CN111197818A - Air condensing units and central air conditioning - Google Patents
Air condensing units and central air conditioning Download PDFInfo
- Publication number
- CN111197818A CN111197818A CN201811378967.8A CN201811378967A CN111197818A CN 111197818 A CN111197818 A CN 111197818A CN 201811378967 A CN201811378967 A CN 201811378967A CN 111197818 A CN111197818 A CN 111197818A
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- China
- Prior art keywords
- fan
- air
- heat exchanger
- outdoor unit
- air duct
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004378 air conditioning Methods 0.000 title description 5
- 239000007788 liquid Substances 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 8
- 238000005057 refrigeration Methods 0.000 abstract description 4
- 230000003068 static effect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000005452 bending Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- 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
- F24F1/08—Compressors specially adapted for separate outdoor units
- F24F1/12—Vibration or noise prevention thereof
-
- 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
- F24F1/40—Vibration or noise prevention at outdoor units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
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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 provides an air conditioner outdoor unit and a central air conditioner, which comprise a heat exchanger, a first fan and a second fan, wherein the heat exchanger is arranged on the air conditioner outdoor unit; the first fan and the second fan are arranged up and down along the air outlet direction; the heat exchanger is arranged around the first fan and the second fan to form an air duct; the first fan and the second fan are arranged in the air duct; or the first fan is arranged at the air outlet of the air duct, and the second fan is arranged in the air duct and is positioned below the first fan; by adopting the technical scheme, the air field distribution uniformity in the air duct of the outdoor unit of the air conditioner can be effectively improved, so that the heat exchange efficiency is improved, the static pressure resistance of a fan system can be effectively improved, the rotating speed and the power of the motor are reduced, and the cost is saved; according to the scheme provided by the invention, the noises of the fan system and the air conditioner refrigeration assembly can be effectively reduced, so that the experience of the air conditioner is improved.
Description
Technical Field
The invention belongs to the technical field of air conditioners, and particularly relates to an air conditioner outdoor unit and a central air conditioner.
Background
As shown in fig. 1 to 3, in the conventional central air-conditioning top outlet outdoor unit, a heat exchanger generally adopts a structure mode that a fan is arranged at the top of a unit; when the height of the heat exchanger is higher, the air inlet speed at the lower part of the heat exchanger can be linearly reduced, and the heat exchange effect is greatly influenced; generally, in order to improve the heat exchange efficiency, the air quantity (air inlet speed) needs to be increased by increasing the rotating speed of the motor, but the problems of noise, high motor power and the like are caused.
Based on the technical problems existing in the central air-conditioning outdoor unit, no relevant solution is provided; there is therefore a pressing need to find effective solutions to the above problems.
Disclosure of Invention
The invention aims to provide an air conditioner outdoor unit and a central air conditioner aiming at overcoming the defects in the prior art and solving the problem that the air inlet speed of the existing air conditioner outdoor unit is reduced.
The invention provides an air conditioner outdoor unit, which comprises a heat exchanger, a first fan and a second fan, wherein the heat exchanger is arranged on the air conditioner outdoor unit; the first fan and the second fan are arranged up and down along the air outlet direction; the heat exchanger is arranged around the first fan and the second fan to form an air duct; the first fan and the second fan are arranged in the air duct; or the first fan is arranged at the air outlet of the air duct, and the second fan is arranged in the air duct and is positioned below the first fan; by adopting the scheme, the air inlet and outlet speed of the air duct can be increased, so that the heat exchange efficiency is improved.
Furthermore, the first fan and the second fan are coaxially arranged along the axial direction of the air duct, so that the air guide effect of the fans is better, and the noise is reduced.
Further, the cross section in wind channel is square or circular to the installation of the different heat exchangers of adaptation improves the air-out effect simultaneously.
Further, the first fan is arranged at the air outlet of the air duct through the first guide ring; and/or the second fan is arranged in the air duct through a second guide ring; the fan adopts the installation of water conservancy diversion circle, not only can realize the installation firm, can also realize the function of water conservancy diversion.
Further, the device also comprises a bottom mounting component; the heat exchanger is fixedly arranged on the bottom mounting assembly; the second fan is arranged in the air duct through a support frame; the supporting frame is fixed on the bottom mounting component; first fan passes through the water conservancy diversion circle and sets up in the air outlet department in wind channel, makes mounting structure more firm like this.
