CN114857661A - Local air conditioning device applied to open environment - Google Patents

Local air conditioning device applied to open environment Download PDF

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Publication number
CN114857661A
CN114857661A CN202210431681.1A CN202210431681A CN114857661A CN 114857661 A CN114857661 A CN 114857661A CN 202210431681 A CN202210431681 A CN 202210431681A CN 114857661 A CN114857661 A CN 114857661A
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CN
China
Prior art keywords
air
heat exchange
shell
assembly
air supply
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Pending
Application number
CN202210431681.1A
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Chinese (zh)
Inventor
郝学军
汪鑫
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Beijing University of Civil Engineering and Architecture
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Beijing University of Civil Engineering and Architecture
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Application filed by Beijing University of Civil Engineering and Architecture filed Critical Beijing University of Civil Engineering and Architecture
Priority to CN202210431681.1A priority Critical patent/CN114857661A/en
Publication of CN114857661A publication Critical patent/CN114857661A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0003Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02Ducting arrangements
    • F24F13/06Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F24F13/072Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser of elongated shape, e.g. between ceiling panels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20Casings or covers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, 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
    • F24F8/108Treatment, 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20Casings or covers
    • F24F2013/205Mounting a ventilator fan therein

Abstract

The invention relates to the technical field of outdoor air conditioners, and provides a local air conditioner device applied to an open environment, which comprises: the air supply unit comprises a first shell, wherein a first heat exchange assembly and an air supply assembly are arranged in the first shell; the air exhaust unit is positioned on one side of the air supply unit and comprises a second shell, and a second heat exchange assembly and an air exhaust assembly are arranged in the second shell; the air supply system comprises a conveying pipeline, a first heat exchange assembly and a second heat exchange assembly, wherein the first heat exchange assembly and the second heat exchange assembly are arranged on the conveying pipeline in series, the first heat exchange assembly is suitable for evaporating a refrigerant, and the second heat exchange assembly is suitable for condensing the refrigerant so as to form a low-temperature area between the air supply assembly and the air exhaust assembly. The air at the ambient temperature is sucked into the first shell through the air supply assembly, the cold air is blown out after the temperature of the evaporation pipeline is reduced and acts in a low-temperature area, the two shells are connected through the conveying pipeline, the side air inlet temperature of the evaporation pipeline is higher, the side air inlet temperature of the condensation pipeline is lower, the evaporation temperature is improved and the condensation temperature is reduced compared with the prior art.

Description

Local air conditioning device applied to open environment
Technical Field
The invention relates to the technical field of outdoor air conditioners, in particular to a local air conditioner device applied to an open environment.
Background
For various outdoor important activities, it is necessary to ensure proper air temperature, and the outdoor air conditioner in the prior art generally has the problem of small refrigeration range, and cannot meet the refrigeration requirement of a specific open space.
Disclosure of Invention
Therefore, the technical problem to be solved by the present invention is to overcome the problem that the outdoor air conditioner in the prior art generally has a small refrigeration range, and cannot meet the refrigeration requirement of a specific open space, and if the indoor air conditioner is applied outdoors, the outdoor airflow can affect the airflow of the cold air when in use, so that the heat dissipation of the cold air is large, the energy efficiency is low, the air conditioner is easy to interfere, an effective airflow structure cannot be formed, and the defects that the improvement of the comfort level of a human body is not facilitated are overcome, so that the local air conditioner applied to the open environment is provided.
A local air conditioning unit for use in an open environment, comprising: the air supply unit comprises a first shell, and a first heat exchange assembly and an air supply assembly are arranged in the first shell; the air exhaust unit is positioned on one side of the air supply unit and comprises a second shell, and a second heat exchange assembly and an air exhaust assembly are arranged in the second shell;
conveying line, conveying line is the closed loop setting and is in first casing with between the second casing, its both ends are equallyd divide and are located first casing with in the second casing, first heat exchange assembly with second heat exchange assembly establishes ties and sets up conveying line is suitable for let in the refrigerant in the conveying line, first heat exchange assembly is suitable for evaporating the refrigerant, second heat exchange assembly is suitable for condensing the refrigerant, with form low temperature region between air supply assembly and the subassembly of airing exhaust.
