CN108332487A - Refrigerator - Google Patents

Refrigerator Download PDF

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Publication number
CN108332487A
CN108332487A CN201710044945.7A CN201710044945A CN108332487A CN 108332487 A CN108332487 A CN 108332487A CN 201710044945 A CN201710044945 A CN 201710044945A CN 108332487 A CN108332487 A CN 108332487A
Authority
CN
China
Prior art keywords
heat
refrigerator
air duct
exchange
exchange surface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710044945.7A
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Chinese (zh)
Inventor
苗松涛
韩晓蕾
野田俊典
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Panasonic Intellectual Property Management Co Ltd
Original Assignee
Panasonic Intellectual Property Management Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Panasonic Intellectual Property Management Co Ltd filed Critical Panasonic Intellectual Property Management Co Ltd
Priority to CN201710044945.7A priority Critical patent/CN108332487A/en
Publication of CN108332487A publication Critical patent/CN108332487A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/14Collecting or removing condensed and defrost water; Drip trays
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2321/00Details or arrangements for defrosting; Preventing frosting; Removing condensed or defrost water, not provided for in other groups of this subclass
    • F25D2321/14Collecting condense or defrost water; Removing condense or defrost water

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

The present invention provides a kind of refrigerator (100), it has the air duct (5) that gas circulation is carried out in each compartment, the at least part in the air duct (5) is that heat hands over air duct (50), the heat hands over air duct (50) to have the heat exchange department (53) formed by Heat Conduction Material for separating air-supply passage (51) and return air channel (52), gas in air-supply passage (51) carries out heat exchange with the gas in return air channel (52) via heat exchange department (53), the heat-exchange surface (530) of heat exchange department (53) is corrugated surface made of multiple concave parts (531) and lug boss (532) are alternately arranged, concave part (531) and lug boss (532) on heat-exchange surface are upwardly extended in inclined side relative to horizontal direction.Thereby, it is possible to the heat exchanger effectiveness and effect on moisture extraction of heat-exchange surface are improved while ensuring refrigeration for refrigerator effect.

