CN110822567A - Integrated multi-connected high-temperature air conditioning unit with fresh air - Google Patents
Integrated multi-connected high-temperature air conditioning unit with fresh air Download PDFInfo
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- CN110822567A CN110822567A CN201810906486.3A CN201810906486A CN110822567A CN 110822567 A CN110822567 A CN 110822567A CN 201810906486 A CN201810906486 A CN 201810906486A CN 110822567 A CN110822567 A CN 110822567A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/06—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
- F24F3/065—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units with a plurality of evaporators or condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
Abstract
The invention discloses an integrated multi-connected high-temperature air conditioning unit with fresh air, which consists of a refrigerating system, an outdoor unit, one or more indoor units and an outdoor fresh air processor, wherein the outdoor unit comprises a compressor, a; the shell of the outdoor unit, the shell of the indoor unit and the shell of the outdoor fresh air processor are all provided with an air pipe interface and a liquid pipe interface, and the air pipe interfaces of the outdoor unit, the outdoor fresh air processor and the indoor units are communicated; the outdoor unit, the outdoor fresh air processor and the liquid pipe interfaces of the indoor units are communicated. The invention can process return air and fresh air simultaneously, does not need additional fresh air unit cooperation, and reserves the advantages of flexible installation and small occupied area of the multi-connected air conditioning unit.
Description
Technical Field
The invention relates to a multi-connected high-temperature air conditioning unit, in particular to an integrated multi-connected high-temperature air conditioning unit with fresh air.
Background
A Variable-frequency multiple-connected air conditioning system (VRV, multiple on-line for short) generally comprises an external unit and multiple internal units, and has the advantages of simple system, flexible control, convenient installation and maintenance, and strong reliability, and is one of the most popular forms of air conditioning systems at present.
With the development of society, the requirements of people on air quality are continuously improved, and fresh air is also concerned widely. Because the heat and humidity load of fresh air is very large, the traditional multi-connected air conditioning unit is difficult to simultaneously undertake the functions of return air treatment and fresh air treatment, an additional fresh air dehumidifying unit needs to be configured, the cost is high, and the occupied space is large. In the published documents, there are also technical solutions for performing heat and humidity treatment on fresh air by directly using multi-split air conditioner. CN 203907862U discloses a technical scheme that a multi-split air conditioner is used as a fresh air dehumidification system and then supplies air to each air supply terminal, and a set of independent multi-split air conditioner is used as fresh air processing equipment to meet fresh air load. However, in the technical scheme, the return air is excessively treated by the low-temperature cold source, and the air supply comfort level is insufficient. CN 103953976A has used an interior machine and a cold water coil pipe of many online as new trend dehumidifier jointly, utilizes the low temperature cold source in the cold water coil pipe to reduce the cold load that many online machines of many online undertake. However, the technical scheme needs to additionally arrange a cold water coil, namely an additional air conditioning unit is needed to provide a low-temperature cold source, so that the occupied area is large, and the installation cost is increased.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an integrated multi-connected high-temperature air conditioning unit with fresh air.
In order to solve the problems, the invention adopts the following technical scheme:
an integrated multi-connected high-temperature air conditioning unit with fresh air comprises a refrigeration system, an outdoor unit, one or more indoor units and an outdoor fresh air processor; the shell of the outdoor unit, the shell of the indoor unit and the shell of the outdoor fresh air processor are all provided with an air pipe interface and a liquid pipe interface, and the air pipe interfaces of the outdoor unit, the outdoor fresh air processor and the indoor units are communicated; the outdoor unit, the outdoor fresh air processor and the liquid pipe interfaces of the indoor units are communicated.
In a further technical scheme, the outdoor unit comprises a multi-split compressor, a fresh air compressor, an outdoor unit heat exchanger, an outdoor fan, an outdoor unit liquid pipe interface, an outdoor unit multi-split air pipe interface and an outdoor unit fresh air pipe interface which are positioned in an outer casing; the multi-split compressor and the fresh air compressor are positioned on one side in the outer shell, the outer machine heat exchanger is positioned on the other side in the outer shell, and the outdoor fan is arranged above the outer machine heat exchanger; the outdoor unit comprises an outdoor unit and a multi-split compressor, wherein the outdoor unit comprises an outdoor unit liquid pipe interface, a multi-split compressor, a fresh air compressor and an outdoor unit heat exchanger, the outdoor unit liquid pipe interface is communicated with the outdoor unit liquid pipe interface, the multi-split compressor is communicated with one end of the fresh air compressor through a refrigerant pipeline and is communicated with the outdoor unit heat exchanger together, the other end of the multi-split compressor is communicated with the multi-split air pipe interface through the refrigerant pipeline.
