WO2021062782A1 - 低噪音空调一体机 - Google Patents

低噪音空调一体机 Download PDF

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Publication number
WO2021062782A1
WO2021062782A1 PCT/CN2019/109706 CN2019109706W WO2021062782A1 WO 2021062782 A1 WO2021062782 A1 WO 2021062782A1 CN 2019109706 W CN2019109706 W CN 2019109706W WO 2021062782 A1 WO2021062782 A1 WO 2021062782A1
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Prior art keywords
chamber
air
housing
fan
compressor
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PCT/CN2019/109706
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English (en)
French (fr)
Inventor
曾国辉
Original Assignee
曾国辉
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Application filed by 曾国辉 filed Critical 曾国辉
Priority to PCT/CN2019/109706 priority Critical patent/WO2021062782A1/zh
Publication of WO2021062782A1 publication Critical patent/WO2021062782A1/zh

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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
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing

Definitions

  • the invention relates to the technical field of air conditioners, in particular to a low-noise air conditioner integrated machine.
  • the compressor is arranged on the indoor side in a way that avoids the circulation loop of the cold air flow, the surrounding air will be heated when the compressor is running, and the local temperature around the compressor is much higher than the room temperature when there is no air flow through and the heat is taken away. It is even higher than the outdoor high temperature but the external fan continues to dissipate the heat of the compressor. The heat generated by the compressor will eventually be transferred to the room and affect the cooling effect, and may cause the compressor to overheat and self-protect .
  • the purpose of the present invention is to solve the above-mentioned problems in the prior art. After in-depth calculation and analysis of the influence of compressor heat consumption and compressor operating temperature on the cooling effect and power consumption, a truly effective low-noise industry is proposed. Air conditioning solutions.
  • the technical problem to be solved by the present invention is to provide a low-noise air conditioner integrated machine with a built-in compressor.
  • the technical solution adopted by the present invention to solve its technical problems is to provide a low-noise air-conditioning integrated machine, which includes a casing, an inner fan, an evaporator, a compressor, an outer fan, and a condenser installed in the casing.
  • the housing is provided with a first chamber and a second chamber; the compressor is in the first chamber, the external fan and the condenser are in the second chamber, and the first chamber and the second chamber are Room isolation
  • the first chamber is located in the blowing direction of the inner fan and can be connected to the air flow sent by the inner fan.
  • the evaporator is arranged in the blowing direction of the inner fan, the first chamber is located downstream of the evaporator along the blowing direction of the inner fan, and the cold air from the evaporator can be Blowing to the first chamber where the compressor is located.
  • a third chamber is further provided in the housing; the third chamber is isolated from the second chamber and communicates with the first chamber; the internal fan and the evaporator are located in the The third chamber.
  • the housing is provided with a first air inlet and a first air outlet communicating with the third chamber;
  • the inner fan is arranged corresponding to the first air inlet, and the air inlet end of the inner fan Facing the first air inlet, the air supply end of the inner fan faces the evaporator;
  • the evaporator is arranged corresponding to the first air outlet;
  • the housing is provided with a second air inlet and a second air outlet communicating with the second chamber; the outer fan is arranged corresponding to the second air inlet, and the air inlet end of the outer fan faces the The second air inlet, the air supply end of the external fan faces the condenser; the condenser is arranged corresponding to the second air outlet.
  • the low-noise air-conditioning integrated machine further includes a first partition and a second partition arranged in the casing, the first partition and the second partition are connected and separate from each other in the casing.
  • the first partition or the second partition is provided with an air inlet connecting the first chamber and the third chamber, and the cold air from the evaporator enters the air inlet through the air inlet. ⁇ Said the first chamber.
  • an exhaust port facing indoors or outdoors is provided on the housing, and the exhaust port communicates with the first chamber.
  • an auxiliary fan is provided at the air inlet.
  • the external fan is a low-speed large fan with a rotation speed ⁇ 1200 rpm.
