KR20160141922A - Apparatus for testing skin friction - Google Patents

Apparatus for testing skin friction Download PDF

Info

Publication number
KR20160141922A
KR20160141922A KR1020150077395A KR20150077395A KR20160141922A KR 20160141922 A KR20160141922 A KR 20160141922A KR 1020150077395 A KR1020150077395 A KR 1020150077395A KR 20150077395 A KR20150077395 A KR 20150077395A KR 20160141922 A KR20160141922 A KR 20160141922A
Authority
KR
South Korea
Prior art keywords
specimen
information
tester
vertical
load information
Prior art date
Application number
KR1020150077395A
Other languages
Korean (ko)
Inventor
이영제
박진확
김민섭
우제용
Original Assignee
성균관대학교산학협력단
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 성균관대학교산학협력단 filed Critical 성균관대학교산학협력단
Priority to KR1020150077395A priority Critical patent/KR20160141922A/en
Publication of KR20160141922A publication Critical patent/KR20160141922A/en

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N19/00—Investigating materials by mechanical methods
    • G01N19/02—Measuring coefficient of friction between materials
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0048—Detecting, measuring or recording by applying mechanical forces or stimuli
    • A61B5/0057—Detecting, measuring or recording by applying mechanical forces or stimuli by applying motion other than vibrations, e.g. rolling, rubbing, applying a torque, tribometry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/16—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring several components of force

Abstract

The present invention relates to a skin friction test apparatus, which comprises: a jig part on which a specimen is placed; a horizontal part on which the jig part is installed and which generates vertical load information by detecting a vertical load applied to the specimen when the specimen is pressed by a tester; a vertical part on which the horizontal part is installed and which generates shear load information by detecting a shear load applied to the specimen when the specimen is pressed by the tester; and an operation unit for outputting tactile friction information, which is information on the tactile sensation of the tester for the specimen based on the vertical load information and the shear load information. Thereby, a friction test can be actively performed.

Description

{APPARATUS FOR TESTING SKIN FRICTION}

The present invention relates to a skin friction tester, and more particularly, to a tactile friction tester, which uses information of a vertical load and a shear load applied to a specimen when a specimen is pressed by a tester, To a skin friction test apparatus capable of actively performing a friction test by outputting information.

A person recognizes an object by touching the surface of the object by hand, and recognizes the touch of the surface of the object through pressure, temperature, and touch sensation. The process of grasping human objects through the tactile sense as described above includes measuring the texture through lateral movement, measuring the hardness and rigidity of the object by applying pressure to the object, and maintaining the contact with the object statically And the like. In the above-described process of grasping objects, friction between objects and fingers is known to be the most important factor in recognizing and reproducing human touch to objects. That is, this friction affects the character of the sensation felt on the human finger against the surface of the object.

On the other hand, in recent years, researches have been actively conducted on materials that directly contact human fingers or skin. In the study of such materials, data on the friction when a person's finger or skin touches the material is required. In order to obtain such friction data, a friction tester is used.

A conventional friction tester acquires friction data by fixing a specimen to a fixed portion of a friction tester and then moving the fixed portion while the specimen is in contact with human skin. According to such a conventional friction testing apparatus, the tester can not directly control the load, and thus there is a problem that the tester can not actively acquire the friction data.

An object of the present invention is to solve the above-described conventional problems, and it is an object of the present invention to provide a tactile sensing device, which uses a vertical load and a shear load information applied to a specimen when a specimen is pressed by a tester, And outputting friction information, thereby providing a skin friction tester capable of actively performing a friction test.

According to the present invention, said object is achieved by a jig portion on which a specimen is seated; A horizontal part installed with the jig and generating vertical load information by sensing a vertical load applied to the specimen when the specimen is pressed by a tester; A vertical part provided with the horizontal part and generating shear load information by sensing a shear load applied to the specimen when the specimen is pressed by the tester; And an arithmetic unit for outputting tactile friction information, which is information on the tactile sensation of the tester with respect to the specimen, based on the vertical load information and the shear load information.

