 83b of heat by the heat pipe 83c；Meanwhile via the evaporator The air of 40 coolings enters the supply air duct 60, and into described after the heat exchanging fin 83a in supply air duct 60 Refrigerator room 10.

Preferably, the heat exchanging fin 83a in the supply air duct 60 is set close to the air-supply air inlet 61.It is close The heat exchanging fin 83b that evaporator is set is set close to the return air air outlet 71.

In this way, realize the more preferable refrigeration of refrigerator room.

It is understood that in practical application, influenceed by return airway 70, evaporator is delivered to from its return air air outlet 40 cold air temperature is higher, in this way, causing the cold air temperature of the top of evaporator 40 far below cold air temperature below.

In the specific embodiment of the invention, the hollow settings of heat pipe 83c, filling refrigerant in it.Two panels heat exchanging fin （83a、83b）Material be copper or aluminium, ensure the two panels fin with different temperatures with more preferable（83a、83b）Changed Heat.

It is understood that the heat exchanging fin（83a、83b）Thickness, width shape can adjust specifically as needed It is whole, when its width is bigger, when thickness is thicker, is changed by its cold air temperature bigger, be not described in detail herein.

For the ease of understanding the present invention, the single system wind cooling refrigerator for describing a third embodiment of the invention below specifically should Use scene.

In the refrigerator room process of refrigerastion of single system refrigerator, by -20 DEG C of cold air of evaporator 40, by blower fan 50 from Air inlet 61 of blowing is introduced in supply air duct 60, and in the case where not installing heat exchanging fin group 83, by blowing, air outlet 62 enters Enter the temperature of cold air in refrigerator room 10 by temperature when keeping entering supply air duct 60, i.e., -20 DEG C.

After present embodiment increase heat exchanging fin group 83, because heat exchanging fin 83b is arranged at the lower section of evaporator 40 and leans on Nearly return air air outlet 71 is set, and causes heat exchanging fin 83b in the case where not carrying out heat exchange, be maintained at -20 DEG C of temperature To between 8 DEG C, higher than heat exchanging fin 83a temperature, in this way, heat pipe 83c plays a part of heat conduction, by heat from temperature compared with High heat exchanging fin 83b is conducted to the relatively low heat exchanging fin 83a of heat, i.e., the heat below the evaporator with higher temperature It is sent in supply air duct 60.Accordingly, -20 DEG C of cold air after from air-supply air inlet 61 into supply air duct 60 is by heat exchange After piece 83a, its temperature will raise, such as be increased to -17 DEG C, meanwhile, heat exchanging fin 83b temperature reduces, and can increase steaming Send out the refrigeration of device 40.So further to avoid in the process of refrigerastion of refrigerator room 10, the fluctuation of each compartment temperature compared with The problem of big, occurs.

The single system wind cooling refrigerator of second, third embodiment of the invention is constant in the cold size of evaporator conduction In the case of, by increasing heat exchanging fin group, the cold air in supply air duct is carried out heat exchange in the process of circulation, to be raised through Supply air duct is delivered to the temperature of cold air in refrigerator room, and then it is same to ensure that refrigerator room cold in process of refrigerastion supplies When, Keep cool, and compartment has less temperature fluctuation difference, reaches more preferable refrigeration, is protected beneficial to food in refrigerator room It is fresh, frostbite is prevented, meets user's different demands.

The refrigerator of an embodiment of the present invention, in single system wind shown in above-mentioned second embodiment and the 3rd embodiment Increase by one group of compensation heat exchanging fin group on the basis of cold refrigerator, the compensation heat exchange group includes：The compensation that two panels is independently arranged The compensation heat pipe of heat exchanging fin and connection two panels compensation heat exchanging fin, the compensation heat pipe are used to realize that two panels compensates heat exchange Heat conduction between piece；Wherein, two panels compensation heat exchanging fin is respectively arranged in supply air duct and return airway；The refrigeration In compartment process of refrigerastion, the heat of the compensation heat exchanging fin in return airway is extremely in air-supply wind by the hot pipe conducting The compensation heat exchanging fin in road；Meanwhile enter the supply air duct and by of the inside via the air of evaporator cooling Heat exchanging fin and compensation heat exchanging fin after enter the refrigerator room, enter the return air wind via the air of refrigerator room Road is simultaneously delivered to cooling at the evaporator after compensation heat exchanging fin of the inside.

Specifically, as shown in figure 4, the single system wind cooling refrigerator that four embodiment of the invention provides, it also includes：At least Heat exchanging fin group 82 and at least one set of compensation heat exchange in one group of single system wind cooling refrigerator as described in second embodiment Piece group, the structure and arrangement mode and the air-cooled ice of single system of first embodiment of the invention offer of the compensation heat exchanging fin group Heat exchanging fin group 81 in case is identical, the heat exchanging fin of two groups of different structures in the single system wind cooling refrigerator of the 4th embodiment Operation principle it is identical with the operation principle of heat exchanging fin group in above-mentioned first embodiment and second embodiment, therefore not It is described in detail again, it is necessary to illustrate, in the embodiment, the arrangement of heat exchanging fin 81a, 82a in supply air duct 60 Mode can specifically be set as needed, and it can be with upper and lower arrangement, left and right arrangement or staggered, its arrangement mode, can't The implementation of the technical program is influenceed, is not described in detail herein.

