KR101733429B1 - Dental treatment water generating unit - Google Patents

Dental treatment water generating unit Download PDF

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KR101733429B1
KR101733429B1 KR1020150177901A KR20150177901A KR101733429B1 KR 101733429 B1 KR101733429 B1 KR 101733429B1 KR 1020150177901 A KR1020150177901 A KR 1020150177901A KR 20150177901 A KR20150177901 A KR 20150177901A KR 101733429 B1 KR101733429 B1 KR 101733429B1
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South Korea
Prior art keywords
water
air
chamber
treatment
solenoid valve
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KR1020150177901A
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Korean (ko)
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정환영
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정환영
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/02—Rinsing or air-blowing devices, e.g. using fluid jets or comprising liquid medication
    • A61C17/0217—Rinsing or air-blowing devices, e.g. using fluid jets or comprising liquid medication having means for manually controlling the supply of two or more fluids, e.g. water and air
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/0061—Air and water supply systems; Valves specially adapted therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/0061—Air and water supply systems; Valves specially adapted therefor
    • A61C1/0084—Supply units, e.g. reservoir arrangements, specially adapted pumps
    • A61C1/0092—Pumps specially adapted therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00—Dental auxiliary appliances
    • A61C19/002—Cleaning devices specially adapted for dental instruments
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
    • C02F1/4674—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation with halogen or compound of halogens, e.g. chlorine, bromine
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/24—Halogens or compounds thereof
    • C25B1/26—Chlorine; Compounds thereof
    • C25B1/265—Chlorates
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/34—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis

Abstract

The present invention relates to a dental treatment water generating apparatus, and more particularly, to a dental treatment water generating apparatus capable of producing a dental treatment water having a proper concentration (1) by using a medical water producing tank and an air compressor in which water and air chambers are separated by a diaphragm -2 ppm) of residual chlorine is present in the dental unit and supplied to the dental unit.
An apparatus for generating dental care according to an embodiment of the present invention includes: an air compressor for supplying compressed air;
Dental unit used for dental treatment; And
A tank in which a water chamber and an air chamber are separated by a diaphragm having elasticity and supplies compressed air to an air chamber through an air line connected to the air compressor to discharge dental treatment water generated and stored in a water chamber to a dental unit, A medical water generating tank for generating medical water by inflowing and diluting diluted water and sodium hypochlorite (NaOCl) solution into the water while discharging compressed air from the air chamber to the outside; .

Description

Dental treatment water generating unit

The present invention relates to a dental treatment water generating apparatus, and more particularly, to a dental treatment water generating apparatus capable of producing a dental treatment water having a proper concentration (1) by using a medical water producing tank and an air compressor in which water and air chambers are separated by a diaphragm -2 ppm) of residual chlorine is present in the dental unit and supplied to the dental unit.

In general, dentists are encouraged to use the number of dental visits ("dentists") appropriate to drinking water standards (see the Dental Clinical Infectious Disease Management Program of the Korean Dental Association).

However, as a result of the general bacteria test of the medical water, the cases exceeding the standard of drinking water frequently occur.

Since the number of medical treatments is often used in the same way as compressed air, it is likely to be contaminated. As a result, the water quality is rapidly deteriorated because the water is stagnated for more than 12 hours every day.

Further, since the dental water pipe is thinner than 2 mm, the surface area of the inner wall of the water pipe becomes relatively large, and the amount of effective chlorine consumption increases in inverse proportion to the diameter of the water pipe.

As a result, even if tap water having a residual chlorine concentration of 0.1 to 0.2 ppm is used as a medical water, the water quality is easily deteriorated.

The amount of chlorine required in the treatment water differs depending on the condition of the dental water tube, but if the water tube cleaning is carried out beforehand, the effective chlorine requirement of 1 to 2 ppm is sufficient when using the valley water or ground water as the drinking water.

The residual chlorine concentration suitable for the drinking water standard is 4ppm or less, and it is possible to reduce the troublesome water cleaning work while preventing the contamination of the microorganisms in the medical water by continuously supplying the water with the residual concentration of chlorine (for example, 2ppm).

At present, it is recommended to regularly clean the water tube once a week to manage the water quality of the treatment water, but the water tube washing is not performed well because of the troublesome work.

On the other hand, assuming that the number of treatments used by a dental unit per day is usually 3-5 liters and that the average of about 4 dental units are installed in most dentists, the number of treatments per day exceeds 20 liters The number of medications needed per month is around 500 liters.

