CN115067946B - Diet capability test system and method thereof - Google Patents
Diet capability test system and method thereof Download PDFInfo
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- 230000037213 diet Effects 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims description 21
- 238000012545 processing Methods 0.000 claims abstract description 41
- 230000003993 interaction Effects 0.000 claims abstract description 32
- 210000003296 saliva Anatomy 0.000 claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 238000002847 impedance measurement Methods 0.000 claims abstract description 16
- 238000005303 weighing Methods 0.000 claims abstract description 15
- 238000005259 measurement Methods 0.000 claims abstract description 14
- 210000000214 mouth Anatomy 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 8
- 238000005070 sampling Methods 0.000 claims description 8
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical group [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 7
- 229910001416 lithium ion Inorganic materials 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 3
- 238000010998 test method Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 230000000378 dietary effect Effects 0.000 description 7
- 238000011156 evaluation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
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- 230000008569 process Effects 0.000 description 3
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- 208000019505 Deglutition disease Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
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- 238000007789 sealing Methods 0.000 description 2
- 241000282472 Canis lupus familiaris Species 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/22—Ergometry; Measuring muscular strength or the force of a muscular blow
- A61B5/221—Ergometry, e.g. by using bicycle type apparatus
- A61B5/222—Ergometry, e.g. by using bicycle type apparatus combined with detection or measurement of physiological parameters, e.g. heart rate
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/0045—Devices for taking samples of body liquids
- A61B10/0051—Devices for taking samples of body liquids for taking saliva or sputum samples
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/22—Ergometry; Measuring muscular strength or the force of a muscular blow
- A61B5/224—Measuring muscular strength
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/22—Ergometry; Measuring muscular strength or the force of a muscular blow
- A61B5/224—Measuring muscular strength
- A61B5/228—Measuring muscular strength of masticatory organs, e.g. detecting dental force
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/42—Detecting, measuring or recording for evaluating the gastrointestinal, the endocrine or the exocrine systems
- A61B5/4261—Evaluating exocrine secretion production
- A61B5/4277—Evaluating exocrine secretion production saliva secretion
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/742—Details of notification to user or communication with user or patient ; user input means using visual displays
- A61B5/7445—Display arrangements, e.g. multiple display units
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/7475—User input or interface means, e.g. keyboard, pointing device, joystick
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C19/00—Dental auxiliary appliances
- A61C19/04—Measuring instruments specially adapted for dentistry
- A61C19/05—Measuring instruments specially adapted for dentistry for determining occlusion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G17/00—Apparatus for or methods of weighing material of special form or property
- G01G17/04—Apparatus for or methods of weighing material of special form or property for weighing fluids, e.g. gases, pastes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
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Abstract
The invention discloses a diet capability test system and a diet capability test method, and belongs to the field of diet capability tests. The testing system comprises a battery power supply module, a DC/DC module, a signal acquisition processing transmission module and an LCD man-machine interaction module; the battery power supply module supplies power to the signal acquisition processing transmission module and the man-machine interaction module through the DC/DC module; the signal acquisition processing transmission module comprises an MCU main control module, a DAC module, an AGC impedance measurement module, a differential signal processing module, an air pressure micro-signal measurement module, an engagement force acquisition strain gauge, a saliva weighing device and a pressure air bag. The system for testing the eating ability can well replace the traditional device for testing the eating ability, and can be used for single-index test and multi-index comprehensive test. Most importantly, the man-machine interaction of the liquid crystal display screen overcomes the defects of the traditional device, and the obtained result is more reliable.
Description
Technical Field
The invention belongs to the field of diet capability test, and particularly relates to a diet capability test system and a diet capability test method.
Background
Diet ability is a necessary condition for ensuring diet safety, and there are studies that systematically summarize diet ability into four quantifiable parameters: in vitro manipulation of food (manual ability), oral processing, sensory ability, and cognitive ability, wherein oral processing is the focus of dietary ability studies for special populations. The oral processing of food involves primarily coordinated movements of the facial muscles of the mouth, lips, cheeks, teeth, tongue and palate, and is closely controlled by the central nervous system, resulting in effective chewing movements. The process involves the cooperation of lips, teeth, salivary secretion, tongue and other oral muscles, and studies have shown that, in addition to dental conditions, bite forces, lingual muscle forces and lip seal forces are key factors affecting oral processing ability. Therefore, the physiological parameters of the eating ability of the individual are measured by adopting a proper method or instrument, so that the eating ability of the individual is evaluated, and particularly in the study of the eating ability of the elderly, the risk of dysphagia of the elderly can be found as early as possible, the occurrence of choking and dysphagia is reduced, and the eating safety of the elderly is ensured.
