CN215832055U - Indoor air processing system - Google Patents

Indoor air processing system Download PDF

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Publication number
CN215832055U
CN215832055U CN202121307287.4U CN202121307287U CN215832055U CN 215832055 U CN215832055 U CN 215832055U CN 202121307287 U CN202121307287 U CN 202121307287U CN 215832055 U CN215832055 U CN 215832055U
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indoor
air
water
heat exchanger
module
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CN202121307287.4U
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杜永
王振
迟丽华
孟庆好
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Qingdao Hisense Hitachi Air Conditioning System Co Ltd
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Qingdao Hisense Hitachi Air Conditioning System Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/52Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency

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Abstract

The utility model discloses an indoor air processing system, which comprises an outdoor unit, an indoor unit, a floor heating device and a hot water tank, wherein the indoor unit provides fresh air for a room, refrigerates, dehumidifies or heats the fresh air and refrigerates, dehumidifies or heats circulating air; the outdoor unit is responsible for providing gaseous or liquid refrigerant, hot water and the like; the floor heating device is responsible for comfortable heating operation in winter, and the hot water tank is responsible for producing domestic hot water by the heat pump in winter and producing domestic hot water by heat recovery in summer.

Description

Indoor air processing system
Technical Field
The utility model relates to the technical field of air treatment of ultra-low energy consumption buildings (also called near-zero energy consumption buildings, passive rooms and the like), in particular to an indoor air treatment system.
Background
At present, most of fresh air fans do not have an air conditioning function, and in the existing integrated air treatment device integrating the fresh air function and the air conditioning function, the integrated air treatment device is usually a unit type one-by-one product, and when the building area is large or the occasions of multi-storey villas exist, the size of an internal machine is large, and cross-storey air supply is difficult.
The refrigeration, dehumidification and heating of the multi-connected all-in-one machine air conditioning system are all carried out by an indoor unit, the indoor unit mainly has the functions of refrigeration in summer and heating in winter, cold air sinks during the refrigeration, and the refrigerating capacity of the unit can ensure the effect; however, in the heating mode, the conventional indoor unit conveys hot air into the room through an air supply outlet arranged on the ceiling, and due to the characteristic that the hot air ascends, the temperature of heated air is uneven, the hot air is easily concentrated on a part close to the ceiling, the hot air is extremely difficult to be conveyed to a personnel activity area, so that the temperature of the room is reduced in a step manner from top to bottom, and a user feels that the head is hot and the feet are cold.
Meanwhile, the passive building unit area load is small, the passive building unit area load is designed for a typical large room and a typical small indoor unit, the air supply volume of the indoor unit of the all-in-one machine is small, the air supply speed is further reduced, heated hot air is more difficult to sink after the air supply speed is reduced, the temperature of a room personnel activity area is difficult to rise, and the problems of noise increase, air supply temperature reduction and the like are faced if the air supply volume is increased.
In addition, when refrigerating in summer, the building also has the demand of domestic hot water, and present passive room all-in-one can only provide refrigeration, heat, can't provide hot water, needs newly increase hot water system, and not only the system is with high costs more, and energy consumption is not energy-conserving twice moreover.
SUMMERY OF THE UTILITY MODEL
In some embodiments of the application, an indoor air processing system is provided for solving the problems that an indoor unit of a multi-connected all-in-one air conditioning system in the prior art is poor in heating effect and cannot provide domestic hot water.
In order to solve the technical problems, the utility model provides the following technical scheme for solving the problems:
the indoor air processing system further comprises a floor heating device and a hot water system, the indoor units are used for introducing indoor fresh air, refrigerating with circulating air, dehumidifying and the like, each indoor unit is responsible for an area or a floor of building, and the indoor units are connected to the outdoor units in a multi-connection mode and run in parallel.
When heating, the indoor unit only performs heating operation in an initial state, then the heating load is transferred to the floor heating device, the floor heating device operates with low noise, and the indoor unit only introduces and heats fresh air.
During refrigeration, heat of the indoor unit side is transferred to the hot water device through the outdoor unit, the heat is transferred to a water tank heat exchanger in the water tank, and primary energy consumption is achieved while refrigeration and domestic hot water preparation are achieved.
In an embodiment of the present application, the indoor air processing system specifically includes an outdoor unit and an indoor unit connected to the outdoor unit through a refrigerant pipeline.
The indoor units are provided with a plurality of indoor units, each indoor unit comprises indoor heat exchangers, each outdoor unit comprises an air module heat exchanger, a water heating module and a water module heat exchanger arranged inside the water heating module, the air module heat exchangers are communicated with refrigerant pipelines, each indoor heat exchanger is connected to the air module heat exchangers through the refrigerant pipelines in a one-to-one correspondence mode, the outdoor units further comprise water supply pipelines parallel to the refrigerant pipelines, the water supply pipelines are connected with the water heating modules, and the water module heat exchangers are communicated with the refrigerant pipelines.