In order to increase the concentration of residual chlorine, a comparatively easy and safe chlorine disinfectant, sodium hypochlorite solution, is diluted to produce a running water. If 1 liter of commonly used lactose (sodium hypochlorite 40,000ppm) is used, 20,000 liters of treatment can be generated with 2 ppm.

More safely, for example, one liter of a 1,000 ppm solution can be used for more than a month.

However, since most of the chlorine water treatment devices are designed based on a mass storage tank, there is no space for installation in the dental clinic, which is difficult to apply and installation cost is high.

Recently, a dental treatment water supply device using a disinfecting water generator such as a hypoxic hypochlorous acid water generator has been proposed, but it is also not widely available because it is expensive and the reason for using it as a treatment water conforming to drinking water standards is uncertain.

Patent No. 10-1216227 (Registration date December 20, 2012) Publication No. 10-2014-0103414 (published on August 27, 2014)

DISCLOSURE Technical Problem Accordingly, the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a sealed expansion tank, which is widely used in boiler facilities, (For example, 20 liters) by automatically diluting the diluted water with a dilution water (for example, tap water) in accordance with the chlorine requirement (1 to 2 ppm) of the medical water, And it is an object of the present invention to provide a treatment water generating device which can reduce installation and maintenance costs by simple installation and easy operation while occupying a small space according to a dental practice environment.

In order to achieve the above-mentioned object, a dental treatment water generating apparatus according to an embodiment of the present invention includes a closed expansion tank (hereinafter referred to as " inflator ") having a small capacity (e.g., 20 liters) (Hereinafter, referred to as "the number of treatments") connected to an air line of the air chamber of the operation room, Diluted water and sodium hypochlorite (NaOCl) solution (hereinafter referred to as " undiluted solution ") are introduced into the water chamber while diluting the compressed air in the air chamber to the outside.

 At this time, the control unit controls the treatment water discharging solenoid valve, the diluting water supplying solenoid valve, the discharging solenoid valve, the supply air solenoid valve, and the raw liquid discharging pump provided in the treatment number generating device to generate and dispense the treatment water.

In the operation mode, the exhaust solenoid valve and the dilution water supply solenoid valve are open, and the supply solenoid valve and the water supply solenoid valve are blocked.

When the diluted water and the undiluted solution reach the water chamber at the maximum, the flow sensor does not output a signal for a predetermined time (for example, 30 seconds). At this time, the treatment number generation mode is switched to the treatment number discharge mode.

At this time, the dilution water and the maximum inflow amount of the undiluted solution are the amount of generated water.

In the case of a single number in the operation number generation mode, the flow sensor signal is not output for a predetermined time (for example, 30 seconds) and the operation mode is switched to the operation mode regardless of the amount of generated water.

The source liquid discharge pump delivers a dose amount determined by the treatment water production amount, the residual chlorine concentration of the treatment water, and the stock solution concentration in a fixed quantity in the treatment number generation mode.

For example, if the amount of generated water is 20 liters and the concentration of residual chlorine in the treated water is 2 ppm, a 1000 ml of undiluted solution is dispensed in a dose of 40 ml in the treatment water generating mode and mixed with diluted water.

The supply solenoid valve and the operation water discharge solenoid valve are opened and the exhaust solenoid valve and the dilution water supply solenoid valve are blocked in the above-mentioned water supply mode.

When all of the medical treatment water is discharged in the medical water discharge mode, the water pressure of the medical water discharge line instantaneously decreases to 0 kPa.

When the water pressure decreases below a certain water pressure (for example, 50 kPa), the treatment water discharge mode is switched to the treatment water generation mode by the pressure signal outputted from the pressure sensor.

When the mode is switched to the treatment number generation mode, the treatment water discharging solenoid valve is shut off and the treatment water is not supplied, so it is necessary to supply the treatment water from a separate treatment water storage tank.

The treatment water storage tank supplies the necessary number of treatments while the treatment water is generated, and controls the flow of the treatment water in the treatment water storage tank so that the treatment water is stored again for a predetermined time (for example, 5 minutes) A sealed inflation tank is preferably provided.

For example, assuming that the number of treatments is 20 liters, the usual number of treatment modes is expected to be 10 minutes, 1-2 times a day, and most of the time is the dispenser mode.

Therefore, it is preferable that the medical water discharging solenoid valve and the air supply solenoid valve are normally open solenoid valves, and the dilution water supply solenoid valve, the exhaust solenoid valve, and the medical care feeding solenoid valve are preferably normal close solenoid valves Do.