In addition, the jig may include: a base portion provided on the horizontal portion; And a projection protruding from the base to support a side surface of the specimen.

In addition, the base portion may be detachably attached to the horizontal portion.

In addition, the horizontal portion may include a first body disposed horizontally with respect to the paper surface and having the base portion; And a first load cell installed inside the first body and generating a vertical load information by sensing a vertical load applied to the specimen when the specimen is pressed by the tester.

The vertical portion may include a second body disposed perpendicularly to the first body and having the first body installed therein; And a second load cell installed inside the second body and generating a shear load information by sensing a shear load applied to the specimen when the specimen is pressed by the tester.

Further, the present invention may further include a display unit for receiving the vertical load information and the front end load information and displaying the received information.

INDUSTRIAL APPLICABILITY According to the present invention, a skin friction test apparatus capable of actively performing a friction test is provided.

Further, the protrusions protruding from the base portion can be used to effectively support the specimen.

Further, a test using a relatively large-sized specimen can be performed using a base portion detachably attached to the horizontal portion.

1 is a perspective view of a skin friction testing apparatus according to an embodiment of the present invention,
2 is an exploded perspective view of a skin friction testing apparatus according to an embodiment of the present invention,
3 is a perspective view of a jig part of a skin friction testing apparatus according to an embodiment of the present invention,
4 is a rear view of a jig portion of a skin friction testing apparatus according to an embodiment of the present invention,
FIG. 5 illustrates an electrical connection between a first load cell, a second load cell, and an operation unit of the skin friction tester according to an embodiment of the present invention.

Hereinafter, a skin friction testing apparatus according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a perspective view of a skin friction testing apparatus according to an embodiment of the present invention, FIG. 2 is an exploded perspective view of a skin friction testing apparatus according to an embodiment of the present invention, FIG. FIG. 4 is a rear view of a jig part of a skin friction testing device according to an embodiment of the present invention, and FIG. 5 is a view illustrating a skin friction testing device according to an embodiment of the present invention. And the electrical connection between the first load cell and the second load cell and the operation unit.

1 to 5, a skin friction testing apparatus 100 used in a skin friction testing method using a skin friction testing apparatus according to an embodiment of the present invention includes a jig 110 and a horizontal portion 120 A vertical part 130, an arithmetic part 140, and a display part 150.

The jig 110 includes a base portion 111 and a protruding portion 112 on which the test piece t is seated.

The base portion 111 is provided on the first main body 121 of the horizontal portion 120 to be described later, and a protruding portion 112 described later is formed on the upper surface.

An installation groove g is formed on the back surface of the base portion 111. The base portion 111 can be detachably attached to the first body 121 by the installation groove g. Therefore, in the case of the large specimen t, after the base portion 111 is detached from the first main body 121, the specimen t is placed on the top surface of the first main body 121 to perform a friction test .

The projecting portion 112 protrudes from the upper surface of the base portion 111 to support the side surface of the test piece t. The specimen t can be easily supported by the projection 112 described above.

The horizontal part 120 is provided with the above-described jig part 110 to detect the vertical load applied to the specimen t when the specimen t is pressed by the tester to generate vertical load information. The horizontal part 120 includes a first body 121 and a first load cell 122.

The first main body 121 is horizontally arranged with respect to the paper surface, and the above-mentioned base portion 111 is provided on the upper surface. The first body 121 is provided with a first load cell 122 to be described later.

The first load cell 122 is installed inside the first main body 121 to sense the vertical load applied to the specimen t when the specimen t is pressed by the tester, . That is, the first load cell 122 described above is a load sensor that senses a load by using an element in the first load cell 122 deformed by a load, and then converts the sensed load into an electric signal.

The first load cell 122 is electrically connected to the arithmetic unit 140 to transmit the generated vertical load information to the arithmetic unit 140.

