CN203177724U - Heat exchanger U-type tube - Google Patents
Heat exchanger U-type tube Download PDFInfo
- Publication number
- CN203177724U CN203177724U CN 201320141066 CN201320141066U CN203177724U CN 203177724 U CN203177724 U CN 203177724U CN 201320141066 CN201320141066 CN 201320141066 CN 201320141066 U CN201320141066 U CN 201320141066U CN 203177724 U CN203177724 U CN 203177724U
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- pipeline section
- section
- heat exchanger
- end pipeline
- butt
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Abstract
The utility model relates to the field of refrigeration, in particular to a heat exchanger U-type tube. The heat exchanger U-type tube comprises a first end portion tube section, a middle tube section and a second end portion tube section. Both the first end portion tube section and the middle tube section and the middle tube section and the second end portion tube section are in butt welding by flash welding or in butt welding by friction welding. The first end portion tube section and the second end portion tube section are both copper tube sections. The heat exchanger U-type tube is changed to be three sections of tube which are formed in a butt welding mode through solderless flash welding or friction welding, except for the two ends which are used for being connected with a straight tube of a heat exchanger are not changed and are still the copper tube sections, the middle tube section in the middle of the heat exchanger U-type tube is changed to be a tube section which is low in cost and can not influence the performance of an air conditioner, thus the usage of copper tubes is reduced, the processing technology is relatively simple, and therefore the cost for manufacturing the heat exchanger U-type tube is lowered.
Description
Technical field
The application relates to refrigerating field, is specifically related to the U-shaped pipe of a kind of heat exchanger.
Background technology
Refrigeration plant generally comprises compressor, condenser, evaporimeter and choke valve etc.And condenser and evaporimeter are referred to as heat exchanger, and it is the indispensable parts of refrigeration plant, are that the refrigeration plant of which kind of type all must be installed.Common heat exchanger is made of heat exchanger coils and interval dense arrangement fin thereon, heat exchanger coils is made of heat exchanger straight tube and the U-shaped pipe welding of heat exchanger, the heat exchanger straight tube passes the fin inner chamber, and the U-shaped pipe of heat exchanger then is communicated with the free end of two heat exchanger straight tubes.
The existing U-shaped pipe of heat exchanger all adopts the expensive copper pipe of resource shortage, price to make mostly.Because the shortage of copper resource and the expensive bottleneck of having caused material to supply with for whole industry.And a refrigeration plant often needs to reach the U-shaped pipe of dozens or even hundreds of heat exchanger, and this need expend a large amount of copper materials, and high manufacturing cost is self-evident.
Therefore, under this market environment with keen competition, in order to reduce the production cost of air conditioning system maker, improve its market competitiveness, and alleviate the anxiety of copper material resource simultaneously, it is cheap relatively and can guarantee that again the U-shaped pipe of heat exchanger of refrigeration seems particularly important to research and develop a kind of manufacturing cost.
Summary of the invention
The application's purpose is to avoid above-mentioned weak point of the prior art and provides a kind of and can guarantee refrigeration, can reduce the U-shaped pipe of heat exchanger of manufacturing cost.
The application's purpose is achieved through the following technical solutions:
Provide a kind of heat exchanger U-shaped pipe, comprise first end pipeline section, middle pipeline section and the second end pipeline section, described first end pipeline section and described in the middle of between the pipeline section, and all dock welding or friction welding (FW) by flash welding between pipeline section and the described the second end pipeline section in the middle of described and docks and weld;
Described first end pipeline section and the second end pipeline section are the copper pipe section.
Wherein, described middle pipeline section is the metal segments of non-copper pipe.
Wherein, described middle pipeline section is the middle pipeline section that is formed by one section aluminum pipe section or an iron leg pipeline section; Perhaps described middle pipeline section is for to dock the middle pipeline section that is welded mutually by the metal section more than two sections.
Wherein, described metal section more than two sections is metal section of the same race or dissimilar metal pipeline section.
Wherein, when described first end pipeline section and described middle pipeline section butt welding connect, the internal diameter of the butt end of described first end pipeline section is less than the external diameter of the butt end of pipeline section in the middle of described, and the external diameter of the butt end of described first end pipeline section is greater than the internal diameter of the butt end of pipeline section in the middle of described; When pipeline section docks welding in the middle of described with described the second end pipeline section, the internal diameter of the butt end of described middle pipeline section is less than the external diameter of the butt end of described the second end pipeline section, and the external diameter of the butt end of described middle pipeline section is greater than the internal diameter of the butt end of described the second end pipeline section.
Wherein, described first end pipeline section, described middle pipeline section and described the second end pipeline section are isometrical pipeline section.
Wherein, described middle pipeline section is tapered pipeline section or gradually expanded form pipeline section, and described first end pipeline section and described the second end pipeline section are waney pipeline section.
Wherein, the identical length of described first end pipeline section and described the second end pipeline section together.
Provide a kind of heat exchanger U-shaped pipe, comprise first end pipeline section and the second end pipeline section, described first end pipeline section docks welding or friction welding (FW) butt joint welding with described the second end pipeline section by flash welding;
Described first end pipeline section and the second end pipeline section are the copper pipe section.