The current test content of the dietary capacity mainly comprises several main oral cavity processing indexes such as biting force, lingual muscle force, lip sealing force and the like, and a plurality of measuring devices and methods are developed. Such as GM10 designed based on the principle of pressure sensing, for measuring the biting force of teeth, and IOPI tongue depressor, are the earliest commercial products for measuring lingual muscle force, and can measure lip seal force in all directions by using a multi-directional LCF measuring system. Although the special measuring method is adopted for each index, and the method has high accuracy and reliability, as a plurality of devices are more applied to clinical research, the research in the food oral processing field is incomplete, and the specific operation process of each index needs to rely on independent testing equipment to carry out single performance test and be evaluated by manual experience, the requirements on the experience of an evaluation person are increased, and meanwhile, the subjectivity of the evaluation index is increased. And the cost of each device is very high, professional knowledge is needed for operation, and in order to ensure the objectivity of the diet capability test, the consistency of repeated tests and the diet capability comprehensive test device are very necessary.
The conventional eating ability test device includes four parts of contents: the biting force, tongue pressure and lip sealing force are measured by Flexiforce sensors, IOPI tongue pressure instrument, multi-directional LCF measuring system and other devices, which are measuring devices for measuring and analyzing various physiological indexes of the oral cavity. However, the conventional dietary ability testing device has a plurality of problems, namely, the oral cavity physiological indexes are integral, but different measuring equipment is needed to be adopted for measurement, so that the time consumption and the cost are high; secondly, each index needs to be subjected to a single performance test and rated by manual experience, so that the requirements on the experience of the rated personnel are increased, and meanwhile, the subjectivity of the rated index is increased.
Therefore, in order to solve the above-mentioned problems, it is necessary to design a device capable of accurately measuring the eating ability, which is stable, feasible, economical and easy to operate.
Disclosure of Invention
The invention aims to solve the problem of single index measurement in the current diet capability test, and provides a diet capability test system and a diet capability test method with multiple index comprehensive test and evaluation and simple operation. The testing system realizes man-machine interaction by using the liquid crystal screen, and ensures objectivity and stability.
The specific technical scheme adopted by the invention is as follows:
In a first aspect, the invention provides a diet capability test system, which comprises a battery power supply module, a DC/DC module, a signal acquisition processing transmission module and an LCD man-machine interaction module; the battery power supply module supplies power to the signal acquisition processing transmission module and the man-machine interaction module through the DC/DC module; the signal acquisition processing transmission module comprises an MCU main control module, a DAC module, an AGC impedance measurement module, a differential signal processing module, an air pressure micro-signal measurement module, a biting force acquisition strain gauge, a saliva weighing device and a pressure air bag;
The biting force acquisition strain gauge is connected to the AGC impedance measurement module, and an electric signal of the biting force acquisition strain gauge can be amplified in a negative feedback manner through the operational amplifier circuit and then sent to the MCU main control module; the MCU main control module can dynamically adjust the output value of the DAC module to the AGC impedance measurement module according to the amplitude of the electric signal, so that the output signal of the AGC impedance measurement module is positioned in the acquisition optimal area of the MCU main control module; the MCU main control module can send the data after signal acquisition, processing and calculation to the LCD man-machine interaction module;
The saliva weighing device is connected to the differential signal processing module, and the electric signals of the saliva weighing device can be converted into digital signals after being filtered and amplified by the differential signal processing module; the MCU main control module can read the digital signal value through SCI communication, and send the data to the LCD man-machine interaction module after processing and calculation;
the pressure air bag is connected to the air pressure micro-signal measuring module, and micro-signals collected by the pressure air bag can be amplified, filtered and converted by the air pressure micro-signal measuring module and then sent to the MCU main control module; the MCU main control module can convert and calculate the received signals and send the signals to the LCD man-machine interaction module.
Preferably, the battery power supply module includes a battery and a battery management module with an external interface, and the battery management module is connected with the DC/DC module through the battery.
