CN102155794B - 用于炉的集管箱、包括集管箱的炉及构成该炉的方法 - Google Patents

用于炉的集管箱、包括集管箱的炉及构成该炉的方法 Download PDF

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CN102155794B
CN102155794B CN201010591672.6A CN201010591672A CN102155794B CN 102155794 B CN102155794 B CN 102155794B CN 201010591672 A CN201010591672 A CN 201010591672A CN 102155794 B CN102155794 B CN 102155794B
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G·W·科瓦尔德
H·J·帕勒
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C45/18—Feeding the material into the injection moulding apparatus, i.e. feeding the non-plastified material into the injection unit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/34—Burners specially adapted for use with means for pressurising the gaseous fuel or the combustion air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
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    • F23D14/58—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
    • 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
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/06—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators
    • F24H3/08—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators by tubes
    • F24H3/087—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators by tubes using fluid fuel
    • 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
    • F24H8/00—Fluid heaters characterised by means for extracting latent heat from flue gases by means of condensation
    • F24H8/006—Means for removing condensate from the heater
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/14—Collecting or removing condensed and defrost water; Drip trays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/18—Heat-exchangers or parts thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/14—Special features of gas burners
    • F23D2900/14481—Burner nozzles incorporating flow adjusting means
    • 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]
    • 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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    • Y10T137/00—Fluid handling
    • Y10T137/4456—With liquid valves or liquid trap seals
    • Y10T137/4463—Liquid seal in liquid flow line; flow liquid forms seal
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • 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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    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49348—Burner, torch or metallurgical lance making
    • 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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    • Y10T29/4935—Heat exchanger or boiler making
    • 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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    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4935—Heat exchanger or boiler making
    • Y10T29/49389—Header or manifold making
    • 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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    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
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  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
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  • Details Of Fluid Heaters (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
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Abstract

本发明公开了一种冷端集管箱、一种炉和一种构成炉的方法。在一个实施例中，所述冷端集管箱包括：(1)固定孔，该固定孔设置成调节通过炉的换热器的空气流，其中，燃烧空气引导器引导空气流；以及(2)负压力槽道，该负压力槽道包括：负槽道供给口，该负槽道供给口与燃烧空气引导器的入口连通；负压力口，该负压力口设置成与压力开关的负输入口连接；以及排放口，该排放口设置成使得在入口处通过负槽道供给口接收的压力降低至在负压力口处的目标范围，压力开关设置成监测通过换热器的燃烧压力。

Description

用于炉的集管箱、包括集管箱的炉及构成该炉的方法
相关申请的交叉引用
本申请要求美国临时专利申请No.61/295501的权益，该美国临时专利申请No.61/295501的申请人为Shailesh S.Monohar等，申请日为2010年1月15日，标题为“An Improved Heating Furnace for aHVAC System”，该申请的内容结合到本申请中，作为参考。
