CN106053204A - Mechanical detection device based on bionic oral cavity - Google Patents
Mechanical detection device based on bionic oral cavity Download PDFInfo
- Publication number
- CN106053204A CN106053204A CN201610328970.3A CN201610328970A CN106053204A CN 106053204 A CN106053204 A CN 106053204A CN 201610328970 A CN201610328970 A CN 201610328970A CN 106053204 A CN106053204 A CN 106053204A
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- China
- Prior art keywords
- oral cavity
- bionical
- jaw
- upper jaw
- tongue
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
Abstract
The invention discloses a mechanical detection device base on a bionic oral cavity. The device comprises a supportive guide pillar, an oral cavity upper jaw, a bionic tongue, an oral cavity lower jaw, a base shell, a data collection handle, and a computer. The supportive guide pillar is fixed on the base shell. The supportive guide pillar and the base shell are both hollow, and the inner spaces of the supportive guide pillar and the base shell are communicated with each other. The supportive guide pillar is sleevedly connected two pipe clamps. One end of the upper pipe clamp is connected to the oral cavity upper jaw, and the lower pipe clamp is connected to the oral cavity lower jaw. The bionic tongue is arranged between the oral cavity upper jaw and the oral cavity lower jaw, and is connected to the supportive guide pillar through a tail rod. A supportive guide pillar pipe wall through hole, which cooperates with the tail rod, is arranged in the supportive guide pillar. The inner surface of the oral cavity upper jaw and the upper surface of the bionic tongue are both covered by an array type sensing area. The array type sensing area is a pressure sensing point, which is formed by intersecting wire arrays, which are parallel at equal interval. A lead wire of wire arrays is electrically connected to the data collection handle. The provided device can simulate the movement of human tongue between the upper jaw and lower jaw of oral cavity so as to sense the texture of food.
Description
Technical field
The present invention relates to a kind of apparatus for testing mechanical based on bionical oral cavity.
Background technology
Oral cavity as relatively independent and extraneous close contact a space, is the vitals taken food of the mankind.Food
After entering oral cavity, not only comprise chewing of tooth broken, and with tongue some motions between upper lower jaw, during this
Food kibble mainly by the opposing compression between tongue upper surface and the oral cavity upper jaw, lingual surface and inner buccal surfaces be all compare send out
The touch feeling tissue reached, has the ability of perception sense of touch as skin, and at this moment the oral cavity upper jaw and tongue surface all can produce point
The mechanical information of cloth, the mankind can judge the shape of food, quality, fine and smooth journey by experiencing the mechanical information of these complexity
Degree etc..But food is chewed crushing force mainly for tooth by some instruments of simulating human oral environment development at present, detection
Simply monoblock food be extruded the mechanical property that broken moment presents, and often ignore and entered by the food kibble after chewing
With the motion of tongue behind entrance cavity inside, present on the contact surface during being extruded with the oral cavity upper jaw by tongue divides
The mechanical information of cloth.Therefore, simulating human perception research and development are a kind of has the bionical oral cavity pressing sense of touch to know in order to detect in oral cavity
The stress distribution in portion and size have greatly help to the quality mouthfeel analyzing food further, to the development of whole bionic field also
There is very important meaning.
Summary of the invention
For solve the problems referred to above, the invention provides one can simulating human tongue move between lower jaw on oral cavity from
And the bionical oral cavity of perception detection texture of food.
For achieving the above object, the technical scheme that the present invention takes is:
A kind of apparatus for testing mechanical based on bionical oral cavity, including under supporting cell guide, the oral cavity upper jaw, bionical tongue, oral cavity
Jaw, base housing, data acquisition handle and computer, described supporting cell guide is fixed on base housing, both at hollow, its
Inner space communicates；Described supporting cell guide is socketed with two pipe clamps, and pipe clamp one end of top is connected with the oral cavity upper jaw, the pipe of lower section
Folder is connected with oral cavity lower jaw, and the position that can adjust two pipe clamps makes between the described oral cavity upper jaw and lower jaw at a distance of suitable position
Put；Described bionical tongue is placed between the oral cavity upper jaw and oral cavity lower jaw, and is connected with supporting cell guide, on supporting cell guide by foot piece
It is provided with the supporting cell guide tube wall through hole matched with foot piece, in the middle part of described foot piece, offers round tube hole, run through in round tube hole and have directly
Linear light axle, straight optical axis two ends are fixed in the groove that both sides in supporting cell guide tube wall through hole are corresponding, and described foot piece end passes through
Jointed shaft is hinged with connecting rod, and the bottom of connecting rod is connected by lifting bolt one end of a few font iron, a few font irons
The other end coupled with motor power by connecting rod axle sleeve, a few font iron can be driven during electric machine rotation to rotate, so that company
Extension bar drive bionical tongue on described oral cavity between lower jaw with straight optical axis for axle opposing oscillatory, described oral cavity upper jaw inner surface
And described bionical tongue upper surface is covered with array sensitive zones, described array sensitive zones be some parallel equidistantly
Ranks wires cross constitute pressure sensing point, each point is equivalent to a varistor, its resistance can with effect thereon
The change of power and change, ranks wire lead-out wire electrically connects with data acquisition handle, and the described data acquisition handle other end leads to
Cross USB port to be connected with described Computer signal.
