CN102052804A - Air-conditioning heat exchanger - Google Patents
Air-conditioning heat exchanger Download PDFInfo
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- CN102052804A CN102052804A CN 201010602319 CN201010602319A CN102052804A CN 102052804 A CN102052804 A CN 102052804A CN 201010602319 CN201010602319 CN 201010602319 CN 201010602319 A CN201010602319 A CN 201010602319A CN 102052804 A CN102052804 A CN 102052804A
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Abstract
The invention discloses an air-conditioning heat exchanger. The air-conditioning heat exchanger comprises a fin, a U-shaped pipe which passes through an inner cavity of the fin, a copper bridging bend which is fixed at the tail end of the U-shaped pipe, a liquid inlet pipe and an air outlet pipe which are connected with an outdoor unit, a distributor, an inlet branch pipe, an outlet summary flute-shaped pipe and an outlet branch pipe, wherein the inlet branch pipe comprises a first inlet branch pipe, a second inlet branch pipe and a third inlet branch pipe; and the outlet branch pipe comprises a first outlet branch pipe communicated with the first inlet branch pipe, a second outlet branch pipe communicated with the second inlet branch pipe, and a third outlet branch pipe communicated with the third inlet branch pipe. The air-conditioning heat exchanger keeps heat exchange quantity equivalent to that of the conventional phi7 pipe heat exchanger on the premise of reducing pipe diameter and saving pipes; and the cooling energy efficiency ratio (EER) and heating coefficient of performance (COP) of the whole machine are equal to those of the conventional machine.
Description
Technical field
The invention belongs to the air-conditioner technical field, specially refer to the heat exchanger of air conditioner technical field.
Background technology
Current country advocates energy-saving and emission-reduction, builds low-carbon (LC) society, and the raw material copper of domestic air conditioner, aluminium are main power consumption resources, and air-conditioning copper consumption accounting is big, and along with the copper material price rises, the cost of raw material goes up, the corresponding raising of the manufacturing cost of complete machine.Air-conditioning producer further reduces the copper aluminium consumption of air-conditioner itself by technological improvement, will be the energy conservation project of benefiting the nation and the people.
For present most of family expenses split-type air conditioners, the indoor set heat exchanger uses the copper tube and fin type heat exchanger of Φ 7 calibers mostly, and this type of heat exchanger has been continued to use for many years, because the heat exchanger of Φ 7 calibers is in the application of a lot of air-conditioners, have the defective that heat exchange area is excessive, the part heat exchange area does not make full use of, this situation certainly will cause the waste of material of heat exchanger itself.For these reasons, must make the heat exchanger that a kind of new tubule footpath heat exchanger directly substitutes former Φ 7 calibers, make it in air-conditioner uses, both guarantee original performance, save the consumption of copper pipe simultaneously, reduce energy resource consumption.
Summary of the invention
The technical problem to be solved in the present invention is, indoor casing for present air-conditioning use, provide a kind of than the littler air-condition heat exchanger of existing heat exchanger caliber, the present invention is when guaranteeing the every performance of original air-conditioning, reduce the copper consumption of air-conditioning indoor heat exchanger, save the material cost and the processing cost of heat exchanger, reduce the consumption of copper resource.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of air-condition heat exchanger, comprise fin and the U type pipe that passes the fin inner chamber, comprise that also copper cross-over connection elbow, the feed tube that links to each other with off-premises station and the escape pipe, distributor, import branched pipe, the outlet that are fixed on U type pipe end port gather bourdon's tube and outlet branched pipe.
Further, the import branched pipe comprises the first import branched pipe, the second import branched pipe, triple feed inlet branched pipe, and the outlet branched pipe comprises the first outlet branched pipe that is communicated with the first import branched pipe, second the 3rd outlet branched pipe that exports branched pipe, is communicated with the triple feed inlet branched pipe that is communicated with the second import branched pipe.
Further, copper cross-over connection elbow is welded on U type pipe end port.
Further, the first import branched pipe, the second import branched pipe, triple feed inlet branched pipe and the first outlet branched pipe, the second outlet branched pipe, the 3rd outlet branched pipe are copper pipe.
Further, the first import branched pipe, the second import branched pipe, triple feed inlet branched pipe and the first outlet branched pipe, the second outlet branched pipe, the reducing of the terminal band of the 3rd outlet branched pipe.