Further, the battery is a lithium ion battery with a safety protection module.
Preferably, the MCU main control module is externally connected with a software filter, so that stability and accuracy of signal acquisition can be ensured through software filtering.
Preferably, the LCD man-machine interaction module comprises an LCD display module and a touch input module; the MCU main control module is connected to the LCD display module through a data transmission line, and the touch input module is used for inputting operation or data and responding.
In a second aspect, the present invention provides a method for testing the dietary ability of a patient using the dietary ability testing system of any one of the first aspects, comprising:
Placing an occlusion force acquisition strain gauge at the left or right tooth occlusion position of a person to be tested, enabling the person to be tested to forcefully occlude the occlusion force acquisition strain gauge, observing a current pressure value through an LCD human-computer interaction module, starting testing through an MCU main control module when the displayed pressure value is close to a maximum stable value, and obtaining a left or right tooth occlusion test result after continuously detecting for a set time;
Placing a pressure air bag on the upper part of the oral cavity of a person to be tested, enabling the tongue of the person to be tested to bear against the pressure air bag, observing the current pressure value through an LCD human-computer interaction module, starting testing through an MCU main control module when the displayed pressure value is close to the maximum stable value, and obtaining a tongue pressure test result after continuously detecting the set time; then, a lip seal pressure test result is obtained by using a pressure air bag through the same method;
sampling saliva of a person to be tested by adopting a standard sampling cup, then placing the sampling cup on a saliva weighing device, and obtaining a saliva flow rate test result through an MCU main control module;
obtaining the occlusal areas of teeth on two sides of a person to be tested through wax sheets;
and then the obtained dental occlusion test result, lingual pressure test result, lip seal pressure test result, saliva flow rate test result and dental occlusion area test result are made into an oral cavity physiological index detection report for further analysis of the results. Preferably, the set time is 5 seconds.
Preferably, the saliva is sampled for a period of 5 minutes.
Compared with the prior art, the invention has the following beneficial effects:
1. The system for testing the eating ability can well replace the traditional device for testing the eating ability, and can be used for single-index test and multi-index comprehensive test. Most importantly, the man-machine interaction of the liquid crystal display screen overcomes the defects of the traditional device, and the obtained result is more reliable.
2. The invention can flexibly adjust the measurement parameters of the sensor according to the test requirement to obtain more accurate results or be used for measuring the actual oral cavity indexes.
3. In the test link, the dietary ability test system of the invention uniformly measures related measurement indexes and comprehensively analyzes and evaluates the measurement indexes, thereby reducing the subjectivity of evaluation. The objectivity and the stability are ensured while the test evaluation efficiency is improved.
4. The diet capability test system of the invention is added with the weighing sensor on the basis of measuring the physiological indexes of the oral cavity, and can be applied to the measurement of saliva flow rate, so that the cost of the whole device is effectively reduced, and the invention is beneficial to actual application, operation and popularization.
Drawings
FIG. 1 is a block diagram of a dietary ability testing system;
FIG. 2 is a frame diagram of a battery powered module;
FIG. 3 is a block diagram of a signal acquisition processing transmission module;
FIG. 4 is a frame diagram of an LCD human-machine interaction module;
In the figure: the device comprises a battery management module 1, a DC/DC module 2, an LCD man-machine interaction module 3, an MCU main control module 4, a DAC module 5, an AGC impedance measurement module 6, a differential signal processing module 7, an air pressure micro-signal measurement module 8, an engagement force acquisition strain gauge 9, a saliva weighing device 10, a pressure air bag 11, an LCD display module 12 and a touch input module 13.
Detailed Description
The invention is further illustrated and described below with reference to the drawings and detailed description. The technical features of the embodiments of the invention can be combined correspondingly on the premise of no mutual conflict.
As shown in fig. 1, the invention provides a diet capability test system, which mainly comprises a battery power supply module, a DC/DC module 2, a signal acquisition processing transmission module and an LCD man-machine interaction module 3. The strain gauge electric signal is amplified by the operational amplifier and then is sent to the main control, the main control adjusts the DAC output value to the AGC impedance measuring circuit according to the electric signal amplitude, AGC control is realized by dynamically adjusting the DAC, the electric signal is ensured to be in an ADC signal acquisition optimal area, and the accuracy is ensured to be maximized.
