KR102046092B1 - Apparatus and Method of Controlling fluid for Dental Clinic - Google Patents

Abstract

The present invention relates to an apparatus of controlling a fluid for a dental clinic, and a method therefor. More specifically, the apparatus of controlling a fluid for a dental clinic comprises: an air control unit configured to control flow of compressed air; an upper plate unit capable of storing, therein, the compressed air introduced from the air control unit; a lower plate unit including at least one fluid pipe which receives a fluid from the outside and discharges the fluid; and a fluid control unit attached to one surface of the upper plate unit and one surface of the lower plate unit, and operated by force of the compressed air stored in the upper plate unit so as to control flow of the fluid. The air control unit includes: an air pipe through which the compressed air flows; a valve opened and closed by input or removal of external force so as to control the flow of compressed air in the air pipe; and an opening/closing means configured to open the air pipe from a rear end of the valve towards the outside when the valve is closed. According to the present invention, it is not necessary to have a separate water valve so that the number of components is reduced, thereby reducing a failure rate of the apparatus.

Description

Apparatus and Method of Controlling Fluid for Dental Clinic

The present invention relates to a dental fluid control device and method, and more particularly, to a dental fluid control device and method that can adjust the fluid used in the dental treatment, including the air conditioning unit, the upper plate, the lower plate and the fluid control unit About

Some dental tools for the treatment of teeth in dentistry use fluids such as air or water. For example, in the case of air, it may be supplied to a dental tool to provide a turning force for polishing operations such as tartar removal of the tooth surface, and water may be used to clean the mouth and reduce the heat of friction generated by polishing. Can be used.

Fluid such as air or water may be pressurized by a compressor (or pump) and delivered to the tool through a tube (piping). Accordingly, there is a need for means such as valves that can regulate the flow of the fluid.

On the other hand, a plurality of dental treatment tools are mounted on the doctor table of the dental unit chair. If the means for regulating the flow of the fluid should be provided for each tube (piping) connected to the dental tools, a fairly complex tube connection structure is inevitable. The more complex the connection structure, the greater the volume and the higher the failure rate.

In order to reduce this complexity, the pipe connection structure may be integrated in the form of a master block. That is, a plurality of pipes are configured inside the block, and valves capable of adjusting the flow rate of the branch and the fluid are installed. As such, the master block can contribute to simplifying the complexity of the piping of the fluid used in the dental treatment tool.

In the case of the existing master block, the compressed air is supplied from the air valve connected to the foot-key provided in the dental unit chair. It is designed to supply water into the master block by the water valve operated by the compressed air. As such, the existing master block has a disadvantage in that the water valve is necessarily provided separately. Korean Patent Laid-Open No. 10-2008-0013696, which is a prior art, includes such a problem as it is.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to provide an apparatus and method for efficiently controlling the flow of a fluid while having a small volume.

It is still another object of the present invention to provide a dental fluid control device having a reduced failure rate by reducing the number of parts.

Furthermore, another object of the present invention is to provide a dental fluid control device that satisfies workability and durability in manufacturing or maintenance.

Dental fluid control device according to an embodiment of the present invention for achieving the above object, an air control unit for adjusting the flow of compressed air; An upper plate portion capable of storing therein compressed air introduced from the air conditioner; A lower plate formed therein with at least one fluid pipe for supplying and discharging fluid from the outside; And a fluid control unit attached to one surface of the upper plate and one surface of the lower plate and operated by a force of compressed air stored in the upper plate to control the flow of the fluid. The air control unit may include: Flowing air piping; A valve which opens and closes upon input or removal of an external force to control the flow of compressed air in the air pipe; And opening and closing means for opening the air pipe to the outside at the rear end of the valve when the valve is closed.

When the external force is input from the outside, the air control unit closes the valve to block the flow of the compressed air, and when the external force is removed, the valve is opened to allow the compressed air to flow to direct the compressed air to the upper plate part. It can flow in.

The external force is preferably input or removed by the operation of the foot-key of the dental unit chair.