The vertical part 130 is provided on the upper surface of the horizontal part 120. When the specimen t is pressed by the tester, the vertical part 130 senses the shear load applied to the specimen t and generates shear load information do. The vertical portion 130 includes a second body 131 and a second load cell 132.

The second body 131 is disposed perpendicular to the first body 121, and the first body 121 is provided on the upper surface. A second load cell 132, which will be described later, is installed inside the second body 131.

The second load cell 132 is installed inside the second main body 131 and is installed inside the second main body 131. When the specimen t is pressed by the tester , And shear load applied to the specimen (t) is sensed to generate shear load information. That is, the second load cell 132 described above is a load sensor. The load sensor detects a load using an element in the second load cell 132 deformed by a load, and then converts the sensed load into an electric signal.

The second load cell 132 is electrically connected to the arithmetic unit 140 to transmit the generated shear load information to the arithmetic unit 140.

The calculation unit 140 outputs the tactile friction information, which is information on the tactile sensation of the tester for the test piece t, on the basis of the vertical load information and the shear load information, so that the first load cell 122 and the second load cell 132, respectively.

The tactile friction information may be a coefficient of friction. This tactile friction information is information on the tactile sensation of the test piece (t), which can be used to perform extensive research on the surface characteristics of the test piece (t).

The display unit 150 receives the vertical load information and the shear load information and displays the shear load information externally. However, the present invention is not limited thereto. The vertical load information and the shear load information may be stored in the form of a seven- It may be provided as long as it can be received and displayed outside.

With the above-described display unit 150, the tester can immediately check the vertical load information and the shear load information during the test.

As described above, the skin friction testing apparatus 100 according to an embodiment of the present invention including the jig 110, the horizontal part 120, the vertical part 130, the calculating part 140, and the display part 150, , A friction test by the tester, that is, an active friction test, can be carried out. Thereby, tactile friction information can be easily obtained, and extensive research on the surface characteristics of the specimen t can be performed by utilizing the obtained tactile friction information.

Hereinafter, a skin friction test method using a skin friction test apparatus according to an embodiment of the present invention will be described in detail.

First, the specimen t is mounted on the jig 110. Here, when the side surface of the specimen t is brought into contact with the protrusion 112, the specimen t can be supported more stably. Thereafter, the tester presses the upper surface of the specimen t with a finger.

By the above-described pressing process, the vertical load is sensed by the first load cell 122 to generate the vertical load information, and the front load (horizontal load) is detected by the second load cell 132 to generate the front load .

Then, the generated vertical load information and shear load information are transmitted to the operation unit 140. The calculation unit 140 generates tactile friction information, which is information on the tactile sensation of the test piece t, based on the received vertical load information and shear load information.

The tactile friction information obtained by the calculator 140 may be a coefficient of friction, which may vary according to the vertical load. That is, according to the above-described process, the tester can change the value of the resultant value, that is, the coefficient of friction by applying the desired vertical load.

According to this, the tester can actively perform the friction test, whereby the tester can obtain desired result data.

The scope of the present invention is not limited to the above-described embodiments, but may be embodied in various forms of embodiments within the scope of the appended claims. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the appended claims.

100: Skin friction test apparatus according to one embodiment of the present invention
110: jig 111: base portion
112: protruding portion 120: horizontal portion
121: first main body 122: first load cell
130: vertical part 131: second body
132: second load cell 140:
150:
g: Installation home t: Psalm

Claims (6)

