CN105814436B - 生物传感器和具有该生物传感器的空气净化器 - Google Patents

生物传感器和具有该生物传感器的空气净化器 Download PDF

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CN105814436B
CN105814436B CN201480067809.4A CN201480067809A CN105814436B CN 105814436 B CN105814436 B CN 105814436B CN 201480067809 A CN201480067809 A CN 201480067809A CN 105814436 B CN105814436 B CN 105814436B
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CN105814436A (zh
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尹星镇
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Coway Co Ltd
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Abstract

本发明提供一种生物传感器以及具有该生物传感器的空气净化器，该生物传感器可测量室内生物气溶胶的浓度，所述测量通过传感被生物气溶胶散射的紫外光的光学传感方法来进行。该生物传感器包括光辐照器和紫外光传感器，该紫外光传感器用于检测散射的紫外光，所述散射的紫外光来自光辐照器发出并被生物气溶胶反射的光。该生物传感器可通过光学传感方法实时测量室内生物气溶胶的浓度，该测量使用被生物气溶胶散射的一定波长的紫外光，并且可基于测量的生物气溶胶浓度和测量的尘埃粒子浓度使空气净化器在合适的条件下运转。

Description

生物传感器和具有该生物传感器的空气净化器
技术领域
本公开涉及生物传感器和具有该生物传感器的空气净化器，更具体而言，涉及可测量室内空气中生物气溶胶的浓度的生物传感器，该测量通过传感被生物气溶胶散射的紫外光的光学传感方法来进行，还涉及利用该生物传感器的空气净化器。
背景技术
通常，使用光学传感器的空气净化器基于与尘埃粒子的浓度相对应的电信号来运转。
光学传感器的原理为：光发射装置在空气流中发出光并通过光发射装置和检测器所在的空间；检测器检测发出的光中所包含的被尘埃粒子散射或反射的发出的光的量；检测尘埃粒子的浓度。
与此同时，由生物气溶胶引起的室内空气污染最近得到了关注。
然而，用于测量生物气溶胶浓度的室内空气质量测量方法包括下述方法：用空气采样器抽取空气以使被抽取的空气流向含有介质的皮氏培养皿(Petri dish)，从而生物气溶胶可粘附在介质上，然后将生物气溶胶培养多天。
此种室内空气质量测量方法具有高精确度，但是需要消耗大量时间以测量生物气溶胶的浓度，因此可能无法与空气净化系统连接。
发明内容
技术问题
本公开的一个方面可提供一种生物传感器，该传感器可实时测量室内生物气溶胶的浓度，还提供具有该生物传感器的空气净化器。
技术方案
根据本公开的一个方面，生物传感器可包括：光辐照器；用于检测散射的紫外光的紫外光传感器，所述散射的紫外光来自光辐照器发出并被生物气溶胶反射的光。
所述紫外光传感器可将检测到的紫外光的量转换为电信号。
所述光可以是激光束。
可对所述紫外光传感器进行配置以检测波长为300nm-360nm的光。
所述生物传感器还可包含散射光传感器，所述散射光传感器用于检测散射光并将检测到的散射光的量转换为电信号，所述散射光来自光辐照器发出并被尘埃粒子反射的光。
所述生物传感器还可包含通道部分，所述通道部分包括位于其内部的光辐照器和紫外光传感器，还包括气流通路，所述气流通路使室外空气流动并移动至其内部。
所述通道部分可包括按垂直方向配置以使流动的室外空气向上移动的空气流通路，并可包括位于所述通道部分的较低一侧并用于加热在通道部分中流动的室外空气的空气加热器。
根据本公开的另一个方面，所述空气净化器可包括：外壳；位于外壳内部的送风机，所述送风机以一定的方式使得空气移动，从而使得室外空气可流入外壳内并可被排出；位于外壳内部的灭菌器，该灭菌器对外壳内流动的空气进行灭菌；控制送风机和灭菌器的控制器；和生物传感器，该生物传感器包括光辐照器和紫外光传感器，所述紫外光传感器用于检测散射紫外光并将检测到的数值转换为电信号，所述散射紫外光来自光辐照器发出并被生物气溶胶反射的光，该生物传感器还包括散射光传感器，该散射光传感器用于检测散射光并将检测到的数值转换为电信号，所述散射光来自光辐照器发出并被尘埃粒子反射的光，其中，所述控制器基于紫外光传感器和散射光传感器检测到的数值对送风机和灭菌器的运转进行控制。
所述控制器可根据紫外光传感器是否检测到紫外光的存在来控制是否运转所述灭菌器。
所述控制器可在所述紫外光传感器检测到波长为300nm-360nm的紫外光时使所述灭菌器运转。
所述控制器可根据散射光传感器是否检测到散射光的存在来控制所述送风机以增加或减少空气的吸入。
所述控制器可在所述散射光传感器检测到波长大于10μm的散射光时增加送风机的空气吸入。
所述控制器可在所述散射光传感器检测到波长为10μm以下的散射光时减少送风机的空气吸入。