  • the first chamber is located at the lower inner end of the housing
  • the second chamber is located at the upper inner end of the housing and extends to one side of the first chamber
  • the inner fan and the evaporator are located at the lower end of the housing.
  • the housing is located above the first chamber; the external fan is installed at the lower end of the housing in the second chamber and located on one side of the first chamber, and the condenser is located in the second chamber.
  • the second chamber is installed at the upper end of the housing.
  • the low-noise air-conditioning integrated machine of the present invention after in-depth calculation and analysis of the influence of compressor heat consumption and compressor operating temperature on the refrigeration effect and power consumption, the compressor is set in the air supply direction of the inner fan, which effectively solves the problem of compressor External installation brings problems such as noise pollution and increased load, which saves energy.
  • the cold air formed by the heat exchange of the evaporator can be partially blown to the compressor to cool it, so as to prevent the heat generated by the compressor from increasing the surrounding temperature.
  • Fig. 1 is a schematic structural view of a low-noise air-conditioning integrated machine from an angle according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a low-noise air-conditioning integrated machine from another angle according to an embodiment of the present invention
  • FIG. 3 is a schematic cross-sectional structure diagram of a low-noise air conditioner integrated machine according to an embodiment of the present invention
  • FIG. 4 is a schematic structural view of a low-noise air-conditioning integrated machine according to an embodiment of the present invention with a part of the side plate removed;
  • Fig. 5 is a schematic structural view of a low-noise air-conditioning integrated machine according to an embodiment of the present invention with the rear plate and part of the side plate removed.
  • the low-noise air conditioner integrated machine of an embodiment of the present invention includes a casing 10, an inner fan 20 installed in the casing 10, an evaporator 30, a compressor 40, an outer fan 50 and a condenser 60.
  • the compressor 40 is respectively connected to the evaporator 30 and the condenser 60 through a connecting pipe (such as a copper pipe) to form a refrigerant (refrigerant) circulation circuit.
  • the housing 10 is provided with a first chamber 101 and a second chamber 102 which are isolated from each other; the compressor 40 is located in the first chamber 101, and the external fan 50 and the condenser 60 are located in the second chamber 102.
  • the first chamber 101 is located in the blowing direction of the inner fan 20 and can be connected to the air flow sent by the inner fan 20. Entering the second chamber 101 can blow onto the compressor 40, can cool the compressor 40, and take away the heat generated by the operation of the compressor 40.
  • the evaporator 30 is arranged in the blowing direction of the inner fan 20, and the first chamber 101 is located downstream of the evaporator 30 along the blowing direction of the inner fan 20, so that the evaporator 30 is located between the inner fan 20 and the compressor 40 .
  • the cold air from the evaporator 30 can be blown into the first chamber 101 where the compressor 40 is located, and the compressor 40 and the environment in the first chamber 101 where the compressor 40 is located are cooled by the cold air.
  • a third chamber 103 may be further provided in the housing 10, and the inner fan 20 and the evaporator 30 are located in the third chamber 103.
  • the third chamber 103 is connected to the first chamber 101, so that the air flow sent by the inner fan 20 can partially enter the first chamber 101 after passing through the evaporator 30.
  • the third chamber 103 is isolated from the second chamber 102, thereby isolating the inner fan 20 and the evaporator 30 from the outer fan 50 and the condenser 60.
  • the housing 10 is provided with a first air inlet 11 and a first air outlet 12 communicating with the third chamber 103.
  • the inner fan 20 is arranged corresponding to the first air inlet 11, the air inlet end of the inner fan 20 faces the first air inlet 11, and the air blowing end of the inner fan 20 faces the evaporator 30; the evaporator 30 is arranged correspondingly to the first air outlet 12.
  • the indoor air enters the third chamber 103 under the suction of the internal fan 20, and forms cold air after heat exchange through the evaporator 30. Part of the cold air is output to the room through the first air outlet 12, and part of the cold air enters the first chamber 101 to compress The machine 40 is cooled.
  • the housing 10 is provided with a second air inlet 13 and a second air outlet 14 communicating with the second chamber 102.
