KR100874511B1 - A dental unit chair's cleaning water process apparatus - Google Patents

Abstract

In general, a number of pipes are provided in the dental unit chair for supplying purified water to each part of the unit chair. In this case, when the unit chair is not used for the upper end time, the purified water does not flow in the pipes, and the water is stagnated for a long time, thereby causing a biofilm on the inner wall of the pipe, thereby contaminating the inside of the pipe. Such contamination may eventually cause secondary infection of the patient.

Accordingly, in order to solve the above problems, the present invention automatically circulates the stagnant purified water so as not to stagnate, or partially circulates and partially discharges the purified water so that the purified water does not stagnate in the pipe in the dental unit chair for a long time. Provided is a water treatment apparatus for a dental unit chair.

Description

A dental unit chair's cleaning water process apparatus

1 and 2 are schematic diagrams showing embodiments of a simple configuration of a water treatment apparatus and a water treatment method of the dental unit chair of the present invention.

<Description of the symbols for the main parts of the drawings>

100: water purification pipe 110: water piping

120: master block 130: auxiliary block

140: circulation pipe 150: the first valve

160: circulation pump 170: control unit

172: timer 174: device control unit

180: second valve 190: air piping

210: first pipe 220: hand piece

230: division block 240: second piping

250: input unit 260: display unit

The present invention relates to an apparatus for treating water in a dental unit chair. More particularly, the purified water is automatically circulated, partially circulated, and partially discharged in a pipe in the dental unit chair. It relates to a water treatment apparatus for a dental unit chair.

In general, the water supplied to the dental unit chair is used to cool the heat generated by a dental medical device such as a hand piece and the like, to remove powder and debris generated when polishing a tooth, or to brush teeth. Since the water supplied to the dental unit chair is in direct contact with the wound site and the treatment site of the oral cavity, hygiene and cleanliness are important above all.

Therefore, conventionally, the water supplied to the dental unit chair is not purified from using tap water but using purified water from which impurities contained in the water are removed using a water purifier.

However, when the dental unit chair is not used, such as a lunch break, a night time after the consultation time, or a weekend when the dental office is temporarily stopped, the purified water is stagnated in the water pipe of the unit chair, which causes the unit chair to Biofilm may be formed on the inner wall of the water pipe connected to the hand piece.

The biofilm is formed of an organic material or an inorganic material, and harmful microorganisms, such as bacteria or mold, may be generated where the biofilm is formed. Therefore, when the purified water is discharged through the water pipe in which the biofilm is formed and enters the oral cavity of the patient, it may cause a problem such as causing a secondary infection to the patient.

Accordingly, the present invention is to solve all the disadvantages and problems of the prior art as described above, the purified water in the water pipe circulating for a specific time at a specific time without using the dental unit chair, the purified water in the pipe connected to the hand piece The water is discharged so that the purified water is continuously circulated in the water pipe inside the unit chair, and the compressed air is filled in the pipe connected to the hand piece so that the biofilm is not formed in the water pipe connected to the hand piece or the like from the purified water pipe. It is an object of the present invention to provide a water treatment apparatus for a unit chair.

The object of the present invention is a water treatment apparatus for a dental unit chair, the water pipe connected to the water purification pipe; An auxiliary block located at a predetermined position of the water pipe; A circulation pipe branched from the auxiliary block and connected to the water pipe between the purified water pipe and the auxiliary block; A first valve connecting the water pipe and the circulation pipe; A circulation pump located at a predetermined position of the circulation pipe; And a controller configured to control the first valve and the circulation pump, wherein the controller controls the first valve and the circulation pump so that the purified water flowing from the purified water pipe is circulated in the water pipe and the circulation pipe. It is achieved by the water treatment apparatus of the unit chair.