The structure and connection of the components will be described in detail.
As shown in fig. 2, the battery power supply module supplies power to the signal acquisition, processing and transmission module and the man-machine interaction module through the DC/DC module 2.
In the present embodiment, the battery power module includes a battery and a battery management module 1, the battery management module 1 is connected to the DC/DC module 2 through the battery, and the battery management module 1 has an external interface. The battery may be a lithium ion battery with a safety protection module. When the lithium ion battery is low in electric quantity in practical application, the external interface of the battery management module 1 charges the lithium ion battery through the battery management module 1, and meanwhile, the lithium ion battery comprises a safety protection module which provides corresponding safety monitoring of the lithium ion battery. When an external power supply is input, the battery can be automatically charged according to the current electric quantity and is switched to an external power supply mode; when no external power supply is provided, the battery is directly adopted for supplying power. The safety protection module can provide corresponding overcurrent, overvoltage, overload and undervoltage monitoring and protection for the lithium battery. Under the protection of the management module, the battery passes through the DC/DC module 2 to form a direct current power supply to supply power to the main control. The DC/DC module 2 adopts a plurality of paths of Buck to reduce the voltage to +12V, +5V, +3.3V to the LCD human-computer interaction module 3, the MCU main control module 4, the DAC module 5, the AGC impedance measurement module 6, the differential signal processing module 7 and the air pressure micro-signal measurement module 8 respectively. In order to ensure the stability and the anti-interference capability of the power supply, LC filtering and bypass decoupling are adopted for different power supplies.
As shown in fig. 3, the signal acquisition, processing and transmission module mainly comprises an MCU main control module 4, a DAC module 5, an AGC impedance measurement module 6, a differential signal processing module 7, an air pressure micro-signal measurement module 8, a bite force acquisition strain gauge 9, a saliva scale 10 and a pressure air bag 11.
The biting force acquisition strain gauge 9 in the signal acquisition processing transmission module is connected to the AGC impedance measurement module 6, and the electric signal of the biting force acquisition strain gauge 9 can be amplified in a negative feedback manner through the operational amplifier circuit and then sent to the MCU main control module 4. The MCU main control module 4 can adjust the output value of the DAC module 5 to the AGC impedance measurement module 6 according to the amplitude of the electric signal, and the AGC impedance measurement module 6 is controlled by dynamically adjusting the DAC module 5, so that the output signal of the AGC impedance measurement module 6 is ensured to be in the acquisition optimal area of the MCU main control module 4. Meanwhile, the MCU master control module 4 ensures the stability and precision of signal acquisition through software filtering. After the MCU main control module 4 collects, processes and calculates signals, the data are sent to the LCD man-machine interaction module 3.
The saliva weighing device 10 in the signal acquisition, processing and transmission module is connected to the differential signal processing module 7, and the electric signal of the saliva weighing device 10 can be converted into a digital signal after being filtered and amplified by the differential signal processing module 7. The MCU main control module 4 can read the digital signal value output by the differential signal processing module 7 through SCI communication, and send the data to the LCD man-machine interaction module 3 after processing and calculation.
The pressure air bag 11 in the signal acquisition processing transmission module is connected to the air pressure micro-signal measurement module 8, and micro-signals acquired by the pressure air bag 11 can be amplified, filtered and converted by the air pressure micro-signal measurement module 8 and then sent to the MCU main control module 4. The MCU main control module 4 can convert and calculate the received signals and send the signals to the LCD man-machine interaction module 3.
As shown in fig. 4, the LCD human-computer interaction module 3 includes an LCD display module 12 and a touch input module 13. The MCU main control module 4 is connected to the LCD display module 12 through a data transmission line, and the MCU main control module 4 transmits the signal conversion processing data to the LCD display module 12 for display. Meanwhile, the user inputs operations or data through the touch input module 13 and responds.
The method for testing the eating ability by using the eating ability testing system comprises the following steps:
The MCU main control module 4 is provided with a touch screen, and a user inputs relevant parameters of the sensor through the screen. The biting force acquisition strain gauge 9 is placed at the left tooth biting position of the testee, so that the testee forcefully bites the biting force acquisition strain gauge 9, the current pressure value is observed through the LCD human-computer interaction module 3, when the displayed pressure value is close to the maximum stable value, a start test button on the screen of the MCU main control module 4 is clicked, and after the continuous detection is carried out for 5 seconds, the left tooth biting test is finished. And then the occlusal pressure of the right teeth of the testee is tested in the same way, so that the occlusal pressure test result of the teeth of the two sides of the testee is obtained.
