CN110736161A - 室外空气调节机 - Google Patents
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- 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
- F24F3/1411—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 absorbing or adsorbing water, e.g. using an hygroscopic desiccant
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- 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
- F24F3/147—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 with both heat and humidity transfer between supplied and exhausted air
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- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
- F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
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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
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
- F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
- F24F12/002—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an intermediate heat-transfer fluid
- F24F12/003—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an intermediate heat-transfer fluid using a heat pump
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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
- F24F2203/00—Devices or apparatus used for air treatment
- F24F2203/10—Rotary wheel
- F24F2203/1032—Desiccant wheel
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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
- F24F2203/00—Devices or apparatus used for air treatment
- F24F2203/10—Rotary wheel
- F24F2203/104—Heat exchanger wheel
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
Abstract
本发明提供一种能量效率高、节省空间并且低成本的室外空气调节机。本发明为了解决以上课题,其特征在于,在前段利用进行来自室内空间的回流空气与室外空气之间的热交换的全热交换器来进行全热交换,在后段利用不需要再生热源的被动除湿转子进行回流空气与供气之间的全热交换,并利用进行经过全热交换的室外空气与回流空气之间的热交换的热泵回路的热交换器来进行热交换。并且,不需要室外机,由此实现设备的总成本的降低,且进一步实现设备设置后现场施工费用的削减、工期缩短。
Description
技术领域
本发明提供一种室外空气调节机(以下称为“外调机”),该室外空气调节机通过使用全热交换器及被动除湿转子,能够以少量的能量调整室外空气的温湿度,该被动除湿转子在再生时不使用外部热源而使用2个以上的空气流的相对湿度差。
背景技术
办公楼或商务楼等中使用的外调机以为了对室内空气的温湿度进行空气调节而通过室外空气的温湿度适当地调整供给至室内的空调机等的空气的温湿度的目的使用。
例如,作为这种外调机,作为包括全热交换器和除湿转子的空调机有一种引用文献1中的外调机。作为利用全热交换器对室外空气与来自室内的回流空气进行全热交换,并将经过全热交换的室外空气供给至室内的空气调节方法,直接将室外空气导入至全热交换器,另一方面,预先使用除湿转子对来自室内的回流空气进行除湿或加湿之后,导入至全热交换器。并且,作为除湿转子的再生用热源利用调温用的热泵的排热,以此抑制原始成本和运行成本。
