WO2007009295A1 - Equipement automatique pour la desinfection - Google Patents

Equipement automatique pour la desinfection Download PDF

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Publication number
WO2007009295A1
WO2007009295A1 PCT/CN2005/001087 CN2005001087W WO2007009295A1 WO 2007009295 A1 WO2007009295 A1 WO 2007009295A1 CN 2005001087 W CN2005001087 W CN 2005001087W WO 2007009295 A1 WO2007009295 A1 WO 2007009295A1
Authority
WO
WIPO (PCT)
Prior art keywords
pipe
water flow
water
sensor
sterilizing device
Prior art date
Application number
PCT/CN2005/001087
Other languages
English (en)
Chinese (zh)
Inventor
Weng Kuong Ieong
Wai Kei Huen
Yun Li
Original Assignee
Weng Kuong Ieong
Wai Kei Huen
Yun Li
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Weng Kuong Ieong, Wai Kei Huen, Yun Li filed Critical Weng Kuong Ieong
Priority to PCT/CN2005/001087 priority Critical patent/WO2007009295A1/fr
Priority to CNA2005800500177A priority patent/CN101194074A/zh
Publication of WO2007009295A1 publication Critical patent/WO2007009295A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/126—Installations for disinfecting or deodorising waste-water plumbing installations

Definitions

  • This invention relates to an automatic sterilizing apparatus, and more particularly to an apparatus for detecting the flow of water in a wash basin or a toilet sewer system and automatically adding a disinfectant thereto when the water flows. Background technique
  • the Chinese utility model patent ZL200420020940.9 discloses a toilet including an ozone generator.
  • the power of the ozone generator is started, and the ozone outlet installed in the toilet cover is placed in the toilet.
  • the space supplies ozone to sterilize the exposed surfaces of the air and components in the toilet.
  • Japanese Patent No. 1,205,531 discloses a toilet including an ozone disinfecting device, in which ozone gas flows from the outlet of the sterilizing device into the internal space of the toilet, and then returns through the inlet of the sterilizing device, thereby realizing air to the air. Disinfection with the exposed surface of the part.
  • the ozone supply device is included in the above-described prior art toilet, the ozone therein is only the exposed surface of the air supplied to the inside of the toilet and its components, and the ozone gas is not supplied to the discharged waste water to disinfect it. Therefore, it cannot solve the aforementioned problems that the discharged wastewater may endanger public safety.
  • Chinese utility model patent ZL02271551.7 discloses an ozone wash basin, When the wash basin is used, ozone gas is added to the water in the basin instead of the cleaning liquid, thereby achieving the effect of cleaning by the opponent. In this prior art, since ozone gas is supplied to the water, the effect of disinfecting the discharged wastewater is actually achieved.
  • the present invention provides an automatic sterilizing apparatus which automatically adds a disinfectant to discharged waste water when a water flow flows in a sewage pipe.
  • the invention provides an automatic disinfecting device for disinfecting a sewer pipe, comprising: an automatic switch, which is disconnected when no water flows through the sewer pipe, and is closed when there is water flowing through the sewer pipe; the disinfectant supply device The disinfectant supply device is connected to the automatic switch and supplies the disinfectant to the lower water conduit in response to the closing of the automatic switch.
  • the automatic switch is any one of a water flow sensor switch, a voice switch, a tact switch, and a human body sensor switch.
  • the sterilizing device automatically operates when the water flow is flowing, and the sterilizing device automatically stops working when the water flow is stopped, and the operation is convenient.
  • the sterilizing device By disinfecting the wastewater before it enters the public sewer system, it can effectively isolate the spread of viruses or harmful bacteria through the sewer, thus maintaining public health security.
  • DRAWINGS BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic block diagram showing an automatic sterilizing apparatus which can be used in the present invention.
  • FIG. 2 shows a schematic block diagram of the processing circuit used in Figure 1.
  • Figures 3 and 4 show the installation position of the water flow sensor and the disinfectant injection position, respectively.
  • Fig. 5 is a schematic view showing the structure of a single-terminal water flow sensor.
  • Fig. 6 is a schematic view showing the structure of a two-terminal water flow sensor.
  • Fig. 7 is a circuit diagram showing a processing circuit for a resistive sensor. detailed description
