CN208090854U - A kind of air-treatment unit of included low-temperature receiver - Google Patents
A kind of air-treatment unit of included low-temperature receiver Download PDFInfo
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- 238000004378 air conditioning Methods 0.000 claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims description 5
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- 238000001816 cooling Methods 0.000 abstract description 18
- 238000009833 condensation Methods 0.000 abstract description 5
- 230000005494 condensation Effects 0.000 abstract description 5
- 230000033228 biological regulation Effects 0.000 abstract description 3
- 239000002918 waste heat Substances 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 13
- 238000007791 dehumidification Methods 0.000 description 10
- 230000001105 regulatory effect Effects 0.000 description 10
- 239000003507 refrigerant Substances 0.000 description 8
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- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
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- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005399 mechanical ventilation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
本实用新型公开了一种自带冷源的空气处理机组，设有空调机组柜体和排风换热箱体，空调机组柜体设有新风进风口、出风口和回风口，其内部按照由新风进风口至出风口的气流流通方向依次安装有第一过滤器、第一空气换热器、离心风机、第二过滤器、第二空气换热器和加湿器；排风换热箱体设有排风进风口和排风出风口，其内部安装有第三空气换热器、压缩机、四通换向阀和排风机。本实用新型自带独立冷源，安装布置灵活，并利用室内排风的余热，大大提高自带冷源的能效，利用自带冷源的冷凝热，实现对送风温度的调控，本实用新型适用于不易设置集中冷源的场所，特别适用于别墅、酒店客房、高档写字楼等场所，能够满足用户全年对新风和热舒适性的要求。
The utility model discloses an air processing unit with a self-contained cold source, which is provided with an air conditioning unit cabinet and an exhaust heat exchange box. The air conditioning unit cabinet is provided with a fresh air inlet, an air outlet and a return air outlet. The first filter, the first air heat exchanger, the centrifugal fan, the second filter, the second air heat exchanger and the humidifier are installed sequentially in the air flow direction from the fresh air inlet to the air outlet; There are an exhaust air inlet and an exhaust air outlet, and a third air heat exchanger, a compressor, a four-way reversing valve and an exhaust fan are installed inside. The utility model has its own independent cold source, flexible installation and arrangement, and uses the waste heat of the indoor exhaust to greatly improve the energy efficiency of the self-contained cold source, and utilizes the condensation heat of the self-contained cold source to realize the regulation of the air supply temperature. It is suitable for places where it is difficult to install a centralized cooling source, especially for villas, hotel rooms, high-end office buildings and other places, and can meet users' requirements for fresh air and thermal comfort throughout the year.
Description
技术领域technical field
本实用新型涉及一种自带冷源的空气处理机组。The utility model relates to an air handling unit with its own cold source.
背景技术Background technique
随着社会的发展，人们生活水平的提高，人们对居住和工作环境的要求也越来越高，特别是对新风和热舒适性的需求越来越得到重视。目前，对于别墅、酒店客房和高档写字楼等居住和工作场所，在不易设置集中水冷冷源的情况下，通常会采用分体空调或多联机空调，然而这些空调系统形式通常存在以下弊端：①空调系统无法提供新风，通常依靠开门窗自然通风或简单机械通风的方式获得新风，这样不仅会造成空调冷量的流失浪费，空调能耗增加，而且新风在不经处理的情况下直接进到室内，会将室外的污染物(如灰尘、汽车尾气、PM2.5等)和噪声带进室内，再者，在南方地区潮湿的季节，不加控制和处理的新风大量进入室内，会加重室内的回潮发霉现象；②若设置独立的新风系统，则需要增加一套空调系统，不仅增加初投资，而且需要设置专门的新风机房，并预留风管布置空间；③室内的排风无法有效利用，白白浪费了大量的室内余热。With the development of society and the improvement of people's living standards, people's requirements for living and working environments are getting higher and higher, especially the demand for fresh air and thermal comfort is getting more and more attention. At present, for living and working places such as villas, hotel rooms, and high-end office buildings, split air conditioners or multi-line air conditioners are usually used when it is not easy to install centralized water-cooled cold sources. However, these air-conditioning systems usually have the following disadvantages: ① Air conditioners The system cannot provide fresh air, and usually relies on opening doors and windows for natural ventilation or simple mechanical ventilation to obtain fresh air. This will not only cause the loss of cooling capacity of the air conditioner, but also increase the energy consumption of the air conditioner, and the fresh air will directly enter the room without treatment. It will bring outdoor pollutants (such as dust, car exhaust, PM2.5, etc.) and noise into the room. Moreover, in the humid season in the southern region, a large amount of uncontrolled and untreated fresh air enters the room, which will aggravate the indoor moisture resurgence. moldy phenomenon; ②If an independent fresh air system is installed, an air conditioning system needs to be added, which not only increases the initial investment, but also needs to set up a special fresh air room and reserve space for air duct layout; A lot of indoor waste heat is wasted.