Specifically, as shown in figure 5, the single system wind cooling refrigerator that fifth embodiment of the invention provides, it also includes：At least Heat exchanging fin group 83 and at least one set of compensation heat exchange in one group of single system wind cooling refrigerator as described in the 3rd embodiment Piece group, the structure and arrangement mode and the air-cooled ice of single system of first embodiment of the invention offer of the compensation heat exchanging fin group Heat exchanging fin group 81 in case is identical, the heat exchanging fin of two groups of different structures in the single system wind cooling refrigerator of the 5th embodiment Operation principle it is identical with the operation principle of heat exchanging fin group in above-mentioned first embodiment and the 3rd embodiment, therefore not It is described in detail again, it is necessary to illustrate, in the embodiment, the arrangement of heat exchanging fin 81a, 83a in supply air duct 60 Mode can specifically be set as needed, and it can be with upper and lower arrangement, left and right arrangement or staggered, its arrangement mode, can't The implementation of the technical program is influenceed, is not described in detail herein.

The single system wind cooling refrigerator of four, the 5th embodiments of the invention is constant in the cold size of evaporator conduction In the case of, by increasing heat exchanging fin group, make the cold air in supply air duct, the cold air in return airway respectively with refrigerator room or Evaporator carries out heat exchange, to reduce the temperature difference of supply air duct and return airway, and then is ensureing refrigerator room and freezing While cold supply of the compartment in process of refrigerastion, ensure the more preferable refrigeration of refrigerator room, beneficial to being eaten in refrigerator room Thing is fresh-keeping, prevents frostbite, meets user's different demands.

As shown in Fig. 6, Fig. 7, Fig. 8, Fig. 9, shown single system wind cooling refrigerator, it also includes：At least one set of heat exchange Piece group, the heat exchanging fin group include：The heat exchanging fin and the heat pipe of connection two panels heat exchanging fin that two panels is independently arranged, it is described The heat conduction that heat pipe is used to realize between two panels heat exchanging fin；Wherein a piece of heat exchanging fin is arranged in the return airway； Wherein another heat exchanging fin is arranged in the refrigerator room or set close to the evaporator；The refrigerator room was freezed Cheng Zhong, the heat that the heat exchanging fin in the return airway distributes are consistently higher than the heat that another heat exchanging fin distributes；Heat The heat of the higher heat exchanging fin of amount passes through the hot pipe conducting to the relatively low heat exchanging fin of heat；Meanwhile via the refrigeration The cold air that compartment enters in the return airway, exported after the heat exchanging fin in return airway to the evaporator Cooled down.

Specifically, as shown in fig. 6, the single system wind cooling refrigerator that sixth embodiment of the invention provides, it also includes：At least One group of heat exchanging fin group 84, the heat exchanging fin group 84 include：The heat exchanging fin that two panels is independently arranged（84a、84b）And connection Two panels heat exchanging fin（84a、84b）Heat pipe 84c, the heat pipe 84c is used to realize two panels heat exchanging fin（84a、84b）Between Heat conducts；Wherein a piece of heat exchanging fin 84a is arranged in the return airway 70；Wherein another heat exchanging fin 84b is set In in the refrigerator room 10；In the process of refrigerastion of refrigerator room 10, the heat exchanging fin 84b in the return airway 70 The heat distributed is consistently higher than the heat that another heat exchanging fin 84a is distributed；The higher heat exchanging fin 84a of heat heat passes through institute Heat pipe 84c is stated to conduct to the relatively low heat exchanging fin 84a of heat；Meanwhile enter the return airway via the refrigerator room 10 Cold air in 70, cooled down being exported after the heat exchanging fin 84b in return airway 70 to the evaporator 40.

Preferably, the heat exchanging fin 84b in the return airway 70 is set close to the return air air inlet 72.Set Set in the heat exchanging fin 84a in refrigerator room 10 close to the air-supply air outlet 62.In this way, realize that refrigerator room is preferably made Cold effect.

In the specific embodiment of the invention, the hollow settings of heat pipe 84c, filling refrigerant in it.Two panels heat exchanging fin （84a、84b）Material be copper or aluminium, ensure the two panels fin with different temperatures with more preferable（84a、84b）Changed Heat.

It is understood that the heat exchanging fin（84a、84b）Thickness, width shape can adjust specifically as needed It is whole, when its width is bigger, when thickness is thicker, is changed by its cold air temperature bigger, be not described in detail herein.

For the ease of understanding the present invention, the single system wind cooling refrigerator for describing a sixth embodiment of the invention below specifically should Use scene.

In the refrigerator room process of refrigerastion of single system refrigerator, by -20 DEG C of cold air of evaporator 40, by blower fan 50 from Air inlet 61 of blowing is introduced in supply air duct 60, and in the case where not installing heat exchanging fin group 84, by blowing, air outlet 62 enters Enter the temperature of cold air in refrigerator room 10 by temperature when keeping entering supply air duct 60, i.e., -20 DEG C.

After present embodiment increase heat exchanging fin group 84, because heat exchanging fin 84b is arranged in return airway 70, it is not In the case of carrying out heat exchange, be maintained at 8 DEG C of temperature, heat exchanging fin 84a is arranged in refrigerator room 10, and close to described The air-supply air outlet 62 of supply air duct 60 is set, and its temperature will be between -20 DEG C ~ 8 DEG C, i.e. the temperature of heat exchanging fin 84a is low In heat exchanging fin 84b temperature, in this way, heat pipe 84c plays a part of heat conduction, by heat from the higher heat exchanging fin of temperature 84b is conducted to the relatively low heat exchanging fin 84a of heat, i.e., heat is sent to refrigerator room 10 from return airway 70.Accordingly, certainly Return air air inlet 72 is into 8 DEG C of cold air after return airway 70 after heat exchanger fin 84b, and its temperature will reduce, Ke Yili Solution, the cold air temperature that return air air outlet 71 circulates is lower, and freezing compartment's refrigeration is better, and such refrigerator room was freezed Cheng Zhong, avoid the excessive influence on freezing compartment's environment temperature.

