CN113883613A - 一种单管制高效制冷、除湿、制热的空气调节转换系统 - Google Patents

一种单管制高效制冷、除湿、制热的空气调节转换系统 Download PDF

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CN113883613A
CN113883613A CN202111127079.0A CN202111127079A CN113883613A CN 113883613 A CN113883613 A CN 113883613A CN 202111127079 A CN202111127079 A CN 202111127079A CN 113883613 A CN113883613 A CN 113883613A
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王光能
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Zhejiang Deplaitai Environmental Technology Co ltd
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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
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    • F24—HEATING; RANGES; VENTILATING
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    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
    • F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
    • F25B41/24—Arrangement of shut-off valves for disconnecting a part of the refrigerant cycle, e.g. an outdoor part
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/31—Expansion valves
    • F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/40—Fluid line arrangements
    • F25B41/42—Arrangements for diverging or converging flows, e.g. branch lines or junctions
    • 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
    • F24F2003/144—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 by dehumidification only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/54—Heating and cooling, simultaneously or alternatively
    • Y—GENERAL 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
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Abstract

一种单管制高效制冷、除湿、制热的空气调节转换系统，包括压缩机、四通换向阀、室外风机、室外表冷器、气相截止阀、液相截止阀、电子彭胀阀、室外单向阀和室外电磁阀构成的室外机交换系统，和包括室内表冷器、蒸发器、室内风机、节流毛细管、室内单向阀、室内第一电磁阀、节流阀和室内第二电磁阀构成的室内机交换系统，气相截止阀通过一根气管连接室内机交换系统的气阀接头，液相截止阀通过一根液管连接室内机交换系统的液阀接头。本方案采用单管制，降低成本，简化安装过程的复杂性，提高可靠性。同时室内表冷器在制冷过程中扩大蒸发面积，从而提高了能效比，也起到一定的储液作用，可以根据实际需求，决定采用何种形式的除湿形式。

