JP7205128B2 - Fluid sterilizer - Google Patents

Fluid sterilizer Download PDF

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JP7205128B2
JP7205128B2 JP2018176548A JP2018176548A JP7205128B2 JP 7205128 B2 JP7205128 B2 JP 7205128B2 JP 2018176548 A JP2018176548 A JP 2018176548A JP 2018176548 A JP2018176548 A JP 2018176548A JP 7205128 B2 JP7205128 B2 JP 7205128B2
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channel
fluid
light source
storage chamber
chamber
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JP2020044515A (en
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剛雄 加藤
貴則 越智
公人 櫻井
幸信 中川
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Toshiba Lighting and Technology Corp
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Description

本発明の実施形態は、流体殺菌装置に関する。 Embodiments of the present invention relate to fluid disinfection devices.

光源となる発光素子が発する紫外線を、例えば、水、気体等の流体が流れる流路部材の流路内へ照射することで、流体を殺菌する流体殺菌装置が知られている。この種の流体殺菌装置では、光源として、紫外線を発するＬＥＤ（Light Emitting Diode）が収容される光源収容室と、ＬＥＤの発熱を抑制するための冷却水路が光源収容室の周囲に形成されているものがある。 2. Description of the Related Art Fluid sterilization apparatuses are known that sterilize fluids by irradiating ultraviolet rays emitted by light-emitting elements serving as light sources into flow paths of flow path members in which fluids such as water and gas flow. In this type of fluid sterilizer, a light source housing chamber for housing an LED (Light Emitting Diode) that emits ultraviolet light as a light source, and a cooling water channel for suppressing heat generation of the LED are formed around the light source housing chamber. there is something

特開２０１４－２３３６４６号公報JP 2014-233646 A

ところで、光源収容室に比べて冷却水路を流れる流体や殺菌する流体の温度が低い場合、光源収容室や流体を殺菌する処理室に結露が発生するおそれがある。このため、光源の故障や処理室における殺菌性能劣化が懸念される。 By the way, if the temperature of the fluid flowing through the cooling water channel or the fluid to be sterilized is lower than that of the light source housing chamber, condensation may occur in the light source housing chamber or the processing chamber for sterilizing the fluid. For this reason, there are concerns about malfunction of the light source and deterioration of sterilization performance in the processing chamber.

本発明が解決しようとする課題は、殺菌性能を維持することができる流体殺菌装置を提供することである。 A problem to be solved by the present invention is to provide a fluid sterilizer that can maintain sterilization performance.

実施形態に係る流体殺菌装置は、流路収容室と、光源収容室と、冷却水路とを具備する。前記流路収容室は、流体を流すための流路管と前記流路管の外周に設けられ前記流路管に向かって紫外線を反射する反射板とを有する流路部を収容する。前記光源収容室は、前記流路管内に向けて紫外線を照射する光源を収容する。前記冷却水路は、前記光源収容室の周囲に設けられ、冷却水が流れる。また、前記流路収容室および前記光源収容室は、外部から乾燥流体を流すための接続口をそれぞれ有する。 A fluid sterilizer according to an embodiment includes a flow channel storage chamber, a light source storage chamber, and a cooling water channel. The channel housing chamber accommodates a channel portion having a channel tube for flowing a fluid and a reflecting plate provided on the outer periphery of the channel tube and reflecting ultraviolet rays toward the channel tube. The light source housing chamber houses a light source that irradiates ultraviolet rays toward the inside of the flow path pipe. The cooling water channel is provided around the light source housing chamber, through which cooling water flows. Further, the flow channel storage chamber and the light source storage chamber each have a connection port for flowing dry fluid from the outside.

本発明によれば、殺菌性能を維持することができる。 According to the present invention, sterilization performance can be maintained.

図１は、第１の実施形態に係る流体殺菌装置全体を示す模式図である。FIG. 1 is a schematic diagram showing the entire fluid sterilization device according to the first embodiment. 図２は、第１の実施形態に係る流体殺菌装置の要部を示す断面模式図である。FIG. 2 is a schematic cross-sectional view showing the essential parts of the fluid sterilizer according to the first embodiment. 図３は、第２の実施形態に係る流体殺菌装置の要部を示す断面模式図である。FIG. 3 is a schematic cross-sectional view showing the essential parts of the fluid sterilizer according to the second embodiment.