A jig where the specimen is seated;
A horizontal part installed with the jig and generating vertical load information by sensing a vertical load applied to the specimen when the specimen is pressed by a tester;
A vertical part provided with the horizontal part and generating shear load information by sensing a shear load applied to the specimen when the specimen is pressed by the tester; And
And an arithmetic unit for outputting tactile friction information, which is information on the tactile sensation of the tester with respect to the specimen, based on the vertical load information and the shear load information. The method according to claim 1,
The jig
A base portion provided on the horizontal portion; And
And a protrusion protruding from the base to support a side surface of the specimen. 3. The method of claim 2,
The base unit includes:
And a skin friction test device detachably attached to the horizontal part. The method of claim 3,
The horizontal portion
A first body disposed horizontally with respect to the ground and having the base portion; And
And a first load cell installed inside the first body and sensing a vertical load applied to the specimen when the specimen is pressed by the tester to generate vertical load information. 5. The method of claim 4,
Wherein the vertical portion comprises:
A second body disposed perpendicular to the first body and having the first body; And a second load cell installed in the second main body and configured to generate shear load information by sensing a shear load applied to the specimen when the specimen is pressed by the tester. 6. The method of claim 5,
And a display unit for receiving the vertical load information and the front end load information and displaying the received information.

KR1020150077395A 2015-06-01 2015-06-01 Apparatus for testing skin friction KR20160141922A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150077395A KR20160141922A (en) 2015-06-01 2015-06-01 Apparatus for testing skin friction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150077395A KR20160141922A (en) 2015-06-01 2015-06-01 Apparatus for testing skin friction

Publications (1)

Publication Number Publication Date
KR20160141922A true KR20160141922A (en) 2016-12-12

Family

ID=57573989

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150077395A KR20160141922A (en) 2015-06-01 2015-06-01 Apparatus for testing skin friction

Country Status (1)

Country Link
KR (1) KR20160141922A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107870051A (en) * 2017-11-23 2018-04-03 蚌埠市勇创机械电子有限公司 A kind of heat seeking pressure sensor
CN110441228A (en) * 2019-08-22 2019-11-12 中国电建集团华东勘测设计研究院有限公司 Consider the pipeline and clay axial rub experimental rig and method of clay temperature effect

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107870051A (en) * 2017-11-23 2018-04-03 蚌埠市勇创机械电子有限公司 A kind of heat seeking pressure sensor
CN110441228A (en) * 2019-08-22 2019-11-12 中国电建集团华东勘测设计研究院有限公司 Consider the pipeline and clay axial rub experimental rig and method of clay temperature effect

Similar Documents

Publication Publication Date Title
US10635255B2 (en) Electronic device response to force-sensitive interface
EP1811363A3 (en) Contents navigation method and contents navigation apparatus thereof
CN209486630U (en) Stylus
US11678837B2 (en) Hardness meter and hardness measuring method for estimating target object having hardness estimation portion that estimates hardness of measurement object based
WO2010146580A1 (en) Finger-operated input device
CN102341773A (en) Coordinate input display apparatus
JP4682357B2 (en) Interface device with haptic touch panel
KR100868029B1 (en) Device for measuring texture and method thereof
JP5664240B2 (en) Information input system, information input method, information input program
US20120319937A1 (en) Pressure detecting user input device
JP6138092B2 (en) Tactile evaluation measuring device
KR20160141922A (en) Apparatus for testing skin friction
WO2015136835A1 (en) Electronic device
US20170112393A1 (en) Measurement apparatus and measurement method
EP2538306A9 (en) Pressure detecting user input device
CN107229407A (en) A kind of information processing method and electronic equipment
JP2006275978A (en) Sensor element, sensor device, device for controlling movement of object, and device for discriminating object
KR101347180B1 (en) Touch panel based on pressing force
KR20160141921A (en) Method of testing skin friction using apparatus for testing skin friction
CN104246670A (en) Image control apparatus, image processing system, and computer program product
TW201209692A (en) Haptic presentation device
JP2011232165A (en) Movement detection sensor and calibration method thereof
US20210216142A1 (en) Measurement apparatus and control method of measurement apparatus
JP2009198475A (en) Three dimensional tactile sensor and three dimensional tactile sensing method utilizing elastomer property
KR20090091442A (en) Apparatus for generating input signal and input system and method using the same

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application