Further, the first import branched pipe, the second import branched pipe, triple feed inlet branched pipe and the first outlet branched pipe, the second outlet branched pipe, the 3rd outlet branched pipe main body external diameter are 5mm.
Further, the reducing section external diameter of the first import branched pipe, the second import branched pipe, triple feed inlet branched pipe and the first outlet branched pipe, the second outlet branched pipe, the 3rd outlet branched pipe is 4.4mm, and internal diameter is 3.2mm, and length is 12-15mm.
Further, totally 12 of U type pipes, wherein heat exchanger one side distributes 6, and opposite side distributes 6.
Further, U type pipe is divided into three the tunnel, and first via U type pipe is distributed in 3 of 1 of heat exchanger windward side and leeward sides, and the second road U type pipe is distributed in 2 of 2 of heat exchanger windward sides and leeward sides, and Third Road U type pipe is distributed in 1 of 3 of heat exchanger windward sides and leeward side.
Further, U type external diameter of pipe is 5.05mm, and wall thickness is 0.20mm, and tooth depth is 0.14mm.
The present invention with respect to the beneficial effect of prior art is:
The present invention compares with existing heat exchanger, the quantity of U type copper pipe is constant, the branch way of cold-producing medium becomes 3 tunnel (upper, middle and lower three tunnel) by 2 the tunnel, flow scheme design upper inlet place adopts the distributor shunting, the exit adopts bourdon's tube to conflux, 3 tunnel flow process equates that omnidistance heat exchange is even, has improved the coefficient of heat transfer; To the distribute influence of heat exchange thermograde of the windward side that taken into full account air-condition heat exchanger and leeward side of the U type copper pipe of each stream, each stream all by separately heat exchange position respectively by being beneficial to most cold-producing medium along the principle of Cheng Huanre quantity at windward side and leeward side distribution U type copper pipe.Such design has taken into full account the influence of heat exchanger air quantity and thermograde, has improved the heat exchange uniformity on every road, thereby has improved the coefficient of heat transfer and heat exchange amount.Heat exchanger of the present invention can be under the prerequisite that reduces copper pipe weight about 30%, and it is suitable with the heat exchange amount of former Φ 7 heats exchange of heat pipe that the heat exchange amount keeps, and the refrigeration efficiency of complete machine (EER) and to heat efficiency (COP) same fair with former organic type.
Description of drawings
Fig. 1 is a heat exchanger schematic perspective view of the present invention;
Fig. 2 is heat exchanger of the present invention and former Φ 7 heats exchange of heat pipe assembling explosive view;
Fig. 3 is heat exchanger of the present invention refrigerant flow direction schematic diagram when air-conditioner freezes;
Fig. 4 is heat exchanger of the present invention refrigerant flow direction schematic diagram when air conditioner heat-production;
Fig. 5 is former Φ 7 heats exchange of heat pipe refrigerant flow direction schematic diagrames when air-conditioner freezes.
The specific embodiment
The present invention is further described below in conjunction with drawings and Examples.
As shown in Figure 1 and Figure 2, air-condition heat exchanger of the present invention, the double U type pipe 2 that comprises fin 1 and pass fin 1 inner chamber, distributor 3, the first import branched pipes 4, the second import branched pipes 5, triple feed inlet branched pipe 6, outlet gathers bourdon's tube 7, the first outlet branched pipes 8, the second outlet branched pipes 9, the 3rd outlet branched pipe 10, distribution is welded on copper cross-over connection elbow 11, cross-over connection elbow 12, cross-over connection elbow 13, the cross-over connection elbow 14 at U type pipe mouth of pipe two ends, feed tube 15, escape pipe 16 according to stream.
As shown in Figure 3, when air conditioner refrigerating, from off-premises station flow out cold-producing medium enter distributor 3 and be divided into three the tunnel through feed tube 15: the first via flows to port one 01 through the first import branched pipe 4, then along U type pipe 2 through cross-over connection elbow 12, cross-over connection elbow 11, flow out from port 201 at last, flow into outlet through the first outlet branched pipe 8 then and gather bourdon's tube 7; The second the tunnel flows to port one 02 through the second import branched pipe 5, then along U type pipe 2 through cross-over connection elbow 11, cross-over connection elbow 14, cross-over connection elbow 13, flow out from port 202 at last, flow into outlet through the second outlet branched pipe 9 then and gather bourdon's tube 7; Third Road flows to port one 03 through the second import branched pipe 6, then along U type pipe 2 through cross-over connection elbow 11, cross-over connection elbow 12, flow out from port 203 at last, flow into outlet through the 3rd outlet branched pipe 10 then and gather bourdon's tube 7.Three tunnel cold-producing medium gathers bourdon's tube 7 in outlet and gathers the back and flow into escape pipe 16 flows back to compressor then through indoor and outdoor connecting leg etc. air entry, again from the discharge of compressor ground exhaust outlet, finishes a complete kind of refrigeration cycle.