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Dental fluid control device according to an embodiment of the present invention for achieving the above object, an air control unit for adjusting the flow of compressed air; An upper plate portion capable of storing therein compressed air introduced from the air conditioner; At least one fluid pipe for supplying and discharging fluid from the outside is formed therein, the lower plate portion is formed on the upper surface of the groove formed in the outlet and the inlet of the fluid pipe; A membrane of an elastic material attached to one surface of the upper plate and one surface of the lower plate and operated by a force of compressed air stored in the upper plate to control the flow of the fluid; And one or more protrusions formed on a lower surface of the membrane, wherein the lower surface of the membrane is attached to an upper surface of the lower plate to form a fluid storage space into which the fluid flows along with the groove, and the upper surface of the membrane is the upper plate portion. It is attached to the lower surface of the air storage space in which the compressed air flows from the air control unit to form with the inside of the upper plate portion, the pressure of the compressed air introduced into the air storage space is greater than a predetermined first reference value When the protrusion blocks at least one of the outlet and the inlet, and the pressure of the compressed air introduced into the air storage space is less than a predetermined second reference value, the protrusion and the outlet and the inlet according to the magnitude of the pressure Through the change in the orifice cross-sectional area formed by at least one, the flow rate of the fluid can be adjusted.

The protrusion is preferably formed in a conical shape.

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The air adjusting unit may adjust the amount of the compressed air flows according to the magnitude of the external force input from the outside.

In addition, the size of the external force is preferably adjusted according to the degree of the foot-key of the dental unit chair is pressed.

The dental fluid control device may further include an interface unit configured to receive request information corresponding to the flow rate of the fluid, and the air control unit may adjust an amount of the compressed air flowing according to the input request information. desirable.

Preferably, the request information includes information of a dental care tool selected by a user.

According to an embodiment of the present invention for achieving the above object, a method of controlling a fluid using a dental fluid control device including an air control unit, an upper plate, a lower plate and a fluid control unit, the air control unit, compression Adjusting the flow of air into the upper plate; Storing the introduced compressed air by the upper plate; And controlling the flow of the fluid in the one or more fluid pipes included in the lower plate by the pressure of the stored compressed air, wherein the fluid control unit is disposed on one surface of the upper plate and one surface of the lower plate. Is attached, the air control unit, the air pipe through which the compressed air flows; A valve which opens and closes upon input or removal of an external force to control the flow of compressed air in the air pipe; And when the valve is closed, it may include an opening and closing means for opening the air pipe to the outside from the rear end of the valve.

According to an embodiment of the present invention for achieving the above object, an air conditioner, an upper plate, a lower plate, an elastic film attached to one surface of the upper plate and one surface of the lower plate and at least one formed on the lower surface of the membrane Method for controlling the fluid by using a dental fluid control device comprising a projection, the air control unit, controlling the flow of compressed air to flow into the upper plate portion; Storing the introduced compressed air by the upper plate; And adjusting, by the elastic membrane, the flow of fluid in one or more fluid pipes included in the lower plate by the pressure of the stored compressed air, wherein the adjusting includes: an upper surface and the upper plate of the membrane. The projection is at least one of an outlet and an inlet of the fluid pipe formed in the groove of the upper surface of the lower plate when the pressure of the compressed air introduced into the air storage space formed by the inside of the lower plate is equal to or greater than a predetermined first reference value; When the pressure of the compressed air introduced into the air storage space is less than a second predetermined reference value, by changing the orifice cross-sectional area formed by at least one of the protrusion, the outlet and the inlet according to the pressure, The flow rate of the fluid can be adjusted.

In the step of introducing into the upper plate, the air control unit is adjusted according to the degree of pressing the foot-key of the dental unit chair to adjust the flow of the compressed air according to the input pressure or the request information received through the interface Can be.

According to various embodiments of the present disclosure, an apparatus and method for efficiently controlling the flow of a fluid while having a small volume may be provided.

In addition, according to various embodiments of the present disclosure, it is not necessary to provide a separate water valve, thereby providing a dental fluid control apparatus having a reduced failure rate by reducing the number of parts.

