CN109631175B - Air conditioner, outdoor unit and heat exchanger based on non-uniform head-on wind speed optimization - Google Patents
Air conditioner, outdoor unit and heat exchanger based on non-uniform head-on wind speed optimization Download PDFInfo
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- CN109631175B CN109631175B CN201811537306.5A CN201811537306A CN109631175B CN 109631175 B CN109631175 B CN 109631175B CN 201811537306 A CN201811537306 A CN 201811537306A CN 109631175 B CN109631175 B CN 109631175B
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- heat exchanger
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- outdoor unit
- inner cavity
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- 238000005457 optimization Methods 0.000 title claims abstract description 7
- 238000005452 bending Methods 0.000 claims abstract description 18
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/14—Heat exchangers specially adapted for separate outdoor units
- F24F1/18—Heat exchangers specially adapted for separate outdoor units characterised by their shape
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/46—Component arrangements in separate outdoor units
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention discloses an air conditioner, an outdoor unit and a heat exchanger thereof based on non-uniform head-on wind speed optimization, wherein the heat exchanger comprises three sections of heat exchangers which are connected in sequence, the three sections of heat exchangers are respectively a first section of heat exchanger, a second section of heat exchanger and a third section of heat exchanger, the first section of heat exchanger and the second section of heat exchanger are positioned at the same side of two ends of the third section of heat exchanger, and an inner cavity for accommodating internal components such as a compressor is formed between the three sections of heat exchangers; the bending angle between the two adjacent sub heat exchangers refers to an included angle between the two adjacent sub heat exchangers towards the inner cavity, the bending angle between the first sub heat exchanger and the second sub heat exchanger is 30-60 degrees, and the bending angle between the third sub heat exchanger and the second sub heat exchanger is 30-60 degrees. The structural design of the heat exchanger can effectively solve the problem that the windward speed of the heat exchanger is not uniformly distributed.
Description
Technical Field
The invention belongs to the technical field of air conditioner structures, and particularly relates to an air conditioner, an outdoor unit and a heat exchanger thereof based on non-uniform head-on wind speed optimization.
Background
Heat exchangers are widely used in various fields of production and life as important parts in industrial production. In recent years, with the development of society and the progress of science and technology, the requirements of production and life on the high efficiency, the compactness and the reliability of the heat exchanger are higher and higher, and a novel enhanced heat exchange technology and a heat exchanger optimization design method are continuously applied to the heat exchanger. The heat exchanger of the central air conditioner with the top-mounted fan in the prior art is generally U-shaped and comprises two sections of branch heat exchangers with side air inlet and one section of branch heat exchanger with front air inlet, and the fan is arranged at the top. However, due to the arrangement, the air inlet speed of the heat exchanger close to the bottom of the box body is low, the air inlet speed of the part close to the fan is high, the nonuniformity of the arranging windward speed of the heat exchanger is obvious, and the heat exchange performance of the heat exchanger is seriously weakened.
In conclusion, how to effectively improve the unevenness of the windward speed of the heat exchanger is a problem which needs to be solved by those skilled in the art.
Disclosure of Invention
In order to overcome the above-mentioned disadvantages of the prior art, a first object of the present invention is to provide a heat exchanger having a structure designed to effectively improve the problem of non-uniformity of the head-on wind speed of the heat exchanger, and a second object of the present invention is to provide an outdoor unit including the heat exchanger and an air conditioner including the outdoor unit.
In order to achieve the purpose, the invention adopts the technical scheme that:
a heat exchanger based on non-uniform head-on wind speed optimization comprises three sub-heat exchangers which are sequentially connected, wherein the three sub-heat exchangers are respectively a first sub-heat exchanger, a second sub-heat exchanger and a third sub-heat exchanger, the first sub-heat exchanger and the second sub-heat exchanger are located on the same side of two ends of the third sub-heat exchanger, and an inner cavity for containing internal components is formed between the three sub-heat exchangers.
The bending angle between the two adjacent sub heat exchangers refers to an included angle between the two adjacent sub heat exchangers towards the inner part of the inner cavity, the bending angle between the first sub heat exchanger and the third sub heat exchanger is 30-60 degrees, and the bending angle between the third sub heat exchanger and the second sub heat exchanger is 30-60 degrees.
Preferably, in the heat exchanger, a bending angle between the first section of the heat exchanger and the third section of the heat exchanger is 30 ° to 45 °, and a bending angle between the second section of the heat exchanger and the third section of the heat exchanger is 30 ° to 45 °.
Preferably, the third heat exchanger section forms a bent sharp corner towards the inside of the inner cavity, so that the sequentially connected three heat exchanger sections are M-shaped or approximately M-shaped.
Preferably, the length of the first section heat exchanger is 50mm-350 mm.
Preferably, the length of the second section heat exchanger is 80-500 mm.