The configuration of the solenoid valve as described above is such that even if the power supply of the treatment water generating apparatus is shut off, the treatment water can be discharged, and the treatment water supply mode is switched to the treatment water discharge mode, It is the same as when the valve is blocked.

 The air regulator provided in the air line regulates the air chamber so as to supply compressed air of a predetermined pressure. When the pressure of the compressed air supplied from the air compressor is reduced (for example, the power of the air compressor is cut off, It is preferable that the air check valve is provided so that the pressure of the air chamber is maintained and the operation mode is not switched to the operation mode.

According to the solution of the above-mentioned problem, it is possible to continuously supply the treatment water while automatically generating the dental treatment water in which the appropriate concentration (1-2 ppm) of chlorine remains, by diluting the sodium hypochlorite solution, The installation is simple and the operation is easy, and the installation and maintenance costs can be drastically reduced.

1 is a block diagram of a dental treatment water generating apparatus according to an embodiment of the present invention.
FIG. 2 is a block diagram for controlling the dental treatment unit of FIG. 1. FIG.
Fig. 3 is a view showing the dilution water, the undiluted solution, the number of treatments and the flow of air in the operation number generating mode in Fig.
FIGS. 4A and 4B are views showing the dilution water, the raw liquid, the number of treatments and the flow of air in the treatment water dispensing mode in FIG.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

It is to be noted that the same components of the drawings are denoted by the same reference numerals and symbols as possible even if they are shown in different drawings.

In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

Also, when a part is referred to as "including " an element, it does not exclude other elements unless specifically stated otherwise.

1 is a block diagram of a dental treatment water generating apparatus according to an embodiment of the present invention.

As shown in FIG. 1, the treatment water generating tank 10 is a tank for automatically generating a quantity of treatment water when the number of treatments stored in the water chamber 12 is not discharged any more.

The medical water generating tank 10 is divided into an upper water chamber 12 and a lower air chamber 13 by a flexible diaphragm 11 so that an import outlet is formed in the water chamber 12, 13 form air inlets and outlets.

The import outlet formed on the upper portion of the treatment water generating tank 10 is connected to the mixing line L5 and the air inlet / outlet formed on the lower portion is connected to the air line L4.

The medical water generating tank 10 inflows and dilutes diluted water and sodium hypochlorite (NaOCl) solution (hereinafter referred to as "undiluted solution") into the water chamber 12 while discharging the compressed air in the air chamber 13 to the outside, (Hereinafter, referred to as "the number of treatments") and supplies the compressed air of the air compressor 80 to the air chamber 13 to supply the number of treatments generated and stored in the water chamber 12 to the mixing line L5, And supplies it to the dental unit 40 through the water discharge line L6.

At this time, at the front end of the air line L4 Already in dentistry An air solenoid valve 64, an air supply solenoid valve 63, an air regulator 70, and an air check valve 69 are provided in this order on the air line L4, to which an air compressor 80 is connected.

The exhaust solenoid valve 64 is a normally closed solenoid valve that is normally closed to discharge compressed air in the air chamber 13 to the outside and is opened by a control unit 60 to be described later, The valve 63 is a normally open solenoid valve that is normally open and then blocked by a control unit 60, which will be described later.

The air regulator 70 maintains a constant pressure (supplied to the air chamber 13 of the treatment water generating tank 10) to the rear end in the pressure range supplied from the front end by the air compressor 80, The air check valve 69 prevents the pressure of the air chamber 13 of the treatment water generating tank 10 from being reduced even when a pressure supplied by the air compressor 80 is reduced.

In the middle of the mixing line L5, the undiluted solution supply line L1 is branched and connected to the pressure sensor 67, and the diluted water supply line L2 and the treatment water discharge line L6 are branched do.

The dilution water and the undiluted solution are supplied to the water chamber 12 of the water treatment tank 10 through the mixing line L3 and the water is discharged from the water chamber 12 of the treatment water producing tank 10 .

The leading end of the undiluted solution supply line L1 is connected to the undiluted solution tank 20 in which the undiluted solution is stored and the undiluted solution supply line L1 is provided with the undiluted solution discharge pump 68, The raw liquid is dispensed in a fixed quantity.

The pressure sensor 67 detects a pressure signal of the number of medical care dispensed from the water chamber 12 and outputs it to the control unit 60 to be described later.