上述弊端，一定程度影响了别墅、酒店客房和高档写字楼等场所室内的新风质量和热舒适性品质，因此，需要设计出一套适用的空气处理系统，以满足这些场所的需求。The above-mentioned disadvantages have affected to a certain extent the quality of fresh air and thermal comfort in places such as villas, hotel rooms, and high-end office buildings. Therefore, it is necessary to design a suitable air treatment system to meet the needs of these places.
实用新型内容Utility model content
本实用新型所要解决的技术问题是：提供一种自带冷源的空气处理机组。The technical problem to be solved by the utility model is to provide an air handling unit with its own cold source.
解决上述技术问题，本实用新型所采用的技术方案如下：To solve the problems of the technologies described above, the technical solution adopted in the utility model is as follows:
一种自带冷源的空气处理机组，设有空调机组柜体和排风换热箱体，所述空调机组柜体设有新风进风口、出风口和回风口，所述新风进风口用于连通室外环境与所述空调机组柜体的内部，所述出风口用于连通室内环境与所述空调机组柜体的内部，所述排风换热箱体设有排风进风口和排风出风口，所述排风进风口用于连通所述室内环境与所述排风换热箱体的内部，所述排风出风口用于连通室外环境与所述排风换热箱体的内部，其特征在于：An air handling unit with a self-contained cold source, which is provided with an air conditioning unit cabinet and an exhaust heat exchange box. The air conditioning unit cabinet is provided with a fresh air inlet, an air outlet and a return air outlet. The fresh air inlet is used for The outdoor environment is connected with the inside of the cabinet of the air conditioner, the air outlet is used to connect the indoor environment with the inside of the cabinet of the air conditioner, and the exhaust heat exchange box is provided with an exhaust air inlet and an exhaust air outlet. The air outlet, the exhaust air inlet is used to connect the indoor environment with the inside of the exhaust heat exchange box, and the exhaust air outlet is used to communicate with the outdoor environment and the inside of the exhaust heat exchange box, It is characterized by:
所述空调机组柜体的内部按照由所述新风进风口至所述出风口的气流流通方向依次安装有第一过滤器、第一空气换热器、离心风机、第二过滤器、第二空气换热器和加湿器，所述回风口连通所述室内环境与所述空调机组柜体内部的第一过滤位置，该第一过滤位置位于所述第一过滤器与第一空气换热器之间；The inside of the cabinet of the air conditioner is sequentially installed with a first filter, a first air heat exchanger, a centrifugal fan, a second filter, and a second air flow direction in accordance with the air flow direction from the fresh air inlet to the air outlet. A heat exchanger and a humidifier, the air return port communicates with the indoor environment and the first filtering position inside the cabinet of the air conditioning unit, and the first filtering position is located between the first filter and the first air heat exchanger between;
所述排风换热箱体的内部安装有第三空气换热器、压缩机、四通换向阀和排风机，所述排风机的出风口连接所述排风出风口；A third air heat exchanger, a compressor, a four-way reversing valve and an exhaust fan are installed inside the exhaust air heat exchange box, and the air outlet of the exhaust fan is connected to the exhaust air outlet;
所述压缩机的出口连接所述四通换向阀的a接口，所述压缩机的进口连接所述四通换向阀的d接口，所述四通换向阀的b接口分为两支路，第一支路连接所述第三空气换热器的a接口，第二支路通过第一电磁阀连接所述第二空气换热器的a接口，所述四通换向阀的c接口连接所述第一空气换热器的b接口，所述第一空气换热器的a接口连接第一电子膨胀阀的第一接口，所述第一电子膨胀阀的第二接口分为两支路，第一支路通过第二电子膨胀阀连接所述第三空气换热器的b接口，第二支路通过第二电磁阀连接所述第二空气换热器的b接口。The outlet of the compressor is connected to the a port of the four-way reversing valve, the inlet of the compressor is connected to the d port of the four-way reversing valve, and the b port of the four-way reversing valve is divided into two branches The first branch is connected to the a port of the third air heat exchanger, the second branch is connected to the a port of the second air heat exchanger through the first solenoid valve, and the c port of the four-way reversing valve is The interface is connected to the b interface of the first air heat exchanger, the a interface of the first air heat exchanger is connected to the first interface of the first electronic expansion valve, and the second interface of the first electronic expansion valve is divided into two The first branch is connected to the b-port of the third air heat exchanger through the second electronic expansion valve, and the second branch is connected to the b-port of the second air heat exchanger through the second electromagnetic valve.
作为本实用新型的优选实施方式：在所述四通换向阀的b接口所分出的两支路中，所述第一支路通过第三电磁阀连接所述第三空气换热器的a接口。As a preferred embodiment of the present utility model: in the two branches separated by the b interface of the four-way reversing valve, the first branch is connected to the third air heat exchanger through the third solenoid valve a interface.