技术领域
本申请通常涉及炉，更具体地说，涉及调整炉的压力信号。
背景技术
HVAC系统可以用于调节外壳内的环境。通常，鼓风机用于将空气通过管道从外壳带入HVAC系统中，并在调节空气状态(例如加热或冷却空气)后通过另外的管道将空气推回外壳中。例如，炉如燃气炉可以用于加热空气。
高效住宅燃气器具通常依赖于机械装置(例如燃烧空气引导器)来产生通过器具换热器的烟道侧的受控质量流。为了产生流动，横过炉的热系统(heat train)必须存在压力差。为了证明获得和保持了合适的压力降和流量来在安全界限内支持炉的燃烧过程，通常使用压力感测装置。这些压力感测装置可以包括机械压力差开关或电子传感器，它们向集成电子控制器提供反馈。
用于产生、控制和感测通过换热器的流量的炉的部件通常设计成用于多种尺寸的炉(低输入至高输入)。因此，各种部件的尺寸设置成处理一定范围的输入。这种炉设计在各工业制造商之间是类似的，通常使用附接在冷凝器盘管的端部上的烟道气/冷凝液收集箱(这里称为冷端集管箱(CEHB))、燃烧空气引导器风扇组件(CAI)、位于CAI或CEHB中用于调节流过热系统的流量的固定孔以及用于监测流量的压力感测装置。压力感测装置可以用于监测横过该固定孔的压力，或者监测在热系统中的其它点的压力，以便提供用于该用途的最有利信号。
发明内容
在一个方面，本发明提供了一种CEHB。在一个实施例中，CEHB包括：(1)固定孔，该固定孔设置成调节流过炉的换热器的空气流，其中，燃烧空气引导器引导空气流；以及(2)负压力槽道，该负压力槽道包括：负槽道供给口，该负槽道供给口与燃烧空气引导器的入口连通；负压力口，该负压力口设置成与压力开关的负输入口连接；以及排放口，该排放口设置成使得在入口处通过负槽道供给口接收的压力降低至在负压力口处的目标范围，压力开关设置成监测通过换热器的燃烧压力。
在另一方面，本发明公开了一种炉。在一个实施例中，该炉包括：(1)换热器；(2)燃烧空气引导器，该燃烧空气引导器设置成产生通过换热器的空气流；(3)压力开关，该压力开关设置成监测通过换热器的燃烧压力；以及(4)集管箱，该集管箱设置成在换热器和燃烧空气引导器之间连接。集管箱有：(4A)固定孔，该固定孔设置成调节空气流；以及(4B)负压力槽道，该负压力槽道包括：负槽道供给口，该负槽道供给口与燃烧空气引导器的入口连通；负压力口，该负压力口设置成与压力开关的负输入口连接；以及排放口，该排放口设置成使得在入口处通过负槽道供给口接收的压力降低至在负压力口处的目标范围。
在还一方面，本发明公开了一种构成炉的方法。在一个实施例中，该方法包括：(1)将换热器布置于壳体中；(2)将鼓风机定位在壳体中，其中，鼓风机可以使得空气横过换热器运动；以及(3)使得集管箱与换热器连接，其中，集管箱包括集成的燃烧压力调节系统。
附图说明
下面将结合附图进行说明，附图中：
图1是根据本发明的原理构成的炉的实施例的一部分的分解立体图；
图2是根据本发明的原理构成的CEHB的实施例的正向立体图；
图3是图2的CEHB的后向立体图；
图4是根据本发明的原理构成的CEHB的实施例的功能图；
图5是根据本发明的原理构造CEHB的方法的实施例的流程图。
具体实施方式
当炉的输入尺寸增大时，所需的换热器表面积成比例地增大。由于增大的换热器尺寸和质量流速，为了监测这种烟道系统而测量的燃烧压力通常随着炉的输入尺寸而变化，随后增加测量孔的直径。因此，所形成的燃烧压力差通常对于各个输入尺寸的炉不同，从而需要多个不同的压力开关(由于不同的设置点)来用于给定模式族的炉。当为电子压力传感器时，可能需要专用的集成控制器，或者也可选择，需要复杂的控制器固件，该控制器固件具有模式特定表格值，以便管理该变化的炉参数。
相同模式族中在单元内的变化的燃烧压力差进一步使得多级炉产品的发展复杂化，该多级炉产品利用“燃气-空气”系统来获得变化的燃烧率。在该系统中，横过换热器的燃烧压力差(该燃烧压力差证明合适流动)与燃气阀控制的燃烧率(歧管压力)气动地相关联。通常，变化的燃烧压力要求燃气阀为特定单元，或者使用附加装置来使得该压力差正常化，使得它对于模式系列中的所有单元都相同。
本发明提供了一种燃气炉，该燃气炉有集成的燃烧压力调节系统，该燃烧压力调节系统设置成调节燃烧压力，该燃烧压力用于监测通过炉的换热器的空气流。燃烧压力调节成处于目标值或在目标范围内，这样，用于监测通过换热器的流速的单个类型的压力开关可以用于多炉模式。另外，用于控制变化的燃烧率的燃气阀可以用于多炉模式，而代替单元特定阀。通过这样使不同类型的炉标准化，可以降低制造成本和故障检修成本。而且，通过这里所述的集成燃烧压力调节系统，采用的软管更少，且堵塞较小黄铜孔的可能性更小，这些较小黄铜孔通常与外部压力调节系统相关连。还有，通过使用集成的燃烧压力调节系统，将有简化的结构，且没有外部部件，从而导致容易制造。
