CN115585512A - Fresh air radiation air treatment system - Google Patents

Abstract

The invention relates to the field of air treatment, in particular to an air treatment system; the method comprises the following steps: the fresh air system comprises a first heat exchanger and a second heat exchanger; a radiating component; a compressor including an exhaust port, a first suction port, and a second suction port; the inlet end of the first loop is communicated with the exhaust port of the compressor, the outlet end of the first loop is communicated with the first air suction port of the compressor, the first heat exchanger and the second heat exchanger are arranged on the first loop, a first throttling valve and a first reversing valve are further arranged on the first loop, the first throttling valve is positioned between the first heat exchanger and the second heat exchanger, and the first reversing valve is used for changing the flow direction of a refrigerant in the first heat exchanger and the second heat exchanger; the inlet end of the second loop is communicated with the exhaust port of the compressor, the outlet end of the second loop is communicated with a second air suction port of the compressor, and the radiation assembly is arranged on the second loop to improve the air treatment efficiency.

Description

Fresh air radiation air treatment system

Technical Field

The invention relates to the field of air treatment, in particular to a fresh air radiation air treatment system.

Background

The conventional radiation system can regulate the room temperature to the target temperature for a long time, the radiation system directly cools the air of the room, and the tail end of the radiation system is easy to condense and drip water, so the radiation system is generally matched with a multi-connected unit for use; the cost of the two sets of equipment is high, the radiation system basically does not start to operate in a transition season, and the utilization rate of the equipment is relatively low.

In view of the above problems, no effective solution has been proposed.

Disclosure of Invention

The invention utilizes the double-stage compression air-supply enthalpy-increasing compressor to organically combine the fresh air system and the radiation system together, thereby improving the efficiency of air treatment.

An air treatment system comprising:

the fresh air system comprises a first heat exchanger and a second heat exchanger;

a radiating component;

a compressor including an exhaust port, a first suction port, and a second suction port;

the inlet end of the first loop is communicated with the exhaust port of the compressor, the outlet end of the first loop is communicated with the first air suction port of the compressor, the first heat exchanger and the second heat exchanger are arranged on the first loop, a first throttling valve and a first reversing valve are further arranged on the first loop, the first throttling valve is positioned between the first heat exchanger and the second heat exchanger, and the first reversing valve is used for changing the flow direction of refrigerant in the first heat exchanger and the second heat exchanger;

the inlet end of the second loop is communicated with the exhaust port of the compressor, the outlet end of the second loop is communicated with the second air suction port of the compressor, and the radiation assembly is arranged on the second loop.

Preferably, the air handling system further includes an outdoor heat exchanger, a second throttle valve, and a second reversing valve, which are disposed on the second loop, where the second throttle valve is located between the outdoor heat exchanger and the radiation assembly, and the second reversing valve is used to change a flow direction of a refrigerant in the outdoor heat exchanger.

Preferably, the fresh air system further comprises a third heat exchanger; the air treatment system further comprises a third loop, wherein a third heat exchanger is arranged on the third loop, a first end of the third loop is communicated with a loop between the second throttling valve and the outdoor heat exchanger, a second end of the third loop is communicated with a loop between the second reversing valve and the radiation assembly, and a third throttling valve is arranged on a loop between the first end of the third loop and the third heat exchanger.

Preferably, the radiation assembly comprises a radiation pipe network and a casing heat exchanger, the radiation pipe network is communicated with the casing heat exchanger through a fourth loop, a water pump is arranged on the fourth loop, and the water pump is used for driving fluid in the fourth loop to circularly flow.

Preferably, the second loop is coupled with the double-pipe heat exchanger for heat exchange.

Preferably, the compressor is an enthalpy-increasing compressor, and the first air suction port is an air supplement port;

the opening degree of the first throttle valve can enable the pressure of the refrigerant entering the air supplementing opening to be larger than the pressure of the refrigerant entering the second air suction opening.

Preferably, the air treatment system further comprises:

the controller is used for controlling the first reversing valve and the second reversing valve to change working modes so as to change the flow direction of a refrigerant in the first heat exchanger, the second heat exchanger, the third heat exchanger, the outdoor heat exchanger and the double-pipe heat exchanger; the controller is also used for controlling the opening degrees of the first throttle valve, the second throttle valve and the third throttle valve.

Preferably, the first directional valve has a first mode a and a first mode B; the second reversing valve has a second mode A and a second mode B;

the air handling system includes a plurality of air handling modes, and the first and second directional valves being in different operational modes enables the air handling system to be in different air handling modes.