In addition, the object of the present invention is a master block located at the end of the water pipe; A first pipe branched from the master block; And a second valve connected to the first pipe and mounted on a hand piece holder having an opening means, the second valve being positioned at a predetermined position of the water pipe between the auxiliary block and the master block. And an air pipe connected to the second valve, wherein the control unit controls the second valve and the opening means to receive purified water from the water pipe and the first pipe by using compressed air introduced from the air pipe. It is also achieved by the water treatment apparatus of the unit chair characterized by discharging through the piece.

Details of the above object, technical configuration and effects according to the present invention will be more clearly understood by the following detailed description with reference to the drawings showing preferred embodiments of the present invention. In addition, in the drawings, the length, thickness, etc. of layers and regions may be exaggerated for convenience. Like numbers refer to like elements throughout.

1 and 2 are schematic diagrams showing embodiments of a simple configuration of a water treatment apparatus and a water treatment method of the dental unit chair of the present invention.

Referring to the configuration of the water treatment apparatus of the dental unit chair with reference to Figs. 1 and 2, the water treatment apparatus of the dental unit chair of the present invention is a water purification pipe connected to a water purifier for purifying raw water (that is, tap water) ( 100), the master block connected to the water pipe 110 connected to the water purification pipe 100, the end of the water pipe 110 (that is, opposite to the start end of the water pipe 110 connected to the water purification pipe 100) 120, an auxiliary block 130 positioned at a predetermined position of the water pipe 110 between the master block 120 and the starting point of the water pipe 110 is provided, and the water block 130 includes the water. A circulation pipe 140 branching from the pipe 110 is provided, and the first valve 150 is connected to the circulation pipe 140 and at a predetermined position between the auxiliary block 130 and the start point of the water pipe 110. ) Is provided, the circulation pump 160 is provided at a predetermined position of the circulation pipe 140. In addition, a control unit 170 for controlling the first valve 150 and the circulation pump 160 is provided.

In addition, the device for treating water of the dental unit chair may include a second valve 180 and the second valve 180 positioned at a predetermined position of the water pipe 110 between the auxiliary block 130 and the master block 120. It may further include an air pipe 190 connected to.

In this case, the water treatment apparatus of the dental unit chair may include a hand piece 220 connected to the first pipe 210 branched from the water pipe 110 connected to the master block 120. In this case, although not shown in FIGS. 1 and 2, a hand piece holder capable of mounting the hand piece 220 may be provided, and the hand piece holder is opened to open and close the hand piece 220. It may be provided with a means.

The opening means of the hand piece 220 opens the hand piece 220 when operated by the controller 170. The hand piece 220 itself is provided with means for opening the hand piece 220, for example, a button, so that the opening means of the hand piece 220 is operated to press a button provided in the hand piece 220. The hand piece 220 is opened.

In this case, the division treatment unit 230 may be provided at a predetermined position of the water pipe 110 between the first valve 150 and the auxiliary block 130 in the water treatment apparatus of the dental unit chair. The block 230 is provided with a second pipe 240 branched from the water pipe 110 and supplying purified water to a three-way syringe (not shown), a batting ball (not shown), and an auto cup (not shown). can do.

In addition, the water treatment apparatus of the dental unit chair may be provided with an input unit 250 and the display unit 260, the input unit 250 is a user or a manufacturer of water purification cycle operation time and operation of the dental unit chair The period, the purified water discharge operation time and the operation period, and the purified water filling operation time and the operation period can be input. In addition, the display unit 260 may be provided with a water treatment status indicator that can display the water treatment state of the dental unit chair.

In this case, the purified water circulation operation time and operation period and the purified water discharge operation time and operation time may be set at a time when the dental unit chair is not used for a long time. The dental unit chair is not used and can be set to this time. In addition, the purified water filling operation time and the operation period may be set to a time such that the purified water is completely filled in the first pipe 210 after the discharge operation time and the operating period is completed.