In addition, according to various embodiments of the present disclosure, it is possible to provide a dental fluid control device that satisfies workability and durability during manufacture or maintenance.

1 is a schematic diagram of a dental fluid control apparatus according to an embodiment of the present invention.
Figure 2 is a conceptual diagram showing the operation of the dental fluid control apparatus according to an embodiment of the present invention.
3 is an exploded perspective view of a master block that is part of a dental fluid control apparatus according to an embodiment of the present invention.
Figure 4 is a conceptual diagram showing the operation of the dental fluid control apparatus according to an embodiment of the present invention.
5 is a conceptual diagram showing the operation of the dental fluid control apparatus according to an embodiment of the present invention.
6 is a conceptual diagram illustrating an operation of an air conditioner according to an exemplary embodiment of the present invention.
7 is a flow chart illustrating a dental fluid control method according to an embodiment of the present invention.

The following merely illustrates the principles of the invention. Therefore, those skilled in the art, although not explicitly described or illustrated herein, can embody the principles of the present invention and invent various devices that fall within the spirit and scope of the present invention. In addition, all conditional terms and embodiments listed herein are in principle clearly intended to be understood only for the purpose of understanding the concept of the invention and are not to be limited to the specifically listed embodiments and states. do.

In addition, it is to be understood that all detailed descriptions, including the principles, aspects, and embodiments of the present invention, as well as the specific embodiments, are intended to include structural and functional equivalents thereof. In addition, these equivalents should be understood to include not only equivalents now known, but also equivalents to be developed in the future, that is, all devices invented to perform the same function regardless of structure.

Thus, for example, the flowcharts herein should be understood to represent the conceptual aspects of exemplary circuits embodying the principles of the invention. Similarly, all flowcharts, state transitions, pseudocodes, and the like are understood to represent various processes performed by a computer or processor, whether or not the computer or processor is substantially illustrated on a computer readable medium and whether the computer or processor is clearly shown. Should be.

The functionality of the various elements shown in the figures, including functional blocks represented by a processor or similar concept, can be provided by the use of dedicated hardware as well as hardware capable of executing software in association with appropriate software. When provided by a processor, the functionality may be provided by a single dedicated processor, by a single shared processor or by a plurality of individual processors, some of which may be shared.

In addition, the explicit use of terms presented in terms of processor, control, or similar concept should not be interpreted exclusively as a citation to hardware capable of running software, and without limitation, ROM for storing digital signal processor (DSP) hardware, software. (ROM), RAM, and non-volatile memory are to be understood to implicitly include. Other hardware for the governor may also be included.

In the claims of this specification, components expressed as means for performing the functions described in the detailed description include all types of software including, for example, a combination of circuit elements or firmware / microcode, etc. that perform the functions. It is intended to include all methods of performing a function and are combined with appropriate circuitry for executing the software to perform the function. The invention, as defined by these claims, is equivalent to what is understood from this specification, as any means capable of providing such functionality, as the functionality provided by the various enumerated means are combined, and in any manner required by the claims. It should be understood that.

The above objects, features, and advantages will become more apparent from the following detailed description taken in conjunction with the accompanying drawings, whereby those skilled in the art may easily implement the technical idea of the present invention. There will be. In addition, in describing the present invention, when it is determined that the detailed description of the known technology related to the present invention may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted.

Hereinafter, various embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a schematic diagram of a dental fluid control apparatus according to an embodiment of the present invention. As shown in Figure 1, the dental fluid control device 10 according to an embodiment of the present invention, the air control unit 100, the upper plate 200, the lower plate 300 and the fluid control unit 400 It may include.

The air conditioner 100 may adjust the flow of compressed air discharged from an air compressor (not shown). The adjusting may be a concept including controlling the flow of air as in the solenoid valve and adjusting the flow rate of the air continuously or stepwise.

The upper plate 200 may store the compressed air introduced from the air conditioner 100 therein. The compressed air may be stored in a pipe formed inside the upper plate. In addition, according to another embodiment, it may be stored in the empty space formed inside the upper plate portion rather than the pipe.