Preferably, when the first reversing valve is in the first mode a, the fluid discharged from the exhaust port sequentially flows through the first reversing valve, the first heat exchanger, the first throttle valve, the second heat exchanger, the first reversing valve and then enters the enthalpy-increasing compressor through the air supplementing port;

when the first reversing valve is in a first mode B, the fluid discharged from the exhaust port sequentially flows through the first reversing valve, the second heat exchanger, the first throttle valve, the first heat exchanger and the first reversing valve and then enters the enthalpy-increasing compressor through the air supplementing port;

when the second reversing valve is in a second mode A, fluid discharged from the air outlet can sequentially flow through the second reversing valve, the outdoor heat exchanger, the second throttling valve, the double-pipe heat exchanger and the first reversing valve and then enter the enthalpy-increasing compressor through the air suction port; and/or the fluid discharged from the air outlet sequentially flows through the second reversing valve, the outdoor heat exchanger, the third throttle valve, the third heat exchanger and the second reversing valve and then enters the enthalpy-increasing compressor through the air suction port;

when the second reversing valve is in a second mode B, fluid discharged from the air outlet can sequentially flow through the second reversing valve, the double-pipe heat exchanger, the second throttling valve, the outdoor heat exchanger and the first reversing valve and then enter the enthalpy-increasing compressor through the air suction port; and/or the fluid discharged from the air outlet sequentially flows through the second reversing valve, the third heat exchanger, the third throttle valve, the outdoor heat exchanger and the second reversing valve and then enters the enthalpy-increasing compressor through the air suction port.

Preferably, the air treatment system comprises a first air treatment mode, when the air treatment system is set to the first air treatment mode, the first reversing valve is in a first mode B, the second reversing valve is in a second mode a, the third circuit is open, and the radiation pipe network is open;

the heat released by the second heat exchanger is discharged to the outdoor, the first heat exchanger and the third heat exchanger absorb heat to cool and dehumidify fresh air entering the room, and the radiation pipe network absorbs heat to cool the room.

Preferably, the air treatment system comprises a second air treatment mode, when the air treatment system is set to the second air treatment mode, the first reversing valve is in the first mode B, the second reversing valve is in the second mode a, the third circuit is disconnected, and the radiation pipe network is opened;

the second heat exchanger releases heat and discharges the heat to the outdoor, the first heat exchanger absorbs the heat to cool and dehumidify fresh air entering the room, and the radiation pipe network absorbs the heat to cool the room.

Preferably, the air treatment system comprises a third air treatment mode, when the air treatment system is set to the third air treatment mode, the first reversing valve is in the first mode B, the second reversing valve is in the second mode a, the third circuit is opened, and the radiation pipe network is disconnected;

the heat released by the second heat exchanger is discharged to the outside, and the first heat exchanger and the third heat exchanger absorb the heat to cool and dehumidify the fresh air entering the room.

Preferably, the air treatment system comprises a fourth air treatment mode, when the air treatment system is in the fourth air treatment mode, the first reversing valve is in the first mode B, the second reversing valve is in the second mode B, the third circuit is opened, and the radiation pipe network is disconnected;

the heat released by the second heat exchanger is discharged to the outdoor, the first heat exchanger absorbs heat to cool and dehumidify fresh air entering the indoor, and the heat released by the third heat exchanger heats and warms up the cooled and dehumidified fresh air.

Preferably, the air treatment system comprises a fifth air treatment mode, when the air treatment system is in the fifth air treatment mode, the first reversing valve is in the first mode a, the second reversing valve is in the second mode B, the third circuit is open, and the radiation pipe network is open;

the first heat exchanger releases heat to heat fresh air entering the room, and the third heat exchanger releases heat to heat the fresh air again; the radiation pipe network releases heat to heat the room; the second heat exchanger absorbs heat to cool the air discharged outdoors.

Preferably, the air treatment system comprises a sixth air treatment mode, when the air treatment system is in the sixth air treatment mode, the first reversing valve is in the first mode a, the second reversing valve is in the second mode a, the third circuit is disconnected, and the radiation pipe network is opened;

the first heat exchanger releases heat to heat fresh air entering the room, and the radiation pipe network releases heat to heat the room; and the second heat exchanger absorbs heat to cool the air exhausted outdoors.

According to the invention, the fresh air system and the radiation component are organically combined through the enthalpy-increasing compressor, the flow direction of the refrigerant in the first loop is controlled through the first reversing valve, and the flow direction of the refrigerant in the second loop is controlled through the second reversing valve, so that the first heat exchanger, the second heat exchanger and the radiation component are in different working states, the functionality of the air treatment system is further improved, the indoor air treatment capacity is improved, the energy consumption is reduced, and the user experience is improved.

Drawings

FIG. 1 is a schematic view of a system according to embodiment 1 of the present invention;

FIG. 2 is a schematic system diagram according to embodiment 2 of the present invention;

FIG. 3 is a schematic system diagram according to embodiment 3 of the present invention;

FIG. 4 is a schematic system diagram according to embodiment 4 of the present invention;

FIG. 5 is a schematic view of a system according to embodiment 5 of the present invention;

fig. 6 is a schematic system diagram according to embodiment 6 of the present invention.

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention.