The purified water circulation operation time and operation period, the purified water discharge operation time and operation period, and the purified water filling operation time and operation period may be set in advance by a manufacturer who manufactures the dental unit chair or a user who uses the dental unit chair. You can also set the desired time. Further, when the purified water circulation operation starts and ends at the input purified water circulation operation time, starts and ends the purified water discharge operation at the purified water discharge operation time, and starts and ends the purified water filling operation, the purified water circulation operation, purified water discharge operation and purified water The purified water treatment status indicator which can display the progress of the filling operation (ie, the purified water treatment status indicator is used to display the purified water circulating operation, the purified water discharging, the purified water discharging completed, the purified water filling operation and the purified water filling operation completed). May be provided on the display unit 260.

In addition, the water purification apparatus of the dental unit chair may further include an auxiliary power source (not shown) separated from the main power source of the unit chair. This operation is performed when the water circulation and discharge of the dental unit chair is not used for a long time, it is possible to prevent unnecessary power waste by using the power supply of the auxiliary power source without having to turn on the main power for the water circulation and discharge. In addition, it may be necessary to freely operate the water treatment apparatus of the dental unit chair even when main power is not supplied.

In addition, the controller 170 may include a timer 172 and a device controller 174.

In this case, the timer 172 includes a timer 172 for recording the integer cycle operation time and operation period, the integer discharge operation time and operation period, and the integer filling operation time and operation period inputted from the input unit 250. The timer 172 compares a current time with the purified water circulation operation time, the purified water discharge operation time, and the purified water filling operation time to respectively supply the purified water circulation operation start signal, the purified water discharge start signal, and the purified water filling start signal to the device controller 174. Compares the elapsed time after transmitting the function, the purified water circulating operation signal, the purified water discharge start signal, and the purified water filling start signal with the purified water circulation operation period, the purified water discharge operation period, and the purified water filling operation period. Function to transmit a purified water circulation end signal, purified water discharge end signal, and purified water filling end signal to the device controller 174. And transmitting the signals to the device control unit 174 of the control unit and simultaneously transmitting a signal to the purified water processing state indicator of the display unit 260 to display the current progress state with the indicator. It may have a controlling function.

In this case, the device controller 174 receives the purified water circulation start signal, purified water circulation end signal, purified water discharge start signal, purified water discharge end signal, purified water filling start signal and purified water filling end signal of the timer 172, The state and operation of the first valve 150, the second valve 180, and the circulation pump 160 are controlled.

At this time, the first valve 150 is a three-way valve in the on state to block the purified water flowing from the circulation pipe 140, the purified water flowing from the water purification pipe 100 side the auxiliary block ( 130 is provided with a flow path flowing into the water pipe 110 is connected to the side, in the off state the water purification in the water purification pipe 100 side is blocked, and the purified water of the circulation pipe 140 to the auxiliary block It is provided with a flow path for flowing into the water pipe 110 connected to the (130) side. At this time, the first valve 150 is in an on state when the dental unit chair is in a normal operation (in this case, stagnation of the purified water does not occur by using the purified water in the water pipe 110 normally using a hand piece or the like). Is maintained, and when the integer cyclic operation by the integer cyclic operation time recorded in the timer 172 of the controller 170 starts, the integer cyclic start signal transmitted from the timer 172 of the controller 170 is started. It may be changed to the off state by the control of the device control unit 174 of the control unit 170 that has received the, and in the on state by the device control unit 174 of the control unit 170 receiving the end of the circular operation signal Can be changed.

In addition, the second valve 180 may be located at a predetermined position of the water pipe 110 between the auxiliary block 130 and the master block 120, branched from the master block 120, and the hand. The valve is used to discharge the purified water of the first pipe 210 connected to the piece 220.

At this time, the second valve 180 is maintained in a closed state when the dental unit chair is in normal operation, but the arrival of the purified water discharging operation time or the purified water filling operation time recorded in the controller 170. When the purified water discharge operation or the purified water filling operation is started, the control unit 174 of the controller 170 receives the purified water discharge starting signal or the purified water filling start signal transmitted from the timer 172 of the controller 170. By the device control unit 174 of the control unit 170 receiving the purified water discharge end signal or the purified water fill end signal at the end of the purified water discharge operation period and at the end of the purified water discharge operation period. Can be changed to a state.

