CN-122005133-A - Array ultrasonic tooth cleaning device based on pressure sensing self-flushing

CN122005133ACN 122005133 ACN122005133 ACN 122005133ACN-122005133-A

Abstract

The application discloses an array type ultrasonic tooth cleaning device based on pressure sensing self-flushing, which relates to the field of ultrasonic tooth cleaning. The user applies pressure to the tooth area through occlusion, and the pressure sensing and transducing unit collects pressure data in real time and transmits the pressure data to the ultrasonic water supply and drainage integrated control unit. The control unit judges whether to start a tooth cleaning program according to preset conditions, and once triggered, the control unit supplies power to the transducer of the corresponding area to perform ultrasonic fixed-point cluster cleaning, simultaneously controls the associated micro-flushing nozzles to cooperatively flush, and pumps sewage in the oral cavity to an external sewage collecting tank in real time. According to the application, by means of automatic triggering of the occlusion pressure, ultrasonic accurate cleaning and synchronous water flushing aiming at specific tooth areas are realized, sewage can be immediately discharged, and the accuracy, convenience and cleaning efficiency of tooth cleaning are improved.

Inventors

HUANG TIANYUN
HAN JIANMIN
GAO XIN
HUANG QIGUO
WEI HUI

Assignees

北京大学
天津医科大学口腔医院

Dates

Publication Date: 20260512
Application Date: 20260414

Claims (10)

1. An array type ultrasonic tooth cleaning device based on pressure sensing self-flushing is characterized by comprising a plurality of pressure sensing energy conversion units, a plurality of micro-flushing nozzles, a flexible base and an ultrasonic water supply and drainage integrated control unit; The pressure sensing and transduction units and the micro-flushing nozzles are fixedly arranged at the opening positions of the flexible base, and each pressure sensing and transduction unit corresponds to one or more micro-flushing nozzles and is electrically connected with the flexible base, and each micro-flushing nozzle is connected with the flexible base through a pipeline; the water purification input hole of the ultrasonic water supply and drainage integrated control unit is connected with an external water source, the water purification output hole of the ultrasonic water supply and drainage integrated control unit is connected with the flexible base pipeline, the sewage input hole of the ultrasonic water supply and drainage integrated control unit is immersed in oral liquid of a user, and the sewage output hole of the ultrasonic water supply and drainage integrated control unit is connected with an external sewage collecting tank; The ultrasonic water supply and drainage integrated control unit judges whether to clean or not according to preset judging conditions based on all the pressure data, if yes, the ultrasonic water supply and drainage integrated control unit starts water supply and power supply, the current pressure sensor transducer performs ultrasonic fixed-point cluster cleaning, the micro-flushing nozzles corresponding to the current pressure sensor transducer perform collaborative flushing according to a preset flushing strategy, and meanwhile the ultrasonic water supply and drainage integrated control unit pumps sewage generated in the tooth cleaning process into an external sewage collecting pool.
2. The pressure-sensing self-flushing-based array ultrasonic tooth cleaning device according to claim 1, wherein the pressure-sensing transducer comprises an upper focusing acoustic lens layer, an upper ultrasonic driving layer, an upper pressure sensing layer, a flexible electronic circuit layer, a lower pressure sensing layer and a lower focusing acoustic lens layer which are stacked and attached from top to bottom, wherein the upper ultrasonic driving layer, the upper pressure sensing layer, the lower pressure sensing layer and the lower ultrasonic driving layer are all electrically connected with the flexible electronic circuit layer; The upper pressure sensing layer and the lower pressure sensing layer are used for collecting pressure data, the upper ultrasonic driving layer and the lower ultrasonic driving layer are used for generating PWM sound wave signals, and the upper focusing sound lens layer and the lower focusing sound lens layer are used for restricting and guiding the PWM sound wave signals to form concentrated sound beams to act on the tooth surfaces of users.
3. The pressure-sensing self-flushing-based array type ultrasonic tooth cleaning device according to claim 2, wherein a graphite heat dissipation layer is further paved between the upper focusing sound lens layer, the upper ultrasonic driving layer, the upper pressure sensing layer, the flexible electronic circuit layer, the lower pressure sensing layer, the lower ultrasonic driving layer and the lower focusing sound lens layer for heat dissipation and temperature reduction.
4. The pressure-sensing self-rinse-based array type ultrasonic tooth cleaning device according to claim 1, wherein the flexible base corresponds to the gum of the human body and has a shape of a snake belly.
5. The pressure-sensing self-rinsing based array type ultrasonic tooth cleaning device according to claim 1, wherein the micro-rinsing nozzles are micron-sized purge nozzle arrays which are annularly arranged at equal intervals.
6. The pressure-sensing self-flushing-based array type ultrasonic tooth cleaning device according to claim 1, wherein the micro-flushing nozzle is electrically controlled and has an angle-adjustable function.
7. The pressure-sensing self-rinse-based array type ultrasonic tooth cleaning device according to claim 1, wherein the preset array is a quincunx array.
8. The pressure-sensing self-cleaning based array type ultrasonic tooth cleaning device according to claim 1, wherein the preset judging condition is that when the median of the pressure data of all the micro-cleaning nozzles in each pressure sensing and converting unit exceeds a pressure threshold value, cleaning is needed, otherwise cleaning is not needed.
9. The pressure-sensing self-cleaning based array type ultrasonic tooth cleaning device according to claim 1, wherein the preset judging condition is that when the average value of the pressure data of all the micro-cleaning nozzles in each pressure sensing and converting unit exceeds a pressure threshold value, cleaning is needed, otherwise cleaning is not needed.
10. The pressure self-rinse based array ultrasonic tooth cleaning device of claim 1, wherein the preset rinse strategy is to vary the water pressure multiple times at preset time intervals.

