CN102997504A - Heat exchanger used for refrigerator and manufacturing method of heat exchanger - Google Patents
Heat exchanger used for refrigerator and manufacturing method of heat exchanger Download PDFInfo
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- CN102997504A CN102997504A CN2012105848145A CN201210584814A CN102997504A CN 102997504 A CN102997504 A CN 102997504A CN 2012105848145 A CN2012105848145 A CN 2012105848145A CN 201210584814 A CN201210584814 A CN 201210584814A CN 102997504 A CN102997504 A CN 102997504A
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- heat exchanger
- exchanger tube
- installation portion
- refrigerator
- fin
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Abstract
The invention discloses a heat exchanger used for a refrigerator and a manufacturing method of the heat exchanger. The heat exchanger used for the refrigerator comprises a heat exchange tube and a plurality of fins, wherein the fins are arranged on the heat exchange tube at intervals; each fin is provided with a mounting part and a plurality of fan-shaped blades; the fan-shaped blades are connected with the mounting part and are arranged at intervals along the circumferential direction of the mounting part; the mounting part is provided with an axial mounting hole; the heat exchange tube passes through the axial mounting hole and is matched inside the axial mounting hole so that the fins are arranged on the heat exchange tube. The heat exchanger used for the refrigerator according to the embodiment of the invention has the advantages of being high in heat exchange efficiency, small in frost quantity, easy to defrost, and the like.
Description
Technical field
The present invention relates to field of household appliances, in particular to a kind of manufacture method of heat exchanger and this heat exchanger for refrigerator.
Background technology
The fin of existing heat exchanger all is the tabular of rectangle.The fin area of this shape is large, can make the frosting degree on the fin larger, and then makes the heat exchange efficiency of heat exchanger low and the defrosting difficulty is large.
Summary of the invention
The present invention is intended to solve at least one of technical problem that exists in the prior art.The heat exchanger that is used for refrigerator of the advantages such as for this reason, one object of the present invention is to propose a kind of heat exchange efficiency height that has, and frosting degree is little, and it is easy to defrost.
Another object of the present invention is to propose a kind of manufacture method of described heat exchanger.
The heat exchanger that is used for refrigerator according to first aspect present invention embodiment comprises: heat exchanger tube; With a plurality of fins, turn up the soil and be located on the described heat exchanger tube in described a plurality of fins interval, each described fin has installation portion and a plurality of sector, described a plurality of sector links to each other with described installation portion and circumferentially spaced apart along described installation portion, described installation portion has axial installing hole, and described heat exchanger tube passes described axial installing hole and is engaged in the described axial installing hole so that described fin is installed on the described heat exchanger tube.
The heat exchanger that is used for refrigerator according to the embodiment of the invention, by the blade of fin is made fan shape, thereby can reduce the area of each fin, so just reduced widely condensing capacity and the frosting degree on the fin surface, and then can improve heat exchange efficiency, and the difficulty of defrosting is reduced widely.Therefore, has the heat exchange efficiency height according to the heat exchanger that is used for refrigerator of the embodiment of the invention, the advantage such as frosting degree is little, and it is easy to defrost.
In addition, the heat exchanger for refrigerator according to the present invention also has following additional technical feature:
According to one embodiment of present invention, described installation portion is annular.The structure that can make thus fin more rationally, simpler.
Preferably, the thickness of each described sector radially from inside to outside increases gradually first along described installation portion and reduces gradually.Be conducive to thus converging and dripping of condensate water.
Alternatively, described installation portion is elastic opening ring.Thus, can make easier for installation on heat exchanger tube of fin.
Preferably, described a plurality of sector is spacedly distributed around the center of described installation portion.Thus, the structure of fin is simpler, and manufacturing is more prone to.
Advantageously, described heat exchanger tube has a plurality of flat segments and a plurality of bending section, and described a plurality of flat segments and described a plurality of bending section are alternately connected.Thus, can make the structure of heat exchanger tube more reasonable.
Described bending section is semicircle.Thus, can make cold-producing medium flowing in heat exchanger tube more smooth and easy.
Described heat exchanger for refrigerator also comprises the first and second end plates, and described the first end plate is provided with the first trepanning, and described the second end plate is provided with the second trepanning, and described heat exchanger tube passes described the first and second trepannings and is engaged in described the first and second trepannings.Thus, the structure of heat exchanger is more reasonable, and is easier for installation.
