CN102066648A - 烘干机的气阀控制方法 - Google Patents
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Abstract
本发明公开一种烘干机的气阀控制方法,对供应至气体燃烧室的气体量进行控制,该方法包括:检测供应至滚筒内部的热风的温度;检测排出至所述滚筒外部的热风的温度;及根据供应至滚筒内部的热风的温度和排出至所述滚筒外部的热风的温度控制气体燃烧室的气阀。
Description
技术领域
本发明涉及一种烘干机的气阀控制方法,尤其涉及一种控制供应至气体燃烧室的气体量的烘干机的气阀控制方法。
背景技术
一般而言,烘干机用于烘干衣物等洗涤物,在旋转滚筒的同时,向滚筒内部供应热风以烘干洗涤物。此时,热风是通过气阀供应至气体燃烧室内部的气体在气体燃烧室内燃烧所产生的。
在烘干机中,所述热风从洗涤物中吸收水分之后,排出至滚筒外部。
现有技术的烘干机具备气阀以调节气体供应量,所述气阀为利用电磁阀的开放/关闭阀门,通过控制开放/关闭时间调节气体供应量,从而维持烘干温度。即,通过控制气阀的开放/关闭占空比调节气体量。
这里,需要注意的是,以上给出的技术是为帮助理解本发明的背景技术,而不是为了说明与本发明有关的众所周知的现有技术。
现有技术的烘干机中,由于只根据滚筒内部的温度控制气体供应量,因此,接近热风供应部分的洗涤物,会因热风的直接接触而受到损伤。
另外,由于根据滚筒内部的温度通过控制占空比来控制气体供应量,所以很难控制烘干机的发热量。
发明内容
为解决上述技术问题而提出本发明,本发明的一个方面在于提供一种烘干机的气阀控制方法,能够根据滚筒的入口和出口的温度通过控制比例控制阀,来调节供应至气体燃烧室的气体量。
根据本发明的一个方面,公开一种烘干机的气阀控制方法,包括如下步骤:检测供应至滚筒内部的热风的温度;检测排出至所述滚筒外部的热风的温度;及根据供应至滚筒内部的热风的温度和排出至所述滚筒外部的热风的温度控制气体燃烧室的气阀。
较佳地,所述气阀按比例控制气体量。
进一步地,当供应至所述滚筒内部的热风的温度高于或等于入口控制温度,且排出至所述滚筒外部的热风的温度低于阀门关闭控制温度时,降低所述气阀的开放度。
进一步地,每当供应至所述滚筒内部的热风的温度高于或等于入口控制温度,且排出至所述滚筒外部的热风的温度低于阀门关闭控制温度时,将所述气阀的开放度每次降低预置步长并在延迟时间之内维持所述开放度。
进一步地,当供应至所述滚筒内部的热风的温度高于或等于入口控制温度,且排出至所述滚筒外部的热风的温度高于或等于阀门关闭控制温度时,关闭所述气阀。
进一步地,所述气阀被关闭之后,当排出至所述滚筒外部的热风的温度低于或等于阀门开放控制温度时,打开所述气阀。
进一步地,所述气阀以所述气阀关闭时的最终开放度被开放。
进一步地,当排出至所述滚筒外部的热风的温度高于或等于阀门关闭控制温度时,关闭所述气阀。
进一步地,所述气阀被关闭之后,当排出至所述滚筒外部的热风的温度低于或等于阀门开放控制温度时,打开所述气阀。
进一步地,所述气阀以所述气阀关闭时的最终开放度被开放。
如上所述,根据本发明的一个实施例,用户能够轻松地调节烘干机的发热量,并且在不受气体种类限制的情况下,维持烘干机所需的烘干温度。
另外,根据本发明的一个实施例,可防止洗涤物因供应至烘干机入口处的热风而受损。
附图说明
图1为根据本发明实施例的烘干机的气阀控制装置结构框图;
图2为根据本发明实施例的烘干机的气阀控制方法流程图。
具体实施方式
下面,结合附图对本发明实施例烘干机的气阀控制方法进行详细说明。
需要注意的是,附图中所示的线条的厚度或构件的大小等,为说明的明了和便利有可能被夸张表示。另外,此处所用的术语是考虑到本发明的功能来定义的,而这些术语可根据使用者、操作者的意图或惯例有所不同。因此,对这些术语的理解需以本说明书的整体内容为基础。
图1为根据本发明实施例的烘干机的气阀控制装置结构框图。
在根据本发明实施例的烘干机中,气阀控制装置包括:气体燃烧室20,用于燃烧从气嘴(图中未示出)供应的气体;入口温度传感器30,用于检测通过入口供应至滚筒(图中未示出)内部的热风的温度;出口温度传感器40,用于检测通过出口从滚筒排出的热风的温度;阀门驱动部50、60、70,用于操作气阀以调节供应至气体燃烧室20的气体量;控制部10,用于根据入口温度传感器30和出口温度传感器40检测到的温度控制驱动部50、60、70,以调节供应至气体燃烧室20的气体,并用于控制气体燃烧室20通过燃烧气体来加热空气,以供应热风。