Further, in the technical scheme, the external machine heat exchanger is an air-refrigerant heat exchanger.
In a further technical scheme, the outer machine heat exchanger is a refrigerant-water heat exchanger, a water inlet interface and a water outlet interface are arranged on the outer machine shell, and an external water source is connected into the outer machine heat exchanger through the water inlet interface and the water outlet interface.
According to the technical scheme, the inner machine comprises an inner machine shell, an inner machine air pipe interface, an inner machine electronic expansion valve, an inner machine heat exchanger, an inner machine liquid pipe interface, an inner machine fan, an inner machine air return port and an inner machine air outlet, wherein the inner machine air return port and the inner machine air outlet are respectively arranged at two opposite ends of the inner machine shell, the inner machine fan is arranged close to the inner machine air return port, the inner machine heat exchanger is arranged close to the inner machine air outlet, and the inner machine liquid pipe interface, the inner machine electronic expansion valve, the inner machine heat exchanger and the inner machine air pipe interface are sequentially communicated through a refrigerant pipeline to form a.
According to the further technical scheme, the outdoor fresh air processor comprises a fresh air processing shell, a fresh air inlet, a fresh air supply outlet, a fresh air fan, a fresh air preprocessing device and a fresh air depth processing device, wherein the fresh air inlet and the fresh air supply outlet are respectively arranged at two ends of the fresh air processing shell, the fresh air fan is arranged close to the fresh air inlet, the fresh air depth processing device is arranged close to the fresh air supply outlet, and the fresh air preprocessing device is arranged between the fresh air fan and the fresh air depth processing device;
fresh air preprocessing device primary structure includes: the system comprises a pretreatment liquid pipe interface, a pretreatment electronic expansion valve, a pretreatment heat exchanger and a pretreatment air pipe interface which are sequentially connected through a refrigerant pipeline to form a fresh air pretreatment refrigerant flow path;
the new trend deep processing apparatus primary structure includes: the fresh air pipe interface, the fresh air electronic expansion valve, the fresh air heat exchanger, the fresh air pipe interface communicate in proper order through the refrigerant pipeline and constitute the refrigerant flow path of fresh air advanced treatment.
According to the further technical scheme, a fresh air filter is arranged at the front end of the pretreatment heat exchanger.
According to the technical scheme, a reheating heat exchanger and a humidifier are arranged at the rear end of the fresh air heat exchanger, the reheating heat exchanger is communicated with a reheating quantity regulating valve through a refrigerant pipeline, and the reheating heat exchanger is communicated with an air pipe connector and a liquid pipe connector on an external machine through refrigerant pipelines respectively.
The invention only adopts one set of refrigerating system, increases the function of processing fresh air under the advantages of convenient installation of multi-split air conditioner and flexible control, and can further carry out heat and humidity treatment on the fresh air so as to meet the air supply requirement of the fresh air.
Compared with the prior art, the invention has the following advantages:
1. the indoor return air treatment and the outdoor fresh air treatment share one set of refrigeration system, so that the installation is convenient, the operation reliability is high, and the maintenance is convenient.
2. Utilize two compressors to establish different evaporating temperature, handle the new trend earlier the precooling then degree of depth dehumidification in summer, improved the heat transfer homogeneity between new trend and the refrigerant, effectively reduced the irreversible loss of heat transfer, effectively reduce the new trend and handle the energy consumption, promote the unit performance.
3. The invention has flexible configuration and is suitable for multi-connected air conditioning units of different types and cooling capacity.
Drawings
The invention is described in further detail below with reference to specific embodiments and with reference to the following drawings.
FIG. 1 is a schematic flow chart of example 1;
FIG. 2 is a schematic flow chart of example 2;
FIG. 3 is a schematic flow chart of example 3.