为了调节燃烧压力，本发明公开了一种集管箱，该集管箱有集成的燃烧压力调节系统。集管箱位于炉的换热器和燃烧空气引导器之间。通过调节燃烧压力，由炉的压力感测装置产生并基于调节的燃烧压力的燃烧压力信号处于可以由多炉模式和类型使用的已知范围内，以便控制燃气阀和监测燃气流量。燃烧压力被监测，以便指示通过换热器的合适流量，该合适流量由横过换热器的合适压力降来指示。
在一个实施例中，集管箱是燃气炉的CEHB。CEHB布置在燃气炉的次级换热器和燃烧空气引导器之间。所述CEHB包括集成的燃烧压力调节系统，该燃烧压力调节系统有槽道和压力降低孔，该槽道和压力降低孔的尺寸和位置合适地设置成调节燃烧压力，该燃烧压力用于证明已经获得和保持横过炉的热系统的合适压力降和流量，以便在安全界限内支持燃烧过程。
下面参考图1，图中表示了根据本发明原理构成的炉100的实施例的一部分的分解立体图。炉100可以为多位置炉。在一些实施例中，炉可以是住宅用燃气炉。炉100包括集管箱的实施例，该集管箱设置成调节燃烧压力。炉100包括壳体110，该壳体110有前部开口112，安装搁架114布置在该前部开口112内。安装搁架114在其中具有开口116，并将换热器组件120支承在该开口116之上。换热器组件120包括初级换热器122和次级换热器126。初级换热器122包括一排六个相互连接的换热器(一个表示为124)。换热器大致为曲折的，并有3个近似180°的折弯，这样，换热器横过开口116四次，终止于(初级换热器122的)入口125和(次级换热器126的)出口127，该入口125和出口127大致相互共面，并定向成朝着壳体110的开口112。换热器组件120的可选实施例可以有在一排或多排中的、更多或更少的相互连接的换热器。另外，可选实施例可以有可选的换热器结构。
燃烧器组件140包括：电子控制电磁阀142；歧管144，该歧管144从阀142引出并横过燃烧器组件140；一个或多个燃气孔(未示出)，该燃气孔与歧管144连接；以及一个或多个燃烧器(未示出)，该燃烧器与燃气孔相对应并位于该燃气孔附近。燃烧器组件140的示出的实施例是一排六个燃烧器。燃烧器组件140的可选实施例可以有布置在一排或多排中的更多或更少燃烧器。燃烧空气入口146允许空气进入燃烧器组件140。在已装配的结构中，燃烧器组件140位于换热器组件120附近，使得它的燃烧器至少与入口125近似对齐。
炉100还包括通风引导器组件150，该通风引导器组件150包括燃烧空气引导器154和与燃烧空气引导器154的出口连接的燃烧烟道轴环156。在已装配的结构中，通风引导器组件150位于换热器组件120附近，使得燃烧烟道轴环156近似与烟道管(未示出)对齐，该烟道管引导不需要的气体(例如燃烧的气体产物)离开炉100。第一和第二排出软管151、152与通风引导器组件相关连，该第一和第二排出软管151、152提供了用于从燃烧烟道轴环156和烟道管排出冷凝物的通路。
鼓风机160从搁架114处悬垂，使得它的出口(未标记)近似与开口116对齐。电子控制器170位于鼓风机160附近，并设置成控制鼓风机、阀142和燃烧空气引导器154，以便使得炉提供热量。盖180可以布置在壳体110的前部开口112之上。
CEHB 190提供了在燃烧空气引导器154和次级换热器126之间的交界面。燃烧空气引导器154有与CEHB 190连接的入口。在已装配的结构中，通风引导器组件150位于换热器组件120附近，使得CEHB 190近似与出口127对齐，燃烧烟道轴环156近似与烟道管对齐。
炉100还包括压力感测装置195，该压力感测装置195设置成监测通过炉100的热系统的燃烧压力。压力感测装置195可以是机械压差感测装置(例如压力开关)或电子传感器(该电子传感器向炉100的集成电子控制器例如电子控制器170提供反馈)。压力感测装置195包括用于确定燃烧压力的输入装置。压力感测装置195的输入装置与CEHB 190的压力口连接。如后面所述，通过将压力口布置在CEHB190的槽道中而防止压力口受到水污染。