Further, the device also comprises a compressor; the compressor is arranged in a cavity independent of the side edge of the heat exchanger; and a partition plate is arranged between the compressor and the heat exchanger, so that a separation structure is formed.
Furthermore, an included angle a is formed between the partition plate and the heat exchanger to ventilate the heat exchanger and improve the air outlet speed.
Furthermore, the baffle plate forms an included angle a with the heat exchanger through the folded edge; the included angle a is 0-45 deg.
Further, the device also comprises a compressor; the bottom mounting assembly comprises a chassis and a bottom beam; the compressor is arranged on the bottom beam through the base plate and is positioned on the side edge of the heat exchanger, so that the installation among all parts of the outdoor unit of the air conditioner is better realized, and the space is saved.
Further, the oil separator, the gas-liquid separator and the four-way valve are also included; the oil separator, the gas-liquid separator and the four-way valve are arranged in a cavity independent from the side edge of the heat exchanger; the oil separator and the gas-liquid separator are fixedly arranged on the bottom mounting assembly, so that the mounting among all parts of the outdoor unit of the air conditioner is better realized, and the space is saved.
The invention also provides a central air conditioner which comprises an air conditioner outdoor unit, wherein the air conditioner outdoor unit is the air conditioner outdoor unit.
By adopting the technical scheme, the air field distribution uniformity in the air duct of the outdoor unit of the air conditioner can be effectively improved, so that the heat exchange efficiency is improved, the static pressure resistance of a fan system can be effectively improved, the rotating speed and the power of the motor are reduced, and the cost is saved; according to the scheme provided by the invention, the noises of the fan system and the air conditioner refrigeration assembly can be effectively reduced, so that the experience of the air conditioner is improved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The invention will be further explained with reference to the drawings, in which:
FIG. 1 is a bottom view of an outdoor unit of a prior art air conditioner;
FIG. 2 is a graph of the relationship between the air intake speed and the height of a heat exchanger in the prior art;
FIG. 3 is a prior art air conditioner outdoor unit main view;
FIG. 4 is a front view of an air duct structure of an outdoor unit of an air conditioner according to the present invention;
FIG. 5 is a sectional view taken along A-A of FIG. 4;
FIG. 6 is a front view of an outdoor unit of an air conditioner according to the present invention;
fig. 7 is a bottom view of an outdoor unit of an air conditioner according to the present invention;
FIG. 8 is an elevational view of an outdoor unit of an air conditioner according to the present invention;
FIG. 9 is a schematic view of an outdoor unit of an air conditioner according to the present invention;
FIG. 10 is a graph showing the relationship between the air intake velocity and the height of the heat exchanger in the present invention.
In the figure: 1. a compressor; 2. an oil separator; 3. a gas-liquid separator; 4. a four-way valve; 5. a heat exchanger; 6. a flow guide ring; 61. a first flow guiding ring; 62. a second flow guiding ring; 63. a support frame; 7. a fan; 71. a first fan; 72. a second fan; 8. a partition plate; 9. a bottom mounting assembly; 91. a chassis; 92. a bottom beam; 10. a fan side; 20. the compressor side.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 4 to 10, the present invention provides an outdoor unit of an air conditioner, including a heat exchanger 5 and a fan 7; the blower 7 includes a first blower 71 and a second blower 72; the first fan 71 and the second fan 72 are arranged up and down along the air outlet direction, specifically, the first fan 71 and the second fan 72 are arranged up and down in series along the air outlet direction, and the first fan 71 and the second fan 72 are arranged in an air duct at one side of an outdoor unit of an air conditioner; the heat exchanger 5 is a multi-fold heat exchanger which is arranged around the first fan 71 and the second fan 72 to form an air duct; the multi-fold heat exchanger can be a hollow heat exchanger structure formed by bending a single heat exchanger, or a hollow heat exchanger structure formed by bending a plurality of heat exchangers respectively, so that the air conditioner outdoor unit can intake air into the air duct from the outer side of the heat exchanger to realize the heat exchange process; specifically, in the present embodiment, the first fan 71 and the second fan 72 are both disposed in the air duct, and form a series fan system along the air duct; or, the first fan 71 is arranged at the air outlet of the air duct, and the second fan 72 is arranged in the air duct and positioned below the first fan 71 to form a series fan system; by adopting the scheme, even if the height of the heat exchanger is increased so as to conveniently form the air channel of the serial fan, the air inlet speed of the heat exchanger can be effectively ensured, and the heat exchange effect is improved.