Indoor air treatment system still includes floor heating device and hot water system, and floor heating device is provided with a plurality ofly, and each floor heating device all includes floor heating coil, and each floor heating coil is connected in the hot water heating module through supply channel one-to-one, and hot water system includes the water tank and sets up the water tank heat exchanger in the water tank inside, and water tank heat exchanger passes through the supply channel and connects in the hot water heating module.
In some embodiments of the present application, the indoor unit includes a casing, and the inside of the casing is divided into a fresh air duct, an exhaust air duct, and an indoor circulation air duct by a partition plate, wherein the fresh air duct is respectively communicated with the exhaust air duct and the indoor circulation air duct in a staggered manner.
The side wall of the shell is respectively provided with an outdoor air outlet, an outdoor fresh air inlet, an indoor air supply outlet, an indoor circulating air inlet and an indoor dirty air inlet, two ends of a fresh air duct are respectively communicated with the outdoor fresh air inlet and the indoor air supply outlet for introducing outdoor fresh air into an indoor space, two ends of an exhaust air duct are respectively communicated with the indoor dirty air inlet and the outdoor air outlet for discharging indoor dirty air into the outdoor space, and two ends of the indoor circulating air duct are respectively communicated with the indoor circulating air inlet and the indoor air supply outlet for forming complete indoor airflow circulation.
In some embodiments of the present application, the indoor unit further includes a total heat filter element disposed at an intersection of the fresh air duct and the exhaust air duct.
In some embodiments of the present application, a fresh air filter is disposed between the outdoor fresh air inlet and the total heat filter element, and a dirty air filter is disposed between the indoor dirty air inlet and the total heat filter element.
In some embodiments of the present application, the indoor heat exchanger includes a fresh air coil heat exchanger and a circulating coil heat exchanger, the fresh air coil heat exchanger is disposed in a fresh air duct between the total heat filter element and the indoor air supply outlet, and the circulating coil heat exchanger is disposed in a circulating air duct at a position opposite to the indoor circulating air inlet.
In some embodiments of the present application, the indoor unit further includes a fresh air blower, a circulating fan and an air exhaust blower, the fresh air blower is disposed in a fresh air duct between the fresh air coil heat exchanger and the indoor air supply outlet, the circulating fan is disposed in a circulating air duct between the circulating coil heat exchanger and the indoor air supply outlet, and the air exhaust blower is disposed in an air exhaust duct at a position opposite to the outdoor air outlet.
In some embodiments of the present application, the indoor unit further includes a circulating air filter and a main filter, the circulating air filter is disposed in the fresh air duct between the total heat filter element and the fresh air fan, the main filter is disposed at a position where the fresh air duct and the circulating air duct meet, and the main filter is disposed opposite to the indoor air supply opening.
Wherein, either the circulating air filter or the main filter can be selected to filter the circulating air or both the circulating air filter and the main filter can be provided to enhance the filtering effect on the air.
In some embodiments of the present application, the refrigerant pipeline includes a refrigerant gas pipe and a refrigerant liquid pipe, and the refrigerant gas pipe and the refrigerant liquid pipe are respectively communicated with two ends of the air module heat exchanger.
The water supply pipeline comprises a water supply pipe and a water return pipe, and the water supply pipe and the water return pipe are respectively communicated with a water inlet and a water outlet of the water heating module.
In some embodiments of the application, the outdoor unit further comprises a four-way valve, a compressor, an outer expansion valve and a water module expansion valve, the four-way valve is arranged on the refrigerant gas pipe, the compressor is communicated with the refrigerant pipeline through the four-way valve, the air module heat exchanger and the water module heat exchanger are connected to the compressor in parallel, the outer expansion valve is arranged at a position close to the air module heat exchanger on the refrigerant liquid pipe, and the water module expansion valve is arranged at a position close to the water module heat exchanger on the refrigerant liquid pipe.
In some embodiments of this application, indoor heat exchanger and air module heat exchanger communicate through the refrigerant pipeline in proper order, form first heat transfer circuit, and the indoor set is used for refrigeration or dehumidification.
In some embodiments of this application, when there is the hot water demand, indoor heat exchanger, air module heat exchanger and water module heat exchanger communicate through the refrigerant pipeline in proper order, form second heat transfer circuit, make hot water in the water heating module, hot water flows into the water tank heat exchanger through the supply line and is used for heating the water storage in the water tank, and the indoor set is used for refrigeration, dehumidification or shuts down.
