WO2023038207A1 - 전기 칫솔 - Google Patents
전기 칫솔 Download PDFInfo
- Publication number
- WO2023038207A1 WO2023038207A1 PCT/KR2021/019127 KR2021019127W WO2023038207A1 WO 2023038207 A1 WO2023038207 A1 WO 2023038207A1 KR 2021019127 W KR2021019127 W KR 2021019127W WO 2023038207 A1 WO2023038207 A1 WO 2023038207A1
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- WIPO (PCT)
- Prior art keywords
- electrode
- substrate
- hole
- electric toothbrush
- signal
- Prior art date
Links
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- 210000003128 head Anatomy 0.000 description 29
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- 208000002064 Dental Plaque Diseases 0.000 description 11
- 230000005684 electric field Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B15/00—Other brushes; Brushes with additional arrangements
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B15/00—Other brushes; Brushes with additional arrangements
- A46B15/0002—Arrangements for enhancing monitoring or controlling the brushing process
- A46B15/0016—Arrangements for enhancing monitoring or controlling the brushing process with enhancing means
- A46B15/0022—Arrangements for enhancing monitoring or controlling the brushing process with enhancing means with an electrical means
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B15/00—Other brushes; Brushes with additional arrangements
- A46B15/0002—Arrangements for enhancing monitoring or controlling the brushing process
- A46B15/0016—Arrangements for enhancing monitoring or controlling the brushing process with enhancing means
- A46B15/0036—Arrangements for enhancing monitoring or controlling the brushing process with enhancing means with a lighting means, e.g. laser, bulb
-
- 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
- A61C17/005—Devices for dental prophylaxis
-
- 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
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
-
- 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
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/221—Control arrangements therefor
-
- 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
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/222—Brush body details, e.g. the shape thereof or connection to handle
-
- 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
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/224—Electrical recharging arrangements
-
- 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
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/225—Handles or details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/0064—Health, life-saving or fire-fighting equipment
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C2204/00—Features not otherwise provided for
- A61C2204/002—Features not otherwise provided for using batteries
Definitions
- the present invention relates to an electric toothbrush capable of effectively removing dental plaque in the oral cavity by utilizing microcurrent special electromagnetic waves.
- Dental plaque is a sticky and transparent film that adheres to the surface of teeth. Numerous germs (bacteria) living in the mouth are made by entangling with specific components in saliva. Dentures can also occur.
- Plaque itself is not visible to the naked eye, and it mainly occurs in narrow gaps between teeth, between teeth, and between teeth and gums. Since it causes problems with teeth and surrounding tissues in such a small space, it is important to remove plaque without missing every corner, but there is a problem in that it is difficult to effectively remove such plaque with only the use of an existing toothbrush.
- An object of the present invention made to solve the above problems is to provide an electric toothbrush capable of effectively removing dental plaque.
- Another object of the present invention is to provide an electric toothbrush capable of preventing tooth decay and periodontal disease through the removal of dental plaque.
- Another object of the present invention is to provide an electric toothbrush in which oral care effects are amplified by utilizing a driving signal including an AC component and a DC component.
- An electric toothbrush includes an outer case including a tubular handle portion and a head portion extending from the handle portion and having an opening area open to the front, disposed in the opening area and responding to a drive signal.
- a first electrode and a second electrode providing electromagnetic waves, and a plurality of tufted holes, a first electrode hole, and a second electrode hole are formed, and a head cover closing the opening area, the first electrode and The second electrode may be exposed to the outside by penetrating the first electrode hole and the second electrode hole, respectively.
- At least one LED may be disposed at an end portion of the sub substrate.
- the first electrode may include a 1-1 electrode region inserted into the first substrate hole, a 1-2 electrode region inserted into the first electrode hole, the 1-1 electrode region, and the 1-1 electrode region inserted into the first electrode hole.
- a 1-3 electrode region disposed between two electrode regions and electrically connected to the sub substrate, wherein the second electrode includes a 2-1 electrode region inserted into the second substrate hole, the second electrode A 2-2 electrode region inserted into the hole, and a 2-3 electrode region disposed between the 2-1 electrode region and the 2-2 electrode region and electrically connected to the sub substrate.
- the main substrate may further include a substrate support portion on which the main substrate is seated and supported, and a battery accommodating portion in which a battery is located, and an inner case accommodated in the outer case.
