CN107560270B

CN107560270B - Refrigerator

Info

Publication number: CN107560270B
Application number: CN201710860151.8A
Authority: CN
Inventors: 魏中; 史慧新
Original assignee: Hefei Hualing Co Ltd; Midea Group Co Ltd; Hefei Midea Refrigerator Co Ltd
Current assignee: Hefei Hualing Co Ltd; Midea Group Co Ltd; Hefei Midea Refrigerator Co Ltd
Priority date: 2017-09-21
Filing date: 2017-09-21
Publication date: 2019-06-28
Anticipated expiration: 2037-09-21
Also published as: CN107560270A; WO2019056415A1

Abstract

The present invention discloses a kind of refrigerator, the refrigerator includes case courage, evaporator, blower and ducting assembly, the ducting assembly is installed in refrigerator container, the ducting assembly includes heat-conducting plate and the baffle assembly set on heat-conducting plate side, the edge of the heat-conducting plate is abutted with refrigerator container to enclose air-cooled space with refrigerator container, the baffle assembly is to be separated into the first air duct and the second air duct for the air-cooled space, and the baffle assembly is equipped with the air inlet and return air inlet for penetrating through first air duct and second air duct, the evaporator and blower are set in first air duct so that the air in first air duct enters second air duct through the air inlet, and the lower end equipped with the evaporator in first air duct is back to through the return air inlet.Technical solution provided by the invention solves the problems, such as that relative humidity is lower in existing refrigerator storage space.

Description

Refrigerator

Technical field

The present invention relates to refrigeration technology field more particularly to a kind of refrigerators.

Background technique

Refrigerator is because can be to food fresh-keeping, it has also become one of most common electric appliance in people's daily life.Existing air-cooled ice Case is usually to pass through evaporator to be re-fed into storage space after the air cooling of refrigerator inside, to the air in storage space It is cooled down.But when refrigerator inside air passes through evaporator, air humidity can be caused to decline because of frosting, so air-cooled ice Relative humidity in case storage space is generally lower, the food fresh-keeping being unfavorable in storage space.

Summary of the invention

The main object of the present invention is to provide a kind of refrigerator, it is intended to solve in existing refrigerator storage space relative humidity compared with Low problem.

To achieve the above object, refrigerator proposed by the present invention includes case courage, evaporator, blower and ducting assembly, the wind Road component is installed in refrigerator container, and the ducting assembly includes heat-conducting plate and the baffle assembly set on heat-conducting plate side, described The edge of heat-conducting plate is abutted with refrigerator container to enclose air-cooled space with refrigerator container, and the baffle assembly is to by the wind Cold space is separated into the first air duct and the second air duct, and the baffle assembly is equipped with and penetrates through first air duct and described second The air inlet and return air inlet in air duct, the evaporator and blower are set in first air duct sky so that in first air duct Gas through the air inlet enter second air duct, and through the return air inlet be back to first air duct be equipped with the evaporation The lower end of device.

Preferably, the baffle assembly includes two first partitions, and two first partition intervals are arranged to be formed The first air duct is stated, the side space back to first air duct of the first partition is second air duct；The air inlet It is set to the first partition with the return air inlet, the evaporator and the blower are located at the lower end in first air duct.

Preferably, the baffle assembly further includes multiple second partitions, and the second partition is connected to the first partition The side back to first air duct.

Preferably, the quantity of the return air inlet is two, and two return air inlets are located at the lower section of the evaporator, described Air inlet is located at the top of the evaporator.

Preferably, the second partition includes connecting the connecting pin of the first partition and prolonging far from the first partition End is stretched, the notch to air circulation is formed between the elongated end and the edge of the heat-conducting plate.

Preferably, the size of multiple notches reduces with the increase with the distance between the evaporator.

Preferably, the second partition includes the abutment end for connecting the fixing end and abutting refrigerator container of the heat-conducting plate, The length of the fixing end is greater than the length of the abutment end.

Preferably, the size of the air inlet increases with the increase with the distance between the evaporator.

Preferably, the side in formation first air duct of the heat-conducting plate is equipped with insulating layer, and the width of the insulating layer The equivalent width of degree and first air duct, the development length of the insulating layer are consistent with the development length of the baffle assembly.

Preferably, the side back to the baffle assembly of the heat-conducting plate is equipped with shelf, is formed in the shelf useful With the flowing lumen of air circulation, and the flowing lumen penetrates through the air-cooled space.