Preferably, with the above solutions, as shown in fig. 4 to 10, in this embodiment, the first fan 71 and the second fan 72 are disposed non-coaxially or coaxially along the axial direction of the air duct, so that both series connection air outlet can be realized, and the air outlet efficiency and the heat exchange effect are improved; specifically, in the design process of actual products, based on the consideration of the best air outlet efficiency, the first fan 71 and the second fan 72 are coaxially arranged along the axial direction of the air duct, and the coaxial arrangement has a better air guide effect compared with the non-coaxial arrangement, so that the turbulence phenomenon can not be generated, the noise can be effectively reduced, and the experience of the air conditioner is improved.
Preferably, with reference to the above solutions, as shown in fig. 4 to 10, in this embodiment, based on the design consideration of air outlet of the air duct, the heat exchanger 5 forms the air duct by bending, and the cross section of the air duct may be square or circular; further, the first fan 71 is disposed at an air outlet of the air duct through the first flow guiding ring 61, and the air outlet may be an internal air outlet or an external air outlet of the air duct; specifically, the first flow guiding ring 61 may be fixedly disposed on the heat exchanger of the air outlet; and/or the second fan 72 is arranged in the air duct through a second guide ring, so as to guide air; specifically, the first fan 71 is arranged at the air outlet of the air duct through the first flow guiding ring 61; the second fan 72 can be selectively arranged in the air duct through a second guide ring, or can be directly arranged in the air duct without the second guide ring, and when the second guide ring is arranged, the second guide ring can be fixedly arranged on the heat exchanger or fixed on a bottom mounting component of the air conditioner through a support frame; when the second guide ring is not needed, the second fan 72 can also be directly fixed on the heat exchanger in the air duct.
Preferably, in combination with the above solution, as shown in fig. 4 to 10, in this embodiment, a bottom mounting assembly 9 is further included; one end of the heat exchanger 5 is fixedly arranged on the bottom mounting component 9; the second fan 72 is arranged in the air duct through the supporting frame 63; the supporting frame 63 is fixed on the bottom mounting component 9 to improve the mounting stability of the fan; specifically, the first fan 71 is arranged at the air outlet of the air duct through the guide ring, and the guide ring is fixedly arranged on the air conditioner shell or the heat exchanger, so that the fan system structure is firmer, and the installation space is saved.
Preferably, in combination with the above scheme, as shown in fig. 4 to 10, the present embodiment further includes a compressor 1; the compressor 1 is arranged in a cavity independent of the side edge of the heat exchanger 5 to reduce air duct resistance, and the compressor 1 is sealed by a sound insulation material to reduce noise; a partition plate 8 is arranged between the compressor 1 and the heat exchanger 5; an included angle a is formed between the partition plate 8 and the heat exchanger 5 so as to ventilate the side edge of the heat exchanger 5; specifically, the baffle plate 8 forms an included angle a with the heat exchanger 5 through the folded edge; the angle a may be 0 ° to 45 °, in particular, the angle a may be 45 °, 40 °, 32 °, 28 °, 24 °, 15 ° or 10 °; the design is generally 45 degrees, so that the air guide can be effectively realized and the installation space of the compressor is not obstructed.
Preferably, in combination with the above scheme, as shown in fig. 4 to 10, the present embodiment further includes a compressor 1; the bottom mounting assembly 9 comprises a chassis 91 and a bottom beam 92; a bottom plate component is arranged on the bottom beam 92; the heat exchanger 5 is fixedly arranged on a bottom plate assembly of the bottom beam 92 through a chassis 91; the compressor 1 is fixedly arranged on the bottom plate component of the bottom beam 92 and is positioned on the side edge of the heat exchanger 5, so that the compressor 1 and an air duct are arranged side by side, and the influence of the compressor on air guiding of the air duct is avoided.
