CN106052249A

CN106052249A - Refrigerator and heat exchanger used therein

Info

Publication number: CN106052249A
Application number: CN201511020610.9A
Authority: CN
Inventors: 金辉中; 崔皓; 朴载翊; 张元准
Original assignee: Samsung Electronics Co Ltd
Current assignee: Samsung Electronics Co Ltd
Priority date: 2015-04-01
Filing date: 2015-12-30
Publication date: 2016-10-26
Also published as: EP3076107A1; US20160290689A1; KR20160117937A

Abstract

A refrigerator includes: a body; a storage compartment formed in the body; and a cold air generating unit installed in the storage compartment and including a heat exchanger for generating cold air, wherein the heat exchanger includes: a tube, which forms a heat-exchanging space and extends in one direction and in which a refrigerant flows; heat-exchanging fins disposed to be in contact with the tube in the heat-exchanging space; headers connected to one side and the other side of the tube, respectively; and a refrigerant pipe connected to the headers so that the refrigerant is introduced into/discharged from the tube, and a plurality of flow paths on which the refrigerant flows, are formed in the tube.

Description

Refrigerator and the heat exchanger wherein used

Technical field

Embodiment of the present disclosure relates to the heat exchange with the improved structure that can improve heat exchanger effectiveness Device and include the refrigerator of this heat exchanger.

Background technology

Generally, the cold air produced in vaporizer is supplied to storeroom by refrigerator, keeps various for a long time Food is fresh, and preserves food.The storeroom of refrigerator is divided into cold room and refrigerating chamber, the temperature of cold room Maintaining about 3 DEG C and keep food cold storage, the temperature of refrigerating chamber maintains about-20 DEG C and protects in household freezer Suffer from indigestion thing.

Refrigerator repeats cooling circulation, and wherein cryogen utilizes compressor, condenser, expansion device and evaporation Device and compressed, condensed, expanded and evaporated.Generally, vaporizer is arranged in storeroom, at storeroom Middle heat exchange also produces cold air.So, owing to vaporizer is arranged in storeroom, so working as vaporizer Volume big time, storage space reduce, or with heat-barrier material fill inner shell and shell between space Volume reduce, thus produce energy loss.

Summary of the invention

Therefore, an aspect of this disclosure is to provide and has the changing of heat exchanger effectiveness that can improve vaporizer Enter the refrigerator of structure.

Another aspect of the disclosure is to provide a kind of refrigerator, even if this refrigerator has is being arranged on storeroom In the volume hour of vaporizer also be able to improve the improved structure of heat exchanger effectiveness.

The extra aspect of the disclosure will partly be illustrated in the following description, and will be partly from this Describe and be apparent from, or can be known by the practice of the disclosure.

According to an aspect of this disclosure, a kind of refrigerator includes: main body；Storeroom, is formed in main body； And cold air generation unit, it is arranged in storeroom and includes the heat exchanger for producing cold air, Wherein heat exchanger may include that pipe, and it forms heat exchange space and extends in one direction and cause Cryogen flows wherein；Heat exchange fin, is set to contact described pipe in heat exchange space；Collector (header) side and the opposite side of pipe, it are connected respectively to；And refrigerant tube, it is connected to collector and makes Cryogen is introduced in pipe/goes out from this bank of tubes, and multiple flow paths that cryogen flows over can be with shape Become in the tube.

Pipe may include that multiple contact portion, and it extends contiguously with heat exchange fin and is set to put down each other OK；And coupling part, it is set to bending shape thus connects the plurality of contact portion.

Pipe could be arranged to heat exchange fin contiguously around heat exchange fin.

Collector may include that the first collector, is connected to introduce refrigerant tube, and cryogen is introduced into by it In this pipe；Second collector, is connected to discharge refrigerant tube, and cryogen is gone out from this bank of tubes by it, this pipe Downside can be connected to the first collector, the upside of this pipe may be coupled to the second collector.

Heat exchange fin can include the most acclivitous first inclined plane and tilt from first Face extends and the second the most downward-sloping inclined plane, multiple first inclined planes and multiple second Inclined plane is coupled to each other, wherein first direction be wherein heat exchange fin along described pipe contact portion extend Direction.

Multiple grooves can be formed in heat exchange fin.

