CN110763069B

CN110763069B - Fin, heat exchanger, heat exchange system, air conditioner and household appliance

Info

Publication number: CN110763069B
Application number: CN201911101833.6A
Authority: CN
Inventors: 王银春; 吴庆文; 倪雪辉; 侯纪波; 胡涛; 黄起建
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2021-02-26
Anticipated expiration: 2039-11-12
Also published as: CN110763069A

Abstract

The invention provides a fin, a heat exchanger, a heat exchange system, an air conditioner and a household appliance. The fin comprises a fin body and a fin distance top platform, wherein the fin body is provided with an inserting through hole, the fin distance top platform protrudes from the surface side of the fin body, and the fin distance top platform is provided with a top part far away from the fin body; the fin pitch top platform extends to the top from the surface side, turns over and extends to the fin body to be abutted against the fin body. The heat exchanger includes the fin, and heat transfer system includes the heat exchanger, and air conditioner and domestic appliance include heat transfer system. The piece is rolled over to the fin body and is in fin body butt after extending to the top earlier to piece apart from the top platform, and piece is bilayer structure and improves anti deformability effectively apart from the top platform, and when the height of increase piece is apart from the top platform and is arranged in order to realize the large piece of fin, also can not produce the aversion because of piece apart from top platform deformation between two fins of mutual butt to guarantee the normal use of fin, guarantee the normal use of heat exchanger.

Description

Fin, heat exchanger, heat exchange system, air conditioner and household appliance

Technical Field

The invention relates to the technical field of air conditioning, in particular to a fin, a heat exchanger, a heat exchange system, an air conditioner and a household appliance.

Background

The heat exchanger has in the current air conditioner, be provided with a plurality of fins of arranging in succession and alternate the refrigerant nest of tubes between the fin in the heat exchanger, including fin body and follow the bellied piece apart from the top platform on the fin body on the fin, be equipped with the interlude through-hole that is used for supplying refrigerant pipe to pass on the fin body, after a plurality of fin stacks, the top of piece apart from the top platform then the butt to another fin body of fin on to make keep certain piece apart from in order to guarantee the heat transfer and change the frost effect between two adjacent fins.

Among the current fin, cut along shearing limit and through once buckling and form the piece apart from the top platform that the surface side of fin body extends to the top dorsad in the fin body, this piece is weak apart from top platform structure, when the piece distance between the fin needs to be increased and the height of piece apart from the top platform is increased, the intensity of piece apart from the top platform is not enough, and the relation of connection is unstable between a plurality of fins on the heat exchanger, influences the heat exchanger performance.

Disclosure of Invention

A first object of the present invention is to provide a fin suitable for large pitches.

A second object of the present invention is to provide a heat exchanger that improves connection stability.

A third object of the present invention is to provide a heat exchange system that improves connection stability.

A fourth object of the present invention is to provide an air conditioner that improves connection stability.

A fifth object of the present invention is to provide a home appliance improving connection stability.

The fin provided by the first purpose of the invention comprises a fin body and a fin distance top platform, wherein the fin body is provided with an inserting through hole, the fin distance top platform protrudes from the surface side of the fin body, and the fin distance top platform is provided with a top part far away from the fin body; the fin pitch top platform extends to the top from the surface side, turns over and extends to the fin body to be abutted against the fin body.

It is seen by above-mentioned scheme that, the piece is rolled over to turn over the fin body and is in fin body butt after extending to the top earlier to the top platform, and the piece is the bilayer structure and improves anti deformability effectively apart from the top platform, and when the height of increase piece is apart from the top platform was arranged in order to realize the large piece of fin, also can not produce the aversion because of piece apart from the deformation of top platform between two fins of mutual butt to guarantee the normal use of fin, guarantee the normal use of heat exchanger.

Further, the sheet is bent and extended from the top platform in an Jiong shape.

It is thus clear that at the top of piece apart from the top platform, piece apart from the top platform with a butt plane butt on the fin body of another fin, the area of increase butt face is concentrated and damage the fin body in order to avoid the atress, improves the life of fin and heat exchanger.

Further, the sheet is bent and extended in an inverted V shape from the top platform.

From the above, the triangle has better stability, and the piece distance top platform is bent in an inverted V shape, so that the deformation resistance of the piece distance top platform can be further improved.

Further, the fin body has a cutout hole formed by cutting out the chip pitch top land at a position adjacent to the chip pitch top land.

Therefore, the processing mode reduces the material use, reduces the processing difficulty and lightens the fin.

The fin body is provided with a fin body, and the fin body is provided with a fin top platform; in the width direction which is vertical to the extending direction and is vertical to the thickness direction of the film from the top table, the extending head end has a first width, and the top has a second width; the second width is greater than the first width.

