JP2017023985A - Washer - Google Patents

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JP2017023985A
JP2017023985A JP2015148198A JP2015148198A JP2017023985A JP 2017023985 A JP2017023985 A JP 2017023985A JP 2015148198 A JP2015148198 A JP 2015148198A JP 2015148198 A JP2015148198 A JP 2015148198A JP 2017023985 A JP2017023985 A JP 2017023985A
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water
cleaning
liquid
liquid storage
circulation
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崇文 山崎
Takafumi Yamazaki
崇文 山崎
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Miura Co Ltd
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Miura Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a washer which can perform washing operation appropriate (especially, a dirtiness level) to an object to be washed.SOLUTION: A washer includes: a washing tank 2 in which an object to be washed is housed; a washing nozzle 3 which jets a liquid to the object to be washed in the washing tank 2; a liquid storage part 4 connected to a lower part in the washing tank 2; water feed means 5 to the liquid storage part 4; drain means 6 from the liquid storage part 4; circulation means 8 which circulates and supplies the liquid in the liquid storage part 4 to the washing nozzle 3; and control means for controlling the respective means. A flow rate of the liquid supplied from the liquid storage part 4 to the washing nozzle 3 can be changed by inverter-controlling a circulation pump 24 of the circulation means 8. A water storage amount in the liquid storage part 4 by the water feed means 5 is changed in response to the change of the previously set flow rate. As the number of rotation of the circulation pump 24 is lower, the water storage amount in the liquid storage part 4 by the water feed means 5 is reduced.SELECTED DRAWING: Figure 1

Description

本発明は、被洗浄物に液体を噴射して洗浄する洗浄器に関するものである。   The present invention relates to a cleaning device that performs cleaning by jetting a liquid onto an object to be cleaned.

従来、下記特許文献1に開示されるように、チャンバ(3)内にスプレー・アーム(8)を回転自在に設け、そのスプレー・アーム(8)のノズルから被洗浄物に液体を噴射して、被洗浄物の洗浄や消毒を図る洗浄器が知られている。この装置では、スプレー・アーム(8)から噴射された液体は、チャンバ(3)下部の収集スペース(10)に集められ、循環ポンプ(12)により循環パイプ(16)を介してスプレー・アーム(8)へ循環供給される。   Conventionally, as disclosed in Patent Document 1 below, a spray arm (8) is rotatably provided in a chamber (3), and a liquid is ejected from a nozzle of the spray arm (8) onto an object to be cleaned. A cleaning device for cleaning or disinfecting an object to be cleaned is known. In this apparatus, the liquid ejected from the spray arm (8) is collected in a collection space (10) below the chamber (3), and is sprayed by the circulation pump (12) via the circulation pipe (16) ( It is circulated and supplied to 8).

この種の洗浄器において洗浄しようとする被洗浄物は、汚れ具合が一様ではない。被洗浄物の汚れが比較的少ない場合、ひどい汚れの被洗浄物と同様の洗浄を実施する必要はなく、被洗浄物に応じた運転が望まれる。   The object to be cleaned in this type of cleaning device is not uniformly soiled. When the object to be cleaned is relatively small, it is not necessary to perform the same cleaning as that of the object to be cleaned, and an operation corresponding to the object to be cleaned is desired.

特許第4886847号公報Japanese Patent No. 48868847

本発明が解決しようとする課題は、被洗浄物(特にその汚れ具合)に応じた洗浄運転を実施できる洗浄器を提供することにある。   The problem to be solved by the present invention is to provide a cleaning device capable of performing a cleaning operation in accordance with an object to be cleaned (particularly the degree of contamination).

本発明は、前記課題を解決するためになされたもので、請求項1に記載の発明は、被洗浄物が収容される洗浄槽と、この洗浄槽内の被洗浄物へ液体を噴射する洗浄ノズルと、前記洗浄槽内の下部に連接された液貯留部と、この液貯留部への給水手段と、前記液貯留部からの排水手段と、前記液貯留部の液体を前記洗浄ノズルへ循環供給する循環手段と、前記各手段を制御する制御手段とを備え、前記循環手段は、前記液貯留部から前記洗浄ノズルへ供給する液体の流量を変更可能に構成され、前記制御手段は、前記流量の変更に応じて、前記給水手段による前記液貯留部への貯水量を変更することを特徴とする洗浄器である。   The present invention has been made to solve the above problems, and the invention according to claim 1 is a cleaning tank in which an object to be cleaned is accommodated, and a cleaning in which a liquid is jetted onto the object to be cleaned in the cleaning tank. A nozzle, a liquid reservoir connected to a lower portion in the cleaning tank, a water supply means to the liquid reservoir, a drain means from the liquid reservoir, and a liquid in the liquid reservoir to circulate to the cleaning nozzle A circulation means for supplying and a control means for controlling each of the means, wherein the circulation means is configured to change a flow rate of the liquid supplied from the liquid reservoir to the cleaning nozzle, and the control means includes the In accordance with the change of the flow rate, the amount of water stored in the liquid storage unit by the water supply means is changed.

請求項1に記載の発明によれば、循環手段による循環流量を変更して、洗浄ノズルからの噴射流量を変更することで、被洗浄物(特にその汚れ具合)に応じた洗浄を実施することができる。すなわち、汚れがひどければ循環流量を増し、汚れが少なければ循環流量を減らせばよい。そして、予め設定される前記流量の変更に応じて、液貯留部への貯水量を変更することができる。詳細は後述するが、循環流量を減らして運転しようとする場合、液貯留部内の貯水量も減らすことができ、それにより給水量を減らして、ランニングコストの低減を図ることができる。また、給水量を減らすことで、給水時間や排水時間も短縮することができる。   According to the first aspect of the present invention, by changing the circulation flow rate by the circulation means and changing the injection flow rate from the washing nozzle, cleaning according to the object to be cleaned (especially the degree of contamination) is performed. Can do. That is, the circulation flow rate may be increased if the dirt is severe, and the circulation flow rate may be reduced if the dirt is small. And according to the change of the said preset flow rate, the amount of water storage to a liquid storage part can be changed. Although details will be described later, when the operation is to be performed with a reduced circulation flow rate, the amount of water stored in the liquid storage unit can also be reduced, thereby reducing the amount of water supply and reducing the running cost. Moreover, the water supply time and drainage time can also be shortened by reducing the amount of water supply.

請求項2に記載の発明は、前記循環手段は、前記液貯留部から前記洗浄ノズルへの配管に、インバータを用いて回転数を変更可能な循環ポンプを備え、前記制御手段は、設定された回転数に応じて、回転数が低いほど前記給水手段による前記液貯留部への貯水量を減らすことを特徴とする請求項1に記載の洗浄器である。   According to a second aspect of the present invention, the circulation means includes a circulation pump capable of changing a rotational speed using an inverter in a pipe from the liquid storage unit to the cleaning nozzle, and the control means is set. 2. The washer according to claim 1, wherein the amount of water stored in the liquid storage unit by the water supply unit is reduced as the number of rotations is reduced according to the number of rotations.

請求項2に記載の発明によれば、インバータポンプを用いて、簡易な構成で、循環流量を変更することができる。そして、循環ポンプの回転数を下げて、循環流量を減らすほど、液貯留部への貯水量を減らすことができ、それにより給水量を減らして、ランニングコストの低減を図ることができる。また、給水量を減らすことで、給水時間や排水時間も短縮することができる。   According to the second aspect of the present invention, the circulation flow rate can be changed with a simple configuration using an inverter pump. And the amount of water storage to a liquid storage part can be reduced, so that the rotation speed of a circulation pump is reduced and a circulation flow rate is reduced, Thereby, water supply amount can be reduced and reduction of running cost can be aimed at. Moreover, the water supply time and drainage time can also be shortened by reducing the amount of water supply.

さらに、請求項3に記載の発明は、前記給水手段により給水された水への薬液供給手段と、前記液貯留部内の貯留水または前記循環手段による循環水を加熱する第一ヒータとをさらに備え、前記制御手段は、前記給水手段による水に前記薬液供給手段による薬液を混入し、その液体を前記第一ヒータにより設定温度に加熱すると共に前記循環手段により設定時間循環させた後、前記排水手段により排水する、薬液投入付きシャワー洗浄動作を実行可能とされ、この薬液投入付きシャワー洗浄動作では、前記薬液の濃度が設定濃度になるように、前記給水手段による前記液貯留部への貯水量に応じて、前記薬液供給手段による薬液供給量を変更することを特徴とする請求項1または請求項2に記載の洗浄器である。   Furthermore, the invention described in claim 3 further includes a chemical solution supply means to the water supplied by the water supply means, and a first heater for heating the stored water in the liquid storage section or the circulating water by the circulation means. The control means mixes the chemical liquid from the chemical liquid supply means with the water supplied from the water supply means, heats the liquid to a set temperature by the first heater, and circulates the liquid for a set time by the circulation means, and then drains the drainage means. In this shower cleaning operation with chemical solution charging, the amount of water stored in the liquid storage unit by the water supply means is adjusted so that the concentration of the chemical solution becomes a set concentration. The cleaning device according to claim 1 or 2, wherein a chemical supply amount by the chemical supply means is changed accordingly.

