CN202547187U - 低温增焓空气源热泵装置 - Google Patents

低温增焓空气源热泵装置 Download PDF

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CN202547187U
CN202547187U CN2011205734395U CN201120573439U CN202547187U CN 202547187 U CN202547187 U CN 202547187U CN 2011205734395 U CN2011205734395 U CN 2011205734395U CN 201120573439 U CN201120573439 U CN 201120573439U CN 202547187 U CN202547187 U CN 202547187U
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邵和勇
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Zhejiang source energy saving Technology Co., Ltd.
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Abstract

一种低温增焓空气源热泵装置,其由过滤器、冷凝器、四通阀、蒸发器、风机、气液分离器、节流装置、压缩机、单向阀、电磁阀、经济器、循环泵等组成。压缩机为喷液增焓压缩机,工质管上接有经济器,经济器的进口端接节流装置,经济器的出口端接有电磁阀和单向阀,单向阀另一端通过工质管连接到压缩机的喷液口。节流装置为膨胀阀,膨胀阀的感温包连绑于工质管上,工质管位于四通阀与气液分离器之间,靠近四通阀侧。冷凝器的水侧进水口设有水泵,蒸发器内侧装有风叶和电机。实现了热泵在低温环境和高出水温度下有较大的制热能力输出,降低排气温度防止压缩机温度过高延长压缩机的使用寿命,提高热机组在低温环境的运行可靠性和安全性。

Description

低温增焓空气源热泵装置
技术领域:
本实用新型涉及一种热泵装置,尤其涉及一种能在低温环境下增加制热能输出的低温增焓空气源热泵装置。 
背景技术:
目前,传统的空气源热泵在低温环境下会产生如下问题:制热量随着环境温度的下降而逐步衰减。随着环境温度的降低,蒸发温度也随之下降,制冷剂吸气比容增大,压缩机吸气量下降,从而减少热泵系统的制热量,不能满足最大采暖热负荷。在低温环境下,吸气压力低,制冷剂循环量小,压缩比大,排气温度高的问题,使机组的运行可靠性降低。 
实用新型内容:
针对现有上述产品的技术不足,本实用新型的目的在于提供一种低温增焓空气源热泵装置,其由过滤器、冷凝器、四通阀、蒸发器、风机、气液分离器、节流装置、压缩机、单向阀、电磁阀、经济器、循环泵等组成。 
本实用新型解决其技术问题所采用的技术方案是:压缩机为喷液增焓压缩机,工质管上接有经济器,经济器的进口端接节流装置,经济器的出口端接有电磁阀和单向阀,单向阀另一端通过工质管连接到压缩机的喷液口。节流装置为膨胀阀,膨胀阀的感温包连绑于工质管上,工质管位于四通阀与气液分离器之间,靠近四通阀侧。冷凝器的水侧进水口设有水泵,蒸发器内侧装有风叶和电机。 
本实用新型的有益效果是:实现了热泵在低温环境和高出水温度下有较大的制热能力输出,降低排气温度防止压缩机温度过高延长压缩机的使用寿命,提高热机组在低温环境的运行可靠性和安全性。 
附图说明:
图1是本实用新型产品原理结构线路图. 
图中,1、过滤器,2、冷凝器,3、四通阀,4、蒸发器,5、风机,6、气液分离器,7、节流装置A,8、压缩机,9、单向阀,10、电磁阀,11、经济器,12节流装置B,13、循环泵(13)。 
具体实施方式:
如图所示,本实用新型产品包括压缩机8、四通阀3、冷凝器2、经济器11、节流装置7、蒸发器4、气液分离器6以及连接用的工质管接到压缩机8的进气口,所采用的压缩机8是喷液增焓压缩机,节流装置A12是采用膨胀阀,节流装置A12的一端接冷凝器2的出口、另一端接经济器11,接经济器11另一端接到接电磁阀10,电磁阀10另一端接单向阀9以及工质管接到压缩机的喷液口中。 
制热运行时,如果压缩机8的制冷剂排气温度减去冷凝器2中的载冷剂出口的温度差值小于设定温度时,电磁阀10处于关闭状态,制冷剂循环按以下循环路线运行:从压缩机8排出的高温高压的制冷剂蒸汽经过四通阀3进入冷凝器2与载冷剂换热成高压过冷液体,经过经济器11、节流装置8进入蒸发器从外界吸热成为过气体再经过四通阀3进入气液分离器6再回到压缩机8形成制循环。 
制热运行时,如果压缩机8的制冷剂排气温度减去冷凝器2中的载冷剂出口的温度差值大于设定温度时,电磁阀10处于打开状态,制冷剂循环按以下两个路线运行:从压缩机8排出的高温高压的制冷剂蒸汽经过四通阀3进入冷凝器2与载冷剂换热成高压过冷液体,一路经过节流装置12、进经济器吸收另一路过热高压过热液体的热量经过电磁阀10和单向阀进入压缩机8的喷液口形成一个路制热循环;另一路经过经济器11、节流装置8进入蒸发器从外界吸热成为过气体再经过四通阀3进入气液分离器6再回到压缩机8形成制循环。 
以上所述的仅是本实用新型的原理和实例。对本领域的普通技术人员来说,在不脱离本实用新型原理下,还可以做出若干变型和改进,也应视为属于本实用新型的保护范围。 

Claims (2)

1.低温增焓空气源热泵装置,其由过滤器、冷凝器、蒸发器、风机、气液分离器、节流装置、压缩机、经济器、循环泵组成,其特征在于:压缩机为喷液增焓压缩机,工质管上接有经济器,经济器的进口端接节流装置,经济器的出口端接有电磁阀和单向阀,单向阀另一端通过工质管连接到压缩机的喷液口;节流装置为膨胀阀,膨胀阀的感温包连绑于工质管上,冷凝器的水侧进水口设有水泵,蒸发器内侧装有风叶和电机。
2.根据权利要求1所述的低温增焓空气源热泵装置,其特征在于:所述的工质管位于四通阀与气液分离器之间,靠近四通阀侧。 
CN2011205734395U 2011-12-23 2011-12-23 低温增焓空气源热泵装置 Expired - Fee Related CN202547187U (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104613665A (zh) * 2015-02-02 2015-05-13 珠海格力电器股份有限公司 热泵空调系统
CN108224841A (zh) * 2018-02-10 2018-06-29 湖南埃瓦新能源科技有限公司 一种带接水盘融冰管路的热泵系统
CN114198930A (zh) * 2021-12-07 2022-03-18 南京平欧空调设备有限公司 一种空气源热泵机组

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104613665A (zh) * 2015-02-02 2015-05-13 珠海格力电器股份有限公司 热泵空调系统
CN108224841A (zh) * 2018-02-10 2018-06-29 湖南埃瓦新能源科技有限公司 一种带接水盘融冰管路的热泵系统
CN114198930A (zh) * 2021-12-07 2022-03-18 南京平欧空调设备有限公司 一种空气源热泵机组

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