Optionally, in the local air conditioning apparatus applied to an open environment, a first air inlet is disposed at one side of the first housing, and an air outlet is disposed at a side of the first housing opposite to the first air inlet;
a second air inlet is formed in one side, opposite to the air supply outlet, of the second shell, and an air outlet is formed in the second shell, opposite to the second air inlet;
the air supply assembly and the air exhaust assembly are suitable for forming an air duct between the air supply outlet and the second air inlet, and the low-temperature area is located on the path of the air duct.
Optionally, in the local air conditioning apparatus applied to an open environment, the first air inlet and/or the second air inlet are disposed in a mesh shape.
Alternatively, in the above local air conditioner for an open environment, the air supply assembly includes at least one air supply blower, all of the air supply blowers are transversely arranged in the first housing and located between the first air inlet and the air supply outlet, and each air supply blower is driven by a driving force to rotate.
Optionally, the local air conditioning device applied to an open environment further includes an air guide; at least one notch is formed in one side, close to the second shell, of the first shell, the air outlet face of each notch forms the air supply outlet, one air guide piece is arranged on at least one notch, and the air supply device is arranged on the outer side of the first shell relative to the air guide piece.
Optionally, in the above local air conditioning apparatus applied to an open environment, the air guide includes a mouth portion and an interference prevention portion, a cross section of the mouth portion is in an isosceles trapezoid shape, a long side of the mouth portion is in fit connection with the notch, and a cross section of the interference prevention portion is in a rectangular shape and is adapted to extend toward the low temperature region.
Optionally, in the above local air conditioning apparatus applied to an open environment, the air supply assembly further includes a first filter element, the first filter element is located between the first air inlet and the air supply blower, and a vertical section of the first filter element is adapted to shield an air inlet surface formed by the air supply outlet.
Optionally, in the above local air conditioning apparatus applied to an open environment, the exhaust assembly includes at least one exhaust fan, all the exhaust fans are vertically arranged in the second casing and located between the second air inlet and the air outlet, and each exhaust fan is driven by the driving force to rotate.
Optionally, in the above local air conditioning apparatus applied to an open environment, the air outlet is arranged in a mesh shape, and a cross section of the air outlet is V-shaped; and/or, the subassembly of airing exhaust still includes the second and strains the piece, its setting is in the second air intake with between the exhaust fan, just the second is strained the piece setting and is in on the second casing, it is suitable for sheltering from the air inlet face that the second air intake formed.
Alternatively, in the local air conditioner applied to an open environment, the portions of the conveying pipeline located in the first shell and the second shell are respectively arranged on two side walls of the first shell and the second shell in a bending and folding manner.
Optionally, in the local air conditioning apparatus applied to an open environment, the first heat exchange assembly includes an evaporation line, the second heat exchange assembly includes a condensation line and a compressor, the evaporation line and the condensation line are in series communication with the conveying line, and the refrigerant is adapted to flow through the evaporation line, the condensation line and the compressor to output cold air from the first casing and output hot air from the second casing.
Optionally, in the local air conditioning apparatus applied to an open environment, the evaporation pipeline and the condensation pipeline are both disposed on two side walls of the first casing and the second casing in a bending and folding manner.
Optionally, in the above local air conditioning apparatus applied to an open environment, the first heat exchange assembly further includes a throttle member, and the throttle member is located on the delivery pipe and is arranged in series with the evaporation pipe.
The technical scheme of the invention has the following advantages:
1. the invention provides a local air conditioner applied to open environment, comprising: the air supply unit comprises a first shell, and a first heat exchange assembly and an air supply assembly are arranged in the first shell; the air exhaust unit is positioned on one side of the air supply unit and comprises a second shell, and a second heat exchange assembly and an air exhaust assembly are arranged in the second shell;
conveying line, conveying line is the closed loop setting and is in first casing with between the second casing, its both ends are equallyd divide and are located first casing with in the second casing, first heat exchange assembly with second heat exchange assembly establishes ties and sets up conveying line is suitable for let in the refrigerant in the conveying line, first heat exchange assembly is suitable for evaporating the refrigerant, second heat exchange assembly is suitable for condensing the refrigerant, with form low temperature region between air supply assembly and the subassembly of airing exhaust.