作为本实用新型的优选实施方式：所述新风进风口安装有第一电动调节风阀，所述出风口安装有第二电动调节风阀，所述回风口安装有第三电动调节风阀；所述排风进风口安装有第四电动调节风阀。As a preferred embodiment of the present utility model: the fresh air inlet is equipped with a first electric regulating damper, the air outlet is equipped with a second electric regulating damper, and the air return port is equipped with a third electric regulating damper; The exhaust air inlet is equipped with a fourth electric regulating damper.
作为本实用新型的优选实施方式：在所述排风换热箱体的内部，所述第三空气换热器位于所述压缩机的上风位置。As a preferred embodiment of the present invention: inside the exhaust air heat exchange box, the third air heat exchanger is located at a position upwind of the compressor.
作为本实用新型的优选实施方式：所述压缩机为变频压缩机；所述离心风机为变频风机；所述排风机为离心风机。As a preferred embodiment of the present utility model: the compressor is a frequency conversion compressor; the centrifugal fan is a frequency conversion fan; the exhaust fan is a centrifugal fan.
与现有技术相比，本实用新型具有以下有益效果：Compared with the prior art, the utility model has the following beneficial effects:
第一，本实用新型采用由空调机组柜体、第一过滤器、第一空气换热器、离心风机、第二过滤器、第二空气换热器和加湿器组成的空调机组，并采用由排风换热箱体、第三空气换热器、压缩机、四通换向阀和排风机组成的排风换热箱，并将该空调机组与排风换热箱进行组合，使得组合形成的空气处理机组通过四通换向阀的方向切换能够工作在四种工作方式下，使得用户可以在不同的气候环境下，合理选择制冷、制热、除湿、全新风运行模式，因此，本实用新型不仅能满足用户全年对新风和热舒适性的需求，而且可达到节能运行的目的。First, the utility model adopts an air-conditioning unit composed of an air-conditioning unit cabinet body, a first filter, a first air heat exchanger, a centrifugal fan, a second filter, a second air heat exchanger and a humidifier, and adopts an air-conditioning unit composed of The exhaust air heat exchange box is composed of the exhaust air heat exchange box, the third air heat exchanger, the compressor, the four-way reversing valve and the exhaust fan, and the air conditioning unit is combined with the exhaust air heat exchange box, so that the combination forms The air handling unit can work in four working modes through the direction switching of the four-way reversing valve, so that users can reasonably choose cooling, heating, dehumidification, and fresh air operating modes in different climates. Therefore, this practical The new type can not only meet the user's demand for fresh air and thermal comfort throughout the year, but also achieve the purpose of energy-saving operation.
第二，本实用新型自带独立冷源，无需外接冷源，自成完整的空调系统，安装布置灵活，适用性强。Second, the utility model has its own independent cold source, no need for an external cold source, and forms a complete air-conditioning system, with flexible installation and layout and strong applicability.
第三，本实用新型所采用的排风换热箱，可充分利用室内排风的余热，制冷模式时，用于降低自带冷源的冷凝温度，制热模式时，用于提高自带冷源的蒸发温度，从而大大提高自带冷源的运行能效，实现节能运行。Third, the exhaust air heat exchange box adopted in the utility model can make full use of the waste heat of the indoor exhaust air. In the cooling mode, it is used to reduce the condensation temperature of the self-contained cold source. The evaporation temperature of the source can be greatly improved, thereby greatly improving the energy efficiency of the operation of the built-in cold source, and realizing energy-saving operation.
第四，本实用新型设置了第二空气换热器，取代了电加热，不仅可利用自带冷源的冷凝热，实现对送风温度的加热调控，确保送风满足要求，而且避免了冷热抵消的能源浪费现象。同时，本实用新型采用直接蒸发冷却除湿的形式，较冷水盘管冷却除湿能力更强，除湿效果更好，可满足南方地区“回南天”季节的除湿不降温运行要求。Fourth, the utility model is equipped with a second air heat exchanger, which replaces the electric heating, not only can use the condensation heat of the self-contained cold source, realize the heating and regulation of the air supply temperature, ensure that the air supply meets the requirements, and avoid the cold Thermally offset energy waste. At the same time, the utility model adopts the form of direct evaporative cooling and dehumidification, which has stronger cooling and dehumidification ability and better dehumidification effect than the cold water coil, and can meet the dehumidification and non-cooling operation requirements of the "returning to the south" season in the southern region.