In the drawings: 1-a compressor; 2-a radiating component; 201-a radiation pipe network; 202-double pipe heat exchanger; 103-an exhaust port; 101-a first suction port; 102-a second suction opening; 301-a first throttle valve; 302-a second throttle valve; 303-a third throttle valve; 401 — a first heat exchanger; 402-a second heat exchanger; 403-a third heat exchanger; 404-outdoor heat exchanger; 501-a first loop; 502-a second loop; 503-a third loop; 504-a fourth loop; 601-a first directional valve; 602-second reversing valve.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order; the "front end" and "back end" are opposite. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

The invention relates to the field of air treatment, in particular to a fresh air radiation air treatment system; the conventional radiation system can adjust the room temperature to the target temperature for a long time, and the radiation system directly cools the air of the room, and the tail end of the radiation system is easy to condense and drip water, so the radiation system is generally used together with a multi-connected unit; the cost of two sets of equipment is high, the radiation system basically does not start to operate in a transition season, and the utilization rate of the equipment is relatively low; aiming at the problems, the fresh air system and the radiation system are combined together organically by the double-stage compression air-supply enthalpy-increasing compressor, so that the air treatment efficiency is improved.

An air treatment system, as shown in fig. 1-6, comprising: the fresh air system comprises a first heat exchanger 401 and a second heat exchanger 402; a radiation assembly 2; a compressor 1 including an exhaust port 103, a first suction port 101, and a second suction port 102; the inlet end of the first loop 501 is communicated with the exhaust port 103 of the compressor 1, the outlet end of the first loop 501 is communicated with the first suction port 101 of the compressor 1, the first heat exchanger 401 and the second heat exchanger 402 are arranged on the first loop 501, the first loop 501 is further provided with a first throttling valve 301 and a first reversing valve 601, the first throttling valve 301 is positioned between the first heat exchanger 401 and the second heat exchanger 402, and the first reversing valve 601 is used for changing the flow direction of the refrigerant in the first heat exchanger 401 and the second heat exchanger 402; a second loop 502, the inlet end of the second loop 502 is communicated with the exhaust port 103 of the compressor 1, the outlet end of the second loop 502 is communicated with the second suction port 102 of the compressor 1, and the radiation assembly 2 is arranged on the second loop 502.

By changing the flow direction of the refrigerant in the first loop 501, the functions of the first heat exchanger 401 and the second heat exchanger 402 are further changed, so that the air treatment system can meet different requirements, and the functionality of the air treatment system is improved; the utilization rate of the refrigerant discharged by the compressor 1 is improved through the radiation assembly 2.

Preferably, the air processing system further includes an outdoor heat exchanger 404 disposed on the second circuit 502, a second throttle valve 302, and a second reversing valve 602, wherein the second throttle valve 302 is disposed between the outdoor heat exchanger 404 and the radiation module 2, and the second reversing valve 602 is configured to change a flow direction of the refrigerant in the outdoor heat exchanger 404.

The flow directions in the refrigerant radiation assembly 2 and the outdoor heat exchanger 404 are changed through the second section of reversing valve, so that the functions of the radiation assembly 2 and the outdoor heat exchanger 404 are changed, and the function of the radiation assembly 2 is improved.

Preferably, the fresh air system further comprises a third heat exchanger 403; the air processing system further comprises a third loop 503, the third heat exchanger 403 is arranged on the third loop 503, wherein a first end of the third loop 503 is communicated on the loop between the second throttle valve 302 and the outdoor heat exchanger 404, a second end of the third loop 503 is communicated on the loop between the second reversing valve 602 and the radiation assembly 2, and a third throttle valve 303 is arranged on the loop between the first end of the third loop 503 and the third heat exchanger 403.

By providing the third heat exchanger 403, the functionality of the fresh air system is improved.

Preferably, the radiation module 2 includes a radiation pipe network 201 and a casing heat exchanger 202, the radiation pipe network 201 and the casing heat exchanger 202 are communicated through a fourth loop 504, and a water pump is disposed on the fourth loop 504 and is used for driving fluid in the fourth loop 504 to circularly flow.

Preferably, the second loop 502 is coupled in heat exchange relationship with the double pipe heat exchanger 202.

Preferably, the compressor 1 is an enthalpy-increasing compressor 1, and the first air suction port 101 is an air supplement port; the opening degree of the first throttle valve 301 can make the pressure of the refrigerant entering the air supplement port larger than the pressure of the refrigerant entering the second suction port 102.

The compressor 1 is set as the enthalpy-increasing compressor 1, so that the working efficiency of the system is improved, and the energy consumption is reduced.

Preferably, the air treatment system further comprises: the controller is used for controlling the first reversing valve 601 and the second reversing valve 602 to change the working mode so as to change the flow direction of the refrigerant in the first heat exchanger 401, the second heat exchanger 402, the third heat exchanger 403, the outdoor heat exchanger 404 and the double-pipe heat exchanger 202; the controller is also used to control the opening of the first throttle valve 301, the second throttle valve 302 and the third throttle valve 303.

The controller controls the first reversing valve 601, the second reversing valve 602, the first throttle valve 301, the second throttle valve 302 and the third throttle valve 303, so that the control efficiency is improved.

