阅读说明：本技术 空调系统及空调机组 (Air conditioning system and air conditioning unit ) 是由 曾海贤 葛美才 顾金金 吴思恩 叶浩宇 钱亚峰 吴梅华 于 2020-04-23 设计创作，主要内容包括：一种空调系统,包括具有蒸发器、冷凝器及压缩机的循环回路,还包括再热盘管以及设置于所述冷凝器与压缩机之间的旁通支路,所述旁通支路包括多通阀、第一支路及第二支路,所述多通阀设置于所述冷凝器与压缩机之间,所述第一支路和第二支路分别与所述再热盘管连通,所述第一支路的另一端连通所述多通阀,第二支路的另一端连通于所述多通阀或所述冷凝器与压缩机之间的管路。上述空调系统通过在压缩机与冷凝器之间的管路设置旁通支路,将旁通支路与再热盘管进行连通,将压缩机中的高温高压的冷媒经过旁通支路,流入再热盘管,对空气进行再加热,有效的利用冷凝器产生的热量,采用空调系统的空调机组,不仅节约能耗而且利于室外机的散热。(The utility model provides an air conditioning system, is including the circulation circuit that has evaporimeter, condenser and compressor, still include reheat coil pipe and set up in bypass branch between condenser and the compressor, bypass branch includes multi-way valve, first branch road and second branch road, the multi-way valve set up in between condenser and the compressor, first branch road and second branch road respectively with reheat coil pipe intercommunication, the other end intercommunication of first branch road the multi-way valve, the other end intercommunication of second branch road in the multi-way valve or pipeline between condenser and the compressor. Above-mentioned air conditioning system sets up the bypass branch road through the pipeline between compressor and condenser, communicates bypass branch road and reheat coil pipe, and the high-pressure refrigerant of high temperature in the compressor passes through the bypass branch road, flows into reheat coil pipe, reheats the air, and the heat that the effectual utilization condenser produced adopts air conditioning system's air conditioning unit, not only practices thrift the energy consumption but also does benefit to the heat dissipation of off-premises station.)

1. An air conditioning system comprising a circulation loop having an evaporator, a condenser and a compressor, characterized in that: still include reheat coil and set up in bypass branch between condenser and the compressor, the bypass branch includes multi-way valve, first branch road and second branch road, the multi-way valve set up in between condenser and the compressor, first branch road and second branch road respectively with reheat coil intercommunication, first branch road still communicate the multi-way valve, the second branch road still communicate in the multi-way valve or pipeline between condenser and the compressor.

2. The air conditioning system of claim 1, wherein: and the first branch is provided with a throttling device for controlling the flow of the first branch.

3. The air conditioning system of claim 1, wherein: the second branch is also provided with a one-way valve which is respectively communicated with the second branch and a pipeline between the condenser and the compressor for preventing backflow.

4. An air conditioning unit using the air conditioning system according to any one of claims 1 to 3, characterized in that: the air conditioning unit comprises an indoor unit, an outdoor unit and a bypass branch, wherein the bypass branch is communicated with the indoor unit and the outdoor unit.

5. An air conditioning assembly as set forth in claim 4 wherein: the indoor unit comprises a fresh air area and a first air return area, the fresh air area comprises a fresh air channel and a filter arranged in the fresh air channel, and the fresh air channel is communicated with the first air return area.

6. An air conditioning assembly as set forth in claim 5 wherein: the first air return area comprises a first air return channel and a total heat exchanger arranged in the first air return channel, the total heat exchanger comprises a first channel and a second channel, the first channel is communicated with the first air return channel, the second channel is communicated with the fresh air channel, and the return air in the first air return channel and the fresh air in the fresh air channel exchange heat in the total heat exchanger.

7. An air conditioning assembly as set forth in claim 5 wherein: one end of the first air return channel is communicated with the indoor space, and the other end of the first air return channel is communicated with the outdoor space and used for discharging indoor polluted air.