In the local air conditioning equipment of this structure being applied to open environment, through setting up air supply unit and the unit of airing exhaust, and set up conveying line between air supply unit and the unit of airing exhaust, input refrigerant in conveying line, and through air supply subassembly and the subassembly homoenergetic of airing exhaust in with the air in the environment respectively in first casing and the second casing, the refrigerant absorbs the heat and the vaporization by the cooling air at first heat exchange assemblies, give the air in the second casing and condense heat transfer in the second heat exchange assemblies, thereby make the air can blow out cold air and act on in the low temperature region from first casing after passing first heat exchange assemblies cooling, thereby low temperature region has been formed.
Meanwhile, when the air exhaust component in the air exhaust unit absorbs air in a central area, the air temperature of the area is lower than the ambient temperature, hot air is blown out from the inside of the second shell to the outside after the temperature of the area is raised by the second heat exchange component, the two shells are connected by the conveying pipeline, the side air inlet temperature of the first heat exchange component is higher, the side air inlet temperature of the second heat exchange component is lower, the evaporation temperature is higher than that of the prior art, the condensation temperature is lower than that of the prior art, the temperature difference between the condensation temperature and the evaporation temperature is reduced, the energy efficiency ratio is improved, and when the air supply unit and the air exhaust unit are used, one air suction and one blowing mode can effectively form single-top uniform flow air flow organization, reduce the environmental interference and act in a low-temperature area, effectively improve the comfort level of a human body, can adjust the distance between the first shell and the second shell, and adjust the area of the low-temperature area between the air supply unit and the air exhaust unit in real time, and then be adapted to various big small-size outdoor environment, overcome the ubiquitous problem that the refrigeration scope is little of outdoor air conditioner among the prior art, can't satisfy the refrigeration needs of great open occasion, if use the air conditioner of indoor use outdoor, when using, outdoor air current can influence the air current of air conditioning, and then lead to the air conditioning heat to scatter and disappear great, the efficiency ratio is lower, and easily receives the interference, can not form effectual air current tissue, is unfavorable for improving the defect that improves human comfort level.
2. In the local air conditioner applied to the open environment, the air supply assembly also comprises an air guide component; at least one notch is formed in one side, close to the second shell, of the first shell, the air outlet face of each notch forms the air supply outlet, and one air guide piece is arranged on at least one notch.
In the local air conditioner applied to the open environment having such a structure, one air guide is provided at a position corresponding to the notch, so that a large amount of air flow can be effectively blown toward the low-temperature region by the air guide.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of the overall structure of a refrigeration apparatus provided in the present invention;
FIG. 2 is a schematic structural diagram of an air supply unit;
FIG. 3 is a schematic view of a first air inlet of the air supply unit;
FIG. 4 is a schematic view of the position structure of the guide and the blower at the blower outlet;
FIG. 5 is a schematic diagram of the position structure of the evaporation pipeline in the first shell;
FIG. 6 is a schematic diagram of the position structure of the blower in the first casing;
FIG. 7 is a schematic view of the position structure of the blower and the first air inlet;
FIG. 8 is a schematic view of the position structure of the blower, the mounting member and the first housing
FIG. 9 is a schematic cross-sectional view of an air supply unit;
FIG. 10 is a schematic view of the position structure of the air exhaust unit;
FIG. 11 is a schematic view of the compressor position within the second housing;
FIG. 12 is a schematic view of the position structure of the condensing pipe and the exhaust outlet;
FIG. 13 is a schematic view of the position structure of the exhaust fan and the condensing pipe;
fig. 14 is a schematic cross-sectional view of a venting unit.
Description of reference numerals:
1. an air supply unit;
11. a first housing; 12. a first air inlet; 13. an air supply outlet;
14. a blower; 15. an air guide member; 151. a closing-in part; 152. a disturbance-blocking section; 16. an evaporation pipeline; 17. a throttle member; 18. a mounting member;
2. an air exhaust unit;
21. a second housing; 22. a second air inlet; 23. an air outlet;
24. an exhaust fan; 25. a condensing pipeline; 26. a compressor;
3. a delivery line.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present embodiment, the air intake direction is relative to the low temperature region, and the direction refers to the direction of conveyance from the first casing to the second casing.