Preferably, the first directional valve 601 has a first mode a and a first mode B; the second directional valve 602 has a second mode a and a second mode B; the air handling system comprises a plurality of air handling modes, and the first 601 and second 602 reversing valves being in different operating modes enables the air handling system to be in different air handling modes.

Preferably, when the first direction valve 601 is in the first mode a, the fluid discharged from the exhaust port 103 sequentially flows through the first direction valve 601, the first heat exchanger 401, the first throttle valve 301, the second heat exchanger 402, and the first direction valve 601, and then enters the enthalpy-increasing compressor 1 through the air supplement port; when the first reversing valve 601 is in the first mode B, the fluid discharged from the exhaust port 103 sequentially flows through the first reversing valve 601, the second heat exchanger 402, the first throttle valve 301, the first heat exchanger 401 and the first reversing valve 601 and then enters the enthalpy-increasing compressor 1 through the air supplementing port; when the second reversing valve 602 is in the second mode a, the fluid discharged from the air outlet 103 can sequentially flow through the second reversing valve 602, the outdoor heat exchanger 404, the second throttle valve 302, the double-pipe heat exchanger 202 and the first reversing valve 601 and then enter the enthalpy-increasing compressor 1 through the air inlet; and/or the fluid discharged from the gas outlet 103 flows through the second reversing valve 602, the outdoor heat exchanger 404, the third throttle valve 303, the third heat exchanger 403 and the second reversing valve 602 in sequence and then enters the enthalpy-increasing compressor 1 through a gas suction port; when the second reversing valve 602 is in the second mode B, the fluid discharged from the air outlet 103 can sequentially flow through the second reversing valve 602, the double-pipe heat exchanger 202, the second throttle valve 302, the outdoor heat exchanger 404 and the first reversing valve 601 and then enter the enthalpy-increasing compressor 1 through the air inlet; and/or the fluid discharged from the gas outlet 103 flows through the second direction changing valve 602, the third heat exchanger 403, the third throttle valve 303, the outdoor heat exchanger 404, the second direction changing valve 602 in sequence and then enters the enthalpy-increasing compressor 1 through the gas inlet.

Example 1:

as shown in fig. 1, the air handling system comprises a first air handling mode, when the air handling system is set to the first air handling mode, the first directional valve 601 is in the first mode B, the second directional valve 602 is in the second mode a, the third circuit 503 is open, and the radiant ductwork 201 is open; the heat released by the second heat exchanger 402 is discharged to the outdoor, the first heat exchanger 401 and the third heat exchanger 403 absorb the heat to cool and dehumidify the fresh air entering the room, and the radiation pipe network 201 absorbs the heat to cool the room.

When the high-temperature high-pressure refrigerant passing through the first reversing valve 601 passes through the second heat exchanger 402, the high-temperature high-pressure refrigerant releases heat outwards, the high-temperature high-pressure gas is changed into medium-temperature high-pressure gas, the medium-temperature high-pressure gas passes through the first throttle valve 301, is changed into low-temperature low-pressure gas-liquid two-phase refrigerant and enters the first heat exchanger 401, and the heat is absorbed by the first heat exchanger 401; the refrigerant passing through the second reversing valve 602 releases heat through the outdoor heat exchanger 404, the high-temperature and high-pressure gas is changed into the medium-temperature and high-pressure gas, one path of the medium-temperature and high-pressure gas enters the third loop 503, passes through the third throttle valve 303, is changed into the low-temperature and low-pressure two-phase refrigerant, enters the third heat exchanger 403, and absorbs heat through the third heat exchanger 403; the other path of the refrigerant is changed into a low-temperature low-pressure two-phase refrigerant through a second throttle valve 302 and exchanges heat with the double-pipe heat exchanger 202 to cool the radiation pipe network 201 of the fourth loop 504, and a water pump on the radiation pipe network 201 works to enable the fluid in the radiation pipe network 201 to flow and radiate outwards to absorb heat; when the user has high requirements on the indoor environment, the mode is adopted, a temperature sensor, a humidity sensor, a carbon dioxide detector, a PM2.5 detector and the like can be arranged indoors to detect the indoor environment, and when the indoor environment reaches a set condition, the air treatment system is controlled to be converted into the mode to treat the indoor environment; the first heat exchanger 401 and the third heat exchanger 403 condense, dehumidify and cool fresh air entering a room, the radiation pipe network 201 radiatively cools the room, and meanwhile, a ventilation fan is arranged in the room to improve the internal flow and the internal and external flow of air; the pressure of the gas entering the supplementary air port through the first change valve 601 is greater than the pressure of the gas entering the second suction port 102 through the second change valve 602 by the first throttle valve 301, the second throttle valve 302 and the third throttle valve 303, so that the working efficiency of the enthalpy-increasing compressor 1 is improved.