Specifically, as shown in fig. 7, the single system wind cooling refrigerator that seventh embodiment of the invention provides, it also includes：At least One group of heat exchanging fin group 85, the heat exchanging fin group 85 include：The heat exchanging fin that two panels is independently arranged（85a、85b）And connection Two panels heat exchanging fin（85a、85b）Heat pipe 85c, the heat pipe 85c is used to realize two panels heat exchanging fin（85a、85b）Between Heat conducts；Wherein a piece of heat exchanging fin 85a is arranged in the return airway 70；Wherein another heat exchanging fin 85b is close The evaporator 40 is set, and is arranged at the top of evaporator 40；In the process of refrigerastion of refrigerator room 10, in described time The heat that heat exchanging fin 85b in wind air channel 70 is distributed is consistently higher than the heat that another heat exchanging fin 85a is distributed；Heat is higher Heat exchanging fin 85a heat is conducted to the relatively low heat exchanging fin 85a of heat by the heat pipe 85c；Meanwhile via the refrigeration Compartment 10 enter the return airway 70 in cold air, exported after the heat exchanging fin 85b in return airway 70 to The evaporator 40 is cooled down.

Preferably, the heat exchanging fin 84b in the return airway 70 is set close to the return air air inlet 72.It is close The heat exchanging fin 84a that evaporator 40 is set is set close to the air-supply air inlet 61, in this way, realizing that refrigerator room is preferably freezed Effect.

It is understood that in practical application, the environment temperature above evaporator is less than the environment temperature below evaporator.

In the specific embodiment of the invention, the hollow settings of heat pipe 85c, filling refrigerant in it.Two panels heat exchanging fin （85a、85b）Material be copper or aluminium, ensure the two panels fin with different temperatures with more preferable（85a、85b）Changed Heat.

It is understood that the heat exchanging fin（85a、85b）Thickness, width shape can adjust specifically as needed It is whole, when its width is bigger, when thickness is thicker, is changed by its cold air temperature bigger, be not described in detail herein.

For the ease of understanding the present invention, the single system wind cooling refrigerator for describing a seventh embodiment of the invention below specifically should Use scene.

In the refrigerator room process of refrigerastion of single system refrigerator, by -20 DEG C of cold air of evaporator 40, by blower fan 50 from Air inlet 61 of blowing is introduced in supply air duct 60, and in the case where not installing heat exchanging fin group 85, by blowing, air outlet 62 enters Enter the temperature of cold air in refrigerator room 10 by temperature when keeping entering supply air duct 60, i.e., -20 DEG C.

After present embodiment increase heat exchanging fin group 85, because heat exchanging fin 85b is arranged in return airway 70, it is not In the case of carrying out heat exchange, be maintained at 8 DEG C of temperature, heat exchanging fin 85a is arranged at the top of evaporator 40, and close to institute State air intake air outlet 61 to set, its temperature will approach -20 DEG C, i.e. heat exchanging fin 85a temperature is less than heat exchanging fin 85b temperature Degree, in this way, heat pipe 85c plays a part of heat conduction, heat is conducted from the higher heat exchanging fin 85b of temperature relatively low to heat Heat exchanging fin 85a at, i.e., heat is sent to above evaporator 40 from return airway 70, due to evaporator all the time in refrigeration State, therefore the refrigerating state of evaporator will not be had an impact, meanwhile, it will be above -20 into the cold air in supply air duct 60 DEG C, in this way, the compartment that will not cause that refrigerator room temperature is too low, and Keep cool and freezing compartment are respectively provided with preferably refrigeration effect Fruit.

The single system wind cooling refrigerator of six, the 7th embodiments of the invention is constant in the cold size of evaporator conduction In the case of, by increasing heat exchanging fin group, the cold air in return airway is carried out heat exchange in the process of circulation, passed through with reducing Return airway is delivered to the temperature for the cold air that evaporator is cooled down, and then ensures that refrigerator room cold in process of refrigerastion supplies While, keep freezing compartment that there is less temperature fluctuation difference, reach more preferable refrigeration, meet user's difference need Ask.

The refrigerator of an embodiment of the present invention, in single system wind shown in above-mentioned 6th embodiment and the 7th embodiment Increase by one group of compensation heat exchanging fin group on the basis of cold refrigerator, the compensation heat exchange group includes：The compensation that two panels is independently arranged The compensation heat pipe of heat exchanging fin and connection two panels compensation heat exchanging fin, the compensation heat pipe are used to realize that two panels compensates heat exchange Heat conduction between piece；Wherein, two panels compensation heat exchanging fin is respectively arranged in supply air duct and return airway；The refrigeration In compartment process of refrigerastion, the heat of the compensation heat exchanging fin in return airway is extremely in air-supply wind by the hot pipe conducting The compensation heat exchanging fin in road；Meanwhile enter the supply air duct and by of the inside via the air of evaporator cooling Compensation heat exchanging fin after enter the refrigerator room, via refrigerator room air enter the return airway and by It is delivered at the evaporator and cools down after heat exchanging fin and compensation heat exchanging fin in the inner.

Specifically, as shown in figure 8, the single system wind cooling refrigerator that eighth embodiment of the invention provides, it also includes：At least Heat exchanging fin group 84 and at least one set of compensation heat exchange in one group of single system wind cooling refrigerator as described in the 6th embodiment Piece group, the structure and arrangement mode and the air-cooled ice of single system of first embodiment of the invention offer of the compensation heat exchanging fin group Heat exchanging fin group 81 in case is identical, the heat exchanging fin of two groups of different structures in the single system wind cooling refrigerator of the 8th embodiment Operation principle it is identical with the operation principle of heat exchanging fin group in above-mentioned first embodiment and the 6th embodiment, therefore not It is described in detail again, it is necessary to illustrate, in the embodiment, the arrangement of heat exchanging fin 81b, 84b in return airway 70 Mode can specifically be set as needed, and it can be with upper and lower arrangement, left and right arrangement or staggered, its arrangement mode, can't The implementation of the technical program is influenceed, is not described in detail herein.