In the figures, the specific reference numerals are as follows: 1 is a multi-split external machine, 2 is a multi-split internal machine, 3 is an outdoor fresh air processor, 11 is a multi-split compressor, 12 is a fresh air compressor, 13 and 20 are external machine heat exchangers, 14 is an outdoor fan, 15 is an external machine liquid pipe interface, 16 is an external machine multi-split air pipe interface, 17 is an external machine fresh air pipe interface, 18 is an external machine water inlet interface, 19 is an external machine water outlet interface, 21 is an internal machine heat exchanger, 22 is an internal machine fan, 23 is an internal machine electronic expansion valve, 24 is an internal machine air pipe interface, 25 is an internal machine liquid pipe interface, 26 is an internal machine air return port, 27 is an internal machine air outlet, 31 is a fresh air fan, 32 is a fresh air filter, 33 is a pretreatment heat exchanger, 34 is a pretreatment electronic expansion valve, 35 is a pretreatment air pipe interface, 36 is a pretreatment liquid pipe interface, 37 is a heat exchanger, 38 is a fresh air electronic expansion valve, 39 is a fresh, 41 is a fresh air inlet, 42 is a fresh air supply outlet, 43 is a reheating heat exchanger, 44 is a humidifier, 45 is a reheating quantity regulating valve, and the rest is a refrigerant pipeline.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
Example 1
An integrated multi-connected high-temperature air conditioning unit with fresh air comprises three parts, namely a multi-connected outdoor unit 1, a multi-connected indoor unit 2 and an outdoor fresh air processor 3; air pipe interfaces and liquid pipe interfaces are arranged on the casings of the multi-split air conditioner external unit 1, the multi-split air conditioner internal unit 2 and the outdoor fresh air processor 3, and the air pipe interfaces of the multi-split air conditioner external unit 1, the outdoor fresh air processor 3 and the multi-split air conditioner internal units 2 are communicated with each other through refrigerant pipelines; the liquid pipe interfaces of the multi-split air conditioner external unit 1, the outdoor fresh air processor 3 and the multi-split air conditioner internal units 2 are communicated with each other through refrigerant pipelines.
The main structure of the multi-split outdoor unit 1 comprises a multi-split compressor 11, a fresh air compressor 12, an outdoor unit heat exchanger 13, an outdoor fan 14, an outdoor unit liquid pipe interface 15, an outdoor unit multi-split air pipe interface 16 and an outdoor unit fresh air pipe interface 17 which are arranged in an outer casing. The outdoor unit heat exchanger 13 is an air-refrigerant heat exchanger, and has an air passage and a refrigerant passage that are not communicated with each other. An exhaust port and an air suction port are arranged on the multi-connected compressor and the fresh air compressor, a refrigerant channel of the outer machine heat exchanger 13 is connected with an outer machine liquid pipe connector 15, an exhaust port of the multi-connected compressor 11 and an exhaust port of the fresh air compressor 12 through refrigerant pipelines. The air passage of the outer machine heat exchanger 13 communicates with the outer environment and the indoor fan 14. An air suction port of the multi-connected compressor 11 is connected with an outdoor unit multi-connected air pipe interface 16 through a refrigerant channel, and an air suction port of the fresh air compressor 12 is connected with an outdoor unit fresh air pipe 17 through a refrigerant channel.
The main structure of the multi-split air conditioner indoor unit 2 responsible for processing indoor return air comprises an indoor unit heat exchanger 21, an indoor unit fan 22, an indoor unit electronic expansion valve 23, an indoor unit air pipe interface 24, an indoor unit liquid pipe interface 25, an indoor unit return air inlet 26 and an indoor unit air outlet 27. The indoor unit heat exchanger 21 is an air-refrigerant heat exchanger, and has an air passage and a refrigerant passage that are not communicated with each other. The inner liquid pipe interface 25, the inner electronic expansion valve 23, the refrigerant channel of the inner heat exchanger 21 and the inner gas pipe interface 24 are sequentially communicated through refrigerant pipes to form a refrigerant flow path of the multi-split air-conditioning indoor unit 2. The indoor unit air return opening 26, the indoor unit fan 22, the air channel of the indoor unit heat exchanger 21 and the indoor unit air outlet 27 are communicated in sequence to form the air channel of the multi-split indoor unit 2.
The outdoor fresh air processor 3 comprises a fresh air processing shell, a fresh air inlet 41, a fresh air supply outlet 42, a fresh air fan 31, a fresh air preprocessing device and a fresh air depth processing device, wherein the fresh air inlet 41 and the fresh air supply outlet 42 are respectively arranged at two ends of the fresh air processing shell, the fresh air fan 31 is arranged close to the fresh air inlet 41, the fresh air depth processing device is arranged close to the fresh air supply outlet 42, and the fresh air preprocessing device is arranged between the fresh air fan 31 and the fresh air depth processing device;
fresh air preprocessing device primary structure includes: the pretreatment liquid pipe interface 36, the pretreatment electronic expansion valve 34, the pretreatment heat exchanger 33 and the pretreatment air pipe interface 35 are connected in sequence through refrigerant pipelines to form a fresh air pretreatment refrigerant flow path, the pretreatment heat exchanger is a refrigerant-air heat exchanger, and the front end of the pretreatment heat exchanger is provided with a fresh air filter 32.