In some embodiments of this application, when there is the hot water demand, water module heat exchanger and air module heat exchanger communicate through the refrigerant pipeline in proper order, form the third heat transfer circuit, make hot water in the water heating module, hot water flows into the water tank heat exchanger through the supply line and is used for heating the water storage in the water tank, and the indoor set is shut down.
In some embodiments of this application, water module heat exchanger, air module heat exchanger and indoor heat exchanger communicate through the refrigerant pipeline in proper order, form second heat transfer circuit, make hot water in water heating module, in hot water flowed into water tank heat exchanger and floor heating coil respectively through the supply channel for respectively to the water storage in the water tank with the indoor heating that floor heating coil corresponds, the indoor set is used for heating.
To the present problem, an indoor air treatment system is disclosed, which has the advantages that:
1. indoor circulating air and introduced fresh air are processed in a centralized mode by the same indoor unit, and the processed air is sent to a responsible area.
2. The outdoor unit adopts a multi-connection type, one outdoor unit simultaneously drives a plurality of indoor units, each indoor unit is responsible for one floor or one area, the waste of motor energy due to overhigh static pressure of the indoor units is avoided, the overlarge size of a single indoor unit is also avoided, and the cross-floor air supply of the indoor units of a multi-storey building (villa and the like) can be further avoided.
3. The indoor unit is responsible for refrigeration, dehumidification, fresh air introduction and fresh air heating during heating, and the floor heating device is responsible for room load during heating;
the cold air of the indoor unit sinks during refrigeration, the ground heating device provides bottom hot air during heating, the comfort and the energy conservation are improved, and the heating air supply amount is reduced, the noise is reduced.
4. Under the first state of heating, the indoor set is preferentially heated, switches gradually to ground heating installation after room temperature rises fast and heats, and the indoor set only heats the new trend, improves fast adaptability and travelling comfort simultaneously.
5. When the humidity is high in the transition season and the temperature is low, the indoor unit can dehumidify introduced fresh air and circulating air, and meanwhile, condensation heat is conveyed to the floor heating device through the outdoor unit and is released in a room, so that the room temperature is kept not to be reduced while dehumidification is achieved.
Drawings
FIG. 1 is a schematic view of an integrated connection of indoor air treatment system structures in accordance with some embodiments of the present invention;
FIG. 2 is a schematic view of an indoor air treatment system installation configuration in accordance with some embodiments of the utility model;
fig. 3 is a schematic view of the overall internal structure of the indoor unit according to some embodiments of the present invention;
fig. 4 is a schematic view illustrating an air path direction of an indoor unit according to some embodiments of the present invention;
fig. 5 is a schematic view illustrating an internal structure of an outdoor unit according to some embodiments of the present invention.
Reference numerals:
the method comprises the following steps: 100. an indoor unit; 101. a total heat filter element; 102. an outdoor fresh air inlet; 103. a fresh air filter; 104. a fresh air coil heat exchanger; 105. a fresh air fan; 106. a fresh air volume adjusting valve; 107. a main filter; 108. an indoor air supply outlet; 109. an indoor dirty air inlet; 110. a dirty air filter; 111. an exhaust fan; 112. an outdoor air outlet; 113. an indoor circulating air inlet; 114. a circulating air filter; 115. a circulating coil heat exchanger; 116. a circulating fan; 117. a circulating air volume regulating valve; 200. an outdoor unit; 201. a compressor; 202. a water module heat exchanger; 203. an air module heat exchanger; 204. a water module expansion valve; 205. an outer machine expansion valve; 206. a four-way valve; 300. a floor heating device; 301. a floor heating coil pipe; 400. a hot water device; 401. a water tank; 402. a water tank heat exchanger; 500. a refrigerant pipeline; 600. a water supply pipeline.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The indoor air processing system in the present application performs a cooling/heating cycle of an air conditioner, which includes a series of processes involving compression, condensation, expansion, and evaporation, by using a compressor, an outdoor heat exchanger, an expansion valve, and an indoor heat exchanger.
The compressor compresses a refrigerant gas in a high-temperature and high-pressure state and discharges the compressed refrigerant gas. The discharged refrigerant gas flows into the heat exchanger. The heat exchanger condenses the compressed refrigerant into a liquid phase and the heat is released to the surrounding environment through the condensation process.
The expansion valve expands the high-temperature and high-pressure liquid-phase refrigerant condensed in the heat exchanger into a low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator can achieve a refrigerating effect by heat exchange with a material to be cooled using latent heat of evaporation of a refrigerant. The indoor unit can adjust the temperature of the indoor space throughout the cycle.
The outdoor unit refers to a portion of a refrigeration cycle including a compressor and an outdoor heat exchanger, the indoor unit of the air conditioner includes an indoor heat exchanger, and an expansion valve may be provided in the indoor unit or the outdoor unit.