Description

一种单管制高效制冷、除湿、制热的空气调节转换系统
技术领域
本发明涉及一种单管制高效制冷、除湿、制热的新风转换系统，属于空气调节设备领域。
背景技术
目前空气调节设备（包括空调和新风交换机等）采用的是制冷、制热的系统，有除湿也是制冷功能来实现，属于降温除湿，也有少部份增加了升温除湿功能，但除湿连接管路是采用至少3根管连接，且除湿是升温除湿的形式，一方面，多根管路连接复杂，安装麻烦，可靠性差；另一方面，升温除湿要消耗相应降温的能耗，不节能，舒适性也不高。这种形式从总体来说没有做到根据实际要求来选择实现升温、等温还是降温除湿，并且能耗高。
发明内容
本发明的目的是为了克服已有技术的缺点，提供一种采用单管制连接，简化连接关系，提高可靠性，同时实现升温、等温或降温除湿，提高舒适性的一种单管制高效制冷、除湿、制热的转换系统。
本发明一种单管制高效制冷、除湿、制热的空气调节转换系统的技术方案是：其特征在于包括压缩机、四通换向阀、室外风机、室外表冷器、气相截止阀、液相截止阀、电子彭胀阀、室外单向阀和室外电磁阀构成的室外机交换系统，和包括室内表冷器、蒸发器、室内风机、节流毛细管、室内单向阀、室内第一电磁阀、节流阀和室内第二电磁阀构成的室内机交换系统，气相截止阀通过一根气管连接室内机交换系统的气阀接头，液相截止阀通过一根液管连接室内机交换系统的液阀接头；
制冷循环时：四通换向阀换向制冷，室内第一电磁阀及室内第二电磁阀打开，由压缩机排出的高温高压气体经四通换向阀至室外表冷器换热冷凝后，通过电子膨胀阀节流，一路经室内表冷器蒸发，再通过节流阀及第一电磁阀汇入气相截止阀；另一路经室内第二电磁阀至蒸发器汇入气相截止阀，由气相截止阀经四通换向阀回流到压缩机低压侧完成一个制冷循环；
除湿循环时：四通换向阀换向制冷，室外电磁阀打开，电子膨胀阀全开， 由压缩机排出的高温高压气体经四通换向阀至室外表冷器部份冷凝后，经室外电磁阀、室外单向阀和电子膨胀阀汇入液相截止阀，再经室内表冷器再次冷凝后，经室内单向阀和节流毛细管进入蒸发器蒸发，再经气相截止阀和四通换向阀回到压缩机低压侧，完成一个除湿循环；
制热循环时：四通换向阀换向制热，室内第二电磁阀打开，由压缩机排出的高温高压气体经四通换向阀至室外气相截止阀后，流入室内表冷器冷凝后，经室内第二电磁阀流入液相截止阀后，经电子膨胀阀节流后进入室外表冷器蒸发后，再经四通换向阀流回到压缩机低压侧，完成一个制热循环。
本发明公开了一种单管制高效制冷、除湿、制热的空气调节转换系统，该系统的特点是：首先克服了传统液管与气管都是双管制或气管是双管制的缺点，采用了单管制，降低了成本，简化了实际安装过程的复杂性，提高了可靠性。其次因除湿而增加的室内表冷器在制冷过程中得到有效的利用，扩大了蒸发面积，从而提高了能效比，且在制热过程也起到一定的储液作用，因为制热过程相对制冷剂循环量减少，会有一定的制冷剂多余。该系统可以根据实际需求，来决定是采用何种形式的除湿，即可选择升温、等温还是降温的除湿形式。并且为避免反向泄漏，同时增设了室外单向阀，能有效防止液体和气体反向泄漏，保证系统运行稳定。
附图说明
图1是本发明的转换系统制冷循环时运行示意图；
图2是本发明的转换系统除湿循环时运行示意图；
图3是本发明的转换系统制热循环时运行示意图。
具体实施方式
本发明涉及一种单管制高效制冷、除湿、制热的空气调节转换系统，如图1—图3所示，包括压缩机1、四通换向阀2、室外风机3、室外表冷器4、气相截止阀13、液相截止阀14、电子彭胀阀15、室外单向阀16和室外电磁阀17构成的室外机交换系统01，和包括室内表冷器5、蒸发器6、室内风机7、节流毛细管8、室内单向阀9、室内第一电磁阀10、节流阀11和室内第二电磁阀12构成的室内机交换系统02，气相截止阀13通过一根气管20连接室内机交换系统02的气阀接头，液相截止阀14通过一根液管21连接室内机交换系统02的液阀接头，气阀接头和液阀接头为常规的管路接头，安装在室内机交换系统的机壳中，不是本转换系统的必要部件，实际中，如图1—图3所示，气相截止阀13可以通过气管直接连接在室内第一电磁阀10上，液相截止阀14可以通过液管21直接连接在室内第二电磁阀12上；
制冷循环时：四通换向阀2换向制冷，室内第一电磁阀10及室内第二电磁阀10打开，由压缩机1排出的高温高压气体经四通换向阀2至室外表冷器4换热冷凝后，通过电子膨胀阀15节流，一路经室内表冷器5蒸发，再通过节流阀11及第一电磁阀10汇入气相截止阀13；另一路经室内第二电磁阀12至蒸发器6汇入气相截止阀13，由气相截止阀13经四通换向阀2回流到压缩机低压侧完成一个制冷循环，这个制冷循环中，室内表冷器与蒸发器都起蒸发吸热作用，但室内表冷器的蒸发量需要通过节流阀11来调整，这样可以更佳发挥表冷器的换热效果，此时室外电磁阀17是关闭的。
除湿循环时：四通换向阀2换向制冷，室外电磁阀17打开，电子膨胀阀15全开， 由压缩机1排出的高温高压气体经四通换向阀2至室外表冷器4部份冷凝后，经室外电磁阀17、室外单向阀16和电子膨胀阀15汇入液相截止阀14，再经室内表冷器5再次冷凝后，经室内单向阀9和节流毛细管8进入蒸发器6蒸发，再经气相截止阀13和四通换向阀2回到压缩机低压侧，完成一个除湿循环，这个循环中，室外表冷器5的冷凝量是可以调节的，主要通过调节室外风机3的风量来实现，其目的是可以实现除湿后的温度调节，根据要求实现升温、等温及降温除湿要求,，此时，室内第一电磁阀10和室内第二电磁阀12是关闭的。
制热循环时：四通换向阀2换向制热，室内第二电磁阀12打开，由压缩机1排出的高温高压气体经四通换向阀2至室外气相截止阀13后，流入室内表冷器5冷凝后，经室内第二电磁阀12流入液相截止阀14后，经电子膨胀阀15节流后进入室外表冷器4蒸发后，再经四通换向阀2流回到压缩机低压侧，完成一个制热循环，此时室内第一侧电磁阀10是关闭的，室外电磁阀17也是关闭的。
该系统的特点是：首先克服了传统液管与气管都是双管制或气管是双管制的缺点，采用了单管制，降低了成本，简化了实际安装过程的复杂性，提高了可靠性。其次因除湿而增加的室内表冷器在制冷过程中得到有效的利用，扩大了蒸发面积，从而提高了能效比，且在制热过程也起到一定的储液作用，因为制热过程相对制冷剂循环量减少，会有一定的制冷剂多余。该系统可以根据实际需求，来决定是采用何种形式的除湿，即可选择升温、等温还是降温的除湿形式。并且为避免反向泄漏，同时增设了室外单向阀16，能有效防止液体和气体反向泄漏，保证系统运行稳定。
该转换系统可应用于空调和新风交换机等各种空气调节设备中，使用范围广泛，有效简化目前各种空气调节设备的管路连接，同时进一步降低能耗，具有非常有益的积极效果。