The new trend deep processing apparatus primary structure includes: the fresh air pipe interface 40, the fresh air electronic expansion valve 38, the fresh air heat exchanger 37 and the fresh air pipe interface 39 are sequentially communicated through a refrigerant pipeline to form a refrigerant flow path for fresh air advanced treatment, and the fresh air heat exchanger 37 is a refrigerant-air heat exchanger.
Example 2
Compared with the embodiment 1, the air outlet temperature and humidity of the fresh air can be accurately controlled, and therefore the reheating heat exchanger 43 and the humidifier 44 are added at the rear end of the air channel of the fresh air heat exchanger 37, and the reheating quantity adjusting valve 45 is added in the multi-split refrigeration cycle. The air conditioning unit can utilize the exhaust reheating low-temperature air of the multi-split compressor 11 and the fresh air compressor 12 through the reheating heat exchanger 43 in a refrigeration mode, and the outlet air temperature is adjusted through the reheating adjusting valve 43, so that the temperature of an air outlet is prevented from being too low. And the humidity of the outlet air can be accurately controlled through the humidifier 44.
Example 3
Compared with the embodiment 2, the embodiment is a water-cooling multi-connected air conditioning unit, and heat is dissipated through cooling water in a refrigeration mode. Therefore, the outdoor heat exchanger 20 in the multi-split external machine 1 of the present embodiment is a refrigerant-water heat exchanger. The casing of the outdoor unit 1 is provided with a water inlet port 18 and a water outlet port 19, and an external water source is connected to the outdoor unit 1 through the two ports.
The refrigerant-air heat exchangers referred to in the above embodiments are of the common type, finned tube heat exchangers, microchannel heat exchangers, and the like. The refrigerant-water heat exchangers referred to in the above embodiments are plate heat exchangers, double-pipe heat exchangers, shell-and-tube heat exchangers, and the like.
It should be noted that the number of the multiple-on-line parallel connection internal machines is not limited, and the number of the multiple-on-line internal machines is increased or decreased, or a plurality of fresh air channels and exhaust air channels are arranged in the same system, and the number of the fresh air internal machines and the exhaust air heat recovery cycle which are the same as the number of the fresh air channels are arranged, which should not be regarded as substantial improvement on the present invention, and which should belong to the protection scope of the present invention.
In the above embodiments, all components of the refrigerant cycle are not completely shown, in the implementation process, the refrigerant circuit is provided with common refrigeration accessories such as a liquid reservoir, a gas-liquid separator, an oil separator, a filter, a dryer, an electromagnetic valve, and the like, the air duct is provided with common air duct accessories such as a degerming device, an auxiliary electric heater, an air valve, and the like, or the change of the relative position of the fan in the air duct cannot be regarded as a substantial improvement of the present invention, and the present invention shall fall within the protection scope of the present invention.
As used herein, the terms "pre-treatment," "fresh air," "deep dehumidification," "reheat," and the like are used to define components, and those skilled in the art will recognize that: the words "pretreatment", "fresh air", "deep dehumidification", "reheat", etc. are used only to distinguish the components for ease of description. Unless otherwise stated, the above words have no special meaning.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art can modify the embodiments of the present invention or substitute part of the technical features, but the present invention is not limited thereto.
Claims (7)
1. An integrated multi-connected high-temperature air conditioning unit with fresh air is characterized in that the whole unit consists of a refrigerating system and comprises an outdoor unit, one or more indoor units and an outdoor fresh air processor; the shell of the outdoor unit, the shell of the indoor unit and the shell of the outdoor fresh air processor are all provided with an air pipe interface and a liquid pipe interface, and the air pipe interfaces of the outdoor unit, the outdoor fresh air processor and the indoor units are communicated; the outdoor unit, the outdoor fresh air processor and the liquid pipe interfaces of the indoor units are communicated.