請求項3に記載の発明によれば、被洗浄物を、薬液を混入した水で洗浄することができる。そして、循環水の循環流量を減らせば、貯水量ひいては給水量を減らすことができ、それに伴い、給水時間や排水時間を短縮できる他、設定濃度になるよう給水に投入される薬液の使用量や、設定温度にまで給水を加熱するための時間やエネルギを削減することができる。   According to invention of Claim 3, a to-be-cleaned object can be wash | cleaned with the water which mixed the chemical | medical solution. By reducing the circulating flow rate of the circulating water, the amount of stored water and therefore the amount of water supply can be reduced.Accordingly, the water supply time and drainage time can be shortened, and the amount of chemicals used in the water supply to the set concentration can be reduced. The time and energy for heating the feed water to the set temperature can be reduced.

本発明によれば、被洗浄物(特にその汚れ具合)に応じた洗浄運転を実施できる洗浄器を実現することができる。   ADVANTAGE OF THE INVENTION According to this invention, the washing | cleaning device which can implement the washing | cleaning driving | operation according to to-be-washed | cleaned object (especially the condition of the dirt) is realizable.

本発明の一実施例の洗浄器を示す概略図であり、一部を断面にして示している。BRIEF DESCRIPTION OF THE DRAWINGS It is the schematic which shows the washing | cleaning device of one Example of this invention, and shows one part in cross section.

以下、本発明の具体的実施例を図面に基づいて詳細に説明する。
図1は、本発明の一実施例の洗浄器を示す概略図であり、一部を断面にして示している。本実施例の洗浄器1は、器具除染用洗浄器として利用できるものである。
Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a schematic view showing a cleaning device according to an embodiment of the present invention, and a part thereof is shown in cross section. The cleaning device 1 of this embodiment can be used as a cleaning device for instrument decontamination.

本実施例の洗浄器1は、被洗浄物が収容される洗浄槽2と、この洗浄槽2内の被洗浄物へ液体を噴射する洗浄ノズル3と、洗浄槽2内の下部に連接された液貯留部4と、この液貯留部4への給水手段5と、液貯留部4からの排水手段6と、給水手段5により給水された水への薬液供給手段7と、液貯留部4の液体を洗浄ノズル3へ循環供給する循環手段8と、洗浄槽2内へ空気を送り込む送風機9と、液貯留部4内の貯留水を加熱する第一ヒータ10と、送風機9による洗浄槽2内への空気を加熱する第二ヒータ11と、前記各手段5〜8ならびに送風機9および各ヒータ10,11を制御する制御手段(図示省略)とを備える。   The cleaning device 1 of this embodiment is connected to a cleaning tank 2 in which an object to be cleaned is accommodated, a cleaning nozzle 3 for injecting a liquid to the object to be cleaned in the cleaning tank 2, and a lower part in the cleaning tank 2. The liquid storage unit 4, the water supply unit 5 to the liquid storage unit 4, the drainage unit 6 from the liquid storage unit 4, the chemical solution supply unit 7 to the water supplied by the water supply unit 5, and the liquid storage unit 4 Circulating means 8 for circulating and supplying liquid to the cleaning nozzle 3, a blower 9 for sending air into the cleaning tank 2, a first heater 10 for heating the stored water in the liquid storage unit 4, and the inside of the cleaning tank 2 by the blower 9 And a control means (not shown) for controlling the blowers 9 and the heaters 10 and 11.

被洗浄物は、特に問わないが、たとえば鉗子などの医療器具である。洗浄槽2内には、上下複数段に洗浄ノズル3が設けられるが、被洗浄物は上下の洗浄ノズル3間に配置される。この際、洗浄槽2内に上下複数段に設けられる網棚(図示省略)に、被洗浄物が載せられる。なお、被洗浄物は、所望によりバスケットなどに収容されていてもよい。   The object to be cleaned is not particularly limited, but is a medical instrument such as forceps. In the cleaning tank 2, cleaning nozzles 3 are provided in a plurality of upper and lower stages, and an object to be cleaned is disposed between the upper and lower cleaning nozzles 3. At this time, an object to be cleaned is placed on a net shelf (not shown) provided in the upper and lower stages in the cleaning tank 2. The object to be cleaned may be accommodated in a basket or the like as desired.

洗浄槽2は、被洗浄物が収容される中空容器である。洗浄槽2は、本実施例では略矩形の中空ボックス状である。洗浄槽2は、ドア(図示省略)により開閉可能とされる。ドアを開けることで、洗浄槽2に対し被洗浄物を出し入れすることができる。ドアは、洗浄槽2の正面に設けられるが、洗浄槽2の正面および背面の双方に設けられてもよい。なお、図示例では、洗浄槽2の上壁と左右側壁とに、連続的な空洞部としてのジャケット12が設けられており、このジャケット12は、左右側壁の下端部において洗浄槽2内へ開口する。但し、このようなジャケット12は、場合により設置を省略することもできる。   The cleaning tank 2 is a hollow container that accommodates an object to be cleaned. In the present embodiment, the cleaning tank 2 has a substantially rectangular hollow box shape. The cleaning tank 2 can be opened and closed by a door (not shown). The object to be cleaned can be taken in and out of the cleaning tank 2 by opening the door. The door is provided on the front surface of the cleaning tank 2, but may be provided on both the front surface and the back surface of the cleaning tank 2. In the illustrated example, a jacket 12 as a continuous cavity is provided on the upper wall and the left and right side walls of the cleaning tank 2, and the jacket 12 opens into the cleaning tank 2 at the lower ends of the left and right side walls. To do. However, such a jacket 12 can be omitted in some cases.

洗浄ノズル3は、洗浄槽2内に、上下複数段に設けられる。本実施例では、洗浄槽2の一側部に、上下複数段にアーム状の支持部材13の基端部が保持され、各支持部材13は、洗浄槽2の一側部から左右方向中央部へ向けて延出する。そして、その延出先端部に、洗浄ノズル3の長手方向中央部が垂直軸まわりに回転自在に保持される。洗浄ノズル3は、支持部材13内を介して供給される流体(液体や空気)を噴射させるノズル孔(図示省略)を複数形成されている。支持部材13を介して洗浄ノズル3内に流体が供給されると、その流体は洗浄ノズル3のノズル孔から噴射される。この噴流により、洗浄ノズル3は、支持部材13の端部の軸受部まわりに回転する。なお、洗浄槽2内の上端部に設けられる洗浄ノズル3は、下方へのみ流体を噴射し、洗浄槽2内の下端部に設けられる洗浄ノズル3は、上方へのみ流体を噴射し、上下両端部以外の洗浄ノズル3は、上下両方へ流体を噴射する。   The cleaning nozzle 3 is provided in the cleaning tank 2 in multiple upper and lower stages. In the present embodiment, the base end portion of the arm-shaped support member 13 is held in one side portion of the cleaning tank 2 in a plurality of upper and lower stages, and each support member 13 extends from one side portion of the cleaning tank 2 to the center in the left-right direction. Extend towards. Then, the central portion in the longitudinal direction of the cleaning nozzle 3 is held at the extended tip portion so as to be rotatable around the vertical axis. The cleaning nozzle 3 is formed with a plurality of nozzle holes (not shown) for ejecting fluid (liquid or air) supplied through the support member 13. When a fluid is supplied into the cleaning nozzle 3 through the support member 13, the fluid is ejected from the nozzle hole of the cleaning nozzle 3. With this jet, the cleaning nozzle 3 rotates around the bearing portion at the end of the support member 13. The cleaning nozzle 3 provided at the upper end in the cleaning tank 2 ejects fluid only downward, and the cleaning nozzle 3 provided at the lower end in the cleaning tank 2 ejects fluid upward only, The cleaning nozzles 3 other than the unit inject fluids both upward and downward.

液貯留部4は、洗浄槽2内の下部に連接される。言い換えれば、洗浄槽2は、下部に液貯留部4を備える。本実施例では、洗浄槽2の下壁は、左右両端部が左右方向内側へ行くに従って下方へ傾斜する傾斜面2aに形成されており、左右方向中央部は下方へ略矩形状に凹んで形成されており、この凹部を含んだ形で、洗浄槽2内の下部が液貯留部4とされる。循環手段8の作動中、洗浄ノズル3から洗浄槽2内へ噴射された液体は、洗浄槽2内の下方へ落下し、傾斜面2aにより凹部に集められる。   The liquid storage unit 4 is connected to the lower part in the cleaning tank 2. In other words, the cleaning tank 2 includes the liquid storage unit 4 in the lower part. In the present embodiment, the lower wall of the cleaning tank 2 is formed as an inclined surface 2a that is inclined downward as both left and right end portions go inward in the left-right direction, and the central portion in the left-right direction is recessed downward in a substantially rectangular shape. The lower part in the cleaning tank 2 is the liquid storage part 4 in a form including the concave part. During the operation of the circulation means 8, the liquid sprayed from the cleaning nozzle 3 into the cleaning tank 2 falls downward in the cleaning tank 2, and is collected in the recess by the inclined surface 2a.

給水手段5は、洗浄槽2下部の液貯留部4に、給水路14を介して給水する。本実施例では、給水路14からの給水は、洗浄槽2の上部からジャケット12を介して液貯留部4に送られる。給水路14には、洗浄槽2へ向けて、逆止弁15と給水弁16とが設けられる。なお、図示例では、給水路14を一本のみ示しているが、所望により複数の給水路14を並列に設けて、複数種の水から選択した水を供給可能としてもよい。たとえば、水道水の他、温水およびRO水(逆浸透膜濾過水)の各給水路14を設けて、被洗浄物や工程などに応じて所望の水を供給可能としてもよい。   The water supply means 5 supplies water to the liquid storage section 4 at the lower part of the cleaning tank 2 via a water supply path 14. In the present embodiment, the water supply from the water supply channel 14 is sent from the upper part of the cleaning tank 2 to the liquid storage unit 4 via the jacket 12. A check valve 15 and a water supply valve 16 are provided in the water supply path 14 toward the cleaning tank 2. In the illustrated example, only one water supply channel 14 is shown, but a plurality of water supply channels 14 may be provided in parallel as desired to supply water selected from a plurality of types of water. For example, in addition to tap water, each water supply channel 14 of warm water and RO water (reverse osmosis membrane filtered water) may be provided so that desired water can be supplied according to the object to be cleaned, the process, and the like.