Wherein, when described first end pipeline section docks welding with described the second end pipeline section, the internal diameter of the butt end of described first end pipeline section is less than the external diameter of the butt end of described the second end pipeline section, and the external diameter of the butt end of described first end pipeline section is greater than the internal diameter of the butt end of described the second end pipeline section.
The application's beneficial effect:
The U-shaped pipe of the application's heat exchanger, made into to be welded to form by solderless flash welding or friction welding (FW) butt joint by three sections pipes, except the two ends that are used for connection heat exchanger straight tube remain unchanged, still adopt outside the copper pipe section, the middle pipeline section of the mid portion of the U-shaped pipe of heat exchanger has made into lower-cost but has not influenced the pipeline section of heat pump performance, thereby saved the use amount of copper pipe, and its processing technology is comparatively simple, therefore reduced the cost of making the U-shaped pipe of this heat exchanger, the U-shaped pipe of heat exchanger also can make into to be welded to form by two sections copper pipe section rim charge butt joints, copper pipe section rim charge is carried out recycling, thereby save material.
Description of drawings
Utilize accompanying drawing that the application is described further, but the embodiment in the accompanying drawing does not constitute any restriction to the application, for those of ordinary skill in the art, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to the following drawings.
Fig. 1 is the structural representation of the heat exchanger of refrigeration plant.
Fig. 2 is the structural representation of the application's the U-shaped pipe of heat exchanger.
Fig. 3 is another structural representation of the application's the U-shaped pipe of heat exchanger.
Reference numeral:
The 1-heat exchanger, the 2-fin, 3-heat exchanger straight tube, the U-shaped pipe of 4-heat exchanger, 5-first end pipeline section,
Pipeline section in the middle of the 6-, 7-the second end pipeline section.
The specific embodiment
With the following Examples the application is further described.
Embodiment 1
The U-shaped pipe of a kind of heat exchanger, Figure 1 shows that the structural representation of heat exchanger 1, heat exchanger 1 comprises heat exchanger coils and the fin 2 of interval dense arrangement on heat exchanger coils, heat exchanger coils is welded to form by heat exchanger straight tube 3 and the U-shaped pipe 4 of heat exchanger, and the U-shaped pipe 4 of heat exchanger is communicated with the free end of two heat exchanger straight tubes 3.
As shown in Figure 2, the U-shaped pipe 4 of heat exchanger has made to be docile and obedient order by first end pipeline section 5, middle pipeline section 6 and 7 three sections pipes of the second end pipeline section into by the structure of whole traditional copper pipe and has been welded to form by solderless flash welding butt joint welding or friction welding (FW) butt joint.The two ends that are used for connecting heat exchanger straight tube 3 that are about to the U-shaped pipe 4 of heat exchanger remain unchanged, and still adopt the copper pipe material, can guarantee refrigeration and made the pipeline section of mid portion into other, simultaneously the relatively low material of its cost.
When first end pipeline section 5 docked welding with middle pipeline section 6, the internal diameter of the butt end of first end pipeline section 5 was less than the external diameter of the butt end of middle pipeline section 6, and the external diameter of the butt end of first end pipeline section 5 is greater than the internal diameter of the butt end of middle pipeline section 6; And when middle pipeline section 6 docked welding with the second end pipeline section 7, the internal diameter of the butt end of middle pipeline section 6 was less than the external diameter of the butt end of the second end pipeline section 7, and the external diameter of the butt end of middle pipeline section 6 is greater than the internal diameter of the butt end of the second end pipeline section 7.
Middle pipeline section 6 is the metal segments of non-copper pipe.Middle pipeline section 6 can be one whole section metal section, is specially the middle pipeline section 6 that one section aluminum pipe section or an iron leg pipeline section form; Middle pipeline section 6 also can be compound tube, namely for to dock the middle pipeline section 6 that is welded mutually by the metal section more than two sections, described metal section more than two sections is metal section of the same race or dissimilar metal pipeline section, namely wherein any one section combination metal section can be the metal segments of non-copper pipes such as iron pipe section or aluminum pipe section, each makes up metal section and docks mutually when welding, and its principle is identical with the second end pipeline section 7 butt joint Fundamentals of Welding with first end pipeline section 5, middle pipeline section 6.
First end pipeline section 5, middle pipeline section 6 and the second end pipeline section 7 can be isometrical pipeline sections; Pipeline section 6 is tapered pipeline section or gradually expanded form pipeline section perhaps, and first end pipeline section 5 is waney pipeline section with the second end pipeline section 7.
Especially, first end pipeline section 5 is identical with the length of the second end pipeline section 7, is conducive to like this make produce, and can further improve production efficiency.
The U-shaped pipe of a kind of heat exchanger as shown in Figure 3, comprises first end pipeline section 5 and the second end pipeline section 7, and first end pipeline section 5 docks welding or friction welding (FW) butt joint welding with the second end pipeline section 7 by flash welding.Wherein, when first end pipeline section 5 docks welding with the second end pipeline section 7, the internal diameter of the butt end of first end pipeline section 5 is less than the external diameter of the butt end of the second end pipeline section 7, and the external diameter of the butt end of first end pipeline section 5 is greater than the internal diameter of the butt end of the second end pipeline section 7.