Specifically, as shown in figure 9, the single system wind cooling refrigerator that ninth embodiment of the invention provides, it also includes：At least Heat exchanging fin group 85 and at least one set of compensation heat exchange in one group of single system wind cooling refrigerator as described in the 7th embodiment Piece group, the structure and arrangement mode and the air-cooled ice of single system of first embodiment of the invention offer of the compensation heat exchanging fin group Heat exchanging fin group 81 in case is identical, the heat exchanging fin of two groups of different structures in the single system wind cooling refrigerator of the 9th embodiment Operation principle it is identical with the operation principle of heat exchanging fin group in above-mentioned first embodiment and the 7th embodiment, therefore not It is described in detail again, it is necessary to illustrate, in the embodiment, the arrangement of heat exchanging fin 81b, 85b in return airway 70 Mode can specifically be set as needed, and it can be with upper and lower arrangement, left and right arrangement or staggered, its arrangement mode, can't The implementation of the technical program is influenceed, is not described in detail herein.

The single system wind cooling refrigerator of eight, the 9th embodiments of the invention is constant in the cold size of evaporator conduction In the case of, by increasing heat exchanging fin group, make the cold air in supply air duct, the cold air in return airway respectively with refrigerator room or Evaporator carries out heat exchange, to reduce the temperature difference of supply air duct and return airway, and then is ensureing refrigerator room and freezing While cold supply of the compartment in process of refrigerastion, ensure the more preferable refrigeration of refrigerator room, beneficial to being eaten in refrigerator room Thing is fresh-keeping, prevents frostbite, meets user's different demands.

As shown in Figure 10, Figure 11, Figure 12, Figure 13, shown single system wind cooling refrigerator, it also includes：At least one set is sent Wind-heat changing plate group, and at least one set of return air heat exchanging fin group；The air-supply heat exchanging fin group includes：What two panels was independently arranged The air-supply heat pipe of air-supply heat exchanging fin and connection two panels air-supply heat exchanging fin, the air-supply heat pipe is for realizing that it is hot that two panels is blown Heat conduction between changing plate；Wherein a piece of air-supply heat exchanging fin is arranged in the supply air duct；Wherein another air-supply Heat exchanging fin is arranged in the refrigerator room or set close to the evaporator；The return air heat exchanging fin group includes：Two panels The return air heat exchanging fin and the return air heat pipe of connection two panels return air heat exchanging fin being independently arranged, the return air heat pipe are used to realize Heat conduction between two panels return air heat exchanging fin；Wherein a piece of return air heat exchanging fin is arranged in the return airway；Wherein Another return air heat exchanging fin is arranged in the refrigerator room or set close to the evaporator；The refrigerator room was freezed Cheng Zhong, the heat that the air-supply heat exchanging fin in the supply air duct distributes are consistently lower than what another air-supply heat exchanging fin distributed Heat；The heat of the higher air-supply heat exchanging fin of heat passes through the air-supply hot pipe conducting to the relatively low air-supply heat exchange of heat Piece；The heat that return air heat exchanging fin in the return airway distributes is consistently higher than the heat that another return air heat exchanging fin distributes Amount；The heat of the higher return air air-supply heat exchanging fin of heat passes through the return air hot pipe conducting to the relatively low return air heat exchange of heat Piece；Meanwhile enter the supply air duct via the air of evaporator cooling and pass through air-supply heat exchanging fin of the inside Enter the refrigerator room afterwards, enter the return airway via the air of refrigerator room and pass through return air heat of the inside It is delivered at the evaporator and cools down after changing plate.

Specifically, as shown in Figure 10, the single system wind cooling refrigerator that tenth embodiment of the invention provides, it also includes：Extremely Few one group of air-supply heat exchanging fin group, and at least one set of return air heat exchanging fin group；The air-supply heat exchanging fin group structure and arrangement Mode is identical with the heat exchanging fin group 82 in the single system wind cooling refrigerator that second embodiment of the invention provides；The return air heat is handed over The heat exchanging fin group 84 changed in the single system wind cooling refrigerator that piece group structure and arrangement mode provide with sixth embodiment of the invention It is identical；In this way, in the single system wind cooling refrigerator of the tenth embodiment the operation principle of the heat exchanging fin of two groups of different structures with The operation principle of heat exchanging fin group is identical in above-mentioned second embodiment and the 6th embodiment, therefore is no longer described in detail.

Specifically, as shown in figure 11, the single system wind cooling refrigerator that eleventh embodiment of the invention provides, it also includes： At least one set air-supply heat exchanging fin group, and at least one set of return air heat exchanging fin group；The air-supply heat exchanging fin group structure and row Mode for cloth is identical with the heat exchanging fin group 82 in the single system wind cooling refrigerator that second embodiment of the invention provides；The return air heat Heat exchanging fin group in the single system wind cooling refrigerator that changing plate group structure and arrangement mode provide with seventh embodiment of the invention 85 is identical；In this way, the work of the heat exchanging fin of two groups of different structures is former in the single system wind cooling refrigerator of the 11st embodiment Reason is identical with the operation principle of heat exchanging fin group in above-mentioned second embodiment and the 7th embodiment, therefore no longer superfluous in detail State.