以下で説明する実施形態に係る流体殺菌装置１、１Ａは、流路収容室２０と、光源収容室３０と、冷却水路３５とを具備する。流路収容室２０は、流体を流すための流路管２２と流路管２２の外周に設けられ流路管２２に向かって紫外線を反射する反射板２３とを有する流路部２１を収容する。光源収容室３０は、流路管２２内に向けて紫外線を照射する光源３１を収容する。冷却水路３５は、光源収容室３０の周囲に設けられ、冷却水が流れる。流路収容室２０および光源収容室３０は、外部から乾燥流体を流すための接続口Ｃ１、Ｃ２をそれぞれ有する。 Fluid sterilizers 1 and 1A according to the embodiments described below include a channel storage chamber 20, a light source storage chamber 30, and a cooling water channel 35. As shown in FIG. The channel storage chamber 20 accommodates a channel portion 21 having a channel tube 22 for flowing a fluid and a reflecting plate 23 provided on the outer periphery of the channel tube 22 and reflecting ultraviolet rays toward the channel tube 22. . The light source housing chamber 30 houses a light source 31 that irradiates the inside of the flow pipe 22 with ultraviolet light. The cooling water channel 35 is provided around the light source housing chamber 30, through which cooling water flows. The channel storage chamber 20 and the light source storage chamber 30 have connection ports C1 and C2, respectively, for flowing dry fluid from the outside.

また、以下で説明する実施形態に係る流体殺菌装置１、１Ａにおいて、冷却水路３５は、流路管２２と連通する。 Also, in the fluid sterilizers 1 and 1A according to the embodiments described below, the cooling water channel 35 communicates with the flow channel pipe 22 .

また、以下で説明する実施形態に係る流体殺菌装置１、１Ａは、流路収容室２０と光源収容室３０とを連通させる連通管４０を具備する。 Further, the fluid sterilizers 1 and 1A according to the embodiments described below are provided with a communication pipe 40 that communicates the flow path storage chamber 20 and the light source storage chamber 30 with each other.

また、以下で説明する実施形態に係る流体殺菌装置１、１Ａは、乾燥流体が流れる流路に設けられ、乾燥流体の圧力を計測するためのセンサＳｃを具備する。 Further, the fluid sterilizers 1 and 1A according to the embodiments described below are provided with a sensor Sc for measuring the pressure of the dry fluid, which is provided in the flow path through which the dry fluid flows.

また、以下で説明する実施形態に係る流体殺菌装置１、１Ａは、センサＳｃの計測結果に基づいて乾燥流体が流れる経路に設けられた開閉弁Ｖ１、Ｖ２を制御する制御部５０を具備する。 The fluid sterilizers 1 and 1A according to the embodiments described below also include a control unit 50 that controls the on-off valves V1 and V2 provided in the path through which the dry fluid flows based on the measurement result of the sensor Sc.

（第１の実施形態）
以下、添付図面を参照して、第１の実施形態に係る流体殺菌装置１について説明する。実施形態において同一の機能を有する構成には同一の符号を付し、重複する説明は省略する。また、以下では、流体が液体である場合について説明するが、流体は気体であってもよい。また、以下では、流体殺菌装置１にて殺菌する流体について処理流体と記載する場合がある。 (First embodiment)
A fluid sterilizer 1 according to a first embodiment will be described below with reference to the accompanying drawings. Configurations having the same functions in the embodiments are denoted by the same reference numerals, and overlapping descriptions are omitted. Moreover, although the case where the fluid is liquid will be described below, the fluid may be gas. Moreover, below, the fluid sterilized by the fluid sterilizer 1 may be described as a processing fluid.

まず、図１を用いて第１の実施形態に係る流体殺菌装置１の概要について説明する。図１は、第１の実施形態に係る流体殺菌装置１全体を示す模式図である。図１に示すように、流体殺菌装置１は、上流側流路部材４を介して給水タンク２と接続されるとともに、回収タンク７と下流側流路部材５を介して接続される。 First, the outline of the fluid sterilizer 1 according to the first embodiment will be described with reference to FIG. FIG. 1 is a schematic diagram showing the entire fluid sterilizer 1 according to the first embodiment. As shown in FIG. 1 , the fluid sterilizer 1 is connected to the water supply tank 2 via the upstream channel member 4 and is also connected to the collection tank 7 via the downstream channel member 5 .

すなわち、流体殺菌装置１は、給水タンク２から供給される液体を殺菌し、回収タンク７へ供給する。上流側流路部材４は、一端が給水タンク２に接続され、他端が流体殺菌装置１に接続される。 That is, the fluid sterilizer 1 sterilizes the liquid supplied from the water supply tank 2 and supplies it to the recovery tank 7 . The upstream channel member 4 has one end connected to the water supply tank 2 and the other end connected to the fluid sterilizer 1 .