根据由压力感测装置195从通过压力口接收的数据而获得的压力差，当有不合适的空气流通过热系统时可以关闭或保持关闭用于换热器120的燃气供给。另外，当CEHB 190的冷凝液排出减少或阻塞时，可以关闭或保持关闭用于换热器120的燃气供给。这样，利用来自CEHB 195的压力口的数据的相同压力感测装置195可以保护炉100防止不合适的空气流通过热系统以及保护炉100防止阻塞冷凝液排出。压力感测装置195可以通过普通软管而紧固在CEHB 190的口上。压力感测装置195还可以通过普通装置而与电子控制器170或阀142连接。在一些实施例中，压力感测装置195可以紧固在CEHB 190上。
在所示的实施例中，控制器170打开燃烧空气引导器154，以便起动换热器(包括换热器124)中的通风以及清除可能有害的未燃烧或燃烧气体。然后，控制器170启动点火器(图1中未示出)，以便试图开始点火器加热周期。在预定的点火器加热周期之后，控制器170打开阀142，以便允许燃气通向歧管144以及一个或多个燃气孔，由此，燃气开始与空气混合，以便形成可燃的燃气-空气混合物。如果火焰传感器的输出表示燃气-空气混合物在预定的时间周期内未点火，则控制器170关闭阀142，并等待直到试图再次开始。如果火焰传感器的输出表示燃气-空气混合物已经在预定的时间周期内点火，则控制器170启动鼓风机160，该鼓风机160迫使空气向上通过开口116和换热器组件120。当空气经过换热器表面时，该空气被加热，由此，它可以根据需要进行供给或分配，以便提供加热。
图2是根据本发明的原理构成的CEHB例如CEHB 190的实施例的正向立体图。如上所述，CEHB 190设置成在次级换热器126和燃烧空气引导器154之间提供交界面，该燃烧空气引导器154吸入燃烧产物通过换热器120。
CEHB 190设置成提供用于被加热的燃气通过次级换热器126从换热器出来的出口。CEHB 190还设置成除去与被加热的燃气相关连的冷凝液。因此，CEHB 190通常由防止水腐蚀的非金属材料来构造。例如，CEHB 190可以由塑料构造。
CEHB 190可以用于多位置燃气炉例如炉100中。因此，CEHB 190包括多位置排出系统的部件，这些部件包括第一排出口210、第二排出口212、左侧排出装置214和右侧排出装置216。第一和第二排出口210、212定位和设置成与来自燃烧烟道轴环156的排出软管例如排出软管151、152连接。根据炉100的安装，左侧排出装置214、右侧排出装置216或者左侧和右侧排出装置214、216二者可以用于从CEHB190除去冷凝液。
设置成将CEHB 190附接在次级换热器126上的凸缘220位于CEHB 190的四个侧部。凸缘220包括孔(其中表示了孔222)，该孔用于将CEHB 190机械地附接在次级换热器126上。垫圈通常用于凸缘220和次级换热器126之间。
CEHB 190还包括支承轴环230，该支承轴环230用于使得燃烧空气引导器154与CEHB 190连接。因此，支承轴环230与燃烧空气鼓风机154的入口相对应，其用于通过换热器120吸入预清洗空气和燃烧产物。在图2中所示的垫圈通常用于支承轴环230，用于使得CEHB190与燃烧空气鼓风机154连接。
固定孔240位于支承轴环230的圆周中(因此在燃烧空气鼓风机154的入口内)。固定孔240设置成调节通过换热器120的气流。固定孔240的尺寸可以基于炉100的输入尺寸。负槽道供给口244和正槽道供给口246也位于支承轴环230的圆周中。在CEHB 190的前侧中的这些口各自提供用于向相应槽道提供空气的开口。固定孔240、负槽道供给口244和正槽道供给口246的尺寸和位置以及正压力和负压力槽道270、280(图3中所示)的尺寸和位置可以通过经验测试来确定，以便当为了确定燃烧压力而由压力感测装置检测时提供目标压力或压力范围。
CEHB 190还包括连接系统235，该连接系统235有对齐的凸起，如图2中所示，这些对齐的凸起用于使得压力感测装置195与CEHB190连接。连接系统235和相应凸起可以根据要附接在CEHB 190上的压力感测装置的类型或模式而变化。
CEHB 190还包括正压力口250和负压力口260，它们与压力感测装置例如压力感测装置195的正输入端和负输入端连接。压力感测装置设置成根据通过负压力口和正压力口250、260而在负输入口和正输入口处接收的数据来监测横过固定孔240的燃烧压力。正压力口和负压力口250、260通常通过压力感测装置软管而与压力感测装置连接。正压力口250位于正压力槽道270中，负压力口260位于负压力槽道280中，如图3中所示。使得正压力口250和负压力口260定位在相应槽道中并远离相应槽道的开口将保护压力口和压力感测装置防止其受到在燃烧过程中产生的冷凝液的影响。