In technical solution provided by the invention, air-cooled space is separated into the first air duct and the second air duct by baffle assembly, Air in first air duct passes through evaporator refrigeration, and is circulated by the effect of blower to side, through the air inlet on baffle assembly Mouthful enter in the second air duct, and be back to through return air inlet the lower section equipped with evaporator in the first air duct again, again through evaporator into Row cooling.So that the air in air-cooled space realizes refrigeration cycle between the first air duct and the second air duct, it is not necessarily to and storage It hides space and heat exchange is carried out by air circulation, it is ensured that the humidity environment of storage space.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with The structure shown according to these attached drawings obtains other attached drawings.

Fig. 1 is the structural schematic diagram of one embodiment of refrigerator of the present invention；

Fig. 2 is the structural schematic diagram that ducting assembly is equipped with evaporator and blower in Fig. 1 refrigerator；

Fig. 3 is the cut-away illustration of ducting assembly in Fig. 2；

Fig. 4 is the cut-away illustration that shelf is installed on heat-conducting plate in Fig. 1 refrigerator.

Drawing reference numeral explanation:

Label	Title	Label	Title
				10	Heat-conducting plate	20	Shelf
30	Case courage	40	Evaporator
				50	Blower	11	First partition
12	Second partition	13	Air inlet
				14	Return air inlet	15	Notch
16	Air pushing hole	17	Exhaust vent
				18	Shelves item	19	Insulating layer
21	Flowing lumen	101	First air duct
				102	Second air duct

The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its His embodiment, shall fall within the protection scope of the present invention.

It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should When particular pose changes, then directionality instruction also correspondingly changes correspondingly.

In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ", The feature of " second " can explicitly or implicitly include at least one of the features.In the description of the present invention, " multiple " contain Justice is at least two, such as two, three etc., unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. shall be understood in a broad sense, For example, " fixation " may be a fixed connection, it may be a detachable connection, or integral；It can be mechanical connection, be also possible to Electrical connection；It can be directly connected, the connection inside two elements or two can also be can be indirectly connected through an intermediary The interaction relationship of a element, unless otherwise restricted clearly.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

It in addition, the technical solution between each embodiment of the present invention can be combined with each other, but must be general with this field Based on logical technical staff can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve this The combination of technical solution is not present, also not the present invention claims protection scope within.

The present invention proposes a kind of refrigerator.

Please refer to Fig. 1 to Fig. 3, in an embodiment of the present invention, the refrigerator include case courage 30, evaporator 40, blower 50 and Ducting assembly (does not indicate), and ducting assembly is installed in case courage 30, ducting assembly include heat-conducting plate 10 and be set to heat-conducting plate 10 1 The baffle assembly (not indicating) of side, the edge of heat-conducting plate 10 are abutted with case courage 30 to enclose air-cooled space, partition with case courage 30 Component is to be separated into the first air duct 101 and the second air duct 102 for air-cooled space, and baffle assembly is equipped with the first air duct of perforation 101 and second air duct 102 air inlet 13 and return air inlet 14, evaporator 40 and blower 50 are set in the first air duct 101 so that the Air in one air duct 101 enters the second air duct 102 through air inlet 13, and is back to setting for the first air duct 101 through return air inlet 14 There is the lower end of evaporator 40.

It is to be appreciated that the recess of case courage 30 of refrigerator forms the refrigerating space to storing, such as storage space, heat-conducting plate 10 It is arranged set on the back side of case courage 30, that is, in face of the chamber door of refrigerator.The edge of heat-conducting plate 10 is equipped with the side extended to case courage 30 Frame, and frame is abutted with case courage 30, so that heat-conducting plate 10 encloses closed air-cooled space by frame and case courage 30, it should Air-cooled space is independent by heat-conducting plate 10 and storage space, the work of evaporator 40 so that the temperature in air-cooled space reduces, And by heat-conducting plate 10 by Conduction At Low Temperature to storage space, and then air-cooled space and storage space is prevented to carry out heat by air Amount exchange, also allows for that the humidity in storage space will not be influenced even if air frosting through evaporator 40, it is ensured that storage Humidity environment in space.Further, air-cooled space is separated into the first air duct 101 and the second air duct 102 by baffle assembly, Evaporator 40 and blower 50 are set in the first air duct 101, and the air in the first air duct 101 freezes by evaporator 40, and passes through The effect of blower 50 is circulated to side, is entered in the second air duct 102 through the air inlet 13 on baffle assembly, and again through return air inlet 14 It is back to the lower section equipped with evaporator 40 in the first air duct 101, is cooled down again through evaporator 40.So that air-cooled space Interior air realizes refrigeration cycle between the first air duct 101 and the second air duct 102, without passing through air circulation with storage space Carry out heat exchange, it is ensured that the humidity environment of storage space.