第五，本实用新型设置了多个电动调节风阀，可灵活调节新回风比例以及送风量，特别在过渡季节，可实现全新风运行，同时，采用变频离心风机和变频压缩机，可根据末端负荷变化，适时调节机组运行状态，从而在保证室内健康、舒适的情况下，最大限度实现节能运行的目的。Fifth, the utility model is equipped with a plurality of electric regulating air valves, which can flexibly adjust the proportion of new return air and the air supply volume, especially in transitional seasons, can realize the operation of fresh air, and at the same time, adopt frequency conversion centrifugal fans and frequency conversion compressors, which can According to the change of the terminal load, the operating state of the unit is adjusted in a timely manner, so as to achieve the purpose of energy-saving operation to the maximum extent while ensuring indoor health and comfort.
附图说明Description of drawings
下面结合附图和具体实施例对本实用新型作进一步的详细说明：Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail:
图1为本实用新型的结构示意图。Fig. 1 is the structural representation of the utility model.
图2为本实用新型的系统原理图。Fig. 2 is the system schematic diagram of the utility model.
具体实施方式Detailed ways
如图1和图2所示，本实用新型公开的是一种自带冷源的空气处理机组，设有空调机组柜体14和排风换热箱体13；空调机组柜体14设有新风进风口18、出风口19和回风口16，新风进风口18用于连通室外环境与空调机组柜体14的内部，出风口19用于连通室内环境与空调机组柜体14的内部；排风换热箱体13设有排风进风口15和排风出风口17，排风进风口15用于连通室内环境与排风换热箱体13的内部，排风出风口17用于连通室外环境与排风换热箱体13的内部。As shown in Figures 1 and 2, the utility model discloses an air handling unit with its own cold source, which is provided with an air conditioning unit cabinet 14 and an exhaust heat exchange box 13; the air conditioning unit cabinet 14 is provided with a fresh air The air inlet 18, the air outlet 19 and the return air outlet 16, the fresh air inlet 18 is used to communicate with the outdoor environment and the inside of the air conditioner cabinet 14, and the air outlet 19 is used to communicate with the indoor environment and the inside of the air conditioner cabinet 14; The heat box 13 is provided with an exhaust air inlet 15 and an exhaust air outlet 17, the exhaust air inlet 15 is used to communicate with the interior of the indoor environment and the exhaust heat exchange box 13, and the exhaust air outlet 17 is used to communicate with the outdoor environment and Exhaust the inside of the heat exchange box 13.
本实用新型的发明构思为：The inventive concept of the present utility model is:
空调机组柜体14的内部按照由新风进风口18至出风口19的气流流通方向依次安装有第一过滤器24、第一空气换热器10、离心风机11、第二过滤器25、第二空气换热器12和加湿器26，回风口16连通室内环境与空调机组柜体14内部的第一过滤位置，该第一过滤位置位于第一过滤器24与第一空气换热器10之间；使得经新风进风口18进入空调机组柜体14内的室外新风A，通过第一过滤器24过滤后，与来自回风口16的室内空气C混合，然后混合的空气依次通过第一空气换热器10、离心风机11、第二过滤器25、第二空气换热器12和加湿器26后成为混合风B，再从出风口19吹出。The inside of the air conditioner cabinet body 14 is sequentially equipped with a first filter 24, a first air heat exchanger 10, a centrifugal fan 11, a second filter 25, a second The air heat exchanger 12 and the humidifier 26 , the air return port 16 communicates with the indoor environment and the first filter position inside the air conditioner cabinet 14 , the first filter position is located between the first filter 24 and the first air heat exchanger 10 Make the outdoor fresh air A entering the air-conditioning unit cabinet 14 through the fresh air inlet 18, after being filtered by the first filter 24, mix with the indoor air C from the air return port 16, and then the mixed air passes through the first air heat exchange successively After the device 10, the centrifugal fan 11, the second filter 25, the second air heat exchanger 12 and the humidifier 26, the mixed wind B is blown out from the air outlet 19.
排风换热箱体13的内部安装有第三空气换热器5、压缩机1、四通换向阀2和排风机9，排风机9的出风口连接排风出风口17；使得经排风进风口15进入排风换热箱体13内的室内空气D依次通过第三空气换热器5、四通换向阀2、压缩机1和排风机9后成为排风E，再从排风出风口19吹出。其中，第三空气换热器5优选位于压缩机1的上风位置。A third air heat exchanger 5, a compressor 1, a four-way reversing valve 2 and an exhaust fan 9 are installed inside the exhaust heat exchange box body 13, and the air outlet of the exhaust fan 9 is connected to the exhaust air outlet 17; The indoor air D that enters the exhaust heat exchange box 13 through the air inlet 15 passes through the third air heat exchanger 5, the four-way reversing valve 2, the compressor 1 and the exhaust fan 9 in sequence, and then becomes the exhaust air E, and then flows from the exhaust air. Air outlet 19 blows out. Wherein, the third air heat exchanger 5 is preferably located at the windward position of the compressor 1 .