尤其是,阀门驱动部50、60、70用于调节供应至气体燃烧室20的气体量,包括:第一气阀驱动部50,用于驱动第一气阀(图中未示出),该第一气阀用于打开或关闭向气体燃烧室20供应气体的通道;第二气阀驱动部60,用于驱动第二气阀(图中未示出),该第二气阀用于打开或关闭向气体燃烧室20供应气体的通道;及比例控制阀驱动部70,用于驱动比例控制阀(图中未示出),该比例控制阀用于按比例控制供应至气体燃烧室20的气体量。
可参考的是,所述烘干机具有调节供应至气体燃烧室20的气体量的气阀,而且,安全起见,所述烘干机通常具备两个气阀,因此,本实施例的气阀在本发明的说明书中也分为第一气阀和第二气阀来进行说明。
因此,在本实施例中,以气阀分为第一气阀、第二气阀及比例控制阀的结构为例进行说明。
但是,需要注意的是,本发明的技术范围不受上述具备第一气阀、第二气阀的情况的限制,也可包括具备至少一个以上气阀的情况。
图2为根据本发明实施例的烘干机的气阀控制方法流程图。
在根据本实施例的烘干机的气阀控制方法中,S10:当用户通过键盘(图中未示出)输入烘干运行信号时,控制部10控制第一气阀驱动部50和第二气阀驱动部60以打开第一气阀和第二气阀。另外,控制部10控制比例控制阀驱动部70打开比例控制阀,而在此情况下,将比例控制阀的开放度调至最大。此外,通过控制气体燃烧室20燃烧气体。
S20:控制部10判断入口温度传感器30检测到的入口温度是否高于或等于入口控制温度。
若入口温度低于入口控制温度,则执行S50:判断出口温度传感器40检测到的出口温度是否高于或等于阀门关闭控制温度。
若出口的温度低于阀门关闭控制温度,则在维持当前状态的情况下,返回执行S20:再次判断入口温度是否高于或等于入口控制温度。
另外,若出口温度传感器40检测到的出口温度高于或等于阀门关闭控制温度,则执行S52:通过控制第一气阀驱动部50、第二气阀驱动部60及比例控制阀驱动部70关闭第一气阀、第二气阀及比例控制阀,从而阻断供应至气体燃烧室20的气体。之所以这样阻断气体供应,是因为即使入口温度低,但滚筒内部的洗涤物也可能会因出口温度高而受到损伤。
若S20中确定入口温度高于或等于入口控制温度,则执行S30:判断出口温度传感器40检测到的出口温度是否高于或等于阀门关闭控制温度。
根据本发明的实施例,在入口温度高于或等于入口控制温度时,判断出口温度是否高于阀门关闭控制温度;在入口温度低于入口控制温度时,仍判断出口温度是否高于阀门关闭控制温度,这是因为,不管入口的温度怎样,出口的温度都可能高于或等于阀门关闭控制温度,或者低于阀门关闭控制温度。换句话说,若滚筒内部洗涤物包含很多水分,则即使入口温度高,出口的温度也有可能低。即,若滚筒内部洗涤物包含少量水分,则即使入口温度低,出口的温度也有可能高。
另外,若出口温度高于或等于阀门关闭控制温度,则执行S60:因处于入口和出口温度过高的状态,通过控制第一气阀驱动部50、第二气阀驱动部60和比例控制阀驱动部70关闭第一气阀、第二气阀及比例控制阀。从而阻断向气体燃烧室20供应的气体。
尤其是,因阀门关闭控制温度根据用户设置决定,如根据用户所设置的烘干时间、洗涤物种类和数量或类似条件而将阀门关闭控制温度确定为各种情况。所述用户设置还可应用于后述的阀门开放温度的情况。
另外,若S30确定出口温度传感器40检测到的出口温度低于阀门关闭控制温度,则执行S40:通过控制比例控制阀驱动部70将比例控制阀的开放度降低预置步长,如降低一个步长,以减少供应至气体燃烧室20的气体量,接着执行S42:监测延迟时间是否结束。
在此,之所以降低比例控制阀的开放度,是因为即使出口温度低于阀门关闭控制温度,但接近入口处的洗涤物可能会在入口温度高于或等于入口控制温度时因过度热风而受损。
此时,若延迟时间结束,则返回执行S20:判断入口温度是否高于或等于入口控制温度,并执行其后的上述操作。也就是说,每当入口温度高于或等于入口控制温度,且出口温度低于阀门关闭控制温度时,将比例控制阀的开放度每次降低一个步长,以减少供应至气体燃烧室的气体量,从而防止入口温度过度升高。