CEHB 190还包括螺钉安装凸耳292和防水墙295。当燃烧空气引导器安装在CEHB 190上时使用螺钉安装凸耳292。防水墙295为冷凝液防水墙，它设置成引导水离开CEHB 190的敏感区域，并帮助保持稳定的压力信号。
图3是CEHB190的后部立体图，它表示了正压力槽道270和负压力槽道280。尽管图3中未示出，正压力槽道270包括正压力口250。在正常操作过程中，正压力槽道270有与CEHB 190相同或大约相同的压力。因此，将正压力口250定位在正压力槽道270中使得能够测量燃烧压力，同时保护正压力口250防止其受到冷凝液的影响。图3(或图2)中未示出的正压力槽道270和负压力槽道280的其它部件包括负槽道供给口244、正槽道供给口246和位于正压力槽道270中的节流孔。另外，负压力槽道280包括图2或图3中未示出的排放口。排放口设置成当在负压力口260处测量时使得通过负槽道供给口244接收的压力降低至目标范围。排放口在图4中表示。槽道270、280的尺寸、形状和位置以及它的各个部件可以通过经验测试来确定，以便在由压力感测装置测量时提供目标压力或压力范围，从而与目标压力降或通过换热器的流量相关联。
正压力槽道270的第一端(入口端272)延伸在支承轴环230中，如图4中所示。正压力槽道270的第二端(压力参考入口274)朝着CEHB 190的、具有排出装置216的侧部开口。正压力槽道270有四边形截面，并包括四个区段，这四个区段以90度或大约90度连接，以便形成从入口端272至压力参考入口274的连续开口槽道。
尽管图3中未示出，负压力槽道280包括负压力口260。负压力槽道280设置成使得存在于燃烧空气引导器154的入口处的高负压力在负压力口260处减小至目标压力或压力范围。因此，使得负压力口260定位在负压力槽道280内能够测量燃烧压力信号，同时保护负压力口260防止受到冷凝液的影响。负压力槽道280包括表示为封闭端282的第一端。负压力槽道280的第二端(开口端284)朝着CEHB 190的、有排出装置214的侧部开口。负压力槽道280有四边形截面，并包括四个区段，这四个区段连接以便形成从封闭端282至开口端284的连续开口槽道。
负槽道供给口244位于负压力槽道280的供给区段286内。包括负槽道供给口244的供给区段286的一部分位于支承轴环230的圆周内，因此位于燃烧空气引导器154的相应入口中。负压力槽道280的、环绕开口端284的侧部形成为提供防水罩，以便保护负压力口260防止受到污染。
负槽道供给口244定位成与燃烧空气引导器的入口流体连通。在负压力槽道280中的负压力口260可与压力感测装置的输入装置(例如负输入装置)连接。类似地，正压力槽道供给口246定位成与燃烧空气鼓风机的入口流体连通，正压力口250可与压力感测装置的输入装置(例如正输入装置)连接。正压力槽道270和负压力槽道280流体连通，并设置成当压力参考入口274被阻塞(例如被冷凝物阻塞)时具有大约相同压力。CEHB 190设计成即使当包括该CEHB 190的炉安装在多个位置中时也是这样。当压力参考入口274未阻塞时在燃烧空气鼓风机的操作过程中(即当具有适当排出时的正常操作过程中)，正压力槽道270设置成与负压力槽道280相比有正压力。
图4是根据本发明的原理构成的CEHB实施例(CEHB 190)的功能图。图4提供了CEHB 190的剖视图，以便更清楚表示集成的燃烧压力调节系统和它的操作。集成的燃烧压力调节系统包括槽道和位于这些槽道中的部件，它们用于使得燃烧空气引导器154的入口内的压力降低至用于多炉模式的目标压力范围或目标压力。在图4中，集成的燃烧压力调节系统的实施例表示为包括正压力和负压力槽道270、280以及负槽道供给口和正槽道供给口244、246。集成的燃烧压力调节系统的所示实施例的附加部件包括负压力槽道280的排放口440和正压力槽道270的节流孔450。在其它实施例中，集成的燃烧压力调节系统可以包括附加的孔、排放口或不同形状的槽道，以便调节在燃烧空气引导器入口处的压力。通过将燃烧空气引导器入口压力降低至目标范围，单个压力感测装置可以用于多炉模式。通过使得压力调节系统内置为集管箱(例如CEHB 190)的一部分，将不需要用于调节压力信号的外部部件。