- a plurality of coupling grooves may be formed in the main substrate, and a plurality of fastening portions extending to one side through the coupling grooves and fastened to the main substrate may be formed in the substrate support part.
- At least one row of tufted holes may be disposed between the first electrode hole and the second electrode hole.
- an electric toothbrush capable of preventing tooth decay and periodontal disease through the removal of dental plaque.
- an electric toothbrush in which oral care effects are amplified by utilizing a driving signal including an AC component and a DC component.
- FIG. 1 is a view showing an electric toothbrush according to an embodiment of the present invention.
- FIG. 2 is a view showing an exploded state of the electric toothbrush shown in FIG. 1;
- FIG 3 is a view showing a state in which the head cover of the electric toothbrush according to an embodiment of the present invention is separated.
- FIG. 4 is a view showing a state in which a head cover is coupled to an electric toothbrush according to an embodiment of the present invention.
- FIG. 5 is a view showing an inner case according to an embodiment of the present invention.
- FIG. 6 is a view showing a coupled state of a main substrate and a substrate supporter according to an embodiment of the present invention.
- FIG. 7A is a view showing a cross section (based on line A) of the electric toothbrush shown in FIG. 4
- FIG. 7B is a view showing a cross section (based on line B) of the electric toothbrush shown in FIG. 4 .
- FIG. 8 is a diagram showing a signal supply unit according to an embodiment of the present invention.
- 9A to 9C are diagrams showing waveforms of signals according to embodiments of the present invention.
- 10A and 10B are diagrams for explaining a biofilm removal effect of a driving signal generated by mixing an AC signal and a DC signal.
- 11A and 11B are diagrams illustrating a signal supply unit according to another embodiment of the present invention.
- first, second, A, B, (a), and (b) may be used. These terms are only used to distinguish the component from other components, and the nature, order, or order of the corresponding component is not limited by the term.
- a component when a component is described as “connected”, “coupled” or “connected” to another component, the component may be directly connected or connected to the other component, but each component It should be understood that another component may be “connected”, “coupled” or “connected” between elements. In the case of "connected”, “coupled” or “connected”, it is understood that not only physically “connected”, “coupled” or “connected”, but also electrically “connected”, “coupled” or “connected” as necessary. It can be.
- each component to be described below may be combined into one component, or one component may be divided into two or more for each more subdivided function.
- each component to be described below may additionally perform some or all of the functions of other components in addition to its main function, and some of the main functions of each component may be performed by other components. Of course, it may be dedicated and performed by .
- FIG. 1 is a view showing an electric toothbrush according to an embodiment of the present invention
- FIG. 2 is a view showing an exploded state of the electric toothbrush shown in FIG. 1
- 3 is a view showing a state in which the head cover of the electric toothbrush according to an embodiment of the present invention is separated
- FIG. 4 is a view showing a state in which the head cover is coupled to the electric toothbrush according to an embodiment of the present invention.
- an electric toothbrush may include an outer case 100, a plurality of electrodes 11 and 12, a head cover 30, and the like.
- the outer case 100 constitutes the overall body of the electric toothbrush, and may include a handle part 110 and a head part 120.
- the handle part 110 has a tubular shape with an internal accommodating space and a predetermined length, and may be designed to be gripped by a user when using an electric toothbrush.
- a battery 350 for power supply may be accommodated inside the handle part 110, and a separate battery cap 115 for replacement of the battery 350 may be mounted at the end of the handle part 110. there is.
- the handle part 110 may include a switch area 111 , and the switch area 111 may be formed at a position corresponding to the switch 211 disposed inside the handle part 110 .
- the user can control on/off of the internal switch 211 by pressing the switch area 111 . That is, the user can turn on the power of the electric toothbrush by pressing the switch area 111 when brushing starts, and accordingly, the driving signal generated from the signal supply unit is supplied to the electrodes 11 and 12 to remove dental plaque.
- An electric field may be generated for
- the head part 120 may extend along the longitudinal direction of the handle part 110 and may have an opening 121 open to the front at a distal end.
- the first electrode 11 and the second electrode 12 may be disposed in the opening area 121 of the head part 120, and may provide electromagnetic waves corresponding to a driving signal supplied from the signal supply unit to the outside.
- the first electrode 11 and the second electrode 12 may be spaced apart from each other.
- the first electrode 11 may be set as a positive electrode receiving a driving signal
- the second electrode 12 may be set as a negative electrode.