ポンプ３は、給水タンク２に貯蔵された液体を上流側流路部材４を介して流体殺菌装置１へ送る働きを担う。下流側流路部材５は、一端が流体殺菌装置１に接続され、他端が回収タンク７に接続されるとともに、流体殺菌装置１から回収タンク７へ送る液体の流量を調整する流量調整機構６が設けられている。 The pump 3 serves to send the liquid stored in the water supply tank 2 to the fluid sterilizer 1 via the upstream channel member 4 . The downstream channel member 5 has one end connected to the fluid sterilizer 1 and the other end connected to the recovery tank 7, and a flow rate adjustment mechanism 6 for adjusting the flow rate of the liquid sent from the fluid sterilizer 1 to the recovery tank 7. is provided.

図２は、第１の実施形態に係る流体殺菌装置１の要部を示す断面模式図である。図２に示すように、流体殺菌装置１は、流路収容室２０と、光源収容室３０と、連通管４０と、制御部５０と、センサＳｃとを具備する。 FIG. 2 is a schematic cross-sectional view showing the essential parts of the fluid sterilizer 1 according to the first embodiment. As shown in FIG. 2, the fluid sterilizer 1 includes a flow channel storage chamber 20, a light source storage chamber 30, a communicating pipe 40, a controller 50, and a sensor Sc.

また、流体殺菌装置１は、流路部２１の一端に接続された第１接続部材１０と、流路部２１の他端に接続された第２接続部材１１と、第１接続部材１０と第２接続部材１１とを連結する筐体２４を具備する。 In addition, the fluid sterilization device 1 includes a first connection member 10 connected to one end of the channel portion 21, a second connection member 11 connected to the other end of the channel portion 21, the first connection member 10 and the second connection member 11 connected to the other end of the channel portion 21. 2, a housing 24 for connecting the connection member 11 is provided.

流路収容室２０は、流路部２１が収容される空間であり、流路部２１と筐体２４の間に形成される。また、流路収容室２０は、外部から乾燥流体を流すための接続口Ｃ１を具備する。 The channel storage chamber 20 is a space in which the channel portion 21 is accommodated, and is formed between the channel portion 21 and the housing 24 . Further, the channel storage chamber 20 has a connection port C1 for flowing dry fluid from the outside.

流路部２１は、流体が流れる流路管２２と、流路管２２の外周に設けられ、流路管２２内へ紫外線を反射する反射板２３とを具備する。 The channel portion 21 includes a channel tube 22 through which fluid flows, and a reflecting plate 23 that is provided on the outer periphery of the channel tube 22 and reflects ultraviolet rays into the channel tube 22 .

流路管２２は、紫外線の透過率が高く、紫外線による劣化が抑えられた材料で形成されることが好ましい。本実施形態では、流路管２２として、透明な石英管が用いられており、石英管の外周面全体に、紫外線反射率が高い反射面としての反射板２３を用いる。 The flow pipe 22 is preferably made of a material that has a high transmittance of ultraviolet rays and is less likely to be deteriorated by ultraviolet rays. In this embodiment, a transparent quartz tube is used as the channel tube 22, and a reflecting plate 23 as a reflecting surface having a high ultraviolet reflectance is used on the entire outer peripheral surface of the quartz tube.

反射板２３は、光源３１が流路管２２内の処理室２５へ照射する紫外線を処理室２５内へ反射する。例えば、反射板２３は、アルミニウム製の板材が用いられている。これにより、光源３１から出射された紫外線を処理室２５へ効率よく戻すことができる。すなわち、流体を効率よく殺菌することが可能となる。 The reflecting plate 23 reflects the ultraviolet rays, which the light source 31 irradiates to the processing chamber 25 in the flow pipe 22 , into the processing chamber 25 . For example, the reflecting plate 23 is made of aluminum plate material. Thereby, the ultraviolet rays emitted from the light source 31 can be efficiently returned to the processing chamber 25 . That is, it becomes possible to sterilize the fluid efficiently.

なお、反射板２３は、石英管の外周面全体に、紫外線反射率が高い反射面としての反射膜が形成されたものを用いてもよい。反射膜は、例えば、シリカ膜が用いられている。また、反射膜は、シリカ膜に限らず、アルミニウム蒸着膜であってもよい。また、流路管２２は、透明な石英管に限らず、高反射率のポリテトラフルオロエチレン（polytetrafluoroethylene：ＰＴＦＥ、テトラフルオロエチレンの重合体）等のフッ素樹脂によって形成されてもよい。また、反射膜は、流路管２２の外周面に形成する代わりに、流路管２２の内周面に形成されてもよい。 The reflecting plate 23 may be formed by forming a reflecting film as a reflecting surface having a high ultraviolet reflectance on the entire outer peripheral surface of a quartz tube. A silica film, for example, is used as the reflective film. Moreover, the reflective film is not limited to a silica film, and may be an aluminum deposition film. Further, the flow tube 22 is not limited to a transparent quartz tube, and may be formed of a fluororesin such as polytetrafluoroethylene (PTFE, a polymer of tetrafluoroethylene) having a high reflectance. Also, the reflective film may be formed on the inner peripheral surface of the channel tube 22 instead of being formed on the outer peripheral surface of the channel tube 22 .