Examples
The embodiment describes a local air conditioner applied to open environment, referring to fig. 1-14, the refrigeration equipment comprises an air supply unit 1, an air exhaust unit 2 and a conveying pipeline 3, and the air exhaust unit 2 is positioned at one side of the air supply unit 1, wherein the air supply unit 1 comprises a first shell 11, a first heat exchange assembly and an air supply assembly, the first heat exchange assembly and the air supply assembly are arranged in the first shell 11, the air exhaust unit comprises a second shell 21, the first shell 11 and the second shell 21 are oppositely arranged, the second shell 21 is internally provided with a second heat exchange assembly and an air exhaust assembly, the conveying pipeline 3 is arranged between the first shell 11 and the second shell 21 in a closed loop, both ends of the conveying pipeline 3 are positioned in the first shell 11 and the second shell 21, and the first heat exchange assembly and the second heat exchange assembly are arranged on the conveying pipeline 3 in series, is adapted to accommodate a refrigerant in the conveying line 3 to form a low temperature zone between the air blowing assembly and the air exhausting assembly.
In this embodiment, by providing the air supply unit 1 and the air exhaust unit 2, and providing the conveying pipeline 3 between the air supply unit 1 and the air exhaust unit 2, a refrigerant is input into the conveying pipeline 3, air in the environment is respectively sucked into the first casing 11 and the second casing 21 through the air supply assembly and the air exhaust assembly, the refrigerant performs heat exchange with air entering the second casing 21 when passing through the second heat exchange assembly, so as to condense the refrigerant, the condensed refrigerant is conveyed into the first casing, the refrigerant absorbs heat of air in the first casing in the first heat exchange assembly and is vaporized, so as to cool the air sucked into the first casing 11, so that the air can blow out cold air from the first casing after passing through the first heat exchange assembly to be cooled, and the cold air acts in a low temperature region, thereby forming a low temperature region.
The air exhaust component in the air exhaust unit 2 absorbs the air in the central area, the air temperature in the area is lower than the ambient temperature, after the refrigerant is evaporated by the first heat exchange component, the evaporated refrigerant is conveyed to the second heat exchange component in the second shell 21 along the conveying pipeline 3, after the temperature is raised, the hot air is blown out from the second shell 21 to the outside, the two shells are connected by the conveying pipeline 3, the side inlet air temperature of the first heat exchange component is higher, the side inlet air temperature of the second heat exchange component is lower, so that the evaporation temperature is higher than the former, the condensation temperature is lower than the former, the temperature difference between the condensation temperature and the evaporation temperature is reduced, the energy efficiency ratio is improved in the first aspect, when the air supply unit 1 and the air exhaust unit 2 are used, an air flow organization can be effectively formed in a suction-blowing mode and acts on a low temperature area, the comfort degree of a human body is effectively improved, and the area size of the low temperature area between the air supply unit 1 and the air exhaust unit 2 can be adjusted, is suitable for various outdoor environments with large and small sizes.
And the air inlet temperature of the first heat exchange component side is higher, the air inlet temperature of the second heat exchange component side is lower, so that the evaporation temperature is improved compared with the prior art, the condensation temperature is reduced compared with the prior art, the temperature difference between the condensation temperature and the evaporation temperature is reduced, the energy efficiency ratio is improved, when the air supply unit and the air exhaust unit are used, a single-top uniform flow air flow structure can be effectively formed in a one-suction one-blowing mode, the interference of the environment is reduced, the air flow structure acts in a low-temperature region, the comfort level of a human body is effectively improved, the distance between the first shell and the second shell can be adjusted, the area of the low-temperature region between the air supply unit and the air exhaust unit is adjusted in real time, the air conditioner is further suitable for various large and small outdoor environments, the problem that the refrigeration range of an outdoor air conditioner in the prior art is small is solved, the refrigeration requirement of a large open occasion can not be met, if the air conditioner used indoors is applied outdoors, when the air conditioner is used, outdoor air flow can influence the air flow of cold air, so that the heat loss of the cold air is large, the energy efficiency is low, the air conditioner is easy to interfere, effective air flow organization cannot be formed, and the defect that the comfort degree of a human body is not improved is overcome.