排放口440设计成使得通过负压力槽道供给口244所接收的负压力向下排放。排放口440定位在CEHB 190中，以便防止水污染。排放口的位置和尺寸选择为使得燃烧空气引导器154的入口区域中的高负压力被正常化至在负压力口260处的目标压力值或压力值范围。因此，一种类型的压力感测装置可以用于多种模式。
下面参考图5，图中表示了根据本发明的原理构成炉的方法500的实施例的流程图。炉可以是住宅用的多位置燃气炉。方法500开始于步骤505。
在步骤510中，将换热器布置在壳体中。壳体可以是机壳，例如金属机壳。换热器可以包括初级换热器和次级换热器。
在步骤520中，将鼓风机定位在壳体中，以便使得空气横过换热器运动。鼓风机可以与壳体或壳体的搁架连接。鼓风机可以是可变鼓风机。
在步骤530中，将集管箱与换热器连接。集管箱包括集成的燃烧压力调节系统，该燃烧压力调节系统设置成调节炉的燃烧压力。集管箱可以是冷端集管箱，它与换热器的次级换热器连接。
在步骤540中，将燃烧空气引导器与集管箱连接。集管箱可以包括支承轴环和连接系统，该连接系统有对齐的凸起，用于使得燃烧空气引导器与集管箱连接。然后，方法500在步骤550中结束。
与本申请相关的本领域技术人员应当知道，所述实施例可以进行其它和进一步的添加、省略、代替和改变。

Claims (10)

1.一种冷端集管箱，所述冷端集管箱设置成与燃气炉的次级换热器连接，所述冷端集管箱包括：
固定孔，所述固定孔设置成调节通过所述燃气炉的换热器的空气流，其中，燃烧空气引导器引导所述空气流；以及
负压力槽道，所述负压力槽道包括：负槽道供给口，所述负槽道供给口与所述燃烧空气引导器的入口连通；负压力口，所述负压力口设置成与压力开关的负输入口连接；以及排放口，所述排放口设置成将在所述入口处通过所述负槽道供给口接收的压力降低至所述负压力口处的目标范围，所述压力开关设置成监测通过所述换热器的燃烧压力。
2.根据权利要求1所述的冷端集管箱，还包括：正压力槽道，所述正压力槽道具有正压力口，所述正压力口设置成与所述压力开关的正输入口连接，其中，通过在所述负输入口和所述正输入口处接收的数据来测量横过所述固定孔的压力差，所述压力开关监测所述燃烧压力。
3.根据权利要求1所述的冷端集管箱，其中：所述负压力槽道包括防水罩，以便保护所述负压力口防止受到水污染。
4.根据权利要求1所述的冷端集管箱，还包括：支承轴环，用于使得所述冷端集管箱与所述燃烧空气引导器连接，其中，所述支承轴环与所述燃烧空气引导器的所述入口相对应。
5.根据权利要求4所述的冷端集管箱，其中：所述固定孔位于所述支承轴环的圆周内，且尺寸基于所述燃气炉的输入尺寸设置。
6.根据权利要求1所述的冷端集管箱，其中：所述负槽道供给口和所述排放口的尺寸和位置设置成在所述负压力槽道内，以便在所述负压力口处提供所述目标范围。
7.一种炉，包括：
换热器；
燃烧空气引导器，所述燃烧空气引导器设置成产生通过所述换热器的空气流；
压力开关，所述压力开关设置成监测通过所述换热器的燃烧压力；以及
集管箱，所述集管箱设置成在所述换热器和所述燃烧空气引导器之间连接，所述集管箱包括：
固定孔，所述固定孔设置成调节所述空气流；以及
负压力槽道，所述负压力槽道包括：负槽道供给口，所述负槽道供给口与所述燃烧空气引导器的入口连通；负压力口，所述负压力口设置成与所述压力开关的负输入口连接；以及排放口，所述排放口设置成将在所述入口处通过所述负槽道供给口接收的压力降低至在所述负压力口处的目标范围。
8.根据权利要求7所述的炉，其中：所述集管箱还包括：正压力槽道，所述正压力槽道具有正压力口，所述正压力口设置成与所述压力开关的正输入口连接，其中，通过在所述负输入口和所述正输入口处接收的数据测量横过所述固定孔的压力差，所述压力开关监测所述燃烧压力。
9.根据权利要求7所述的炉，其中：所述负槽道供给口和所述排放口的尺寸和位置设置成在所述负压力槽道内，以便在所述负压力口处提供所述目标范围。
10.一种构成炉的方法，包括：
将换热器布置于壳体中；
将鼓风机定位在所述壳体中，其中，所述鼓风机能够使得空气横过所述换热器运动；以及
使得冷端集管箱与所述换热器连接，其中，所述冷端集管箱包括：
固定孔，所述固定孔设置成调节空气流；
负压力槽道，所述负压力槽道包括：负槽道供给口，所述负槽道供给口与燃烧空气引导器的入口连通；负压力口，所述负压力口设置成与压力开关的负输入口连接；以及排放口，所述排放口设置成将在所述入口处通过所述负槽道供给口接收的压力降低至所述负压力口处的目标范围，所述压力开关设置成监测通过所述换热器的燃烧压力。
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