光源収容室３０は、例えば、流路管２２の下流側の端部に配置され、光源３１を収容するとともに、外部に接続される接続口Ｃ２を有する。また、光源収容室３０の流路管２２側には、カバー３２が設けられる。カバー３２は、例えば、ガラス材によって形成された紫外線透過部材であり、紫外線を透過させつつ、光源３１を流体から保護する役割を担う。 The light source housing chamber 30 is arranged, for example, at the downstream end of the flow pipe 22, houses the light source 31, and has a connection port C2 connected to the outside. A cover 32 is provided on the side of the light source housing chamber 30 facing the flow path pipe 22 . The cover 32 is an ultraviolet transmitting member made of, for example, a glass material, and plays a role of transmitting ultraviolet rays and protecting the light source 31 from fluid.

光源３１は、図示しない基板上に設置され、紫外線を発する発光素子であるＬＥＤ（Light Emitting Diode）である。光源３１は、殺菌作用が高い３００ｎｍ以下の波長を有する紫外線を発する。なお、光源３１として２７５ｎｍ近辺にピーク波長を有するものが好ましいが、殺菌作用を奏する波長帯域であればよく、紫外線の波長を限定するものではない。 The light source 31 is installed on a substrate (not shown) and is an LED (Light Emitting Diode) that is a light emitting element that emits ultraviolet rays. The light source 31 emits ultraviolet light having a wavelength of 300 nm or less, which has a high sterilizing effect. It is preferable that the light source 31 has a peak wavelength around 275 nm, but the wavelength of the ultraviolet light is not limited as long as it is in a wavelength band that exhibits a sterilizing effect.

また、光源収容室３０の周囲には、冷却水路３５が設けられる。冷却水路３５には、光源３１を冷却するための冷却水が流れる。これにより、光源３１や光源３１が載置される基板を冷却することができる。 A cooling water channel 35 is provided around the light source housing chamber 30 . Cooling water for cooling the light source 31 flows through the cooling water channel 35 . Thereby, the light source 31 and the substrate on which the light source 31 is mounted can be cooled.

なお、図２に示す例では、冷却水路３５と処理室２５とが連通する場合を示す。すなわち、処理流体が冷却水路３５を流れる冷却水を兼ねる場合を示す。これにより、冷却水を別途用意する必要がないので、光源３１を効率よく冷却することが可能となる。なお、冷却水路３５と、処理室２５とは、必ずしも連通している必要はなく、冷却水路３５と、処理室２５とをそれぞれ独立して設けることにしてもよい。 Note that the example shown in FIG. 2 shows a case where the cooling water channel 35 and the processing chamber 25 communicate with each other. In other words, it shows the case where the processing fluid also serves as the cooling water flowing through the cooling water passage 35 . This eliminates the need to separately prepare cooling water, so the light source 31 can be efficiently cooled. The cooling water channel 35 and the processing chamber 25 do not necessarily communicate with each other, and the cooling water channel 35 and the processing chamber 25 may be provided independently.

また、図２に示すように、本実施形態において、流路収容室２０および光源収容室３０には、それぞれ外部から乾燥流体を流すための接続口Ｃ１および接続口Ｃ２が設けられる。 In addition, as shown in FIG. 2, in the present embodiment, the channel storage chamber 20 and the light source storage chamber 30 are provided with a connection port C1 and a connection port C2 for flowing dry fluid from the outside, respectively.

具体的には、流路収容室２０の接続口Ｃ１は、流路部材６０ａと接続され、光源収容室３０の接続口Ｃ２は、流路部材６０ｂと接続される。流路部材６０ａ、６０ｂには、それぞれ開閉弁Ｖ１、Ｖ２が設けられる。 Specifically, the connection port C1 of the channel housing chamber 20 is connected to the flow channel member 60a, and the connection port C2 of the light source housing chamber 30 is connected to the flow channel member 60b. On-off valves V1 and V2 are provided in the channel members 60a and 60b, respectively.

また、流路収容室２０および光源収容室３０は、連通管４０によって連通する。これにより、流路収容室２０および光源収容室３０の双方で乾燥気体を共有して用いることが可能となる。なお、以下では、乾燥流体が通過する流路を乾燥流路と記載する。 Also, the flow channel storage chamber 20 and the light source storage chamber 30 communicate with each other through a communication pipe 40 . As a result, the dry gas can be used in common by both the flow channel storage chamber 20 and the light source storage chamber 30 . In addition, below, the flow path through which the dry fluid passes is described as a dry flow path.