Preferably, the length difference between the third section of the heat exchanger and the first section of the heat exchanger is 100mm-400 mm.
Preferably, a fan is arranged right above the inner cavity.
Preferably, the fan is 5mm-20mm away from the top of the heat exchanger. An outdoor unit comprising a heat exchanger as claimed in any one of the preceding claims.
An air conditioner comprising the outdoor unit as described above.
When the heat exchanger provided by the invention is applied, the fan is arranged at the top of the heat exchanger, and the head-on wind speed at the bottom of the third sectional heat exchanger is obviously improved, so that the condition that the head-on wind speed of the heat exchanger is not uniformly distributed is improved, and the heat exchange performance of the heat exchanger is improved. In addition, the heat exchanger structure provided by the invention has the advantages that the windward area of the heat exchanger is increased, the length of the heat exchange tube is increased, and the heat exchange capacity of the heat exchanger is improved.
In order to achieve the second objective, the present invention further provides an outdoor unit, which includes the heat exchanger. Since the heat exchanger has the above effects, an outdoor unit having the heat exchanger should also have corresponding technical effects. The invention also provides an air conditioner comprising the outdoor unit, and the air conditioner also has corresponding technical effects, which are not described herein again.
Drawings
Fig. 1 is a schematic structural diagram of a heat exchanger in the prior art.
Fig. 2 is a top view of the heat exchanger structure of the present invention.
Fig. 3 is an oblique view of an outdoor unit and a heat exchanger thereof according to the present invention.
Fig. 4 is a rear view of an outdoor unit and a heat exchanger thereof according to the present invention.
Detailed Description
A first object of the present invention is to provide a heat exchanger having a structure designed to effectively solve the problem of uneven head-on wind speed of the heat exchanger, and a second object of the present invention is to provide an outdoor unit including the heat exchanger and an air conditioner including the outdoor unit.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the embodiments described are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, a heat exchanger provided in an embodiment of the present invention includes three sub-heat exchangers connected in sequence, where the three sub-heat exchangers connected in sequence are a first sub-heat exchanger 1, a third sub-heat exchanger 3, and a second sub-heat exchanger 2, each sub-heat exchanger is of a plate-like structure, the first sub-heat exchanger 1 and the second sub-heat exchanger 2 are connected to two ends of the third sub-heat exchanger 3, and the three sub-heat exchangers are connected end to form an integral heat exchanger. The first section branch heat exchanger 1 and the second section branch heat exchanger 2 are located on the same side of two ends of the third section branch heat exchanger 3, and an inner cavity 4 for containing internal components is formed between the section branch heat exchangers.
The bending angle between two adjacent sections of branch heat exchangers refers to an included angle between two adjacent sections of branch heat exchangers towards the inner part of the inner cavity, namely the bending angle between two adjacent sections of branch heat exchangers is an angle through which one section of branch heat exchanger is bent to the other section of branch heat exchanger in the inner cavity.
The key point is that the bending angle between the first section of the fractional heat exchanger 1 and the third section of the fractional heat exchanger 3 is 30-45 degrees, and the bending angle between the second section 2 and the third section of the fractional heat exchanger 3 is 30-45 degrees.
When the heat exchanger provided by the invention is applied, the fan is arranged at the top of the heat exchanger, and the head-on wind speed at the bottom of the third sectional heat exchanger is obviously improved, so that the condition that the head-on wind speed of the heat exchanger is not uniformly distributed is improved, and the heat exchange performance of the heat exchanger is improved. In addition, the heat exchanger structure provided by the invention has the advantages that the windward area of the heat exchanger is increased, the length of the heat exchange tube is increased, and the heat exchange capacity of the heat exchanger is improved.
The three-segment heat exchanger can be of an integrated structure, is formed by bending three times and is connected by round corners. Preferably, the bending angle between the first sectional heat exchanger 1 and the third sectional heat exchanger 3 and the bending angle between the third sectional heat exchanger 3 and the second sectional heat exchanger 2 may be the same.
Further, in the above embodiment, the length of the first section heat exchanger 1 is 50mm-350mm, the length of the second section heat exchanger 2 is 80-500mm, and the length difference between the third section heat exchanger 3 and the first section heat exchanger 1 is 100mm-400 mm. The fan is arranged on the top 6 of the heat exchanger, and the distance from the fan to the top 6 of the heat exchanger is 5mm-20 mm.
Based on the heat exchanger provided in the above embodiment, the invention further provides an outdoor unit, which includes any one of the heat exchangers in the above embodiments. Because the outdoor unit employs the heat exchanger in the above embodiment, please refer to the above embodiment for the beneficial effects of the outdoor unit.