所述灭菌器可包括紫外光产生器、离子发生器和臭氧发生器中的至少一种。
所述控制器可基于紫外光传感器检测到的数值来控制加湿器的加湿操作和除湿器的除湿操作。
所述空气净化器还可包括安装在外壳内流动的空气的气流通路中的空气净化过滤器。
有益效果
根据本公开的一个示例性实施方式，生物传感器可通过光学传感方法实时测量室内生物气溶胶的浓度，该测量使用被生物气溶胶散射的一定波长的紫外光，并且可基于测量的生物气溶胶浓度和测量的尘埃粒子浓度使空气净化器在合适的条件下运转。
附图说明
图1是说明根据本公开的示例性实施方式的生物传感器的配置的示意图；和
图2是说明根据本公开的示例性实施方式的空气净化器的配置的示意图。
最佳发明实施方式
本文所用的术语仅仅用来描述具体的实施方式，而不是用于限制本公开。
另外，单数形式的“一个”，“一种”和“该”也包括复数的指代物，除非文本中有另外的明确表示。
下面将结合附图对本发明的示例性实施方式进行详细描述。
首先参照图1，将描述根据本公开的示例性实施方式的生物传感器。
此处，图1是说明根据本公开的示例性实施方式的生物传感器的配置的示意图。
如图1所示，根据本公开的示例性实施方式的生物传感器100可包括通道部分110，光辐照器120，紫外光传感器130和散射光传感器140，还可包括位于通道部分110的入口侧的空气加热器150。
所述通道部分110可包括气流通路，通过该气流通路，室外空气可流动和移动。
通道部分110可包括光辐照器120，紫外光传感器130，散射光传感器140和以下描述的位于通道部分110内部的空气加热器150。
根据一个示例性实施方式，通道部分110可包括管状的组件，空气可通过该组件流至该组件的一侧并可被排放至该组件的另一侧，但是并不受限于此。
光辐照器120可对在通道部分110内部流动的空气发出光。
可对光辐照器120进行配置以发光，所述光可被辐照至生物气溶胶(例如尘埃粒子和细菌)以产生散射光。
根据一个示例性实施方式，可将所述光辐照器120配置成激光扫描装置，以发出激光束作为所述的光。
作为参照，因为激光束是准直光，所以激光束可具有线性，从而激光束可不在其传播方向上散开，因此所述激光束可对非常小区域的尘埃粒子、气溶胶和生物气溶胶施加高能量。
因此，如上所述，可优选将光辐照器120配置为发出激光束的形式，但是不受限于此，并可配置成可发出任意类型的光的光源装置的形式。
所述紫外光传感器130可检测所述散射紫外光，所述散射紫外光来自光辐照器120发出并被生物气溶胶反射的光。
作为参照，当光被生物气溶胶反射时，可产生如下现象：紫外光被散射，以及光被简单折射而散射。
因此，紫外光传感器130可检测被生物气溶胶散射的紫外光，以测量生物气溶胶的浓度。
根据一个示例性实施方式，紫外光传感器130可配置为如下形式：对波长为300nm-360nm的光具有优良的灵敏性，以响应被生物气溶胶散射的一定波长的紫外光，所述生物气溶胶例如有大肠杆菌(E.coli)或枯草芽孢(substilus)，但不受限于此。
作为参照，当向尘埃粒子、气溶胶和生物气溶胶发出光时，尘埃粒子可使波长为10μm以上的光散射，气溶胶可使波长小于10μm的光散射，生物气溶胶可使波长为300nm-360nm的紫外光散射。
另外，紫外光传感器130可将检测到的紫外光的量转换为电信号，并可将电信号传输至外部元件。此处，外部元件可以是根据本公开的示例性实施方式的空气净化器200中的控制器270，将参照图2对其进行描述。
所述散射光传感器140可检测散射光，所述散射光来自光辐照器120发出且被尘埃粒子反射的光。
所述散射光传感器140并不特别受限于此，并可配置成广泛已知的各种类型的可见光传感器。
所述散射光传感器140可检测被尘埃粒子散射的光，以测量尘埃粒子的浓度。
所述散射光传感器140可将检测到的散射光的量转换为电信号，并可将电信号传输至外部元件。此处，外部元件可以是根据本公开的示例性实施方式的空气净化器200中的控制器270，将参照图2对其进行描述。
空气加热器可位于通道部分110的入口一侧，例如，位于空气流过的所述一侧，以加热通道部分110中流动的空气。
此处，通道部分110可包括以垂直方向形成的空气流通路，从而流动的空气可向上移动，如图1所示。
此处，空气加热器150可安装于通道部分110的较低一侧，以加热流至通道部分110的较低一侧的空气。
空气加热器150可加热从通道部分110的入口一侧流入的空气，并且在通道部分110中被加热的空气可通过自然对流向上移动。
这可使紫外光传感单元130和散射光传感单元140能够以下述状态测量生物气溶胶和尘埃粒子的浓度：室内空气通过自然对流移动而不被浓缩，即在接近室内环境的条件下。
如此，根据本公开的示例性实施方式的生物传感器100可实时测量室内空气中的生物气溶胶和尘埃粒子的浓度，所述测量通过上述光学传感方法进行，具体而言，通过传感被生物气溶胶散射的紫外光的方法进行测量。
然后参照图2，将描述根据本公开的示例性实施方式的空气净化器。此处，图2是说明根据本公开的示例性实施方式的空气净化器的配置的示意图。
如图2所示，根据本公开的示例性实施方式的生物传感器200可包括外壳210，送风机220，灭菌器230，控制器270和生物传感器100，还可包括除湿器240，加湿器250和空气净化过滤器260。