例えば、流路部材６０ａの開閉弁Ｖ１の外側には、乾燥流体を送出するボンベやポンプが配置され、乾燥流路を通過し、流路部材６０ｂの開閉弁Ｖ２から送出される。なお、開閉弁Ｖ２側から乾燥流体を流入し、開閉弁Ｖ１側から乾燥流体を排出させることにしてもよい。 For example, a cylinder or a pump for delivering the dry fluid is arranged outside the on-off valve V1 of the channel member 60a, passes through the drying channel, and is delivered from the on-off valve V2 of the channel member 60b. Alternatively, the dry fluid may be introduced from the on-off valve V2 side and discharged from the on-off valve V1 side.

ここで、乾燥流体とは、空気から水蒸気を除去した乾燥気体であるが、シリコンオイルなどの絶縁性を有する液体であってもよい。なお、乾燥流体が液体である場合、紫外線透過率が高いものを用いることが好ましい。また、乾燥流体の温度は、流体殺菌装置１の周囲の空気の露点温度以下であることが好ましい。より詳細には、流路収容室２０に流す乾燥流体の温度は、処理室２５を流れる処理流体の温度以下であることが好ましく、光源収容室３０に流す乾燥流体の温度は、冷却水路３５を流れる冷却水の温度以下であることが好ましい。 Here, the dry fluid is a dry gas obtained by removing water vapor from air, but it may be a liquid having insulating properties such as silicon oil. When the dry fluid is a liquid, it is preferable to use one with a high ultraviolet transmittance. Moreover, the temperature of the dry fluid is preferably lower than the dew point temperature of the air around the fluid sterilizer 1 . More specifically, it is preferable that the temperature of the dry fluid flowing through the channel housing chamber 20 is lower than the temperature of the processing fluid flowing through the processing chamber 25 , and the temperature of the drying fluid flowing into the light source housing chamber 30 is controlled by the cooling water channel 35 . It is preferably below the temperature of the flowing cooling water.

これにより、流路収容室２０および光源収容室３０における結露の発生を抑制することが可能となる。また、この場合、乾燥流体によっても光源３１を冷却することが可能となる。なお、乾燥流体の温度は、上記の例に限られず、結露が発生した場合に、結露の蒸発を促進する温度に設定することにしてもよい。 This makes it possible to suppress the occurrence of dew condensation in the flow channel storage chamber 20 and the light source storage chamber 30 . In this case, the light source 31 can also be cooled by dry fluid. Note that the temperature of the dry fluid is not limited to the above example, and may be set to a temperature that promotes the evaporation of dew condensation when it occurs.

制御部５０は、センサＳｃによる計測結果に基づき、開閉弁Ｖ１および開閉弁Ｖ２を制御する。センサＳｃは、乾燥気体の流路に設けられ、乾燥流体の圧力を計測するためのセンサである。例えば、センサＳｃは、圧力センサであるが、乾燥流体の流速を計測する流速センサなど、圧力に換算可能なセンサであれば、その他のセンサであってもよい。 The control unit 50 controls the on-off valve V1 and the on-off valve V2 based on the measurement result of the sensor Sc. The sensor Sc is provided in the dry gas flow path and is a sensor for measuring the pressure of the dry fluid. For example, the sensor Sc is a pressure sensor, but other sensors may be used as long as they can be converted into pressure, such as a flow velocity sensor that measures the flow velocity of a dry fluid.

また、図２に示す例では、センサＳｃが流路収容室２０に設けられる場合について示している。しかしながら、これに限定されるものではなく、センサＳｃを光源収容室３０や流路部材６０ａ、６０ｂに設けることにしてもよく、あるいは、開閉弁Ｖ１および開閉弁Ｖ２に設けることにしてもよい。 Further, the example shown in FIG. 2 shows the case where the sensor Sc is provided in the flow channel storage chamber 20 . However, the present invention is not limited to this, and the sensor Sc may be provided in the light source housing chamber 30 or the channel members 60a and 60b, or may be provided in the on-off valve V1 and the on-off valve V2.

開閉弁Ｖ１および開閉弁Ｖ２は、それぞれ電磁弁や電動弁によって開閉制御されるバルブである。開閉弁Ｖ１および開閉弁Ｖ２は、それぞれ制御部５０による制御によって開閉動作が制御される。これにより、流路部材６０ａや流路部材６０ｂに流れる乾燥流体の流量を調整することができる。 The on-off valve V1 and the on-off valve V2 are valves whose opening and closing are controlled by electromagnetic valves and motor-operated valves, respectively. The opening and closing operations of the on-off valve V1 and the on-off valve V2 are controlled by the control unit 50, respectively. This makes it possible to adjust the flow rate of the dry fluid flowing through the channel member 60a and the channel member 60b.