专利文献1:日本特开2010-54184号公报
专利文献1中,利用来自室内的回流空气RA来抑制原始成本和运行成本的外调机存在如下问题:为了设为与室内条件相同的供气SA条件,夏季需要通过凉水等进行进一步的冷却,冬季同样需要利用热水等进行进一步的加热等。
并且,一般的风机盘管机组或全热交换器存在如下问题:虽然原始成本低,但需要夏季的过冷却和冬季的再加热等追加的调温装置,导致运行成本变高。
发明内容
本发明为了解决如上课题,其目的在于提供一种具有全热交换器和不需要再生热源的被动除湿转子,仅以热泵方式进行冷却和加热的外调机。
本发明的外调机,为了解决上述课题,最主要的特征在于,在前段利用在来自室内空间的回流空气与室外空气之间进行热交换的全热交换器进行全热交换,在后段利用不需要再生热源的被动除湿转子在回流空气与供气之间进行全热交换,并利用在经过全热交换的室外空气与回流空气之间进行热交换的热泵回路的热交换器进行热交换。
发明效果
本发明的换气装置如上构成,因此,仅以热泵方式进行冷却和加热,在设备内部组装所有制冷剂设备,因此不需要室外机,不需要在现场进行制冷剂配管或外部配线等的作业,因此还能够实现施工费用的削减和工期的缩短。并且,也不需要除湿转子的再生热源,不进行加热再生,由此即使对回流空气RA进行常温再生之后也无需排出至装置外,而用于进行与室外空气OA的热交换,因此省能。而且,作为被动除湿转子的吸附材料携带离子交换树脂,由此即使在常温下进行再生也不会使回流空气中所含的臭气移动到供气中。
附图说明
图1为本发明的实施例1的外调机的流程图。
图2为本发明的外调机夏季运行时的空气线图。
图3为本发明的外调机冬季运行时的空气线图。
图4为本发明的其他实施例的外调机的流程图。
具体实施方式
本发明涉及一种室外空气调节机,其特征在于,具有:排气管路,将来自室内空间的回流空气排出至外部;供气管路,将室外空气供给至所述室内空间;全热交换转子,在前段进行所述排气管路中的所述换气与所述供气管路中的所述室外空气之间的全热交换;热泵回路,进行来自所述全热交换转子的所述供气与所述回流空气之间的热交换;及除湿转子,其位于后段。
夏季制冷时,将供气侧的热泵回路的热交换器作为蒸发器冷却室外空气,并将回流空气侧的热交换器作为冷凝器运行。冬季制暖时,将供气侧的热泵的热交换器作为冷凝器加热室外空气,并将回流空气侧的热交换器作为蒸发器运行。并且,在夏季利用被动除湿转子进一步进行除湿。如上通过热泵技术进行夏季的除湿冷却运行、冬季的制暖运行的切换控制,此外还通过被动除湿转子进行夏季的进一步的除湿。并且,通过搭载全热交换器,还进行从室内空间排出的回流空气的能量回收,由此成为能够抑制能量消耗量并且还大幅降低运行成本的装置。
[实施例1]
以下,根据图1对本发明的换气空调装置的实施例进行详细说明。3为全热交换转子,将铝箔等片材进行瓦楞(Corrugated)加工而做成转子状,其上携带有吸附水分的硅胶或离子交换树脂等吸附材料。
全热交换转子3被配置成跨越将来自室内空间9的回流空气RA作为排气EA进行排气的排气管路和将室外空气OA作为供气SA供给至室内空间9的供气管路而通过齿轮马达4旋转。通过热泵回路的热交换盘管等的热交换器5、14和压缩机(compressor)16,进行通过全热交换转子3的回流空气与供气之间的热交换。并且,旁通管路A为了使热泵回路稳定而设置,其能够利用马达缓冲器等风量调整装置15将室外空气OA直接送至排气EA侧。
6为被动除湿转子,将玻璃纤维等无机纤维的多孔质的片材进行瓦楞(Corrugated)加工而做成转子状,其上携带有吸附水分的硅胶或沸石、离子交换树脂等吸附材料。本实施例中,为了避免臭气在回流空气与供气之间移动而使用了离子交换树脂。
被动除湿转子6配置成跨越将来自室内空间9的回流空气RA作为排气EA进行排气的排气管路和将室外空气OA作为供气SA供给至室内空间9的供气管路而通过齿轮马达7旋转。11为滴流渗透式等加湿器,在冬季等室内空间过度干燥时进行加湿。
首先,对夏季的制冷运行进行说明。室外空气OA通过作为处理风扇的鼓风机8通过定风量装置或马达缓冲器等风量调整装置1、空气过滤器2被送至全热交换转子3。利用全热交换转子3与从室内空间9通过被动除湿转子6的回流空气进行全热交换。经过全热交换的室外空气OA被送至作为热泵回路的蒸发器的热交换器5(冷却盘管等)被冷却。通过热交换器5的空气被送至被动除湿转子6而被加以除湿并作为供气SA供给至室内空间9。来自室内空间9的回流空气RA通过作为再生风扇的鼓风机13被送至被动除湿转子6并被加以加湿冷却。通过被动除湿转子6的回流空气RA被送至全热交换转子3并与室外空气OA进行全热交换。通过全热交换转子3的空气被送至作为热泵回路的冷凝器的热交换器14之后,作为排气EA被排出到装置外部。另外,利用温度调节机21测量热交换器5、温度传感器18、19的温度,并利用露点传感器20测量回流空气RA的露点,由此利用露点控制装置22进行露点控制。
