CN202267134U - Gas heating stove - Google Patents
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Abstract
一种燃气暖炉,包含一个控制器,具有从外部给予命令信号的指令部,及接收指令部所给的信号并加以执行的控制部;一个燃烧器组,由多个燃烧器排列组成;一个点火感应电极,接收控制部来的指令,以产生火花及职司火焰感应的功能;一个母火嘴,紧邻其中一个燃烧器,并与点火感应电极保持一个间隙;及一个控制阀组,具有多个控制阀接收控制部的指令而作动,并通过一个输送系统向母火嘴及燃烧器组供气。如此,可以产生至少两段火力,可以有效扩大热能覆盖面积,提高热能利用效率。
A gas heater includes a controller having an instruction unit that gives command signals from the outside, and a control unit that receives the signals given by the instruction unit and executes them; a burner group consisting of a plurality of burners arranged in an array; an ignition induction electrode that receives instructions from the control unit to generate sparks and perform flame induction functions; a mother burner that is adjacent to one of the burners and maintains a gap with the ignition induction electrode; and a control valve group having a plurality of control valves that receive instructions from the control unit and are actuated, and supplying gas to the mother burner and the burner group through a delivery system. In this way, at least two stages of firepower can be generated, which can effectively expand the heat coverage area and improve the heat energy utilization efficiency.
Description
技术领域 technical field
本实用新型涉及一种燃气暖炉,特别是一种具有多个控制阀可向多个燃烧器供气,而产生至少两段火力,以扩大热能覆盖面积,提高热能利用效率的取暖用燃气炉。 The utility model relates to a gas heater, in particular to a gas heater for heating with a plurality of control valves capable of supplying gas to a plurality of burners to generate at least two sections of firepower to expand the coverage area of heat energy and improve the utilization efficiency of heat energy.
背景技术 Background technique
现有燃气暖炉使用的点火装置大致上分成两种:压电式点火装置和电子点火装置。前者使用的点火开关具备节流功能,可以调整火力。但因为压电式点火装置必须用人手转动开关旋钮才能点火,所以燃气器具在操作上并非十分方便,同时也很难精确地产生节流作用,即火力大小不易掌握。 The ignition devices used in existing gas heaters are roughly divided into two types: piezoelectric ignition devices and electronic ignition devices. The ignition switch used in the former has a throttling function, which can adjust the firepower. But because the piezoelectric ignition device must turn the switch knob manually to ignite, it is not very convenient to operate the gas appliance, and it is also difficult to accurately produce a throttling effect, that is, the firepower is not easy to grasp.
至于使用电子点火装置的燃气暖炉,其用以调节流量的方式是利用两个控制阀单独或同时打开而产生三种流量的节流控制,借此可以获得三段火力供应取暖需要。此种燃气暖炉因为使用电子控制,因此在操作和火力调节方面,较使用压电式点火的燃气暖炉方便及精确。 As for gas heaters using electronic ignition devices, the way to adjust the flow rate is to use two control valves to open individually or simultaneously to generate throttling control of three flow rates, thereby obtaining three-stage firepower to supply heating needs. Because this kind of gas heater uses electronic control, it is more convenient and accurate than the gas heater using piezoelectric ignition in terms of operation and firepower adjustment.
然而,不论是使用压电式点火或电子点火的燃气暖炉,都是由唯一的燃烧器产生火焰,因此热能覆盖面积小,热能利用效率低。 However, whether it is a gas heater using piezoelectric ignition or electronic ignition, the flame is generated by the only burner, so the thermal energy coverage area is small and the thermal energy utilization efficiency is low.
发明内容 Contents of the invention
为解决上述问题与缺点,本实用新型的目的在于提供一种改良的燃气暖炉,可以扩大热能覆盖面积,提高热能利用效率。 In order to solve the above-mentioned problems and shortcomings, the purpose of this utility model is to provide an improved gas heater, which can expand the coverage area of heat energy and improve the utilization efficiency of heat energy.