Referring in particular to Fig. 2, baffle assembly includes two first partitions 11, and two intervals of first partition 11 are arranged to be formed First air duct 101, the side space back to the first air duct 101 of first partition 11 are the second air duct 102；Air inlet 13 and return air Mouth 14 is set to first partition 11, and evaporator 40 and blower 50 are located at the lower end in the first air duct 101.In the present embodiment, first partition 11 are parallel to the longitudinal edge of heat-conducting plate 10, that is to say, that first partition 11 is vertically arranged, and evaporator 40 and blower 50 are located at the The lower end in one air duct 101, and blower 50, close to the upper end of evaporator 40, the circulation for also allowing for air in the first air duct 101 is Bottom-up flowing, and be circulated in the second air duct 102 by the air inlet 13 in first partition 11.Also, first partition 11 Quantity be two, two first partitions 11 have also just been separated out two the second air ducts 102, and two the second air ducts 102 are located at The left and right sides in the first air duct 101.It should be noted that the width in the first air duct 101 makes less than the width in the second air duct 102 The cold air obtained in the first air duct 101 can be quickly circulated in the second air duct 102, realized and cooled down to the entirety of heat-conducting plate 10.

Further, baffle assembly further includes multiple second partitions 12, and second partition 12 is connected to the back of first partition 11 To the side in the first air duct 101, the setting of the two neighboring interval of second partition 12.In the preferred embodiment of the application, second The vertical first partition 11 of partition 12, that is to say, that second partition 12 is horizontally disposed.The setting of multiple second partitions 12, so that the Two air ducts 102 are divided into multiple circulation passages.First partition 11 is equipped with multiple air inlets 13, such as an air inlet 13 connects A logical circulation passage and the first air duct 101, or a circulation passage and the first air duct can also be connected to multiple air inlets 13 101, it can be more circulated in the second air duct 102 with the cold air ensured in the first air duct 101, realize the drop to heat-conducting plate 10 Temperature, it is ensured that the temperature uniformity in storage space.

Further, heat-conducting plate 10 can be a slab construction, which is set to the back side of refrigerator, That is the one side opposite with refrigerator doors；Alternatively, heat-conducting plate 10 can also cover the back side and top surface of refrigerator, to realize more in large area Cooling to storage space.

Please continue to refer to Fig. 2, the quantity of return air inlet 14 is two, and two return air inlets 14 are located at the lower section of evaporator 40, into Air port 13 is located at the top of evaporator 40.In the present embodiment, the second partition 12 set on bottom is located above evaporator 40, wind Machine 50 is arranged close to evaporator 40 and is located at the top of evaporator 40 so that in the first air duct 101 air after evaporator 40 is cooling, It circulates under the action of blower 50, and is circulated in the second air duct 102 from the air inlet 13 being located above evaporator 40 upwards.If Return flow line is formed in the frame of the second partition 12 Yu heat-conducting plate 10 of bottom in the second air duct 102, which passes through Return air inlet 14 in first partition 11 is connected to first passage, and return air inlet 14 is in face of the side wall of evaporator 40 or positioned at evaporation 40 lower section of device, so that the air being circulated in the first air duct 101 through return air inlet 14 is cooled down through evaporator 40 again, then by wind Machine 50 blows in the first air duct 101 and the second air duct 102, to realize the refrigeration cycle of air.

In the present embodiment, second partition 12 includes the connecting pin of connection first partition 11 and the extension far from first partition 11 End, is formed with the notch 15 to air circulation between elongated end and the edge of heat-conducting plate 10.That is, second partition 12 is not It is abutted with the frame of heat-conducting plate 10, the air in the second air duct 102 is circulated downwards by notch 15.Specifically, Air in one air duct 101 is circulated upwards by being set to the effect of the blower 50 of lower end, and from the air inlet in first partition 11 13 are circulated in the second air duct 102, the air in the second air duct 102 because blower 50 act on by after notch 15 to flow down It is logical.Each 11 side of first partition is equipped with multiple second partitions 12, also just includes multiple notches 15, and multiple notches 15 form one Return air channel.The air that second air duct 102 flows through return air channel is circulated in the first air duct 101 again by return air hole, Jin Ershi Refrigeration cycle of the air in the first air duct 101 and the second air duct 102 is showed, has cooled down to be realized to heat-conducting plate 10.