It can be seen from above that, because the top is located the top of extending the head end and is located the below of cutting the hole on another fin body, the width that cuts the hole and just to locating with the top is unanimous with the first width that extends the head end, and the second width at top is greater than the first width that extends the head end in order to guarantee that the top has at least partly butt on the surface beyond cutting the hole on another fin body, avoids the cooperation inefficacy.

Further, the width of the sheet from the top platform is gradually reduced from the top to the extending tail end; the extending tail end penetrates through the shearing hole, and the fin body abuts against the inner circumferential surface of the shearing hole.

From top to bottom, buckle, turn over a book and insert the shearing hole with piece apart from the top platform after, accomplish the processing of piece apart from the top platform promptly when the relative both sides of shearing hole inner peripheral surface are supported to the both sides butt of piece apart from the top platform, this setting has reduced the size design degree of difficulty and the processing degree of difficulty of piece apart from the top platform processing under the prerequisite of the intensity of guaranteeing the piece apart from the top platform.

In a further aspect, the extended end has a third width, the third width being greater than the first width.

It can be seen from above that, because the piece is turned over the back and is extended terminal butt on the fin body of fin body apart from the top platform, extend terminal orientation and cut the hole on be close to the position that extends the head end, and the width that is close to the position that extends the head end on the hole is close with first width, and the third width that extends terminal is greater than the first width that extends the head end in order to guarantee to extend terminal at least some butt on the table side surface outside cutting the hole, avoids the cooperation inefficacy.

The further scheme is that the piece distance top platform is arranged between two adjacent penetrating through holes, and the thickness direction of the piece distance top platform is perpendicular to the connecting line direction of the two penetrating through holes.

Therefore, the thickness direction of the sheet distance top platform is vertical to the air flow direction, so that the blockage to the air flow is effectively reduced, and the heat exchange effect of the heat exchanger is ensured.

The further scheme is that one side of each penetrating through hole is provided with a piece distance jacking platform.

It is thus clear that this setting makes between two adjacent fins butt position arrange more evenly, improves the cooperation stability between two adjacent fins.

The fin further comprises an inserting peripheral wall, and the inserting peripheral wall protrudes from the surface side and surrounds the periphery of the inserting through hole.

Therefore, after the refrigerant pipe is inserted into the insertion through hole, the insertion peripheral wall positions the refrigerant pipe from the periphery, and the matching stability between the fin and the refrigerant pipe is improved.

The heat exchanger provided by the second object of the invention comprises fins, and the fins adopt the fins.

The heat exchange system provided by the third object of the invention comprises the heat exchanger, and the heat exchanger adopts the heat exchanger.

The air conditioner provided by the third object of the invention comprises a heat exchange system, and the heat exchanger adopts the heat exchange system.

The fourth purpose of the invention is to provide a household appliance which comprises a heat exchange system, wherein the heat exchanger adopts the heat exchange system.

Drawings

FIG. 1 is a block diagram of a first embodiment of the fin of the present invention.

Fig. 2 is a view showing a state of use of the first embodiment of the fin of the present invention.

FIG. 3 is a partial cross-sectional view of a first embodiment of the fin of the present invention taken along plane A-A.

FIG. 4 is a partial cross-sectional view at a shear hole in a first embodiment of a fin of the present invention.

FIG. 5 is a partial schematic view of the first embodiment of the fin of the present invention before being turned over from the top stage.

Fig. 6 is a structural view of a second embodiment of the fin of the present invention.

FIG. 7 is a partial cross-sectional view from a first perspective of a third embodiment of a fin of the present invention.

FIG. 8 is a partial cross-sectional view from a second perspective of a third embodiment of a fin according to the present invention.

FIG. 9 is a partial cross-sectional view of a fourth embodiment of a fin of the present invention.

Fig. 10 is a partial cross-sectional view of a fifth embodiment of a fin of the present invention.

Fig. 11 is a partial cross-sectional view of a sixth embodiment of a fin of the present invention.

Detailed Description

First embodiment of Fin

The household appliances provided by the invention are internally provided with heat exchange systems, the household appliances can be air conditioners, refrigerators, electric warming ovens, washing machines with drying functions and the like, the heat exchange systems are provided with heat exchangers, and the heat exchangers are internally provided with a plurality of fins which are continuously arranged and refrigerant pipe groups which are inserted among the fins. Referring to fig. 1 and 2, fig. 1 is a structural view of a first embodiment of the fin of the present invention, and fig. 2 is a view illustrating a state of use of the first embodiment of the fin of the present invention. The fin comprises a fin body 1, a fin pitch top platform 2 protruding from the fin body 1 and an insertion peripheral wall 12. Fin body 1 is long and thin lamellar body, and fin body 1 all is provided with a plurality of interlude through-holes 11 in the left and right sides on length extending direction (x axle direction), and on fin body 1's length extending direction, continuous "Z" shape is arranged between a plurality of interlude through-holes 11. The insertion through hole 11 is formed by machining, and the material in the insertion through hole 11 protrudes from the front side 100 of the fin body 1 to form an insertion peripheral wall 12 surrounding the outer periphery of the insertion through hole 11.