Specifically, as shown in figure 12, the single system wind cooling refrigerator that twelveth embodiment of the invention provides, it also includes： At least one set air-supply heat exchanging fin group, and at least one set of return air heat exchanging fin group；The air-supply heat exchanging fin group structure and row Mode for cloth is identical with the heat exchanging fin group 83 in the single system wind cooling refrigerator that third embodiment of the invention provides；The return air heat Heat exchanging fin group in the single system wind cooling refrigerator that changing plate group structure and arrangement mode provide with sixth embodiment of the invention 84 is identical；In this way, the work of the heat exchanging fin of two groups of different structures is former in the single system wind cooling refrigerator of the 12nd embodiment Reason is identical with the operation principle of heat exchanging fin group in above-mentioned 3rd embodiment and the 6th embodiment, therefore no longer superfluous in detail State.

Specifically, as shown in figure 13, the single system wind cooling refrigerator that thirteenth embodiment of the invention provides, it also includes： At least one set air-supply heat exchanging fin group, and at least one set of return air heat exchanging fin group；The air-supply heat exchanging fin group structure and row Mode for cloth is identical with the heat exchanging fin group 83 in the single system wind cooling refrigerator that third embodiment of the invention provides；The return air heat Heat exchanging fin group in the single system wind cooling refrigerator that changing plate group structure and arrangement mode provide with seventh embodiment of the invention 85 is identical；In this way, the work of the heat exchanging fin of two groups of different structures is former in the single system wind cooling refrigerator of the 11st embodiment Reason is identical with the operation principle of heat exchanging fin group in above-mentioned 3rd embodiment and the 7th embodiment, therefore no longer superfluous in detail State.

The present invention the ten, the 11,12, the single system wind cooling refrigerator shown in 13 embodiments, in evaporator conduction In the case that cold size is constant, by increasing air-supply heat exchanging fin group and return air heat exchanging fin group, make in supply air duct Cold air in cold air and return airway carries out heat exchange with the cold air near refrigerator room or evaporator respectively, to reduce air-supply Air channel and the temperature difference of return airway, and then ensureing the cold supply of refrigerator room and freezing compartment in process of refrigerastion Meanwhile ensure the more preferable refrigeration of refrigerator room, beneficial to food fresh-keeping in refrigerator room, frostbite is prevented, meets user's difference Demand.

With reference to shown in Figure 14, Figure 15, Figure 16, Figure 17 and Figure 18, the single system wind cooling refrigerator shown in the present invention, the wind Road includes：Supply air duct, including refrigeration supply air duct 91 and it is soft freezing supply air duct 92, state refrigeration supply air duct 91 be configured to by The air cooled down via the evaporator 40 is supplied to the refrigerator room 10；The soft freezing supply air duct 92 is configured to pass through Supplied from the air that the evaporator 40 cools down to the soft freezing chamber 20；Return airway 93, it is configured to from refrigerator room 10 and/or freezing compartment 20 air be delivered at the evaporator 40 cool down.

Preferably, the refrigeration supply air duct 91 includes：The refrigeration air-supply air inlet set towards the side of evaporator 40 911, and the refrigeration air-supply air outlet 912 set towards the direction of refrigerator room 10；The soft freezing supply air duct 92 wraps Include：The soft freezing air-supply air inlet 921 set towards the side of evaporator 40, and set towards the direction of refrigerator room 10 Soft freezing air-supply air outlet 922.

The return airway 93 includes：The cold air that refrigerator room 10 is delivered at evaporator 40 independently circulates the refrigeration used Return airway 931, the cold air that soft freezing chamber 20 is delivered at evaporator 40 independently circulate the soft freezing return airway 932 used, And its shared shared return airway 933；The refrigeration return airway 931 has what is set towards the side of refrigerator room 10 Return air air inlet 9311 is refrigerated, the soft freezing return airway 932 has the soft freezing set towards the side of soft freezing chamber 20 Return air air inlet 9321, the shared return airway 933 have the return air air outlet 9331 set towards the side of evaporator 40； Accordingly, the refrigeration air-supply air inlet 911, soft freezing air-supply air inlet 921, return air air outlet 9331 relative evaporation device 40 Set location, the refrigeration air-supply air outlet 912, the setting position of 9311 relatively described refrigerator room 10 of refrigeration return air air inlet Put, the soft freezing air-supply air outlet 922, the set location of soft 9321 relatively described soft freezing chamber 20 of freezing return air air inlet are equal Can specifically it adjust as needed.

In the specific embodiment of the invention, the refrigeration air-supply air inlet 911, soft freezing air-supply air inlet 921 are respectively provided with In the top of the evaporator 40；The return air air outlet 9331 is arranged at the lower section of evaporator 40；The refrigeration air-supply air-out Mouth 912 is set close to the top of refrigerator room 10；Return air air inlet 9311 is refrigerated to set close to the bottom of refrigerator room 10；It is described Soft freezing air-supply air outlet 922 is set close to the top of soft freezing chamber 20；Soft freezing return air air inlet 9321 is close to soft freezing chamber 20 bottom is set.

Further, the refrigerator also includes：Corresponding refrigeration supply air duct 91, soft freezing supply air duct 92, refrigeration return air Air channel 931, soft freezing return airway 932, the channel switch 80 that return airway 933 is set is shared, the channel switch 80 is optional Refrigeration supply air duct 91, soft freezing supply air duct 92, refrigeration return airway 931, soft freezing return air wind will be opened or closed with selecting At least one opening in road 932, shared return airway 933, the opening include：Refrigeration air-supply air inlet 911, soft freezing are sent Wind air inlet 921, return air air outlet 9331, refrigeration air-supply air outlet 912, refrigeration return air air inlet 9311, the soft freezing are sent Wind air outlet 922, soft freezing return air air inlet 9321.The channel switch includes：Refrigeration air-supply switch, soft freezing air-supply switch And/or return air switch（Do not illustrate individually）；The refrigeration air-supply switchs the air after being cooled down for selectively blocking evaporator 40 Into refrigerator room 10；The soft freezing air-supply switch enters soft freezing for the air after selectively blocking evaporator 40 cools down Room 20；The return air is switched for selectively blocking the air in refrigerator room 10 and/or soft freezing chamber 20 to be delivered to evaporator 40。

Formed in the specific embodiment of the invention, between the housing (not shown) and inner bag (not shown) of the casing accommodating Space；The refrigeration supply air duct 91, soft freezing supply air duct 92, return airway 93 may be contained within the housing and the inner bag In the accommodation space that rear wall is formed；To realize more preferable refrigeration, and Keep cool supply air duct 91, soft freezing air-supply wind The cold air temperature of circulation in road 92, return airway 93.