In the preferred embodiment of the present invention, the size of multiple air inlets 13 with the distance between evaporator 40 Increase and increases.It is to be appreciated that the air themperature of the side in face of blower 50 of evaporator 40 is minimum, air is in the process of circulation In heat exchange constantly occurs, the temperature of air increases with the increase with 40 distance of evaporator in the first air duct 101.First Partition 11 is closer apart from evaporator 40, then air themperature herein is lower, and the size of air inlet 13 is smaller, also allows for through this The air capacity that air inlet 13 enters the second air duct 102 is less, also relatively slow with the heat exchange efficiency of heat-conducting plate 10；11 distance of first partition Evaporator 40 is remoter, then is circulated to air themperature herein with respect to the air themperature at blower 50 and wants high, therefore by first partition The size of 11 air inlets 13 herein increases, so that it is more by the air capacity that air inlet 13 at this is circulated in the second air duct 102, Faster with the heat exchange efficiency of heat-conducting plate 10.By changing the size of air inlet 13, to better assure that the entirety of heat-conducting plate 10 is changed The thermal efficiency and temperature uniformity.

It should be noted that in other embodiments of the invention, the size of the air inlet 13 is consistent；Alternatively, The size of the air inlet 13 reduces with the increase with the distance between evaporator.It is to be appreciated that air inlet 13 is set Setting is circulation to realize air in the first air duct 101 and the second air duct 102, as long as being provided with air inlet 13 can be realized State function.

Preferably, the size of multiple notches 15 reduces with the increase with the distance between evaporator 40.It is understood that Ground, due to the effect of blower 50, circulating direction of the air in notch 15 be from top to bottom with to be set to lower end evaporator 40 Circulation, therefore, the notch more than 15 that air flows through, air themperature is higher, then the air themperature in multiple notches 15 be with Reduction with 40 distance of evaporator and increase.It is configured by the size to notch 15, so that it is closer apart from evaporator 40, The air capacity that notch 15 circulates is bigger, and the velocity of liquid assets for also allowing for the higher air of temperature faster, prevents atmospheric heat from influencing The temperature of heat-conducting plate 10, it is ensured that the low temperature of heat-conducting plate 10.

In the present embodiment, second partition 12 includes the fixing end of connection heat-conducting plate 10 and the abutment end for abutting case courage 30, institute The length for stating fixing end is greater than the length of the abutment end.In the present embodiment, the connecting pin of second partition 12 connects first partition 11, notch 15 is formed between elongated end and the frame of heat-conducting plate 10, the length of fixing end is greater than the length of abutment end, so that second Partition 12 is trapezium structure, and the bevel edge of trapezoidal second partition 12 is the elongated end, also just expands the ruler of notch 15 in this way It is very little, it is more advantageous to circulation of the air at notch 15.

Referring to figure 3., the side in the first air duct of formation 101 of heat-conducting plate 10 is equipped with insulating layer 19, and the width of insulating layer 19 The equivalent width of degree and the first air duct 101, the development length of insulating layer 19 and the development length of baffle assembly are consistent.Evaporator 40 In the first air duct 101, so that the air themperature in the first air duct 101 is lower, it is easy to generate condensation on 10 surface of heat-conducting plate. And the setting of insulating layer 19, insulation effect can be played to 10 surface of heat-conducting plate for forming the first air duct 101, prevented and cold air It directly contacts, avoids the generation of condensation.

Fig. 1 and Fig. 4 are please referred to, the side back to baffle assembly of heat-conducting plate 10 is equipped with shelf 20, is formed in shelf 20 To the flowing lumen 21 of air circulation, and flowing lumen 21 penetrates through air-cooled space.The setting of shelf 20, so that cold in air-cooled space Air can be circulated in the flowing lumen 21, and then realize the cooling to shelf 20, low to realize to the food being placed on shelf 20 Temperature refrigeration, it is ensured that the low temperature environment in storage space ensure that the food fresh-keeping effect of storage space.