- first electrode 11 and the second electrode 12 are made of a material such as brass, aluminum, conducting polymer, conducting silicon, or stainless steel. It can be formed, but is not limited thereto, and any material having conductivity can be used as an electrode material.
- the head cover 30 may have a shape corresponding to the opening area 121 of the head part 120, and is coupled to the opening area 121 where the electrodes 11 and 12 are disposed to form the opening area 121. can be closed
- the head cover 30 may be formed with a plurality of tufted holes 25 , first electrode holes 31 , and second electrode holes 32 .
- the bristles 20 may be inserted into and fixed to a plurality of implanted holes 25 formed on the surface of the head cover 30 .
- the arrangement structure, number, size, etc. of these bristles 20 are not particularly limited, and may be changed in various forms.
- At least one row of tufted holes 25 is disposed between the first electrode hole 31 and the second electrode hole 32, at least one row of hair holes 25 is disposed between the first electrode 11 and the second electrode 12.
- a bristle 20 may be disposed.
- the first electrode 11 and the second electrode 12 are connected to the first electrode hole 31 of the head cover 30 and It may be exposed to the outside through each of the second electrode holes 32 .
- the electric toothbrush according to an embodiment of the present invention may further include a main substrate 210 and a sub substrate 220 .
- a switch 211 for controlling the supply of power by the battery 350 and a signal supply unit for generating a driving signal may be mounted on the main board 210, and the main board 210 may be mounted in the handle part 110. can be accepted
- main board 210 may be electrically connected to the battery 350 to receive battery voltage.
- the sub substrate 220 may be elongated from the main substrate 210 toward the head portion 120 and may have an end portion positioned within the opening region 121 of the head portion 120 . That is, the sub substrate 220 may have a shape elongated along the length direction of the outer case 100 and may be set to a different width from that of the main substrate 210 . For example, the sub substrate 220 may be designed to have a smaller width than the main substrate 210 .
- a first substrate hole 221 and a second substrate hole 222 may be formed at an end portion of the sub substrate 220 exposed to the outside through the opening region 121 .
- the first electrode 11 may be inserted and fixed into the first substrate hole 221
- the second electrode 12 may be inserted and fixed into the second substrate hole 222 .
- At least one LED may be disposed at an end of the sub-substrate 220 .
- the LED 230 may emit light when the power of the electric toothbrush is turned on to indicate whether the electric toothbrush is driven.
- the opening area 121 can be closed, and the first electrode 11 and the second electrode 12 are formed in the first electrode hole of the head cover 30. (31) and the second electrode hole 32 may be inserted and exposed to the outside, respectively.
- FIG. 5 is a view showing an inner case according to an embodiment of the present invention
- FIG. 6 is a view showing a coupled state of a main board and a substrate supporter according to an embodiment of the present invention.
- the electric toothbrush according to the embodiment of the present invention may further include an inner case 300 accommodated in the outer case 100 .
- the inner case 300 may include a substrate support 310 on which the main board 210 is disposed and a battery accommodating part 320 on which the battery 350 is located.
- a battery terminal electrically connected to the main board 210 may be installed in the battery accommodating portion 320, and the battery 350 may be inserted into the battery accommodating portion 320 and electrically connected to the battery terminal. .
- the battery 350 may be set as a primary battery or a secondary battery.
- the user may periodically replace the battery 350, and when the battery 350 is a secondary battery, charging may be performed through various charging methods.
- the battery 350 may be charged through a wireless charging method or a wired charging method while being located in the battery accommodating portion 320, and may be separated from the battery accommodating portion 320 and charged through a separate charging device. may be
- the substrate support 310 may extend from the battery accommodating portion 320 in a longitudinal direction, and the main substrate 210 may be seated and supported on one surface of the substrate support 310 .
- a plurality of fastening portions 311a and 311b may be formed in the substrate support 310 .
- the fastening parts 311a and 311b may have a shape protruding in one direction from both sides of the substrate support part 310, and may be designed in a shape with an end portion bent (for example, a hook shape).
- the main substrate 210 may have a plurality of coupling grooves 215a and 215b formed on both sides corresponding to the fastening portions 311a and 311b, and at this time, the fastening portions 311a and 311b are coupled grooves ( 215a, 215b) and can be engaged with the main board 210 by engaging with the main board 210 through the end portion.
- FIG. 7A is a view showing a cross section (based on line A) of the electric toothbrush shown in FIG. 4
- FIG. 7B is a view showing a cross section (based on line B) of the electric toothbrush shown in FIG. 4 .