为实现上述目的,本实用新型采取以下技术方案: To achieve the above object, the utility model takes the following technical solutions:
一种燃气暖炉,包含一个控制器,具有从外部给予命令信号的指令部,及接收指令部所给的信号而加以执行的控制部;一个燃烧器组,由多个燃烧器排列组成;一个点火感应电极,接收控制部来的指令,以产生火花及职司火焰感应的功能;一个母火嘴,紧邻其中一个燃烧器,并与点火感应电极保持一个间隙;及一个控制阀组,具有多个控制阀接收控制部的指令而作动,并通过一个输送系统向母火嘴及燃烧器组供气。 A gas heater, comprising a controller, a command unit that gives command signals from the outside, and a control unit that receives and executes the signals given by the command unit; a burner group, composed of a plurality of burner arrays; an ignition The induction electrode receives instructions from the control department to generate sparks and perform flame induction functions; a female burner is adjacent to one of the burners and maintains a gap with the ignition induction electrode; and a control valve group has multiple The control valve is actuated by receiving instructions from the control unit, and supplies air to the main nozzle and the burner group through a delivery system.
所述燃烧器组包含第一、第二和第三燃烧器,所述控制阀组包含母火阀、第一和第二主火阀,所述输送系统包含母火管、第一和第二管路;该母火管的两端分别连接所述母火阀的出气口和母火嘴;所述第一管路的一端连接所述第一主火阀的出气口,另一端设有第一喷嘴向所述第一燃烧器供气;所述第二管路的一端连接所述第二主火阀的出气口,另一端设有第二和第三喷嘴分别向所述第二和第三燃烧器供气。 The burner group includes the first, second and third burners, the control valve group includes the main fire valve, the first and the second main fire valve, and the delivery system includes the main fire pipe, the first and the second pipeline; the two ends of the mother fire pipe are respectively connected to the gas outlet of the mother fire valve and the mother nozzle; one end of the first pipeline is connected to the gas outlet of the first main fire valve, and the other end is provided with a second A nozzle supplies air to the first burner; one end of the second pipeline is connected to the gas outlet of the second main fire valve, and the other end is provided with a second and a third nozzle to supply air to the second and second respectively. Three burner gas supply.
所述燃烧器组包含第一和第二燃烧器,所述控制阀组包含母火阀、第一和第二主火阀,所述输送系统包含母火管、第一和第二管路;该母火管的两端分别连接所述母火阀的出气口和母火嘴;所述第一管路的一端连接所述第一主火阀的出气口,另一端设有第一喷嘴向所述第一燃烧器供气;所述第二管路的一端连接所述第二主火阀的出气口,另一端设有第二喷嘴向所述第二燃烧器供气。 The burner group includes first and second burners, the control valve group includes a main fire valve, first and second main fire valves, and the delivery system includes a main fire pipe, first and second pipelines; The two ends of the mother fire pipe are respectively connected to the gas outlet of the mother fire valve and the mother nozzle; one end of the first pipeline is connected to the gas outlet of the first main fire valve, and the other end is provided with a first nozzle to The first burner supplies air; one end of the second pipeline is connected to the air outlet of the second main fire valve, and the other end is provided with a second nozzle to supply air to the second burner.