The indoor heat exchanger and the outdoor heat exchanger serve as a condenser or an evaporator. When the indoor heat exchanger is used as a condenser, the air conditioner is used as a heater in a heating mode, and when the indoor heat exchanger is used as an evaporator, the air conditioner is used as a cooler in a cooling mode.
According to some embodiments of the present application, an air conditioning system includes an indoor unit installed in an indoor space. The indoor unit is connected to an outdoor unit installed in an outdoor space through a refrigerant pipe. The outdoor unit may be provided with a compressor, an outdoor heat exchanger, an outdoor fan, an expander, and the like for a refrigeration cycle, and the indoor unit may be provided with an indoor heat exchanger and a fan assembly.
For example, the indoor unit may include an indoor unit installed on a ceiling of an indoor space.
As shown in fig. 1-2, an indoor air handling system includes an outdoor unit 200 and an indoor unit 100 connected to the outdoor unit 200 through a refrigerant pipe 500.
Among them, the indoor unit 100 is provided in plural.
The indoor units 100 are responsible for fresh air introduction, circulating air refrigeration, dehumidification and the like, and each indoor unit 100 is responsible for one area or one floor of building. The plurality of indoor units 100 are connected in parallel to the outdoor unit 200 to operate.
Each indoor unit 100 includes an indoor heat exchanger, and the outdoor unit 200 includes an air module heat exchanger 203, a water heating module, and a water module heat exchanger 202 disposed inside the water heating module.
The air module heat exchangers 203 are communicated with refrigerant pipelines 500, and the indoor heat exchangers are correspondingly connected to the air module heat exchangers 203 one by one through the refrigerant pipelines 500.
It should be noted that the air module heat exchanger 203 may be specifically configured as a finned heat exchanger.
The outdoor unit 200 further has a water supply pipeline 600 parallel to the refrigerant pipeline 500, the water supply pipeline 600 is connected to the water heating module, and the water module heat exchanger 202 is communicated to the refrigerant pipeline 500.
Indoor air treatment system still includes floor heating device 300 and hot water system 400, floor heating device 300 is provided with a plurality ofly, each floor heating device 300 all includes floor heating coil 301, each floor heating coil 301 is connected in the hot water heating module through in supply line 600 one-to-one, hot water system 400 includes water tank 401 and the water tank 401 heat exchanger of setting in water tank 401 inside, water tank 401 heat exchanger passes through supply line 600 and connects in the hot water heating module.
During heating, the indoor unit 100 is only in heating operation in an initial state, then the heating load is transferred to the floor heating device 300, the floor heating device operates with low noise, and the indoor unit 100 only introduces and heats fresh air.
When refrigerating in summer, the heat of the indoor unit 100 is transferred to the water heating module through the outdoor unit 200, the heat is transferred to the heat exchanger of the water tank 401, and the hot water device 400 is heated, so that primary energy consumption is realized, and meanwhile, refrigeration and domestic hot water preparation are realized.
According to the indoor unit 100 of some embodiments of the present application, as shown in fig. 3, the indoor unit 100 includes a rectangular parallelepiped casing, and the casing plays a role of overall support, and electric components, such as a heat exchanger, a fan assembly, and the like, inside the casing are used for installing inside parts of the indoor unit 100.
The specific structure of casing includes:
at least a partially open bottom panel, side panels for integral support protection, and a top panel defining a roof configuration, the top panel being fixedly connected to an indoor ceiling for suspended ceiling installation of the indoor unit 100, the bottom panel being partially openable for inspection and maintenance of internal components subsequent to installation and use of the indoor unit 100.
The interior of the shell is divided into a fresh air duct, an exhaust air duct and an indoor circulating air duct by a partition plate, wherein the fresh air duct is respectively communicated with the exhaust air duct and the indoor circulating air duct in a staggered manner.
The side wall of the shell is respectively provided with an outdoor air outlet 112, an outdoor fresh air inlet 102, an indoor air supply outlet 108, an indoor circulating air inlet 113 and an indoor dirty air inlet 109.
The two ends of the fresh air duct are respectively communicated with the outdoor fresh air inlet 102 and the indoor air outlet 108, and the fresh air duct is used for introducing outdoor fresh air into an indoor space;
both ends of the air exhaust duct are respectively communicated with an indoor dirty air inlet 109 and an outdoor air outlet 112 for exhausting indoor dirty air to an outdoor space.
Two ends of the indoor circulating air duct are respectively communicated with the indoor circulating air inlet 113 and the indoor air supply outlet 108 for forming complete indoor airflow circulation.
As shown in fig. 3, the indoor unit 100 further includes a total heat filter 101.
The total-heat filter element 101 is arranged at the intersection of the fresh air duct and the exhaust air duct.
A fresh air filter 103 is arranged between the outdoor fresh air inlet 102 and the total heat filter element 101, and a dirty air filter is arranged between the indoor dirty air inlet 109 and the total heat filter element 101.