In addition, the dilution water supply line (L2) is provided with a dilution water supply solenoid valve (62) and a flow rate sensor (66), and the front end is connected to, for example, a tap water supply pipe.

The dilution water supply solenoid valve 62 is a normal close solenoid valve that is normally closed and opened by a control unit 60 described later.

The flow rate sensor 66 detects a flow rate signal of the diluted water to be supplied and outputs the flow rate signal to the control unit 60 to be described later.

The medical water discharging solenoid valve 61 provided in the medical water discharging line L6 is a normal open solenoid valve which is normally opened and then closed by a control unit 60 which will be described later.

In the course of the treatment water dispensing line L6, the treatment supply / dispensing line L7 is branched and connected to the treatment water storage tank 30, and a medical treatment feeding / inserting solenoid valve 65 is provided on the medical treatment feeding / .

The treatment water storage tank 30 stores the number of treatments discharged from the water chamber 12 and supplied to the dental unit 40. When the treatment water discharge solenoid valve 61 is blocked in the treatment number generating mode, For example, a sealed expansion tank.

The medical care feeding / inserting solenoid valve 65 is a normally closed solenoid valve that is normally closed and opened by a control unit 60 to be described later.

The unexplained reference numeral 41 is a dental unit chair, which is a chair for a patient to sit for medical treatment or treatment.

FIG. 2 is a block diagram for controlling the dental treatment unit of FIG. 1, FIG. 3 is a view showing the dilution water, the raw liquid, the number of treatments and the air flow in the treatment number generating mode, Fig. 1 is a view showing the dilution water, the undiluted solution, the number of treatments and the flow of air in the treatment water dispensing mode.

2, a pressure sensor 67, a flow rate sensor 66, and a power switch 71 are connected to an input terminal of the control unit 60. [

A dilution water supply solenoid valve 62, an air supply solenoid valve 63, an air discharge solenoid valve 64, a medical care feeding and inserting solenoid valve 65, and an undiluted solution supply source 65 are connected to an output end of the control unit 60. [ And a discharge pump 68 is connected.

The control unit 60 controls the solenoid valves 61, 62, 63, 64, and 64 based on signals sensed by the flow sensor 66 provided in the pressure sensor 67 and the dilution water supply line L2 provided in the mixing line L5. , 65 and the liquid discharge pump 68 are controlled.

3, the dilution water is not supplied any more when the water and dilution water are completely filled in the water chamber 12, so that the flow rate sensor 66 no longer outputs the flow rate signal, When the time (for example, 30 seconds) has elapsed, the operation is switched to the treatment water ejection mode of FIG. 4A to cut off the dilution water supply and the air discharge to the outside, and control water is discharged while supplying compressed air.

At this time, the number of treatments discharged from the water chamber 12 is also stored in the treatment water storage tank 30, and when a predetermined time (for example, 5 minutes) elapses, the treatment water flow in and out of the treatment water storage tank 30 is blocked do.

When the treatment water in the water chamber 12 is completely discharged in the treatment water discharging mode, the water pressure of the treatment water is reduced to a certain pressure (for example, 50 kPa) or less and the pressure signal of the pressure sensor 67 is switched back to the treatment number generating mode As shown in FIG. 3, the supply of the medical water stored in the medical water storage tank 30 is started, the supply of the medical water and the supply of the compressed air are stopped, the diluted water is supplied while the air is discharged to the outside, So that the ink can be supplied and discharged.

For example, if the maximum storage amount of the treatment water producing tank 10 is 20 liters and the concentration of the raw liquid is 1000 ppm, 40 ml of the raw liquid may be discharged and mixed diluted with the diluting water to control the treatment water to generate 2 ppm.

When the medical water is completely stored and stored in the water chamber 12, the water pressure rises corresponding to the water pressure of the tap water. When the water pressure exceeds a predetermined water pressure, the water can be switched to the medicine water discharging mode. It is preferable to switch to the discharge mode.

That is, when the signal of the flow rate sensor 66 is not outputted for a predetermined time (for example, 30 seconds) at the time of a single number, the operation mode can be switched to the treatment water discharging mode.

First, configurations connected to an input terminal of the controller 60 will be described.

The pressure sensor 66 is provided in the mixing line L5 to detect the water pressure of the water discharged from the water chamber 12 and outputs it to the control unit 60. The control unit 60 controls the water level When the water pressure of the mixing line L5 is reduced to a certain pressure (for example, 50 kPa) or less without being discharged, it is detected through the pressure sensor 66 provided in the mixing line L5 to start the supply of stored stored water The supply of the medical water from the water chamber 12 and the supply of the compressed air to the air chamber 13 are cut off and the diluted water is supplied while discharging the air to the outside and the stock solution of the stock solution container 20 is discharged (See FIG. 3).