Manufacture method according to the heat exchanger that is used for refrigerator of second aspect present invention embodiment comprises: straight described heat exchanger tube is provided; Described a plurality of fin is provided; With the axial installing hole that described heat exchanger tube is passed described a plurality of fins, then described heat exchanger tube is carried out expand tube so that described a plurality of fins are installed on the described heat exchanger tube.
According to the manufacture method of the heat exchanger that is used for refrigerator of the embodiment of the invention, manufacturing process is simpler, and is more convenient to operate, low cost of manufacture, and the heat exchange efficiency of the heat exchanger of making is high, and the frosting degree on the fin is little, and defrosting is easily.
According to one embodiment of present invention, the manufacture method of described heat exchanger for refrigerator also comprises: be bent into described heat exchanger tube snakelike; With the heat exchanger tube both sides after described bending the first and second end plates are installed respectively.Can guarantee the stability of the structure of heat exchanger thus, and make the structure of heat exchanger more reasonable, assemble convenient.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the structural representation according to the heat exchanger that is used for refrigerator of the embodiment of the invention;
Fig. 2 is the structural representation according to the fin that is used for heat exchanger of the embodiment of the invention;
Fig. 3 is the side view according to the fin that is used for heat exchanger of the embodiment of the invention;
Fig. 4 is the manufacture method flow chart according to the heat exchanger of the embodiment of the invention.
The specific embodiment
The below describes embodiments of the invention in detail, and the example of described embodiment is shown in the drawings, and wherein identical or similar label represents identical or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " " center "; " vertically "; " laterally "; " on "; D score; " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of indications such as " outward " are based on orientation shown in the drawings or position relationship, only be for convenience of description the present invention and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, except as otherwise noted, the implication of " a plurality of " is two or more.
In description of the invention, need to prove that unless clear and definite regulation and restriction are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be to be fixedly connected with, also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can indirectly link to each other by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand above-mentioned term concrete meaning in the present invention.
Below with reference to the heat exchanger 1 that be used for refrigerator of Fig. 1-Fig. 3 description according to the embodiment of the invention.As shown in Figure 1-Figure 3, the heat exchanger 1 that is used for refrigerator according to the embodiment of the invention comprises heat exchanger tube 10 and a plurality of fin 20.
Turn up the soil and be located on the heat exchanger tube 10 in a plurality of fins 20 intervals, particularly, each fin 20 has installation portion 21, and installation portion 21 has axial installing hole 211, and heat exchanger tube 10 passes axial installing hole 211 and heat exchanger tube 10 is engaged in the axial installing hole 211 so that fin 20 is installed on the heat exchanger tube 10.Wherein, described axially referring to when fin 20 is installed on the heat exchanger tube 10, along heat exchanger tube 10 axially.
Each fin 20 also has a plurality of sectors 22, and a plurality of sectors 22 link to each other with installation portion 21 and circumferentially spaced apart along installation portion 21 of a plurality of sector 22.
The fin of existing heat exchanger all is the tabular of rectangle.The fin area of this shape is large, can make the frosting degree on the fin larger, and then makes the heat exchange efficiency of heat exchanger low and the defrosting difficulty is large.
The heat exchanger 1 that is used for refrigerator according to the embodiment of the invention, by the blade of fin 22 is made fan shape, thereby can reduce the area of each fin 22, fin 22 lip-deep condensing capacity and frosting degrees have so just been reduced widely, and then can improve heat exchange efficiency, and the difficulty of defrosting is reduced widely.Therefore, has the heat exchange efficiency height according to the heat exchanger 1 that is used for refrigerator of the embodiment of the invention, the advantage such as frosting degree is little, and it is easy to defrost.
Alternatively, installation portion 21 can be annular.The structure that can make thus fin 20 more rationally, simpler.
Alternatively, installation portion 21 can be elastic opening ring.By installation portion 21 is made as elastic opening ring, thereby can utilize the strain of installation portion 21, fin 20 is installed on the heat exchanger tube 10.Particularly, when being installed to fin 20 on the heat exchanger tube 10, can utilize opening part that installation portion 21 is snapped fitted on the heat exchanger tube 10.Thus, can make easier for installation on heat exchanger tube 10 of fin 20.