In this embodiment, the first heat exchange assembly includes an evaporation line 16 and a throttling element 17, which are arranged in series, the second heat exchange assembly includes a condensation line 25 and a compressor 26, which are arranged in series, refrigerant is adapted to flow through the evaporation line 16, the condensation line 25 and the compressor 26, so as to output cold air from the first housing 11 and hot air from the second housing 21, and when expanded, the refrigerant is vaporized in the evaporation line 16 due to the heat absorbed by the air, so as to cool the air sucked into the first housing 11, the vaporized refrigerant is conveyed to the condensation line 25 along the conveying line 3, heat is transferred to the air in the condensation line 25 to be condensed, the condensed refrigerant enters the first housing 11 along the conveying line 3, the air sucked into the first housing 11 passes through the evaporation line 16, and during the passing process, the refrigerant in the evaporation line 16 is vaporized due to the heat absorbed by the air passing through the evaporation line 16, further, the air in the first casing 11 is cooled to be circulated repeatedly, and a low temperature region is formed between the air supply unit and the air discharge unit.
Specifically, a first air inlet 12 may be disposed at one side of the first housing 11, an air supply outlet 13 may be disposed at one side of the first housing 11 opposite to the first air inlet 12, a second air inlet 22 may be disposed at one side of the second housing 21 opposite to the air supply outlet 13, an air exhaust outlet 23 may be disposed at the second housing 21 opposite to the second air inlet 22, the air supply assembly and the air exhaust assembly are adapted to form an air duct between the air supply outlet 13 and the second air inlet 22, and the low temperature region is located on a path of the air duct.
An air duct for supplying air is formed between the two shells by an air supply component and an air exhaust component, the low-temperature area is positioned on the path of the air duct, the air supply component comprises at least one blower 14, all the blowers 14 are transversely arranged in the first shell 11 and positioned between the first air inlet 12 and the air supply outlet 13, and each blower 14 is driven by a driving force to rotate.
Specifically, the blower 14 may be a cross-flow fan, the first air inlet 12 is disposed in a mesh shape, one end of each cross-flow fan is connected to the driving motor, and the other end of each cross-flow fan is rotatably disposed on the first casing 11, and the cross-flow fan is driven by the driving motor to rotate so as to rotate the corresponding cross-flow fan, so that the air in the environment can be sucked into the first casing 11, the air is cooled by the first heat exchange assembly, and the cold air is blown out of the first casing 11 into the low temperature region.
The blower 14 in this embodiment is installed in the first housing through an installation component 18, the installation component 18 has an installation cavity with two open sides, the two openings are correspondingly opened on the first air inlet 12 side and the air supply outlet 13 side, and can be defined as a first opening and a second opening, an air guide slope plate is respectively arranged on the upper side and the lower side of the second opening, the air guide slope plate extends towards the air supply outlet 13 and is connected with the first housing 11, and the length of the air guide slope plate is consistent with the axial length of the installation component.
In order to blow more airflow organizations effectively towards the low-temperature area, the air guide device further comprises an air guide member 15, at least one notch is formed in one side, close to the second shell 21, of the first shell 11, one air outlet face of each notch forms one air supply opening 13, the air guide member 15 is arranged corresponding to at least one notch, the air guide member 15 is arranged on the outer side of the first shell 11 relative to the air blower 14, the air guide member 15 can effectively improve the direct blowing distance, and the interference of the external air on the airflow organizations is reduced.
Specifically, the air guide 15 includes a closing portion 151 and a blocking portion 152, wherein the cross section of the closing portion 151 is in an isosceles trapezoid shape, the long side of the closing portion is connected to the slot in an adaptive manner, and the cross section of the blocking portion 152 is in a rectangular shape and is adapted to extend to a low temperature region.
In this embodiment, the air supply assembly further includes a first filter element (not shown in the drawings), the first filter element is disposed in the first housing 11, and the first filter element is located between the first air inlet 12 and the blower 14, and the vertical cross section of the first filter element is suitable for shielding the air inlet surface formed by the first air inlet 12.
In this embodiment, the exhaust assembly includes at least one exhaust fan 24, all the exhaust fans 24 are vertically disposed in the second casing 21 and located between the second air inlet 22 and the exhaust outlet 23, and each exhaust fan 24 is driven by the driving force to rotate.