将夏季的外调机23的装置内外的空气的状态示于图2的空气线图。图2中示出图1的装置内外(1)~(11)处的空气的状态。回流空气RA的(6)与供气SA的(5)的温度大致相同,无需通过凉水等进行进一步的冷却。
接着,对冬季的制暖运行进行说明。室外空气OA通过作为处理风扇的鼓风机8而通过定风量装置等的风量调整装置1、空气过滤器2被送至全热交换转子3。利用全热交换转子3与从室内空间9通过被动除湿转子6的回流空气进行全热交换。经过全热交换的室外空气OA被送至作为热泵回路的冷凝器的热交换器5(加热盘管等)并被加热。通过热交换器5的空气被送至被动除湿转子6并被加湿而作为供气SA供给至室内空间9。来自室内空间9的回流空气RA通过作为再生风扇的鼓风机13被送至被动除湿转子6并被加以除湿。另外,室内空间9内的空气过度干燥时,利用加湿器11进行对被动除湿转子6进行加湿以使供气SA的湿度提高的调整。通过被动除湿转子6的回流空气RA被送至全热交换转子3并与室外空气OA进行全热交换。通过全热交换转子3的空气被送至作为热泵回路的蒸发器的热交换器14之后,作为排气EA排出至装置外。
将冬季的外调机23的装置内外的空气的状态示于图3的空气线图。图3中同样示出图1的装置内外的(1)~(11)处的空气的状态。回流空气RA的(6)与供气SA的(5)的温度大致相同,无需通过热水等进行进一步的加热。
另外,如图4所示,作为其他实施例,也可以设为如下结构:在露点传感器20的旁边设置二氧化碳浓度传感器25,图4的(8)至(2)的沿途设置设置有马达缓冲器等风量调整装置24的旁通管路B,在通常被认为智能生产力的效率下降的室内二氧化碳浓度不超过1000ppm的范围内将回流空气RA回送到室内空间9。此时,风量调整装置1设为马达缓冲器。通过如此设计,能够抑制室内空间的空气与室外空气的换气量,相应地能够实现省能。例如,在休息日或夜间,回流空气RA的二氧化碳浓度低时,能够以抑制通过旁通管路B吸收的室外空气的风量的cromer循环模式运行。
产业上的可利用性
本发明提供一种使用全热交换器和被动除湿转子且能够仅以热泵回路进行冷却和加热的外调机。能够提供一种无需室外机便能够降低装置的总成本且能够实现设备设置时的现场施工费用的削减和工期缩短的外调机。即,无需在设置装置的现场进行冷热水配管或制冷剂配管施工,而且也不需要室外机的设置场所。
附图标记的说明:
1、12、15、24-风量调整装置,2、10-空气过滤器,3-全热交换转子,4、7-齿轮马达,5、14-热交换器,6-被动除湿转子,8、13-鼓风机,9-室内空间,11-加湿器,16-压缩机(compressor),17、18、19-温度传感器,20-露点传感器,21-温度调节机,22-露点控制装置,23-外调机,25-二氧化碳浓度传感器。
Claims (6)
1.一种室外空气调节机,其特征在于,具有:
排气管路,将来自室内空间的回流空气排出至外部;供气管路,将室外空气供给至所述室内空间;全热交换转子,在前段进行所述排气管路中的所述回流空气与所述供气管路中的所述室外空气之间的全热交换;热泵回路,进行来自所述全热交换转子的所述供气与所述回流空气之间的热交换;及除湿转子,其位于后段。
2.根据权利要求1所述的室外空气调节机,其特征在于,
所述除湿转子为将离子交换树脂作为吸附材料而携带的被动除湿转子。
3.根据权利要求1、2中任一项所述的室外空气调节机,其特征在于,
在所述除湿转子的所述排气管路侧入口设置有加湿器。
4.根据权利要求1至3中任一项所述的室外空气调节机,其特征在于,
在所述全热交换转子的前面,所述排气管路与所述供气管路之间设置旁通管路,以将室外空气送至所述热泵回路的所述排气管路侧的热交换器。
5.根据权利要求1至4中任一项所述的室外空气调节机,其特征在于,
利用温度传感器测量所述热泵回路的所述供气侧的热交换器的温度和所述除湿转子的供气管路侧的入口空气温度及出口空气温度,并利用露点传感器测量来自所述室内空间的回流空气的露点,并根据其输出值,通过露点控制装置控制所述室内空间的露点。
6.根据权利要求1至5中任一项所述的室外空气调节机,其特征在于,
利用二氧化碳浓度传感器测量来自所述室内空间的回流空气的二氧化碳浓度,根据其输出值,控制将所述除湿转子的排气管路侧出口的空气回送到所述热泵回路的所述供气侧的热交换器的前面的量。
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Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018135653A JP2020012602A (ja) | 2018-07-19 | 2018-07-19 | 外気調和機 |
JP2018-135653 | 2018-07-19 |
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US11181294B2 (en) | 2021-11-23 |
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