  • FIG. 1 shows a schematic block diagram of an automatic disinfection apparatus that can be used in the present invention.
  • the sewer pipe 1 is connected to a hand basin or toilet not shown in Fig. 1.
  • the sensor 2 is mounted on the sewer pipe 1 to detect the flow of the water flow and output a detection signal.
  • the processing circuit 3 receives the detection signal from the sensor 2, and after processing it, determines whether or not to output a signal to the switching device 4 based on the state of the water flow of the sewer pipe 1, thereby controlling the start and stop of the disinfectant supply device 5.
  • the processing circuit 3 when the water flow flows in the sewage pipe 1, the processing circuit 3 outputs a high-level driving signal to cause the switching device 4 to be closed, whereby the disinfectant supply device 5 supplies the disinfectant into the water pipe 1.
  • the processing circuit 3 When the water flow stops flowing, the processing circuit 3 outputs a driving signal of a low level to turn off the switching device 4, thereby stopping the supply of the disinfectant.
  • the disinfectant supply device 5 may be an ozone generator. When the water flows in the sewer pipe 1, the ozone generator is activated, and a disinfectant is added to the discharged waste water to achieve the disinfection effect. More generally, the disinfectant supply device 5 can also be various types of devices that supply other gaseous, liquid or solid powdered disinfectants. Disinfectants and corresponding disinfectants can be selected according to the type of virus and bacteria desired to be killed. Give the device. For example, the disinfectant supply device 5 may be a device that injects a diluted chlorine dioxide disinfectant solution into the water pipe 1 using a pump.
  • Fig. 2 shows a schematic block diagram of the processing circuit 3 used in Fig. 1.
  • the sensor 2 is shown as a variable capacitor.
  • the processing circuit 3 is composed of an oscillator 30 and a filter 31 which forms the oscillation capacitance of the oscillator 30, and the oscillation frequency of the oscillator 30 depends on the capacitance value of the capacitor.
  • the oscillator 30 has a first oscillation frequency when no water flows through the sensor 2. When there is a flow of water at the sensor 2, the capacitance value of the capacitor changes, causing the oscillation frequency of the oscillator 30 to change to have a second oscillation frequency.
  • the filter 31 allows only signals of one of the first and second oscillation frequencies to pass. This signal acts as a signal for the output of the processing circuit 3 to drive the switching device 4 to close.
  • Figures 3 and 4 show different embodiments of the installation position of the water flow sensor 2 and the disinfectant injection position, respectively, showing the connection of the washbasin 6 to the sewer pipe 1.
  • the disinfectant injection port is provided at the bottom end of the trap of the sewer pipe 1, because dirt and bacteria are most likely to accumulate there.
  • the disinfectant injection port may be disposed at any position of the sewer pipe 1.
  • the sensor 2 is mounted at the tip end of the bent pipe downstream of the trap, and in Fig. 4, the sensor 2 is installed at the horizontal straight pipe downstream of the trap. If there is no water flow, there is usually no water present at the above locations of the sensor 2 in Figures 3 and 4.
  • the senor 2 can be installed at any position in the sewer pipe 1 except for the trap. As long as there is no water flow, there is no water at this position, and when the water flows, the water flow passes through the position. At such a position, the water flow sensor 2 of the present invention is capable of detecting a signal of the flow of the water.
  • Fig. 5 is a schematic view showing the structure of a single-terminal water flow sensor 2 which is mounted on a conductive metal pipe 1.
  • a hole is formed in the wall of the metal pipe 1, and a boss portion of the insulating bracket 201 is disposed in the opening.
  • the detecting electrode 200 as a probe passes through the insulating holder 201 in the middle of the boss so that one end is located in the pipe 1 and the other end extends to the outside of the pipe 1 as a lead terminal, and the detecting electrode 200 and the metal
  • the pipe 1 is isolated by the insulating bracket 201.
  • the insulating holder 201 further includes a locking portion including a screw hole on the other side of the pipe 1, via which the locking screw 202 contacts the pipe wall, and the insulating bracket 201 is fixed by adjusting the degree of screwing of the locking screw 202.
  • a gasket can be used between the insulating bracket 201 and the wall of the pipe 1 to prevent water leakage.
  • any other type of fixture may be employed, as will be appreciated by those skilled in the art.
