CN102062473A - 一种复合热交换储水式热泵热水器 - Google Patents

一种复合热交换储水式热泵热水器 Download PDF

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CN102062473A
CN102062473A CN2010102095046A CN201010209504A CN102062473A CN 102062473 A CN102062473 A CN 102062473A CN 2010102095046 A CN2010102095046 A CN 2010102095046A CN 201010209504 A CN201010209504 A CN 201010209504A CN 102062473 A CN102062473 A CN 102062473A
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heat exchange
section
liner
heat
built
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CN102062473B (zh
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颜松
张俊杰
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AO Smith China Water Heater Co Ltd
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AO Smith China Water Heater Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H4/00—Fluid heaters characterised by the use of heat pumps
    • F24H4/02—Water heaters
    • F24H4/04—Storage heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/0092—Devices for preventing or removing corrosion, slime or scale
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/02—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
    • F28D7/024—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/02—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
    • F28D7/026—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled the conduits of only one medium being helically coiled and formed by bent members, e.g. plates, the coils having a cylindrical configuration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/003—Multiple wall conduits, e.g. for leak detection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/12—Heat pump
    • F24D2200/123—Compression type heat pumps

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

本发明涉及一种复合热交换储水式热泵热水器，属于家用电器技术领域。该热水器包括具有进、出水口的内胆和两端分别接热泵系统的热交换管，所述热交换管由外置段和内置段构成；所述外置段盘绕在所述内胆外壁；所述内置段安置在所述内胆中的下部；所述外置段与所述内置段串联连通。工作时，热泵系统的热交换介质首先进入外置段，与内胆中的水通过胆壁间接换热，降温后进入内置段，与内胆中的水通过管壁直接换热。由于从压缩机排出的高温高压气态换热介质在胆外完成了显热换热，然后再进入胆内进行冷凝换热，因此降低了在内胆中与水直接接触的管壁换热温度，在具有较高换热效率的情况下，显著减少了结垢。

Description

一种复合热交换储水式热泵热水器
技术领域
本发明涉及一种热泵热水器，尤其是一种复合热交换储水式热泵热水器，属于家用电器技术领域。
背景技术
热泵热水器具有良好的节能效果，因此得到迅速推广。据申请人了解，现有热泵热水器的热交换管与热水器储水内胆的结合方式有两类：一类是外置式，即热交换管盘绕在内胆外壁，与内胆里的水间接换热；另一类是内置式，即热交换管安置在内胆中，与内胆里的水直接换热。前者的缺点是热交换效率相对较低，后者的缺点则是由于热交换管内介质的初始温度较高，因此容易管壁结垢，导致热交换效率下降。此外，现有内置式热交换管还存在使用一段时间后，管内介质有泄漏的可能，结果会导致内胆中的水产生污染。
发明内容
本发明的首要目的在于：针对上述现有技术存在的缺点，提出一种换热效率高并且不容易结垢的复合热交换储水式热泵热水器。
本发明进一步的目的在于：提出一种可以有效避免介质泄漏的复合热交换储水式热泵热水器。
为了达到以上目的，本发明的复合热交换储水式热泵热水器包括具有进、出水口的内胆和热泵系统的冷凝器热交换管，其特征在于：所述热交换管由外置段和内置段构成；所述外置段贴合在所述内胆外壁；所述内置段安置在所述内胆中；所述外置段与所述内置段串联连通。
本发明进一步的完善是，所述外置段与内置段的长度设定为工作时，所述外置段中理想状态为为汽态热交换介质(通常主要为汽态热交换介质即可)，形成显热换热段；所述内置段中为汽液混合态热交换介质，形成冷凝换热段。
工作时，热泵系统的热交换介质首先进入外置段，与内胆中的水通过胆壁间接换热，降温后进入内置段，与内胆中的水通过管壁直接换热。由于从压缩机排出的高温高压气态换热介质在胆外完成了显热换热，然后再进入胆内进行冷凝换热，因此降低了在内胆中与水直接接触的管壁换热温度，在具有较高换热效率的情况下，显著减少了结垢。
为了达到本发明进一步的目的，所述内置段具有相互贴合的内、外管，所述内管与外管之间具有至少一条通往内胆外的引流槽。这样一旦内置段的内管泄漏，热交换介质将被引出，不会污染内胆中的水。
附图说明
下面结合附图对本发明作进一步的说明。
图1为本发明实施例一的结构示意图。
图2为本发明的A处局部放大结构示意图。
图3为图2的D-D剖面结构示意图。
具体实施方式
实施例一
本实施例的一种复合热交换储水式热泵热水器如图1所示，储水的内胆1包括进水口2和出水口(图中未示)，热交换管由外置段3和内置段5构成，两端分别通过进气管4和回液管6接热泵系统。外置段3由进气管4始，自高至低盘绕在内胆1下部外壁，内置段5安置在内胆1中的下部，自下至上盘绕呈螺旋状，末端接回液管6。外置段3和内置段5之间串联连通，外置段与内置段的长度比例设定按照工作时外置段中为汽态热交换介质，内置段中为汽液混合态热交换介质的原则设定，从而分别形成显热换热段和冷凝换热段。本实施例中，外置段与内置段的长度比例为1∶6(通常可在1∶5-7范围)。
如图2和图3所示，内置段5具有相互贴合的内、外管5-1和5-2，内管5-1的外表面具有四条沿轴向延伸的凹槽，因此与外管5-2之间形成四条通往内胆1外的引流槽5-5。外管5-2的外表面涂覆有搪瓷层5-3，端部与内胆1通过焊缝C焊接到内胆1上。内管5-1的端部扩口插入外置段的端头，通过钎焊B密封连接。
这样，一旦内置段5的内管泄漏，热交换介质5-4将被引出，不会污染内胆中的水。工作时，进气管通入高温高压的气态制冷剂，经过显热换热段，冷凝后进入冷凝换热段。最后，液态的制冷剂经过回液管进入热泵系统的节流装置。
由于从压缩机排出的高温高压的气态制冷剂在胆外部分完成了显热换热，然后再进入胆内部分的热交换器进行冷凝换热，因此降低了内胆内部与水直接接触的热交换器的换热温度，显著减少了结垢。
实践证明，采用本实施例的复合热交换器后，与现有内胆外壁缠绕管道的热交换器相比，不仅能够明显降低浸入内胆中热交换器发生结垢的可能性，而且热交换效率也显著提高，同时还避免了管道中的制冷剂泄漏对水产生的污染，因此具备了全程双层壁换热的特点，性能优酿，安全可靠。
除上述实施例外，本发明还可以有其他实施方式。凡采用等同替换或等效变换形成的技术方案，均落在本发明要求的保护范围。