Heat exchange fin can have shape that wherein they are repeatedly bent thus contact the face of contact portion Inner surface to heat exchange space.

Heat exchange fin may include that the first heat exchange fin, is arranged on the upper part in heat exchange space；With Two heat exchange fins, are arranged on the lower part of the first heat exchange fin, when viewed from above, the second heat exchange Fin could be arranged to intersect the first heat exchange fin.

Heat exchange fin may include that the first heat exchange fin, is arranged on the upper part in heat exchange space；With Two heat exchange fins, are arranged on the lower part of the first heat exchange fin, the portion that wherein the second heat exchange fin is bent Distance between/can be more than the distance between the part that wherein the first heat exchange fin is bent.

According to another aspect of the present disclosure, a kind of heat exchanger includes: pipe, cryogen is movable within also And this pipe by repeatedly bending and extends in one direction；Heat exchange fin, be set to by this circumference of cannon bone around and with This pipe contacts；Collector, is connected respectively to side and the opposite side of this pipe；And refrigerant tube, it is connected to Collector makes cryogen be introduced in this pipe/go out from this bank of tubes, and this pipe can include multiple contact portion and company Connecing part, the plurality of contact portion extends contiguously with heat exchange fin and is set to parallel to each other, this connection Part is set to bending shape thus connects the plurality of contact portion.

This pipe could be arranged to the multi-channel tube with multiple flow paths that cryogen moves thereon.

Collector may include that the first collector, is connected to introduce refrigerant tube, and cryogen is caused by this introducing Refrigerant tube its be introduced in this pipe；With the second collector, being connected to discharge refrigerant tube, cryogen is by being somebody's turn to do Discharging refrigerant tube to go out from this bank of tubes, the downside of this pipe can be connected to the first collector, and the upside of this pipe can To be connected to the second collector.

Heat exchange fin can include the most acclivitous first inclined plane and tilt from first Face extends and the second the most downward-sloping inclined plane, multiple first inclined planes and multiple second Inclined plane can be connected to each other, wherein first direction be wherein heat exchange fin along the contact site of described pipe Divide the direction extended.

Multiple grooves can be formed in the first inclined plane and second inclined plane of heat exchange fin.

Heat exchange fin can have shape that wherein they are repeatedly bent thus with contact portion faced by The inner surface contact in heat exchange space.

Distance between the part that second heat exchange fin is bent can be more than wherein the first heat exchange fin quilt Distance between the part of bending.

Accompanying drawing explanation

From below in conjunction with the accompanying drawing description to embodiment, these and/or other side of the disclosure will become Substantially and it is more readily appreciated that in accompanying drawing:

Fig. 1 is the perspective view of the outside illustrating the refrigerator according to embodiment of the present disclosure；

Fig. 2 is the sectional view of the schematic configuration illustrating the refrigerator shown in Fig. 1；

Fig. 3 is the perspective view of the heat exchanger of the refrigerator illustrating the Fig. 2 according to embodiment of the present disclosure；

Fig. 4 is the top view of the heat exchanger shown in Fig. 3；

Fig. 5 is the partial enlarged drawing of the structure of the pipe of the heat exchanger illustrating Fig. 3；

Fig. 6 is the view of the heat exchange fin that the heat exchanger of Fig. 3 includes；

Fig. 7 is the view of the moving direction of the cryogen in the heat exchanger illustrating Fig. 3；

Fig. 8 is the view of the heat exchanger illustrating another embodiment according to the disclosure；And

Fig. 9 and 10 is the view of the moving direction of the cryogen in the heat exchanger illustrating Fig. 8.

Detailed description of the invention

Reference will now be made in detail to now embodiment of the present disclosure, its example is shown in the drawings, the most identical Reference refers to identical element all the time.

Below, the exemplary embodiment of the disclosure it is more fully described with reference to the accompanying drawings.

Fig. 1 is the perspective view of the outside illustrating the refrigerator according to embodiment of the present disclosure, and Fig. 2 is to illustrate The sectional view of the schematic configuration of the refrigerator shown in Fig. 1.

Seeing figures.1.and.2, refrigerator 1 can include main body 10, storeroom 20 and door 30.