- a plurality of protrusions 35a and 35b may be formed on both sides of the head cover 30 .
- a plurality of fastening grooves 125a and 125b corresponding to the protrusions 35a and 35b may be formed on the inner surface of the head portion 120 constituting the edge of the opening area 121 .
- the head cover 30 when the head cover 30 is inserted into the opening 121 of the head portion 120, the protrusions 35a and 35b and the fastening grooves 125a and 125b are coupled to each other, so that the head cover 30 can be easily fastened to the opening area 121 of the head portion 120.
- the first electrode 11 includes the 1-1 electrode region 11a inserted into the first substrate hole 221 of the sub substrate 220 and the first electrode hole of the head cover 30 ( 31), a first electrode region 11b disposed between the 1-1st electrode region 11a and the 1-2nd electrode region 11b and electrically connected to the sub-substrate 220.
- -3 electrode region 11c may be included.
- the width Wc of the 1-3 electrode region 11c may be set to be different from the width Wa of the 1-1 electrode region 11a and the width Wb of the 1-2 electrode region 11b. there is.
- the width Wc of the 1-3 electrode region 11c is larger than the width Wa of the 1-1 electrode region 11a and the width Wb of the 1-2 electrode region 11b. can be set.
- both end portions of the first to third electrode regions 11c are disposed between the head cover 30 and the sub substrate 220, and support the head cover 30 and contact the sub substrate 220 at the same time. Electrical connection with the sub board 220 is possible.
- the second electrode 12 may also be designed in the same shape as the first electrode 11 .
- the second electrode 12 is a 2-1 electrode region inserted into the second substrate hole 222 of the sub substrate 220 and inserted into the second electrode hole 32 of the head cover 30. It may include a 2-3 electrode region disposed between the 2-2 electrode region, the 2-1 electrode region, and the 2-2 electrode region and electrically connected to the sub-substrate 220 .
- the width of the 2-3 electrode region may be set to be different from the width of the 2-1 electrode region and the width of the 2-2 electrode region.
- the width of the 2-3 electrode region may be set larger than the width of the 2-1 electrode region and the width of the 2-2 electrode region.
- both end portions of the 2-3 electrode region are disposed between the head cover 30 and the sub-substrate 220, and support the head cover 30 and contact the sub-substrate 220 at the same time as the sub-substrate ( 220) can be electrically connected.
- FIGS. 9A to 9C are diagrams showing waveforms of signals according to an embodiment of the present invention.
- FIG. 9A shows the filtered AC signal Sac′
- FIG. 9B shows the DC signal Sdc
- FIG. 9C shows the filtered AC signal Sac′ and the DC signal Sdc mixed and generated.
- a driving signal (Vd) is shown.
- FIGS. 10A and 10B are diagrams for explaining a biofilm removal effect of a driving signal generated by mixing an AC signal and a DC signal.
- the signal supply unit 400 may be mounted on the main board 210 and generate a driving signal Vd using the battery voltage Vb supplied from the battery 350 .
- the signal supply unit 400 may generate the driving signal Vd by mixing an alternating current (AC) signal and a direct current (DC) signal.
- AC alternating current
- DC direct current
- the drive signal (Vd) includes both the AC component and the DC component, and the synergistic effect and resonance occur according to the simultaneous application of the AC component and the DC component, thereby removing the biofilm that causes tooth plaque. effect can be enhanced.
- the electric field by the DC component induces an imbalance in the local charge distribution to increase the structural stress of the biofilm, and the electric field by the AC component increases the permeability of the outer shield through the generation of specific vibrations. can make it
- an electric field based on a DC component and an electric field based on an AC component can be simultaneously provided through the electrodes 11 and 12, An amplified removal effect with respect to one biofilm can be achieved.
- the driving signal (Vd) is set in the form of overlapping the AC voltage and the DC voltage as described above, the risk of electric shock to the body and the pain that can be caused to the body can be reduced compared to the case where only the DC voltage is applied. .
- the signal supply unit 400 may include a DC-DC converter 410, a signal generator 420, a filter 430, and a calibration unit 440, and may additionally divide the voltage.
- a belly portion 450 may be further included.
- the DC-DC converter 410 may receive the battery voltage Vb, convert the battery voltage Vb into an output voltage Vo of a predetermined level, and output the converted voltage.