At this time, the second valve 180 is a three-way valve in the on state to block the compressed air flowing from the air pipe 190, the purified water flowing from the auxiliary block 130 is the master block 120 It is provided with a flow path for flowing into the water pipe 110 connected to the side, in the off state is blocked the inflow of purified water from the side of the auxiliary block 130, the compressed air of the air pipe 190 to the master block ( It is provided with a flow path for flowing into the water pipe 110 connected to the 120. In this case, the second valve 180 is in an on state when the dental unit chair is in a normal operation (in this case, stagnation of the purified water does not occur using the purified water in the water pipe 110 normally using a hand piece or the like). In the case of starting the purified water discharging operation by the purified water discharging operation time recorded in the timer 172 of the controller 170, the purified water discharging start signal transmitted from the timer 172 of the controller 170 is received. It may be changed to an off state by the control of the device control unit 174 of the control unit 170, and changed to an on state by the device control unit 174 of the control unit 170 receiving the integer filling start signal. Can be.

At this time, the opening means provided in the hand piece holder for mounting the hand piece 220 is purified water discharge operation by the arrival of the purified water discharge operation time and purified water filling operation time recorded in the timer 172 of the control unit 170 and The handpiece may be changed to an open state by starting when the water filling operation is started, and the water purification may be performed by the end of the water purifying discharge operation period recorded in the timer 172 of the controller 170 and by the end of the water filling operation period. The handpiece may be changed to the closed state by the device controller 174 of the controller 170 receiving the discharge end signal and the integer filling end signal.

Hereinafter, with reference to Figure 1 will be described an embodiment 1 showing a method for treating the purified water in the pipe of the dental unit chair by performing a water circulation operation.

At this time, the first embodiment is the auxiliary block from a predetermined section of the water pipe 110, that is, where the first valve 150 is located by using the first valve 150 and the circulation pump 160. It relates to a water treatment method for circulating the purified water in the section where 130 is located so that the biofilm in the pipe of the dental unit chair does not occur.

First, a user or a manufacturer inputs an operation time and a period of an integer circulation operation through the input unit 250.

The input time and periods are recorded in the timer 172 of the controller 170. When the integer cyclic operation time is compared with the current time, the cyclic operation start signal is transmitted.

After the signal is transmitted, when the elapsed time after the circular operation start signal is transmitted and the operation period of the integer circular operation recorded in the timer 172 of the controller 170, the integer circular operation end signal is transmitted. . At this time, the timer 172 of the controller 170 transmits an integer cyclic operation signal to the device controller 174 of the controller 170 and transmits an integer circulation signal to the display unit 260 to display the display unit 260. Operating the lamp of the water treatment status indicator of) to indicate that the purified water in the water pipe 110 of the dental unit chair is circulating to inform the user of the state of the purified water in the water pipe 110 of the dental unit chair. Give it.

In addition, the device control unit 174 of the control unit 170 that has received the circular motion start signal changes the first valve 150 to an off state (if the dental unit chair is normally used, it is on). In addition, the circulation pump 160 operates (normally stops when using a dental unit chair) to circulate the purified water in the water pipe 110 through the water pipe 110 and the circulation pipe 140. Executes an integer circular operation.

After the constant cyclic operation progresses for a predetermined time, the operation period of the cyclic operation recorded in the timer 172 of the controller 170 is compared with the elapsed time after transmitting the cyclic operation start signal, and the time coincides. In this case, the timer 172 of the controller 170 transmits a circular operation end signal to the device controller 174.

In addition, the device control unit 174 of the control unit 170 receiving the end of circulation operation signal changes the first valve 150 to an on state and stops the circulation pump 160 to complete the water purification circulation operation. do.

Therefore, when the dental unit chair is not used for a predetermined time, by performing the water purification circulation as described above to prevent the purified water in the water pipe 110 to prevent the biofilm on the inner wall of the water pipe 110 It can be prevented from occurring.