8. An air conditioning assembly as set forth in claim 6 wherein: the indoor unit further comprises a second air return area, the second air return area comprises a second air return channel, the second air return channel is communicated with the second channel of the total heat exchanger, one end of the second air return channel is communicated with the indoor space, the other end of the second air return channel is closed, and the second air return channel is used for mixing indoor air return with fresh air.

9. An air conditioning assembly as set forth in claim 8 wherein: and an air valve is arranged at the communication position of the second return air channel and the indoor space and is used for controlling the communication or closing of the second return air channel and the indoor space.

10. An air conditioning assembly as set forth in claim 4 wherein: the indoor unit further comprises a wet film humidifying device used for humidifying the air after refrigeration or heating.

Technical Field

The application relates to the field of air conditioners, in particular to an air conditioning system and an air conditioning unit.

Background

When the air conditioner is used for refrigeration, the compressor compresses a gaseous refrigerant into a high-temperature and high-pressure state, then the gaseous refrigerant is sent to the condenser (outdoor unit) to be radiated to form a normal-temperature and high-pressure liquid refrigerant, and the liquid refrigerant enters the evaporator to absorb a large amount of heat so as to perform refrigeration. The condenser generates a large amount of heat during cooling and discharges the heat to the outside through the fan of the outdoor unit, which not only wastes energy but also is not favorable for heat dissipation of the outdoor unit of the air conditioner.

Disclosure of Invention

In view of the above, it is desirable to provide an air conditioning system and an air conditioning unit, which can save energy and reduce energy consumption.

An embodiment of the application provides an air conditioning system, including the circulation circuit who has evaporimeter, condenser and compressor, still include reheat coil and set up in bypass branch between condenser and the compressor, bypass branch includes multi-way valve, first branch road and second branch road, the multi-way valve set up in between condenser and the compressor, first branch road and second branch road respectively with reheat coil intercommunication, first branch road still communicates the multi-way valve, the second branch road still communicate in the multi-way valve or pipeline between condenser and the compressor.

Further, in some embodiments of the present application, a throttling device is disposed on the first branch for controlling a flow rate of the first branch.

Further, in some embodiments of the present application, the second branch is further provided with a check valve, and the check valve is respectively communicated with the second branch and a pipeline between the condenser and the compressor to prevent backflow.

The embodiment of this application still provides an air conditioning system adopts air conditioning system's air conditioning unit, air conditioning unit includes indoor set, off-premises station and bypass branch, the bypass branch intercommunication indoor set and off-premises station.

Further, in some embodiments of the present application, the indoor unit includes a fresh air area and a first return air area, the fresh air area includes a fresh air channel and a filter disposed in the fresh air channel, and the fresh air channel is communicated with the first return air area.

Further, in some embodiments of the present application, the first air return area includes a first air return channel and a total heat exchanger disposed in the first air return channel, the total heat exchanger includes a first channel and a second channel, the first channel is communicated with the first air return channel, the second channel is communicated with the fresh air channel, and the return air in the first air return channel and the fresh air in the fresh air channel perform heat exchange in the total heat exchanger.

Further, in some embodiments of the present application, one end of the first air return passage communicates with the indoor space, and the other end communicates with the outdoor space, for discharging indoor polluted air.

Further, in some embodiments of this application, the indoor set still includes second return air district, second return air district includes the second return air passageway, the second return air passageway with the second passageway intercommunication of full heat exchanger, the one end intercommunication of second return air passageway is indoor, and the other end is for sealing the form, the second return air passageway is used for mixing indoor return air and new trend.

Further, in some embodiments of the present application, an air valve is disposed at a communication position of the second return air channel and the room, and is used for controlling the communication or closing of the second return air channel and the room.

Further, in some embodiments of the present application, the indoor unit further includes a wet film humidifying device for humidifying air after cooling or heating.