液貯留部4付きの洗浄槽2には、液位検出器(図示省略)が設けられる。液位検出器は、その構成を特に問わないが、液位を連続的に検出できるアナログ式のものが好ましい。たとえば、液貯留部4の底部に設置した圧力センサから構成される。この場合、液貯留部4(および洗浄槽2)内の液位に応じて、水圧が変わることを利用して液位を把握する。なお、洗浄槽2には、所定以上の液体を外部へ排出するオーバーフロー路17が設けられる。   The cleaning tank 2 with the liquid storage part 4 is provided with a liquid level detector (not shown). The configuration of the liquid level detector is not particularly limited, but an analog type that can continuously detect the liquid level is preferable. For example, it comprises a pressure sensor installed at the bottom of the liquid reservoir 4. In this case, the liquid level is grasped by utilizing the fact that the water pressure changes according to the liquid level in the liquid storage unit 4 (and the cleaning tank 2). The cleaning tank 2 is provided with an overflow path 17 for discharging a predetermined amount or more of liquid to the outside.

排水手段6は、洗浄槽2下部の液貯留部4から、排水路18を介して排水する。排水路18には、排水弁19が設けられる。排水弁19を開くことで、液貯留部4内の貯留水を外部へ排水することができる。   The drainage means 6 drains from the liquid storage part 4 at the lower part of the cleaning tank 2 via a drainage channel 18. A drain valve 19 is provided in the drain channel 18. By opening the drain valve 19, the stored water in the liquid storage unit 4 can be drained to the outside.

薬液供給手段7は、液貯留部4内の貯留水に、給液路20を介して薬液を供給する。具体的には、薬液が貯留された薬液タンク21が、給液路20を介して洗浄槽2と接続され、給液路20には薬液ポンプ22が設けられている。薬液ポンプ22の作動を制御することで、薬液タンク21から液貯留部4への薬液の供給量を調整することができる。なお、薬液タンク21および給液路20のセットを並列に複数設けておき、薬液の種類を変更可能としてもよい。たとえば、アルカリ性洗剤、酵素配合洗剤、潤滑防錆剤、乾燥促進剤など、所望の薬液を貯留した薬液タンク21を複数備え、被洗浄物や工程に応じて、使用する薬液を変更してもよい。なお、図示例では、給液路20は、洗浄槽2に接続されるが、液貯留部4や後述する循環配管23に接続されてもよい。   The chemical liquid supply unit 7 supplies the chemical liquid to the stored water in the liquid storage unit 4 via the liquid supply path 20. Specifically, a chemical liquid tank 21 in which a chemical liquid is stored is connected to the cleaning tank 2 via a liquid supply path 20, and a chemical liquid pump 22 is provided in the liquid supply path 20. By controlling the operation of the chemical liquid pump 22, the supply amount of the chemical liquid from the chemical liquid tank 21 to the liquid storage unit 4 can be adjusted. Note that a plurality of sets of the chemical liquid tank 21 and the liquid supply path 20 may be provided in parallel so that the type of the chemical liquid can be changed. For example, a plurality of chemical tanks 21 storing desired chemicals such as alkaline detergents, enzyme-containing detergents, lubricating rust preventives, and drying accelerators may be provided, and the chemicals to be used may be changed depending on the object to be cleaned and the process. . In addition, in the example of illustration, although the liquid supply path 20 is connected to the washing tank 2, you may connect to the liquid storage part 4 and the circulation piping 23 mentioned later.

循環手段8は、液貯留部4内の貯留液を、洗浄ノズル3へ循環供給する。具体的には、循環手段8は、循環配管23と循環ポンプ24とを備える。循環配管23は、液貯留部4から各洗浄ノズル3の支持部材13への配管であり、その途中に循環ポンプ24が設けられる。なお、図示例では、循環配管23の内、液貯留部4から循環ポンプ24への配管は、上流側において、排水路18と共通管路とされている。循環ポンプ24を作動させると、液貯留部4内の液体を、循環配管23および支持部材13を介して洗浄ノズル3へ供給することができ、洗浄ノズル3から噴射された液体は、液貯留部4に戻される。   The circulation means 8 circulates and supplies the stored liquid in the liquid storage unit 4 to the cleaning nozzle 3. Specifically, the circulation means 8 includes a circulation pipe 23 and a circulation pump 24. The circulation pipe 23 is a pipe from the liquid storage unit 4 to the support member 13 of each cleaning nozzle 3, and a circulation pump 24 is provided in the middle thereof. In the illustrated example, the piping from the liquid storage unit 4 to the circulation pump 24 in the circulation piping 23 is a common conduit with the drainage channel 18 on the upstream side. When the circulation pump 24 is operated, the liquid in the liquid reservoir 4 can be supplied to the cleaning nozzle 3 via the circulation pipe 23 and the support member 13, and the liquid ejected from the cleaning nozzle 3 Returned to 4.

第一ヒータ10は、本実施例では液貯留部4に設けられて、貯留液を加熱する。但し、場合により、第一ヒータ10は、前記循環配管23に設けられて、循環液を加熱してもよい。第一ヒータ10は、電気ヒータであってもよいが、図示例では蒸気ヒータである。蒸気ヒータは、蒸気管内に給蒸路25を介して蒸気が供給可能とされ、蒸気の凝縮水は蒸気トラップ26および逆止弁27を介してドレン排出路28から排出される。給蒸路25に設けた給蒸弁29の開閉または開度を制御することで、貯留液の温度を調整することができる。   The 1st heater 10 is provided in the liquid storage part 4 in a present Example, and heats a stored liquid. However, in some cases, the first heater 10 may be provided in the circulation pipe 23 to heat the circulating liquid. The first heater 10 may be an electric heater, but is a steam heater in the illustrated example. The steam heater can supply steam into the steam pipe via the steam supply path 25, and the condensed water of the steam is discharged from the drain discharge path 28 via the steam trap 26 and the check valve 27. The temperature of the stored liquid can be adjusted by controlling the opening / closing or opening of the steam supply valve 29 provided in the steam supply path 25.

送風機9は、洗浄槽2の上部に、給気路30を介して接続される。送風機9からの給気路30は、第二ヒータ11の出口側で分岐され、第一給気路30aが給気弁31を介して前記循環配管23に接続され、第二給気路30bが洗浄槽2上部のジャケット12に接続される。送風機9は、フィルタ32を介した空気を吸い込んで吐出し、第二ヒータ11を介して洗浄槽2内へ送り込む。つまり、送風機9からの空気は、第二ヒータ11で加熱された後、第一給気路30a、循環配管23および支持部材13を介して、洗浄ノズル3から噴射される一方、第二給気路30bおよびジャケット12を介して、洗浄槽2内へ供給される。   The blower 9 is connected to the upper part of the cleaning tank 2 via an air supply path 30. The air supply path 30 from the blower 9 is branched on the outlet side of the second heater 11, the first air supply path 30 a is connected to the circulation pipe 23 via the air supply valve 31, and the second air supply path 30 b is connected. It is connected to the jacket 12 at the top of the cleaning tank 2. The blower 9 sucks and discharges air through the filter 32 and sends it into the cleaning tank 2 through the second heater 11. That is, the air from the blower 9 is heated by the second heater 11 and then injected from the cleaning nozzle 3 via the first air supply path 30a, the circulation pipe 23, and the support member 13, while the second air supply It is supplied into the cleaning tank 2 through the path 30b and the jacket 12.

洗浄槽2の上部には、外部への排気路33が接続される。図示例では、排気路33からの排気は、一部が外部へ排気されつつ、残部が戻し路34を介して送風機9の吸込口へ戻される。この戻し量を所望に保つために、排気路33には、戻し路34との分岐部より下流にオリフィス35が設けられる。この場合、送風機9には、洗浄槽2からの排気とフィルタ32を介した新規空気とが供給され、空気を一部入れ替えながら、洗浄槽2との間で空気を循環させることができる。但し、洗浄槽2からの排気は、一部を入れ替えながら循環させる以外に、全量を外部へ排出してもよい。その場合、戻し路34およびオリフィス35の設置は省略され、その代わりに、排気路33に、排気中の水分を凝縮するための凝縮器を設けてもよい。   An exhaust path 33 to the outside is connected to the upper part of the cleaning tank 2. In the illustrated example, a part of the exhaust from the exhaust path 33 is exhausted to the outside, and the remaining part is returned to the suction port of the blower 9 via the return path 34. In order to keep this return amount as desired, the exhaust passage 33 is provided with an orifice 35 downstream from a branch portion with the return passage 34. In this case, the blower 9 is supplied with exhaust air from the cleaning tank 2 and new air through the filter 32, and air can be circulated between the cleaning tank 2 while partially replacing the air. However, the exhaust from the cleaning tank 2 may be exhausted to the outside in addition to circulating while exchanging a part. In that case, installation of the return path 34 and the orifice 35 is omitted. Instead, a condenser for condensing moisture in the exhaust gas may be provided in the exhaust path 33.