所述燃烧器组包含第一、第二和第三燃烧器,所述控制阀组包含母火阀、第一和第二主火阀,所述输送系统包含母火管、第一、第二和第三管路;该母火管的两端分别连接所述母火阀的出气口和母火嘴;所述第一管路的一端连接所述母火阀的出气口,另一端设有第一喷嘴向所述第一燃烧器供气;所述第二管路的一端连接所述第一主火阀的出气口,另一端设有第二喷嘴向所述第二燃烧器供气;所述第三管路的一端连接所述第二主火阀的出气口,另一端设有第三喷嘴向所述第三燃烧器供气。 The burner group includes the first, second and third burners, the control valve group includes the main fire valve, the first and the second main fire valve, and the delivery system includes the main fire pipe, the first, the second and the third pipeline; the two ends of the female fire pipe are respectively connected to the gas outlet of the female fire valve and the female nozzle; one end of the first pipeline is connected to the gas outlet of the female fire valve, and the other end is provided with The first nozzle supplies air to the first burner; one end of the second pipeline is connected to the gas outlet of the first main fire valve, and the other end is provided with a second nozzle to supply air to the second burner; One end of the third pipeline is connected to the gas outlet of the second main fire valve, and the other end is provided with a third nozzle to supply gas to the third burner.
所述燃烧器组包含第一、第二和第三燃烧器,所述控制阀组包含母火阀和第一主火阀,所述输送系统包含母火管、第一和第二管路;该母火管的两端分别连接所述母火阀的出气口和母火嘴;所述第一管路的一端连接所述母火阀的出气口,另一端设有第一喷嘴向所述第一燃烧器供气;所述第二管路的一端连接所述第一主火阀的出气口,另一端设有第二和第三喷嘴分别向所述第二和第三燃烧器供气。 The burner group includes first, second and third burners, the control valve group includes a main fire valve and a first main fire valve, and the delivery system includes a main fire pipe, first and second pipelines; The two ends of the mother fire pipe are respectively connected to the gas outlet of the mother fire valve and the mother nozzle; one end of the first pipeline is connected to the gas outlet of the mother fire valve, and the other end is provided with a first nozzle to the said mother fire valve. Gas supply to the first burner; one end of the second pipeline is connected to the gas outlet of the first main fire valve, and the other end is provided with second and third nozzles to supply gas to the second and third burners respectively .
所述燃烧器组包含第一和第二燃烧器,所述控制阀组包含母火阀和第一主火阀,所述输送系统包含母火管、第一和第二管路;该母火管的两端分别连接所述母火阀的出气口和母火嘴;所述第一管路的一端连接所述母火阀的出气口,另一端设有第一喷嘴向所述第一燃烧器供气;所述第二管路的一端连接所述第一主火阀的出气口,另一端设有第二喷嘴向所述第二燃烧器供气。 The burner group includes first and second burners, the control valve group includes a main fire valve and a first main fire valve, and the delivery system includes a main fire pipe, first and second pipelines; the main fire The two ends of the pipe are respectively connected to the gas outlet of the mother fire valve and the mother nozzle; one end of the first pipeline is connected to the gas outlet of the mother fire valve, and the other end is provided with a first nozzle to the first combustion gas supply to the device; one end of the second pipeline is connected to the gas outlet of the first main fire valve, and the other end is provided with a second nozzle to supply gas to the second burner.
所述控制部在接收小火转中火或中火转小火的命令信号时,使所述当关闭的控制阀延迟一段时间才关闭。 When the control unit receives the command signal of switching from low fire to medium fire or from medium fire to low fire, the closed control valve is delayed for a period of time before closing.
所述控制器又包含一个遥控接收单元。 The controller further includes a remote control receiving unit.
所述输送系统又包含一个引火管,该引火管横跨所述燃烧器组及紧邻母火嘴,并连接所述母火阀的出气口。 The conveying system further includes a fire pipe, which crosses the burner group and is adjacent to the mother fire nozzle, and is connected to the gas outlet of the mother fire valve.
在另一实施例中,该燃气暖炉包含一个控制器,具有从外部给予命令信号的指令部,及接收指令部所给的信号而加以执行的控制部;一个燃烧器组,由多个燃烧器排列组成;一个点火感应电极,紧邻其中一个燃烧器,并接收控制部来的指令,以产生火花及职司火焰感应的功能;及一个控制阀组,具有多个控制阀接收控制部的指令而作动,并通过一个输送系统向燃烧器组供气。 In another embodiment, the gas heater includes a controller with an instruction unit that gives command signals from the outside, and a control unit that receives and executes the signals given by the instruction unit; a burner group consisting of a plurality of burners Arrangement composition; an ignition induction electrode, adjacent to one of the burners, and receives instructions from the control department to generate sparks and perform flame induction functions; and a control valve group, with multiple control valves receiving instructions from the control department actuated and supplies air to the burner bank through a delivery system.