Above-mentioned air conditioning system sets up the bypass branch road through the pipeline between compressor and condenser, communicates bypass branch road and reheat coil pipe, passes through the bypass branch road with the highly compressed refrigerant of high temperature in the compressor, flows into reheat coil pipe, reheats the air, and the heat that the effectual utilization condenser produced avoids the energy extravagant, adopts air conditioning system's air conditioning unit, and not only the energy saving reduces the energy consumption but also does benefit to the heat dissipation of off-premises station.

Drawings

Fig. 1 is a schematic structural view of an indoor unit according to an embodiment of the present application.

Description of the main elements

Indoor machine	100
		Shell body	10
Fresh air port	11
		Air outlet	12
First return air inlet	13
		Second air return inlet	14
Air supply outlet	15
		Fresh air area	20
Fresh air channel	21
		Filter	22
First return air zone	30
		First return air channel	31
Total heat exchanger	32
		Second return air zone	40
Second return air channel	41
		Treatment zone	50
Evaporator with a heat exchanger	51
		Reheating coil pipe	52
Air supply area	60
		Electric machine	61
Rotating shaft	62
		Fan blower	63
Electrical equipment box	70

The following detailed description will further illustrate the present application in conjunction with the above-described figures.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

An embodiment of the application provides an air conditioning system, including the circulation circuit who has evaporimeter, condenser and compressor, still include reheat coil and set up in bypass branch between condenser and the compressor, bypass branch includes multi-way valve, first branch road and second branch road, the multi-way valve set up in between condenser and the compressor, first branch road and second branch road respectively with reheat coil intercommunication, first branch road still communicates the multi-way valve, the second branch road still communicate in the multi-way valve or pipeline between condenser and the compressor.

The embodiment of this application still provides an air conditioning system adopts air conditioning system's air conditioning unit, air conditioning unit includes indoor set, off-premises station and bypass branch, the bypass branch intercommunication indoor set and off-premises station.

Above-mentioned air conditioning system sets up the bypass branch road through the pipeline between compressor and condenser, communicates bypass branch road and reheat coil pipe, passes through the bypass branch road with the highly compressed refrigerant of high temperature in the compressor, flows into reheat coil pipe, reheats the air, and the heat that the effectual utilization condenser produced avoids the energy extravagant, adopts air conditioning system's air conditioning unit, and not only the energy saving reduces the energy consumption but also does benefit to the heat dissipation of off-premises station.

Some embodiments of the present application will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1, in an embodiment, the air conditioning system includes an indoor unit 100 and an outdoor unit connected to the indoor unit 100. In one embodiment, the indoor unit 100 has a horizontal structure.

The indoor unit 100 includes a casing 10, a fresh air area 20, a first return air area 30, a second return air area 40, a processing area 50, and an air supply area 60. The fresh air zone 20, the first return air zone 30, the second return air zone 40, the processing zone 50 and the air supply zone 60 are all disposed in the housing 10.

The casing 10 is roughly a sealed cuboid structure, one end of the casing 10 is provided with a fresh air opening 11 and an air outlet 12, the fresh air opening 11 is communicated with the fresh air area 20, and the fresh air opening 11 is communicated with the outside through a pipeline and used for introducing fresh air. The air outlet 12 is communicated with the first return air area 30, and the air outlet 12 is communicated with the outside through a pipeline and used for discharging polluted air. A first air return opening 13 and a second air return opening 14 are further formed in one side of the housing 10. The first return air inlet 13 is communicated with a kitchen, a toilet and the like through a pipeline and is used for discharging polluted air to the outside through the air outlet 12. The second air return opening 14 is communicated with the indoor space through a pipeline, such as an office, a meeting room, a bedroom, a living room and the like, the second air return opening 14 can be communicated with one of the areas independently or communicated with a plurality of areas through a shunt pipeline, and the second air return opening 14 is used for introducing indoor return air into the shell 10 to be mixed with fresh air. And an air supply outlet 15 is further arranged on one side of the shell 10 opposite to the fresh air inlet 11, and the air supply outlet 15 is used for supplying the treated air into a room. It can be understood that the casing 10 is further provided with a plurality of through holes for connecting with an outdoor unit.