Main body 10 includes shell 11 and inner shell 13.Shell 11 forms the outside of main body 10.Shell 11 Can be formed by the metal material with excellent durability and excellent aesthetic feeling.

Inner shell 13 is arranged at the inner surface of shell 11.Inner shell 13 forms the outside of storeroom 20.In Shell 13 can utilize plastic material injection mo(u)lding for monolithic entity.Space between inner shell 13 and shell 11 Can fill with heat-barrier material 19 thus prevent the cold air in storeroom 20 from discharging.

Storeroom 20 is arranged so that the front side of storeroom 20 is opened wide, and food is by before storeroom 20 Side is placed into storeroom 20 or takes out from storeroom 20.According to embodiment, storeroom 20 can be in order to It is separated into multiple storeroom 20 with partition wall 17.

Storeroom 20 can include the first storeroom 21 and the second storeroom 23.First storeroom 21 He Second storeroom 23 can utilize partition wall 17 to separate.As it is shown in figure 1, the first storeroom 21 is permissible Being arranged on partition wall 17, the second storeroom 23 can be arranged on partition wall 17 times.

Storeroom 20 can include cold room and refrigerating chamber.According to the type of refrigerator, the first storeroom 21 Can be provided as refrigerating chamber, the second storeroom 23 can be provided as cold room.Demonstration according to the disclosure The refrigerator 1 of property embodiment can be provided as freezing (TMF) type refrigerator, wherein provides as refrigerating chamber The first storeroom 21 be positioned at offer as on the second storeroom 23 of cold room.Refrigerating chamber can maintain At about-20 DEG C, cold room can maintain about 3 DEG C.Refrigerating chamber and cold room can utilize partition wall 17 It is isolated from each other.

Shelf 25 can be arranged in storeroom 20.Shelf 25 is provided to support and is saved in storeroom Food in 20.Multiple shelves 25 can be provided in each storeroom 20.The plurality of shelf 25 Can be provided as could attach to storeroom 20/ can pull down from storeroom 20.

As in figure 2 it is shown, tank 27 can be provided in storeroom 20.Tank 27 is permissible It is provided as box form.Tank 27 can provide so that food can be stored in tank 27 Sealing inner space in.

Storeroom 20 is by 30 dozens of opening/closing of door.Door 30 is rotationally coupled to main body 10 thus opens The front side opened wide of/closedown storeroom 20.First storeroom 21 and the second storeroom 23 are by rotatable Be connected to first 31 and second 33 dozens of opening/closing of main body 10.

Door shield (door guard) 35 can be arranged in door 30 thus door shield 35 rear side hold Receive food.Multiple door shield 35 can be provided.

Refrigerator 1 can also include Machine Room 40.Machine Room 40 can be formed in the lower part of main body 10. Specifically, Machine Room 40 can be formed at the rear portion of main body 10, arranges cold air generation unit wherein The space of the part-structure of 50 can be arranged in Machine Room 40.

Refrigerator 1 can also include cold air generation unit 50.

Cold air generation unit 50 can include compressor 51, condenser (not shown), expansion valve (not Illustrate) and vaporizer 53 and 60.When cryogen is along compressor 51, condenser (not shown), swollen When swollen valve (not shown) and vaporizer 53 and 60 circulate and compressed, condense, expand and evaporate, cold The freeze cycle of air generation unit 50 can be driven.

Cryogen is compressed at high pressure height, then moves to condenser.The cryogen of High Temperature High Pressure passes through Condenser is condensed into liquid.The pressure and temperature of the cryogen of the liquid of condensation reduces at expansion valve. Expansion valve can be provided as capillary tube.Through the cryogen of low-temp low-pressure of expansion valve due to from surrounding air Band becomes popular and passes through vaporizer 53 and 60 evaporation the air heat exchange with surrounding.Therefore, vaporizer 53 With the gas around 60 is cooled, therefore produce cold air.The cryogen evaporated fully is supplied again Compressor 51 should be arrived so that freeze cycle is circulated.Freeze cycle described above is circulated so that cold Air produces in storeroom 21 and 23 continuously.