Claims (8)

1.一种复合热交换储水式热泵热水器，包括具有进、出水口的内胆和热泵系统的冷凝器热交换管，其特征在于：所述热交换管由外置段和内置段构成；所述外置段贴合在所述内胆外壁；所述内置段安置在所述内胆中；所述外置段与所述内置段串联连通。
2.根据权利要求1所述的复合热交换储水式热泵热水器，其特征在于：所述外置段与内置段的长度设定为工作时，所述外置段中为汽态热交换介质，形成显热换热段；所述内置段中为汽液混合态热交换介质，形成冷凝换热段。
3.根据权利要求1或2所述的复合热交换储水式热泵热水器，其特征在于：所述内置段具有相互贴合的内、外管，所述内管与外管之间具有至少一条通往所述内胆外的引流槽。
4.根据权利要求3所述一种复合热交换储水式热泵热水器，其特征在于：所述外置段自高至低盘绕在内胆下部外壁。
5.根据权利要求4所述的复合热交换储水式热泵热水器，其特征在于：所述内置段安置在内胆中的下部，自下至上盘绕成螺旋状。
6.根据权利要求5所述的复合热交换储水式热泵热水器，其特征在于：所述内管的外表面具有沿轴向延伸的凹槽，与外管之间形成引流槽。
7.根据权利要求6所述的复合热交换储水式热泵热水器，其特征在于：所述外管的端部与内胆焊接，所述内管的端部扩口插入外置段的端头，密封焊接。
8.根据权利要求1所述的复合热交换储水式热泵热水器，其特征在于：所述外管的外表面涂覆有搪瓷层。
CN201010209504.6A 2010-06-24 2010-06-24 一种复合热交换储水式热泵热水器 Active CN102062473B (zh)

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PCT/US2011/041652 WO2011163490A2 (en) 2010-06-24 2011-06-23 A storage heat pump water heater with composite heat exchanger

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103375913A (zh) * 2012-04-12 2013-10-30 珠海格力电器股份有限公司 热泵热水器

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US2095017A (en) * 1935-08-15 1937-10-05 Wilkes Gilbert Water heater
US4290275A (en) * 1978-09-13 1981-09-22 U.S. Philips Corporation Heat pump water heater
EP0082825A1 (en) * 1981-12-18 1983-06-29 P.D. MECCANICA S.r.L. High efficiency apparatus for producing thermal power
FR2537704A3 (fr) * 1982-12-13 1984-06-15 Indesit Chauffe-eau relie a un appareil de recuperation de chaleur
WO2001022007A1 (en) * 1999-09-22 2001-03-29 Stanislav Mach A multi-purpose heat source for the heating system of a building
CN101435630A (zh) * 2007-11-13 2009-05-20 广东万和集团有限公司 整体壁挂式热泵热水器
CN201731626U (zh) * 2010-06-24 2011-02-02 艾欧史密斯(中国)热水器有限公司 一种复合热交换储水式热泵热水器

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DE3032953A1 (de) * 1979-09-14 1981-04-02 Pumpenfabrik Ernst Vogel, Stockerau, Niederösterreich Waermepumpanlage
NO793312L (no) * 1979-10-15 1981-04-21 Thorleif Moell Anordning vedroerende varmepumper.
DE3204684A1 (de) * 1982-02-11 1983-08-18 Bruno 7441 Wolfschlugen Kümmerle Warmwasserbereiter

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2095017A (en) * 1935-08-15 1937-10-05 Wilkes Gilbert Water heater
US4290275A (en) * 1978-09-13 1981-09-22 U.S. Philips Corporation Heat pump water heater
EP0082825A1 (en) * 1981-12-18 1983-06-29 P.D. MECCANICA S.r.L. High efficiency apparatus for producing thermal power
FR2537704A3 (fr) * 1982-12-13 1984-06-15 Indesit Chauffe-eau relie a un appareil de recuperation de chaleur
WO2001022007A1 (en) * 1999-09-22 2001-03-29 Stanislav Mach A multi-purpose heat source for the heating system of a building
CN101435630A (zh) * 2007-11-13 2009-05-20 广东万和集团有限公司 整体壁挂式热泵热水器
CN201731626U (zh) * 2010-06-24 2011-02-02 艾欧史密斯(中国)热水器有限公司 一种复合热交换储水式热泵热水器

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103375913A (zh) * 2012-04-12 2013-10-30 珠海格力电器股份有限公司 热泵热水器
CN103375913B (zh) * 2012-04-12 2015-10-28 珠海格力电器股份有限公司 热泵热水器

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WO2011163490A3 (en) 2012-11-08
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