Specifically, the exhaust fan 24 may be configured as a cross-flow fan, one end of each cross-flow fan is connected to the driving motor, the other end is rotatably disposed on the second housing 21, the cross-flow fans are driven to rotate by the driving motor so as to rotate the corresponding cross-flow fans, cold air blown out of the first shell 11 can be sucked into the second shell 21, the air is evaporated by the condensation pipeline 25, to exchange heat with the refrigerant in the delivery line 3, so that the condensation line 25 is able to cool part of the temperature, converting it from gas to liquid, the refrigerant at the cooled partial temperature then circulates again along the delivery line 3 into the first housing 11, and circulates into the evaporation line 16, absorbs heat of the gas in the first housing 11 to be vaporized, the gas in the first casing 11 is thereby cooled, and the blower 14 blows out the cool air from the inside of the first casing 11 into the low-temperature region.
Of course, the exhaust fan 24 may be a common exhaust fan, which is located in the second housing 21; the matching use of the blower 14 and the exhaust fan 24 can ensure the stable delivery of the air flow in the low temperature area in the air duct, the stable air flow organization, and the improvement of the experience degree of use, and also can improve the range of the action area by changing the air speed of the blower 14 and the exhaust fan 24, is suitable for different specific outdoor environments,
in this embodiment, the air outlet 23 may be configured as a mesh, and the cross section of the air outlet 23 is V-shaped, so as to increase the air outlet area of the air outlet 23, thereby increasing the air volume exhausted from the second casing 21, especially more air in the low temperature region, and the second air inlet 22 may also be configured as a mesh.
In order to filter the dust in the air entering the second casing 21, a second filter 25 may be disposed between the second air inlet and the exhaust fan 24, the second filter 25 is disposed on the second casing 21 and adapted to block the air inlet surface formed by the second air inlet 22, and the reduction of the dust can also reduce the power consumption of the exhaust fan 24.
In this embodiment, in order to extend the path of the refrigerant transported in the first casing 11 and the second casing 21 and increase the time of heat exchange between the refrigerant and the gas, the evaporation pipeline 16 and the condensation pipeline 25 may be respectively bent and folded in the first casing 11 and the second casing 21, or may be wound in the cooling fin and further disposed in the first casing 11 and the second casing 21, specifically, the blower 14 is disposed on the side of the second air inlet 22, the condensation pipeline 25 is disposed between the blower 14 and the air outlet 23 and is installed near the air outlet 23, and the cross section thereof is also in a V shape; the evaporation pipe 16 is disposed between the first air inlet 12 and the blower 14, and is installed near the first air inlet 12.
In this embodiment, the compressor 26 of the second heat exchange assembly is adapted to be installed in the second housing 21 and is connected in series with the condensing pipeline 25, the throttling element 17 of the first heat exchange assembly is located on the conveying pipeline 3 in the first housing 11 and is connected in series with the evaporating pipeline 16, the throttling element 17 is arranged in the first housing 11, the throttling element 17 is a throttling valve, in practical use, the conveying pipeline 3 is two pipelines and respectively conveys vaporized refrigerant and liquefied refrigerant, and two ends of the two pipelines are connected in series with the evaporating pipeline 16 and the condensing pipeline 25 to form a loop, so that the length of the whole pipeline is long, and the throttling valve can prevent the refrigerant from absorbing heat of the pipeline to affect the refrigeration effect.
Specifically, the high-pressure air outlet of the compressor 26 is connected to the condensing pipeline 25 and then enters the evaporating pipeline 16, and the outlet of the evaporating pipeline 16 is connected to the low-pressure air inlet of the compressor 26 through the conveying pipeline 3 to form a closed-loop refrigeration system.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (12)

1. A local air conditioning unit for use in open environments, comprising:
the air supply unit (1) comprises a first shell (11), and a first heat exchange assembly and an air supply assembly are arranged in the first shell (11);
the air exhaust unit (2) is positioned on one side of the air supply unit (1) and comprises a second shell (21), and a second heat exchange assembly and an air exhaust assembly are arranged in the second shell (21);
conveying line (3), conveying line (3) are the closed loop setting and are in first casing (11) with between second casing (21), its both ends are equallyd divide and are located first casing (11) with in second casing (21), first heat exchange assembly with second heat exchange assembly all establishes ties and sets up conveying line (3) are last, be suitable for let in conveying line (3) the refrigerant, first heat exchange assembly is suitable for evaporating the refrigerant, second heat exchange assembly is suitable for condensing the refrigerant, with form the low temperature district between air supply assembly and the exhaust subassembly.