Compressor 51 and condenser may be mounted in Machine Room 40.Vaporizer 53 and 60 can be installed In storeroom 20.Vaporizer 53 and 60 can be separately mounted to the first storeroom 21 and the second storage Hide in room 23.In fig. 2, for convenience of description, general vaporizer 53 is arranged on the first storage In room 21, it is arranged on the second storeroom 23 according to the vaporizer 60 of the exemplary embodiment of the disclosure In.Unlike this, can also be respectively mounted according to the vaporizer 60 of the exemplary embodiment of the disclosure In the first storeroom 21 and the second storeroom 23.

As in figure 2 it is shown, cold air generation unit 50 can also include being arranged in the first storeroom 21 First evaporator shield 54 and the first aerator 55.First evaporator shield 54 may be mounted at the first storeroom In 21 install vaporizer 53 before, it is possible to the first storeroom 21 is divided into storage space and It is provided with the space of vaporizer 53.First aerator 55 may be mounted in the first evaporator shield 54 Upper part at vaporizer 53, it is possible to make in the vaporizer 53 in the first storeroom 21 produce cold Air circulates.

The vaporizer 60 of the exemplary embodiment according to the disclosure may be mounted at the second storeroom 23 In.Below, for convenience's sake, will be write according to the vaporizer of the exemplary embodiment of the disclosure For heat exchanger 60 and will be described.

Cold air generation unit 50 can also include the second evaporator shield being arranged in the second storeroom 23 57 and second aerator 58.Second evaporator shield 57 may be mounted at installation in the second storeroom 23 Before heat exchanger 60.Second storeroom 23 can be divided into storage sky by the second evaporator shield 57 Between and the space of heat exchanger 60 is set wherein.Owing to heat exchanger 60 can be formed as having ratio one As the little volume of vaporizer 53, wherein second steam so the second evaporator shield 57 could be arranged to have Send out the part in the face of heat exchanger 60 of device cover 57 by recurvate shape.Air introduction part 57a Can be formed in the lower part of the second evaporator shield 57.Additionally, multiple cold airs discharge part 57b Can be formed in the second evaporator shield 57.The plurality of cold air is discharged part 57b and can be formed at At differing heights.

Second aerator 58 can be arranged on after the second evaporator shield 57.Second aerator 58 can Move forward so that the cold air produced in heat exchanger 60 discharges part 57b by cold air.Second Aerator 58 can be arranged on the upper part of heat exchanger 60, as shown in Figure 2.Unlike this, second Aerator 58 can also be arranged on the lower part of heat exchanger 60.

Below, will be described in the heat exchanger 60 of the exemplary embodiment according to the disclosure.

Fig. 3 is the perspective view of the heat exchanger of the refrigerator illustrating the Fig. 2 according to embodiment of the present disclosure, Fig. 4 is the top view of the heat exchanger shown in Fig. 3, and Fig. 5 is the pipe of the heat exchanger illustrating Fig. 3 The partial enlarged drawing of structure, Fig. 6 is the view of the heat exchange fin that the heat exchanger of Fig. 3 includes.

With reference to Fig. 2 to Fig. 6, heat exchanger 60 can include pipe 61, heat exchange fin 63 and collector (header)65。

Pipe 61 can be so that cryogen can flow in pipe 61 and can be with the side of extraneous air heat exchange Formula is arranged.As it is shown in figure 5, pipe 61 can include multiple flow paths that cryogen is moved through.Cause Multiple passage 61a that cryogen can move thereon can be formed in pipe 61.Pipe 61 can include tool There is the material of high heat conductance so that heat exchange between cryogen and the extraneous air of movement in pipe 61 Can easily carry out.Pipe 61 can include aluminum.

Pipe 61 could be arranged to repeatedly be bent and extend in one direction.Pipe 61 can be a side Upwardly extend, concurrently form heat exchange space 61b.Pipe 61 could be arranged to contact with heat exchange fin 63 Ground is around heat exchange fin 63.

Pipe 61 may include that multiple contact portion 61c, and it extends contiguously with heat exchange fin 63 and sets It is set to parallel to each other；With coupling part 61d, it is set to bending shape thus connects the plurality of contact site Divide 61c.Contact portion 61c could be arranged to have the writing board shape extended in one direction.Such as figure Shown in 3, contact portion 61c could be arranged to parallel to each other.

Heat exchange fin 63 could be arranged to contact pipe 61 thus transfers heat to pipe 61.Heat exchange fin 63 can Be set to by pipe 61 around and contact pipe 61.Heat exchange fin 63 could be arranged in heat exchange space 61b contacts pipe 61.