Description

Array ultrasonic tooth cleaning device based on pressure sensing self-flushing Technical Field The application relates to the field of ultrasonic tooth cleaning, in particular to an array type ultrasonic tooth cleaning device based on pressure sensing self-flushing. Background With increasing importance of oral health, the intellectualization, high efficiency and comfort of daily tooth cleaning tools become important development directions. Traditional tooth cleaning methods (such as manual tooth brushing) depend on the skill and patience of users, the cleaning effect is uneven, and dental plaque and gap stains are difficult to thoroughly remove. Although products such as electric toothbrushes, tooth washers and even ultrasonic tooth cleaners are developed in the prior art, the cleaning capability is improved, most of them still require manual operation and mode switching by users, the cleaning process is relatively extensive, and accurate positioning and self-adaptive cleaning capability for single or local teeth is lacking. Meanwhile, the rinsing and pollution discharging steps in the tooth cleaning process are often separated or require additional operations, which not only breaks the cleaning continuity, but also can lead to sewage retention in the oral cavity, thereby affecting the user experience and sanitation. The existing ultrasonic tooth cleaning device mainly has the following defects: 1. Usually, the cleaning area needs to be manually opened and selected, and the cleaning area cannot be automatically started according to the real-time stress condition of teeth, so that the operation is not intuitive and convenient. 2. The action range of the ultrasonic wave is relatively fixed, and self-adaptive focusing cleaning is difficult to carry out on the teeth in a single or specific area. 3. Ultrasonic cleaning and water flow flushing often cannot be accurately cooperated, cleaning efficiency is affected, generated sewage cannot be discharged in time, additional treatment is needed for a user, and experience is poor. Disclosure of Invention The application aims to provide an array type ultrasonic tooth cleaning device based on pressure sensing self-flushing, which can realize ultrasonic accurate cleaning and synchronous water flushing aiming at specific tooth areas in an automatic triggering mode by occlusion pressure, can immediately drain sewage and improves the accuracy, convenience and cleaning efficiency of tooth cleaning. In order to achieve the above object, the present application provides the following solutions: The application provides an array type ultrasonic tooth cleaning device based on pressure sensing self-flushing, which comprises a plurality of pressure sensing transduction units, a plurality of micro flushing nozzles, a flexible base and an ultrasonic water supply and drainage integrated control unit, wherein the pressure sensing transduction units and the micro flushing nozzles are fixedly arranged at the opening positions of the flexible base, each pressure sensing transduction unit corresponds to one or a plurality of micro flushing nozzles, each pressure sensing transduction unit is electrically connected with the flexible base, each micro flushing nozzle is connected with a pipeline of the flexible base, the pressure sensing transduction units comprise a plurality of pressure sensing transducers distributed according to a preset array, a water purification input hole of the ultrasonic water supply and drainage integrated control unit is connected with an external water source, a sewage input hole of the ultrasonic water supply and drainage integrated control unit is immersed in oral liquid of a user, a sewage output hole of the ultrasonic water supply and drainage integrated control unit is connected with an external sewage collecting pool, a user performs cooperative flushing on the pressure sensing transduction units in a preset self-flushing area, if the pressure sensing transduction units are required, and if the pressure sensing transduction units are applied to the pressure sensing transduction units, and the pressure sensing transducers are used for cleaning, and whether the water supply and drainage integrated control units are used for cleaning all the water supply and drainage units are used for cooperatively, and the pressure sensing flushing is started according to a pressure sensing flushing strategy when the pressure sensing control unit is used for cleaning the pressure sensing water supply and the water. Simultaneously, the ultrasonic water supply and drainage integrated control unit pumps sewage generated in the tooth cleaning process into an external sewage collecting tank. The pressure sensing transducer comprises an upper focusing acoustic lens layer, an upper ultrasonic driving layer, an upper pressure sensing layer, a flexible electronic circuit layer, a lower pressure sensing layer and a lower ultrasonic driving layer which are stacked and attached from to