The fresh air area 20 comprises a fresh air channel 21 and a filter 22, one end of the fresh air channel 21 is communicated with the fresh air opening 11, the other end of the fresh air channel is communicated with the first return air area 30, and the filter 22 is arranged in the fresh air channel 21 and used for filtering pollutants such as dust in fresh air and ensuring the cleanness of the fresh air. In one embodiment, the filter 22 is disposed at an end of the fresh air channel 21 communicating with the first air return area 30, and the fresh air directly enters the first air return area after being filtered, so as to avoid polluting the fresh air. In one embodiment, the filter 22 includes a double layer filter structure, i.e., primary and high efficiency filtration. In one embodiment, the filter 22 is also used to remove static electricity, reducing static electricity generation.

The first return area 30 comprises a first return channel 31 and a total heat exchanger 32. One end of the first air return channel 31 is communicated with the first air return opening 13, and the other end is communicated with the air outlet 12. The total heat exchanger 32 is arranged in the first air return channel 31, one end of the total heat exchanger 32 is fixed at the end of the fresh air channel 21, and the other end is communicated with the second air return area 40. The total heat exchanger 32 comprises a first channel and a second channel inside, the first channel is communicated with the first air return channel 31, and the second channel is communicated with the fresh air channel 21 and the second air return area 40. The fresh air and the return air in the first return air channel 31 flow into the second return air zone 40 after heat exchange occurs in the first channel and the second channel, and the return air after heat exchange is discharged to the outside through the air outlet 12. In one embodiment, an exhaust fan 33 is disposed at an end of the first air return channel 31 close to the exhaust outlet 12, and is used for exhausting polluted air to the outside to keep the inside of the room clean. The first return air zone 30 can discharge indoor polluted air, can also exchange heat with fresh air by utilizing energy in return air, and can effectively reduce energy consumption.

The second return air zone 40 includes a second return air channel 41, one end of the second return air channel 41 is communicated with the second return air inlet 14, and the other end is closed. One side of the second return air channel 41 is communicated with the second channel, and is used for introducing fresh air subjected to heat exchange into the second return air channel 41 and mixing the fresh air with return air in the second return air channel 41. In one embodiment, the second return air duct 41 is provided with a sensor for detecting the temperature of the air in the second return air duct 41. In an embodiment, a filtering device and an air valve are disposed at a communication position of the second return air channel 41 and the second return air inlet 14, the filtering device filters return air to further ensure cleanliness of fresh air flowing into a room, and the air valve is used for controlling communication or closing of the second return air channel 41 and the second return air inlet 14. In one embodiment, the second return air channel 41 is further provided with an air detecting device for detecting the quality of the air in the second return air channel 41, and when the quality of the air is lower than a set threshold value, the controller controls the air valve to close to stop introducing the indoor return air.