洗浄器1は、さらに加熱タンク36を備えてもよい。加熱タンク36は、後の工程で用いる液体を予め加熱するのに用いられる。本実施例では、加熱タンク36は、設置スペースの関係上、洗浄槽2の上部に設けられる。   The cleaning device 1 may further include a heating tank 36. The heating tank 36 is used for preheating a liquid used in a later process. In the present embodiment, the heating tank 36 is provided in the upper part of the cleaning tank 2 because of the installation space.

加熱タンク36には、タンク給水路37を介して水が供給される。タンク給水路37にはタンク給水弁38が設けられており、タンク給水弁38の開閉により、加熱タンク36への給水を制御することができる。本実施例では、加熱タンク36には、水位検出器(図示省略)が設けられており、少なくとも満水状態(設定水位までの給水状態)と空水状態とが検知可能とされる。水位検出器の検出信号に基づきタンク給水弁38を制御して、加熱タンク36に設定水位まで給水することができる。なお、加熱タンク36には、所定以上の水を溢れされるオーバーフロー路39が設けられている。   Water is supplied to the heating tank 36 via a tank water supply passage 37. The tank water supply passage 37 is provided with a tank water supply valve 38, and the water supply to the heating tank 36 can be controlled by opening and closing the tank water supply valve 38. In this embodiment, the heating tank 36 is provided with a water level detector (not shown) so that at least a full water state (a water supply state up to a set water level) and an air water state can be detected. Based on the detection signal from the water level detector, the tank water supply valve 38 can be controlled to supply water to the heating tank 36 up to the set water level. The heating tank 36 is provided with an overflow path 39 that overflows with a predetermined amount or more of water.

加熱タンク36には、第三ヒータ40が設けられる。第三ヒータ40は、図示例では電気ヒータとされるが、場合により第一ヒータ10と同様の蒸気ヒータであってもよい。第三ヒータ40により、加熱タンク36内の液体を設定温度まで加熱することができる。典型的には、後述する除染工程で使用する熱水を製造することができる。   The heating tank 36 is provided with a third heater 40. The third heater 40 is an electric heater in the illustrated example, but may be a steam heater similar to the first heater 10 in some cases. The liquid in the heating tank 36 can be heated to the set temperature by the third heater 40. Typically, hot water used in the decontamination process described below can be produced.

加熱タンク36と洗浄槽2とは、熱水路41により接続されており、熱水路41には熱水弁42が設けられている。図示例では、熱水路41は、下流(洗浄槽2側)において、給水路14と共通管路とされている。熱水弁42を開くことで、加熱タンク36から洗浄槽2内へ熱水を供給することができる。   The heating tank 36 and the washing tank 2 are connected by a hot water channel 41, and a hot water valve 42 is provided in the hot water channel 41. In the illustrated example, the hot water channel 41 is a common pipe line with the water supply channel 14 in the downstream (cleaning tank 2 side). By opening the hot water valve 42, hot water can be supplied from the heating tank 36 into the cleaning tank 2.

洗浄槽2には、さらに、超音波振動子43を設けてもよい。本実施例では、洗浄槽2の下壁の左右の傾斜面2aに、それぞれ超音波振動子43が設けられている。   The cleaning tank 2 may further be provided with an ultrasonic transducer 43. In the present embodiment, ultrasonic transducers 43 are provided on the left and right inclined surfaces 2a of the lower wall of the cleaning tank 2, respectively.

液貯留部4には、第一温度センサ44が設けられる。第一温度センサ44の検出温度に基づき第一ヒータ10を制御(本実施例では給蒸弁29を制御)することで、液貯留部4内の貯留水、ひいては洗浄ノズル3から噴射する液体の温度を調整することができる。   The liquid storage unit 4 is provided with a first temperature sensor 44. By controlling the first heater 10 based on the temperature detected by the first temperature sensor 44 (in this embodiment, the steam supply valve 29 is controlled), the water stored in the liquid storage unit 4, and thus the liquid ejected from the cleaning nozzle 3 is controlled. The temperature can be adjusted.

送風機9から洗浄槽2への給気路30には、第二ヒータ11の設置位置よりも下流側に、第二温度センサ45が設けられる。第二温度センサ45の検出温度に基づき第二ヒータ11を制御することで、洗浄槽2内への給気温度を調整することができる。   A second temperature sensor 45 is provided in the air supply path 30 from the blower 9 to the cleaning tank 2 on the downstream side of the installation position of the second heater 11. By controlling the second heater 11 based on the temperature detected by the second temperature sensor 45, the supply air temperature into the cleaning tank 2 can be adjusted.

加熱タンク36には、第三温度センサ46が設けられる。第三温度センサ46の検出温度に基づき第三ヒータ40を制御することで、加熱タンク36内の貯留水を所望温度に調整することができる。   The heating tank 36 is provided with a third temperature sensor 46. By controlling the third heater 40 based on the temperature detected by the third temperature sensor 46, the stored water in the heating tank 36 can be adjusted to a desired temperature.

洗浄器1は、さらに制御手段としての制御器(図示省略)を備える。具体的には、給水弁16、排水弁19、薬液ポンプ22、循環ポンプ24、送風機9、給気弁31、タンク給水弁38、熱水弁42、第一ヒータ10(給蒸弁29)、第二ヒータ11、第三ヒータ40、超音波振動子43、液貯留部4の液位検出器、加熱タンク36の水位検出器、第一温度センサ44、第二温度センサ45および第三温度センサ46などは、制御器に接続されている。そして、制御器は、以下に述べるように、所定の手順(プログラム)に従い、洗浄槽2内の被洗浄物の洗浄や濯ぎなどを図る。   The cleaning device 1 further includes a controller (not shown) as control means. Specifically, the water supply valve 16, the drain valve 19, the chemical pump 22, the circulation pump 24, the blower 9, the air supply valve 31, the tank water supply valve 38, the hot water valve 42, the first heater 10 (the steam supply valve 29), Second heater 11, third heater 40, ultrasonic transducer 43, liquid level detector of liquid reservoir 4, water level detector of heating tank 36, first temperature sensor 44, second temperature sensor 45, and third temperature sensor 46 etc. are connected to the controller. The controller then cleans or rinses the object to be cleaned in the cleaning tank 2 according to a predetermined procedure (program) as described below.

本実施例の洗浄器1は、少なくとも、シャワー洗浄動作と、超音波洗浄動作と、乾燥動作とを実行可能とされる。以下、各動作について、順に説明する。   The cleaning device 1 of the present embodiment can execute at least a shower cleaning operation, an ultrasonic cleaning operation, and a drying operation. Hereinafter, each operation will be described in order.

≪シャワー洗浄動作≫
シャワー洗浄動作は、液貯留部4内に貯留した液体を、循環手段8により洗浄ノズル3へ循環供給して、洗浄ノズル3から被洗浄物に噴射する動作である。具体的には、まず、液位検出器が設定水位を検出するまで、給水手段5により液貯留部4に給水する。また、必要に応じて、薬液供給手段7により液貯留部4に所望の薬液を投入する。薬液供給手段7による薬液は、給水手段5による給水に対し、設定濃度になるように設定量だけ投入される。さらに、同じく必要に応じて、第一ヒータ10により、液貯留部4内の貯留水を加熱する。なお、給水路14または熱水路41により、温水を供給できる場合には、その温水を利用してもよい。また、薬液の投入や給水の加熱は、循環手段8の作動前に限らず、循環手段8の作動中に行ってもよい。いずれにしても、液貯留部4に液体を貯留した状態で、循環ポンプ24を作動させて、貯留液を循環配管23および支持部材13を介して洗浄ノズル3へ供給して、洗浄ノズル3を回転させながら、洗浄ノズル3のノズル孔から被洗浄物に噴射する。これにより、被洗浄物は、上下の洗浄ノズル3から噴射される水で洗浄される。そして、各洗浄ノズル3から噴射された水は、洗浄槽2下部の液貯留部4へ戻される。この循環中、前述したように、必要に応じて、第一温度センサ44の検出温度を設定温度に維持するように、第一ヒータ10により循環水を加熱してもよい。所定の終了条件を満たすと、循環ポンプ24による循環を停止すると共に、第一ヒータ10が作動中の場合にはそれも停止して、典型的には排水手段6により排水する。
≪Shower cleaning operation≫
The shower cleaning operation is an operation in which the liquid stored in the liquid storage unit 4 is circulated and supplied to the cleaning nozzle 3 by the circulation means 8 and sprayed from the cleaning nozzle 3 onto the object to be cleaned. Specifically, first, water is supplied to the liquid storage unit 4 by the water supply means 5 until the liquid level detector detects the set water level. Further, if necessary, a desired chemical solution is introduced into the liquid storage unit 4 by the chemical solution supply means 7. The chemical solution supplied by the chemical solution supply means 7 is supplied in a set amount so as to have a set concentration with respect to the water supplied by the water supply means 5. Furthermore, the stored water in the liquid storage part 4 is similarly heated by the 1st heater 10 as needed. In addition, when warm water can be supplied by the water supply path 14 or the hot water path 41, you may utilize the warm water. Further, the introduction of the chemical solution and the heating of the water supply are not limited to before the operation of the circulation means 8 and may be performed while the circulation means 8 is in operation. In any case, in a state where the liquid is stored in the liquid storage unit 4, the circulation pump 24 is operated to supply the stored liquid to the cleaning nozzle 3 through the circulation pipe 23 and the support member 13. While rotating, the material is sprayed from the nozzle hole of the cleaning nozzle 3 onto the object to be cleaned. Thus, the object to be cleaned is cleaned with water sprayed from the upper and lower cleaning nozzles 3. Then, the water sprayed from each cleaning nozzle 3 is returned to the liquid storage section 4 below the cleaning tank 2. During the circulation, as described above, the circulating water may be heated by the first heater 10 so as to maintain the temperature detected by the first temperature sensor 44 at the set temperature as necessary. When the predetermined end condition is satisfied, the circulation by the circulation pump 24 is stopped, and when the first heater 10 is in operation, it is also stopped, and the drainage means 6 typically drains the water.