Description

Refrigerator
Technical field
The present invention relates to a kind of refrigerators.
Background technology
The refrigerator of existing circulating cooling freezing has:Cooling end with cooler and fan;It will be generated by cooler The cool-air feed channel transmitted to refrigerating chamber of cold air;By the air return sent out from refrigerating chamber to the return flow line of cooler. But since the air themperature and humidity that flow back from refrigerating chamber are higher (5 DEG C, 80% humidity or so), be easy to make cooler frosting, To influence the refrigerating efficiency of cooler.
In the refrigerator of patent document 1, dehumidifying is provided in the channel of the air return sent out from refrigerating chamber to cooler Heat exchanger.By this except wet heat exchanger can substantially reduce the frosting degree of cooler.But the refrigerator is indoor in refrigeration Air circulation is insufficient, and the cold air that a part is blown out from cooler is just back to without sufficient heat exchange except wet heat exchanger Place, causes heat exchanger effectiveness low.Moreover, because setting removes wet heat exchanger in the refrigerating chamber of refrigerator, lead to refrigerating chamber has It is less to imitate area, is unfavorable for the miniaturization of refrigerator entirety.
Patent document 2 provide it is a kind of prevent cooler frosting to improve the refrigerator of the refrigeration effect of cooler, in the ice It is provided with the in-built full heat exchange unit with multilayer being connect with cool-air feed channel and return flow line in case, utilizes The full heat exchange unit reduces the frosting degree of cooler, improves the refrigerating efficiency of cooler to play, reduces power consumption Effect.
But in the refrigerator described in Patent Document 2, when refrigerator operates, return air (humid air) is with air-supply through full heat Exchanger carries out heat exchange, and since total-heat exchanger surface temperature is -10 degree left and right, the moisture in humid air is in heat exchange Water droplet is precipitated and condensed on surface, and because of the attqched tension of heat exchange surface and the influence of surface structure, water droplet cannot be arranged in time Go out, assemble on heat-exchange surface and congeals into ice, with the continuity of time, the more long-pending final ice the bigger, can lead to the blocking in air duct, Influence the refrigeration effect of refrigerator.In addition, after freezing on heat exchange surface, heat exchanger effectiveness can be caused to decline (heat exchange coefficient Decline 30% or more), effect on moisture extraction declines.
Patent document
Patent document 1:Japanese Unexamined Patent Application 56-108080
Patent document 2:Chinese Patent Application No. 201410850795.5
Invention content
The present invention is to complete in view of the above problems, and its purpose is to provide one kind ensuring refrigeration for refrigerator effect While prevent condensation water from freezing in heat-exchange surface and improving the heat exchanger effectiveness of heat-exchange surface and the refrigerator of effect on moisture extraction.
To achieve the goals above, the present invention provides a kind of refrigerator comprising:Generate the cooling end of cooling gas;With with The air duct of gas circulation is carried out at least one compartment in above-mentioned refrigerator, above-mentioned refrigerator is characterized in that:Above-mentioned air duct At least part hands over air duct, above-mentioned heat that air duct is handed over to have to carry out the heat of heat exchange:Air-supply passage will be produced by above-mentioned cooling end Raw cooling gas is transported at least one compartment in above-mentioned refrigerator;Return air channel, will be above-mentioned at least one indoor Gas sends back to above-mentioned cooling end, not connected with above-mentioned air-supply passage;Heat exchange department, it is two to hand over air duct to separate above-mentioned heat A layer, wherein one layer constitutes above-mentioned air-supply passage, another layer constitutes above-mentioned return air channel, and the heat exchange department is by Heat Conduction Material shape At the gas in above-mentioned air-supply passage carries out heat exchange with the gas in above-mentioned return air channel via above-mentioned heat exchange department;With it is solidifying Dew recoverer is set to the downstream side of above-mentioned return air channel, what recycling was formed on the heat-exchange surface of above-mentioned heat exchange department Condensation water, the above-mentioned heat-exchange surface of above-mentioned heat exchange department is multiple concave parts and multiple lug bosses be alternately arranged made of ripple Face, the above-mentioned concave part and above-mentioned lug boss of above-mentioned heat-exchange surface are upwardly extended in inclined side relative to horizontal direction.
According to above structure heat-transfer surface can be further increased since the heat-exchange surface of heat exchange department is corrugated surface Product reduces frosting degree.Also, as in the heat-exchange surface of corrugated surface concave part and lug boss tilting relative to horizontal direction Side upwardly extend, therefore condensation water can be made quickly to be discharged, prevent condensation water from assembling and freezing in heat-exchange surface, it is ensured that refrigerator Refrigeration effect, additionally it is possible to prevent heat-exchange surface from freezing, it is ensured that heat transfer effect.
Moreover, because only simply being changed on the basis of existing air duct and forming heat and hand over air duct so that former wind Road variation is smaller, is arranged to multiple layers without by former air duct, is added with corrugated surface, that is, heat-exchange surface only in former air duct Above-mentioned heat exchange department therefore, there is no need to need as documents 1,2 in addition to increase except wet heat exchanger or full heat are handed over Devices such as parallel operation etc., the influence to original ducting system is also smaller, can increase while ensureing that former air duct thickness does not increase Heat exchange area reduces frosting degree, so as to the miniaturization in the air duct for realizing refrigerator, simplify the structure, manufacturing cost subtracts While low, efficiently reduce the frosting degree of cooler, improve the refrigerating efficiency of cooler, and is conducive to the small-sized of refrigerator entirety Change.