Placing the pressure air bag 11 on the upper part of the oral cavity of the testee, enabling the tongue of the testee to bear against the pressure air bag 11, observing the current pressure value through the LCD human-computer interaction module 3, clicking a start test button on the screen of the MCU main control module 4 when the displayed pressure value is close to the maximum stable value, and after the continuous detection for 5 seconds, ending the tongue pressure test to obtain a tongue pressure test result. The same method can also be used to test lip seal pressure.
Saliva of the testee is sampled for 5 minutes by adopting a standard sampling cup, then the sampling cup is placed on the saliva weighing device 10, and the host computer automatically calculates the saliva flow rate and displays the saliva flow rate on the screen of the MCU master control module 4.
The occlusal area of the teeth on both sides of the tested person is obtained by the wax sheet, and is specifically as follows:
The occlusal area of teeth is measured by wax sheets, a plurality of wax sheets (thickness is 2 mm) of 60x40mm are cut by an experimenter before testing, the experimenter puts the wax sheets into one side of the dentition of a subject (ensures that the wax sheets can cover all the back teeth of dogs and are parallel to the dentition), the subject slowly closes the mouth for occlusion and tries to bite tightly, the mouth is slowly opened after keeping for 5 seconds, the experimenter carefully takes out the wax sheets, marks the serial number, the left/right side and the front/back side of the subject at the blank of the wax sheets by a mark pen, and puts the experimenter into clear water to wash surface saliva and naturally dries for standby. The other side dentition impression was taken in the same way. The area of the region of the obtained dental impression having a thickness of 1mm or less is defined as the effective dental occlusion area.
And then preparing an oral cavity physiological index detection report from the dental occlusion test result, the lingual pressure test result, the lip seal pressure test result, the saliva flow rate test result and the dental occlusion area test result obtained by the method, so as to further analyze the results, wherein the method is as follows:
The method comprises the steps of designing an oral cavity physiological index detection report, wherein the oral cavity physiological index detection report comprises three parts, namely basic information, an inspection result and a health suggestion. Personal basic information is obtained by a questionnaire method, and the obtained biting force, tongue pressure, lip seal and saliva flow rate test results are output to an oral cavity physiological index detection report checking result part through the biting force acquisition strain gauge 9, the pressure air bag 11 and the saliva weighing device 10. And corresponding advice is provided for health, including: diet advice, oral cavity movement, mental health.
The above embodiment is only a preferred embodiment of the present invention, but it is not intended to limit the present invention. Various changes and modifications may be made by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present invention. Therefore, all the technical schemes obtained by adopting the equivalent substitution or equivalent transformation are within the protection scope of the invention.
Claims (8)
1. The diet capability test system is characterized by comprising a battery power supply module, a DC/DC module (2), a signal acquisition, processing and transmission module and an LCD human-computer interaction module (3); the battery power supply module supplies power to the signal acquisition, processing and transmission module and the man-machine interaction module through the DC/DC module (2); the signal acquisition processing transmission module comprises an MCU main control module (4), a DAC module (5), an AGC impedance measurement module (6), a differential signal processing module (7), an air pressure micro-signal measurement module (8), a biting force acquisition strain gauge (9), a saliva weighing device (10) and a pressure air bag (11);
The biting force acquisition strain gauge (9) is connected to the AGC impedance measurement module (6), and an electric signal of the biting force acquisition strain gauge (9) can be amplified in a negative feedback manner through the operational amplifier circuit and then sent to the MCU main control module (4); the MCU main control module (4) can dynamically adjust the output value of the DAC module (5) to the AGC impedance measurement module (6) according to the amplitude of the electric signal, so that the output signal of the AGC impedance measurement module (6) is positioned in the acquisition optimal area of the MCU main control module (4); the MCU main control module (4) can send the data after signal acquisition, processing and calculation to the LCD man-machine interaction module (3);
The saliva weighing device (10) is connected to the differential signal processing module (7), and the electric signals of the saliva weighing device (10) can be converted into digital signals after being filtered and amplified by the differential signal processing module (7); the MCU main control module (4) can read the digital signal value through SCI communication, obtain saliva flow rate test results after processing and calculation and send data to the LCD man-machine interaction module (3);
The pressure air bag (11) is connected to the air pressure micro-signal measuring module (8), and micro-signals collected by the pressure air bag (11) can be amplified, filtered and converted by the air pressure micro-signal measuring module (8) and then sent to the MCU main control module (4); the MCU main control module (4) can convert and calculate the received signals to obtain tongue pressure test results and lip seal pressure test results, and the tongue pressure test results and the lip seal pressure test results are sent to the LCD human-computer interaction module (3).