所述燃烧器组包含第一、第二和第三燃烧器,所述控制阀组包含第一和第二主火阀,所述输送系统包含第一和第二管路;所述第一管路的一端连接所述第一主火阀的出气口,另一端设有第一喷嘴向所述第一燃烧器供气;所述第二管路的一端连接所述第二主火阀的出气口,另一端设有第二和第三喷嘴分别向所述第二和第三燃烧器供气。 The burner group includes first, second and third burners, the control valve group includes first and second main fire valves, the delivery system includes first and second pipelines; the first pipe One end of the pipeline is connected to the gas outlet of the first main fire valve, and the other end is provided with a first nozzle to supply gas to the first burner; one end of the second pipeline is connected to the outlet of the second main fire valve The other end of the air port is provided with second and third nozzles to supply air to the second and third burners respectively.
所述燃烧器组包含第一、第二和第三燃烧器,所述控制阀组包含第一、第二和第三主火阀,所述输送系统包含第一、第二和第三管路;所述第一管路的一端连接所述第一主火阀的出气口,另一端设有第一喷嘴向所述第一燃烧器供气;所述第二管路的一端连接所述第二主火阀的出气口,另一端设有第二喷嘴向所述第二燃烧器供气;所述第三管路的一端连接所述第三主火阀的出气口,另一端设有第三喷嘴向所述第三燃烧器供气。 The burner bank includes first, second and third burners, the control valve bank includes first, second and third main fire valves, and the delivery system includes first, second and third lines ; One end of the first pipeline is connected to the gas outlet of the first main fire valve, and the other end is provided with a first nozzle to supply gas to the first burner; one end of the second pipeline is connected to the first The gas outlet of the second main fire valve, the other end is provided with a second nozzle to supply gas to the second burner; one end of the third pipeline is connected to the gas outlet of the third main fire valve, and the other end is provided with a second nozzle Three nozzles feed the third burner.
所述燃烧器组包含第一和第二燃烧器,所述控制阀组包含第一、第二和第三主火阀,所述输送系统包含第一、第二和第三管路;所述第一管路的一端连接所述第一主火阀的出气口,另一端设有第一喷嘴向所述第一燃烧器供气;所述第二管路的一端连接所述第二主火阀的出气口,另一端设有第二喷嘴向所述第二燃烧器供气;所述第三管路的一端连接所述第三主火阀的出气口,另一端连接第二管路向所述第二燃烧器供气。 The burner group includes first and second burners, the control valve group includes first, second and third main fire valves, and the delivery system includes first, second and third pipelines; the One end of the first pipeline is connected to the gas outlet of the first main fire valve, and the other end is provided with a first nozzle to supply gas to the first burner; one end of the second pipeline is connected to the second main fire valve. The gas outlet of the valve, the other end is provided with a second nozzle to supply gas to the second burner; one end of the third pipeline is connected to the gas outlet of the third main fire valve, and the other end is connected to the second pipeline to the gas outlet of the second burner. The second burner is supplied with gas.
所述控制部在接收小火转中火或中火转小火的命令信号时,使所述当关闭的控制阀延迟一段时间才关闭。 When the control unit receives the command signal of switching from low fire to medium fire or from medium fire to low fire, the closed control valve is delayed for a period of time before closing.
所述控制器又包含一个遥控接收单元。 The controller further includes a remote control receiving unit.