另外,在S60、S52通过确定出口温度高于或等于阀门关闭控制温度而控制第一气阀驱动部50、第二气阀驱动部60及比例控制阀驱动部70将第一气阀、第二气阀及比例控制阀关闭之后,执行S70:判断出口温度传感器40检测到的出口温度是否低于或等于阀门开放控制温度。此时,若出口温度超过阀门开放控制温度,则重复判断出口温度传感器40检测到的出口温度是否低于或等于阀门开放控制温度的操作。
在此过程中,既然不向气体燃烧室20供应气体,滚筒也就得不到热风的供应。因此,出口温度将逐渐降低,并最终达到或接近阀门开放控制温度。
因此,当出口温度达到或接近阀门开放控制温度,则执行S80:通过控制第一气阀驱动部50、第二气阀驱动部60和比例控制阀驱动部70开放第一气阀、第二气阀及比例控制阀。这样,比例控制阀驱动部70将比例控制阀的开放度调至最终开放度,该最终开放度是比例控制阀关闭时的开放度。
之后,返回执行操作:判断入口温度是否高于或等于入口控制温度,并重复执行其后的上述操作。在上述过程中,例如,若超过执行烘干操作的烘干时间或满足停止烘干操作的条件,如洗涤物的烘干度达到要求等类似条件,则通过控制第一气阀驱动部50、第二气阀驱动部60和比例控制阀驱动部70阻断供应至气体燃烧室20的气体,并停止滚筒的旋转以停止烘干操作。由于这是本领域技术人员容易实现的内容,因此,在此不再赘述。
如上所述,本发明实施例的烘干机的气阀控制方法,不仅基于出口的温度,而且还基于向滚筒内部供应热风的入口温度来控制阀门,因此,即使为达到相同发热量而燃烧不同量的气体如液化石油气体(LPG)、液化天然气(LNG)等,也能将烘干温度维持在预置温度。尽管结合附图及实施例对本发明进行了说明,上述实施例仅用以说明本发明而非限制,本领域的普通技术人员应当理解,可以对本发明进行修改、变形或者等同替换,而不脱离本发明的精神和范围,其均应涵盖在本发明的权利要求范围当中。
Claims (10)
1.一种烘干机的气阀控制方法,其特征在于,包括如下步骤:
检测供应至滚筒内部的热风的温度;
检测排出至所述滚筒外部的热风的温度;及
根据供应至滚筒内部的热风的温度和排出至所述滚筒外部的热风的温度控制气体燃烧室的气阀。
2.根据权利要求1所述的烘干机的气阀控制方法,其特征在于,所述气阀按比例控制气体量。
3.根据权利要求2所述的烘干机的气阀控制方法,其特征在于,当供应至所述滚筒内部的热风的温度高于或等于入口控制温度、且排出至所述滚筒外部的热风的温度低于阀门关闭控制温度时,降低所述气阀的开放度。
4.根据权利要求2所述的烘干机的气阀控制方法,其特征在于,每当供应至所述滚筒内部的热风的温度高于或等于入口控制温度、且排出至所述滚筒外部的热风的温度低于阀门关闭控制温度时,将所述气阀的开放度每次降低预置步长并在延迟时间之内维持所述开放度。
5.根据权利要求2所述的烘干机的气阀控制方法,其特征在于,当供应至所述滚筒内部的热风的温度高于或等于入口控制温度、且排出至所述滚筒外部的热风的温度高于或等于阀门关闭控制温度时,关闭所述气阀。
6.根据权利要求5所述的烘干机的气阀控制方法,其特征在于,所述气阀被关闭之后,当排出至所述滚筒外部的热风的温度低于或等于阀门开放控制温度时,打开所述气阀。
7.根据权利要求6所述的烘干机的气阀控制方法,其特征在于,所述气阀以所述气阀关闭时的最终开放度被开放。
8.根据权利要求2所述的烘干机的气阀控制方法,其特征在于,当排出至所述滚筒外部的热风的温度高于或等于阀门关闭控制温度时,关闭所述气阀。
9.根据权利要求8所述的烘干机的气阀控制方法,其特征在于,所述气阀被关闭之后,当排出至所述滚筒外部的热风的温度低于或等于阀门开放控制温度时,打开所述气阀。
10.根据权利要求9所述的烘干机的气阀控制方法,其特征在于,所述气阀以所述气阀关闭时的最终开放度被开放。
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US7814867B2 (en) * | 2008-02-26 | 2010-10-19 | Ex-Tar Technologies, Inc. | Reaction chamber for a direct contact rotating steam generator |
KR101385101B1 (ko) * | 2008-06-27 | 2014-04-15 | 동부대우전자 주식회사 | 가스식 건조기의 밸브 제어 방법 |
-
2008
- 2008-06-27 KR KR1020080061335A patent/KR101385101B1/ko active IP Right Grant