Hereinafter, with reference to FIG. 2, a second embodiment showing a method of treating purified water in a pipe of a dental unit chair by simultaneously performing a purified water circulation operation and a purified water discharge operation will be described.

At this time, the second embodiment is a predetermined section of the water pipe 110, that is, the first valve 130 by using the first valve 150, the second valve 180 and the circulation pump 160 The section of the location where the auxiliary block 130 is located from the location is circulated and the first pipe 210 branched from the master block 120 is discharged so that biofilm in the pipe of the dental unit chair does not occur. It relates to an integer treatment method.

At this time, the pipe in the water pipe 110 from the first valve 150 to the auxiliary block 130 circulates the purified water using the same method as in Example 1 described with reference to FIG. In addition, a description will be mainly given of a water treatment method of the first pipe 210 branched from the master block 120, that is, a water purification operation.

First, a user or a manufacturer inputs an operation time and a period of the purified water discharge operation through the input unit 250. (At this time, the operation time and the period of the purified water circulation operation of the first embodiment may be simultaneously input.)

The input time and periods are recorded in the timer 172 of the controller 170, and compares the present time with the purified water discharge operation time and transmits a discharge operation start signal when it matches the purified water discharge operation time. At this time, the integer cyclic operation start signal of the first embodiment may be simultaneously transmitted.)

After transmitting the signal, when the elapsed time after transmitting the discharge operation start signal coincides with the operation period of the purified water discharge operation recorded in the timer 172 of the controller 170, the purified water discharge operation end signal is transmitted. (At this time, the integer cyclic end signal of the first embodiment can be transmitted simultaneously.)

At this time, the timer 172 of the controller 170 transmits a purified water discharge operation signal to the device controller 174 of the controller 170 and transmits a purified water discharge signal to the display unit 260 to display the display unit 260. Operating the lamp of the water treatment status indicator of) to indicate that there is no purified water in the first pipe 210 of the dental unit chair to inform the user of the state of the purified water in the second pipe 210 of the dental unit chair. Give it.

In addition, the device control unit 174 of the control unit 170 receiving the discharge operation start signal changes the second valve 180 to an off state (if the dental unit chair is normally used, it is in an on state). In addition, the opening means of the hand piece mounted on the hand piece 220 is operated to open the hand piece 220. Thus, the inflow of purified water from the water pipe 110 toward the master block 120 toward the auxiliary block 130 connected to the second valve 180 is blocked, and the master block from the air pipe 190 is blocked. The inflow of compressed air toward 120 is induced so that the purified water in the first pipe 210 performs the purified water discharge operation discharged to the outside through the hand piece 220. (The first valve 150 ) In the water pipe 110 to the auxiliary block 130 may be a water purification circulation operation by the water purification circulation operation described in the first embodiment.

After the purified water discharging operation proceeds for a predetermined time, the operation period of the purified water discharging operation recorded in the timer 172 of the controller 170 is compared with the elapsed time after the purified water discharging operation start signal is transmitted. If this matches, the timer 172 of the controller 170 transmits a clean water discharging end signal to the device controller 174.

In addition, the device control unit 174 of the control unit 170 receiving the clean water discharging operation end signal closes the hand piece 220 (in this case, the second valve 180 maintains the off state.) The discharge operation is completed. (The first water circulation operation according to the first embodiment also receives the end water circulation operation end signal, and the first valve 150 is turned on, and the operation of the pure pump 160 is stopped to operate the water circulation. You can complete the operation.)

Therefore, when the dental unit chair is not used for a predetermined time, the purified water is discharged as described above to prevent the purified water from stagnating in the first pipe 210 to prevent stagnation of the inner wall of the first pipe 210. The biofilm can be prevented from occurring.

At this time, since the purified water is discharged in the first pipe 210 having completed the purified water discharge operation, it is necessary to refill the purified water in the first pipe 210 in order to use the dental unit chair.