The indoor unit 100 further includes an indoor heat exchanger including a fresh air coil heat exchanger 104 and a circulating coil heat exchanger 115.
A fresh air coil heat exchanger 104 is arranged in the fresh air duct between the total heat filter element 101 and the indoor air supply outlet 108, and a circulating coil heat exchanger 115 is arranged in the circulating air duct at the position opposite to the indoor circulating air inlet 113.
As shown in fig. 3, the indoor unit 100 further includes a fresh air blower 105, a circulation blower 116, and a discharge blower 111.
The fresh air fan 105 is arranged in a fresh air duct between the fresh air coil heat exchanger 104 and the indoor air supply opening 108, and a fresh air volume adjusting valve 106 is correspondingly arranged at the air outlet position of the fresh air fan 105.
The circulating fan 116 is arranged in the circulating air duct between the circulating coil heat exchanger 115 and the indoor air supply opening 108, and the air outlet position of the circulating fan 116 is correspondingly provided with a circulating air volume regulating valve 117.
The exhaust fan 111 is disposed in the exhaust duct at a position opposite to the outdoor exhaust port 112.
It should be noted that the indoor air conditioner comprises two heat exchange coils, namely a fresh air coil heat exchanger 104 and a circulating coil heat exchanger 115, wherein indoor circulating air exchanges heat through the circulating coil heat exchanger 115, and the indoor circulating fan 116 is used for independently supplying air.
The outdoor fresh air is introduced, energy exchange is carried out between the outdoor fresh air and indoor dirty air through the total heat filter element 101, heat exchange is carried out through the fresh air heat exchanger, and air is supplied through the indoor fresh air fan 105.
As shown in fig. 3, the indoor unit 100 further includes a circulation air filter 114 and a main filter 107.
The circulating air filter 114 is arranged in the fresh air duct between the total heat filter element 101 and the fresh air fan 105, the main filter 107 is arranged at the intersection of the fresh air duct and the circulating air duct, and the main filter 107 is arranged opposite to the indoor air supply outlet 108.
Wherein, the circulating air filter 114 and the main filter 107 can be selected from one of them, and the circulating air is filtered; or both of them, to enhance the filtering effect on air
Based on the structure of the indoor unit 100 in the above embodiment, as shown in fig. 3 to 4, the air flow path in the indoor unit 100 is shown by the arrows:
when only fresh air needs to be changed, the fresh air fan 105 is opened, the exhaust air fan 111 is opened, the fresh air volume adjusting valve 106 is opened, and the circulating air volume adjusting valve 117 is closed.
After being filtered by a fresh air filter 103, fresh air introduced outdoors is subjected to energy exchange with dirty air in a total heat filter element 101, and then sequentially passes through a fresh air coil heat exchanger 104, a fresh air fan 105 and an opened fresh air volume regulating valve 106, and because the circulating air volume regulating valve 117 is in a closed state, the fresh air can be sent indoors through a main filter 107 and an indoor air supply outlet 108; indoor dirty air is filtered by a dirty air filter, then is subjected to energy exchange with fresh air introduced outdoors in the total heat filter element 101, and is exhausted outdoors from an outdoor air outlet 112 through an exhaust fan 111.
It should be noted that, when the fresh air is changed, only the fresh air fan 105 and the exhaust air fan 111 are turned on, so that the power consumption is very low, and a better energy-saving effect is achieved.
When only refrigeration (or heating) is needed, the circulating fan 116 is started, the circulating coil heat exchanger 115 is started, the circulating air volume regulating valve is opened, and the fresh air volume regulating valve 106 is closed.
Indoor air passes through an indoor circulating air inlet 113, is filtered by a circulating air filter 114, then exchanges heat with a circulating coil heat exchanger 115 to become cold air or hot air, passes through a circulating fan 116 and an opened circulating air quantity regulating valve 117, and because the fresh air quantity regulating valve 106 is in a closed state, the circulating air can pass through a main filter 107 and an indoor air supply outlet 108 and is sent to the indoor to regulate the indoor air temperature.
When fresh air needs to be exchanged and refrigeration (or heating) needs to be carried out simultaneously, the fresh air fan 105 is started, the exhaust fan 111 is started, the circulating fan 116 is started, the fresh air coil heat exchanger 104 is started, the circulating coil heat exchanger 115 is started, the fresh air volume regulating valve 106 is opened, and the circulating air volume regulating valve 117 is opened.
The fresh air introduced outdoors is filtered by a fresh air filter 103, then exchanges energy with dirty air in a total heat filter element 101, is cooled (or heated) by a fresh air coil heat exchanger 104, is mixed with cooled (or heated) circulating air by a fresh air fan 105 and an opened fresh air volume adjusting valve 106, passes through a total filter 107, and finally is sent indoors from an indoor air supply outlet 108.