With further reference to Fig. 4, heat-conducting plate 10 includes air pushing hole 16 and exhaust vent 17, and air pushing hole 16 penetrates through the first air duct 101 penetrate through the second air duct 102 and flowing lumen 21 with flowing lumen 21, exhaust vent 17.It is to be appreciated that the sky in the first air duct 101 Temperature degree is circulated to the circulation of shelf 20 through air pushing hole 16 lower than the air themperature in the second air duct 102, the lower air of temperature In chamber 21, to exchange heat to shelf 20, the cooling to shelf 20 is realized, it is ensured that the low temperature environment in storage space, preferably Food is carried out fresh-keeping.Also, the air after exchanging heat can be circulated in the second air duct 102 by exhaust vent 17, and be circulated to scarce In the return air channels that mouth 15 is constituted.

Preferably, the quantity of exhaust vent 17 is two, and air pushing hole 16 is set between two exhaust vents 17；Each exhaust vent A shelves item 18 is equipped between 17 and ventilation hole, shelves item 18 extends from heat-conducting plate 10 into flowing lumen 21.The setting of shelves item 18, Also circulation path of the air in flowing lumen 21 is just better defined, it is ensured that the sky to circulate in influent stream cavity 21 at air pushing hole 16 Gas is circulated in the second air duct 102 through exhaust vent 17, prevents the air return in flowing lumen 21.In the present embodiment, air inlet hole The equivalent width of width and the first air duct 101, and shelf 20 and second partition 12 are in the same plane, 17 face of exhaust vent lacks Mouth 15.

In the preferred embodiment of the application, shelf 20 is for metalwork or by the material system with high thermal conductivity At.Alternatively, the two sides up and down of shelf 20 can be made of the material of different heat-conducting systems, such as the thermally conductive system on 20 upper layer of shelf Number is higher than the thermal coefficient of 20 lower layer of shelf, so that the heat exchange efficiency on 20 upper layer of shelf contacted with food is higher, more preferably Realize the cold storing and fresh-keeping to food in ground.

Further, heat-conducting plate 10 is made by metalwork or by the material with high thermal conductivity.

The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this Under the design of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/it is used in it indirectly He is included in scope of patent protection of the invention relevant technical field.

Claims

1. a kind of refrigerator, which is characterized in that including case courage, evaporator, blower and ducting assembly, the ducting assembly is installed on institute State in case courage, the ducting assembly includes heat-conducting plate and the baffle assembly set on heat-conducting plate side, the edge of the heat-conducting plate with Refrigerator container is abutted to enclose air-cooled space with refrigerator container, and the baffle assembly is to be separated into for the air-cooled space One air duct and the second air duct, and the baffle assembly be equipped with the air inlet for penetrating through first air duct and second air duct and Return air inlet, the evaporator and blower are set in first air duct so that the air in first air duct is through the air inlet Into second air duct, and it is back to through the return air inlet lower end equipped with the evaporator in first air duct, it is described Baffle assembly includes two first partitions, and two first partition intervals settings are to form first air duct, and described first The side space back to first air duct of partition is second air duct；The air inlet and the return air inlet are set to described First partition, the evaporator and the blower are located at the lower end in first air duct, and the baffle assembly further includes multiple Two partitions, the second partition are connected to the side back to first air duct of the first partition.

2. refrigerator as described in claim 1, which is characterized in that the quantity of the return air inlet is two, two return air inlets Positioned at the lower section of the evaporator, the air inlet is located at the top of the evaporator.

3. refrigerator as described in claim 1, which is characterized in that the second partition includes the connection for connecting the first partition The elongated end of end and the separate first partition, is formed between the elongated end and the edge of the heat-conducting plate to air stream Logical notch.

4. refrigerator as claimed in claim 3, which is characterized in that the size of multiple notches is between the evaporator Distance increase and reduce.

5. such as refrigerator of any of claims 1-4, which is characterized in that the second partition includes that connection is described thermally conductive The fixing end of plate and the abutment end for abutting refrigerator container, the length of the fixing end are greater than the length of the abutment end.

6. such as refrigerator of any of claims 1-4, which is characterized in that the size of the air inlet with the steaming It sends out the increase of the distance between device and increases.

7. such as refrigerator of any of claims 1-4, which is characterized in that the formation of the heat-conducting plate first air duct Side be equipped with insulating layer, and the equivalent width of the width of the insulating layer and first air duct, the extension of the insulating layer Length is consistent with the development length of the baffle assembly.

8. such as refrigerator of any of claims 1-4, which is characterized in that the heat-conducting plate back to the baffle assembly Side be equipped with shelf, the flowing lumen to air circulation is formed in the shelf, and flowing lumen perforation is described air-cooled Space.