所述输送系统又包含一个母火管,该母火管一端连接所述第一主火阀的出气口,另一端设有与所述点火感应电极保持一定间隙的母火嘴,以释出燃气供主火引燃成侦测用母火。 The conveying system further includes a female fire pipe, one end of which is connected to the gas outlet of the first main fire valve, and the other end is provided with a female nozzle with a certain gap with the ignition sensing electrode to release gas For the main fire to ignite into the mother fire for detection.
所述输送系统又包含一个引火管,该引火管横跨所述燃烧器组及紧邻所述点火感应电极,并连接所述第一主火阀的出气口。 The conveying system further includes an ignition pipe, which crosses the burner group and is adjacent to the ignition induction electrode, and is connected to the gas outlet of the first main fire valve.
本实用新型的有益效果是:本实用新型对照惯用燃气暖炉的功效在于,具有多个控制阀可以单独或同步作动,而对一支燃烧器、二支燃烧器或同时对两支以上的燃烧器供气,产生至少两段火力,可以有效扩大热能覆盖面积,提高热能利用效率。 The beneficial effects of the utility model are: the utility model has the effect of the conventional gas heater in that it has a plurality of control valves that can act independently or synchronously, and the combustion of one burner, two burners or more than two burners at the same time Air is supplied by the device to generate at least two stages of firepower, which can effectively expand the coverage area of heat energy and improve the efficiency of heat energy utilization.
至于本实用新型的技术内容及其他目的与特点参照下面配合图式的详细实施例说明即可完全明白。 As for the technical content and other purposes and characteristics of the present utility model, it can be fully understood by referring to the detailed description of the following embodiments in conjunction with the drawings.
附图说明 Description of drawings
图1为本实用新型第一实施例的平面图。 Fig. 1 is a plan view of the first embodiment of the utility model.
图2为本实用新型第二实施例的平面图。 Fig. 2 is a plan view of the second embodiment of the utility model.
图3为本实用新型第三实施例的平面图。 Fig. 3 is a plan view of the third embodiment of the utility model.
图4为本实用新型第四实施例的平面图。 Fig. 4 is a plan view of the fourth embodiment of the utility model.
附图标号:10,10a,10b,10c、燃气暖炉;20、控制器;21、指令部;22、控制部;23、电源键;24、升温键;25、降温键;26、接收单元;30、燃烧器组;31、第一燃烧器;32、第二燃烧器;33、第三燃烧器;40、点火感应电极;50、母火嘴;60、控制阀组;61、阀座;62、母火阀;63、第一主火阀;64、第二主火阀;65、进气口;66、出气口;67、出气口;68、出气口;70、输送系统;71、母火管;72、第一管路;73、第二管路;74、第三管路;75、第一喷嘴;76、第二喷嘴;77、第三喷嘴;78、引火管。 Reference numerals: 10, 10a, 10b, 10c, gas heater; 20, controller; 21, command unit; 22, control unit; 23, power button; 24, temperature rise button; 25, temperature drop button; 26, receiving unit; 30. Burner group; 31. First burner; 32. Second burner; 33. Third burner; 40. Ignition induction electrode; 50. Female nozzle; 60. Control valve group; 61. Valve seat; 62, mother fire valve; 63, first main fire valve; 64, second main fire valve; 65, air inlet; 66, air outlet; 67, air outlet; 68, air outlet; 70, delivery system; 71, 72, the first pipeline; 73, the second pipeline; 74, the third pipeline; 75, the first nozzle; 76, the second nozzle; 77, the third nozzle; 78, the ignition pipe.