The lower plate part 300 may have one or more fluid pipes 310 configured therein to receive and discharge fluid from the outside. The fluid can be supplied for the operation of the dental treatment tool, preferably water or air.

The upper plate 200 and the lower plate 300 is preferably made of a material that ensures durability, such as metal.

The fluid control unit 400 is attached to one surface of the upper plate 200 and one surface of the lower plate 300, and is operated by the force of the compressed air stored in the upper plate 200 to flow the fluid. Can be adjusted. The fluid control unit 400 is inserted between the one surface of the upper plate portion 200 and one surface of the lower plate portion 300 as meat of a sandwich, and integrally assembled together with the upper plate portion 200 and the lower plate portion 300. Can be.

Such an assembly may form one block form, ie a master block. By configuring the assembly in this way, when disassembling the upper plate 200 and the lower plate 300, the fluid control unit 400 can be easily disassembled, the exchange of the fluid control unit 400 is easy. In addition, workability is improved when the assembly is manufactured. In addition, a separate means or method for attaching heterogeneous materials may be excluded, and thus durability may be improved.

Figure 2 is a conceptual diagram showing the operation of the dental fluid control apparatus according to an embodiment of the present invention. As shown in FIG. 2 (a), when the external force is input from the outside, the air control unit 100 blocks the flow of the compressed air.

In addition, as shown in FIG. 2 (b), when the external force is removed, the air adjusting unit 100 allows the compressed air to flow, thereby allowing the compressed air to flow into the upper plate 200. . That is, the air conditioner 100 is of a normal-open type.

In addition, the air adjusting unit 100 includes an air pipe 110 through which the compressed air flows and a valve 120 to control the flow of the compressed air, and when the external force is input, the valve 120 Is blocked to block the flow of compressed air, and when the external force is removed, the valve 120 opens to allow the compressed air to flow, the external force being controlled by the operation of the foot-key (not shown) of the dental unit chair. It is preferred to be entered or removed by.

For example, when the foot-key of the dental unit chair is pressed, the valve 120 which is mechanically connected may be blocked. Alternatively, the valve may be configured to be blocked or opened by an electronic control means rather than a mechanism.

3 is an exploded perspective view of a master block that is part of a dental fluid control apparatus according to an embodiment of the present invention. As shown in FIGS. 2 and 3, the fluid control unit 400 includes an elastic membrane 410, and an outlet of the fluid pipe 310 is formed on an upper surface of the lower plate 300. The groove 320 having the 311 and the inlet 312 may be formed. The film 410 may be implemented with a diaphragm.

In addition, it is preferable to provide a space in which the film 410 can shrink or fan by forming a groove 320 that can form a space on the upper surface of the lower plate portion 300. That is, the bottom surface of the membrane 410 may be attached to the top surface of the lower plate 300 to form a fluid storage space 330 into which the fluid flows along with the groove 320.

An upper surface of the membrane 410 is attached to a lower surface of the upper plate 200 to form an air storage space 210 into which the compressed air flows together with the inside of the upper plate 200, and the compressed air is When the fluid is introduced into the fluid storage space 330 from the air control unit 100, the membrane 410 may block any one or more of the outlet 311 and the inlet 312 by the pressure of the compressed air. It is preferable.

One embodiment of the present invention is to configure the membrane 410 to open and close both the outlet 311 and the inlet 312. This configuration is advantageous for the blocking of accurate fluid flow.

Figure 4 is a conceptual diagram showing the operation of the dental fluid control apparatus according to an embodiment of the present invention. As shown in FIG. 4, one or more protrusions 411 are formed on the bottom surface of the membrane 410, and the protrusions 411 when the pressure in the air storage space 210 is greater than or equal to a predetermined first reference value. ) May block any one or more of the outlet 311 and the inlet 312.

The first reference value takes into account the pressure of the compressed air, so that when the foot-key is pressed, the pressure inside the storage space 210 ensures that the protrusion 411 determines the outlet 311 or the inlet 312. It can be specified with sufficient margin to prevent it. The first reference value may be adjusted by adjusting the material, thickness, or tension of the film 410.