- the signal generator 420 operates based on the voltage supplied from the DC-DC converter 410, and generates an AC signal Sac having a predetermined frequency using the output voltage Vo of the DC-DC converter 410. can create
- the signal generator 420 may be implemented using a previously known configuration capable of generating an AC signal such as an oscillator or a function generator.
- the AC signal Sac may be set to a frequency of 1 KHz to 1000 MHz. This is because when the AC signal (Sac) is set to a low frequency of less than 1 KHz, the effect of removing biofilm is reduced, and even when the AC signal (Sac) is set to a very high frequency of more than 1000 MHz, the effect of removing biofilm is reduced. Meanwhile, the frequency of the AC signal Sac may be set to a frequency of 5 MHz to 15 MHz suitable for biofilm removal.
- the amplitude of the AC signal Sac may be set to 0.1 mv to 3V. If the amplitude of the AC signal (Sac) is less than 0.1 mV, it is difficult to expect a plaque removal effect, and if the amplitude of the AC signal (Sac) exceeds 3V, there is a concern that toxic substances may be generated due to electrolysis of body fluids.
- the filter 430 may perform a filtering operation on the AC signal Sac generated by the signal generator 420 .
- the filter 430 may include a band pass filter to convert a sawtooth wave type AC signal (Sac) into a sine wave type AC signal (Sac').
- the type of filter 430 is not limited thereto, and various types of filters may be employed depending on the design structure.
- the calibration unit 440 may generate the driving signal Vd by mixing the AC signal Sac′ supplied through the filter 430 with the DC signal Sdc.
- the calibration unit 440 may be implemented as an operating amplifier capable of summing (or overlapping) the AC signal Sac' and the DC signal Sdc, but is not limited thereto.
- an offset corresponding to the DC signal Sdc is generated in the AC signal Sac', and a driving signal Vd having both AC and DC components can be generated.
- the driving signal (Vd) includes all the characteristics of the AC signal (Sac)
- the driving signal (Vd) can be set to a frequency of 1KHz to 1000MHz, and also to a frequency of 5MHz to 15MHz more suitable for removing biofilm. can be set.
- the amplitude of the driving signal Vd may be set to 0.1 mv to 3V.
- the calibration unit 440 may receive an AC signal Sac' having an amplitude of A volt (V) from the filter 430, and the corresponding AC signal Sac' as shown in FIG. 9B
- a final drive signal Vd as shown in FIG. 9C may be generated by superimposing the DC signal Sdc of B volts V as shown in FIG.
- the voltage value of the DC signal Sdc may be set equal to or greater than the amplitude of the AC signal Sac'. Accordingly, the voltage value of the driving signal Vd may be set to 0 or more.
- the DC offset value of the driving signal Vd may be set equal to or greater than the amplitude of the driving signal Vd.
- the DC offset value of the driving signal (Vd) when the DC offset value of the driving signal (Vd) is set equal to or greater than the amplitude of the driving signal (Vd), the voltage of the driving signal (Vd) is always '0' or more, so the electrical Energy loss can be minimized.
- the DC signal Sdc may be generated by the voltage divider 450 .
- the voltage divider 450 may receive the output voltage Vo of the DC-DC converter 410 and perform voltage division on the output voltage Vo to generate the DC signal Sdc.
- the voltage divider 450 may include a resistance string for distributing the output voltage Vo, but is not limited thereto.
- the corresponding output voltage Vo may serve as the DC signal Sdc.
- the voltage divider 450 may be omitted, and the output voltage Vo of the DC-DC converter 410 may be input to the calibration unit 440 .
- 11A and 11B are diagrams illustrating a signal supply unit according to another embodiment of the present invention.
- a signal supply unit 500 includes a DC-DC converter 510, a signal generator 520, a voltage step-down unit 530, a filter 540, And it may include an offset adjusting unit 550.
- the DC-DC converter 510 may receive the battery voltage Vb from the battery 350, convert the battery voltage Vb into an output voltage Vo of a predetermined level, and output the converted voltage.
- the signal generator 520 operates based on the voltage supplied from the DC-DC converter 510, and uses the output voltage Vo of the DC-DC converter 510 to generate a first AC signal having a predetermined frequency ( Sa1) can be created.
- the signal generator 520 may be implemented using a previously known configuration capable of generating an AC signal such as an oscillator or a function generator.
- the first AC signal Sa1 may be set to a frequency of 1 KHz to 1000 MHz.