Certainly, installation portion 21 can be intactly, astomous annular, by heat exchanger tube 10 is passed that fin 20 is installed on the heat exchanger tube 10 from axial installing hole 211.
As shown in Figure 3, especially, the thickness of each sector 22 radially from inside to outside increases gradually first along installation portion 21 and reduces gradually.Like this, after having condensate water to form on the sector 22, condensate water can converge to along sector 22 the thickness maximum of sector 22 downwards, and then, the water droplet that converges flows downward and drips from sector 22 thickness are minimum along sector 22 again.In brief, thickness by making sector 22 radially from inside to outside increases gradually first along installation portion 21 and reduces gradually, be conducive to converging and dripping of condensate water, thereby can reduce condensing capacity and the frosting degree of sector 22, be conducive to the raising of the heat transfer effect of heat exchanger 1.(from inside to outside referring to point to from installation portion 21 free end of sector 22 here)
Each sector 22 can also radially reverse around installation portion 21, and namely the shape of each sector 22 can be the shape of electric fan.Thus, converging and dripping of condensate water on the sector 22 can be more be conducive to, condensing capacity and the frosting degree of sector 22 can be reduced further.
Preferably, a plurality of sectors 22 are spacedly distributed around the center of installation portion 21.Thus, the structure of fin 20 more simply, more reasonable, manufacturing is more prone to.
As shown in Figure 2, sector 22 arranges symmetrically along the revenue centre of installation portion 21.The line at the place, edge of a plurality of sectors 22 can be the circle concentric with described annular installation portion.Thus, can simplify further the structure of fin 20, make to make to be more prone to.
More preferably, a plurality of sector 22 can be integrally formed on the installation portion 21.Particularly, fin 20 can form by clicking technique, thus, can improve widely the bonding strength of sector 22 on installation portion 21.Simultaneously the manufacturing of fin 20 is more prone to.
In one embodiment of the invention, fin 20 can be made by materials such as aluminium, steel, the thickness of the material such as aluminium, steel can be in 0.18 millimeter-0.2 millimeter scope, and the fin 20 of making thus namely can guarantee to have enough structural strengths, also can reduce the material cost of fin 20 simultaneously.
As shown in Figure 1, heat exchanger tube 10 has a plurality of flat segments 11 and a plurality of bending section 12, and a plurality of flat segments 11 and a plurality of bending section 12 are alternately connected.Thus, can make the structure of heat exchanger tube 10 more reasonable.
Preferably, bending section 12 can be semicircle.Can make further thus the structure of heat exchanger tube 10 simpler, manufacturing is more prone to.
In addition, by bending section 12 is set to semicircle, thus, can avoid occurring the bending dead angle on the heat exchanger tube 10, and then can make cold-producing medium the flowing in heat exchanger tube 10 can be more smooth and easy, be conducive to improve the heat transfer effect of heat exchanger 1.
In some embodiments of the invention, the heat exchanger 1 that is used for refrigerator also comprises the first end plate 30 and the second end plate 40, the first end plate 30 is provided with the first trepanning, the second end plate 40 is provided with the second trepanning, heat exchanger tube 10 passes the first trepanning and the second trepanning, and heat exchanger tube 10 is engaged in the first trepanning and the second trepanning.Thus, not only can utilize the first end plate 30 and the second end plate 40 that the shape of heat exchanger tube 10 is fixed, guarantee the stability of the structure of heat exchanger 1, and make the structure of heat exchanger 1 more reasonable, assemble convenient.
Manufacture method according to the heat exchanger 1 for refrigerator of the invention process is described below.
As shown in Figure 4, the manufacture method that is used for the heat exchanger 1 of refrigerator comprises the steps: the heat exchanger tube 10 that provides straight, a plurality of fins 20 are provided, heat exchanger tube 10 is passed the axial installing hole 211 of a plurality of fins 20, then exchange heat pipe 10 and carry out expand tube so that a plurality of fins 20 are installed on the heat exchanger tube 10.
Because before expand tube, heat exchanger tube 10 is straight, fin 20 is set on the heat exchanger tube 10 more easily, and fin 20 can move more smoothly, locate on straight heat exchanger tube 10, be located on the heat exchanger tube 10 so that a plurality of fin 20 can the interval be turned up the soil; In addition, by techniques such as expand tubes, just fin 20 can be installed on the heat exchanger tube 10 securely, thus, according to the manufacture method of the heat exchanger 1 that is used for refrigerator of the embodiment of the invention, manufacturing process is simpler, more convenient to operate, low cost of manufacture, and the heat exchanger heat exchange efficiency of making is high, and the frosting degree on the fin is few, and defrosting easily.