As shown in Figure 3, during air-condition heat exchanger of the present invention was made up of 4 foldings, the windward side of the heat exchanger that arrow refers to of band " AIR " symbol had been arranged 6 U type pipes 2 altogether at the whole heat exchanger of this side; Relative with windward side is the leeward side of heat exchanger, has arranged 6 U type pipes 2 equally at the whole heat exchanger of this side.When carrying out the flow path designs of heat exchanger, take into full account the variation of the thermograde of air quantity distribution and windward side and leeward side: the distributed quantity of first via U type pipe is 1 of a windward side, 3 of leeward sides; The distributed quantity of the second road U type pipe is 2 of windward sides, 2 of leeward sides; The distributed quantity of Third Road U type pipe is 3 of windward sides, 1 of leeward side.
As shown in Figure 4, when air-conditioning heats, from off-premises station flow out cold-producing medium enter outlet through escape pipe 16 and gather bourdon's tube 7 and be divided into three the tunnel: the first via flows to port 201 through the first outlet branched pipe 8, then along U type pipe 2 through cross-over connection elbow 11, cross-over connection elbow 12, flow out from port one 01 at last, flow into distributor 3 through the first import branched pipe 4 then; The second the tunnel flows to port 202 through the second outlet branched pipe 9, then along U type pipe 2 through cross-over connection elbow 13, cross-over connection elbow 14, cross-over connection elbow 11, flow out from port one 02 at last, the second import branched pipe 5 flows into distributors 3 then; Third Road flows to port 203 through the 3rd outlet branched pipe 10, then along U type pipe 2 through cross-over connection elbow 12, cross-over connection elbow 11, flow out from port one 03 at last, flow into distributors 3 through the second import branched pipe 6 then.Three tunnel cold-producing medium gathers the back at distributor 3 and flows into feed tube 15 flows back to compressor then through indoor and outdoor connecting leg, outdoor heat exchanger etc. air entry, again from the discharge of compressor ground exhaust outlet, finishes one and complete heats circulation.
As shown in Figure 5, the branch way of former Φ 7 heat exchange of heat pipe cold-producing mediums is a two-way, and wherein 301,302 is respectively the first stream entrance point, the second stream entrance point of heat exchanger; 401,402 is respectively first-class way outlet end, the second flowing path outlet end of heat exchanger; What equate separately in former each stream of Φ 7 heats exchange of heat pipe is distributed with 6 U type pipes.
Among the present invention, the characteristic parameter of U type pipe is not limited to the concrete parameter of indication in the technical scheme, and the similar U type pipe of making according to this U type pipe feature is equally within the protection domain of this patent.
Claims (10)
1. air-condition heat exchanger, comprise fin (1) and pass the U type pipe (2) of fin inner chamber, it is characterized in that also comprising that the copper cross-over connection elbow (11) that is fixed on U type pipe (2) end port, the feed tube (15) that links to each other with off-premises station and escape pipe (16), distributor (3), import branched pipe, outlet gather bourdon's tube (7) and export branched pipe.
2. air-condition heat exchanger as claimed in claim 1, it is characterized in that: described import branched pipe comprises the first import branched pipe (4), the second import branched pipe (5), triple feed inlet branched pipe (6), and described outlet branched pipe comprises the first outlet branched pipe (8) that is communicated with the first import branched pipe (4), second the 3rd outlet branched pipe (10) that exports branched pipe (9), is communicated with triple feed inlet branched pipe (6) that is communicated with the second import branched pipe (5).
3. air-condition heat exchanger as claimed in claim 2 is characterized in that: described copper cross-over connection elbow (11) is welded on U type pipe (2) end port.
4. air-condition heat exchanger according to claim 3 is characterized in that: the described first import branched pipe (4), the second import branched pipe (5), triple feed inlet branched pipe (6) and the first outlet branched pipe (8), the second outlet branched pipe (9), the 3rd outlet branched pipe (10) are copper pipe.