具体的には、制御部５０は、センサＳｃの計測結果に基づき、流路収容室２０や光源収容室３０内が常に陽圧となるように開閉弁Ｖ１および開閉弁Ｖ２を制御する。言い換えれば、流路収容室２０や光源収容室３０内が乾燥流体で充分に満たされるように、開閉弁Ｖ１および開閉弁Ｖ２を制御する。 Specifically, the control unit 50 controls the on-off valve V1 and the on-off valve V2 based on the measurement result of the sensor Sc so that the insides of the flow path housing chamber 20 and the light source housing chamber 30 are always kept at positive pressure. In other words, the on-off valve V1 and the on-off valve V2 are controlled so that the interiors of the flow channel storage chamber 20 and the light source storage chamber 30 are sufficiently filled with dry fluid.

より詳細には、制御部５０は、例えば、乾燥流路内の圧力が低下した場合に、開閉弁Ｖ１を開くことで、より多くの乾燥流体を乾燥流路内へ流入させたり、開閉弁Ｖ２を閉じることで、乾燥気体を乾燥流路の内部へ留めたりすることができる。 More specifically, for example, when the pressure in the drying channel is reduced, the control unit 50 opens the on-off valve V1 to allow more dry fluid to flow into the drying channel, or by opening the on-off valve V2. By closing the , the drying gas can be retained inside the drying channel.

これにより、乾燥流体を乾燥流路内へ充填することができるので、結露の発生を抑制することが可能となる。なお、図２では、流体殺菌装置１が、開閉弁Ｖ１および開閉弁Ｖ２の２つの開閉弁を具備する場合について説明したが、開閉弁は１つであってもよい。また、図２では、流体殺菌装置１において、流路収容室２０と光源収容室３０とが連通管４０により連通する場合について説明したが、流路収容室２０と光源収容室３０とが連通していない構成であってもよい。 As a result, the drying fluid can be filled into the drying channel, so that the occurrence of dew condensation can be suppressed. In FIG. 2, the fluid sterilizer 1 has been described as having two on-off valves, ie, the on-off valve V1 and the on-off valve V2, but the number of on-off valves may be one. In addition, in FIG. 2 , in the fluid sterilizer 1 , the case where the channel storage chamber 20 and the light source storage chamber 30 communicate with each other through the communication pipe 40 has been described, but the flow channel storage chamber 20 and the light source storage chamber 30 communicate with each other. It may be a configuration that does not have

このように、実施形態に係る流体殺菌装置１は、流路収容室２０および光源収容室３０へ乾燥流体を充填することで、流路収容室２０および光源収容室３０における結露の発生を抑制することが可能となる。 As described above, the fluid sterilizer 1 according to the embodiment suppresses the occurrence of dew condensation in the channel storage chamber 20 and the light source storage chamber 30 by filling the channel storage chamber 20 and the light source storage chamber 30 with the dry fluid. becomes possible.

すなわち、流路収容室２０において、流路管２２の外周面や反射板２３の内周面に発生する結露の発生を抑制することができるので、流路管２２や反射板２３の劣化を抑制することが可能となる。また、光源収容室３０においては、結露による光源３１や、光源３１が載置される基板の故障を抑制することができる。つまり、流体殺菌装置１の殺菌性能を維持することができる。 That is, it is possible to suppress the occurrence of dew condensation on the outer peripheral surface of the channel pipe 22 and the inner peripheral surface of the reflecting plate 23 in the channel accommodating chamber 20, thereby suppressing deterioration of the channel pipe 22 and the reflecting plate 23. It becomes possible to Further, in the light source housing chamber 30, failure of the light source 31 and the substrate on which the light source 31 is mounted due to dew condensation can be suppressed. That is, the sterilization performance of the fluid sterilizer 1 can be maintained.