In one embodiment of the present invention, it is above-mentioned heat hand over air duct also have will be along the above-mentioned groove of above-mentioned heat-exchange surface The above-mentioned condensation water of portion's flowing guides the diversion trench to above-mentioned condensation water recoverer.According to this structure, condensation water can be made Condensation water recoverer is swimmingly flowed to, the discharge of condensation water is accelerated, condensation water is further prevented to assemble and freeze on heat-exchange surface Knot.
In one embodiment of the present invention, above-mentioned diversion trench passes through one of the above-mentioned lug boss of above-mentioned heat-exchange surface Cutting is removed and is formed.Thereby, it is possible to simply form diversion trench.
In one embodiment of the present invention, multiple above-mentioned concave parts of above-mentioned heat-exchange surface and multiple above-mentioned lug boss phases Mutually parallelly extend to same direction.According to this structure, condensation water can be made swimmingly to flow to condensation water recoverer, accelerated The discharge of condensation water further prevents condensation water to assemble and freeze on heat-exchange surface.
In one embodiment of the present invention, it is above-mentioned heat-exchange surface that height is provided with around above-mentioned heat exchange department The baffle more than height of above-mentioned lug boss.Thereby, it is possible to prevent condensation water from revealing.
In one embodiment of the present invention, it is the refrigerating chamber and/or alternating temperature being arranged in above-mentioned refrigerator that above-mentioned heat, which hands over air duct, Part or all of indoor air duct.That is, in the present invention, it can be by the refrigerating chamber and/or temperature-changing chamber of above-mentioned refrigerator In part or all of air duct be modified as above-mentioned heat and hand over air duct, so as to ensure to the refrigerating chamber of refrigerator or temperature-changing chamber into While the cycle of row refrigerant gas, moisture present in the refrigerating chamber or temperature-changing chamber by refrigerator removes, to further decrease The frosting degree of cooler improves the refrigerating efficiency of cooler.
In one embodiment of the present invention, above-mentioned heat hands over the above-mentioned return air channel in air duct to be positioned close to above-mentioned compartment Side.According to this structure, it can prevent from making compartment because of cooling gas (about -15 DEG C) flowed in air-supply passage Wall surface freezes, without thermal insulation layer etc. is in addition arranged.
In one embodiment of the present invention, it is provided with hydrophobic coating on above-mentioned heat-exchange surface.According to this structure, The condensation water formed on heat-exchange surface can be more easily collected, the discharge of condensation water is further speeded up.
Description of the drawings
Fig. 1 is the whole front schematic view of the refrigerator of embodiment of the present invention 1.
Fig. 2 is the whole schematic cross-sectional view of the refrigerator of embodiment of the present invention 1.
Fig. 3 is the front schematic view of the heat exchange department of embodiment 1 shown in FIG. 1.
Fig. 4 is the schematic cross-sectional view of the heat exchange department of embodiment 1 shown in FIG. 1.
Fig. 5 is the front schematic view of the heat exchange department of embodiment of the present invention 2.
The explanation of reference numeral
100:Refrigerator, 1:Refrigerating chamber, 2:Temperature-changing chamber, 3:Freezing chamber, 4:Cooling end, 5:Air duct, 50:Heat friendship air duct, 51:It send Wind channel, 52:Return air channel, 53:Heat exchange department, 54:Condensation water recoverer, 530:Heat-exchange surface, 531:Concave part, 532:It is convex The portion of rising, 533:Diversion trench, 534:Baffle.
Specific implementation mode
The present invention will be described in more detail with embodiment below in conjunction with the accompanying drawings.
The preferred embodiment of refrigerator involved by the present invention will be described in detail referring to the drawings.In addition, in attached drawing In explanation, same symbol is accompanied by same or considerable part, the repetitive description thereof will be omitted.
(embodiment 1)
Fig. 1 is the whole front schematic view of the refrigerator 100 of embodiment of the present invention 1, and Fig. 2 is the whole of refrigerator 100 Schematic cross-sectional view.As depicted in figs. 1 and 2, refrigerator 100 includes the multiple compartments for stored goods being provided at its inner portion, should Multiple compartments are, for example, refrigerating chamber 1, temperature-changing chamber 2 and freezing chamber 3 etc..Wherein, refrigerating chamber 1 is the compartment for chilled goods, Internal temperature is typically between refrigerating temperature zone (3~10 DEG C), due to being commonly used to refrigerate various vegetables, melon and fruit, beverage Deng, therefore the humidity in refrigerating chamber 1 is higher.
Refrigerator 100 further includes:Cooling end 4 for generating cold air;With in refrigerator 100 such as refrigerating chamber 1, become The air duct 5 of gas circulation is carried out between greenhouse 2 and freezing chamber 3 etc..Cooling end 4 is for example including cooler (evaporator) and fan Deng the cooling gas generated in evaporator is blown into each compartment using fan via air duct 5.Air duct 5 is arranged in refrigerator 100 Body interior, such as can be arranged on the wall surface of each compartment.
At least part in air duct 5 is that can carry out the heat friendship air duct 50 of gas heat exchange, and as shown in Figure 1 and Figure 2, heat is handed over Air duct 50 has air-supply passage 51, return air channel 52, heat exchange department 53 and condensation water recoverer 54.Air-supply passage 51 is for will be by The cooling gas that cooling end 4 generates is transported at least one compartment in refrigerator 100, and return air channel 52 is used for this is at least one Indoor gas sends back to cooling end 4, and air-supply passage 51 and return air channel 52 are not connected.Hand over air duct 50, air-supply logical in heat Road 51 overlaps the to each other the wall surface being arranged in refrigerating chamber 1 and/or temperature-changing chamber 2 with return air channel 52.