压缩机1的出口连接四通换向阀2的a接口，压缩机1的进口连接四通换向阀2的d接口，四通换向阀2的b接口分为两支路，第一支路连接第三空气换热器5的a接口，第二支路通过第一电磁阀3连接第二空气换热器12的a接口，四通换向阀2的c接口连接第一空气换热器10的b接口，第一空气换热器10的a接口连接第一电子膨胀阀7的第一接口，第一电子膨胀阀7的第二接口分为两支路，第一支路通过第二电子膨胀阀6连接第三空气换热器5的b接口，第二支路通过第二电磁阀8连接第二空气换热器12的b接口。The outlet of compressor 1 is connected to port a of four-way reversing valve 2, the inlet of compressor 1 is connected to port d of four-way reversing valve 2, and the port b of four-way reversing valve 2 is divided into two branches. The second branch is connected to the a port of the second air heat exchanger 12 through the first solenoid valve 3, and the c port of the four-way reversing valve 2 is connected to the first air heat exchanger. b interface of the device 10, the a interface of the first air heat exchanger 10 is connected to the first interface of the first electronic expansion valve 7, the second interface of the first electronic expansion valve 7 is divided into two branches, the first branch passes through the first The second electronic expansion valve 6 is connected to the port b of the third air heat exchanger 5 , and the second branch is connected to the port b of the second air heat exchanger 12 through the second solenoid valve 8 .
优选的，上述第一电子膨胀阀7靠近第一空气换热器10的a接口安装为宜；上述第二电子膨胀阀6靠近第三空气换热器5的b接口安装为宜。Preferably, the first electronic expansion valve 7 is preferably installed close to the port a of the first air heat exchanger 10 ; the second electronic expansion valve 6 is preferably installed close to the port b of the third air heat exchanger 5 .
优选的，在四通换向阀2的b接口所分出的两支路中，第一支路通过第三电磁阀4连接第三空气换热器5的a接口。其中，第三电磁阀4靠近第三空气换热器5的a接口安装为宜。Preferably, among the two branches separated by the port b of the four-way reversing valve 2 , the first branch is connected to the port a of the third air heat exchanger 5 through the third electromagnetic valve 4 . Wherein, it is advisable that the third electromagnetic valve 4 is installed close to the interface a of the third air heat exchanger 5 .
本实用新型的工作方式如下：The mode of work of the present utility model is as follows:
工作方式一：需要制冷时，例如在炎热的夏季，本实用新型启动制冷模式，压缩机1启动，加湿器26关闭，四通换向阀2的a接口与b接口相通，c接口与d接口相通，此时，第一空气换热器10作为蒸发器，第二空气换热器12作为加热器，第三空气换热器5作为冷凝器，制冷剂的制冷循环流程分为两路，第一路为：压缩机1→四通换向阀2(a接口至b接口)→第三电磁阀4→第三空气换热器5→第二电子膨胀阀6→第一电子膨胀阀7→第一空气换热器10→四通换向阀2(c接口至d接口)→压缩机1；第二路为：压缩机1→四通换向阀2(a接口至b接口)→第一电磁阀3→第二空气换热器12→第二电磁阀8→第一电子膨胀阀7→第一空气换热器10→四通换向阀2(c接口至d接口)→压缩机1。Working mode 1: When cooling is required, for example in hot summer, the utility model starts the cooling mode, the compressor 1 starts, the humidifier 26 is turned off, the a port of the four-way reversing valve 2 communicates with the b port, and the c port communicates with the d port In the same way, at this time, the first air heat exchanger 10 is used as an evaporator, the second air heat exchanger 12 is used as a heater, and the third air heat exchanger 5 is used as a condenser. The refrigeration cycle of the refrigerant is divided into two paths. One way is: compressor 1 → four-way reversing valve 2 (port a to port b) → third solenoid valve 4 → third air heat exchanger 5 → second electronic expansion valve 6 → first electronic expansion valve 7 → The first air heat exchanger 10 → four-way reversing valve 2 (c port to d port) → compressor 1; the second path is: compressor 1 → four-way reversing valve 2 (a port to b port) → the first A solenoid valve 3→second air heat exchanger 12→second solenoid valve 8→first electronic expansion valve 7→first air heat exchanger 10→four-way reversing valve 2 (c port to d port)→compressor 1.