  • the sensor 2 includes only one lead terminal as one electrode 200 of the variable capacitor, and the other electrode 203 of the variable capacitor is formed by a metal pipe wall. In use, a lead is drawn from the sensor 2 and the metal tube wall, the lead being connected to the processing circuit 3.
  • the medium between the two electrodes 200, 203 is mainly air, and when the water flows, the medium between the two electrodes 200, 203 becomes mainly composed of water.
  • the capacitance value of the sensor 2 changes due to a change in the medium between the electrodes 200, 203.
  • Fig. 6 is a schematic view showing the structure of a two-terminal water flow sensor 2 which is typically mounted on a non-metallic pipe 1.
  • the sewer pipe 1 is disconnected at the position where the two-terminal water flow sensor 2 is mounted, and external threads are formed at both ends of the formed sewer pipe 1.
  • the two-terminal water flow sensor 2 includes a tubular insulating casing 212 which is internally threaded at both ends to form a threaded connection with both end portions of the sewer pipe 1, respectively.
  • a plurality of parallel annular metal plates 213 and 214 are embedded in the insulating housing 212 as a probe, and the relative positions of the two annular plates 213 and 214 are fixed.
  • Two electrodes 210, 211 are provided through the insulating housing 212, one end of which contacts the annular plates 213, 214, respectively, and the other end extends to the outside of the tube 1 to form a lead terminal.
  • the two lead terminals of the two-terminal water flow sensor 2 are each connected to the processing circuit 3 via one lead to form two electrodes of the variable capacitor.
  • the medium between the two plates 213, 214 of the water flow sensor in this embodiment is mainly composed of air and mainly water, respectively, when no water flows and when the water flows, so that the capacitance value Do not Same.
  • the senor 2 shown in Fig. 6 can also be used for the metal pipe 1.
  • a resistive sensor can be employed which is similar in construction to the capacitive sensor shown in Figure 5, including electrodes extending into the interior of the conduit.
  • the resistive sensor differs from the above capacitive sensor in the resistance value between the detecting electrode and the metal tube wall.
  • the resistance value is about several hundred kilo ohms, and when the water flows, the resistance value becomes about 500 ohms.
  • the water film remaining on the pipe wall may leave the detection electrode and the pipe wall in a low resistance state when water flows through the pipe.
  • Fig. 7 is a circuit diagram showing a processing circuit for the resistive sensor.
  • the sensor 2 and the resistor R1 are connected in series between the power source and the ground to form a bias circuit of the NPN type transistor Q1, and the relay J1 is connected between the power source and the collector of the transistor Q1 as a switching device for controlling the start and stop of the disinfectant supply device.
  • Current limiting resistors R2 and R3 are also included between the base terminal of transistor Q1 and the node between sensor 2 and resistor R1, and between the collector of transistor Q1 and relay J1.
  • inductive switches can also be used, such as the voice-activated time switch (model FY-LSK) produced by Wenzhou Longwan Shacheng Qier Electric Appliance Factory, and the human body sensor switch produced by Ningbo Yinzhou Xiedin Xinda Electronic Instrument Factory. (Model SD86L), Sensor structures and associated signal processing circuits in such switches are well known to those skilled in the art.
  • the voice control switch can be installed near the sewer pipe for detecting the sound of the water flow
  • the human body sensing switch can be installed on the wall near the wash basin for detecting the infrared signal generated by the human body, and detecting or detecting the water flow or detecting the water flow Someone activates the disinfectant supply when using the wash basin.
  • the tact switch mounted on the pipe wall can be directly use to close the tact switch by the pressure when the water flows, and to disconnect the tact switch due to the absence of pressure after the water flow.
  • a sealed type light touch film button for an industrial computer can be employed as the tact switch for use in the present invention.
  • the tact switch can be connected to the bias circuit of the transistor to control the turn-on or turn-off of the transistor, and similar to the circuit shown in Fig. 7, the action of the relay is controlled by the transistor to achieve the purpose of controlling the disinfectant supply device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