上述したように、実施形態に係る流体殺菌装置１は、流路収容室２０と、光源収容室３０と、冷却水路３５とを具備する。流路収容室２０は、流体を流すための流路管２２と流路管２２の外周に設けられ流路管２２に向かって紫外線を反射する反射板２３とを有する流路部２１を収容する。光源収容室３０は、流路管２２内に向けて紫外線を照射する光源３１を収容する。冷却水路３５は、光源収容室３０の周囲に設けられ、冷却水が流れる。流路収容室２０および光源収容室３０は、外部から乾燥流体を流すための接続口Ｃ１、Ｃ２をそれぞれ有する。したがって、実施形態に係る流体殺菌装置１によれば、殺菌性能を維持することができる。 As described above, the fluid sterilizer 1 according to the embodiment includes the channel storage chamber 20, the light source storage chamber 30, and the cooling water channel 35. As shown in FIG. The channel storage chamber 20 accommodates a channel portion 21 having a channel tube 22 for flowing a fluid and a reflecting plate 23 provided on the outer periphery of the channel tube 22 and reflecting ultraviolet rays toward the channel tube 22. . The light source housing chamber 30 houses a light source 31 that irradiates the inside of the flow pipe 22 with ultraviolet rays. The cooling water channel 35 is provided around the light source housing chamber 30, through which cooling water flows. The channel storage chamber 20 and the light source storage chamber 30 have connection ports C1 and C2, respectively, for flowing dry fluid from the outside. Therefore, according to the fluid sterilizer 1 according to the embodiment, sterilization performance can be maintained.

ところで、上述した実施形態では、流路管２２が１重管構造である場合について説明したが、流路管２２は、２重管構造以上の多重管構造であってもよい。次に、図３を用いて第２の実施形態に係る流体殺菌装置１Ａについて説明する。図３は、第２の実施形態に係る流体殺菌装置１Ａの要部を示す断面模式図である。なお、図３では、図２に示した開閉弁Ｖ１、Ｖ２や制御部５０などの記載を省略して示す。 By the way, in the above-described embodiment, the flow pipe 22 has a single-tube structure, but the flow pipe 22 may have a double-tube structure or a multi-tube structure. Next, a fluid sterilizer 1A according to a second embodiment will be described with reference to FIG. FIG. 3 is a schematic cross-sectional view showing the essential parts of a fluid sterilizer 1A according to the second embodiment. 3, descriptions of the on-off valves V1 and V2, the control unit 50, and the like shown in FIG. 2 are omitted.

また、図３に示すように、第２の実施形態に係る流体殺菌装置１Ａは、第１の実施形態に係る流体殺菌装置１と流路部２１の流路管２２の構成が主に異なる。具体的には、図３に示すように、第２の実施形態に係る流体殺菌装置１Ａにおいて、流路部２１ａが、第１流路管２２－１と、第２流路管２２－２とを有する。 Further, as shown in FIG. 3, the fluid sterilizer 1A according to the second embodiment differs from the fluid sterilizer 1 according to the first embodiment mainly in the configuration of the flow channel tube 22 of the flow channel portion 21. As shown in FIG. Specifically, as shown in FIG. 3, in the fluid sterilizer 1A according to the second embodiment, the flow path part 21a includes a first flow path pipe 22-1 and a second flow path pipe 22-2. have

また、図３に示すように、第１流路管２２－１と、第２流路管２２－２とは、処理流体の流れる向きが異なる。つまり、流体殺菌装置１Ａにおいて、流路管は、内側と外側で処理流体の流れる向きが異なる多重管構造である。 Further, as shown in FIG. 3, the first flow pipe 22-1 and the second flow pipe 22-2 have different flow directions of the processing fluid. That is, in the fluid sterilizer 1A, the channel pipe has a multi-pipe structure in which the processing fluid flows in different directions inside and outside.

図３に示すように、上流側流路部材４から流入した処理流体は、第１流路管２２－１の内周に形成された第１処理室２５－１を経て、第２接続部材１１－１によって構成される冷却水路３５－１にて折り返し、第１流路管２２－１と、第２流路管２２－２とによって形成された第２処理室２５－２を経由し、下流側流路部材５から排出される。 As shown in FIG. 3, the processing fluid flowing from the upstream channel member 4 passes through the first processing chamber 25-1 formed on the inner circumference of the first channel pipe 22-1, and flows through the second connecting member 11. -1, through a second processing chamber 25-2 formed by a first flow pipe 22-1 and a second flow pipe 22-2, and downstream It is discharged from the side channel member 5 .

すなわち、第２の実施形態に係る流体殺菌装置１Ａにおいて、流路管を多重管構造とすることで、流体殺菌装置１Ａの全長を短くすることが可能となる。なお、ここでは、流路管が２重管構造の多重管である場合について説明したが、流路管は、３重管構造以上の多重管構造であってもよい。 In other words, in the fluid sterilizer 1A according to the second embodiment, by making the passage tube into a multi-pipe structure, it is possible to shorten the overall length of the fluid sterilizer 1A. Here, the case where the channel pipe is a multi-pipe with a double-pipe structure has been described, but the channel pipe may have a multi-pipe structure with a triple-pipe structure or more.