As shown in Fig. 2, heat hands over air duct 50 to be set to refrigerating chamber 1 and/or temperature-changing chamber 2 in a manner of extending in vertical direction There is two-layer structure, two layers in the two-layer structure to be laminated on the direction vertical with the wall surface of refrigerating chamber 1 at rear portion, this two One layer of composition return air channel 52 of the storage space of the close refrigerating chamber 1 in layer, one layer of structure of the storage space far from refrigerating chamber 1 At air-supply passage 51.By 10 gas after cooling of cooling end (about -15 DEG C) via 51 quilt of air-supply passage in heat friendship air duct 50 It is transported to refrigerating chamber 1, the gas of the high-temperature high-humidity in refrigerating chamber 1 (about 5 DEG C, 80% humidity or so) hands over air duct 50 via heat In return air channel 52 be transported to cooling end 10 and cooled down.
In the present embodiment, it is the air duct being arranged in refrigerating chamber 1 that heat, which hands over air duct 50, as shown in Figure 1, but not limited to this, Heat hands over air duct 50 that can also be arranged in other higher compartments of temperature and humidity such as temperature-changing chamber 2, in this case, temperature-changing chamber 2 Interior return air channel can be communicated with the return air channel in refrigerating chamber 1.In addition, heat hands over air duct 50 that can also be continuously formed at refrigeration Room 1 and temperature-changing chamber 2.Cooling end 4 via be arranged in refrigerating chamber 1 and/or temperature-changing chamber 2 heat hand over air duct 50, to refrigerating chamber 1 and/ Or the gas in temperature-changing chamber 2 is cooled down.The lower section in refrigerating chamber 1 and/or temperature-changing chamber 2 is for example arranged in cooling end 10.
Heat exchange department 53 is arranged between air-supply passage 51 and return air channel 52, as spaced walls by overlapped air-supply Channel 51 is separated with return air channel 52.Heat exchange department 53 is formed by Heat Conduction Material, is preferably formed by the high material of heat conductivility, example Such as aluminium.Since heat exchange department 53 is formed by Heat Conduction Material, the gas of the high-temperature high-humidity flowed in return air channel 52, Heat exchange is carried out via the cooling gas flowed in heat exchange department 53 and air-supply passage 51, so that the gas of high-temperature high-humidity In moisture condensed on the heat-exchange surface of 52 side of return air channel of heat exchange department 53 and form moisture condensation face.For example, refrigerating chamber 1 Interior gas is entered via return air inlet in return air channel 52, is flowed from top to bottom in return air channel 52, is produced by cooling end 10 Raw cold air flows from the bottom up in air-supply passage 51, is transported in refrigerating chamber 1 via air outlet.That is, via The gas that return air inlet is flowed into return air channel 52 is relatively flowed with the cold air in air-supply passage 51, the two air-flows are opposite There is overlapped part on the direction of flowing, moisture condensation face is formed in the mutual part.
Condensation water recoverer 54 is set to the downstream side of return air channel 52, recycles the condensation water formed in moisture condensation face.Herein, Condensation water recoverer 54 for example may include the funnelform collection portion 541 for collecting condensation water;It is collected into collection portion 541 solidifying Dew is discharged to the drainpipe 542 outside refrigerator 100.
Fig. 3 is the front schematic view of the heat exchange department 53 of embodiment 1 shown in FIG. 1.Fig. 4 is embodiment party shown in FIG. 1 The schematic cross-sectional view of the heat exchange department 53 of formula 1.As shown in Figure 3 and Figure 4, vertically Y is configured heat exchange department 53, heat exchange department 53 heat-exchange surface 530 is corrugated surface made of multiple concave parts 531 and multiple lug bosses 532 are alternately arranged, heat-exchange surface 530 Concave part 531 and lug boss 532 be arranged to upwardly extend in the inclined sides of X relative to horizontal direction.That is, heat exchange From the horizontal by certain angle, which is not particularly limited for the concave part 531 in face 530 and the extending direction of lug boss 532, As long as being conducive to the angle of condensation water discharge, can be suitably set according to the material of heat-exchange surface 530.
In addition, Fig. 4 is the schematic cross-sectional view for the heat exchange department 53 for only showing Fig. 3, illustrate for convenience, setting is handed in heat The air-supply passage 51 and return air channel 52 for changing 53 both sides of portion do not illustrate in Fig. 4.As can be seen from FIG. 4, heat exchange department 53 has: The heat-exchange surface 530 of corrugated surface made of being alternately arranged as multiple concave parts 531 and multiple lug bosses 532;With setting in heat The baffle 534 of the side in exchange face 530, the leakage of the condensation water for preventing from flowing to side via concave part 531.
In addition, the multiple concave parts 531 and multiple lug bosses 532 of heat-exchange surface 530 prolong to same direction in parallel to each other It stretches.In heat exchange department 53 shown in Fig. 3, the downstream side of multiple concave parts 531 and multiple lug bosses 532 towards condensation flow is Lower left extends.
It is additionally provided in heat-exchange surface 530 and guides the condensation water flowed along concave part 531 to condensation water recoverer 54 Diversion trench 533.The diversion trench 533 is set on the heat-exchange surface 530 of 52 side of return air channel of heat exchange department 53, Ke Yitong It crosses and a part for the lug boss 532 of 52 side of return air channel of heat-exchange surface 530 is cut off and is formed.Heat shown in Fig. 3 is handed over It changes in face 530, diversion trench 533 is formed in hot friendship by cutting off a part for the end positioned at downstream side of lug boss 532 The left side and downside in face 530 are changed, but there is no restrictions for the forming position of diversion trench 533 and formation number, such as can also be in heat Multiple diversion trenches 533 are arranged in the middle part in exchange face 530.