2. The integrated multi-connected high-temperature air conditioning unit as claimed in claim 1, wherein the outdoor unit comprises a multi-connected compressor, a fresh air compressor, an outdoor unit heat exchanger, an outdoor fan and an outdoor unit liquid pipe interface, an outdoor unit multi-connected air pipe interface and an outdoor unit fresh air pipe interface which are arranged in the outer casing; the multi-split compressor and the fresh air compressor are positioned on one side in the outer shell, the outer machine heat exchanger is positioned on the other side in the outer shell, and the outdoor fan is arranged above the outer machine heat exchanger; the outdoor unit comprises an outdoor unit and a multi-split compressor, wherein the outdoor unit comprises an outdoor unit liquid pipe interface, a multi-split compressor, a fresh air compressor and an outdoor unit heat exchanger, the outdoor unit liquid pipe interface is communicated with the outdoor unit liquid pipe interface, the multi-split compressor is communicated with one end of the fresh air compressor through a refrigerant pipeline and is communicated with the outdoor unit heat exchanger together, the other end of the multi-split compressor is communicated with the multi-split air pipe interface through the refrigerant pipeline.
3. The integrated multi-connected high-temperature air conditioning unit with fresh air as claimed in claim 2, wherein the external unit heat exchanger is an air-refrigerant heat exchanger.
4. The integrated multi-connected high-temperature air conditioning unit with fresh air as claimed in claim 2, wherein the external machine heat exchanger is a refrigerant-water heat exchanger, a water inlet port and a water outlet port are arranged on the external machine shell, and an external water source is connected to the external machine heat exchanger through the water inlet port and the water outlet port.
5. The integrated multi-connected high-temperature air conditioning unit with fresh air according to any one of claims 1 to 4, wherein the inner unit comprises an inner casing, an inner unit air pipe interface, an inner unit electronic expansion valve, an inner unit heat exchanger, an inner unit liquid pipe interface, an inner unit fan, an inner unit air return port and an inner unit air outlet, the inner unit air return port and the inner unit air outlet are respectively arranged at two opposite ends of the inner casing, the inner unit fan is arranged close to the inner unit air return port, the inner unit heat exchanger is arranged close to the inner unit air outlet, and the inner unit liquid pipe interface, the inner unit electronic expansion valve, the inner unit heat exchanger and the inner unit air pipe interface are sequentially communicated through a refrigerant pipeline to form a refrigerant.
6. The integrated multi-connected high-temperature air conditioning unit with fresh air as claimed in claim 5, wherein the outdoor fresh air processor comprises a fresh air processing casing, a fresh air port, a fresh air supply port, a fresh air fan, a fresh air preprocessing device and a fresh air depth processing device, the fresh air port and the fresh air supply port are respectively arranged at two ends of the fresh air processing casing, the fresh air fan is arranged close to the fresh air port, the fresh air depth processing device is arranged close to the fresh air supply port, and the fresh air preprocessing device is arranged between the fresh air fan and the fresh air depth processing device;
fresh air preprocessing device primary structure includes: the system comprises a pretreatment liquid pipe interface, a pretreatment electronic expansion valve, a pretreatment heat exchanger and a pretreatment air pipe interface which are sequentially connected through a refrigerant pipeline to form a fresh air pretreatment refrigerant flow path;
the new trend deep processing apparatus primary structure includes: the fresh air pipe interface, the fresh air electronic expansion valve, the fresh air heat exchanger, the fresh air pipe interface communicate in proper order through the refrigerant pipeline and constitute the refrigerant flow path of fresh air advanced treatment.
7. The integrated multi-connected high-temperature air conditioning unit with fresh air as claimed in claim 6, wherein a fresh air filter is arranged at the front end of the pretreatment heat exchanger.
The integrated multi-connected high-temperature air conditioning unit with fresh air as claimed in claim 6, wherein a reheating heat exchanger and a humidifier are arranged at the rear end of the fresh air heat exchanger, the reheating heat exchanger is communicated with the reheating quantity regulating valve through a refrigerant pipeline, and the reheating heat exchanger is respectively communicated with an air pipe connector and a liquid pipe connector on an external unit through refrigerant pipelines.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810906486.3A CN110822567A (en) | 2018-08-10 | 2018-08-10 | Integrated multi-connected high-temperature air conditioning unit with fresh air |
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| CN201810906486.3A CN110822567A (en) | 2018-08-10 | 2018-08-10 | Integrated multi-connected high-temperature air conditioning unit with fresh air |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278975A (en) * | 2021-12-27 | 2022-04-05 | 青岛海信日立空调系统有限公司 | Water multi-connected system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278975A (en) * | 2021-12-27 | 2022-04-05 | 青岛海信日立空调系统有限公司 | Water multi-connected system |
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