Example 2

As shown in fig. 2, the air treatment system comprises a second air treatment mode, when the air treatment system is set to the second air treatment mode, the first directional valve 601 is in the first mode B, the second directional valve 602 is in the second mode a, the third circuit 503 is disconnected, and the radiation pipe network 201 is opened; the heat released by the second heat exchanger 402 is discharged to the outside, the first heat exchanger 401 absorbs the heat to cool and dehumidify the fresh air entering the room, and the radiation pipe network 201 absorbs the heat to cool the room.

When the high-temperature high-pressure refrigerant passing through the first reversing valve 601 passes through the second heat exchanger 402, the high-temperature high-pressure refrigerant releases heat outwards, the high-temperature high-pressure gas is changed into medium-temperature high-pressure gas, the medium-temperature high-pressure gas passes through the first throttle valve 301, is changed into low-temperature low-pressure gas-liquid two-phase refrigerant and enters the first heat exchanger 401, and the heat is absorbed by the first heat exchanger 401; the refrigerant passing through the second reversing valve 602 releases heat through the outdoor heat exchanger 404, the high-temperature high-pressure gas is changed into medium-temperature high-pressure gas, the medium-temperature high-pressure gas is changed into low-temperature low-pressure two-phase refrigerant through the second throttle valve 302 and exchanges heat with the double-pipe heat exchanger 202 to cool the radiation pipe network 201 of the fourth loop 504, and the water pump on the radiation pipe network 201 works to enable the fluid in the radiation pipe network 201 to flow and radiate outwards to absorb heat; when a user has low requirements on the indoor air quality and expects that the unit can operate with lower energy consumption, the unit can operate according to the mode, a temperature sensor, a humidity sensor, a carbon dioxide detector, a PM2.5 detector and the like can be arranged indoors to detect the indoor environment, and when the indoor environment reaches a set condition, the air treatment system is controlled to be changed into the mode to treat the indoor environment; the first heat exchanger 401 condenses, dehumidifies and cools the fresh air entering the room, the radiation pipe network 201 radiates and cools the room, and meanwhile, the ventilation fan is arranged in the room to improve the internal flow and the internal and external flow of the air; the pressure of the gas entering the supplementary air port through the first change valve 601 is made greater than the pressure of the gas entering the second suction port 102 through the second change valve 602 by the first throttle valve 301 and the second throttle valve 302, so that the work efficiency of the enthalpy-increasing compressor 1 is improved.

Example 3

As shown in fig. 3, the air handling system comprises a third air handling mode, when the air handling system is set to the third air handling mode, the first directional valve 601 is in the first mode B, the second directional valve 602 is in the second mode a, the third circuit 503 is open, and the radiant tube network 201 is disconnected; the heat released by the second heat exchanger 402 is discharged to the outside, and the first heat exchanger 401 and the third heat exchanger 403 absorb the heat to cool and dehumidify the fresh air entering the room.

When the high-temperature high-pressure refrigerant passing through the first reversing valve 601 passes through the second heat exchanger 402, the high-temperature high-pressure refrigerant releases heat outwards, the high-temperature high-pressure gas is changed into medium-temperature high-pressure gas, the medium-temperature high-pressure gas passes through the first throttle valve 301, is changed into low-temperature low-pressure gas-liquid two-phase refrigerant and enters the first heat exchanger 401, and the heat is absorbed by the first heat exchanger 401; the refrigerant passing through the second reversing valve 602 releases heat through the outdoor heat exchanger 404, the high-temperature and high-pressure gas is changed into medium-temperature and high-pressure gas, the medium-temperature and high-pressure gas enters the third loop 503, passes through the third throttle valve 303, is changed into a low-temperature and low-pressure two-phase refrigerant, enters the third heat exchanger 403, and absorbs heat through the third heat exchanger 403; the mode is suitable for the condition that the system is just opened or the indoor air humidity is higher, and meanwhile, the temperature is required to be reduced indoors; the indoor air conditioner can effectively and quickly dehumidify the indoor air through the mode; a temperature sensor, a humidity sensor, a carbon dioxide detector, a PM2.5 detector and the like can be arranged indoors to detect the indoor environment, and when the indoor environment reaches a set condition, the air treatment system is controlled to be converted into the mode to treat the indoor environment; the first heat exchanger 401 and the third heat exchanger 403 condense, dehumidify and cool the fresh air entering the room, and meanwhile, a ventilation fan is arranged in the room to improve the internal flow and the internal and external flow of the air; the pressure of the gas entering the supplementary gas port through the first reversing valve 601 is made to be higher than the pressure of the gas entering the second gas suction port 102 through the second reversing valve 602 by the first throttle valve 301 and the third throttle valve 303, so that the working efficiency of the enthalpy-increasing compressor 1 is improved.

Example 4

As shown in fig. 4, the air handling system comprises a fourth air handling mode, when the air handling system is in the fourth air handling mode, the first directional valve 601 is in the first mode B, the second directional valve 602 is in the second mode B, the third circuit 503 is open, and the radiant tube network 201 is disconnected; the heat released by the second heat exchanger 402 is discharged to the outdoor, the first heat exchanger 401 absorbs the heat to cool and dehumidify the fresh air entering the indoor, and the third heat exchanger 403 releases the heat to heat and warm the cooled and dehumidified fresh air.