Indoor dirty air is filtered by the dirty air filter 110, then is exchanged with fresh air introduced from the outside in the total heat filter element 101, and is exhausted to the outside from the outdoor air outlet 112 through the exhaust fan 111.
Indoor air passes through an indoor circulating air inlet 113, is filtered by a circulating air filter 114, is cooled (or heated) by a circulating coil heat exchanger 115, passes through a circulating fan 116, is mixed with cooled (or heated) outdoor fresh air by an opened circulating air quantity adjusting valve 117, and the mixed air is sent to the indoor through a main filter 107 and an indoor air supply outlet 108, so that the effects of fresh air ventilation and air conditioning refrigeration (or heating) are achieved simultaneously.
According to some embodiments of the present disclosure, the refrigerant pipeline 500 includes a refrigerant gas pipe and a refrigerant liquid pipe, which are respectively connected to two ends of the air module heat exchanger 203.
The water supply pipeline 600 includes a water supply pipe and a water return pipe, which are respectively communicated with a water inlet and a water outlet of the water heating module.
According to the indoor air treatment system in some embodiments of the present application, as shown in fig. 5, the outdoor unit 200 further includes a four-way valve 206, a compressor 201, an outdoor unit expansion valve 205, and a water module expansion valve 204.
The four-way valve 206 is arranged on the refrigerant gas pipe, the compressor 201 is communicated with the refrigerant pipeline 500 through the four-way valve 206, the air module heat exchanger 203 and the water module heat exchanger 202 are connected to the compressor 201 in parallel, the outer machine expansion valve 205 is arranged at the position, close to the air module heat exchanger 203, of the refrigerant liquid pipe, and the water module expansion valve 204 is arranged at the position, close to the water module heat exchanger 202, of the refrigerant liquid pipe.
Based on the above-mentioned specific structure of the indoor air treatment system, the operation mode of the air treatment system of the present application is specifically described as follows.
(1) The indoor heat exchanger and the air module heat exchanger 203 are sequentially communicated through a refrigerant pipeline 500 to form a first heat exchange line.
The indoor unit 100 is used for cooling or dehumidifying.
It should be noted that, when the indoor unit 100 is in the cooling mode or the dehumidification mode, the indoor heat exchanger serves as an evaporator, the air module heat exchanger 203 serves as a condenser, and heat exchange circulation is performed through the first pipe heat pipe, so as to achieve indoor cooling.
(2) When hot water is needed, the indoor heat exchanger, the air module heat exchanger 203 and the water module heat exchanger 202 are sequentially communicated through the refrigerant pipeline 500 to form a second heat exchange circuit, and hot water is produced in the water heating module.
Hot water flows into the heat exchanger of the water tank 401 through the water supply line 600 to heat the stored water in the water tank 401.
The indoor unit 100 is used for cooling, dehumidifying, or stopping.
It should be noted that, when the indoor unit 100 is in the cooling mode or the dehumidification mode, the indoor heat exchanger serves as an evaporator, the air module heat exchanger 203 and the water module heat exchanger 202 serve as condensers, the water module heat exchanger 202 controls the stored water in the water heating module to heat and produce hot water, the hot water enters the hot water device 400 through the water supply pipeline 600, and the hot water serves as a refrigerant in the heat exchanger of the water tank 401 of the hot water device 400 to heat the stored water in the water tank 401.
In addition, it should be noted that, in the above operation modes, on one hand, the waste heat of the indoor refrigeration is used to heat the domestic water, and no additional energy needs to be added to heat the domestic water, so that energy is saved, and on the other hand, the refrigerant transports the heat absorbed from the indoor to the water tank 401 to heat the water in the water tank 401, so as to recover the indoor heat, and simultaneously, the requirement of the indoor refrigeration is met, and the efficiency of the air conditioner and water heating device 400 is greatly improved.
(3) When hot water is needed, the water module heat exchanger 202 and the air module heat exchanger 203 are sequentially communicated through the refrigerant pipeline 500 to form a third heat exchange circuit, hot water is produced in the water heating module, and the hot water flows into the heat exchanger of the water tank 401 through the water supply pipeline 600 to be used for heating water stored in the water tank 401.
The indoor unit 100 is stopped.