本实用新型制冷模式的工作过程：室外新风A经新风进风口18进入空调机组柜体14内，经第一过滤器24过滤后，与来自回风口16的室内空气C混合，使相对洁净的室内空气C不用第一过滤器24过滤，混合后的空气首先经第一空气换热器10(此时作为蒸发器)冷却除湿，然后由离心风机11输送，再经第二过滤器25过滤、接着由第二空气换热器12(此时作为加热器)加热升温至合适的温湿度，然后流经加湿器26，最后混合风B从出风口19送出，确保送入室内的空气满足新风和热舒适性要求；同时，室内空气D经排风进风口15进入排风换热箱体13内，首先经过第三空气换热器5(此时作为冷凝器)，使得流过第三空气换热器5的制冷剂的热量交换到室内空气D，即流过第三空气换热器5的制冷剂降温用于第一空气换热器10(此时作为蒸发器)的冷却除湿作用，而通过第三空气换热器5的室内空气D则升温，然后升温后的室内空气D再由排风机9输送，最后升温后的室内空气D成为排风E从排风出风口19送出到室外环境，完成第三空气换热器5的冷凝换热过程。在该制冷模式中，第一电子膨胀阀7起到节流作用；第一电磁阀3和第二电磁阀8还用于调节流过第二空气换热器12的制冷剂流量，从而调控第二空气换热器12对混合风的加热量。The working process of the refrigeration mode of the utility model: the outdoor fresh air A enters the air conditioner cabinet 14 through the fresh air inlet 18, and after being filtered by the first filter 24, it is mixed with the indoor air C from the return air outlet 16 to make the relatively clean indoor The air C does not need to be filtered by the first filter 24. The mixed air is first cooled and dehumidified by the first air heat exchanger 10 (as an evaporator at this time), then transported by the centrifugal fan 11, filtered by the second filter 25, and then It is heated by the second air heat exchanger 12 (as a heater at this time) to a suitable temperature and humidity, then flows through the humidifier 26, and finally the mixed air B is sent out from the air outlet 19 to ensure that the air sent into the room meets the requirements of fresh air and heat. Comfort requirements; at the same time, the indoor air D enters the exhaust heat exchange box 13 through the exhaust air inlet 15, and first passes through the third air heat exchanger 5 (at this time as a condenser), so that the third air heat exchange The heat of the refrigerant in the heat exchanger 5 is exchanged to the indoor air D, that is, the refrigerant flowing through the third air heat exchanger 5 is used for cooling and dehumidification of the first air heat exchanger 10 (as an evaporator at this time), and through The indoor air D of the third air heat exchanger 5 then heats up, and then the heated indoor air D is transported by the exhaust fan 9, and finally the heated indoor air D becomes the exhaust air E and is sent to the outdoor environment from the exhaust air outlet 19. The condensation heat exchange process of the third air heat exchanger 5 is completed. In this cooling mode, the first electronic expansion valve 7 acts as a throttling; the first solenoid valve 3 and the second solenoid valve 8 are also used to adjust the flow of refrigerant flowing through the second air heat exchanger 12, thereby regulating the first The heating capacity of the two air heat exchangers 12 to the mixed air.
工作方式二：需要制热时，例如在寒冷的冬季，本实用新型启动制热模式，压缩机1启动，第一电磁阀3和第二电磁阀8关闭，四通换向阀2的a接口与c接口相通，b接口与d接口相通，此时，第一空气换热器10作为冷凝器，第二空气换热器12不工作，第三空气换热器5作为蒸发器，制冷剂的制热循环流程为：压缩机1→四通换向阀2(a接口至c接口)→第一空气换热器10→第一电子膨胀阀7→第二电子膨胀阀6→第三空气换热器5→第三电磁阀4→四通换向阀2(b接口至d接口)→压缩机1。Working mode two: when heating is required, for example, in cold winter, the utility model starts the heating mode, the compressor 1 starts, the first solenoid valve 3 and the second solenoid valve 8 are closed, and the a port of the four-way reversing valve 2 It communicates with interface c, and interface b communicates with interface d. At this time, the first air heat exchanger 10 acts as a condenser, the second air heat exchanger 12 does not work, and the third air heat exchanger 5 acts as an evaporator. The heating cycle flow is: compressor 1 → four-way reversing valve 2 (a interface to c interface) → first air heat exchanger 10 → first electronic expansion valve 7 → second electronic expansion valve 6 → third air exchanger Heater 5 → third solenoid valve 4 → four-way reversing valve 2 (port b to port d) → compressor 1.