- the first AC signal (Sa1) is set to a low frequency of less than 1KHz, the removal effect of dental plaque is reduced, and even when the first AC signal (Sa1) is set to a very high frequency exceeding 1000 MHz, the removal effect of dental plaque is reduced. Because. Meanwhile, the frequency of the first AC signal Sa1 may be set to a frequency of 5 MHz to 15 MHz suitable for removing dental plaque.
- the voltage dropper 530 may be used to reduce the amplitude (eg, peak-to-peak voltage, etc.) of the first AC signal Sa1 output from the signal generator 520 .
- the voltage drop unit 530 may be implemented as a resistance element R, and through this, the second AC signal Sa2 whose magnitude is reduced compared to the first AC signal Sa1 is generated by the voltage drop unit 530. ) can be supplied from
- the filter 540 may perform a filtering operation on the second AC signal Sa2 output from the voltage dropper 530 .
- the filter 540 may be set as a low pass filter including a capacitor element C, and converts the second AC signal Sa2 in the form of a sawtooth wave into a sine wave. It can be converted into a third AC signal (Sa3) of the form.
- the accuracy of the driving signal Vd may be improved by removing an unexpected DC offset of the second AC signal Sa2 through the filter 540 .
- the offset adjusting unit 550 may generate the driving signal Vd by mixing the DC signal with the third AC signal Sa3 output from the filter 540 .
- the offset adjusting unit 550 may include a plurality of resistance elements R1 and R2, and divides the output voltage Vo of the DC-DC converter 510 to a predetermined level. It is possible to generate a DC signal of
- the third AC signal Sa3 supplied through the filter 540 is superimposed on the DC signal generated at the common node N of the first resistance element R1 and the second resistance element R2, resulting in a final driving signal. (Vd) can be created.
- the amplitude of the driving signal Vd may be set to 0.1 mv to 3V. If the amplitude of the driving signal (Vd) is less than 0.1 mV, it is difficult to expect a plaque removal effect, and if the amplitude of the driving signal (Vd) exceeds 3V, there is a concern that toxic substances may be generated due to electrolysis of body fluids.
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Brushes (AREA)
Abstract
Description
Claims (7)
- 통 형상의 핸들부 및 상기 핸들부로부터 연장되며 전면으로 개방된 개구 영역을 구비한 헤드부를 포함하는 외부 케이스;상기 개구 영역에 배치되며, 구동 신호에 대응한 전자기파를 제공하는 제1 전극 및 제2 전극; 및다수의 식모 홀, 제1 전극 홀, 및 제2 전극 홀이 형성되고, 상기 개구 영역을 폐쇄하는 헤드 커버; 를 포함하고,상기 제1 전극 및 상기 제2 전극은,상기 제1 전극 홀 및 상기 제2 전극 홀을 각각 관통하여 외부로 노출되는 것을 특징으로 전기 칫솔.
- 제1항에 있어서,상기 구동 신호를 생성하는 신호 공급부가 실장되며, 상기 핸들부 내에 수용되는 메인 기판; 및상기 메인 기판으로부터 상기 헤드부 방향으로 길게 연장되어 상기 개구 영역에 말단부가 위치하는 서브 기판; 을 더 포함하고,상기 서브 기판의 말단부에는,상기 제1 전극이 삽입 고정되는 제1 기판 홀 및 상기 제2 전극이 삽입 고정되는 제2 기판 홀이 형성되는 것을 특징으로 하는 전기 칫솔.
- 제2항에 있어서,상기 서브 기판의 말단부에는,적어도 하나의 LED가 배치된 것을 특징으로 하는 전기 칫솔.
- 제2항에 있어서,상기 제1 전극은,상기 제1 기판 홀에 삽입되는 제1-1 전극 영역, 상기 제1 전극 홀에 삽입되는 제1-2 전극 영역, 상기 제1-1 전극 영역 및 상기 제1-2 전극 영역 사이에 배치되며 상기 서브 기판과 전기적으로 연결되는 제1-3 전극 영역을 포함하고,상기 제2 전극은,상기 제2 기판 홀에 삽입되는 제2-1 전극 영역, 상기 제2 전극 홀에 삽입되는 제2-2 전극 영역, 상기 제2-1 전극 영역 및 상기 제2-2 전극 영역 사이에 배치되며 상기 서브 기판과 전기적으로 연결되는 제2-3 전극 영역을 포함하는 전기 칫솔.