Preferably, in combination with the above solutions, as shown in fig. 4 to 10, the present embodiment further includes an oil separator 2, a gas-liquid separator 3, and a four-way valve 4; the oil separator 2, the gas-liquid separator 3 and the four-way valve 4 are arranged in a cavity independent of the side edge of the heat exchanger 5, so that each part of the air-conditioning refrigeration system is separated from the fan system for sound insulation, the air duct resistance is reduced, and the utilization space of the installation position is improved; the oil separator 2 and the gas-liquid separator 3 are fixedly disposed on the bottom mounting assembly 9.
Correspondingly, in combination with the above scheme, the present invention further provides a central air conditioner, which includes an air conditioner outdoor unit, wherein the air conditioner outdoor unit is the above air conditioner outdoor unit.
By adopting the technical scheme, the air field distribution uniformity in the air duct of the outdoor unit of the air conditioner can be effectively improved, so that the heat exchange efficiency is improved, the static pressure resistance of a fan system can be effectively improved, the rotating speed and the power of the motor are reduced, and the cost is saved; according to the scheme provided by the invention, the noises of the fan system and the air conditioner refrigeration assembly can be effectively reduced, so that the experience of the air conditioner is improved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Those skilled in the art can make numerous possible variations and modifications to the described embodiments, or modify equivalent embodiments, without departing from the scope of the invention. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present invention are within the protection scope of the present invention, unless the content of the technical solution of the present invention is departed from.
Claims (11)
1. An outdoor unit of an air conditioner includes a heat exchanger (5), a first fan (71), and a second fan (72); the air conditioner is characterized in that the first fan (71) and the second fan (72) are arranged up and down along the air outlet direction; the heat exchanger (5) is arranged around the first fan (71) and the second fan (72) to form an air duct; the first fan (71) and the second fan (72) are arranged in the air duct; or the first fan is arranged at the air outlet of the air duct, and the second fan (72) is arranged in the air duct and is positioned below the first fan (71).
2. The outdoor unit of claim 1, wherein the first fan (71) and the second fan (72) are coaxially disposed along the axial direction of the air duct.
3. The outdoor unit of claim 2, wherein the duct has a square or circular cross-section.
4. The outdoor unit of claim 1, wherein the first fan (71) is disposed at an air outlet of the air duct by a first deflector (61); and/or the second fan (72) is arranged in the air duct through a second guide ring (62).
5. The outdoor unit of claim 1, further comprising a bottom mounting assembly (9); the heat exchanger (5) is fixedly arranged on the bottom mounting assembly (9); the second fan (72) is arranged in the air duct through a support frame (63); the supporting frame (63) is fixed on the bottom mounting component (9); the first fan (71) is arranged at the air outlet of the air duct through a guide ring.
6. The outdoor unit of claim 1, further comprising a compressor (1); the compressor (1) is arranged in a cavity independent of the side edge of the heat exchanger (5); a partition plate (8) is arranged between the compressor (1) and the heat exchanger (5).
7. The outdoor unit of claim 6, wherein the partition (8) forms an angle a with the heat exchanger (5) to ventilate the heat exchanger (5).
8. The outdoor unit of claim 7, wherein the partition (8) forms the angle a with the heat exchanger (5) by folding; the included angle a is 0-45 degrees.
9. The outdoor unit of claim 5, further comprising a compressor (1); the bottom mounting assembly (9) comprises a chassis (91) and a bottom beam (92); (ii) a The compressor (1) is arranged on the bottom beam (92) through the chassis and is positioned on the side edge of the heat exchanger (5).
10. The outdoor unit of claim 9, further comprising an oil separator (2), a gas-liquid separator (3), and a four-way valve (4); the oil separator (2), the gas-liquid separator (3) and the four-way valve (4) are arranged in a cavity independent of the side edge of the heat exchanger (5); the oil separator (2) and the gas-liquid separator (3) are fixedly arranged on the bottom mounting assembly (9).