In addition, as described above, baffle 534 is additionally provided with around heat-exchange surface 530, for preventing letting out for condensation water Dew.Baffle 534 can be for example arranged in the left and right sides of heat exchange department 53, and the heat exchange in return air channel 52 can also be arranged The concave part 531 in face 530 or the lower end side of lug boss 532, the height of baffle 534 are the lug boss of heat-exchange surface 530 It is more than 532 height.It is additionally provided with notch section 535 in the bottom of heat exchange department 53, the notch section 535 and condensation water recoverer 54 connect, and the condensation water flowed along baffle 534 is guided to condensation water recoverer 54.
It can further increase and change since the heat-exchange surface 530 of heat exchange department 53 is corrugated surface according to above structure Hot area reduces frosting degree.Also, as in the heat-exchange surface of corrugated surface 530 concave part 531 and lug boss 532 opposite It is upwardly extended in the inclined sides of horizontal direction X, therefore condensation water can be made quickly to be discharged, prevent condensation water from assembling in heat-exchange surface And freeze, it is ensured that refrigeration for refrigerator effect, additionally it is possible to prevent heat-exchange surface 530 from freezing, it is ensured that heat transfer effect.
Moreover, because only simply being changed on the basis of existing air duct and forming heat and hand over air duct 51 so that former Air duct variation is smaller, is arranged to multiple layers without by former air duct, and being added only in former air duct has corrugated surface, that is, heat-exchange surface Above-mentioned heat exchange department, therefore, there is no need to need as documents 1,2 in addition to increase except wet heat exchanger or full heat Devices such as exchanger etc., the influence to original ducting system is also smaller, can increase while ensureing that former air duct thickness does not increase Big heat exchange area reduces frosting degree, so as in the miniaturization in the air duct for realizing refrigerator, simplify the structure, manufacturing cost While attenuating, efficiently reduce the frosting degree of cooler, improve the refrigerating efficiency of cooler, and is conducive to the small of refrigerator entirety Type.
In addition, hydrophobic coating can also be formed on the heat-exchange surface 530 of 52 side of return air channel of heat exchange department 53, from And it can more easily collect the condensation water formed on heat-exchange surface 530.Further speed up the discharge of condensation water.
<Specific embodiment>
As a specific embodiment, heat-exchange surface 530 is formed by aluminium, multiple concave parts 531 of heat-exchange surface 530 and multiple Lug boss 532 and horizontal plane angulation are 45 degree or more, preferably 50 degree or more, are switched repeatedly in high temperature and humidity and refrigerator doors Under conditions of repeatedly, tested.As a result, it has been found that condensation water condenses and flows as quickly out in heat-exchange surface 530, do not find to coagulate Dew is the case where heat-exchange surface 530 congeals into ice.It can be seen that the refrigerator of the above structure of the present invention can efficiently reduce The frosting degree of cooler improves the refrigerating efficiency of cooler, and can improve heat-exchange surface while ensuring refrigeration effect Heat exchanger effectiveness and effect on moisture extraction.
(embodiment 2)
In the above embodiment 1, the multiple concave parts 531 and multiple lug bosses 532 of heat-exchange surface 530 are in parallel to each other Extend to same direction, and in present embodiment 2, the concave part 531A and lug boss of the part in heat-exchange surface 530 532A extends from the concave part 531B of another part and lug boss 532B towards different directions.
As shown in figure 5, heat-exchange surface 530 is divided into two regions in left and right, in left area, multiple concave part 531A Extend from upper left side towards lower right with lug boss 532A, in right area, multiple concave part 531B and lug boss 532B from Upper right side extends towards lower left.Due to the part in heat-exchange surface 530 concave part 531A and lug boss 532A with it is another Partial concave part 531B and lug boss 532B extends towards different directions, therefore, has in the near middle of heat-exchange surface 530 The cross part of fluted portion 531A and concave part 531B and lug boss 532A and lug boss 532B.It, will be convex near the cross part The part removal of portion 532A and lug boss 532B is played, and forms diversion trench 533.
According to the above structure of embodiment of the present invention 2, technique effect same as embodiment 1 can be obtained.
(additional things)
The heat of the present invention hands over the size and cross sectional shape of air-supply passage and return air channel in air duct to be not particularly limited, can With the size and cross sectional shape according to existing air duct come appropriately designed, for example, air-supply passage and return air channel can be difference Size and cross sectional shape, cross sectional shape may be rectangle, triangle or sector etc..
In the heat of the present invention hands over air duct, multiple cooling wings can also be set along gas flow direction in return air channel Piece, so as to further promote the heat exchange of the gas in the gas and air-supply passage in return air channel.
In the present invention, directly condensation water can also be guided to the drip tray of cooler by drainpipe.Pass through as a result, Using the drip tray of existing cooler, unwanted condensation water can be stored, to prevent condensation water frosting on cooler.
In the case where the top in compartment is arranged in cooling end, the gas in air-supply passage flows from top to bottom, and return air is logical Gas in road flows from the bottom up.
Only it is to list specific implementation mode, wherein the structure of each component, connection side in the explanation of the above embodiment All it's not limited to that for formula etc., and every equivalents carried out based on the technical solution of the present invention and improvement should not arrange In addition in protection scope of the present invention.