It should be noted that when only hot water is needed, the outdoor water module heat exchanger 202 and the air module heat exchanger 203 form outdoor refrigerant circulation, at this time, the water module heat exchanger 202 serves as a condenser, the air module heat exchanger 203 serves as an evaporator, the water heating module is only used for heating the internal hot water, the hot water enters the hot water device 400 through the water supply pipeline 600, and the hot water serves as a refrigerant in the heat exchanger of the water tank 401 of the hot water device 400 to heat the stored water in the water tank 401
(4) The water module heat exchanger 202, the air module heat exchanger 203 and the indoor heat exchanger are sequentially communicated through a refrigerant pipeline 500 to form a second heat exchange circuit, hot water is produced in the water heating module, and the hot water respectively flows into the water tank 401 heat exchanger and the floor heating coil 301 through a water supply pipeline 600 and is used for respectively heating water stored in the water tank 401 and the indoor space corresponding to the floor heating coil 301;
the indoor unit 100 is used for heating or dehumidifying.
It should be noted that, when there is a heating demand indoors, the water module heat exchanger 202, the air module heat exchanger 203 and the indoor heat exchanger are sequentially communicated through the refrigerant pipeline 500 to form a second heat exchange line, the indoor heat exchanger and the water module heat exchanger 202 are used as condensers, the air module heat exchanger 203 is used as an evaporator, the water module heat exchanger 202 controls stored water in the water heating module to heat and produce hot water, the hot water enters the hot water device 400 and the floor heating device 300 through the water supply pipeline 600, the hot water is used as a refrigerant in the water tank 401 heat exchanger of the hot water device 400 on the one hand and heats stored water in the water tank 401 on the other hand, and the hot water enters the floor heating device 300 and is used for heating indoors.
The floor heater is responsible for the load of the room during heating.
When heating, hot air is provided for floor heating at the bottom, the comfort and the energy-saving performance are improved, and the heating air supply quantity is reduced, the noise is reduced;
in addition, in the first heating state, the indoor unit 100 can preferentially heat, the room temperature is gradually switched to the floor heating to heat after being rapidly increased, and the indoor unit 100 only heats the fresh air, so that the quickness and the comfort are improved.
The basic concept of the application provides an indoor air processing system, an outdoor unit and a plurality of indoor units connected with the outdoor unit through refrigerant pipelines, the indoor air processing system further comprises a floor heating device and a hot water system, the indoor units are used for introducing indoor fresh air, refrigerating circulating air, dehumidifying and the like, each indoor unit is responsible for an area or a layer of building, and the indoor units are connected into the outdoor unit in a multi-connection mode and run in parallel.
When heating, the indoor unit only performs heating operation in an initial state, then the heating load is transferred to the floor heating device, the floor heating device operates with low noise, and the indoor unit only introduces and heats fresh air.
During refrigeration, heat of the indoor unit side is transferred to the hot water device through the outdoor unit, the heat is transferred to a water tank heat exchanger in the water tank, and primary energy consumption is achieved while refrigeration and domestic hot water preparation are achieved.
Those of ordinary skill in the art will understand that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (12)

1. An indoor air processing system comprises an outdoor unit and an indoor unit connected with the outdoor unit through a refrigerant pipeline;
the indoor unit comprises a plurality of indoor units, each indoor unit comprises an indoor heat exchanger, and the outdoor unit comprises an air module heat exchanger, a water heating module and a water module heat exchanger arranged in the water heating module;
the air module heat exchangers are communicated with refrigerant pipelines, and the indoor heat exchangers are respectively connected to the air module heat exchangers in a one-to-one correspondence mode through the refrigerant pipelines;
the outdoor unit is also provided with a water supply pipeline which is parallel to the refrigerant pipeline, the water supply pipeline is connected with the water heating module, and the water module heat exchanger is communicated with the refrigerant pipeline;
the indoor air treatment system further comprises a plurality of floor heating devices, each floor heating device comprises a floor heating coil, and each floor heating coil is connected to the water heating module in a one-to-one correspondence mode through the water supply pipeline;
the water heating device comprises a water tank and a water tank heat exchanger arranged in the water tank, and the water tank heat exchanger is connected to the water heating module through the water supply pipeline.
2. The indoor air treatment system according to claim 1, wherein the indoor unit includes:
the interior of the shell is divided into a fresh air duct, an exhaust air duct and an indoor circulating air duct by a partition plate;
the fresh air duct is respectively communicated with the exhaust air duct and the indoor circulating air duct in a staggered manner;
an outdoor air outlet, an outdoor fresh air inlet, an indoor air supply outlet, an indoor circulating air inlet and an indoor dirty air inlet are formed in the side wall of the shell respectively;
the two ends of the fresh air duct are respectively communicated with the outdoor fresh air inlet and the indoor air supply outlet and used for introducing outdoor fresh air into an indoor space;
the two ends of the air exhaust duct are respectively communicated with the indoor dirty air inlet and the outdoor air outlet and used for exhausting indoor dirty air to an outdoor space;
and two ends of the indoor circulating air duct are respectively communicated with the indoor circulating air inlet and the indoor air supply outlet and are used for forming complete indoor airflow circulation.