The outdoor unit includes a compressor and a condenser connected to the compressor, and the treatment region 50 includes an evaporator 51 and a reheating coil 52. The evaporator 51 is connected to a condenser in the outdoor unit through an air pipe and a liquid pipe, and is used for flowing a refrigerant, thereby cooling or heating the inflow air. It is understood that the refrigerant flow direction in the pipe is opposite to that in the cooling in the heating, and the evaporator 51 is used as a condenser and the condenser is used as an evaporator. Reheating coil 52 set up in one side of evaporimeter 51 for carry out the reheat to the air after the refrigeration, promote indoor comfort level, reduce the humidity of air outlet, alleviate breeding of bacterium. The inlet and the outlet of the reheating coil 52 are communicated with a bypass branch, and the bypass branch is used for intercepting part of the refrigerant between the compressor and the condenser, so that the refrigerant flows into the reheating coil 52 to reheat the air. The bypass branch comprises a multi-way valve, a first branch, a second branch and a throttling device. In one embodiment, the multi-way valve is a four-way valve, and the throttling device is an electronic expansion valve. Two ends of the four-way valve are communicated with a pipeline between the compressor and the condenser, the other two ends of the four-way valve are respectively communicated with the first branch and the second branch, and one ends of the first branch and the second branch, which are far away from the four-way valve, are respectively communicated with an inlet and an outlet of the reheating coil pipe. The electronic expansion valve is arranged at one end of the first branch close to the four-way valve, and the quantity of intercepted refrigerants is controlled by controlling the opening degree of the electronic expansion valve, so that the reheating temperature of air is controlled. The control method of the bypass branch comprises the steps that when refrigeration is carried out, a refrigerant is compressed into a high-temperature high-pressure gaseous refrigerant by a compressor, when the refrigerant passes through a pipeline between the compressor and a condenser, one end of the four-way valve, which is communicated with a first branch, is controlled to be opened, part of the high-temperature high-pressure gaseous refrigerant is introduced into the first branch by controlling the opening degree of an electronic expansion valve, the high-temperature high-pressure gaseous refrigerant enters a reheating coil 52 through the first branch, air refrigerated by an evaporator is heated, the high-temperature high-pressure gaseous refrigerant flows into the pipeline between the compressor and the condenser again through a second branch and the four-way valve, and then flows into the condenser again to carry out refrigeration circulation.

In an embodiment, the multi-way valve may also be a three-way valve, two ends of the three-way valve are communicated with a pipeline between the compressor and the condenser, the other end of the three-way valve is communicated with the first branch, one end of the second branch is communicated with the outlet of the reheating coil 52, and the other end of the second branch is communicated with a pipeline between the compressor and the condenser through another three-way valve.

In one embodiment, a check valve is disposed at one end of the second branch communicated with the four-way valve, and is used for introducing the reheated refrigerant into a pipeline between the compressor and the condenser to prevent backflow.

In one embodiment, the treatment region 50 further comprises a wet film humidifying device for humidifying air, so as to prevent the indoor air from drying and increase the comfort of human body.

In one embodiment, the processing region 50 further includes an ultraviolet sterilization device for further sterilizing the air to be delivered into the room, thereby ensuring the air environment in the room.

It will be appreciated that during refrigeration, water vapor from the air will condense into water droplets upon encountering the cold evaporator, and that the treatment area 50 further includes a drain for draining the condensed water to the outside. In one embodiment, the drainage device includes a drainage pump and a receiving tray, the receiving tray is disposed below the evaporator and is used for receiving condensed water generated during refrigeration, one end of the drainage pump is communicated with the receiving tray, and the other end of the drainage pump is communicated with the outside through a pipeline.

The air supply section 60 includes an air supply mechanism for supplying the treated air into the room. In one embodiment, the air supply mechanism includes a motor 61, a rotating shaft 62 and two fans 63, the rotating shaft 62 is connected to the motor 61, two ends of the rotating shaft 62 are respectively connected to the fans 63, the rotating shaft 62 is driven by the motor 61 to rotate, and then the fans 63 are controlled to rotate, so that the processed air is sent into the room.

It will be appreciated that the housing 10 is also provided with an electrical box 70 for housing the necessary control elements.

Above-mentioned air conditioning system sets up the bypass branch road through the pipeline between compressor and condenser, communicates bypass branch road and reheat coil pipe, with the highly compressed refrigerant of high temperature through the bypass branch road, flow into reheat coil pipe, heat the air, promote indoor comfort level, a large amount of heats that the effectual outdoor unit that utilizes produced, the energy saving does benefit to the heat dissipation of outdoor unit moreover.

It should be understood by those skilled in the art that the above embodiments are only for illustrating the present application and are not to be taken as limiting the present application, and that suitable changes and modifications of the above embodiments are within the scope of the present disclosure as long as they are within the spirit and scope of the present application.