When the high-temperature high-pressure refrigerant passing through the first reversing valve 601 passes through the second heat exchanger 402, the high-temperature high-pressure refrigerant releases heat outwards, the high-temperature high-pressure gas is changed into medium-temperature high-pressure gas, the medium-temperature high-pressure gas passes through the first throttle valve 301, is changed into low-temperature low-pressure gas-liquid two-phase refrigerant and enters the first heat exchanger 401, and the heat is absorbed by the first heat exchanger 401; the refrigerant passing through the second reversing valve 602 enters the third heat exchanger 403 through the third loop 503 to release heat, the high-temperature and high-pressure gas is changed into medium-temperature and high-pressure gas, the medium-temperature and high-pressure gas is changed into a low-temperature and low-pressure two-phase refrigerant after passing through the third throttle valve 303, and the low-temperature and low-pressure two-phase refrigerant enters the outdoor heat exchanger 404; the mode is suitable for transition seasons, namely dehumidification is needed but indoor temperature is not needed to be adjusted, a temperature sensor, a humidity sensor, a carbon dioxide detector, a PM2.5 detector and the like can be arranged indoors to detect indoor environment, and when the indoor environment reaches set conditions, the air treatment system is controlled to be changed into the mode to treat the indoor environment; the first heat exchanger 401 condenses, dehumidifies and cools the fresh air entering the room, and the third heat exchanger 403 heats the cooled and dehumidified air; meanwhile, a ventilation fan is arranged indoors, so that the internal flow and the internal and external flow of air are improved; the working efficiency of the enthalpy-increasing compressor 1 is improved by making the pressure of the gas entering the supplementary gas port through the first change valve 601 larger than the pressure of the gas entering the second gas suction port 102 through the second change valve 602 by the first throttle valve 301, the second throttle valve 302 and the third throttle valve 303.

Example 5

As shown in fig. 5, the air handling system comprises a fifth air handling mode, when the air handling system is in the fifth air handling mode, the first directional valve 601 is in the first mode a, the second directional valve 602 is in the second mode B, the third circuit 503 is open, and the radiant piping network 201 is open; the first heat exchanger 401 releases heat to heat fresh air entering the room, and the third heat exchanger 403 releases heat to heat the fresh air again; the radiant pipe network 201 releases heat to raise the temperature indoors; the second heat exchanger 402 absorbs heat to cool the air discharged to the outside of the room.

When the high-temperature and high-pressure refrigerant passing through the first reversing valve 601 passes through the first heat exchanger 401, the high-temperature and high-pressure refrigerant releases heat outwards, the high-temperature and high-pressure gas is changed into medium-temperature and high-pressure gas, the medium-temperature and high-pressure gas passes through the first throttle valve 301, is changed into low-temperature and low-pressure gas-liquid two-phase refrigerant and enters the second heat exchanger 402, and the heat is absorbed by the second heat exchanger 402; one path of the refrigerant passing through the second reversing valve 602 enters the third heat exchanger 403 through the third loop 503 to release heat, the high-temperature and high-pressure gas is changed into medium-temperature and high-pressure gas, the medium-temperature and high-pressure gas is changed into low-temperature and low-pressure two-phase refrigerant after passing through the third throttle valve 303 and enters the outdoor heat exchanger 404, and the other path of the refrigerant enters the double-pipe heat exchanger 202 to exchange heat with the radiation pipe network 201 of the fourth loop 504 and release heat; the refrigerant passing through the double pipe heat exchanger 202 enters the outdoor heat exchanger 404 to absorb heat and is changed into low-pressure low-temperature gaseous refrigerant; the mode is suitable for heating when the air conditioner is started up, indoor temperature and ventilation need to be rapidly increased, a temperature sensor, a humidity sensor, a carbon dioxide detector, a PM2.5 detector and the like can be arranged indoors to detect the indoor environment, and when the indoor environment reaches a set condition, the air treatment system is controlled to be changed into the mode to treat the indoor environment; the first heat exchanger 401 heats fresh air entering a room, the third heat exchanger 403 heats air heated by the fresh air, and the radiation pipe network 201 performs radiation heating on the room; meanwhile, a ventilation fan is arranged indoors, so that the internal flow and the internal and external flow of air are improved; the working efficiency of the enthalpy-increasing compressor 1 is improved by making the pressure of the gas entering the supplementary gas port through the first change valve 601 larger than the pressure of the gas entering the second gas suction port 102 through the second change valve 602 by the first throttle valve 301, the second throttle valve 302 and the third throttle valve 303.

Example 6

As shown in fig. 6, the air treatment system comprises a sixth air treatment mode, when the air treatment system is in the sixth air treatment mode, the first directional valve 601 is in the first mode a, the second directional valve 602 is in the second mode a, the third circuit 503 is disconnected, and the radiation pipe network 201 is opened; the first heat exchanger 401 releases heat to heat fresh air entering the room, and the radiation pipe network 201 releases heat to heat the room; the second heat exchanger 402 absorbs heat to cool the air discharged from the outdoor.