2. The eating ability testing system according to claim 1, wherein the battery powered module comprises a battery and a battery management module (1) with an external interface, the battery management module (1) being connected to the DC/DC module (2) by means of the battery.
3. The eating ability testing system of claim 2, wherein the battery is a lithium ion battery with a safety protection module.
4. The eating ability test system of claim 1, wherein the MCU main control module (4) is externally connected with a software filter, and the stability and accuracy of signal acquisition can be ensured through software filtering.
5. The eating ability testing system according to claim 1, wherein the LCD human-machine interaction module (3) comprises an LCD display module (12) and a touch input module (13); the MCU main control module (4) is connected to the LCD display module (12) through a data transmission line, and the touch input module (13) is used for inputting operation or data and responding.
6. A method for testing the eating ability by using the eating ability testing system as claimed in any one of claims 1 to 5, which is characterized by comprising the following steps:
placing an occlusion force acquisition strain gauge (9) at the occlusion position of the left or right tooth of a person to be tested, enabling the person to be tested to forcefully occlude the occlusion force acquisition strain gauge (9), observing a current pressure value through an LCD human-computer interaction module (3), starting a test through an MCU main control module (4) when the displayed pressure value is close to a maximum stable value, and obtaining an occlusion test result of the left or right tooth after continuously detecting a set time;
Placing a pressure air bag (11) at the upper part of the oral cavity of a to-be-detected person, enabling the tongue of the to-be-detected person to bear against the pressure air bag (11), observing a current pressure value through an LCD human-computer interaction module (3), starting a test through an MCU main control module (4) when the displayed pressure value is close to a maximum stable value, and obtaining a tongue pressure test result after continuously detecting a set time; then the lip seal pressure test result is obtained by the pressure air bag (11) through the same method;
Sampling saliva of a person to be tested by adopting a standard sampling cup, then placing the sampling cup on a saliva weighing device (10), and obtaining a saliva flow rate test result through an MCU main control module (4);
obtaining the occlusal areas of teeth on two sides of a person to be tested through wax sheets;
And then the obtained dental occlusion test result, lingual pressure test result, lip seal pressure test result, saliva flow rate test result and dental occlusion area test result are made into an oral cavity physiological index detection report for further analysis of the results.
7. The method of claim 6, wherein the set time is 5 seconds.
8. The method of claim 6, wherein the saliva is sampled for a period of 5 minutes.
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| CN106974665A (en) * | 2017-03-30 | 2017-07-25 | 南京信息工程大学 | One kind occlusion force checking device and its snap-in force detection method |
| CN111407451A (en) * | 2020-03-26 | 2020-07-14 | 宋业华 | Dental occlusion force measuring device and oral cavity wearing device |
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| US6623698B2 (en) * | 2001-03-12 | 2003-09-23 | Youti Kuo | Saliva-monitoring biosensor electrical toothbrush |
| KR101456695B1 (en) * | 2012-09-21 | 2014-11-04 | 연세대학교 산학협력단 | Bite force measurement system |
| DE102013109180B3 (en) * | 2013-08-23 | 2014-09-18 | Romy Spindler | Apparatus and method for detecting jaw-guided lower jaw movement, articulator and method for simulating jaw movement on an articulator |
| US20150216641A1 (en) * | 2014-02-03 | 2015-08-06 | Liviu Popa-Simil | Multifunctional ortodontic bracket cover |
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| CN106974665A (en) * | 2017-03-30 | 2017-07-25 | 南京信息工程大学 | One kind occlusion force checking device and its snap-in force detection method |
| CN111407451A (en) * | 2020-03-26 | 2020-07-14 | 宋业华 | Dental occlusion force measuring device and oral cavity wearing device |
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