Further, the manufacture method that is used for the heat exchanger 1 of refrigerator can also comprise the steps: at first heat exchanger tube 10 to be bent into snakelike, and then the first end plate 30 and the second end plate 40 are installed respectively in 10 both sides of the heat exchanger tube after bending.By being bent into heat exchanger tube 10 snakelike, thereby can reduce the heat exchanger tube 10 described spaces that take, namely in the situation of the heat exchanger tube 10 of equal length, the space that snakelike heat exchanger tube 10 takies is less than the space that straight heat exchanger tube 10 takies, and has improved space availability ratio.Therefore, the heat exchanger 1 that produces by the manufacture method according to the embodiment of the invention takes up room less, and space availability ratio is high.
In addition, by heat exchanger tube 10 both sides after bending the first end plate 30 and the second end plate 40 are installed respectively, thereby can utilize the first end plate 30 and the second end plate 40 that the shape of snakelike heat exchanger tube 10 is fixed, guarantee the stability of the structure of heat exchanger 1, and make the structure of heat exchanger 1 more reasonable, assemble convenient.
The first end plate 30 and the second end plate 40 can carry out sheathed from the bending section 12 of heat exchanger tube 10.That is, the first end plate 30 and the second end plate 40 all can be from outside to inside (, inwardly refer to point to from bending section 12 direction of flat segments 11 here), and sheathed bending section 12, the first trepannings that advance heat exchanger tube 10 and the second trepanning are suitable for bending section 12 and pass.Particularly, the first end plate 30 and the second end plate 40 can be fixed, install by interference fit with heat exchanger tube 10.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or the example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple variation, modification, replacement and modification to these embodiment in the situation that does not break away from principle of the present invention and aim, scope of the present invention is limited by claim and equivalent thereof.
Claims (10)
1. a heat exchanger that is used for refrigerator is characterized in that, comprising:
Heat exchanger tube; With
A plurality of fins, turn up the soil and be located on the described heat exchanger tube in described a plurality of fins interval, each described fin has installation portion and a plurality of sector, described a plurality of sector links to each other with described installation portion and circumferentially spaced apart along described installation portion, described installation portion has axial installing hole, and described heat exchanger tube passes described axial installing hole and is engaged in the described axial installing hole so that described fin is installed on the described heat exchanger tube.
2. the heat exchanger for refrigerator according to claim 1 is characterized in that, described installation portion is annular.
3. the heat exchanger for refrigerator according to claim 2 is characterized in that, the thickness of each described sector radially from inside to outside increases gradually first along described installation portion and reduces gradually.
4. the heat exchanger for refrigerator according to claim 2 is characterized in that, described installation portion is elastic opening ring.
5. the heat exchanger for refrigerator according to claim 2 is characterized in that, described a plurality of sectors are spacedly distributed around the center of described installation portion.
6. each described heat exchanger for refrigerator is characterized in that according to claim 1-5, and described heat exchanger tube has a plurality of flat segments and a plurality of bending section, and described a plurality of flat segments and described a plurality of bending section are alternately connected.
7. the heat exchanger for refrigerator according to claim 6 is characterized in that, described bending section is semicircle.
8. the heat exchanger for refrigerator according to claim 6, it is characterized in that, also comprise the first and second end plates, described the first end plate is provided with the first trepanning, described the second end plate is provided with the second trepanning, and described heat exchanger tube passes described the first and second trepannings and is engaged in described the first and second trepannings.
9. the manufacture method such as each described heat exchanger for refrigerator among the claim 1-8 is characterized in that, comprising:
Straight described heat exchanger tube is provided;
Described a plurality of fin is provided; With
Described heat exchanger tube is passed the axial installing hole of described a plurality of fins, then described heat exchanger tube is carried out expand tube so that described a plurality of fins are installed on the described heat exchanger tube.