5 is a conceptual diagram showing the operation of the dental fluid control apparatus according to an embodiment of the present invention. As shown in FIG. 5, the air conditioner 100 adjusts the flow rate of the compressed air to adjust the pressure inside the air storage space 210 and the pressure inside the air storage space 210. When the pressure is adjusted to less than the second predetermined reference value, an orifice cross-sectional area formed by any one or more of the protrusion 411, the outlet 311, and the inlet 312 changes according to the magnitude of the pressure, It is desirable to allow the flow rate to be adjusted.

That is, in one embodiment of the present invention shown in FIG. 5, the air conditioner 100 may not continuously regulate the fluid, but may continuously or stepwise adjust the flow rate of the fluid. The second reference value may be set to be equal to or smaller than the first reference value.

The orifice cross-sectional area may mean an effective cross-sectional area through which a fluid flows in the inside of a pipe. When the projection 411 is formed in the membrane 410 as described above, it is advantageous to continuously adjust the flow rate of the fluid. Preferably, the protrusion 411 may be formed in a conical shape as shown in FIG. 5. Correspondingly, the inlet 312 or the outlet 311 may also be formed in a conical shape so that the protrusion 411 may be in surface contact when the inlet 312 or the outlet 311 blocks.

The air adjusting unit 100 may adjust the amount of the compressed air flows according to the magnitude of the external force input from the outside. In addition, the dental fluid control device 10 further includes a foot-key (not shown) for the dental unit chair, the magnitude of the external force is adjusted according to the degree of pressing the foot-key (not shown). desirable.

In such an embodiment, the flow rate of the fluid may change according to the degree of pressing the foot-key (not shown) to adjust the rotational strength of the dental treatment tool or the water discharge rate.

In addition, the dental fluid control device 10 further includes an interface unit (not shown) for receiving request information corresponding to the flow rate of the fluid, the air control unit 100, the input request information It is preferable to adjust the amount of the compressed air flowing in accordance with.

Such an interface unit (not shown) may be provided in the form of a keypad, a touch screen, or a terminal, and a user may input information such as, for example, river, medium, or weak corresponding to a flow rate required for the interface unit (not shown). can do.

The request information may include information of a dental care tool selected by a user. That is, the flow rate of the fluid required may vary depending on the type or capacity of the dental treatment tool. The user may obtain the flow rate of the fluid optimized for each dental care tool by inputting information such as the type and capacity of the dental care tool into the interface unit (not shown).

6 is a conceptual diagram illustrating an operation of an air conditioner according to an exemplary embodiment of the present invention. As shown in FIG. 6, when the valve 120 is blocked, the air control unit 100 may further include an opening / closing unit 130 for opening a pipe at the rear end of the valve 120 to the outside. have.

By providing the opening and closing means 130 in this way, when the valve 120 is closed, it is possible to take out the compressed air contained in the inside of the upper plate portion 200, thereby relieving the pressure inside the upper plate portion 200 The membrane 411 may be contracted to allow the fluid to flow smoothly.

7 is a flow chart illustrating a dental fluid control method according to an embodiment of the present invention. As shown in FIG. 7, an air control unit 100, an upper plate unit 200, a lower plate unit 300, and a fluid control unit 400 according to an embodiment of the present invention for achieving the above object are included. Method for controlling the fluid using the dental fluid control device 10, the air control unit 100, by adjusting the flow of compressed air flows into the inside of the upper plate 200 (S100); The upper plate part 200 storing the introduced compressed air (S200); And controlling the flow of the fluid in the one or more fluid pipes 310 included in the lower plate part 300 by the fluid control unit 400 by the pressure of the stored compressed air (S300). The fluid control unit 400 may be attached to one surface of the upper plate 200 and one surface of the lower plate 300.