Therefore, the operation time of the integer filling operation recorded in the timer 172 of the controller 170 is compared with the current time, and if the integer filling operation time is equal to the current time, the device controller 174 of the controller 170 is controlled. Sends a fill operation start signal.

In addition, the device controller 174 of the controller 170 receiving the filling operation start signal changes the second valve 130 to an on state, opens the hand piece 220, and opens the second pipe 210. The constant filling operation is performed by flowing a constant inside.

After the constant filling operation proceeds for a predetermined time, when the device control unit 274 receives the filling operation end signal, the device control unit 274 of the control unit 170 closes the handpiece 220 to receive the integer. Complete the filling operation.

Therefore, in the second embodiment, when the dental unit chair is not used for a long time, a section of the water pipe 110 from the first valve 150 to the auxiliary block 130 may include the first valve 150, The circulation operation is performed by using the circulation pipe 140 and the circulation pump 160, and the water pipe 110 and the first pipe 210 section from the second pipe 180 to the master block 120 are the above. The discharge operation is performed by using the compressed air introduced from the second valve 180 and the air pipe 190 to prevent generation of biofilm or the like that is easily generated in the pipe in the dental unit chair.

Although the present invention has been shown and described with reference to preferred embodiments as described above, it is not limited to the above-described embodiments and those skilled in the art without departing from the spirit of the present invention. Various changes and modifications will be possible.

Therefore, the water treatment apparatus of the dental unit chair of the present invention does not use the dental unit chair for a long time, when the purified water is stagnated in the pipe connected to the water pipe and the handpiece in the unit chair, a 3-way valve, a circulation pump, or the like. In the pipe connected to the water pipe and the hand piece inside the unit chair by circulating the purified water inside the unit chair and draining the pipe connected to the hand piece using a 3-way valve and handpiece opening means. There is an effect that the biofilm is not formed.

Claims (10)

delete delete In the water treatment device of the dental unit chair, A water pipe connected to the purified water pipe; An auxiliary block located at a predetermined position of the water pipe; A circulation pipe branched from the auxiliary block and connected to the water pipe between the purified water pipe and the auxiliary block; A first valve connecting the water pipe and the circulation pipe; A circulation pump located at a predetermined position of the circulation pipe; A master block located at an end of the water pipe; A first pipe branched from the master block; A hand piece connected to the first pipe and mounted to a hand piece holder; A second valve positioned at a predetermined position of a water pipe between the auxiliary block and the master block; An air pipe connected to the second valve; And And a controller configured to control the first valve, the second valve, and the circulation pump. The control unit controls the first valve and the circulation pump so that the purified water flowing in the water purification pipe is circulated in the water pipe and the circulation pipe, And the control unit controls the second valve to discharge the purified water in the water pipe and the first pipe through the hand piece by using the compressed air introduced from the air pipe. The method of claim 3, wherein When the second valve is a three-way valve, the compressed air flowing from the air pipe is blocked in the on state, and the purified water from the auxiliary block is introduced into the master block, and in the off state, the purified water from the auxiliary block is introduced. Is blocked and the compressed air flowing from the air pipe flows into the master block, wherein the water treatment device of the dental unit chair. The method of claim 3, wherein And an auxiliary power source for supplying power even when the main power supply of the unit chair is turned off. The method of claim 3, wherein And an input unit which is connected to the control unit and which a user or a manufacturer can input an operation time and an operation period. The method of claim 6, The control unit includes a timer for comparing a pre-input time with a current time, and an apparatus control unit for controlling the first valve, the second valve, and the circulation pump by a signal of the timer. Device. The method of claim 7, wherein And a display unit connected to the control unit. The method of claim 8, And said display portion is provided with a water treatment state indicator for displaying the purified water discharged state of said water pipe. The method of claim 3, wherein When the first valve is a three-way valve, the purified water flowing from the circulation pipe is blocked in the on state, the purified water from the purified water pipe is introduced into the auxiliary block, and the inflow of the purified water from the purified water pipe is blocked in the off state. And purifying the purified water flowing from the circulation pipe toward the auxiliary block.

Images