  • the outer fan 50 is arranged corresponding to the second air inlet 13, the air inlet end of the outer fan 50 faces the second air inlet 13, and the air supply end of the outer fan 50 faces the condenser 60; the condenser 60 is arranged correspondingly to the second air outlet 14.
  • the outdoor air enters the second chamber 102 under the suction of the external fan 50, and is discharged from the second air outlet 14 through the second air outlet 14 after heat exchange through the condenser 60.
  • the housing 10 may include a front panel 110 facing indoors and a rear panel 120 facing outdoors, as well as several side panels 130 connected between the front panel 110 and the rear panel 120.
  • the first air inlet 11 and the first air outlet 12 are arranged on the front plate 110, and the second air inlet 13 and the second air outlet 14 are arranged on the rear plate 120.
  • the low-noise air conditioner integrated machine of the present invention further includes a first partition 70 and a second partition 80 arranged in the housing 10, the first partition 70 and the second partition 80 is connected to and separates the first chamber 101, the second chamber 102 and the third chamber 103 in the housing 10.
  • the first chamber 101 is formed between the first partition 70 and the corresponding inner wall of the housing 10, or between the first partition 70, the second partition 80 and the corresponding inner wall of the housing 10; second The cavity 102 is formed between the second partition 80 and the corresponding inner wall of the housing 10 (the inner wall of the rear plate 120), or is formed between the second partition 80, the first partition 70, and the corresponding inner wall of the housing 10 ( The third cavity 103 is formed between the second partition 80 and the corresponding inner wall of the housing 10).
  • the first partition 70 may be a partition formed by multiple bendings or a plurality of plates connected
  • the second partition 80 may also be a partition formed by multiple bendings or a plurality of plates connected. .
  • the first partition 70 is located at the lower end of the housing 10 and is in contact with the inner wall of the lower end of the housing 10, and the first cavity 101 formed is the inner lower end of the housing 10.
  • the second partition 80 is connected above the first partition 70 in an upright state and is in contact with the inner wall of the housing 10, and the lower end 81 of the second partition 80 is bent and extends to one side of the first partition 70 and opposes the front plate. 110 is inclined to connect the front plate 110 of the housing 10, so that the first chamber 101 is formed between the first partition 70, the lower end 81 of the second partition 80 and the corresponding inner wall of the housing 10.
  • the upper end of the second partition 80 extends to the top of the connecting housing 10, and the second cavity 102 formed is located above the first cavity 101.
  • the third chamber 103 is formed between the second partition 80 and the front plate 110 of the housing 10.
  • the second chamber 102 can also extend to one side of the first chamber 101, and the external fan 50 is in the second chamber 102.
  • the middle is installed at the lower end of the housing 10 and located at one side of the first chamber 101, and the condenser 60 is installed at the upper end of the housing 10 in the second chamber 102.
  • the inner fan 20 and the evaporator 30 are located above the first chamber 101 in the housing 10 and are also located on the side of the second partition 80 facing away from the second chamber 102.
  • the first partition 70 or the second partition 80 is provided with an air inlet 104 connecting the first chamber 101 and the third chamber 103, and the cold air part from the evaporator 30 can enter through the air inlet 104
  • the first chamber 101 cools the compressor 40.
  • the air inlet 104 is arranged at the lower end 81 of the second partition 80 and close to the evaporator 30.
  • the housing 10 is also provided with an exhaust port 105 facing indoors or outdoors, and the exhaust port 105 communicates with the first chamber 101. After the cold air entering the first chamber 101 absorbs the heat of the compressor 40, it is discharged out of the casing 10 from the exhaust port 105, thereby taking out the heat of the compressor 40.
  • the exhaust port 105 may also be provided on the side plate 130 of the housing 10.
  • an auxiliary fan 106 may be provided at the air inlet 104.
  • the auxiliary fan 106 can actively suck in cold air and blow the cold air toward the compressor 40 to absorb heat from the compressor 40 and its surroundings, and then discharge the heat from the housing 10 through the exhaust port 105.