ところで、循環手段8は、液貯留部4から洗浄ノズル3へ供給する液体の流量を変更可能に構成される。本実施例では、循環ポンプ24の回転数を変更することで、循環流量を変更可能とされる。具体的には、制御器は、インバータにより、循環ポンプ24のモータへの電源周波数を変更することで、循環ポンプ24の回転数を変更することができる。これにより、循環手段8による循環流量、ひいては洗浄ノズル3からの液体の噴射流量を調整することができる。従って、被洗浄物(特にその汚れ具合)に応じた洗浄が可能となる。たとえば、被洗浄物の汚れがひどければ、循環流量を増し、被洗浄物の汚れが少なければ、循環流量を減らせばよい。   By the way, the circulation means 8 is configured to be able to change the flow rate of the liquid supplied from the liquid reservoir 4 to the cleaning nozzle 3. In the present embodiment, the circulation flow rate can be changed by changing the rotation speed of the circulation pump 24. Specifically, the controller can change the rotation speed of the circulation pump 24 by changing the power supply frequency to the motor of the circulation pump 24 by an inverter. Thereby, the circulation flow rate by the circulation means 8 and the liquid injection flow rate from the washing nozzle 3 can be adjusted. Accordingly, it is possible to perform cleaning according to the object to be cleaned (particularly the degree of contamination). For example, if the object to be cleaned is very dirty, the circulating flow rate is increased. If the object to be cleaned is not very dirty, the circulating flow rate may be decreased.

そして、制御器は、循環流量の変更に応じて、給水手段5による液貯留部4への貯水量を変更するのがよい。もちろん、給水手段5による給水後に循環手段8による循環がなされるので、その点からすれば、貯水量(給水量)の変更に伴い循環流量を変更するともいえる。ただ、通常、洗浄器1は、以下に述べるように、被洗浄物(特にその汚れ具合)に応じて、運転開始に先立って予め洗浄強度(言い換えれば循環流量)が設定され、それに応じて貯水量(給水量)が設定され、それら設定に基づき運転される。   And a controller is good to change the water storage amount to the liquid storage part 4 by the water supply means 5 according to the change of a circulating flow rate. Of course, since the circulation by the circulation means 8 is performed after the water supply by the water supply means 5, it can be said that the circulation flow rate is changed in accordance with the change of the water storage amount (water supply amount). However, as described below, the cleaning device 1 normally has a cleaning strength (in other words, a circulating flow rate) set in advance prior to the start of operation in accordance with the object to be cleaned (particularly, the degree of contamination), and stores water accordingly. The amount (water supply amount) is set, and operation is performed based on these settings.

具体的には、制御器は、たとえばタッチパネルのような設定器に接続されており、運転開始に先立って予め循環手段8による循環流量(言い換えれば循環ポンプ24の回転数)が設定され、その設定値に基づき液貯留部4への貯水量(言い換えれば給水手段5による給水量)が変更される。その際、循環手段8による循環流量が少ないほど(つまり循環ポンプ24の回転数が低いほど)、液貯留部4への貯水量(つまり給水手段5による給水量)が少なくなるよう制御されるのがよい。   Specifically, the controller is connected to a setting device such as a touch panel, for example, and the circulation flow rate by the circulation means 8 (in other words, the rotation speed of the circulation pump 24) is set in advance prior to the start of operation. Based on the value, the amount of water stored in the liquid storage unit 4 (in other words, the amount of water supplied by the water supply means 5) is changed. At that time, the amount of water stored in the liquid storage unit 4 (that is, the amount of water supplied by the water supply means 5) is controlled to decrease as the circulation flow rate by the circulation means 8 decreases (that is, the rotation speed of the circulation pump 24 decreases). Is good.

具体例を説明すると、本実施例の洗浄器1は、たとえば、「パワフル運転」「第一省エネ運転」および「第二省エネ運転」の三段階で、出力(洗浄能力)を切替可能とされる。この切替えは、運転開始前に、前述した設定器により、ユーザによりなされる。たとえば、被洗浄物の汚れがひどければパワフル運転に設定し、被洗浄物の汚れがひどくなければ、汚れの程度に応じて、第一省エネ運転、またはこれよりさらに洗浄力が弱いが省エネの第二省エネ運転に設定すればよい。   Explaining a specific example, the cleaning device 1 of the present embodiment can switch the output (cleaning ability) in three stages, for example, “powerful operation”, “first energy saving operation”, and “second energy saving operation”. . This switching is performed by the user by the setting device described above before the start of operation. For example, if the object to be cleaned is very dirty, set it to powerful operation. Two energy saving operation can be set.

パワフル運転における循環ポンプ24の回転数は、第一省エネ運転や第二省エネ運転よりも高く、通常、許容される最大出力とされる。また、第一省エネ運転における循環ポンプ24の回転数は、パワフル運転よりも低いが、第二省エネ運転よりも高い。さらに、第二省エネ運転における循環ポンプ24の回転数は、パワフル運転や第一省エネ運転よりも低い。   The rotational speed of the circulation pump 24 in the powerful operation is higher than that in the first energy-saving operation and the second energy-saving operation, and is normally set to the maximum allowable output. Further, the rotational speed of the circulation pump 24 in the first energy saving operation is lower than that in the powerful operation, but is higher than that in the second energy saving operation. Furthermore, the rotation speed of the circulation pump 24 in the second energy saving operation is lower than that in the powerful operation and the first energy saving operation.

そして、循環ポンプ24の回転数が低いほど、液貯留部4への貯水量(つまり給水手段5による給水量)が少なくなるよう制御される。具体的には、給水手段5による給水時、液位検出器が設定水位になるまで給水するが、パワフル運転における設定水位は、第一省エネ運転や第二省エネ運転よりも高い。また、第一省エネ運転における設定水位は、パワフル運転よりも低いが、第二省エネ運転よりも高い。さらに、第二省エネ運転における設定水位は、パワフル運転や第一省エネ運転よりも低い。   Then, the lower the rotational speed of the circulation pump 24, the smaller the amount of water stored in the liquid storage unit 4 (that is, the amount of water supplied by the water supply means 5) is controlled. Specifically, when water is supplied by the water supply means 5, water is supplied until the liquid level detector reaches the set water level, but the set water level in the powerful operation is higher than in the first energy-saving operation and the second energy-saving operation. Further, the set water level in the first energy saving operation is lower than that in the powerful operation, but is higher than that in the second energy saving operation. Furthermore, the set water level in the second energy saving operation is lower than that in the powerful operation and the first energy saving operation.

循環流量を下げるほど(つまり循環ポンプ24の回転数を下げるほど)貯水量を減らす(つまり設定水位を下げて給水量を減らす)ことができる理由は、次のとおりである。すなわち、循環ポンプ24の回転数によって循環ポンプのNPSH(正味吸込ヘッド)が変動するので、それに合わせて液貯留部4内の貯留水を加減できることになる。つまり、前提として、循環ポンプ24の作動に伴い、液貯留部4内の貯留水は循環ポンプ24に吸い込まれるので、貯留水が枯渇しないように、液貯留部4にはある程度の水量が必要である。そして、その最低限の貯水量は、循環ポンプ24の回転数に応じて異なる。回転数が高ければ、循環ポンプ24の吐出流量が増すので、液貯留部4には比較的多量の水が必要であるし、回転数が低ければ、循環ポンプ24の吐出流量が減るので、液貯留部4の貯水量を減らすことができる。このように、循環ポンプ24の回転数に応じて、液貯留部4への最低限の貯水量は決まるので、その最低限の貯水量以上で定められた設定水位まで給水手段5により給水される。   The reason why the stored water amount can be reduced (that is, the set water level is lowered to reduce the water supply amount) as the circulating flow rate is lowered (that is, the rotational speed of the circulation pump 24 is lowered) is as follows. That is, since the NPSH (net suction head) of the circulation pump varies depending on the rotational speed of the circulation pump 24, the stored water in the liquid storage unit 4 can be adjusted accordingly. That is, as a premise, the water stored in the liquid storage unit 4 is sucked into the circulation pump 24 as the circulation pump 24 is operated, so that a certain amount of water is required in the liquid storage unit 4 so that the stored water is not depleted. is there. The minimum amount of stored water varies depending on the rotational speed of the circulation pump 24. If the rotational speed is high, the discharge flow rate of the circulation pump 24 increases. Therefore, a relatively large amount of water is required in the liquid storage unit 4, and if the rotational speed is low, the discharge flow rate of the circulation pump 24 decreases. The amount of water stored in the storage unit 4 can be reduced. In this way, since the minimum amount of water stored in the liquid storage unit 4 is determined according to the number of rotations of the circulation pump 24, the water supply means 5 supplies water to a set water level determined by the minimum amount of water stored. .