Claims (8)

1. a kind of refrigerator comprising:Generate the cooling end of cooling gas;With at least one compartment in the refrigerator into The air duct of promoting the circulation of qi body circulation, the refrigerator are characterized in that:
At least part in the air duct is to carry out the heat friendship air duct of heat exchange, and the heat hands over air duct to have:
Air-supply passage, at least one compartment cooling gas generated by the cooling end being transported in the refrigerator;
At least one indoor gas is sent back to the cooling end by return air channel, mutually not with the air-supply passage It communicates;
The heat is handed over air duct to separate as two layers by heat exchange department, wherein one layer constitutes the air-supply passage, another layer of composition The return air channel, the heat exchange department are formed by Heat Conduction Material, in the gas in the air-supply passage and the return air channel Gas via the heat exchange department carry out heat exchange;With
Condensation water recoverer is set to the downstream side of the return air channel, recycles on the heat-exchange surface of the heat exchange department The condensation water of formation,
The heat-exchange surface of the heat exchange department is corrugated surface made of multiple concave parts and multiple lug bosses are alternately arranged, institute The concave part and the lug boss for stating heat-exchange surface are upwardly extended in inclined side relative to horizontal direction.
2. refrigerator as described in claim 1, it is characterised in that:
The multiple concave parts and multiple lug bosses of the heat-exchange surface extend to same direction in parallel to each other.
3. refrigerator as claimed in claim 1 or 2, it is characterised in that:
The heat hands over air duct also to have and guides the condensation water flowed along the concave part of the heat-exchange surface to institute State the diversion trench of condensation water recovery unit.
4. refrigerator as claimed in claim 3, it is characterised in that:
The diversion trench is formed by cutting off a part for the lug boss of the heat-exchange surface.
5. refrigerator as claimed in claim 1 or 2, it is characterised in that:
The gear of the height for the lug boss that height is the heat-exchange surface or more is provided with around the heat exchange unit Plate.
6. refrigerator as claimed in claim 1 or 2, it is characterised in that:
It is to be arranged in part or all of indoor air duct of refrigerating chamber and/or alternating temperature of the refrigerator that the heat, which hands over air duct,.
7. refrigerator as claimed in claim 1 or 2, it is characterised in that:
The return air channel in heat friendship air duct is positioned close to the side of the compartment.
8. refrigerator as claimed in claim 1 or 2, it is characterised in that:
It is provided with hydrophobic coating on the heat-exchange surface.
CN201710044945.7A 2017-01-20 2017-01-20 Refrigerator Pending CN108332487A (en)