  • the cold air blowing into the first chamber 101 is a small part, and most of the cold air is blown into the room (such as a communication base station, etc.) through the first air outlet 12 to cool the indoor environment.
  • the external fan 50 adopts a low-rotation large fan with a rotation speed ⁇ 1200 rpm to achieve the air volume demand under low noise conditions.
  • the low-noise air conditioner integrated machine of the present invention When the low-noise air conditioner integrated machine of the present invention is working, after the internal fan 20 is started, negative pressure is generated at the first air inlet 11 to suck indoor air, as shown by the solid arrow in FIG. 3, the indoor air enters the housing 10 In the third chamber 103 inside, the cold air is formed after heat exchange by the evaporator 30. Most of the cold air is output from the first air outlet 12 to the room 10, and a small part enters the first chamber 101 through the air inlet 104. The compressor 40 in the chamber 101 is cooled, and the cold air is discharged from the housing 10 through the exhaust port 73 after absorbing the heat of the compressor 70 and its surroundings.
  • Q is the heat consumption of the compressor
  • K is the heat transfer coefficient of the main cylinder of the compressor 20W/km 2
  • A is the area of the high temperature part of the main cylinder of the compressor (the main cylinder of the compressor is divided into two parts: suction and discharge.
  • the exhaust part is the high temperature part), taking half the surface area of the main cylinder block, the area of the high temperature part of the selected Meizhi 3000W compressor is: 3.1415*0.116 (diameter)*0.271 (height)/2
  • ⁇ t is the internal compressor The difference between the discharge temperature and the ambient temperature of the compressor.
  • the discharge temperature of the compressor under standard operating conditions is 80°C, and the ambient temperature under standard operating conditions is 35°C. Therefore, the heat consumption of this compressor Q:
  • High temperature operating conditions at an external temperature of 55°C and an internal temperature of 35°C, the measured cooling capacity of the traditional air conditioning layout is 2500W, and the power consumption current is 8.82A.
  • the measured useful cooling capacity of the present invention (not including part of the cooling capacity used to cool the compressor) Quantity) is 2500W, and the current consumption is 7.9A.
  • Standard operating conditions At an external temperature of 35°C and an internal temperature of 35°C, the measured cooling capacity of the traditional air conditioning layout is 3300W, and the power consumption current is 6.7A.
  • the measured useful cooling capacity of the present invention (not including 45W for cooling the compressor) is 3250W, power consumption current is 5.6A.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Conditioning Room Units, And Self-Contained Units In General (AREA)

Abstract

一种低噪音空调一体机，包括壳体（10）、安装在所述壳体（10）内的内风机（20）、蒸发器（30）、压缩机（40）、外风机（50）和冷凝器（60），所述壳体（10）内设有第一腔室（101）和第二腔室（102）；所述压缩机（40）处于第一腔室（101）中，所述外风机（50）和冷凝器（60）处于第二腔室（102）中，并且所述第一腔室（101）与第二腔室（102）相隔绝；所述第一腔室（101）位于所述内风机（20）的送风方向上，并可接入所述内风机（20）送出的气流。在深入计算分析压缩机热耗、压缩机运行温度对制冷效果以及功耗的影响之后，将压缩机设置在内风机的送风方向上，有效解决了压缩机外置带来噪音污染、负荷升高等的问题。

Description

低噪音空调一体机 技术领域
本发明涉及空调技术领域，尤其涉及一种低噪音空调一体机。
 背景技术
目前绝大多数空调的压缩机都被布置于室外侧，然而压缩机室外侧设置存在以下诸多缺点：1、室外高温时压缩机负荷会相应升高，造成电能浪费；2、室外变化的气候环境会减少压缩机的实际使用寿命；3、压缩机运行会对室外周边环境造成噪音污染；4、分体机的室外机容易被盗，安装在室外机内的压缩机自然也不能幸免。
尽管压缩机室外侧设置存在上述诸多缺点，但是，这并不代表空调厂商们没有想过将压缩机布置于室内侧来规避掉上述这些缺点，而是因为：1、对于民用空调来说，保证室内安静凉爽是第一前提，把压缩机布置于室外侧是别无选择；2、即便通讯、电力设备或站点机房采用定制的工业空调，无需顾虑压缩机布置于室内侧所产生的噪音，但由于顾虑压缩机发热会抵消制冷量，空调厂商们依然将压缩机布置于室外侧。如果采用把压缩机避开冷气气流循环回路的方式布置于室内侧，压缩机运行时会把周围空气加热，在没有气流经过并带走热量的情况下，压缩机周围的局部温度远高于室温的，甚至高于室外高温但有外风机不断给压缩机驱散热量的恶劣工况，长时间运行压缩机产生的热量最终还是会传到到室内影响制冷效果，并且有可能导致压缩机过热自保护。
本发明的目的就是为了解决现有技术中存在的上述问题，在深入计算分析压缩机热耗、压缩机运行温度对制冷效果以及功耗的影响之后，提出一种真正行之有效的低噪音工业空调解决方案。