Preferably, described bionical tongue, the oral cavity upper jaw and oral cavity lower jaw all use the curved surface weight that reverse Engineering Technology realizes
Structure, described bionical tongue, the oral cavity upper jaw and oral cavity lower jaw use 3D printer to print.
Preferably, the described oral cavity upper jaw and oral cavity lower jaw tail end are equipped with a cuboid connecting rod, pipe clamp with pass through bolt
It is connected with cuboid connecting rod.
Preferably, described array sensitive zones is made by following steps:
Adhere to a strata ester film at described oral cavity upper jaw inner surface, then on thin film, print several rows with conductive silver paste
Tape conductor, simultaneously prints some row tape conductors, between every row (column) on the mylar that another sheet size, thickness are identical
Distance equal, afterwards use typography respectively by whole for piezoresistive material uniform fold row, column tape conductor and institute thereof
On surface, the mylar being printed with row tape conductor finally is perpendicular on lingual surface be printed with the mylar of row tape conductor
Place, the two is pressed into an entirety.
Preferably, described data acquisition handle is the exclusive data harvester of the dynamic distributed thin film pressure transducer of Chinese mugwort.
The method have the advantages that
Can simulate after being entered oral cavity by the food kibble after chewing, be squeezed by tongue and the oral cavity upper jaw with the motion of tongue
The change of mechanical information on contact surface during pressure, by carrying out these distributed biomechanical informations of cavity interior point
Analysis, can detect some the trickleest texture characteristics of food, fine and smooth degree etc., make analysis result closer to human sensory
Describing, also objective, accurate, thoroughly evaluating for texture of food provide a kind of new detection device.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of a kind of apparatus for testing mechanical based on bionical oral cavity of the embodiment of the present invention；
Fig. 2 is the schematic diagram of bionical tongue model in Fig. 1；
Fig. 3 is the structural representation controlling the actuating device that tongue swings up and down in the embodiment of the present invention；
Fig. 4 is the schematic diagram of gnathode on oral cavity in Fig. 1；
Fig. 5 is the schematic diagram of oral cavity mandibular model in Fig. 1；
Fig. 6 is the bionical tongue schematic diagram that in the embodiment of the present invention, upper surface is covered with ranks intersection sensing point；
Fig. 7 is the oral cavity upper jaw schematic diagram that in the embodiment of the present invention, inner surface is covered with ranks intersection sensing point.
Detailed description of the invention
In order to make objects and advantages of the present invention clearer, below in conjunction with embodiment, the present invention is carried out further
Describe in detail.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not used to limit this
Bright.