As shown in figure 14, the single system wind cooling refrigerator that fourteenth embodiment of the invention provides, it also includes：It is at least one set of Heat exchanging fin group 86, the heat exchange group 86 include：The heat exchanging fin that two panels is independently arranged（86a、86b）And connection two panels heat Changing plate（86a、86b）Heat pipe 86c, the heat pipe 86c is used to realize two panels heat exchanging fin（86a、86b）Between heat pass Lead；Two panels heat exchanging fin（86a、86b）It is respectively arranged in soft freezing supply air duct 92 and return airway 93；The soft freezing chamber In 20 process of refrigerastions, the heat of the heat exchanging fin 86b in return airway 93 is conducted in freezing by the heat pipe 86c The heat exchanging fin 86a of supply air duct；Meanwhile the cold air process of soft freezing chamber 20 is delivered to via the soft freezing supply air duct 92 Enter the soft freezing chamber 20 after the heat exchanging fin 86a in soft freezing supply air duct 92, via the soft freezing chamber 20 Air, which enters the return airway 93 and is delivered to after heat exchanging fin 86b of the inside at the evaporator 40, to be cooled down.

Preferably, the heat exchanging fin 86a in the soft freezing supply air duct 92 is close to the soft freezing air-supply air intake Mouth 921 is set；Heat exchanging fin 86b in the return airway 93 is arranged in the shared return airway 933, and close The soft freezing return airway 932 is set, in this way, realizing the more preferable refrigeration of refrigerator room.

In the specific embodiment of the invention, the hollow settings of heat pipe 86c, filling refrigerant in it.Two panels heat exchanging fin （86a、86b）Material be copper or aluminium, ensure the two panels fin with different temperatures with more preferable（86a、86b）Changed Heat.

It is understood that the heat exchanging fin（86a、86b）Thickness, width shape can adjust specifically as needed It is whole, when its width is bigger, when thickness is thicker, is changed by its cold air temperature bigger, be not described in detail herein.

Of the invention for the ease of understanding, the single system wind cooling refrigerator for describing a fourteenth embodiment of the invention below is specific Application scenarios.

Assuming that under refrigerator normal operating conditions, the air themperature after evaporator 40 is -20 DEG C, in soft freezing chamber 20 Temperature is -7 DEG C.

In the soft freezing chamber process of refrigerastion of single system refrigerator, by -20 DEG C of cold air of evaporator 40, by blower fan 50 from Soft freezing air-supply air inlet 921 is introduced in soft freezing supply air duct 92, and in the case where not installing heat exchanging fin group 86, process is soft The temperature that freezing air-supply air outlet 922 enters cold air in soft freezing chamber 20 will be kept into temperature during soft freezing supply air duct 92 Degree, i.e., -20 DEG C, the cold wind temperature of the evaporator 40 is delivered to by return air air outlet 9331 to keep soft freezing chamber 20 Temperature, i.e., -7 DEG C.

After present embodiment increase heat exchanging fin group 86, heat exchanging fin 86b temperature is higher than heat exchanging fin 86a temperature, In this way, heat pipe 86c plays a part of heat conduction, heat is conducted from the higher heat exchanging fin 86b of temperature relatively low to heat At heat exchanging fin 86a, i.e., heat is sent to soft freezing supply air duct 92 from return airway 93.Accordingly, from it is soft freezing blow into - 20 DEG C of the cold air that air port 921 enters after soft freezing supply air duct 92 is after heat exchanger fin 86a, and its temperature will raise, from soft Return air air inlet 9321 is freezed into -7 DEG C of cold air after return airway 93 after heat exchanger fin 86b, its temperature will reduce. In this way, in the case where not changing the working order of evaporator 40 and blower fan 50, make by soft freezing blow air outlet 922 be delivered to it is soft The cold air temperature rise of refrigerating chamber 20, the cold air temperature for making to be delivered to evaporator 40 by return air air outlet 9331 are reduced, reduced In soft freezing chamber process of refrigerastion, the fluctuation of each compartment temperature it is larger the problem of occur.

As shown in figure 15, the single system wind cooling refrigerator that fifteenth embodiment of the invention provides, itself and the 14th embodiment party The difference for the single system wind cooling refrigerator that formula provides is, is arranged in the 14th embodiment in shared return airway 933 Heat exchanging fin 86b installation site；In present embodiment, the heat exchanging fin 86b is arranged in soft freezing return airway 932, The operation principle for the single system wind cooling refrigerator that 15th embodiment provides is identical with the 14th embodiment, does not do herein in detail Repeat.

The present invention the 14th, the single system wind cooling refrigerator of 15 embodiments are constant in the cold size of evaporator conduction In the case of, by increasing heat exchanging fin group, the cold air in cold air and return airway in soft freezing supply air duct is carried out heat Exchange, to reduce the temperature difference of soft freezing supply air duct and return airway, and then ensureing soft freezing chamber in process of refrigerastion While cold supplies, ensure soft freezing chamber, the more preferable refrigeration of refrigerating chamber, beneficial to food fresh-keeping in soft freezing chamber, meet User's different demands.