 技术问题
本发明要解决的技术问题在于，提供一种压缩机内置的低噪音空调一体机。
 技术解决方案
本发明解决其技术问题所采用的技术方案是：提供一种低噪音空调一体机，包括壳体、安装在所述壳体内的内风机、蒸发器、压缩机、外风机和冷凝器，所述壳体内设有第一腔室和第二腔室；所述压缩机处于第一腔室中，所述外风机和冷凝器处于第二腔室中，并且所述第一腔室与第二腔室相隔绝；
所述第一腔室位于所述内风机的送风方向上，并可接入所述内风机送出的气流。
优选地，所述蒸发器布置在所述内风机的送风方向上，所述第一腔室沿所述内风机送风方向位于所述蒸发器的下游，从所述蒸发器出来的冷气能够吹拂到所述压缩机所在的所述第一腔室。
优选地，所述壳体内还设有第三腔室；所述第三腔室与所述第二腔室相隔绝，与所述第一腔室相连通；所述内风机和蒸发器处于所述第三腔室中。
优选地，所述壳体上设有连通所述第三腔室的第一进风口和第一出风口；所述内风机与所述第一进风口对应设置，所述内风机的进风端朝向所述第一进风口，所述内风机的送风端朝向所述蒸发器；所述蒸发器与所述第一出风口对应设置；
所述壳体上设有连通所述第二腔室的第二进风口和第二出风口；所述外风机与所述第二进风口对应设置，所述外风机的进风端朝向所述第二进风口，所述外风机的送风端朝向所述冷凝器；所述冷凝器与所述第二出风口对应设置。
优选地，所述低噪音空调一体机还包括设置在所述壳体内的第一隔板和第二隔板，所述第一隔板和第二隔板连接并在所述壳体内隔出所述第一腔室、第二腔室和第三腔室。
优选地，所述第一隔板或第二隔板上设有连通所述第一腔室和第三腔室的进气口，从所述蒸发器出来的冷气通过所述进气口进入所述第一腔室。
优选地，所述壳体上设有朝向室内或室外的排气口，所述排气口连通所述第一腔室。
优选地，所述进气口处设有辅助风机。
优选地，所述外风机采用转速≤1200转/分钟的低转速大风机。
优选地，所述第一腔室位于所述壳体内下端，所述第二腔室位于所述壳体内上端并延伸至所述第一腔室的一侧；所述内风机和蒸发器在所述壳体内位于所述第一腔室的上方；所述外风机在所述第二腔室中安装在所述壳体内下端并位于所述第一腔室的一侧，所述冷凝器在所述第二腔室中安装在所述壳体内上端。
 有益效果
本发明的低噪音空调一体机，在深入计算分析压缩机热耗、压缩机运行温度对制冷效果以及功耗的影响之后，将压缩机设置在内风机的送风方向上，有效解决了压缩机外置带来噪音污染、负荷升高等的问题，节能。
经过蒸发器热交换形成的冷气可以部分吹拂到压缩机，对其进行冷却，避免压缩机运行时产生的热量使其周围温度升高。
 附图说明
下面将结合附图及实施例对本发明作进一步说明，附图中：
图1是本发明一实施例的低噪音空调一体机在一角度上的结构示意图；
图2是本发明一实施例的低噪音空调一体机在另一角度上的结构示意图；
图3是本发明一实施例的低噪音空调一体机的剖面结构示意图；
图4是本发明一实施例的低噪音空调一体机去除部分侧板后的结构示意图；
图5是本发明一实施例的低噪音空调一体机去除后板和部分侧板后的结构示意图。
 本发明的实施方式
为了对本发明的技术特征、目的和效果有更加清楚的理解，现对照附图详细说明本发明的具体实施方式。
如图1-4所示，本发明一实施例的低噪音空调一体机，包括壳体10、安装在壳体10内的内风机20、蒸发器30、压缩机40、外风机50和冷凝器60，压缩机40通过连接管（如铜管）分别连接蒸发器30和冷凝器60形成制冷剂（冷媒）循环回路。
壳体10内设有相隔绝的第一腔室101和第二腔室102；压缩机40处于第一腔室101中，外风机50和冷凝器60处于第二腔室102中。第一腔室101位于内风机20的送风方向上，可接入内风机20送出的气流。进入第二腔室101可吹拂到压缩机40上，可对压缩机40进行冷却，带走压缩机40运行产生的热量。
此外，蒸发器30布置在内风机20的送风方向上，第一腔室101沿内风机20送风方向位于蒸发器30的下游，可使得蒸发器30位于内风机20和压缩机40之间。从蒸发器30出来的冷气能够吹拂到压缩机40所在的第一腔室101，通过冷气对压缩机40及其所在的第一腔室101内环境进行冷却。
进一步地，壳体10内还可设有第三腔室103，内风机20和蒸发器30处于第三腔室103内。该第三腔室103与第一腔室101相连通，从而内风机20送出的气流可经过蒸发器30后，部分进入第一腔室101。第三腔室103与第二腔室102相隔绝，从而将内风机20和蒸发器30与外风机50和冷凝器60进行隔绝。