このように、循環水の循環流量を減らせば、貯水量ひいては給水量を減らすことができ、それに伴い、給水時間や排水時間を短縮できる他、設定濃度になるよう給水に投入される薬液の使用量や、設定温度にまで給水を加熱するための時間やエネルギを削減することができる。   In this way, by reducing the circulating flow rate of circulating water, the amount of stored water and thus the amount of water supply can be reduced, and accordingly the water supply time and drainage time can be shortened. The amount and time and energy for heating the feed water to the set temperature can be reduced.

また、洗浄槽2内に設ける洗浄ノズル3の数を変更可能な場合、洗浄ノズル3の数に応じて循環流量を変更し、それに応じて貯水量を変えることもできる。すなわち、洗浄槽2内に設けられる洗浄ノズル3の内、最上部と最下部を除いた各洗浄ノズル3は、支持部材13と共に、設置の有無を切替可能とされる場合がある。なお、洗浄槽2内に設置する洗浄ノズル3の数を変えても、循環ポンプ24の作動時、設置中の洗浄ノズル3からのみ液体が吐出されるよう構成されることは言うまでもない。また、洗浄ノズル3の設置位置に応じて、被洗浄物を載置する網棚の位置も変更可能とされる。これにより、たとえば、比較的大きな被洗浄物を洗浄しようとする場合には、洗浄ノズル3の数を減らして対応することができる。そして、洗浄ノズル3の数の変更に応じて、循環流量ひいては貯水量を変更することもできる。   Moreover, when the number of the cleaning nozzles 3 provided in the cleaning tank 2 can be changed, the circulation flow rate can be changed according to the number of the cleaning nozzles 3 and the water storage amount can be changed accordingly. That is, among the cleaning nozzles 3 provided in the cleaning tank 2, the cleaning nozzles 3 except for the uppermost part and the lowermost part together with the support member 13 may be switchable in the presence or absence of installation. Needless to say, even when the number of cleaning nozzles 3 installed in the cleaning tank 2 is changed, liquid is discharged only from the cleaning nozzles 3 being installed when the circulation pump 24 is operated. Further, the position of the net shelf on which the object to be cleaned is placed can be changed according to the installation position of the cleaning nozzle 3. Thus, for example, when a relatively large object to be cleaned is to be cleaned, the number of cleaning nozzles 3 can be reduced. And according to the change of the number of the washing nozzles 3, it is also possible to change the circulation flow rate and thus the water storage amount.

≪超音波洗浄動作≫
超音波洗浄動作は、洗浄槽2内において、被洗浄物を液体に浸漬して超音波洗浄する動作である。具体的には、まず、液位検出器が設定水位を検出するまで、給水手段5により液貯留部4に給水する。この際、洗浄槽2内の被洗浄物が水没(つまり被洗浄物を浸漬)するまで、洗浄槽2内に給水する。洗浄槽2内の被洗浄物が水没するのであれば、必ずしも洗浄槽2内の上部まで給水する必要はない。また、シャワー洗浄動作と同様に、必要に応じて、薬液供給手段7により、所望の薬液を洗浄槽2内へ投入してもよいし、第一ヒータ10により、貯留水を設定温度に加熱してもよい。そして、超音波振動子43を作動させるが、超音波振動子43の作動は、場合により、洗浄槽2内への給水中(特に少なくとも一部の被洗浄物を浸漬後)や、あるいは洗浄槽2内の貯留液の加熱中において開始してもよい。また、超音波洗浄中、循環ポンプ24を作動させて、洗浄ノズル3からの水の噴射を併用してもよい。洗浄槽2内の上方に配置された被洗浄物は、場合により超音波が当たり難く洗浄効果が薄れる場合があるが、洗浄ノズル3からのシャワー洗浄を併用することで、洗浄ノズル3からの液体の噴射とそれによる貯留水の流動とにより、すべての被洗浄物を効果的に洗浄することができる。所定の終了条件を満たすと、超音波振動子43を停止する他、第一ヒータ10や循環ポンプ24を作動中の場合にはそれも停止して、典型的には排水手段6により排水する。
≪Ultrasonic cleaning operation≫
The ultrasonic cleaning operation is an operation for ultrasonic cleaning by immersing an object to be cleaned in a liquid in the cleaning tank 2. Specifically, first, water is supplied to the liquid storage unit 4 by the water supply means 5 until the liquid level detector detects the set water level. At this time, water is supplied into the cleaning tank 2 until the object to be cleaned in the cleaning tank 2 is submerged (that is, the object to be cleaned is immersed). If the object to be cleaned in the cleaning tank 2 is submerged, it is not always necessary to supply water to the upper part in the cleaning tank 2. Similarly to the shower cleaning operation, if necessary, a desired chemical solution may be introduced into the cleaning tank 2 by the chemical solution supply means 7, or the stored water is heated to a set temperature by the first heater 10. May be. Then, the ultrasonic vibrator 43 is operated, and the ultrasonic vibrator 43 may be operated depending on the case, for supplying water into the cleaning tank 2 (particularly after immersing at least a part of the object to be cleaned) or the cleaning tank. You may start in the heating of the stored liquid in 2. FIG. Further, during the ultrasonic cleaning, the circulation pump 24 may be operated to use water jet from the cleaning nozzle 3 together. The object to be cleaned disposed in the upper part of the cleaning tank 2 may be difficult to be subjected to ultrasonic waves in some cases and the cleaning effect may be diminished. However, the liquid from the cleaning nozzle 3 can be obtained by using shower cleaning from the cleaning nozzle 3 together. All the objects to be cleaned can be effectively cleaned by the injection of the water and the flow of the stored water. When the predetermined end condition is satisfied, the ultrasonic vibrator 43 is stopped, and also when the first heater 10 and the circulation pump 24 are in operation, they are also stopped and typically drained by the draining means 6.

≪乾燥動作≫
乾燥動作は、洗浄槽2内に熱風を吹き込んで、被洗浄物を乾燥させる動作である。具体的には、送風機9を作動させると共に給気弁31を開放すればよい。また、第二ヒータ11を作動させることで、洗浄槽2内へ熱風を送り込むことができる。この際、第二温度センサ45の検出温度に基づき第二ヒータ11を制御することで、熱風の温度を設定温度に維持することができる。送風機9からの熱風は、第一給気路30a、循環配管23および支持部材13を介して、洗浄ノズル3を回転させながら、洗浄ノズル3のノズル孔から噴射される。また、これと並行して、送風機9からの熱風は、第二給気路30bおよびジャケット12を介して、洗浄槽2内へ供給される。これら熱風は、洗浄槽2の上部の排気路33から導出され、図示例では、前述したように一部を入れ替えながら送風機9により循環される。
≪Drying action≫
The drying operation is an operation of blowing hot air into the cleaning tank 2 to dry the object to be cleaned. Specifically, the blower 9 may be operated and the air supply valve 31 may be opened. Moreover, hot air can be sent into the cleaning tank 2 by operating the second heater 11. At this time, the temperature of the hot air can be maintained at the set temperature by controlling the second heater 11 based on the temperature detected by the second temperature sensor 45. Hot air from the blower 9 is jetted from the nozzle hole of the cleaning nozzle 3 while rotating the cleaning nozzle 3 through the first air supply path 30 a, the circulation pipe 23 and the support member 13. In parallel with this, hot air from the blower 9 is supplied into the cleaning tank 2 via the second air supply path 30 b and the jacket 12. These hot air is led out from the exhaust passage 33 at the upper part of the cleaning tank 2 and is circulated by the blower 9 while exchanging a part as described above in the illustrated example.

本実施例の洗浄器1は、上述したシャワー洗浄動作、超音波洗浄動作および乾燥動作を組み合わせて運転される。以下、典型的な運転方法の一例について説明する。初期状態において、各弁16,19,29,31,38,42は閉じられ、各ポンプ22,24、各ヒータ10,11,40、送風機9および超音波振動子43は停止している。但し、排水弁19は、運転開始前には開いた状態にしておき、運転開始時に閉じてもよい。いずれにしても、運転開始に先立って、洗浄槽2内には、被洗浄物が収容され、洗浄槽2のドアは気密に閉じられる。   The cleaning device 1 of this embodiment is operated by combining the above-described shower cleaning operation, ultrasonic cleaning operation, and drying operation. Hereinafter, an example of a typical driving method will be described. In the initial state, the valves 16, 19, 29, 31, 38, 42 are closed, and the pumps 22, 24, the heaters 10, 11, 40, the blower 9, and the ultrasonic vibrator 43 are stopped. However, the drain valve 19 may be opened before the operation is started and closed when the operation is started. In any case, before the start of operation, an object to be cleaned is accommodated in the cleaning tank 2, and the door of the cleaning tank 2 is closed in an airtight manner.