本实用新型制热模式的工作过程：室外新风A经新风进风口18进入空调机组柜体14内，经第一过滤器24过滤后，与来自回风口16的室内空气C混合，混合后的空气首先经第一空气换热器10(此时作为冷凝器)加热升温，然后由离心风机11输送，再经第二过滤器25过滤、接着流经第二空气换热器12(此时不工作)，然后经加湿器26加湿，最后混合风B从出风口19送出，确保送入室内的空气满足新风和热舒适性要求；同时，室内空气D经排风进风口15进入排风换热箱体13内，首先经过第三空气换热器5(此时作为蒸发器)，使得室内空气D的热量交换到流过第三空气换热器5的制冷剂，即流过第三空气换热器5的制冷剂升温用于第一空气换热器10(此时作为冷凝器)的加热升温作用，而通过第三空气换热器5的室内空气D则降温，然后降温后的室内空气D再由排风机9输送，最后降温后的室内空气D成为排风E从排风出风口19送出到室外环境，完成第三空气换热器5的蒸发换热过程。在该制热模式中，第二电子膨胀阀6起到节流作用。The working process of the heating mode of the utility model: the outdoor fresh air A enters the cabinet body 14 of the air conditioner unit through the fresh air inlet 18, and after being filtered by the first filter 24, it is mixed with the indoor air C from the return air outlet 16, and the mixed air First heat up through the first air heat exchanger 10 (as a condenser at this time), then transported by the centrifugal fan 11, then filter through the second filter 25, then flow through the second air heat exchanger 12 (not working at this time) ), then humidified by the humidifier 26, and finally the mixed air B is sent out from the air outlet 19 to ensure that the air sent into the room meets the requirements of fresh air and thermal comfort; at the same time, the indoor air D enters the exhaust air heat exchange box through the exhaust air inlet 15 In the body 13, it first passes through the third air heat exchanger 5 (at this time as an evaporator), so that the heat of the indoor air D is exchanged to the refrigerant flowing through the third air heat exchanger 5, that is, the heat exchanged through the third air The temperature of the refrigerant in the cooler 5 is used to heat up the first air heat exchanger 10 (at this time as a condenser), and the indoor air D passing through the third air heat exchanger 5 is cooled, and then the cooled indoor air D Then transported by the exhaust fan 9, the finally cooled indoor air D becomes the exhaust air E and is sent to the outdoor environment from the exhaust air outlet 19 to complete the evaporative heat exchange process of the third air heat exchanger 5. In this heating mode, the second electronic expansion valve 6 plays a throttling role.
工作方式三：需要除湿时，例如在南方地区的“回南天”季节，本实用新型启动除湿模式，压缩机1启动，加湿器26关闭，四通换向阀2的a接口与b接口相通，c接口与d接口相通，此时，第一空气换热器10作为蒸发器，第二空气换热器12作为加热器，第三空气换热器5作为冷凝器，其制冷剂的除湿循环流程和工作过程同制冷模式，仅需通过控制第一空气换热器10的蒸发温度和制冷量，以及第二空气换热器12的加热量来实现。Working mode 3: When dehumidification is required, for example, in the season of "returning to the south" in the southern region, the utility model starts the dehumidification mode, the compressor 1 is started, the humidifier 26 is turned off, and the a port of the four-way reversing valve 2 is connected to the b port. Interface c is connected to interface d. At this time, the first air heat exchanger 10 is used as an evaporator, the second air heat exchanger 12 is used as a heater, and the third air heat exchanger 5 is used as a condenser. The dehumidification cycle flow of the refrigerant The cooling mode is the same as the working process, and only needs to be realized by controlling the evaporation temperature and cooling capacity of the first air heat exchanger 10 and the heating capacity of the second air heat exchanger 12 .
工作方式四：全新风运行时，例如在除上述季节之外的其他时段，无需制冷、制热和除湿，因此，关闭压缩机1和电动调节风阀21。Working mode 4: when the fresh air is running, for example, in periods other than the above-mentioned seasons, there is no need for cooling, heating and dehumidification, so the compressor 1 and the electric regulating damper 21 are turned off.
本实用新型全新风运行的工作过程：室外新风A经新风进风口18进入空调机组柜体14内，首先经第一过滤器24过滤，然后流经第一空气换热器10(此时不工作)，随后由离心风机11输送，再经第二过滤器25过滤、接着流经第二空气换热器12(此时不工作)和加湿器26，最后从出风口19送出，得到洁净的新风B，确保送入室内的新风满足要求；同时，室内空气D经排风进风口15进入排风换热箱体13内，依次经过第三空气换热器5(此时不工作)、四通换向阀2和压缩机1，然后由排风机9输送，最后排风E从排风出风口19送出。The working process of the fresh air operation of the utility model: the outdoor fresh air A enters the cabinet body 14 of the air conditioning unit through the fresh air inlet 18, is first filtered by the first filter 24, and then flows through the first air heat exchanger 10 (not working at this time) ), then transported by the centrifugal fan 11, then filtered by the second filter 25, then flow through the second air heat exchanger 12 (not working at this time) and the humidifier 26, and finally sent out from the air outlet 19 to obtain clean fresh air B, to ensure that the fresh air sent into the room meets the requirements; at the same time, the indoor air D enters the exhaust heat exchange box 13 through the exhaust air inlet 15, and passes through the third air heat exchanger 5 (not working at this time), the four-way The reversing valve 2 and the compressor 1 are then transported by the exhaust fan 9, and finally the exhaust air E is sent out from the exhaust air outlet 19.