所述外壳210可形成根据本公开的示例性实施方式的空气净化器200的外观，并且可包括内部空间，所述内部空间可具有将在下文中描述的送风机220、灭菌器230、控制器270、除湿器240、加湿器250和空气净化过滤器260。
另外，尽管未进行说明，但是外壳210可包括位于该外壳一侧的空气入口和位于该外壳另一侧的空气出口，并且可配置成下述形式：通过后述的送风机220的运转使空气能够通过空气入口流入外壳210，并能够通过空气出口排放至外部。
送风机220可位于外壳210的内部，并且可使空气移动，从而室外空气可流入外壳210并可从外壳210进行排放。
根据一个示例性实施方式，送风机220可包括一个风扇和一个驱动电动机，并且可对送风机进行配置以通过控制驱动电动机的转数来调节空气体积。
灭菌器230可位于外壳210内部，该灭菌器230可对外壳210内流动的空气进行灭菌。
灭菌器230无特别限制，并可被配置成下述装置：可通过电源控制来控制灭菌器的运转，还可调节灭菌功率。
作为示例，所述灭菌器230可包括紫外光产生器、离子发生器和臭氧发生器中的至少一种。
控制器270可控制送风机220的运转和空气体积，并可调节施加于灭菌器230的功率。
控制器270可与下述生物传感器100的紫外光传感单元130和散射光传感器140连接，以基于紫外光传感单元130和散射光传感器140检测的数值对送风机220和灭菌器230进行控制。
生物传感器100可包括通道部分110，光辐照器120，紫外光传感器130，散射光传感器140和空气加热器150，并且可与参照图1的上述生物传感器100基本相同。
在这种情况下，紫外光传感器130和散射光140可被配置成下述形式：将检测的数值转换为电信号并将所述电信号传输至控制器270。
更详细而言，紫外光传感器130可被配置成下述形式：检测被通道部分110中流动的生物气溶胶反射的散射紫外光的量，将检测的散射紫外光的量转换为电信号，并将电信号传输至控制器270。
另外，散射光传感器140可被配置成下述形式：检测被通道部分110中流动的尘埃粒子反射的散射光的量，将检测的散射光的量转换为电信号，并将电信号传输至控制器270。
根据一个示例性实施方式，生物传感器100可被配置成与外壳210分离的形式，也可被配置成位于外壳210外部的形式。
加湿器250可位于外壳210内部，并可对外壳210内的空气流进行加湿。
加湿器250无特别限制，并可被配置成各种类型的加湿单元，例如加湿过滤器型，超声波振动型和加热型，但是不受限于此。
根据一个示例性实施方式，加湿器250可包含超声波振动型和加热型中的任一种，其中可通过控制器270对加湿器250的加湿操作进行动态控制。
除湿器240可位于外壳210内部，并可对外壳210内流动的空气进行除湿。
除湿器240无特别限制，并可被配置成各种类型的除湿单元，例如除湿过滤器型，冷冻循环型和干燥剂型，但是不受限于此。
根据一个示例性实施方式，除湿器240可包含冷冻循环型和干燥剂型中的任一种，其中可通过控制器270对除湿器240的除湿操作进行动态控制。
空气净化过滤器260可安装在外壳210中流动的空气的气流通路中，以对通过气流通路的空气进行净化。
同时，根据本公开的示例性实施方式的空气净化器200中，控制器270可根据紫外光传感器130是否检测到紫外光的存在来使所述灭菌器230运转。
更具体而言，在紫外光传感器130检测到紫外光的情况下，室内空气中可能含有生物气溶胶。控制器270可从紫外光传感器130接收电信号，以使灭菌器230和送风机220运转，从而对室内空气进行灭菌。
根据一个示例性实施方式，控制器270可在所述紫外光传感器130检测到波长为300nm-360nm的紫外光时使灭菌器230运转。此时，为了使室内空气被根据本公开的示例性实施方式的空气净化器200循环，控制器270可在使灭菌器230运转的同时使送风机220运转。
另外，控制器270可根据散射光传感器140是否检测到散射光的存在来增加或减少送风机220的空气吸入。
更具体而言，在散射光传感器140检测到散射光的情况下，室内空气中可能含有尘埃粒子。控制器270可从散射光传感器140接收电信号，以增加送风机220的空气体积，从而根据本公开的示例性实施方式的空气净化器200可将室内空气净化至高水平(高空气体积)。
根据一个示例性实施方式，当散射光传感器140检测到波长大于10μm的散射光时，控制器270可增加送风机220中的驱动电动机的转数以增加送风机220的空气吸入。
相反地，所述控制器270可在所述散射光传感器140检测到波长为10nm以下的散射光时减少送风机220的空气吸入。
当紫外光传感器130检测到紫外光且散射光传感器140检测到散射光时，控制器270可使灭菌器230运转，并可增加送风机220的空气体积，从而室内空气可具有高水平灭菌和清洁度。
同时，室内空气中生物气溶胶的存在可能表明室内空气非常潮湿或非常干燥。当紫外光传感器130检测到大量的紫外光时，控制器270可控制加湿器250的加湿操作和除湿器240的除湿操作，以将室内湿度控制为对生物气溶胶的生长不友好的环境。
例如，当紫外光传感器130检测到紫外光时，控制器270可使除湿器240和加湿器250运转，从而室内相对湿度可以是40％-60％。
虽然上文已经显示和描述了本公开的示例性施方式，但是对本领域技术人员显而易见的是，在不背离所附权利要求限定的本发明的范围的情况下可以进行各种修改和变化。