本実施例の洗浄器1は、予洗工程、シャワー洗浄工程、超音波洗浄工程、濯ぎ工程、除染工程および乾燥工程の内、選択された工程を含んで実行する。但し、これら工程のすべてを実行可能に構成せずに、たとえば予洗工程は、場合により省略可能である。いずれにしても、どの工程をどのような順序で行うか(また各工程を何回行うか)は、予め設定されている。たとえば、運転開始に先立ち、ユーザにより設定器を介して設定される。典型的には、上記各工程の内、選択された工程を順に実行する。そして、所定の運転開始ボタンにより運転開始が指示されると、制御器は、選択された工程を順次に実行する。以下、各工程の具体的内容を説明する。なお、以下において、設定温度は、工程ごとに異なったものとでき、設定時間も、工程ごとに異なったものとできるのは、言うまでもない。   The cleaning device 1 according to the present embodiment includes a pre-cleaning process, a shower cleaning process, an ultrasonic cleaning process, a rinsing process, a decontamination process, and a drying process, and includes selected processes. However, for example, the pre-washing step can be omitted without being configured so that all of these steps can be performed. In any case, which process is performed in what order (and how many times each process is performed) is set in advance. For example, prior to the start of operation, it is set by the user via a setting device. Typically, among the above steps, the selected steps are executed in order. When the operation start is instructed by a predetermined operation start button, the controller sequentially executes the selected processes. Hereinafter, the specific content of each process is demonstrated. In the following description, it goes without saying that the set temperature can be different for each process, and the set time can be different for each process.

予洗工程は、前記シャワー洗浄動作を用いて、薬液を投入しない水で、被洗浄物を洗浄する工程である。具体的には、給水手段5により設定水位まで給水して、通常、薬液供給手段7による薬液を投入せずに、また第一ヒータ10を作動させずに、循環ポンプ24を作動させて、シャワー洗浄動作を実施する。そして、設定時間経過すると、循環ポンプ24を停止して、排水手段6により貯留水を排水する。   The pre-cleaning step is a step of cleaning the object to be cleaned with water that is not charged with a chemical solution using the shower cleaning operation. Specifically, water is supplied to the set water level by the water supply means 5, and usually the chemical pump by the chemical liquid supply means 7 is not charged, and the first heater 10 is not operated, the circulation pump 24 is operated, and the shower is performed. Perform the cleaning operation. When the set time elapses, the circulation pump 24 is stopped and the stored water is drained by the drainage means 6.

シャワー洗浄工程は、前記シャワー洗浄動作を用いて、薬液(洗剤)を投入した水(洗浄水)で、被洗浄物を洗浄する工程である。具体的には、給水手段5により設定水位まで給水すると共に、薬液供給手段7により薬液を投入して設定濃度の洗浄水とする。そして、第一ヒータ10を作動させると共に、循環ポンプ24を作動させて、シャワー洗浄動作を実施する。循環水が設定温度(たとえば40℃)に到達してから、設定時間経過すると、第一ヒータ10による加熱や循環ポンプ24による循環を停止する。そして、排水手段6により排水するが、排水せずに、次工程の超音波洗浄工程で、洗浄水を継ぎ足して利用してもよい。   A shower washing | cleaning process is a process of wash | cleaning a to-be-washed | cleaned object with the water (washing water) which supplied the chemical | medical solution (detergent) using the said shower washing | cleaning operation | movement. Specifically, water is supplied to the set water level by the water supply means 5 and the chemical liquid is supplied by the chemical liquid supply means 7 to obtain a set concentration of cleaning water. Then, the first heater 10 is activated and the circulation pump 24 is activated to perform the shower cleaning operation. When the set time elapses after the circulating water reaches a set temperature (for example, 40 ° C.), heating by the first heater 10 and circulation by the circulation pump 24 are stopped. And although it drains with the drainage means 6, you may add and use washing water at the ultrasonic cleaning process of the next process, without draining.

超音波洗浄工程は、前記超音波洗浄動作を用いて、被洗浄物を超音波洗浄する工程である。具体的には、給水手段5により設定水位まで給水すると共に、薬液供給手段7により薬液(通常はシャワー洗浄工程と同じ薬液)を投入して設定濃度の洗浄水とする。そして、第一ヒータ10を作動させると共に、超音波振動子43を作動させて、超音波洗浄動作を実施する。この際、所望により循環ポンプ24を作動させてシャワー洗浄動作を併用してもよい。貯留水が設定温度に到達してから、設定時間経過すると、第一ヒータ10の他、超音波振動子43や循環ポンプ24を停止する。そして、排水手段6により排水するが、次工程で、設定温度を上げたシャワー洗浄工程(高温洗浄工程)を実施する場合には、全量を排水せずに、洗浄水の一部のみを排水して残りを利用してもよい。   The ultrasonic cleaning step is a step of ultrasonically cleaning the object to be cleaned using the ultrasonic cleaning operation. Specifically, water is supplied to the set water level by the water supply means 5 and a chemical liquid (usually the same chemical liquid as that in the shower cleaning process) is supplied by the chemical liquid supply means 7 to obtain a cleaning water having a set concentration. And while operating the 1st heater 10, the ultrasonic transducer | vibrator 43 is operated and ultrasonic cleaning operation | movement is implemented. At this time, if necessary, the circulation pump 24 may be operated to use a shower cleaning operation together. When the set time elapses after the stored water reaches the set temperature, the ultrasonic vibrator 43 and the circulation pump 24 are stopped in addition to the first heater 10. Then, the water is drained by the drainage means 6, but in the next process, when a shower cleaning process (high temperature cleaning process) with an increased set temperature is performed, only a part of the cleaning water is drained without draining the entire amount. You can use the rest.

濯ぎ工程は、予洗工程と同様の工程であり、液貯留部4に水を貯留した後、循環ポンプ24を作動させて、洗浄ノズル3から水を噴射して、被洗浄物を濯ぐ工程である。この際、第一ヒータ10により貯留水を設定温度まで加熱してもよい。また、場合により、貯留水に薬液を投入してもよい。設定時間だけ水を循環させた後、循環ポンプ24を停止する。そして、排水手段6により、液貯留部4から排水する。典型的には、濯ぎ工程を設定回数(少なくとも1回)繰り返す。具体的には、給水手段5による給水と、循環手段8による設定時間の循環と、排水手段6による排水とのセットを設定回数(たとえば2回)繰り返す。   The rinsing step is a step similar to the pre-washing step, in which water is stored in the liquid storage unit 4 and then the circulation pump 24 is operated to inject water from the cleaning nozzle 3 to rinse the object to be cleaned. is there. At this time, the stored water may be heated to the set temperature by the first heater 10. Moreover, you may throw a chemical | medical solution into stored water depending on the case. After circulating water for a set time, the circulation pump 24 is stopped. And it drains from the liquid storage part 4 by the drainage means 6. Typically, the rinsing process is repeated a set number of times (at least once). Specifically, a set of water supply by the water supply means 5, circulation of a set time by the circulation means 8, and drainage by the drainage means 6 is repeated a set number of times (for example, twice).

除染工程は、シャワー洗浄工程と同様の工程であるが、水温が異なる。除染工程では、循環水は、熱水(65℃以上95℃以下の高温水)とされる。第一ヒータ10で熱水まで加熱してもよいが、予め加熱タンク36において熱水を用意しておき、給水路14からの給水の代わりに、加熱タンク36から熱水を給水すれば、運転時間の短縮を図ることができる。除染工程では、被洗浄物に噴射される液体の温度を確実に消毒温度に維持できるように、循環ポンプ24の出口側にも第一温度センサ44を設けておき、その温度に基づき第一ヒータ10を制御するようにしてもよい。なお、除染工程では、所望により、薬液供給手段7により薬液(たとえば潤滑防錆剤および/または乾燥促進剤)を投入してもよい。循環水が設定温度以上である積算時間が設定時間に達すると、第一ヒータ10や循環ポンプ24を停止して、排水手段6により排水する。   The decontamination process is the same process as the shower cleaning process, but the water temperature is different. In the decontamination process, the circulating water is hot water (high temperature water of 65 ° C. or more and 95 ° C. or less). The hot water may be heated by the first heater 10, but if hot water is prepared in the heating tank 36 in advance and hot water is supplied from the heating tank 36 instead of the water supply from the water supply path 14, the operation is performed. Time can be shortened. In the decontamination process, a first temperature sensor 44 is provided on the outlet side of the circulation pump 24 so that the temperature of the liquid sprayed on the object to be cleaned can be reliably maintained at the disinfection temperature. The heater 10 may be controlled. In the decontamination step, a chemical solution (for example, a lubricating rust preventive agent and / or a drying accelerator) may be added by the chemical solution supply means 7 as desired. When the accumulated time in which the circulating water is equal to or higher than the set temperature reaches the set time, the first heater 10 and the circulation pump 24 are stopped and drained by the draining means 6.

乾燥工程は、前記乾燥動作を用いて、被洗浄物を熱風により乾燥させる工程である。具体的には、送風機9を作動させると共に給気弁31を開放すればよい。また、第二ヒータ11を作動させることで、洗浄槽2内へ熱風を送り込むことができる。設定時間経過すると、第二ヒータ11や送風機9を停止する。   The drying step is a step of drying the object to be cleaned with hot air using the drying operation. Specifically, the blower 9 may be operated and the air supply valve 31 may be opened. Moreover, hot air can be sent into the cleaning tank 2 by operating the second heater 11. When the set time has elapsed, the second heater 11 and the blower 9 are stopped.

なお、このような一連の各工程の終了後、完了工程として、所定操作がなされるまでか所定時間が経過するまで、送風機9を間欠的に運転してもよい。この際、第二ヒータ11による加熱は行わない。完了工程の実施により、洗浄槽2内の被洗浄物への結露の付着を防止することができる。   In addition, after completion | finish of such a series of processes, you may drive the air blower 9 intermittently until a predetermined operation is made or predetermined time passes as a completion process. At this time, heating by the second heater 11 is not performed. By performing the completion step, it is possible to prevent the condensation from adhering to the object to be cleaned in the cleaning tank 2.