其中，第二空气换热器12与第三空气换热器5形成并联连接，使本实用新型在制冷模式时，第二空气换热器12可合理利用自带冷源的冷凝热加热空气，第二空气换热器12和第三空气换热器5均与第一空气换热器10形成串联连接，使制冷和制热环路合理组合。Wherein, the second air heat exchanger 12 is connected in parallel with the third air heat exchanger 5, so that when the utility model is in cooling mode, the second air heat exchanger 12 can reasonably use the condensation heat of its own cold source to heat the air, Both the second air heat exchanger 12 and the third air heat exchanger 5 are connected in series with the first air heat exchanger 10, so that the cooling and heating loops are reasonably combined.
需要注意的是，上述第三电磁阀4是用于调节流过第三空气换热器5的制冷剂流量，从而调控第三空气换热器5的散热量以及辅助调控第二空气换热器12对混合风的加热量，本实用新型也可以不设置第三电磁阀4，这不影响本实用新型实现上述四组工作方式。It should be noted that the above-mentioned third solenoid valve 4 is used to adjust the flow rate of the refrigerant flowing through the third air heat exchanger 5, so as to regulate the heat dissipation of the third air heat exchanger 5 and assist in the regulation of the second air heat exchanger. 12. For the heating capacity of the mixed wind, the utility model also can not be provided with the third electromagnetic valve 4, which does not affect the utility model to realize the above-mentioned four groups of working modes.
在上述发明构思的基础上，本实用新型采用以下优选的结构：On the basis of above-mentioned inventive conception, the utility model adopts following preferred structure:
作为本实用新型的优选实施方式：新风进风口18安装有第一电动调节风阀22，可调节由新风进风口18进入空调机组柜体14内的室外新风A的风量，出风口19安装有第二电动调节风阀23，可调节由出风口19送出的混合风B的风量，回风口16安装有第三电动调节风阀21，可调节由回风口16进入空调机组柜体14内的室内空气C的风量；排风进风口15安装有第四电动调节风阀20，可调节由排风进风口15进入排风换热箱体13内的室内空气D的风量。As a preferred embodiment of the present utility model: the fresh air inlet 18 is equipped with a first electric regulating air valve 22, which can adjust the air volume of the outdoor fresh air A entering the air conditioner cabinet 14 from the fresh air inlet 18, and the air outlet 19 is equipped with a first electric regulating damper 22. Two electric adjustable air valves 23, which can adjust the air volume of the mixed air B sent from the air outlet 19, and the return air port 16 is equipped with a third electric adjustable air valve 21, which can adjust the indoor air entering the air conditioning unit cabinet 14 from the air return port 16 The air volume of C; the exhaust air inlet 15 is equipped with the fourth electric regulating air valve 20, which can adjust the air volume of the indoor air D entering the exhaust air heat exchange box 13 by the exhaust air inlet 15.
作为本实用新型的优选实施方式：在排风换热箱体13的内部，第三空气换热器5位于压缩机1的上风位置，在制冷模式时，避免压缩机1散热对第三空气换热器5(此时为冷凝器)换热效果的影响。As a preferred embodiment of the present utility model: inside the exhaust air heat exchange box 13, the third air heat exchanger 5 is located at the windward position of the compressor 1, and in the cooling mode, the third air heat exchanger 5 is prevented from dissipating heat from the compressor 1. Heater 5 (in this case, condenser) heat exchange effect.
作为本实用新型的优选实施方式：离心风机11采用变频风机，可变频调节由出风口19送出的混合风B的风量；压缩机1采用变频压缩机，可根据末端负荷的变化，适时调节自带冷源的制冷或制热量；排风机为离心风机，确保排风风压满足要求。As a preferred embodiment of the present utility model: the centrifugal fan 11 adopts a variable frequency fan, which can adjust the air volume of the mixed air B sent out by the air outlet 19; The cooling or heating capacity of the cold source; the exhaust fan is a centrifugal fan to ensure that the exhaust air pressure meets the requirements.
本实用新型不局限于上述具体实施方式，根据上述内容，按照本领域的普通技术知识和惯用手段，在不脱离本实用新型上述基本技术思想前提下，本实用新型还可以做出其它多种形式的等效修改、替换或变更，均落在本实用新型的保护范围之中。The utility model is not limited to the above-mentioned specific embodiments. According to the above content, according to the common technical knowledge and conventional means in this field, without departing from the above-mentioned basic technical idea of the utility model, the utility model can also be made into other various forms. The equivalent modifications, replacements or alterations all fall within the protection scope of the present utility model.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108286755A (en) * | 2018-02-28 | 2018-07-17 | 广东省建筑科学研究院集团股份有限公司 | A kind of air-treatment unit of included low-temperature receiver |
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2018
- 2018-02-28 CN CN201820285951.1U patent/CN208090854U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108286755A (en) * | 2018-02-28 | 2018-07-17 | 广东省建筑科学研究院集团股份有限公司 | A kind of air-treatment unit of included low-temperature receiver |
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