本発明の実施形態を説明したが、この実施形態は、例として提示したものであり、発明の範囲を限定することは意図していない。この実施形態は、その他の様々な形態で実施されることが可能であり、発明の要旨を逸脱しない範囲で、種々の省略、置き換え、変更を行うことができる。この実施形態やその変形は、発明の範囲や要旨に含まれると同様に、特許請求の範囲に記載された発明とその均等の範囲に含まれるものである。 While embodiments of the invention have been described, the embodiments have been presented by way of example and are not intended to limit the scope of the invention. This embodiment can be implemented in various other forms, and various omissions, replacements, and modifications can be made without departing from the scope of the invention. This embodiment and its modifications are included in the scope and gist of the invention, as well as the scope of the invention described in the claims and its equivalents.

１、１Ａ 流体殺菌装置
２ 給水タンク
３ ポンプ
４ 上流側流路部材
５ 下流側流路部材
６ 流量調整機構
７ 回収タンク
２０ 流路収容室
２１ 流路部
２２ 流路管
２３ 反射板
２４ 筐体
２５ 処理室
３０ 光源収容室
３１ 光源
３２ カバー
４０ 連通管
５０ 制御部
Ｃ１、Ｃ２ 接続口
Ｓｃ センサ
Ｖ１、Ｖ２ 開閉弁 REFERENCE SIGNS LIST 1, 1A fluid sterilizer 2 water supply tank 3 pump 4 upstream channel member 5 downstream channel member 6 flow rate adjustment mechanism 7 collection tank 20 channel housing chamber 21 channel portion 22 channel pipe 23 reflector 24 housing 25 Processing Chamber 30 Light Source Storage Chamber 31 Light Source 32 Cover 40 Communicating Pipe 50 Controller C1, C2 Connection Port Sc Sensor V1, V2 On-Off Valve

Claims (7)

流体を流すための流路管と前記流路管の外周に設けられ前記流路管に向かって紫外線を反射する反射板とを有する流路部と；
前記反射板の外周に設けられた筐体と；
前記筐体と前記反射板との間に形成される流路収容室と；
前記流路管内に向けて紫外線を照射する光源を収容し、前記流路管の端部に配置される光源収容室と；
前記光源収容室の周囲に設けられ、冷却水が流れる冷却水路と；
を具備し、
前記流路収容室および前記光源収容室は、
外部から乾燥流体を流すための接続口をそれぞれ有する、
流体殺菌装置。 a channel portion having a channel tube for flowing a fluid and a reflecting plate provided on the outer periphery of the channel tube and reflecting ultraviolet rays toward the channel tube;
a housing provided on the outer periphery of the reflector;
a channel housing chamber formed between the housing and the reflector;
a light source accommodation chamber that accommodates a light source that irradiates ultraviolet rays toward the inside of the channel pipe and that is disposed at the end of the channel pipe;
a cooling water channel provided around the light source housing chamber through which cooling water flows;
and
The flow channel storage chamber and the light source storage chamber are
Each has a connection port for flowing dry fluid from the outside,
Fluid sterilizer. 前記流路管と前記反射板とは離間し、
前記流路収容室は、
前記流路管と前記反射板との間の空間に形成される
請求項１に記載の流体殺菌装置。 the channel tube and the reflector are spaced apart,
The flow channel storage chamber is
The fluid sterilizer according to claim 1 , formed in a space between the channel tube and the reflector. 前記流路収容室の前記乾燥流体、または、前記光源収容室の前記乾燥流体は、陽圧である、
請求項１または２に記載の流体殺菌装置。 The dry fluid in the flow channel storage chamber or the dry fluid in the light source storage chamber has a positive pressure,
3. A fluid disinfection device according to claim 1 or 2 . 前記冷却水路は、
前記流路管と連通する、
請求項１～３のいずれか一つに記載の流体殺菌装置。 The cooling water channel is
communicating with the channel tube;
A fluid sterilizer according to any one of claims 1-3 . 前記流路収容室と前記光源収容室とを連通させる連通管；
を具備する請求項１～４のいずれか一つに記載の流体殺菌装置。 a communicating pipe that communicates between the flow channel storage chamber and the light source storage chamber;
The fluid sterilizer according to any one of claims 1 to 4 , comprising: 前記乾燥流体が流れる流路に設けられ、前記乾燥流体の圧力を計測するためのセンサ；
を具備する請求項１～５のいずれか一つに記載の流体殺菌装置。 a sensor provided in the flow path through which the dry fluid flows and for measuring the pressure of the dry fluid;
The fluid sterilizer according to any one of claims 1 to 5 , comprising: 前記センサの計測結果に基づいて前記乾燥流体が流れる経路に設けられた開閉弁を制御する制御部；
を具備する請求項６に記載の流体殺菌装置。 a control unit that controls an on-off valve provided in a path through which the dry fluid flows based on the measurement result of the sensor;
7. The fluid disinfection device of claim 6 , comprising:
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