10. the manufacture method of each described heat exchanger for refrigerator is characterized in that according to claim 1-9, also comprises:
Be bent into described heat exchanger tube snakelike; With
The first and second end plates are installed respectively in heat exchanger tube both sides after described bending.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105848145A CN102997504A (en) | 2012-12-28 | 2012-12-28 | Heat exchanger used for refrigerator and manufacturing method of heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105848145A CN102997504A (en) | 2012-12-28 | 2012-12-28 | Heat exchanger used for refrigerator and manufacturing method of heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102997504A true CN102997504A (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105848145A Pending CN102997504A (en) | 2012-12-28 | 2012-12-28 | Heat exchanger used for refrigerator and manufacturing method of heat exchanger |
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| CN (1) | CN102997504A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107957152A (en) * | 2017-12-28 | 2018-04-24 | 常州市常蒸热交换器科技有限公司 | A kind of aluminum pipe aluminum fin-stock evaporator and preparation method thereof |
| CN108775831A (en) * | 2018-07-25 | 2018-11-09 | 北京建筑大学 | A kind of butterfly finned tube exchanger preventing flue gas corrosion |
| CN110887394A (en) * | 2019-10-16 | 2020-03-17 | 张少学 | Sensitive type wing-shaped fin efficient heat exchanger |
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| GB1207718A (en) * | 1968-06-12 | 1970-10-07 | Howell & Company Ltd | Finned tubing |
| CN1167243A (en) * | 1996-06-04 | 1997-12-10 | 大宇电子株式会社 | Cooling device with multiple evaporators |
| CN1204038A (en) * | 1997-06-30 | 1999-01-06 | 大宇电子株式会社 | Refrigerator |
| JP2004239600A (en) * | 2003-01-17 | 2004-08-26 | Usui Kokusai Sangyo Kaisha Ltd | Heat transfer pipe externally provided with resin fin member |
| JP2005030677A (en) * | 2003-07-11 | 2005-02-03 | Usui Kokusai Sangyo Kaisha Ltd | Heat transfer tube armored with resin fin member |
| JP2007032850A (en) * | 2005-07-22 | 2007-02-08 | Usui Kokusai Sangyo Kaisha Ltd | Finned tube |
| CN101067530A (en) * | 2006-05-02 | 2007-11-07 | 三星光州电子株式会社 | Heat exchanger for refrigerator |
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- 2012-12-28 CN CN2012105848145A patent/CN102997504A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1207718A (en) * | 1968-06-12 | 1970-10-07 | Howell & Company Ltd | Finned tubing |
| CN1167243A (en) * | 1996-06-04 | 1997-12-10 | 大宇电子株式会社 | Cooling device with multiple evaporators |
| CN1204038A (en) * | 1997-06-30 | 1999-01-06 | 大宇电子株式会社 | Refrigerator |
| JP2004239600A (en) * | 2003-01-17 | 2004-08-26 | Usui Kokusai Sangyo Kaisha Ltd | Heat transfer pipe externally provided with resin fin member |
| JP2005030677A (en) * | 2003-07-11 | 2005-02-03 | Usui Kokusai Sangyo Kaisha Ltd | Heat transfer tube armored with resin fin member |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107957152A (en) * | 2017-12-28 | 2018-04-24 | 常州市常蒸热交换器科技有限公司 | A kind of aluminum pipe aluminum fin-stock evaporator and preparation method thereof |
| CN108775831A (en) * | 2018-07-25 | 2018-11-09 | 北京建筑大学 | A kind of butterfly finned tube exchanger preventing flue gas corrosion |
| WO2020019627A1 (en) * | 2018-07-25 | 2020-01-30 | 北京建筑大学 | Heat exchanger with butterfly finned pipe |
| CN110887394A (en) * | 2019-10-16 | 2020-03-17 | 张少学 | Sensitive type wing-shaped fin efficient heat exchanger |
| CN110887394B (en) * | 2019-10-16 | 2021-01-15 | 广东艾欣能能源科技有限责任公司 | Sensitive type wing-shaped fin efficient heat exchanger |
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| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 230601 Hefei Changjiang Road, Anhui, No. 669 Applicant after: Hefei Midea Refrigerator Co., Ltd. Address before: 230601 Hefei Changjiang Road, Anhui, No. 669 Applicant before: Hefei Media Rongshida Refrigerator Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: HEFEI MEDIA RONGSHIDA REFRIGERATOR CO., LTD. TO: HEFEI MIDEA REFRIGERATORCO., LTD. |
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Application publication date: 20130327 |