11. An outdoor unit of an air conditioner, comprising the outdoor unit of the air conditioner according to any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811378967.8A CN111197818A (en) | 2018-11-19 | 2018-11-19 | Air condensing units and central air conditioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811378967.8A CN111197818A (en) | 2018-11-19 | 2018-11-19 | Air condensing units and central air conditioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111197818A true CN111197818A (en) | 2020-05-26 |
Family
ID=70743891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811378967.8A Pending CN111197818A (en) | 2018-11-19 | 2018-11-19 | Air condensing units and central air conditioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111197818A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114322112A (en) * | 2020-10-10 | 2022-04-12 | 广东美的暖通设备有限公司 | Outdoor unit of air conditioner |
| CN114322113A (en) * | 2020-10-10 | 2022-04-12 | 广东美的暖通设备有限公司 | Air conditioner outdoor unit and vibration reduction method thereof |
| CN114992799A (en) * | 2022-05-05 | 2022-09-02 | 青岛海尔空调电子有限公司 | Air conditioner outdoor unit and control method of air conditioner |
| CN114992799B (en) * | 2022-05-05 | 2024-06-07 | 青岛海尔空调电子有限公司 | Air conditioner outdoor unit and control method of air conditioner |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2329894Y (en) * | 1998-05-29 | 1999-07-21 | 王广乃 | Multifunctional domestic integrated electric appliance |
| CN201811358U (en) * | 2010-09-22 | 2011-04-27 | 广东美的电器股份有限公司 | Indoor unit of ground air conditioner |
| CN203671796U (en) * | 2013-12-24 | 2014-06-25 | 珠海格力电器股份有限公司 | Air conditioner outdoor unit and air conditioner |
| CN107300223A (en) * | 2017-08-22 | 2017-10-27 | 广东美的制冷设备有限公司 | Air-conditioner outdoor unit and the air conditioner with it |
| CN207094780U (en) * | 2017-06-09 | 2018-03-13 | 河南吉之星电子科技有限公司 | A kind of air precision air conditioning system |
| CN108507044A (en) * | 2018-05-04 | 2018-09-07 | 广东美的制冷设备有限公司 | Support for outdoor unit of air-conditioner, air-conditioner outdoor unit and air conditioner |
| CN209165598U (en) * | 2018-11-19 | 2019-07-26 | 宁波奥克斯电气股份有限公司 | A kind of air-conditioner outdoor unit and central air-conditioning |
-
2018
- 2018-11-19 CN CN201811378967.8A patent/CN111197818A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2329894Y (en) * | 1998-05-29 | 1999-07-21 | 王广乃 | Multifunctional domestic integrated electric appliance |
| CN201811358U (en) * | 2010-09-22 | 2011-04-27 | 广东美的电器股份有限公司 | Indoor unit of ground air conditioner |
| CN203671796U (en) * | 2013-12-24 | 2014-06-25 | 珠海格力电器股份有限公司 | Air conditioner outdoor unit and air conditioner |
| CN207094780U (en) * | 2017-06-09 | 2018-03-13 | 河南吉之星电子科技有限公司 | A kind of air precision air conditioning system |
| CN107300223A (en) * | 2017-08-22 | 2017-10-27 | 广东美的制冷设备有限公司 | Air-conditioner outdoor unit and the air conditioner with it |
| CN108507044A (en) * | 2018-05-04 | 2018-09-07 | 广东美的制冷设备有限公司 | Support for outdoor unit of air-conditioner, air-conditioner outdoor unit and air conditioner |
| CN209165598U (en) * | 2018-11-19 | 2019-07-26 | 宁波奥克斯电气股份有限公司 | A kind of air-conditioner outdoor unit and central air-conditioning |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114322112A (en) * | 2020-10-10 | 2022-04-12 | 广东美的暖通设备有限公司 | Outdoor unit of air conditioner |
| CN114322113A (en) * | 2020-10-10 | 2022-04-12 | 广东美的暖通设备有限公司 | Air conditioner outdoor unit and vibration reduction method thereof |
| CN114322112B (en) * | 2020-10-10 | 2023-12-29 | 广东美的暖通设备有限公司 | Air conditioner outdoor unit |
| CN114992799A (en) * | 2022-05-05 | 2022-09-02 | 青岛海尔空调电子有限公司 | Air conditioner outdoor unit and control method of air conditioner |
| CN114992799B (en) * | 2022-05-05 | 2024-06-07 | 青岛海尔空调电子有限公司 | Air conditioner outdoor unit and control method of air conditioner |
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