Heat exchange fin 63 could be arranged to have the shape that wherein they are repeatedly bent.As shown in Figure 6, Heat exchange fin 63 can include the most acclivitous first inclined plane 63d and incline from first Inclined-plane 63d extends and the second the most downward-sloping inclined plane 63e.Here, first direction It is defined as the direction that wherein heat exchange fin 63 extends along contact portion 61c of pipe 61.Heat exchange fin 63 Could be arranged to zigzag shape, plurality of first inclined plane 63d and multiple second inclined plane 63e that This couples.Unlike this, heat exchange fin 63 can be formed as having variously-shaped thus increase outside contact The area of portion's air.Heat exchange fin 63 can be so that wherein the first inclined plane 63d and the second inclined plane 63e is connected to each other and the part that is bent contacts with the inner surface of contact portion 61c and at cryogen and The mode producing heat exchange between extraneous air is installed.

As shown in Figure 6, multiple groove 63c can be formed in heat exchange fin 63.The plurality of groove 63c can be respectively formed in the first inclined plane 63d and second inclined plane 63e of heat exchange fin 63, makes The area of the ingress of air obtaining heat exchange fin 63 can increase.Groove 63c could be arranged to have various Shape so that the contact area between heat exchange fin 63 and air can increase.

As it is shown in figure 5, heat exchange fin 63 can include the first heat exchange fin 63a and the second heat exchange fin 63b.First heat exchange fin 63a can be arranged on the top of the second heat exchange fin 63b of heat exchanger 60 Point.When viewed from above, the first heat exchange fin 63a and the second heat exchange fin 63b could be arranged to that This intersects.First heat exchange fin 63a and the second heat exchange fin 63b could be arranged to be of similar shape And it is intersected with each other.Unlike this, the first heat exchange fin 63a and the second heat exchange fin 63b could be arranged to There is different shapes.Although it is not shown, be arranged on the second heat of the lower part of heat exchanger 60 Exchange fin 63b can be so that part that wherein the first inclined plane 63d and the second inclined plane 63e are bent Between distance more than the mode shape of the distance between the part that wherein the first heat exchange fin 63a is bent Become.Therefore, the melt water produced in heat exchanger 60 moves down and freezes, such that it is able to prevent heat Swapace 61b is closed.

Collector 65 can be connected respectively to side and the opposite side of pipe 61.Collector 65 can include connecting To the first collector 65a of side of the lower part being arranged on heat exchanger 60 of pipe 61 be connected to pipe 61 The second collector 65b of side of the upper part being arranged on heat exchanger 60.

First collector 65a may be coupled to introduce refrigerant tube 71, and cryogen passes through this introducing refrigerant tube 71 are introduced in pipe 61.First collector 65a can be connected respectively to introduce refrigerant tube 71 and pipe 61, Make the cryogen from introducing refrigerant tube 71 introducing can move to pipe 61.

Second collector 65b may be coupled to discharge refrigerant tube 72, and cryogen passes through this discharge refrigerant tube 72 discharge from pipe 61.Second collector 65b can be connected respectively to pipe 61 and discharge refrigerant tube 72, Make the cryogen discharged from pipe 61 can move to discharge refrigerant tube 72.

As it has been described above, heat exchanger 60 may be configured such that a pipe 61 extends from the first collector 65a Move on identical moving direction to the second collector 65b and cryogen.Below, refrigeration will be described Agent movement in heat exchanger 60.

Fig. 7 is the view of the moving direction of the cryogen in the heat exchanger illustrating Fig. 3.

With reference to Fig. 7, cryogen and can be able to move through the first collector 65a from introducing refrigerant tube 71 To pipe 61.Cryogen at liquid or gaseous state is introduced into pipe 61, moves along pipe 61 and due to from outside empty After the band of gas becomes popular and evaporates, the cryogen of gaseous state can move to discharge refrigerant tube 72.Due to refrigeration The pipe 61 that agent moves to is formed by the material with excellent thermal conductivity with the heat exchange fin 63 contacting pipe 61, So when heat is delivered to cryogen by contact extraneous air, can produce around heat exchanger 60 Raw food air.The cryogen of evaporation can be moved along pipe 61 and can be moved to by the second collector 65b Discharge refrigerant tube 72.Cryogen can when heat exchanger 60 is arranged in storeroom 20 from The lower part of heat exchanger 60 moves to its upper part, it is possible to air heat exchange.