如图1-3所示，壳体10上设有连通第三腔室103的第一进风口11和第一出风口12。内风机20与第一进风口11对应设置，内风机20的进风端朝向第一进风口11，内风机20的送风端朝向蒸发器30；蒸发器30与第一出风口12对应设置。室内空气在内风机20的抽吸下进入第三腔室103，经过蒸发器30热交换后形成冷气，部分冷气通过第一出风口12输出至室内，部分冷气进入第一腔室101，对压缩机40进行冷却。
壳体10上设有连通第二腔室102的第二进风口13和第二出风口14。外风机50与第二进风口13对应设置，外风机50的进风端朝向第二进风口13，外风机50的送风端朝向冷凝器60；冷凝器60与第二出风口14对应设置。室外空气在外风机50的抽吸下进入第二腔室102，经过冷凝器60热交换后从第二出风口14排出室外。
具体地，壳体10可包括朝向室内的前板110和朝向室外的后板120，还包括连接在前板110和后板120之间的数个侧板130。第一进风口11和第一出风口12设置在前板110上，第二进风口13和第二出风口14设置在后板120上。
进一步地，如图3-5所示，本发明的低噪音空调一体机还包括设置在壳体10内的第一隔板70和第二隔板80，第一隔板70和第二隔板80连接并在壳体10内隔出第一腔室101、第二腔室102和第三腔室103。第一腔室101形成在第一隔板70和壳体10的对应的内壁之间，或者形成在第一隔板70、第二隔板80和壳体10的对应的内壁之间；第二腔室102形成在第二隔板80和壳体10的对应的内壁（后板120内壁）之间，或者形成在第二隔板80、第一隔板70和壳体10的对应的内壁（后板120内壁）之间；第三腔室103形成在第二隔板80和壳体10的对应的内壁之间。其中，第一隔板70可为一隔板进行多道弯折形成或由多个板连接形成，第二隔板80也可为一隔板进行多道弯折形成或由多个板连接形成。
具体地，本实施例中，第一隔板70位于壳体10内的下端，与壳体10内下端的内壁相接，形成的第一腔室101为壳体10内下端。第二隔板80以立置状态连接在第一隔板70上方并与壳体10内壁相接，第二隔板80的下端81弯折延伸至第一隔板70的一侧并相对前板110倾斜连接壳体10的前板110，从而第一腔室101形成在第一隔板70、第二隔板80的下端81和对应的壳体10内壁之间。第二隔板80的上端延伸至连接壳体10内顶部，形成的第二腔室102位于第一腔室101的上方。第三腔室103形成在第二隔板80和壳体10的前板110之间。
进一步地，通过第一隔板70和第二隔板80的形状设置以及相互配合设置，第二腔室102还可延伸至第一腔室101的一侧，外风机50在第二腔室102中安装在壳体10内下端并位于第一腔室101的一侧，冷凝器60在第二腔室102中安装在壳体10内上端。内风机20和蒸发器30在壳体10内位于第一腔室101的上方，也位于第二隔板80背向第二腔室102的一侧。
进一步地，第一隔板70或第二隔板80上设有连通第一腔室101和第三腔室103的进气口104，从蒸发器30出来的冷气部分可通过进气口104进入第一腔室101，对压缩机40进行冷却。优选地，本实施例中，进气口104设置在第二隔板80的下端81且靠近蒸发器30的位置上。
壳体10上还设有朝向室内或室外的排气口105，排气口105连通第一腔室101。进入第一腔室101内的冷气吸收压缩机40的热量后，从排气口105排出壳体10外，从而带出压缩机40的热量。具体地，根据排气口105朝向室内或室外，其对应设置在壳体10的前板110或后板120上。当然，排气口105也可以设置在壳体10的侧板130上。
为了更好的空气流通，进气口104处可设有辅助风机106。辅助风机106能够主动吸入冷气，并将冷气吹向压缩机40以吸收压缩机40及其周围的热量，再通过由排气口105排出将热量带出壳体10。
本发明中，吹向第一腔室101内的冷气为小部分，大部分的冷气通过第一出风口12吹向室内（如通信基站等），对室内环境进行冷却。
另外，本发明的低噪音空调一体机中，外风机50采用转速≤1200转/分钟的低转速大风机，实现低噪音条件下的风量需求。
本发明的低噪音空调一体机工作时，内风机20启动后，在第一进风口11处产生负压，对室内空气进行抽吸，如图3中实线箭头所示，室内空气进入外壳10内的第三腔室103中，经蒸发器30热交换后形成冷气，大部分从第一出风口12输出到室内10，小部分通过进气口104进入第一腔室101内，对第一腔室101内的压缩机40进行冷却，冷气在吸收压缩机70及其周围热量后从排气口73排出壳体10。外风机50启动后，在第二进风口13处产生负压，对室外空气进行抽吸，如图3中虚线箭头所示，室外空气进入外壳10内的第二腔室102中，经冷凝器60热交换后从第二出风口14排到室外，从而将室内的热量交换释放到室外。