Referring to FIG. 3, FIG. 3 is a partial cross-sectional view of a first embodiment of the fin of the present invention taken along plane A-A. The fin body 1 is cut by a preset cutting line on the fin body 1, the part of the cutting line in the surrounding range is bent towards the outside of the surface side 100 and then turned towards the surface side 100 to form a piece distance top table 2, and a cutting hole 3 formed by cutting the piece distance top table 2 is formed in the adjacent position of the fin body 1 on the piece distance top table 2.

Referring to fig. 4 and 5, fig. 4 is a partial sectional view of the fin at the shear hole in the first embodiment of the fin of the present invention, and fig. 5 is a partial schematic view of the fin in the first embodiment of the fin of the present invention before the fin is turned away from the top stage. Since the shear hole 3 is formed after the fin body 1 is sheared out of the pitch top table 2, the inner peripheral contour of the shear hole 3 is identical to the outer peripheral contour of the pitch top table 2 before being turned over.

In the extending direction of the chip distance top platform 2, the chip distance top platform 2 sequentially comprises an extending head end 201, a top part 202 (extending middle part when not folded) and an extending tail end 203, and the extending head end 201 is connected with the fin body 1; in the width direction perpendicular to the extending direction of the table top 2 and perpendicular to the thickness direction of the table top 2, the extending head end 201 has a first width W1, the top portion has a second width W2, the extending tail end 203 has a third width W3, the second width W2 is greater than the first width W1, the third width W3 is greater than the first width W1, the width of the table top 2 gradually increases from the extending head end 201 to the top portion 202, and the width of the table top 2 gradually decreases from the top portion 202 to the extending tail end 203. Correspondingly, the shearing hole 3 has a first width W1 near the proximal end of the blade-distance top platform 2, a third width W3 at the distal end far from the blade-distance top platform 2, and a second width W2 between the proximal and distal ends near the middle of the shearing hole 3. Therefore, the hole profile of the shearing holes 3 is close to a circle, and after the fins are continuously arranged, heating pipes can be placed in the plurality of shearing holes 3 penetrating along the arrangement direction to accelerate defrosting efficiency.

Firstly, the non-folded piece space top platform 2 is bent to be perpendicular to the fin body 1 (the state shown in fig. 5), then the piece space top platform 2 is folded towards the fin body 1 along the direction close to the shearing hole 3, finally, the piece space top platform 2 forms a first supporting part 21, a butting part 22 and a second supporting part 23 which are sequentially connected, the piece space top platform 2 is bent and extended in an 'Jiong' shape, the first supporting part 21 is perpendicular to the butting part 22, and the butting part 22 is perpendicular to the second supporting part 23.

The first support portion 21 extends from the back-to-front side 100 of the fin body 1 to the top portion 202; the abutting portion 22 is a top portion 202, the abutting portion 22 has an abutting surface 221 facing away from the front side 100 and parallel to the surface of the front side 100, the second supporting portion 23 extends from the top portion 202 to an extending end 203, the extending end 203 passes through the shearing hole 3, and opposite sides of the second supporting portion 23 abut on the periphery of the fin body 1 around the shearing hole 3.

Referring to fig. 2 again, the fins are arranged, and after the refrigerant pipe 9 passes through the insertion through holes 11 of the fins, the fin bodies 1 are arranged at equal intervals, and the abutting surface 221 of the top 202 of the fin space top platform 2 of the previous fin abuts against the fin body 1 of the next fin, so that the distance D between two adjacent fin bodies 1 is the height of the fin space top platform 2 extending from the surface side 100.

The piece is rolled over to the fin body and is in 1 butt of fin body after extending to top 202 earlier to piece apart from top platform 2, and piece is double-deck structure and improves anti deformability effectively apart from top platform 2, and when the height of increase piece apart from top platform 2 was arranged with the big piece distance that realizes the fin, also can not produce the aversion because of piece apart from top platform 2 deformation between two fins of mutual butt to guarantee the normal use of fin, guarantee the normal use of heat exchanger.

Second embodiment of fins

Referring to fig. 6, fig. 6 is a structural view of a second embodiment of the fin of the present invention. In the present embodiment, the arrangement of the pitch top 42 and the cutout hole 43 formed along with the pitch top 42 on the fin body 4 is different from that of the first embodiment. One side of each penetrating through hole 41 is provided with a piece distance top platform 42, the thickness direction of the piece distance top platform 42 is perpendicular to the extending direction (x-axis direction) of the fin body 1, and the penetrating through holes 41 and the shearing holes 43 are respectively located on two opposite sides of the piece distance top platform 42. This setting makes between two adjacent fins butt position arrange more evenly, improves the cooperation stability between two adjacent fins.