- 제4항에 있어서,상기 메인 기판이 안착되어 지지되는 기판 지지부 및 배터리가 위치하는 배터리 수용부를 구비하며, 상기 외부 케이스 내에 수용되는 내부 케이스; 를 더 포함하는 전기 칫솔.
- 제5항에 있어서,상기 메인 기판에는,다수의 결합 홈이 형성되며,상기 기판 지지부에는,상기 결합 홈을 통하여 일측으로 연장되며, 상기 메인 기판과 체결되는 다수의 체결부가 형성된 것을 특징으로 하는 전기 칫솔.
- 제1항에 있어서,상기 제1 전극 홀과 상기 제2 전극 홀 사이에는,적어도 한 열의 식모홀이 배치되는 것을 특징으로 하는 전기 칫솔.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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US18/007,908 US20240008634A1 (en) | 2021-09-08 | 2021-12-15 | Electric toothbrush |
CN202180095409.4A CN116981427A (zh) | 2021-09-08 | 2021-12-15 | 电动牙刷 |
JP2023555598A JP2024509311A (ja) | 2021-09-08 | 2021-12-15 | 電気歯ブラシ |
Applications Claiming Priority (2)
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KR10-2021-0119781 | 2021-09-08 | ||
KR1020210119781A KR102628014B1 (ko) | 2021-09-08 | 2021-09-08 | 전기 칫솔 |
Publications (1)
Publication Number | Publication Date |
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WO2023038207A1 true WO2023038207A1 (ko) | 2023-03-16 |
Family
ID=85507385
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PCT/KR2021/019127 WO2023038207A1 (ko) | 2021-09-08 | 2021-12-15 | 전기 칫솔 |
Country Status (5)
Country | Link |
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US (1) | US20240008634A1 (ko) |
JP (1) | JP2024509311A (ko) |
KR (2) | KR102628014B1 (ko) |
CN (1) | CN116981427A (ko) |
WO (1) | WO2023038207A1 (ko) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2079971U (zh) * | 1990-11-02 | 1991-07-03 | 孙树成 | 电子牙刷 |
JP2009183753A (ja) * | 2003-09-09 | 2009-08-20 | Procter & Gamble Co | 歯ブラシ |
US20120233791A1 (en) * | 2009-12-22 | 2012-09-20 | Panasonic Electric Works Co., Ltd | Brush body and toothbrush |
KR20190018618A (ko) * | 2016-06-14 | 2019-02-25 | 벤지온 레비 | 전기식 경구 세정 장치 |
KR102195771B1 (ko) * | 2020-04-06 | 2020-12-28 | 주식회사 프록시헬스케어 | 전기 칫솔 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2592791B2 (ja) | 1989-01-31 | 1997-03-19 | 株式会社サンギ | 電子歯ブラシ |
-
2021
- 2021-09-08 KR KR1020210119781A patent/KR102628014B1/ko active IP Right Grant
- 2021-12-15 JP JP2023555598A patent/JP2024509311A/ja active Pending
- 2021-12-15 CN CN202180095409.4A patent/CN116981427A/zh active Pending
- 2021-12-15 WO PCT/KR2021/019127 patent/WO2023038207A1/ko active Application Filing
- 2021-12-15 US US18/007,908 patent/US20240008634A1/en active Pending
-
2024
- 2024-01-17 KR KR1020240007191A patent/KR20240013255A/ko not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2079971U (zh) * | 1990-11-02 | 1991-07-03 | 孙树成 | 电子牙刷 |
JP2009183753A (ja) * | 2003-09-09 | 2009-08-20 | Procter & Gamble Co | 歯ブラシ |
US20120233791A1 (en) * | 2009-12-22 | 2012-09-20 | Panasonic Electric Works Co., Ltd | Brush body and toothbrush |
KR20190018618A (ko) * | 2016-06-14 | 2019-02-25 | 벤지온 레비 | 전기식 경구 세정 장치 |
KR102195771B1 (ko) * | 2020-04-06 | 2020-12-28 | 주식회사 프록시헬스케어 | 전기 칫솔 |
Also Published As
Publication number | Publication date |
---|---|
CN116981427A (zh) | 2023-10-31 |
KR102628014B1 (ko) | 2024-01-23 |
US20240008634A1 (en) | 2024-01-11 |
KR20240013255A (ko) | 2024-01-30 |
KR20230036827A (ko) | 2023-03-15 |
JP2024509311A (ja) | 2024-02-29 |
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