The fluid control unit 400 includes an elastic membrane 410, and a groove on which an outlet 311 and an inlet 312 of the fluid pipe 310 are formed on an upper surface of the lower plate 300. And a lower surface of the membrane 410 is attached to an upper surface of the lower plate part 300 to form a fluid storage space 330 into which the fluid flows together with the groove 320. The upper surface of the membrane 410 is attached to the lower surface of the upper plate 200 to form an air storage space 210 into which the compressed air flows together with the inside of the upper plate 200, and adjusting the above. In S300, the membrane 410 may block one or more of the outlet 311 and the inlet 312 by the pressure of the stored compressed air.

One or more protrusions 411 are formed on the bottom surface of the membrane 410, and in the adjusting operation S300, the protrusions 411 may have a predetermined first pressure within the air storage space 210. When the reference value is higher than or equal to, the protrusion 411 may block one or more of the outlet 311 and the inlet 312.

On the other hand, the terms "first", "second", "third" and "fourth" in the present specification and claims are used to distinguish between similar components, if any, and are not necessarily But is used to describe a specific sequence or sequence of occurrences. It is to be understood that such terminology is interchangeable under appropriate circumstances so that embodiments of the invention described herein may operate in a different sequence than, for example, those shown or described herein. Likewise, where the method is described as including a series of steps, the order of such steps presented herein is not necessarily the order in which such steps may be executed, and any described steps may be omitted and / or herein Any other steps not described will be possible with the method.

The terms "left", "right", "front", "back", "top", "bottom", "top", "bottom", and the like in the present specification and claims are used for the description and are necessarily. It is not intended to describe the relative position of an invariant. It is to be understood that such terminology is interchangeable under appropriate circumstances so that embodiments of the invention described herein may operate in a different direction than, for example, those shown or described herein. The term "connected" as used herein is defined as directly or indirectly connected in an electrical or non-electrical manner. Objects described herein as "adjacent" to one another may be in physical contact with one another, in close proximity to one another, or in the same general range or area as one another, as appropriate for the context in which the phrases are used. The presence of the phrase "in one embodiment " herein means, but not necessarily, the same embodiment.

Also in this specification and claims, the designations of the various variants of this expression, such as 'connected', 'connecting', 'fastening', 'fastening', 'coupled', 'combining', etc., are directly related to other components. It is used in the sense that it includes connecting to or indirectly through other components.

In addition, the suffixes "module" and "unit" for the components used herein are given or mixed in consideration of ease of specification, and do not have meanings or roles that are distinguished from each other.

In addition, the terms used herein are for describing the embodiments are not intended to limit the present invention. In this specification, the singular also includes the plural unless specifically stated otherwise in the phrase. As used herein, 'comprise' and / or 'comprising' refers to a component, step, operation and / or element that is mentioned in the presence of one or more other components, steps, operations and / or elements. Or does not exclude additions.

In addition, although the preferred embodiment of the present invention has been shown and described above, the present invention is not limited to the specific embodiments described above, but the technical field to which the invention belongs without departing from the spirit of the invention claimed in the claims. Of course, various modifications can be made by those skilled in the art, and these modifications should not be individually understood from the technical spirit or the prospect of the present invention.

10: dental fluid control device 100: air control unit
110: air piping 120: valve
130: opening and closing means 200: top plate
210: air storage space 300: lower plate
310: fluid pipe 320: groove
311: exit 312: entrance
330: fluid storage space 400: fluid control unit
410: membrane 411: projection

Claims (14)