That is, when the water pressure detected by the pressure sensor 66 is completely discharged from the water chamber 12 and the water pressure of the mixing line L5 is reduced to 50 kPa or less, the control unit 60 enters the treatment number generating mode accordingly And controls the supply / supply solenoid valve 65 to be opened as shown in FIG. 3 so that the supply solenoid valve 63 and the treatment water discharging solenoid valve 61 are closed, and the exhaust solenoid valve 64 and the diluting water supply The raw liquid is supplied to the water chamber 12 by controlling the solenoid valve 62 so that the diluted water is supplied to the water chamber 12 and the raw liquid discharging pump 68 is controlled to discharge the raw liquid in the raw liquid tank 20 in a fixed amount.

If the dilution water supplied through the dilution water supply line L2 in the treatment number generation mode completely fills the water chamber 12 and the flow rate signal is not detected by the flow rate sensor 66 for a predetermined time (for example, 30 seconds) The control unit 60 controls the supply of the dilution water to the water chamber 12 and the discharge of air to the outside and supplies the compressed air to the air chamber 13 so as to discharge the water from the water chamber (see Fig. 4A).

That is, if the flow rate sensor 66 does not detect a flow rate signal for a predetermined time (for example, 30 seconds), the control unit 60 enters the treatment water discharge mode accordingly and the diluted water supply solenoid valve 62 And controls the air supply solenoid valve 63 and the treatment water discharge solenoid valve 61 to be opened to discharge the treatment water from the treatment water generating tank 10.

At this time, the medical care feeding / inserting solenoid valve 65 is shut off after a predetermined time (for example, 5 minutes).

The treatment water discharging solenoid valve 61 is provided in the treatment water discharging line L6 and is connected to the control unit 60 in accordance with the detection signals of the flow rate sensor 66 and the pressure sensor 67 To control the dispensing of the number of the medical care wastes discharged from the water chamber 12.

The dilution water supply solenoid valve 62 is provided in the dilution water supply line L2 and is controlled by the control unit 60 in accordance with the detection signals of the flow rate sensor 66 and the pressure sensor 67, And the supply of the diluting water supplied to the water chamber 12 through the mixing line L5.

The air supply solenoid valve 63 is provided in the air line L4 and is controlled by the control unit 60 in accordance with the detection signals of the flow rate sensor 66 and the pressure sensor 67, We control supply.

The exhaust solenoid valve 64 is provided in the air line L4 and is controlled by the control unit 60 in accordance with the detection signals of the flow rate sensor 66 and the pressure sensor 67, Control the exhaust of air.

The medical care feeding and inserting solenoid valve 65 is provided in the medical care feeding inlet and outlet line L7 and is controlled by the control unit 60 in accordance with the detection signals of the flow rate sensor 66 and the pressure sensor 67, And the inflow and outflow of the medical water stored or dispensed to the patient.

The raw liquid dispensing pump 68 is provided in the raw liquid supply line L1 and is controlled by the control unit 60 in accordance with the detection signals of the flow rate sensor 66 and the pressure sensor 67 to be supplied to the water chamber 12 ).

As described above, the present invention is based on the fact that the dental unit is already provided with the air compressor 80 A method of using a characteristic of a sealed expansion tank in which a water chamber and an air chamber are separated is used for a treatment water generating tank 10 and a dental treatment water quantity is generated in a quantitative manner and supplied, The operation of the treatment number generating device can be controlled, and the installation and maintenance cost can be drastically reduced while simplifying the structure.

Although the preferred embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that various modifications, additions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims.

In addition, it is a matter of course that various modifications and variations are possible without departing from the scope of the technical idea of the present invention by anyone having ordinary skill in the art.