具体实施方式 Detailed ways
图1为本实用新型燃气暖炉10的平面图,可供说明本实用新型的技术内容。该燃气暖炉10包含有控制器20、燃烧器组30、点火感应电极40、母火嘴50、控制阀组60、及输送系统70。其中:
Fig. 1 is the plane view of the
控制器20,包含有指令部21及控制部22。指令部21为从外部给予燃气暖炉10命令信号的输入装置,具有一个电源键23,用以启用、关闭燃气暖炉10;一个升温键24,供将火力向上调整之用;及一个降温键25,用以向下调整火力。控制部22判断指令部21来的命令信号,然后对操作对象,即点火感应电极40和控制阀组60发出指令。所述控制器20还可包含一个遥控接收单元26,用来将一个遥控发射器(图未示)发射的资料码解码后传送到控制部22执行,使燃气暖炉10的开、关机及火力调整也可以透过无线遥控方式操作。
The
燃烧器组30,为使燃气和空气作充分混合,促进燃烧反应的装置。在本实施例中,该燃烧器组30由第一燃烧器31、第二燃烧器32和第三燃烧器33排列组成,其可单独或同步燃烧而产生三段火力,此设计较单一燃烧器可以扩大热能覆盖面积,提高热能利用效率。
The
点火感应电极40,接收控制部22来的指令,以产生火花及职司火焰感应的功能。当燃气暖炉10用于室内取暖时,点火感应电极40同时用于缺氧侦测,其作用留待后述,暂且表过。需知,也可分别使用一个点火电极和一个感应电极执行点火及火焰感应工作,此时后者身兼缺氧侦测的任务。
The
母火嘴50,紧邻第一燃烧器31,并与点火感应电极40保持一个适当间隙,以释出燃气供点火感应电极40产生的火花引燃成为母火。
The
控制阀组60,包含有阀座61、母火阀62、第一主火阀63和第二主火阀64。阀座61提供一个燃气通路(图未示),此燃气通路具有一个进气口65以连接燃气源,及三个出气口66,67,68分别受母火阀62和两个主火阀63,64所控制。
The
输送系统70,包含有母火管71、第一管路72、第二管路73及多个喷嘴75-77。母火管71的一端连接母火阀62控制的出气口66,另一端连接母火嘴50,以将母火阀62打开时释出的燃气输送至母火嘴50,供点火感应电极40产生的火花引燃成为母火。第一管路72的一端连接第一主火阀63控制的出气口67,另一端连接第一喷嘴75,以向第一燃烧器31供气。第二管路73的一端连接第二主火阀64控制的出气口68,另一端连接第二喷嘴76和第三喷嘴77,以分别向第二燃烧器32和第三燃烧器33供气。所述第二喷嘴76和第三喷嘴77的孔径和大于第一喷嘴75的孔径,使第一主火阀63打开时可以向第一燃烧器31供应产生小火需要的少量燃气,第二主火阀64打开时向第二和第三燃烧器32,33供应产生中火需要的中量燃气,第一和第二主火阀63,64同步打开时向第一至第三燃烧器31-33供应产生大火需要的大量燃气。
The conveying
当控制部22接收电源键23为On操作的命令信号时,即将此信号加以执行,即一方面命令母火阀62打开,使燃气经由母火管71从母火嘴50释出,一方面供应高压电流至点火感应电极40,使其放电产生火花,以引燃燃气和空气的混合物形成母火,然后点火感应电极40将检出的火焰信号回授控制部22,使控制部22停止输出高压电流至点火感应电极40,同时命令第一主火阀63打开,向第一燃烧器31供气,并由上述母火引燃成小火,供应取暖需要。当按下升温键24时,第一主火阀63关闭,停止向第一燃烧器31供气,第二主火阀64打开,向第二和第三燃烧器32,33供给产生中火需要的燃气。当再次按下升温键24时,第二主火阀64保持在开阀位,第一主火阀63打开,同时向第一至第三燃烧器31-33供应产生大火需要的燃气。反之,按下降温键25时,则可将火力向下调整。
When the
若母火在一定的安全时间内无法点燃时,即自动关闭电源及燃气,此时必须重新开机才能启用。为安全起见,燃气暖炉10设定在小火开机的模式,但也可视需求,而以中火、大火或小火转中火的模式开机。只要变更存入控制部22中的程式,就能改变其开机模式。
If the main fire cannot be ignited within a certain safe time, the power supply and gas will be automatically turned off, and it must be restarted to enable it. For the sake of safety, the