As Figure 1-Figure 5, a kind of apparatus for testing mechanical based on bionical oral cavity, its feature are embodiments provided
It is, including supporting cell guide 1, the oral cavity upper jaw 2, bionical tongue 3, oral cavity lower jaw 4, base housing 5, data acquisition handle 7 and meter
Calculation machine 8, described supporting cell guide 1 is fixed on base housing 5, and both at hollow, its inner space communicates；Described supporting cell guide
1 is socketed with two pipe clamps 6, and pipe clamp 6 one end of top is connected with the oral cavity upper jaw 2, and the pipe clamp 6 of lower section is connected with oral cavity lower jaw 4, can
Make between the described oral cavity upper jaw 2 and lower jaw 4 at a distance of suitable position with the position of two pipe clamps of adjustment；Described bionical tongue 3 is put
Between the oral cavity upper jaw 2 and oral cavity lower jaw 4, and being connected with supporting cell guide 1 by foot piece 9, supporting cell guide 1 is provided with and foot piece 9
The supporting cell guide tube wall through hole matched, offers round tube hole in the middle part of described foot piece 9, runs through and have straight optical axis 10 in round tube hole,
Straight optical axis 10 two ends are fixed in the groove that both sides in supporting cell guide tube wall through hole are corresponding, and described foot piece 9 end is by hinged
Axle is hinged with connecting rod 11, and the bottom of connecting rod 11 is connected by lifting bolt 12 one end of a few font iron 13, several fonts
The other end of iron 13 is coupled with motor 14 power by connecting rod axle sleeve, and a few font iron 13 can be driven when motor 14 rotates to revolve
Turn so that connecting rod 11 drive bionical tongue 3 on described oral cavity between lower jaw with straight optical axis 10 for axle opposing oscillatory, institute
State the oral cavity upper jaw 2 inner surface and described bionical tongue 3 upper surface is covered with array sensitive zones, described array sensing unit
Territory is the pressure sensing point that some parallel equally spaced ranks wires cross are constituted, and each point is equivalent to a varistor, its
Resistance can change with the change acting on power thereon, and ranks wire lead-out wire electrically connects with data acquisition handle 7, described number
It is connected with described computer 8 signal by USB port according to gathering handle 7 other end.
Described bionical tongue 3, the oral cavity upper jaw 2 and oral cavity lower jaw 4 all use the surface reconstruction that reverse Engineering Technology realizes, institute
Stating bionical tongue 3, the oral cavity upper jaw 2 and oral cavity lower jaw 4 uses 3D printer to print.
As shown in Figure 4 and Figure 5, in addition to facilitate described pipe clamp to clamp, the described oral cavity upper jaw 2 and oral cavity lower jaw 4 tail end
Being equipped with a cuboid connecting rod, pipe clamp 6 is connected with cuboid connecting rod with by bolt.
As Figure 6-Figure 7, described array sensitive zones is made by following steps:
Adhere to a strata ester film at the described oral cavity upper jaw 2 inner surface, then print some on thin film with conductive silver paste
Row tape conductor, simultaneously prints some row tape conductors on the mylar that another sheet size, thickness are identical, every row (column) it
Between distance equal, use afterwards typography respectively by whole for piezoresistive material uniform fold row, column tape conductor and
Surface, place, the polyester that the mylar being printed with row tape conductor finally is perpendicular on lingual surface be printed with row tape conductor is thin
Film is placed, and the two is pressed into an entirety.The cross point of substantial amounts of horizontal conductor and longitudinal conductor is the formation of pressure sensitive
Lattice array.When on External Force Acting to these induction points, the resistance of the piezoresistive material between upper lower conductor can be with the change of external force
Change and proportional change, thus reflect the force value of induction point.Same method is also made at the upper surface of described bionical tongue
Making one layer of ranks crossover pressure sensing point, the ranks lead-out wire of the two all electrically connects with described data acquisition handle 7,
When being originally embodied as test, open and the computer software of pressure acquisition matched with devices, by pretreated food
Fragment is placed on the lingual surface of bionical tongue, adjusts two pipe clamps on supporting cell guide, makes lower jaw form peripheral edge portions parallel
At a distance of 2cm (height of two teeth up and down of corresponding people), start the motor in bionical oral-cavity device base housing, make tongue exist
In oral cavity up and down, during sample is extruded by tongue and the oral cavity upper jaw, computer software interface can show tongue in real time
Face changes with the pressure of oral cavity upper jaw inner surface sensitive zones each point and preserves force value, utilizes on these contact surfaces
Pressure data, analyzes the texture characteristic of food, fine and smooth degree etc., the mouthfeel of thoroughly evaluating food.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (5)
1. an apparatus for testing mechanical based on bionical oral cavity, it is characterised in that include supporting cell guide, the oral cavity upper jaw, bionical tongue
Head, oral cavity lower jaw, base housing, data acquisition handle and computer, described supporting cell guide is fixed on base housing, both
For hollow, its inner space communicates；Described supporting cell guide is socketed with two pipe clamps, pipe clamp one end of top and oral cavity upper jaw phase
Even, the pipe clamp of lower section is connected with oral cavity lower jaw, and described bionical tongue is placed between the oral cavity upper jaw and oral cavity lower jaw, and passes through foot piece
Being connected with supporting cell guide, supporting cell guide is provided with the supporting cell guide tube wall through hole matched with foot piece, offers in the middle part of described foot piece
Having round tube hole, run through and have straight optical axis in round tube hole, in straight optical axis two ends are fixed on supporting cell guide tube wall through hole, both sides are corresponding
Groove in, described foot piece end is hinged with connecting rod by jointed shaft, the bottom of connecting rod by lifting bolt connect have several
One end of font iron, the other end of a few font irons is coupled with motor power, in the upper jaw of described oral cavity by connecting rod axle sleeve
Surface and described bionical tongue upper surface are covered with array sensitive zones, and described array sensitive zones is some parallel etc.