When the high-temperature and high-pressure refrigerant passing through the first reversing valve 601 passes through the first heat exchanger 401, the high-temperature and high-pressure refrigerant releases heat outwards, the high-temperature and high-pressure gas is changed into medium-temperature and high-pressure gas, the medium-temperature and high-pressure gas is changed into low-temperature and low-pressure gas-liquid two-phase refrigerant after passing through the first throttle valve 301, the low-temperature and low-pressure gas-liquid two-phase refrigerant enters the second heat exchanger 402, and the heat is absorbed by the second heat exchanger 402; the refrigerant passing through the second reversing valve 602 enters the double-pipe heat exchanger 202 to exchange heat with the radiation pipe network 201 of the fourth loop 504 and release heat; the refrigerant passing through the double pipe heat exchanger 202 enters the outdoor heat exchanger 404 to absorb heat and is changed into low-pressure low-temperature gaseous refrigerant; the mode is suitable for the situation that the requirement on the indoor environment is not high or the indoor environment does not need to be heated too much, and the indoor temperature can be heated with lower power consumption; a temperature sensor, a humidity sensor, a carbon dioxide detector, a PM2.5 detector and the like can be arranged indoors to detect the indoor environment, and when the indoor environment reaches a set condition, the air treatment system is controlled to be converted into the mode to treat the indoor environment; the first heat exchanger 401 heats the fresh air entering the room, and the radiation pipe network 201 heats the room in a radiation mode; meanwhile, a ventilation fan is arranged indoors, so that the internal flow and the internal and external flow of air are improved; the pressure of the gas entering the supplementary air port through the first change valve 601 is greater than the pressure of the gas entering the second suction port 102 through the second change valve 602 by the first throttle valve 301, the second throttle valve 302 and the third throttle valve 303, so that the working efficiency of the enthalpy-increasing compressor 1 is improved.

According to the invention, a fresh air system and a radiation component 2 are organically combined through an enthalpy-increasing compressor 1, the flow direction of a refrigerant in a first loop 501 is controlled through a first reversing valve 601, and the flow direction of the refrigerant in a second loop 502 is controlled through a second reversing valve 602, so that a first heat exchanger 401, a second heat exchanger 402 and the radiation component 2 are in different working states, and the functionality of an air treatment system is further improved; the air inlet pressure of the enthalpy-increasing compressor 1 is larger than the air inlet pressure of the second air suction port 102 through the first throttle valve 301, the second throttle valve 302 and the third throttle valve 303, so that the enthalpy-increasing compressor 1 can work with higher working efficiency, the power consumption is reduced, the indoor air processing capacity is improved, and the user experience is improved.

Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that the present disclosure is not limited to the precise construction, arrangements, or implementations described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims (15)

1. An air treatment system, comprising:

the fresh air system comprises a first heat exchanger and a second heat exchanger;

a radiating component;

a compressor including an exhaust port, a first suction port, and a second suction port;

the inlet end of the first loop is communicated with the exhaust port of the compressor, the outlet end of the first loop is communicated with the first air suction port of the compressor, the first heat exchanger and the second heat exchanger are arranged on the first loop, a first throttling valve and a first reversing valve are further arranged on the first loop, the first throttling valve is positioned between the first heat exchanger and the second heat exchanger, and the first reversing valve is used for changing the flow direction of refrigerant in the first heat exchanger and the second heat exchanger;

the inlet end of the second loop is communicated with the exhaust port of the compressor, the outlet end of the second loop is communicated with the second air suction port of the compressor, and the radiation assembly is arranged on the second loop.

2. The air handling system of claim 1, further comprising an outdoor heat exchanger disposed on the second circuit, a second throttling valve disposed between the outdoor heat exchanger and the radiation assembly, and a second reversing valve for changing a flow direction of the refrigerant in the outdoor heat exchanger.

3. The air handling system of claim 1, wherein the fresh air system further comprises a third heat exchanger; the air treatment system further comprises a third loop, wherein a third heat exchanger is arranged on the third loop, a first end of the third loop is communicated with a loop between the second throttling valve and the outdoor heat exchanger, a second end of the third loop is communicated with a loop between the second reversing valve and the radiation assembly, and a third throttling valve is arranged on a loop between the first end of the third loop and the third heat exchanger.

4. The air treatment system of claim 3, wherein the radiation assembly comprises a radiation pipe network and a double-pipe heat exchanger, the radiation pipe network and the double-pipe heat exchanger are communicated through a fourth loop, and a water pump is arranged on the fourth loop and used for driving fluid in the fourth loop to circularly flow.

5. The air handling system of claim 4, wherein the second circuit is coupled in heat exchange relationship with the double-pipe heat exchanger.

6. The air handling system of claim 1, wherein the compressor is an enthalpy increasing compressor, and the first suction port is a make-up port;

the opening degree of the first throttle valve can enable the pressure of the refrigerant entering the air supplementing opening to be larger than the pressure of the refrigerant entering the second air suction opening.