3. The indoor air treatment system of claim 2, wherein the indoor unit further comprises:
the total-heat filter element is arranged at the junction of the fresh air duct and the exhaust air duct;
the outdoor fresh air inlet with be provided with the fresh air filter between the total heat filter core, just indoor dirty wind inlet with be provided with the dirty wind filter between the total heat filter core.
4. The indoor air treatment system of claim 3, wherein the indoor heat exchanger comprises:
the fresh air coil heat exchanger is arranged in the fresh air duct between the total heat filter element and the indoor air supply outlet;
and the circulating coil heat exchanger is arranged in a circulating air duct at the position opposite to the indoor circulating air inlet.
5. The indoor air treatment system of claim 4, wherein the indoor unit further comprises:
the fresh air fan is arranged in the fresh air duct between the fresh air coil heat exchanger and the indoor air supply outlet, and a fresh air volume regulating valve is correspondingly arranged at the air outlet position of the fresh air fan;
the circulating fan is arranged in the circulating air duct between the circulating coil heat exchanger and the indoor air supply outlet, and a circulating air quantity regulating valve is correspondingly arranged at the air outlet position of the circulating fan;
and the air exhaust fan is arranged in the air exhaust duct at the position opposite to the outdoor air outlet.
6. The indoor air treatment system of claim 5, wherein the indoor unit further comprises:
the circulating air filter is arranged in the fresh air duct between the total heat filter element and the fresh air fan;
and the main filter is arranged at the intersection of the fresh air duct and the circulating air duct, and is opposite to the indoor air supply outlet.
7. The indoor air treatment system of claim 1, wherein the refrigerant pipeline comprises a refrigerant gas pipe and a refrigerant liquid pipe, and the refrigerant gas pipe and the refrigerant liquid pipe are respectively communicated with two ends of the air module heat exchanger;
the water supply pipeline comprises a water supply pipe and a water return pipe, and the water supply pipe and the water return pipe are respectively communicated with a water inlet and a water outlet of the water heating module.
8. The indoor air processing system of claim 7, wherein the outdoor unit further comprises:
the four-way valve is arranged on the refrigerant gas pipe;
the compressor is communicated with the refrigerant pipeline through the four-way valve, and the air module heat exchanger and the water module heat exchanger are connected to the compressor in parallel;
the external machine expansion valve is arranged at the position, close to the air module heat exchanger, of the refrigerant liquid pipe;
and the water module expansion valve is arranged at the position of the refrigerant liquid pipe close to the water module heat exchanger.
9. An indoor air treatment system according to any one of claims 1 to 8, wherein the indoor heat exchanger and the air module heat exchanger are sequentially communicated through the refrigerant pipeline to form a first heat exchange line;
the indoor unit is used for refrigeration or dehumidification.
10. An indoor air treatment system according to any one of claims 1 to 8, wherein when hot water is required, the indoor heat exchanger, the air module heat exchanger and the water module heat exchanger are communicated in sequence through the refrigerant pipeline to form a second heat exchange line, and hot water is produced in the water heating module;
the hot water flows into the water tank heat exchanger through the water supply pipeline and is used for heating the stored water in the water tank;
the indoor unit is used for refrigeration, dehumidification or shutdown.
11. An indoor air treatment system according to any one of claims 1 to 8, wherein when hot water is required, the water module heat exchanger and the air module heat exchanger are sequentially communicated through the refrigerant pipeline to form a third heat exchange line, hot water is produced in the water heating module, and the hot water flows into the water tank heat exchanger through the water supply pipeline to heat stored water in the water tank;
the indoor unit is shut down.
12. The indoor air treatment system according to any one of claims 1 to 8, wherein the water module heat exchanger, the air module heat exchanger and the indoor heat exchanger are sequentially communicated through the refrigerant pipeline to form a second heat exchange line, hot water is produced in the water heating module, and the hot water flows into the water tank heat exchanger and the floor heating coil through the water supply pipeline respectively and is used for respectively heating the stored water in the water tank and the indoor space corresponding to the floor heating coil;
the indoor unit is used for heating or dehumidifying.
CN202121307287.4U 2021-06-11 2021-06-11 Indoor air processing system Active CN215832055U (en)

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Application Number Priority Date Filing Date Title
CN202121307287.4U CN215832055U (en) 2021-06-11 2021-06-11 Indoor air processing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121307287.4U CN215832055U (en) 2021-06-11 2021-06-11 Indoor air processing system

Publications (1)

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CN215832055U true CN215832055U (en) 2022-02-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115751432A (en) * 2022-11-07 2023-03-07 沧州青尚环保科技有限公司 Indoor heating and ventilation processing system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115751432A (en) * 2022-11-07 2023-03-07 沧州青尚环保科技有限公司 Indoor heating and ventilation processing system

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