As shown in figure 16, the single system wind cooling refrigerator that sixteenth embodiment of the invention provides；16th embodiment Single system wind cooling refrigerator improved on the basis of the single system wind cooling refrigerator that the 14th embodiment provides, accordingly, It is still further comprised compared to the single system wind cooling refrigerator of the 14th embodiment：3rd heat exchanging fin 86d, and connection The second heat pipe 86e of heat exchanging fin 86b and the 3rd heat exchanging fin 86d in the shared return airway 933；Described 3rd Piece heat exchanging fin 86d is arranged in the refrigeration supply air duct 91, and the second heat pipe 86e is used to realize in shared return air wind Heat conduction between heat exchanging fin 86b and the 3rd heat exchanging fin 86d in road 933.

In present embodiment, the hollow settings of the second heat pipe 86e, filling refrigerant in it.3rd heat exchanging fin 86d's Material is identical with heat exchanging fin 86b, ensures to carry out heat exchange between the fin with different temperatures with more preferable, does not do herein It is described in detail.It is understood that the thickness of the heat exchanging fin 86d, width shape equally can be adjusted specifically as needed, When its width is bigger, when thickness is thicker, is changed by its cold air temperature bigger, be not described in detail herein.

The single system wind cooling refrigerator of sixteenth embodiment of the invention, in the case of refrigerator room independent cooling, heat is handed over Change between piece 86b and heat exchanging fin 86d and heat exchange is carried out by the second heat pipe 86e, and then neutralize refrigeration supply air duct 91 and return Cold air temperature in wind air channel 93, so that refrigerator room 10 has more preferable refrigeration, while the temperature of freezing-inhibiting compartment 30 Fluctuation；In the case of soft freezing chamber independent cooling, hot friendship is carried out by heat pipe 86c between heat exchanging fin 86a and heat exchanging fin 86b Change, and then neutralize the cold air temperature in soft freezing supply air duct 92 and return airway 93, so that soft freezing chamber 20 has preferably Refrigeration, while the temperature fluctuation of freezing-inhibiting compartment 30；When refrigerator room 10, soft freezing chamber 20 freeze simultaneously, heat exchange Piece 86a, heat exchanging fin 86d carry out heat exchange with heat exchanging fin 86b simultaneously, and neutralize refrigeration supply air duct 91 and return air wind respectively The cold air temperature in the soft freezing supply air duct 92 of cold air temperature and neutralization and return airway 93 in road 93, and then keep each Compartment is respectively provided with preferable refrigeration.

As shown in Figure 17,18, the present invention the 17th, the single system wind cooling refrigerator of 18 embodiments offer；17th, The single system that the single system wind cooling refrigerator of 18 embodiments provides in the 14th embodiment, 15 embodiments respectively is air-cooled Improved on the basis of refrigerator, accordingly, 17 embodiments compared to the 14th embodiment single system wind cooling refrigerator, 18 embodiments further comprise compared to the single system wind cooling refrigerator of the 15th embodiment：At least one set refrigeration heat is handed over Piece group is changed, the refrigeration heat exchange group includes：The refrigeration heat exchanging fin that two panels is independently arranged（86f, 86g）And connection two panels is cold Hide heat exchanging fin（86f, 86g）Refrigeration heat pipe 86h, the refrigeration heat pipe 86h is used to realize that two panels refrigerates heat exchanging fin（86f, 86g）Between heat conduction；Two panels refrigerates heat exchanging fin（86f, 86g）It is respectively arranged at refrigeration supply air duct 91 and described time In wind air channel 93.

In the specific embodiment of the invention, the refrigeration heat exchanging fin 86g in the return airway 93 is arranged at described Refrigerate in return airway 931, certainly, the refrigeration heat exchanging fin 86g in the return airway 93 is arranged at described share back In wind air channel 933（This kind of embodiment is not shown）.

In present embodiment, the refrigeration hollow settings of heat pipe 86h, filling refrigerant in it.Refrigerate heat exchanging fin（86f, 86g）Material equally can be copper or aluminium, ensure that the two panels with different temperatures refrigerates heat exchanging fin with more preferable（86f, 86g） Exchanged heat.It is understood that the refrigeration heat exchanging fin（86f, 86g）Thickness, width shape equally can be according to need Specifically to adjust, when its width is bigger, when thickness is thicker, be changed by its cold air temperature bigger, be not described in detail herein.

The single system wind cooling refrigerator of sixteenth embodiment of the invention, in the case of refrigerator room independent cooling, refrigeration Heat exchange is carried out by refrigerating heat pipe 86h between heat exchanging fin 86f and refrigeration heat exchanging fin 86g, and then neutralizes refrigeration air-supply wind Cold air temperature in road 91 and return airway 93, so that refrigerator room 10 has more preferable refrigeration, while between freezing-inhibiting The temperature fluctuation of room 30；In the case of soft freezing chamber independent cooling, pass through heat pipe 86c between heat exchanging fin 86a and heat exchanging fin 86b Heat exchange is carried out, and then neutralizes the cold air temperature in soft freezing supply air duct 92 and return airway 93, so that soft freezing chamber 20 has There are more preferable refrigeration, while the temperature fluctuation of freezing-inhibiting compartment 30；When simultaneously refrigerator room 10, soft freezing chamber 20 freeze When, above-mentioned two groups of heat exchanging fins carry out heat exchange simultaneously, cold in refrigeration supply air duct 91 and return airway 93 to neutralize respectively Cold air temperature in temperature degree and the soft freezing supply air duct 92 of neutralization and return airway 93, and then keep each compartment to be respectively provided with Preferable refrigeration.