The heat exchanger 60 of the exemplary embodiment according to the disclosure can improve due to said structure Heat exchanger effectiveness.Therefore, compared with conventional heat exchanger, even if the volume of heat exchanger 60 reduces, Identical heat exchanger effectiveness can also be obtained.

Below, the disclosure provides the heat exchanger of another embodiment according to the disclosure.

Fig. 8 is the view of the heat exchanger illustrating another embodiment according to the disclosure, Fig. 9 and Figure 10 It it is the view of the moving direction of cryogen in the heat exchanger illustrating Fig. 8.

With reference to Fig. 8 to Figure 10, heat exchanger 80 can include pipe 81, heat exchange fin 83, collector 85, Introduce refrigerant tube 71 and discharge refrigerant tube 72.Compared with the heat exchanger 60 of Fig. 3, Fig. 8 is extremely Heat exchanger 80 shown in 10 has pipe 81 and the different structure of collector 85, its of heat exchanger 80 Remaining structure is identical with heat exchanger 60.Below, the heat friendship of heat exchanger 80 and Fig. 3 will only be described The structure that parallel operation 60 is different, will omit mutually isostructural description.

Pipe 81 can be by so that arranging in cryogen inflow pipe 81 and in the way of extraneous air heat exchange. Pipe 81 can include the material with high heat conductance so that flowing into the cryogen in pipe 81 can be easily With extraneous air heat exchange.Pipe 81 can include aluminum.Although it is not shown, cryogen is permissible The multiple passages moved thereon can be formed in pipe 81.

Multiple pipes 81 can be provided, it is possible to is installed as parallel to each other.The plurality of pipe 81 can be joined It is set to connect the first collector 85a and the second collector 85b.As shown in Figure 10, pipe 81 can include first Pipe 81a and the second pipe 81b, the second pipe 81b are installed as and the first spaced apart preset distance of pipe 81a.The One pipe 81a and the second pipe 81b can form heat transfer space 81c.Heat exchange fin 83 can be arranged on heat In transmission space 81c.When viewed from above, described many including the first pipe 81a and the second pipe 81b Individual pipe 81 can be disposed therein the position that pipe 81 overlaps each other.The plurality of pipe of heat exchanger 80 81 can be provided as separate flow path.

First collector 85a and the second collector 85b can be formed as cylinder form so that the plurality of pipe 81 can be connected respectively to the first collector 85a and the second collector 85b.First collector 85a and the second collector 85b could be arranged to parallel to each other.

As shown in Figure 9 and Figure 10, in heat exchanger 80, cryogen can be from introducing refrigerant tube 71 Through the first collector 85a, it is possible to move to pipe 81.Cryogen at liquid or gaseous state be introduced into pipe 81, After moving along pipe 81 and evaporating owing to becoming popular from extraneous air band, the cryogen of gaseous state can move To discharging refrigerant tube 72.The pipe 81 moved to due to cryogen and the heat exchange fin 83 contacting pipe 81 Formed by the material with excellent thermal conductivity, so when heat is delivered to cryogen by contact extraneous air Time, cold air can be produced around heat exchanger 80.The cryogen of evaporation can move along pipe 81, And can move to discharge refrigerant tube 72 by the second collector 85b.

As it has been described above, in the refrigerator according to one or more above exemplary embodiment, it is possible to increase The cooling effectiveness of refrigerator.

Additionally, due to be used as the improvement structure of the heat exchanger of vaporizer, even if when the volume of vaporizer is little Time, it is also possible to improve heat exchanger effectiveness.

Detailed description above is merely to illustrate the disclosure.Additionally, the demonstration of the foregoing explanation disclosure Property embodiment, the disclosure can use with various different combinations, change and environment.It is to say, The disclosure can be in disclosed in this manual scope of the disclosure, in equivalency range disclosed above In and/or be modified or revise in the range of the technology or knowledge of this area.Above embodiments describe For realizing the best mode of the technical spirit of the disclosure, and can in the concrete application of the disclosure and Change in every way in using.Therefore, detailed description above is not intended to be limited in the disclosure disclosed Embodiment.Additionally, claims should be interpreted as including other embodiment.