7. The air handling system of claim 5, further comprising:

the controller is used for controlling the first reversing valve and the second reversing valve to change working modes so as to change the flow direction of a refrigerant in the first heat exchanger, the second heat exchanger, the third heat exchanger, the outdoor heat exchanger and the double-pipe heat exchanger; the controller is also used for controlling the opening degrees of the first throttle valve, the second throttle valve and the third throttle valve.

8. The air handling system of claim 7, wherein the first reversing valve has a first mode A and a first mode B; the second directional valve has a second mode A and a second mode B;

the air handling system includes a plurality of air handling modes, and the first and second directional valves being in different operational modes enables the air handling system to be in different air handling modes.

9. The air handling system of claim 8, wherein when the first reversing valve is in the first mode A, fluid discharged from the exhaust port flows through the first reversing valve, the first heat exchanger, the first throttle valve, the second heat exchanger, the first reversing valve in sequence and then enters the enthalpy-increasing compressor through the air make-up port;

when the first reversing valve is in a first mode B, the fluid discharged from the exhaust port sequentially flows through the first reversing valve, the second heat exchanger, the first throttle valve, the first heat exchanger and the first reversing valve and then enters the enthalpy-increasing compressor through the air supplementing port;

when the second reversing valve is in a second mode A, fluid discharged from the air outlet sequentially flows through the second reversing valve, the outdoor heat exchanger, the second throttling valve, the double-pipe heat exchanger and the second reversing valve and then enters the enthalpy-increasing compressor through the air suction port; and/or the fluid discharged from the air outlet sequentially flows through the second reversing valve, the outdoor heat exchanger, the third throttle valve, the third heat exchanger and the second reversing valve and then enters the enthalpy-increasing compressor through the air suction port;

when the second reversing valve is in a second mode B, fluid discharged from the air outlet can sequentially flow through the second reversing valve, the double-pipe heat exchanger, the second throttling valve, the outdoor heat exchanger and the second reversing valve and then enter the enthalpy-increasing compressor through the air suction port; and/or the fluid discharged from the exhaust port sequentially flows through the second reversing valve, the third heat exchanger, the third throttle valve, the outdoor heat exchanger and the second reversing valve and then enters the enthalpy-increasing compressor through the air suction port.

10. The air handling system of claim 9, comprising a first air handling mode, when the air handling system is set to the first air handling mode, the first diverter valve is in a first mode B, the second diverter valve is in a second mode a, the third circuit is open, and the radiant tube network is open;

the heat released by the second heat exchanger is discharged to the outdoor, the first heat exchanger and the third heat exchanger absorb heat to cool and dehumidify fresh air entering the room, and the radiation pipe network absorbs heat to cool the room.

11. The air handling system of claim 9, including a second air handling mode, when the air handling system is set to the second air handling mode, the first directional valve is in the first mode B, the second directional valve is in the second mode a, the third circuit is open, and the radiant ductwork is open;

the second heat exchanger releases heat and discharges the heat to the outdoor, the first heat exchanger absorbs the heat to cool and dehumidify fresh air entering the room, and the radiation pipe network absorbs the heat to cool the room.

12. The air handling system of claim 9, including a third air handling mode, when the air handling system is set to the third air handling mode, the first diverter valve is in the first mode B, the second diverter valve is in the second mode a, the third circuit is open, and the radiant ductwork is disconnected;

the heat released by the second heat exchanger is discharged to the outside, and the first heat exchanger and the third heat exchanger absorb the heat to cool and dehumidify the fresh air entering the room.

13. The air handling system of claim 9, comprising a fourth air handling mode, wherein when the air handling system is in the fourth air handling mode, the first diverter valve is in the first mode B, the second diverter valve is in the second mode B, the third circuit is open, and the radiant pipe network is disconnected;

the heat released by the second heat exchanger is discharged to the outdoor, the first heat exchanger absorbs heat to cool and dehumidify fresh air entering the indoor, and the heat released by the third heat exchanger heats and warms up the cooled and dehumidified fresh air.

14. The air handling system of claim 9, comprising a fifth air handling mode, wherein when the air handling system is in the fifth air handling mode, the first diverter valve is in the first mode a, the second diverter valve is in the second mode B, the third circuit is open, and the radiant tube network is open;

the first heat exchanger releases heat to heat fresh air entering the room, and the third heat exchanger releases heat to heat the fresh air again; the radiation pipe network releases heat to heat the room; the second heat exchanger absorbs heat to cool the air exhausted outdoors.

15. The air handling system of claim 9, comprising a sixth air handling mode, when the air handling system is in the sixth air handling mode, the first reversing valve is in the first mode a, the second reversing valve is in the second mode a, the third circuit is open, and the radiant ductwork is open;

the first heat exchanger releases heat to heat fresh air entering the room, and the radiation pipe network releases heat to heat the room; and the second heat exchanger absorbs heat to cool the air exhausted outdoors.

Images