An air controller for controlling the flow of compressed air;
An upper plate portion capable of storing therein compressed air introduced from the air conditioner;
A lower plate formed therein with at least one fluid pipe for supplying and discharging fluid from the outside; And
It is attached to one surface of the upper plate and the lower plate, and the fluid control unit is operated by the force of the compressed air stored in the upper plate to control the flow of the fluid,
The air control unit,
An air pipe through which the compressed air flows;
A valve which opens and closes upon input or removal of an external force to control the flow of compressed air in the air pipe; And
And an opening and closing means for opening the air pipe to the outside at the rear end of the valve when the valve is closed. The method of claim 1,
The air control unit,
When an external force is input from the outside, the valve is closed to block the flow of compressed air,
And when the external force is removed, the valve is opened to allow the compressed air to flow so that the compressed air flows into the upper plate portion. The method of claim 2,
And the external force is input or removed by operation of the foot-key of the dental unit chair. delete An air controller for controlling the flow of compressed air;
An upper plate portion capable of storing therein compressed air introduced from the air conditioner;
At least one fluid pipe for supplying and discharging fluid from the outside is formed therein, the lower plate portion is formed on the upper surface of the groove formed in the outlet and the inlet of the fluid pipe;
An elastic membrane attached to one surface of the upper plate and one surface of the lower plate and operated by a force of compressed air stored in the upper plate to control the flow of the fluid; And
One or more protrusions formed on the underside of the membrane,
A lower surface of the membrane is attached to an upper surface of the lower plate to form a fluid storage space into which the fluid flows together with the groove;
The upper surface of the membrane is attached to the lower surface of the upper plate portion to form an air storage space in which the compressed air flows from the air conditioning unit together with the inside of the upper plate portion,
When the pressure of the compressed air introduced into the air storage space is equal to or greater than a first predetermined reference value, the protrusion blocks at least one of the outlet and the inlet,
When the pressure of the compressed air introduced into the air storage space is less than a second predetermined reference value, the change of orifice cross-sectional area formed by at least one of the protrusion, the outlet, and the inlet according to the magnitude of the pressure may be used. Dental fluid control device, characterized in that the flow rate is adjusted. The method of claim 5,
The protrusion is a dental fluid control device, characterized in that formed in a conical shape. delete The method of claim 5,
The air control unit,
Dental fluid control device, characterized in that for adjusting the amount of the compressed air flows in accordance with the magnitude of the external force input from the outside. The method of claim 8,
Dental fluid control device characterized in that the size of the external force is adjusted in accordance with the degree of pressing the foot-key of the dental unit chair. The method of claim 5,
An interface unit for receiving the request information corresponding to the flow rate of the fluid,
The air control unit,
Dental fluid control device, characterized in that for adjusting the flow rate of the compressed air in accordance with the input request information. The method of claim 10,
The request information,
Dental fluid control device comprising the information of the dental care tool selected by the user. In the method of controlling the fluid using a dental fluid control device comprising an air control unit, the upper plate, the lower plate and the fluid control unit,
The air adjusting unit, controlling the flow of compressed air to flow into the upper plate;
Storing the introduced compressed air by the upper plate; And
The fluid control unit includes the step of adjusting the flow of the fluid in the one or more fluid pipes included in the lower plate by the pressure of the stored compressed air,
The fluid control unit is attached to one side of the upper plate and one side of the lower plate,
The air control unit,
An air pipe through which the compressed air flows;
A valve which opens and closes upon input or removal of an external force to control the flow of compressed air in the air pipe; And
And an opening / closing means for opening the air pipe to the outside at the rear end of the valve when the valve is closed. Adjusting fluid by using a dental fluid control device including an air control unit, the upper plate portion, the lower plate portion, an elastic membrane attached to one surface of the upper plate portion and one surface of the lower plate portion and at least one protrusion formed on the lower surface of the membrane In the way,
The air adjusting unit, controlling the flow of compressed air to flow into the upper plate;
Storing the introduced compressed air by the upper plate; And
The membrane of elastic material, controlling the flow of fluid in at least one fluid conduit included in the bottom plate by the pressure of the stored compressed air,
The adjusting step,
When the pressure of the compressed air introduced into the air storage space formed by the upper surface of the membrane and the inside of the upper plate portion is equal to or greater than a predetermined first reference value, the protrusion is formed in the groove of the upper surface of the lower plate portion. Blocking at least one of the exit and the entrance of,
When the pressure of the compressed air introduced into the air storage space is less than a second predetermined reference value, the change of the orifice cross-sectional area formed by at least one of the protrusion, the outlet, and the inlet according to the size of the pressure, Dental fluid control method characterized in that the flow rate is adjusted. The method of claim 13,
Inflowing into the upper plate portion,
The air control unit is adjusted according to the degree of the foot-key of the dental unit chair is adjusted to adjust the amount of the compressed air flows according to the pressure or input request information received through the interface .

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