本発明の洗浄器1は、前記実施例の構成(制御を含む)に限らず適宜変更可能である。特に、液貯留部4付きの洗浄槽2の他、洗浄ノズル3、給水手段5、排水手段6、循環手段8および制御手段を備え、循環手段8は、液貯留部4から洗浄ノズル3へ供給する液体の流量を変更可能に構成され、制御手段は、前記流量の変更に応じて、給水手段5による液貯留部4への貯水量を変更するのであれば、その他の構成は、適宜に変更可能である。   The cleaning device 1 of the present invention is not limited to the configuration (including control) of the above-described embodiment, and can be changed as appropriate. In particular, in addition to the cleaning tank 2 with the liquid storage unit 4, the cleaning nozzle 3, the water supply unit 5, the drainage unit 6, the circulation unit 8, and the control unit are provided, and the circulation unit 8 supplies the cleaning nozzle 3 from the liquid storage unit 4. The flow rate of the liquid to be changed can be changed, and if the control means changes the amount of water stored in the liquid storage unit 4 by the water supply means 5 in accordance with the change in the flow rate, other configurations can be changed as appropriate. Is possible.

たとえば、前記実施例では、循環流量を変更するために、循環ポンプ24をインバータ制御したが、循環ポンプ24をオンオフ制御しつつ、循環ポンプ24の出口側に設けた流量調整弁の開度を調整して、循環流量を調整してもよい。   For example, in the embodiment, the circulation pump 24 is inverter-controlled to change the circulation flow rate, but the opening degree of the flow rate adjustment valve provided on the outlet side of the circulation pump 24 is adjusted while the circulation pump 24 is on / off controlled. Then, the circulation flow rate may be adjusted.

また、前記実施例において、加熱タンク36は、場合により省略可能である。また、超音波洗浄動作を実施しないのであれば、超音波振動子43を省略でき、乾燥動作を実施しないのであれば、送風機9や第二ヒータ11を省略してもよい。   Moreover, in the said Example, the heating tank 36 can be abbreviate | omitted by the case. In addition, if the ultrasonic cleaning operation is not performed, the ultrasonic vibrator 43 can be omitted, and if the drying operation is not performed, the blower 9 and the second heater 11 may be omitted.

また、前記実施例では、シャワー洗浄動作において、循環流量やそれに伴う貯水量を、パワフル運転、第一省エネ運転および第二省エネ運転の三段階で変更する例について説明したが、二段階で変更したり、あるいは四段階以上で変更したりしてもよいし、場合により連続的に変更可能としてもよい。   In the above embodiment, the example in which the circulation flow rate and the amount of water stored in the shower cleaning operation are changed in three stages of the powerful operation, the first energy saving operation, and the second energy saving operation has been described. Or may be changed in four or more stages, or may be changed continuously in some cases.

さらに、前記実施例では、被洗浄物は、洗浄槽2内の網棚に対し出し入れされたが、洗浄槽2内に洗浄ラックを出し入れ可能とし、その洗浄ラックの網棚に被洗浄物を収容可能としてもよい。その場合、上下複数段に設けられる洗浄ノズル3(特に最上部および/または最下部の洗浄ノズル3以外の洗浄ノズル3)は、洗浄ラックに設けられる。洗浄ラックには、前記実施例と同様に、一側部に、上下複数段にアーム状の支持部材13が設けられ、各支持部材13に洗浄ノズル3が回転可能に保持される。そして、洗浄槽2に洗浄ラックを収容した状態で、循環ポンプ24からの液体(または送風機9からの空気)を洗浄ラックの洗浄ノズル3へ供給可能に、洗浄ラック側の支持部材13への流体供給口と、洗浄槽2側の循環ポンプ24からの配管の流体吐出口とが、着脱可能に接続される。なお、洗浄ラックは、下端部にキャスターが設けられたワゴン状とされてもよい。また、前記実施例において洗浄槽2内の上下両端部に設けられた洗浄ノズル3の内、一方または双方は、洗浄ラックに設けるのではなく、洗浄槽2の側に設けられてもよい。   Furthermore, in the said Example, although the to-be-cleaned object was taken in / out with respect to the net shelf in the washing tank 2, a washing rack can be taken in / out in the washing tank 2, and to-be-cleaned object can be accommodated in the net shelf of the washing rack Also good. In that case, the cleaning nozzles 3 (in particular, the cleaning nozzles 3 other than the uppermost and / or lowermost cleaning nozzles 3) provided in a plurality of upper and lower stages are provided in the cleaning rack. As in the above-described embodiment, the cleaning rack is provided with arm-shaped support members 13 in a plurality of upper and lower stages on one side, and the cleaning nozzle 3 is rotatably held by each support member 13. In the state where the cleaning rack is accommodated in the cleaning tank 2, the fluid from the circulation pump 24 (or the air from the blower 9) can be supplied to the cleaning nozzle 3 of the cleaning rack so that the fluid to the support member 13 on the cleaning rack side can be supplied. The supply port and the fluid discharge port of the pipe from the circulation pump 24 on the cleaning tank 2 side are detachably connected. Note that the cleaning rack may have a wagon shape with a caster at the lower end. In the embodiment, one or both of the cleaning nozzles 3 provided at the upper and lower end portions in the cleaning tank 2 may be provided on the cleaning tank 2 side instead of being provided in the cleaning rack.

1 洗浄器
2 洗浄槽
3 洗浄ノズル
4 液貯留部
5 給水手段
6 排水手段
7 薬液供給手段
8 循環手段
9 送風機
10 第一ヒータ
11 第二ヒータ
23 循環配管
24 循環ポンプ
DESCRIPTION OF SYMBOLS 1 Washer 2 Washing tank 3 Washing nozzle 4 Liquid storage part 5 Water supply means 6 Drainage means 7 Chemical liquid supply means 8 Circulation means 9 Blower 10 First heater 11 Second heater 23 Circulation piping 24 Circulation pump

Claims (3)

被洗浄物が収容される洗浄槽と、この洗浄槽内の被洗浄物へ液体を噴射する洗浄ノズルと、前記洗浄槽内の下部に連接された液貯留部と、この液貯留部への給水手段と、前記液貯留部からの排水手段と、前記液貯留部の液体を前記洗浄ノズルへ循環供給する循環手段と、前記各手段を制御する制御手段とを備え、
前記循環手段は、前記液貯留部から前記洗浄ノズルへ供給する液体の流量を変更可能に構成され、
前記制御手段は、前記流量の変更に応じて、前記給水手段による前記液貯留部への貯水量を変更する
ことを特徴とする洗浄器。
A cleaning tank in which the object to be cleaned is accommodated, a cleaning nozzle for injecting liquid to the object to be cleaned in the cleaning tank, a liquid reservoir connected to the lower part in the cleaning tank, and water supply to the liquid reservoir Means, draining means from the liquid storage part, circulation means for circulating and supplying the liquid in the liquid storage part to the cleaning nozzle, and control means for controlling each means,
The circulation means is configured to be capable of changing the flow rate of the liquid supplied from the liquid storage unit to the cleaning nozzle,
The said control means changes the amount of water storage to the said liquid storage part by the said water supply means according to the change of the said flow volume. The washer characterized by the above-mentioned.
前記循環手段は、前記液貯留部から前記洗浄ノズルへの配管に、インバータを用いて回転数を変更可能な循環ポンプを備え、
前記制御手段は、設定された回転数に応じて、回転数が低いほど前記給水手段による前記液貯留部への貯水量を減らす
ことを特徴とする請求項1に記載の洗浄器。
The circulation means includes a circulation pump capable of changing the number of rotations using an inverter in a pipe from the liquid storage unit to the cleaning nozzle,
2. The cleaning device according to claim 1, wherein the control unit reduces the amount of water stored in the liquid storage unit by the water supply unit in accordance with the set number of rotations as the number of rotations decreases.
前記給水手段により給水された水への薬液供給手段と、前記液貯留部内の貯留水または前記循環手段による循環水を加熱する第一ヒータとをさらに備え、
前記制御手段は、前記給水手段による水に前記薬液供給手段による薬液を混入し、その液体を前記第一ヒータにより設定温度に加熱すると共に前記循環手段により設定時間循環させた後、前記排水手段により排水する、薬液投入付きシャワー洗浄動作を実行可能とされ、
この薬液投入付きシャワー洗浄動作では、前記薬液の濃度が設定濃度になるように、前記給水手段による前記液貯留部への貯水量に応じて、前記薬液供給手段による薬液供給量を変更する
ことを特徴とする請求項1または請求項2に記載の洗浄器。
A chemical supply means to the water supplied by the water supply means, and a first heater for heating the stored water in the liquid storage section or the circulating water by the circulation means,
The control means mixes the chemical solution from the chemical supply means into the water from the water supply means, heats the liquid to a set temperature by the first heater and circulates the set time by the circulation means, and then causes the drain means to It is possible to perform the shower cleaning operation with chemical solution input to drain,
In this shower cleaning operation with chemical solution charging, the chemical solution supply amount by the chemical solution supply unit is changed according to the amount of water stored in the liquid storage unit by the water supply unit so that the concentration of the chemical solution becomes a set concentration. The washer according to claim 1 or 2, characterized by the above.
JP2015148198A 2015-07-28 2015-07-28 Washer Pending JP2017023985A (en)

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KR20200014648A (en) * 2018-08-01 2020-02-11 주식회사 이트랜씨엔씨 Real-time Fishery Environment Information Acquisition System
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