The pressure sensing point that the ranks wires cross of spacing is constituted, each point is equivalent to a varistor, ranks wire lead-out wire with
Data acquisition handle electrically connects, and the described data acquisition handle other end is connected with described Computer signal by USB port.
A kind of apparatus for testing mechanical based on bionical oral cavity the most according to claim 1, it is characterised in that described bionical tongue
Head, the oral cavity upper jaw and oral cavity lower jaw all use the surface reconstruction that reverse Engineering Technology realizes, described bionical tongue, the oral cavity upper jaw and
Oral cavity lower jaw uses 3D printer to print.
A kind of apparatus for testing mechanical based on bionical oral cavity the most according to claim 1, it is characterised in that on described oral cavity
Jaw and oral cavity lower jaw tail end are equipped with a cuboid connecting rod, and pipe clamp is connected with cuboid connecting rod with by bolt.
A kind of apparatus for testing mechanical based on bionical oral cavity the most according to claim 1, it is characterised in that described array
Sensitive zones is made by following steps:
Adhere to a strata ester film at described oral cavity upper jaw inner surface, then on thin film, print several rows banding with conductive silver paste
Conductor, simultaneously prints some row tape conductors on the mylar that another sheet size, thickness are identical, between every row (column) away from
From equal, use typography respectively by whole for piezoresistive material uniform fold row, column tape conductor and place table thereof afterwards
Face, the mylar that the mylar being printed with row tape conductor finally is perpendicular on lingual surface be printed with row tape conductor is put
Put, the two is pressed into an entirety.
A kind of apparatus for testing mechanical based on bionical oral cavity the most according to claim 1, it is characterised in that described data acquisition
Collection handle is the exclusive data harvester of the dynamic distributed thin film pressure transducer of Chinese mugwort.
Priority Applications (1)
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| CN201610328970.3A CN106053204A (en) | 2016-05-13 | 2016-05-13 | Mechanical detection device based on bionic oral cavity |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610328970.3A CN106053204A (en) | 2016-05-13 | 2016-05-13 | Mechanical detection device based on bionic oral cavity |
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| CN201610328970.3A Pending CN106053204A (en) | 2016-05-13 | 2016-05-13 | Mechanical detection device based on bionic oral cavity |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107154208A (en) * | 2017-07-03 | 2017-09-12 | 江南大学 | It is a kind of to simulate the mechanical device that food is swallowed |
| CN108682252A (en) * | 2018-06-11 | 2018-10-19 | 江南大学 | A kind of food based on link motion swallows simulator |
| CN109406267A (en) * | 2018-04-28 | 2019-03-01 | 东北电力大学 | A kind of three-dimensional reconstruction method of apple tongue touching mechanical information |
| CN112034116A (en) * | 2020-07-31 | 2020-12-04 | 厦门超技仪器设备有限公司 | Method for measuring chewing texture of noodles by using texture analyzer to perform three-stage compression test |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107154208A (en) * | 2017-07-03 | 2017-09-12 | 江南大学 | It is a kind of to simulate the mechanical device that food is swallowed |
| CN109406267A (en) * | 2018-04-28 | 2019-03-01 | 东北电力大学 | A kind of three-dimensional reconstruction method of apple tongue touching mechanical information |
| CN108682252A (en) * | 2018-06-11 | 2018-10-19 | 江南大学 | A kind of food based on link motion swallows simulator |
| CN112034116A (en) * | 2020-07-31 | 2020-12-04 | 厦门超技仪器设备有限公司 | Method for measuring chewing texture of noodles by using texture analyzer to perform three-stage compression test |
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Application publication date: 20161026 |
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