Although it has been shown and described that several embodiments of the disclosure, but those skilled in the art will Understand, the principle without departing from the disclosure and spirit can be changed in these embodiments, this Scope of disclosure limits in claims and equivalent thereof.

Claims

1. a refrigerator, including:

Storeroom；With

Cold air generation unit, is arranged in described storeroom and includes the heat exchange for producing cold air Device, described heat exchanger includes:

Pipe, forms heat exchange space and has multiple flow path wherein, and cryogen is the plurality of Flow path flows；

Heat exchange fin, contacts with described pipe in described heat exchange space；

Collector, is connected respectively to side and the opposite side of described pipe；

Introduce refrigerant tube, be connected to described collector to be incorporated in described pipe by described cryogen； And

Discharge refrigerant tube, be connected to described collector to go out described cryogen from described bank of tubes.

2. refrigerator as claimed in claim 1, wherein pipe includes:

Multiple contact portions, extend contiguously with described heat exchange fin and are set to parallel to each other；With

Coupling part, is set to bending shape thus connects the plurality of contact portion.

3. refrigerator as claimed in claim 1, wherein said circumference of cannon bone is handed over around the described heat contacted with described pipe Change fin.

4. refrigerator as claimed in claim 1, wherein

Described collector includes: the first collector, is connected to described introducing refrigerant tube；With the second collector, connect Receive described discharge refrigerant tube,

The downside of described pipe is connected to described first collector, and

The upside of described pipe is connected to described second collector.

5. refrigerator as claimed in claim 1, wherein

Described heat exchange fin includes the most acclivitous first inclined plane and from described first Inclined plane extends and the second the most downward-sloping inclined plane, wherein said first direction It is the wherein said heat exchange fin direction along the contact portion extension of described pipe, and

Multiple first inclined planes and multiple second inclined plane are coupled to each other.

6. refrigerator as claimed in claim 1, plurality of groove is formed in described heat exchange fin.

7. refrigerator as claimed in claim 2, wherein said heat exchange fin have wherein they in described heat Quilt at the part that the inner surface in the face of described heat exchange space with described contact portion of exchange fin contacts The shape repeatedly bent.

8. refrigerator as claimed in claim 7, wherein said heat exchange fin includes:

First heat exchange fin, is arranged on the upper part in described heat exchange space；With

Second heat exchange fin, is arranged on the lower part of described first heat exchange fin,

When viewed from above, described second heat exchange fin is set to intersect described first heat exchange fin.

9. refrigerator as claimed in claim 7, wherein said heat exchange fin includes:

Wherein, the distance between the part that described second heat exchange fin is bent is more than described first heat exchange Distance between the part that fin is bent.

10. a heat exchanger, including:

Pipe, cryogen is movable within, and described pipe is repeatedly bent；

Heat exchange fin, by described circumference of cannon bone around and contact with described pipe；

Introduce refrigerant tube, be connected to described collector to be introduced in described pipe by described cryogen；And

Discharge refrigerant tube, be connected to described collector to go out described cryogen from described bank of tubes,

Described pipe includes multiple contact portion and coupling part, the plurality of contact portion and described heat exchange fin Extending contiguously and be set to parallel to each other, this coupling part is set to bending shape thus connects described many Individual contact portion.

11. heat exchangers as claimed in claim 10, wherein said pipe is set to have described cryogen The multi-channel tube of the multiple flow paths moved thereon.

12. heat exchangers as claimed in claim 10, wherein said collector includes: the first collector, even Receive described introducing refrigerant tube；With the second collector, it is connected to described discharging refrigerant pipe,

The downside of described pipe is connected to described first collector, and

The upside of described pipe is connected to described second collector.

13. heat exchangers as claimed in claim 10, wherein

14. heat exchangers as claimed in claim 13, plurality of groove is formed at described heat exchange fin Described first inclined plane and described second inclined plane in.

15. heat exchangers as claimed in claim 10, wherein said heat exchange fin has wherein they quilts The shape that repeatedly bends thus contact with the inner surface in the face of heat exchange space of described contact portion.