又,当点火感应电极40在母火火焰因周围氧气不足导致阻抗变大或感应不到火焰时,即将此检出信号加到控制部22,自动关闭电源及燃气,确保安全。
Again, when the
为使供应至距离母火较远的第二和第三燃烧器32,33的燃气可以被顺利引燃,因此在较佳的实施例中,该输送系统70进一步包含一个引火管78,此引火管78横跨燃烧器组30及紧邻母火嘴50,并连接母火阀62的出气口66。当点火时,从引火管78释出的燃气也会被母火点燃,以引燃供应至第一至第三燃烧器31-33的燃气。所述母火和引火管78上的火焰将一直保留,供缺氧侦测和引燃目的之用,直到关闭燃气暖炉10为止。
In order to make the gas supplied to the second and
在没有引火管78的情况下,也可在控制部22接收从小火上调为中火的命令信号时,使第一主火阀63延迟一段时间才关闭,以通过第一燃烧器31延迟熄灭的火焰引燃第二燃烧器32,再由第二燃烧器32引燃第三燃烧器33。反之,在控制部22接收从中火下调为小火的命令信号时,则使第二主火阀64延迟关闭,以通过第二和第三燃烧器32,33延迟熄灭的火焰引燃第一燃烧器31。至于中火转大火或大火转中火时,因为第二主火阀64仍保持在开阀位,故无延迟关闭的必要。
In the absence of the
图2显示本实用新型另一不同型式的燃气暖炉10a。本实施例与上述实施例的差异在于其燃烧器组30仅由第一和第二燃烧器31,32组成,其余部分完全相同,因此与上述实施例相同的部分均以相同的符号标示,且先前对于上述实施例的说明也适用于本实施例。在本实施例中,第一管路72通过第一喷嘴75向第一燃烧器31供气,第二管路73经由第二喷嘴76向第二燃烧器32供气,而且第二喷嘴76的孔径大于第一喷嘴75的孔径。如此,可在第一主火阀63打开时,向第一燃烧器31供应产生小火需要的燃气;在第二主火阀64打开时供应第二燃烧器32产生中火需要的燃气;当第一和第二主火阀63,64同步打开时,同时对第一和第二燃烧器31,32供气,以产生相对较大的火力,供应取暖需要。
Fig. 2 shows another different type of
又,在第二实施例的基础下,可以变更控制部22为具有两段火力的控制机能,此时第二喷嘴76的孔径可以小于、等于或大于第一喷嘴75的孔径。于是,当第一主火阀63打开时,可以向第一燃烧器31供应产生小火需要的燃气,第一和第二主火阀63,64同步打开时,则同时对第一和第二燃烧器31,32供气,以产生所要的大火。在本实施例中,第二主火阀64不会单独作动,只会和第一主火阀63同步打开。
Also, on the basis of the second embodiment, the
虽然上述实施例都有一个独立的母火阀62通过母火管71和引火管78供应点火和引火需要的燃气,但也可稍加改变输送系统70,使该母火阀62可以同时向第一燃烧器31供气,也就是兼作主火阀使用。图3为按照上述变化而成的燃气暖炉10b。在本实施例中,燃烧器组30同样由第一、第二和第三燃烧器31,32,33组成,控制阀组60包含母火阀62、第一主火阀63和第二主火阀64,输送系统70包含母火管71、第一管路72、第二管路73和第三管路74。母火管71的两端分别连接母火阀62控制的出气口66和母火嘴50;第一管路72的一端连接母火阀62控制的出气口66,另一端经由第一喷嘴75向第一燃烧器31供气;第二管路73的一端连接第一主火阀63控制的出气口67,另一端通过第二喷嘴76向第二燃烧器32供气;第三管路74的一端连接第二主火阀64控制的出气口68,另一端通过第三喷嘴77向第三燃烧器33供气。本实施例最多可以产生七段火力,附图同样是以小火、中火、大火三段火力例示。
Though above-mentioned embodiment all has an independent
图4为与图3近似的实施例。本实施例所揭示的燃气暖炉10c与第三实施例相较仅缺少第二主火阀64,其中母火阀62供气的对象同为母火嘴50、引火管78和第一燃烧器31,第一主火阀63经由第二管路73的第二和第三喷嘴76,77同时对第二和第三燃烧器32,33供气。如此,也可以产生三段不同大小的火力。本实施例中的第三燃烧器33和第三喷嘴77也可视需求而省略不装。