It should be noted that in the embodiment, when heat exchanging fin 86b and refrigeration heat exchanging fin 86g is simultaneously in shared When in return airway 933, heat exchanging fin 86b and refrigeration heat exchanging fin 86g arrangement mode can specifically be set as needed, and it can With upper and lower arrangement, left and right arrangement or staggered, its arrangement mode, the implementation of the technical program can't be influenceed, herein not It is described in detail.

The present invention the 16th, 17, the single system wind cooling refrigerator cost of 18 embodiments it is relatively low, evaporator conduction In the case that cold size is constant, by increasing heat exchanging fin group, make the cold air in the cold air and return airway in supply air duct Heat exchange is carried out, to reduce the temperature difference of supply air duct and return airway, and then is being freezed in guarantee refrigerator room, soft freezing chamber During cold supply while, ensure that refrigerator room, soft freezing chamber and freezing compartment have more preferable refrigeration, Beneficial to food fresh-keeping in refrigerator room, soft freezing chamber, meet user's different demands.

In the other embodiment of the present invention, with reference to first embodiment of the invention each group into the 13rd embodiment The arrangement mode of heat exchanging fin, applied in the air channel of soft freezing chamber after being converted, in this not go into detail.

It should be appreciated that although the present specification is described in terms of embodiments, not each embodiment only includes one Individual independent technical scheme, this narrating mode of specification is only that those skilled in the art will should say for clarity For bright book as an entirety, the technical scheme in each embodiment may also be suitably combined to form those skilled in the art can With the other embodiment of understanding.

Those listed above is a series of to be described in detail only for feasibility embodiment of the invention specifically Bright, they simultaneously are not used to limit the scope of the invention, all equivalent implementations made without departing from skill spirit of the present invention Or change should be included in the scope of the protection.

Claims

A kind of 1. single system wind cooling refrigerator, it is characterised in that including：

Casing, it, which is limited, forms an at least refrigerator room；

Evaporator, for being cooled down to the air for flowing through it；

Supply air duct, it is configured to supply the air cooled down via the evaporator to the refrigerator room；

Return airway, it is configured to the air from refrigerator room being delivered to cooling at the evaporator；

At least one set of heat exchanging fin group, the heat exchanging fin group include：The heat exchanging fin and connection two panels that two panels is independently arranged The heat pipe of heat exchanging fin, the heat conduction that the heat pipe is used to realize between two panels heat exchanging fin；

Wherein a piece of heat exchanging fin is arranged in the return airway；

Wherein another heat exchanging fin is arranged in the refrigerator room or set close to the evaporator；

In the refrigerator room process of refrigerastion, heat that the heat exchanging fin in the return airway distributes is consistently higher than another The heat that heat exchanging fin distributes；The heat of the higher heat exchanging fin of heat passes through the hot pipe conducting to the relatively low heat exchange of heat Piece；Meanwhile the cold air entered via the refrigerator room in the return airway, by the heat exchange in return airway Output to the evaporator is cooled down after piece.
2. single system wind cooling refrigerator according to claim 1, it is characterised in that wherein another heat exchanging fin is arranged at institute State in refrigerator room；

The supply air duct includes：The air-supply air inlet set towards the vaporizer side, and towards the refrigerator room side To the air-supply air outlet of setting；

The heat exchanging fin being arranged in refrigerator room is set close to the air-supply air outlet.
3. single system wind cooling refrigerator according to claim 1, it is characterised in that wherein another heat exchanging fin is close to described Evaporator is set, and is arranged above the evaporator.
4. single system wind cooling refrigerator according to claim 1, it is characterised in that wherein another heat exchanging fin is close to described Evaporator is set；

The supply air duct includes：The air-supply air inlet set towards the vaporizer side, and towards the refrigerator room side To the air-supply air outlet of setting；

Set close to the heat exchanging fin that evaporator is set close to the air-supply air inlet.
5. the single system wind cooling refrigerator according to any one of Claims 1-4, it is characterised in that the air-cooled ice of single system Case also includes：At least one set compensation heat exchanging fin group；

The compensation heat exchange group includes：The compensation heat exchanging fin and connect two panels compensation heat exchanging fin that two panels is independently arranged Heat pipe is compensated, the compensation heat pipe is used to realize the heat conduction between two panels compensation heat exchanging fin；

Wherein, two panels compensation heat exchanging fin is respectively arranged in supply air duct and return airway；

In the refrigerator room process of refrigerastion, the heat of the compensation heat exchanging fin in return airway passes through the hot pipe conducting To the compensation heat exchanging fin for being in supply air duct；Meanwhile enter the supply air duct, simultaneously via the air of evaporator cooling Enter the refrigerator room after compensation heat exchanging fin of the inside, enter the return air wind via the air of refrigerator room Road is simultaneously delivered to cooling at the evaporator after heat exchanging fin of the inside and compensation heat exchanging fin.
6. single system wind cooling refrigerator according to claim 1, it is characterised in that the supply air duct includes：Described in The air-supply air inlet that vaporizer side is set, and the air-supply air outlet set towards the refrigerator room direction；

The air-supply air outlet is set close to the top of refrigerator room.
7. single system wind cooling refrigerator according to claim 1, it is characterised in that the return airway includes：Described in The return air air outlet that vaporizer side is set, and the return air air inlet set towards the refrigerator room direction；

The return air air inlet is set close to the bottom of refrigerator room.
8. single system wind cooling refrigerator according to claim 1, it is characterised in that the hollow setting of heat pipe, filling in it Refrigerant.
9. single system wind cooling refrigerator according to claim 1, it is characterised in that the material of heat exchanging fin described in two panels is Copper or aluminium.
10. single system wind cooling refrigerator according to claim 1, it is characterised in that the single system wind cooling refrigerator also includes： Blower fan, the blower fan are arranged between the evaporator and the supply air duct, for the sky that will be cooled down via the evaporator Gas is introduced in supply air duct.