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Application Number Priority Date Filing Date Title
CN201710044945.7A CN108332487A (en) 2017-01-20 2017-01-20 Refrigerator

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Application Number Priority Date Filing Date Title
CN201710044945.7A CN108332487A (en) 2017-01-20 2017-01-20 Refrigerator

Publications (1)

Publication Number Publication Date
CN108332487A true CN108332487A (en) 2018-07-27

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108917230A (en) * 2018-08-02 2018-11-30 安徽康佳同创电器有限公司 A kind of heat exchanger apparatus
CN109764604A (en) * 2018-12-17 2019-05-17 合肥美的电冰箱有限公司 Refrigerator air -return duct component and refrigerator
CN111854265A (en) * 2019-04-30 2020-10-30 松下电器研究开发(苏州)有限公司 Refrigerator and control method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5497634A (en) * 1993-02-26 1996-03-12 Kabushiki Kaisha Toshiba Refrigerator with heat exchanger optimally configured
TW201617576A (en) * 2014-11-12 2016-05-16 Matsushita Electric Tw Co Ltd Refrigerator
CN106030234A (en) * 2014-02-27 2016-10-12 株式会社神户制钢所 Base panel material for use an heat exchange plate and method for manufacturing such base panel material

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5497634A (en) * 1993-02-26 1996-03-12 Kabushiki Kaisha Toshiba Refrigerator with heat exchanger optimally configured
CN106030234A (en) * 2014-02-27 2016-10-12 株式会社神户制钢所 Base panel material for use an heat exchange plate and method for manufacturing such base panel material
TW201617576A (en) * 2014-11-12 2016-05-16 Matsushita Electric Tw Co Ltd Refrigerator

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
陈海泉: "《船舶辅机》", 30 November 2016, 大连海事大学出版社 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108917230A (en) * 2018-08-02 2018-11-30 安徽康佳同创电器有限公司 A kind of heat exchanger apparatus
CN109764604A (en) * 2018-12-17 2019-05-17 合肥美的电冰箱有限公司 Refrigerator air -return duct component and refrigerator
CN111854265A (en) * 2019-04-30 2020-10-30 松下电器研究开发(苏州)有限公司 Refrigerator and control method thereof
CN111854265B (en) * 2019-04-30 2022-06-14 松下电器研究开发(苏州)有限公司 Refrigerator and control method thereof

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Application publication date: 20180727