First end pipeline section 5 and the second end pipe are the copper pipe section for 7 sections, and this copper pipe section can be to adopt two copper pipe section rim charges to carry out recycling, thereby saves material.
Should be noted that at last; above embodiment is only in order to illustrate the application's technical scheme; but not to the restriction of the application's protection domain; although with reference to preferred embodiment the application has been done to explain; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement the application's technical scheme, and not break away from essence and the scope of present techniques scheme.
Claims (10)
1. U-shaped pipe of heat exchanger, it is characterized in that: comprise first end pipeline section, middle pipeline section and the second end pipeline section, described first end pipeline section and described in the middle of between the pipeline section, and all dock welding or friction welding (FW) by flash welding between pipeline section and the described the second end pipeline section in the middle of described and docks and weld;
Described first end pipeline section and the second end pipeline section are the copper pipe section.
2. the U-shaped pipe of a kind of heat exchanger according to claim 1 is characterized in that: pipeline section is the metal segments of non-copper pipe in the middle of described.
3. the U-shaped pipe of a kind of heat exchanger according to claim 1 is characterized in that: the middle pipeline section of pipeline section for being formed by one section aluminum pipe section or an iron leg pipeline section in the middle of described; Perhaps described middle pipeline section is for to dock the middle pipeline section that is welded mutually by the metal section more than two sections.
4. the U-shaped pipe of a kind of heat exchanger according to claim 3, it is characterized in that: described metal section more than two sections is metal section of the same race or dissimilar metal pipeline section.
5. the U-shaped pipe of a kind of heat exchanger according to claim 1, it is characterized in that: when described first end pipeline section and described middle pipeline section butt welding connect, the internal diameter of the butt end of described first end pipeline section is less than the external diameter of the butt end of pipeline section in the middle of described, and the external diameter of the butt end of described first end pipeline section is greater than the internal diameter of the butt end of pipeline section in the middle of described; When pipeline section docks welding in the middle of described with described the second end pipeline section, the internal diameter of the butt end of described middle pipeline section is less than the external diameter of the butt end of described the second end pipeline section, and the external diameter of the butt end of described middle pipeline section is greater than the internal diameter of the butt end of described the second end pipeline section.
6. the U-shaped pipe of a kind of heat exchanger according to claim 1 is characterized in that: described first end pipeline section, described in the middle of pipeline section and described the second end pipeline section be isometrical pipeline section.
7. the U-shaped pipe of a kind of heat exchanger according to claim 1 is characterized in that: pipeline section is tapered pipeline section or gradually expanded form pipeline section in the middle of described, and described first end pipeline section and described the second end pipeline section are waney pipeline section.
8. according to claim 6 or the U-shaped pipe of 7 described a kind of heat exchangers, it is characterized in that: the identical length of described first end pipeline section and described the second end pipeline section together.
9. U-shaped pipe of heat exchanger is characterized in that: comprise first end pipeline section and the second end pipeline section, described first end pipeline section docks welding or friction welding (FW) butt joint welding with described the second end pipeline section by flash welding;
Described first end pipeline section and the second end pipeline section are the copper pipe section.
10. the U-shaped pipe of a kind of heat exchanger according to claim 9, it is characterized in that: when described first end pipeline section docks welding with described the second end pipeline section, the internal diameter of the butt end of described first end pipeline section is less than the external diameter of the butt end of described the second end pipeline section, and the external diameter of the butt end of described first end pipeline section is greater than the internal diameter of the butt end of described the second end pipeline section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320141066 CN203177724U (en) | 2013-03-26 | 2013-03-26 | Heat exchanger U-type tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320141066 CN203177724U (en) | 2013-03-26 | 2013-03-26 | Heat exchanger U-type tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203177724U true CN203177724U (en) | 2013-09-04 |
Family
ID=49074408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320141066 Expired - Lifetime CN203177724U (en) | 2013-03-26 | 2013-03-26 | Heat exchanger U-type tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203177724U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108817820A (en) * | 2018-09-07 | 2018-11-16 | 卢运丰 | A kind of central air-conditioning gas collecting tube positioning welding auxiliary tool |
-
2013
- 2013-03-26 CN CN 201320141066 patent/CN203177724U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108817820A (en) * | 2018-09-07 | 2018-11-16 | 卢运丰 | A kind of central air-conditioning gas collecting tube positioning welding auxiliary tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Nancheng Industrial Zone Haomailu Daojiao town Guangdong city of Dongguan Province, No. 88 523000 Patentee after: DONGGUAN JINRUI HARDWARE Co.,Ltd. Address before: Nancheng Industrial Zone Haomailu Daojiao town Guangdong city of Dongguan Province, No. 88 523000 Patentee before: DONGGUAN JINRUI HARDWARE PRODUCTS Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20130904 |
|
| CX01 | Expiry of patent term |