-
2009
- 2009-06-23 EP EP20090770370 patent/EP2325380B1/en not_active Not-in-force
- 2009-06-23 WO PCT/KR2009/003380 patent/WO2009157698A2/ko active Application Filing
- 2009-06-23 CN CN2009801234367A patent/CN102066648B/zh not_active Expired - Fee Related
- 2009-06-24 US US12/490,700 patent/US8091252B2/en not_active Expired - Fee Related
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103835108A (zh) * | 2012-11-21 | 2014-06-04 | Lg电子株式会社 | 具有热风供给装置的衣物处理装置 |
CN103217010A (zh) * | 2013-04-08 | 2013-07-24 | 上海烟草集团有限责任公司 | 物料烘缸设备的控制系统 |
CN103217010B (zh) * | 2013-04-08 | 2015-05-20 | 上海烟草集团有限责任公司 | 物料烘缸设备的控制系统 |
CN107923117A (zh) * | 2015-09-09 | 2018-04-17 | 青岛海尔洗衣机有限公司 | 干衣机 |
WO2017041712A1 (zh) * | 2015-09-09 | 2017-03-16 | 青岛海尔洗衣机有限公司 | 干衣机 |
US10544541B2 (en) | 2015-09-09 | 2020-01-28 | Qingdao Haier Drum Washing Machine Co., Ltd. | Clothes dryer |
CN107923117B (zh) * | 2015-09-09 | 2020-06-30 | 青岛胶南海尔洗衣机有限公司 | 干衣机 |
CN107447467A (zh) * | 2016-05-30 | 2017-12-08 | 林内株式会社 | 干衣机 |
CN107447464A (zh) * | 2016-05-30 | 2017-12-08 | 林内株式会社 | 干衣机 |
CN107447467B (zh) * | 2016-05-30 | 2021-03-19 | 林内株式会社 | 干衣机 |
CN107447464B (zh) * | 2016-05-30 | 2021-07-06 | 林内株式会社 | 干衣机 |
CN109423874A (zh) * | 2017-08-25 | 2019-03-05 | 林内株式会社 | 干衣机 |
CN109423874B (zh) * | 2017-08-25 | 2022-09-13 | 林内株式会社 | 干衣机 |
CN114322532A (zh) * | 2022-01-19 | 2022-04-12 | 江苏川岛洗涤机械科技有限公司 | 一种燃气烘干机自动化烘干控制工艺 |
Also Published As
Publication number | Publication date |
---|---|
KR101385101B1 (ko) | 2014-04-15 |
EP2325380A4 (en) | 2013-05-29 |
WO2009157698A3 (ko) | 2010-03-25 |
US20090320927A1 (en) | 2009-12-31 |
WO2009157698A2 (ko) | 2009-12-30 |
EP2325380A2 (en) | 2011-05-25 |
US8091252B2 (en) | 2012-01-10 |
EP2325380B1 (en) | 2015-03-25 |
KR20100001435A (ko) | 2010-01-06 |
CN102066648B (zh) | 2012-10-03 |
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