2. The local air conditioner for open environment as claimed in claim 1, wherein a first air inlet (12) is provided at one side of the first casing (11), and a blast opening (13) is provided at the opposite side of the first air inlet (12) on the first casing;
a second air inlet (22) is formed in one side, opposite to the air supply outlet (13), of the second shell (21), and an air outlet (23) is formed in the second shell (21) opposite to the second air inlet (22);
the air supply assembly and the air exhaust assembly are suitable for forming an air duct between the air supply outlet (13) and the second air inlet (22), and the low-temperature area is located on the path of the air duct.
3. The local air conditioning system for open environments of claim 2, wherein the first intake vent (12) and/or the second intake vent (22) are disposed in a net shape.
4. Local air conditioning apparatus for open environments according to claim 3, wherein said air supply assembly comprises at least one air supply blower (14), all said air supply blowers (14) being arranged transversely in said first casing (11) and between said first air inlet (12) and said air supply outlet (13), each said air supply blower (14) being driven in rotation by a driving force.
5. Local air conditioning unit for open environments, according to claim 4, characterized by further comprising a wind deflector (15);
at least one notch is formed in one side, close to the second shell (21), of the first shell (11), the air outlet face of each notch forms the air supply outlet (13), one air guide piece (15) is arranged on at least one notch, and the air supply device (14) is arranged on the outer side of the first shell (11) correspondingly.
6. The local air conditioner for open environment as claimed in claim 5, wherein said air guide member (15) comprises a closing portion (151) and a blocking portion (152), said closing portion (151) has a cross section of isosceles trapezoid shape, the long side of which is connected with said notch, and said blocking portion (152) has a cross section of rectangle shape, which is adapted to extend toward said low temperature zone.
7. Local air conditioning unit for open environments according to claim 6, characterized in that said air supply assembly also comprises a first filter element, located between said first air inlet (12) and said blower (14), whose vertical section is adapted to block the air intake surface formed by said first air inlet (12).
8. Local air conditioning unit for open environments according to any of claims 1-7, characterized in that said exhaust assembly comprises at least one exhaust fan (24), all of said exhaust fans (24) being vertically arranged in said second casing (21) and located between said second air intake opening (22) and said exhaust opening (23), each of said exhaust fans (24) being driven in rotation by a driving force.
9. Local air conditioning unit for open environments, according to claim 8, characterized in that said air outlet (23) is provided in the form of a net, with a V-shaped cross section; and/or, the exhaust assembly also comprises a second filter element which is arranged between the second air inlet (22) and the exhaust fan (24), and the second filter element is arranged on the second shell (21) and is suitable for shielding the air inlet surface formed by the second air inlet (22).
10. Local air conditioning unit for application in open environments according to any of claims 1 to 9, characterized in that said first heat exchange assembly comprises an evaporation line (16) and said second heat exchange assembly comprises a condensation line (25) and a compressor (26), said evaporation line (16) and said condensation line (25) being in series communication with said delivery line (3), said refrigerant being adapted to flow through said evaporation line (16), said condensation line (25) and said compressor (26) to deliver cold air from said first housing (11) and hot air from said second housing (21).
11. The local air conditioning apparatus for open environments of claim 10, wherein the evaporation duct (16) and the condensation duct (25) are both bent and folded on both side walls of the first casing (11) and the second casing (21).
12. Local air conditioning unit for open environments according to claim 11, characterized in that said first heat exchange assembly also comprises a throttling (17), said throttling (17) being located on said delivery line (3) in series with said evaporation line (16).
CN202210431681.1A 2022-04-22 2022-04-22 Local air conditioning device applied to open environment Pending CN114857661A (en)

Priority Applications (1)

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CN114857661A true CN114857661A (en) 2022-08-05

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CN113566330A (en) * 2021-07-28 2021-10-29 珠海格力电器股份有限公司 Portable outdoor air conditioner and control method thereof
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