Third embodiment of fins

Referring to fig. 7 and 8, fig. 7 is a partial cross-sectional view from a first perspective of a third embodiment of a fin of the present invention, and fig. 8 is a partial cross-sectional view from a second perspective of the third embodiment of the fin of the present invention. In this embodiment, the third width W3 of the extended end 503 of the stand 52 is larger, and after the stand 52 is bent, the extended end 503 is directed to the position 531 in the cut hole 53, and the width at the position 531 is smaller than the third width W3, so that the width of the extended end 503 is larger than the width at the position 531, and the extended end 503 cannot pass through the cut hole 53 and abut on the front side 511 of the fin body 51. This arrangement also enables stable abutment between the extended tip 503 and the fin body 51.

Fourth embodiment of Fin

Referring to fig. 9, fig. 9 is a partial cross-sectional view of a fourth embodiment of the fin of the present invention. In this embodiment, the distance between the top plate 62 and the cutting hole 63 is bent and extended in an "Jiong" shape, and the extending end 623 abuts against the front side of the fin body 61. This setting can realize the double-deck bearing structure of piece apart from top platform 62 equally, and after the fin range is arranged, because top 602 is not located and cuts the hole 63 under, therefore the width design requirement of top 602 is lower, can reduce the design degree of difficulty and the processing degree of difficulty.

Fifth embodiment of the Fin

Referring to fig. 10, fig. 10 is a partial cross-sectional view of a fifth embodiment of the fin of the present invention. In this embodiment, the tab is extended from the top 72 in a reverse V shape in a direction approaching the cut hole 73, the extended end 703 passes through the cut hole 73, and both sides of the second extension 722 abut on a portion of the fin body 71 surrounding the cut hole 73. In this arrangement, although the abutting surface of the top 702 is small, the processing difficulty of the sheet pitch top 72 is reduced.

Sixth embodiment of fins

Referring to fig. 11, fig. 11 is a partial cross-sectional view of a sixth embodiment of a fin of the present invention. In this embodiment, the tab extends away from the top platform 82 and away from the shear hole 83 in a reverse V-shaped bend, with the extended tip 803 abutting against the front side of the fin body 81.

In other embodiments, the sheet extends away from the top platform in an inverted "U" shape.

Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, rather than limitations, and that many variations and modifications of the invention are possible to those skilled in the art, without departing from the spirit and scope of the invention.

Claims

1. The fin comprises a fin body and a fin distance top platform, wherein the fin body is provided with an inserting through hole, the fin distance top platform protrudes from the surface side of the fin body, and the fin distance top platform is provided with a top part far away from the fin body;

the method is characterized in that:

the fin body is provided with a shearing hole formed by shearing the piece pitch top table at the adjacent position of the piece pitch top table;

the fin pitch top platform is folded and extends to the fin body to be abutted against the fin body after extending from the surface side to the top;

in the extending direction of the film pitch top platform, the film pitch top platform sequentially comprises an extending head end, the top and an extending tail end, and the extending head end is connected with the surface side;

in a width direction perpendicular to the extending direction and perpendicular to the thickness direction of the chip space dome, the extending head end has a first width, the top portion has a second width, the extending tail end has a third width, the second width is larger than the first width, the third width is larger than the first width, and the width of the chip space dome gradually decreases from the top portion to the extending tail end;

the table top further includes a second support portion extending from the top portion to the extended tip, the extended tip passing through the shear hole, opposite sides of the second support portion abutting against portions of the fin body surrounding the shear hole.

2. The fin of claim 1, wherein:

the sheet extends from the top platform in an Jiong-shaped bending way.

3. The fin of claim 1, wherein:

the sheet extends from the top platform in an inverted V shape.

4. The fin according to any one of claims 1 to 3, wherein:

the piece is apart from the top platform setting two adjacent interlude through-holes between, just the thickness direction of piece is apart from the top platform perpendicular to two adjacent interlude through-holes's line direction.

5. The fin according to any one of claims 1 to 3, wherein:

one side of each penetrating through hole is provided with one piece distance top platform.

6. The fin according to any one of claims 1 to 3, wherein:

the fin further comprises an insertion peripheral wall, wherein the insertion peripheral wall protrudes from the surface side and surrounds the periphery of the insertion through hole.

7. The heat exchanger, including the fin, its characterized in that: the fin is the fin according to any one of claims 1 to 6.

8. A heat exchange system comprising a heat exchanger employing the heat exchanger of claim 7.

9. The air conditioner comprises a heat exchange system and is characterized in that: the heat exchange system adopts the heat exchange system of the claim 8.

10. Domestic appliance, including heat transfer system, its characterized in that: the heat exchange system adopts the heat exchange system of the claim 8.