5. air-condition heat exchanger according to claim 4 is characterized in that: the described first import branched pipe (4), the second import branched pipe (5), triple feed inlet branched pipe (6) and the first outlet branched pipe (8), the second outlet branched pipe (9), the reducing of the terminal band of the 3rd outlet branched pipe (10).
6. air-condition heat exchanger according to claim 5 is characterized in that: the described first import branched pipe (4), the second import branched pipe (5), triple feed inlet branched pipe (6) and the first outlet branched pipe (8), the second outlet branched pipe (9), the 3rd outlet branched pipe (10) main body external diameter are 5mm.
7. air-condition heat exchanger according to claim 6, it is characterized in that: the reducing section external diameter of the described first import branched pipe (4), the second import branched pipe (5), triple feed inlet branched pipe (6) and the first outlet branched pipe (8), the second outlet branched pipe (9), the 3rd outlet branched pipe (10) is 4.4mm, internal diameter is 3.2mm, and length is 12-15mm.
8. according to any one described air-condition heat exchanger in the claim 1,2,3,4,5,6,7, it is characterized in that: totally 12 of described U type pipes (2), wherein heat exchanger one side distributes 6, and opposite side distributes 6.
9. air-condition heat exchanger according to claim 8, it is characterized in that: described U type pipe (2) is divided into three the tunnel, first via U type pipe is distributed in 3 of 1 of heat exchanger windward side and leeward sides, the second road U type pipe is distributed in 2 of 2 of heat exchanger windward sides and leeward sides, and Third Road U type pipe is distributed in 1 of 3 of heat exchanger windward sides and leeward side.
10. air-condition heat exchanger according to claim 9 is characterized in that: described U type pipe (2) external diameter is 5.05mm, and wall thickness is 0.20mm, and tooth depth is 0.14mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010602319 CN102052804A (en) | 2010-12-23 | 2010-12-23 | Air-conditioning heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010602319 CN102052804A (en) | 2010-12-23 | 2010-12-23 | Air-conditioning heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102052804A true CN102052804A (en) | 2011-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010602319 Pending CN102052804A (en) | 2010-12-23 | 2010-12-23 | Air-conditioning heat exchanger |
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| CN (1) | CN102052804A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018098991A1 (en) * | 2016-11-29 | 2018-06-07 | 美的集团武汉制冷设备有限公司 | Evaporator pipeline, evaporator, and air conditioner |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2378704Y (en) * | 1999-05-31 | 2000-05-17 | 范新 | Heat exchanger |
| US6241011B1 (en) * | 1993-12-28 | 2001-06-05 | Showa Aluminium Corporation | Layered heat exchangers |
| US20060196648A1 (en) * | 2005-03-07 | 2006-09-07 | Kim Myung-Sun | Heat dissipating fin for use in heat exchanger |
| CN101738016A (en) * | 2009-12-01 | 2010-06-16 | 海信（山东）空调有限公司 | High-efficiency condenser and air conditioner with same |
| CN101738012A (en) * | 2009-12-18 | 2010-06-16 | 海信科龙电器股份有限公司 | Heat exchanger of air conditioner with double rows of pipelines |
| CN201964688U (en) * | 2010-12-23 | 2011-09-07 | 海信科龙电器股份有限公司 | Air-conditioner heat exchanger |
-
2010
- 2010-12-23 CN CN 201010602319 patent/CN102052804A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6241011B1 (en) * | 1993-12-28 | 2001-06-05 | Showa Aluminium Corporation | Layered heat exchangers |
| CN2378704Y (en) * | 1999-05-31 | 2000-05-17 | 范新 | Heat exchanger |
| US20060196648A1 (en) * | 2005-03-07 | 2006-09-07 | Kim Myung-Sun | Heat dissipating fin for use in heat exchanger |
| CN101738016A (en) * | 2009-12-01 | 2010-06-16 | 海信（山东）空调有限公司 | High-efficiency condenser and air conditioner with same |
| CN101738012A (en) * | 2009-12-18 | 2010-06-16 | 海信科龙电器股份有限公司 | Heat exchanger of air conditioner with double rows of pipelines |
| CN201964688U (en) * | 2010-12-23 | 2011-09-07 | 海信科龙电器股份有限公司 | Air-conditioner heat exchanger |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018098991A1 (en) * | 2016-11-29 | 2018-06-07 | 美的集团武汉制冷设备有限公司 | Evaporator pipeline, evaporator, and air conditioner |
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Application publication date: 20110511 |