Equipement automatique pour désinfecter un drain comprenant un contacteur automatique. Un distributeur de désinfectant est connecté au contacteur et réagit en réponse au contacteur pour libérer le désinfectant. Le contacteur s’obture et permet au distributeur de libérer le désinfectant dans le drain lorsque des déchets passent par le drain, sinon se coupe. L'équipement peut désinfecter les déchets déversés après un usage hospitalier ou domestique.
PCT/CN2005/001087 2005-07-20 2005-07-20 Equipement automatique pour la desinfection WO2007009295A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2005/001087 WO2007009295A1 (fr) 2005-07-20 2005-07-20 Equipement automatique pour la desinfection
CNA2005800500177A CN101194074A (zh) 2005-07-20 2005-07-20 自动消毒装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2005/001087 WO2007009295A1 (fr) 2005-07-20 2005-07-20 Equipement automatique pour la desinfection

Publications (1)

Publication Number Publication Date
WO2007009295A1 true WO2007009295A1 (fr) 2007-01-25

Family

ID=37668428

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2005/001087 WO2007009295A1 (fr) 2005-07-20 2005-07-20 Equipement automatique pour la desinfection

Country Status (2)

Country Link
CN (1) CN101194074A (fr)
WO (1) WO2007009295A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3323948A1 (fr) * 2016-11-21 2018-05-23 Franke Technology and Trademark Ltd Robinet d'ozone d'hôpital
CN109343123A (zh) * 2018-12-14 2019-02-15 北京瀚卫高新技术有限公司 一种水流检测装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103183392B (zh) * 2013-04-02 2014-04-09 绍兴净源环保设备有限公司 一种全自动消毒水槽
CN104389336A (zh) * 2014-11-17 2015-03-04 三明兴业科技（天津）有限公司 带有定量释放菌群装置的楼宇下水管道防堵塞系统

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2122175U (zh) * 1991-10-30 1992-11-18 陆正球 家用污水处理器
FR2808898A1 (fr) * 2000-05-15 2001-11-16 Jean Noel Alexandre Dispositif de distribution automatique d'une solution chimique dans un conduit d'ecoulement
DE10055193A1 (de) * 2000-06-20 2002-01-03 Henkel Kgaa Abdeckvorrichtung für eine Ablauföffnung in einem Spülbecken o.dgl. sowie Verfahren zum Eintragen von chemischen Wirkstoffen in aus einem Spülbecken o.dgl. ablaufendes Wasser
US20030111428A1 (en) * 2001-04-30 2003-06-19 Osprey Biotechnics, Inc. Method and device for preventing the clogging of a drainage system
GB2383393A (en) * 2001-12-21 2003-06-25 Kenneth Richardson Automatic programmed dosing of cleaning agents into pipe and like systems
FR2837224A1 (fr) * 2002-03-18 2003-09-19 Eric Vincent Bonde traitante

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2122175U (zh) * 1991-10-30 1992-11-18 陆正球 家用污水处理器
FR2808898A1 (fr) * 2000-05-15 2001-11-16 Jean Noel Alexandre Dispositif de distribution automatique d'une solution chimique dans un conduit d'ecoulement
DE10055193A1 (de) * 2000-06-20 2002-01-03 Henkel Kgaa Abdeckvorrichtung für eine Ablauföffnung in einem Spülbecken o.dgl. sowie Verfahren zum Eintragen von chemischen Wirkstoffen in aus einem Spülbecken o.dgl. ablaufendes Wasser
US20030111428A1 (en) * 2001-04-30 2003-06-19 Osprey Biotechnics, Inc. Method and device for preventing the clogging of a drainage system
GB2383393A (en) * 2001-12-21 2003-06-25 Kenneth Richardson Automatic programmed dosing of cleaning agents into pipe and like systems
FR2837224A1 (fr) * 2002-03-18 2003-09-19 Eric Vincent Bonde traitante

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3323948A1 (fr) * 2016-11-21 2018-05-23 Franke Technology and Trademark Ltd Robinet d'ozone d'hôpital
US10501356B2 (en) 2016-11-21 2019-12-10 Franke Technology And Trademark Ltd Hospital ozone faucet
CN109343123A (zh) * 2018-12-14 2019-02-15 北京瀚卫高新技术有限公司 一种水流检测装置

Also Published As

Publication number Publication date
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