下面以交流220V的3000瓦的美芝压缩机为例，对其在标准工况下的热耗通过下式进行了计算：
                Q=KA*△t；
Q为压缩机热耗；K为压缩机主缸体的传热系数20W/km 2；A为压缩机主缸体的高温部分面积（压缩机主缸体分吸气和排气两个部分，排气部分为高温部分），取主缸体表面积的一半，所选美芝3000瓦压缩机的高温部分面积为：3.1415*0.116（直径）*0.271（高度）/2；△t为压缩机内部的排气温度与压缩机环境温度之差，标准工况下压缩机的排气温度为80℃，标准工况的外环境温度为35℃，因此此款压缩机的热耗Q：
Q=20*3.1415*0.116*0.271/2*(80-35)=45W
将该压缩机运用到本发明的一体机中，与传统空调布局（压缩机置于外风循环中）进行比较：
高温工况：外温55℃，内温35℃下，传统空调布局的实测制冷量为2500W，耗电电流为8.82A，本发明的实测有用制冷量（不包含用于冷却压缩机的部分冷量）为2500W，耗电电流为7.9A。
标准工况：外温35℃、内温35℃下，传统空调布局实测制冷量为3300W，耗电电流为6.7A，本发明的实测有用制冷量（不包含用于冷却压缩机的45W）为3250W，耗电电流为5.6A。
由以上对比结果可知，本发明在标准工况下耗电电流少了1.1A，节约耗电242W，而有用制冷量只比传统布局少了50W；高温工况有用制冷量与传统空调布局相等，节约耗电0.92A*220V=202W。
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (10)

  1. 一种低噪音空调一体机，包括壳体、安装在所述壳体内的内风机、蒸发器、压缩机、外风机和冷凝器，其特征在于，所述壳体内设有第一腔室和第二腔室；所述压缩机处于第一腔室中，所述外风机和冷凝器处于第二腔室中，并且所述第一腔室与第二腔室相隔绝；
    所述第一腔室位于所述内风机的送风方向上，并可接入所述内风机送出的气流。
  2. 根据权利要求1所述的低噪音空调一体机，其特征在于，所述蒸发器布置在所述内风机的送风方向上，所述第一腔室沿所述内风机送风方向位于所述蒸发器的下游，从所述蒸发器出来的冷气能够吹拂到所述压缩机所在的所述第一腔室。
  3. 根据权利要求2所述的低噪音空调一体机，其特征在于，所述壳体内还设有第三腔室；所述第三腔室与所述第二腔室相隔绝，与所述第一腔室相连通；所述内风机和蒸发器处于所述第三腔室中。
  4. 根据权利要求3所述的低噪音空调一体机，其特征在于，所述壳体上设有连通所述第三腔室的第一进风口和第一出风口；所述内风机与所述第一进风口对应设置，所述内风机的进风端朝向所述第一进风口，所述内风机的送风端朝向所述蒸发器；所述蒸发器与所述第一出风口对应设置；
    所述壳体上设有连通所述第二腔室的第二进风口和第二出风口；所述外风机与所述第二进风口对应设置，所述外风机的进风端朝向所述第二进风口，所述外风机的送风端朝向所述冷凝器；所述冷凝器与所述第二出风口对应设置。
  5. 根据权利要求3所述的低噪音空调一体机，其特征在于，所述低噪音空调一体机还包括设置在所述壳体内的第一隔板和第二隔板，所述第一隔板和第二隔板连接并在所述壳体内隔出所述第一腔室、第二腔室和第三腔室。
  6. 根据权利要求5所述的低噪音空调一体机，其特征在于，所述第一隔板或第二隔板上设有连通所述第一腔室和第三腔室的进气口，从所述蒸发器出来的冷气通过所述进气口进入所述第一腔室。
  7. 根据权利要求6所述的低噪音空调一体机，其特征在于，所述壳体上设有朝向室内或室外的排气口，所述排气口连通所述第一腔室。
  8. 根据权利要求7所述的低噪音空调一体机，其特征在于，所述进气口处设有辅助风机。
  9. 根据权利要求1-8任一项所述的低噪音空调一体机，其特征在于，所述外风机采用转速≤1200转/分钟的低转速大风机。
  10. 根据权利要求1-8任一项所述的低噪音空调一体机，其特征在于，所述第一腔室位于所述壳体内下端，所述第二腔室位于所述壳体内上端并延伸至所述第一腔室的一侧；所述内风机和蒸发器在所述壳体内位于所述第一腔室的上方；所述外风机在所述第二腔室中安装在所述壳体内下端并位于所述第一腔室的一侧，所述冷凝器在所述第二腔室中安装在所述壳体内上端。
PCT/CN2019/109706 2019-09-30 2019-09-30 低噪音空调一体机 WO2021062782A1 (zh)

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