Fig. 4 is an embodiment similar to Fig. 3 . Compared with the third embodiment, the gas heater 10c disclosed in this embodiment only lacks the second
此外,图1至图4所揭示的燃气暖炉10,10a,10b,10c都是先点燃母火,利用母火引燃从引火管78释出的燃气,再由引火管78的火焰引燃供应至燃烧器组30的燃气,形成主火;至于没有引火管78的实施例,则可利用上述主火阀延迟关闭的手段引燃主火。但本实用新型也可将上述先点母火的实施例稍作变化,形成直接点燃主火的燃气暖炉,例如:省略图3的母火管71和母火嘴50,即能以点火感应电极40产生的火花直接引燃引火管78的燃气,再利用该引火管78的火焰引燃供应至燃烧器组30的燃气,产生取暖需要的主火。按照相同的原理,还可从上述先点母火的实施例推论得到直点主火的其它不同实施例。因为直点主火的实施例是以先点母火的实施例的图式权代之,故上述母火阀62、第一主火阀63和第二主火阀64在直点主火的实施例中,其对应名称分别为第一主火阀、第二主火阀和第三主火阀,并此说明。又,如果直点主火的燃气暖炉要和先点母火的实施例一样,有常驻母火可供点火感应电极40进行缺氧侦测之用,则可保留先前被省略的母火管71和母火嘴50,该母火管71连接第一主火阀62控制的出气口66,以便在母火嘴50提供一个侦测用母火,使点火感应电极40在该侦测用母火火焰因周围氧气不足导致阻抗变大或感应不到火焰时,可将此检出信号加到控制部22,自动关闭电源及燃气,确保安全。直点主火的燃气暖炉在具备母火管71及/或引火管78的状态下,无论炉火调整于任何火力,第一主火阀62始终保持在开阀位,以持续向母火管71和引火管78供气。同样的,直点主火的燃气暖炉也可如上述,为了省略引火管78,在小火转中火或中火转小火时,使该当关闭的主火阀延迟一段时间才关闭,以利用稍后才熄火的燃烧器引燃其它燃烧器。
In addition, the
当然,上述实施例可在不脱离本实用新型的范围下加以若干变化,故以上的说明所包含及附图中所示的全部事项应视为例示性,而非用以限制本实用新型的申请专利范围。 Of course, the above-mentioned embodiments can be changed without departing from the scope of the present utility model, so all matters contained in the above description and shown in the accompanying drawings should be regarded as illustrative rather than limiting the application of the present utility model patent scope.
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CN104214817A (en) * | 2014-08-26 | 2014-12-17 | 宁波福马工具有限公司 | Portable gas heater |
CN112535416A (en) * | 2020-12-01 | 2021-03-23 | 江苏九晖科技有限公司 | Multi-controller synchronous or asynchronous ignition gas oven |
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CN104214817A (en) * | 2014-08-26 | 2014-12-17 | 宁波福马工具有限公司 | Portable gas heater |
CN104214817B (en) * | 2014-08-26 | 2017-01-25 | 宁波福马工具有限公司 | Portable gas heater |
CN112535416A (en) * | 2020-12-01 | 2021-03-23 | 江苏九晖科技有限公司 | Multi-controller synchronous or asynchronous ignition gas oven |
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