Claims (1)

1.一种单管制高效制冷、除湿、制热的空气调节转换系统，其特征在于包括压缩机（1）、四通换向阀（2）、室外风机（3）、室外表冷器（4）、气相截止阀（13）、液相截止阀（14）、电子彭胀阀（15）、室外单向阀（16）和室外电磁阀（17）构成的室外机交换系统（01），和包括室内表冷器（5）、蒸发器（6）、室内风机（7）、节流毛细管（8）、室内单向阀（9）、室内第一电磁阀（10）、节流阀（11）和室内第二电磁阀（12）构成的室内机交换系统（02），气相截止阀（13）通过一根气管（20）连接室内机交换系统（02）的气阀接头，液相截止阀（14）通过一根液管（21）连接室内机交换系统（02）的液阀接头；
制冷循环时：四通换向阀（2）换向制冷，室内第一电磁阀（10）及室内第二电磁阀（10）打开，由压缩机（1）排出的高温高压气体经四通换向阀（2）至室外表冷器（4）换热冷凝后，通过电子膨胀阀（15）节流，一路经室内表冷器（5）蒸发，再通过节流阀（11）及第一电磁阀（10）汇入气相截止阀（13）；另一路经室内第二电磁阀（12）至蒸发器（6）汇入气相截止阀（13），由气相截止阀（13）经四通换向阀（2）回流到压缩机低压侧完成一个制冷循环；
除湿循环时：四通换向阀（2）换向制冷，室外电磁阀（17）打开，电子膨胀阀（15）全开，由压缩机（1）排出的高温高压气体经四通换向阀（2）至室外表冷器（4）部份冷凝后，经室外电磁阀（17）、室外单向阀（16）和电子膨胀阀（15）汇入液相截止阀（14），再经室内表冷器（5）再次冷凝后，经室内单向阀（9）和节流毛细管（8）进入蒸发器（6）蒸发，再经气相截止阀（13）和四通换向阀（2）回到压缩机低压侧，完成一个除湿循环；
制热循环时：四通换向阀（2）换向制热，室内第二电磁阀（12）打开，由压缩机（1）排出的高温高压气体经四通换向阀（2）至室外气相截止阀（13）后，流入室内表冷器（5）冷凝后，经室内第二电磁阀（12）流入液相截止阀（14）后，经电子膨胀阀（15）节流后进入室外表冷器（4）蒸发后，再经四通换向阀（2）流回到压缩机低压侧，完成一个制热循环。
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