Claims (6)

1.一种空气净化器，其包含：
外壳；
位于外壳内部的送风机，所述送风机以如下方式使空气移动：室外空气流入外壳内并被排出；
位于外壳内部的灭菌器，该灭菌器对外壳内流动的空气进行灭菌；
控制所述送风机和灭菌器的控制器；和
生物传感器，该生物传感器包括：光辐照器；紫外光传感器，其用于检测散射紫外光并将检测到的数值转换为电信号，所述散射紫外光是来自光辐照器发出并被生物气溶胶反射的激光束；散射光传感器，其用于检测散射光并将检测到的数值转换为电信号，所述散射光来自光辐照器发出，并被尘埃粒子反射的光，
其中，所述控制器基于紫外光传感器和散射光传感器检测到的数值对送风机和灭菌器的运转进行控制，
其中，所述控制器根据紫外光传感器是否检测到紫外光的存在来控制是否运转所述灭菌器，
其中，所述控制器根据散射光传感器检测到的散射光的波长来控制所述送风机以增加或减少空气的吸入，
其中，所述控制器在所述散射光传感器检测到波长大于10μm的散射光时增加送风机的空气吸入，
其中，所述控制器在所述散射光传感器检测到波长为10μm以下的散射光时减少送风机的空气吸入，
其中，所述控制器在所述紫外光传感器检测到波长为300nm-360nm的紫外光时使所述灭菌器运转。
2.如权利要求1所述的空气净化器，其特征在于，所述灭菌器包括紫外光产生器、离子发生器和臭氧发生器中的至少一种。
3.如权利要求1所述的空气净化器，其还包括：
位于外壳内部的加湿器，该加湿器对外壳内流动的空气进行加湿；和
位于外壳内部的除湿器，该除湿器对外壳内流动的空气进行除湿，
其中，所述控制器基于紫外光传感器检测到的数值来控制加湿器的加湿操作和除湿器的除湿操作。
4.如权利要求1所述的空气净化器，其特征在于，还包括安装在外壳内流动的空气的气流通路中的空气净化过滤器。
5.如权利要求1所述的空气净化器，其特征在于，所述生物传感器还包含通道部分，所述通道部分包括位于通道部分内部的光辐照器和紫外光传感器，也包括气流通路，所述气流通路使室外空气能够流入内部并移动。
6.如权利要求5所述的空气净化器，其特征在于，所述通道部分包括按垂直方向配置以使流动的室外空气向上移动的气流通路，还包括位于所述通道部分的较低一侧并用于加热在通道部分中流动的空气的空气加热器。
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