The present invention further provides an air conditioner, which includes the outdoor unit, and therefore, the beneficial effects of the air conditioner refer to the above embodiment.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A heat exchanger based on non-uniform head-on wind speed optimization is characterized by comprising three section heat exchangers which are connected in sequence, wherein the three section heat exchangers are respectively a first section heat exchanger (1), a second section heat exchanger (2) and a third section heat exchanger (3), the first section heat exchanger (1) and the second section heat exchanger (2) are positioned at the same side of two ends of the third section heat exchanger (3), an inner cavity (4) for accommodating internal components is formed between the three section heat exchangers, the third section heat exchanger (3) forms a bent sharp corner towards the inner cavity (4) so that the three section heat exchangers connected in sequence are M-shaped or approximate M-shaped, a fan (5) is arranged right above the inner cavity (4), and the distance between the fan (5) and the top (6) of the heat exchanger is 5-20 mm, the three-section heat exchangers connected in sequence are M-shaped or approximately M-shaped when viewed from the inner cavity (4) along the fan (5).
2. The heat exchanger optimized based on the non-uniform head-on wind speed according to claim 1, wherein the bending angle between two adjacent sub-heat exchangers refers to an included angle between the two adjacent sub-heat exchangers towards the inside of the inner cavity (4), the bending angle between the first sub-heat exchanger (1) and the third sub-heat exchanger (3) is 30-60 degrees, and the bending angle between the third sub-heat exchanger (3) and the second sub-heat exchanger (2) is 30-60 degrees.
3. The heat exchanger optimized on the basis of non-uniform head-on wind speeds according to claim 1, characterized in that the first segmental heat exchanger (1) has a length of 50-350 mm.
4. The heat exchanger optimized on the basis of non-uniform head-on wind speeds according to claim 1, characterized in that the length of the second segmental heat exchanger (2) is 80-500 mm.
5. The heat exchanger optimized on the basis of non-uniform head-on wind speeds according to claim 1, characterized in that the difference in length between the third sectional heat exchanger (3) and the first sectional heat exchanger (1) is 100-400 mm.
6. An outdoor unit comprising the heat exchanger according to any one of claims 1 to 5.
7. An air conditioner comprising the outdoor unit of claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811537306.5A CN109631175B (en) | 2018-12-15 | 2018-12-15 | Air conditioner, outdoor unit and heat exchanger based on non-uniform head-on wind speed optimization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811537306.5A CN109631175B (en) | 2018-12-15 | 2018-12-15 | Air conditioner, outdoor unit and heat exchanger based on non-uniform head-on wind speed optimization |
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| Publication Number | Publication Date |
|---|---|
| CN109631175A CN109631175A (en) | 2019-04-16 |
| CN109631175B true CN109631175B (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811537306.5A Active CN109631175B (en) | 2018-12-15 | 2018-12-15 | Air conditioner, outdoor unit and heat exchanger based on non-uniform head-on wind speed optimization |
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| CN (1) | CN109631175B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1252125A (en) * | 1997-12-03 | 2000-05-03 | 株式会社东芝 | Outdoor unit of air conditioner |
| CN203489378U (en) * | 2013-08-14 | 2014-03-19 | 珠海格力电器股份有限公司 | Outdoor heat exchanger of air conditioner and air conditioning unit with outdoor heat exchanger |
| CN203928498U (en) * | 2014-05-30 | 2014-11-05 | 美的集团武汉制冷设备有限公司 | Spiral heat exchanger and air-conditioner |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0886458A (en) * | 1994-09-14 | 1996-04-02 | Toshiba Corp | Air conditioner |
| KR100187227B1 (en) * | 1995-12-14 | 1999-05-01 | 김광호 | Outdoor machine of airconditioner |
| CN104964359A (en) * | 2015-06-23 | 2015-10-07 | 江苏春兰制冷设备股份有限公司 | Room frequency conversion refrigerator air conditioner |
| CN106322508A (en) * | 2015-06-25 | 2017-01-11 | 青岛海尔智能技术研发有限公司 | Air-conditioning indoor unit and air-conditioning unit |
| CN105588227A (en) * | 2015-08-19 | 2016-05-18 | 青岛海信日立空调系统有限公司 | Air conditioner outdoor unit and air conditioner |
| CN105588225A (en) * | 2016-02-29 | 2016-05-18 | 珠海格力电器股份有限公司 | Air conditioner, outdoor unit and heat exchanger thereof |
-
2018
- 2018-12-15 CN CN201811537306.5A patent/CN109631175B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1252125A (en) * | 1997-12-03 | 2000-05-03 | 株式会社东芝 | Outdoor unit of air conditioner |
| CN203489378U (en) * | 2013-08-14 | 2014-03-19 | 珠海格力电器股份有限公司 | Outdoor heat exchanger of air conditioner and air conditioning unit with outdoor heat exchanger |
| CN203928498U (en) * | 2014-05-30 | 2014-11-05 | 美的集团武汉制冷设备有限公司 | Spiral heat exchanger and air-conditioner |
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| CN109631175A (en) | 2019-04-16 |
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