10: medical water generating tank 11: diaphragm
12: water chamber 13: air chamber
20: stock tank 30:
40: Dental unit 60:
61: Clinical water discharge solenoid valve 62: Dilution water supply solenoid valve
63: supply solenoid valve 64: exhaust solenoid valve
65: Clinical nursing access solenoid valve 66: Flow sensor
67: pressure sensor 68: raw liquid discharge pump
L1: undiluted solution supply line L2: diluted water supply line
L4: Air line L5: Mixed line
L6: Surgical drainage line L7: Surgical drainage drainage line

Claims (7)

An air compressor for supplying compressed air;
Dental unit used for dental treatment; And
A tank in which an inner space is divided into a water chamber and an air chamber by a diaphragm,
The compressed air is supplied to the air chamber through the air line connected to the air compressor to discharge the number of dental treatments (hereinafter referred to as "the number of treatments") generated and stored in the water chamber to the dental unit,
A treatment water generating tank for infusing diluted water and sodium hypochlorite (NaOCl) solution (hereinafter referred to as " undiluted solution ") into the water chamber while discharging the compressed air in the air chamber to the outside, To
Including,
Wherein the diaphragm is formed of a stretchable material and deformed in accordance with a pressure change in a space inside the treatment water generating tank,
Wherein the dilution water and the undiluted solution flow into the water chamber or flow through the mixing line through which the dilution water and the undiluted solution flow,
The mixing line is provided with a stock solution supply line for supplying a stock solution and a dilution water supply line for supplying dilution water. When the stock solution and the dilution water are introduced into the mixing line, they are mixed and diluted in the process of moving to the water side, And the water is introduced into the water chamber through the import outlet. The method according to claim 1,
Wherein the air chamber is formed with an air inlet / outlet connected to the air line, so that compressed air is supplied to the air chamber through the air line or is discharged from the air chamber. 3. The method of claim 2,
The dilution water supply line connected to the dilution water supply line and the treatment water discharge line connected to the dental unit are branched and connected to the front end of the mixing line, ,
Wherein the raw liquid supply line is provided with a raw liquid discharge pump for delivering the raw liquid in a fixed amount to the water chamber,
The dilution water supply line is provided with a dilution water supply solenoid valve for interrupting the supply of the dilution water supplied to the water chamber and a flow rate sensor for detecting the flow rate of the dilution water supplied to the water chamber,
Wherein the treatment water discharge line is provided with a treatment water discharge solenoid valve for interrupting the discharge of the treatment water discharged from the water chamber,
Wherein the mixing line is provided with a pressure sensor for detecting the pressure of the medical water discharged from the water chamber. The method of claim 3,
The air line is provided with an exhaust solenoid valve for interrupting the discharge of the compressed air discharged from the air chamber to the outside, an air supply solenoid valve for interrupting supply of the compressed air supplied to the air chamber, And an air check valve for keeping the pressure of the air chamber constant even if the pressure of the compressed air supplied from the air compressor is decreased. 5. The method of claim 4,
A supply water supply solenoid valve, a dilution water supply solenoid valve, an air supply solenoid valve, an exhaust solenoid valve, and an undiluted solution discharge pump are switched according to the flow rate or pressure detected by the flow rate sensor and the pressure sensor, And a controller for controlling the operation of the dental treatment unit. 6. The method of claim 5,
The control unit switches to the treatment number generating mode when the pressure of the treatment number detected by the pressure sensor is not more than a predetermined pressure,
Wherein when the dilution water is not supplied to the water chamber for more than a predetermined time in the treatment number generation mode and the flow rate of the dilution water detected by the flow rate sensor is equal to or lower than a constant flow rate, the treatment water dispensing mode is switched to the treatment water dispensing mode. 6. The method of claim 5,
The medical care feeding and discharging line connected to the medical treatment water storage tank for supplying and storing the number of medical care solutions discharged from the water chamber for a certain period of time in the medical water discharge mode, Branched,
Wherein the medical care feeding / inserting line is provided with a medical care feeding / inserting solenoid valve for controlling the inflow / outflow of the medical water stored in the medical care water storage tank or discharged from the medical water storage tank under the control of the control unit .
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Cited By (1)

* Cited by examiner, † Cited by third party
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EP3644020B1 (en) * 2018-10-24 2021-12-01 Dürr Dental SE Compressed air compressor system with sensor unit

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KR200359449Y1 (en) * 2004-03-22 2004-08-21 구자형 Water purifier for dental clinic
JP2010269138A (en) * 2009-04-23 2010-12-02 Family Life:Kk Sterilized water producing device for chair unit

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KR200359449Y1 (en) * 2004-03-22 2004-08-21 구자형 Water purifier for dental clinic
JP2010269138A (en) * 2009-04-23 2010-12-02 Family Life:Kk Sterilized water producing device for chair unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3644020B1 (en) * 2018-10-24 2021-12-01 Dürr Dental SE Compressed air compressor system with sensor unit

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