KR102074400B1 - Nondestructive quality measurement equipment using percussion sound - Google Patents

Abstract

The present invention relates to a non-destructive quality measurement apparatus using a hitting sound, a hitting unit hitting a subject, a support unit to which the hitting unit is rotatably coupled, a magnet unit coupled to one side of the hitting unit, and the magnetic force on the magnet unit And an electromagnet portion for rotating the striking unit by acting on the striking unit, the striking unit may strike the subject by the repulsive force of the magnet portion and the electromagnet portion.

Description

Non-destructive quality measuring device using blow sound {NONDESTRUCTIVE QUALITY MEASUREMENT EQUIPMENT USING PERCUSSION SOUND}

The present invention relates to a non-destructive quality measurement device using the impact sound.

Higher value-added agricultural products should entail the screening of harvested agricultural products by quality class. In the past, the quality of agricultural products during the post-harvest processing process has been mostly selected only by weight or color. However, these sizes or colors often do not properly represent the quality of agricultural products, and the accuracy of grading is subjective.

For objective and accurate grading, research is being conducted on a system for measuring the internal quality of agricultural products by non-destructive. The non-destructive quality measuring device measures the amount of light per wavelength band of the light transmitted through the near-infrared rays mainly by using the principle that components such as sugar, acidity, etc. inside the agricultural product absorb light of a specific wavelength, and thus, sugar, acidity, etc. The quality is measured. A prior art related to a spectroscopic apparatus for measuring the sugar content of fruit is disclosed in Korean Patent Laid-Open No. 10-2010-0006143. In addition, another non-destructive quality measuring device is a method of measuring the characteristics of the fruit by measuring the color of the fruit surface using an RGB camera.

Conventional near-infrared spectroscopy or RGB camera technology has a problem that measurement results such as sugar, acidity, and color of the whole are large, and the measurement results are inaccurate because light is not blocked from the outside. there is a problem.

The present invention is to solve the above problems, an object of the present invention to provide a non-destructive quality measuring device using the impact sound for measuring the accurate quality characteristics of the subject using the impact unit and the recording unit.

The technical problem to be achieved by the present invention is not limited to the technical problem mentioned above, and other technical problems not mentioned above may be clearly understood by those skilled in the art from the following description. will be.

In order to achieve the above object, the present invention provides a non-destructive quality measurement apparatus using a blow sound according to the present invention is a hitting unit hitting the subject, the support unit is rotatably coupled to the hitting unit, is coupled to one side of the hitting unit And a magnet unit and an electromagnet unit for rotating the striking unit by applying a magnetic force to the magnet unit, wherein the striking unit may strike the subject under repulsion of the magnet unit and the electromagnet unit.

The striking unit may rotate about the support part by the attraction of the magnet part and the electromagnet part after striking the subject, so that the magnet part may gradually contact the electromagnet part.

The striking unit may include a main body coupled to the magnet unit on one side, and a striking unit coupled to the other side of the main body and striking the subject.

The striking portion may be formed of wood, and may include a rod portion coupled to the other side of the main body portion, and a head portion formed on one side of the rod portion and in contact with a subject.

The subject may be disposed such that the equator portion of the subject faces the head portion such that the head portion strikes the equator portion of the subject.

The support portion is coupled to the striking unit includes a rotating shaft for rotating the striking unit, the support portion includes an inclination of the upper surface is inclined at a predetermined angle with respect to the XY plane, coupled to the inclined upper surface of the support The striking unit may be disposed at a position lower than the other side with the predetermined angle inclination with respect to the XY plane to reciprocate around the rotating shaft part.

When the magnet unit coupled to one side of the hitting unit is in contact with the electromagnet unit in a first position, and the hitting unit is in contact with the subject under a second position, the hitting unit is the Since the weight of one side is heavier than the weight of the other side with respect to the rotating shaft, the striking unit rotates by the repulsive force of the magnet part and the electromagnet part in the first position to hit the subject and then the striking unit and the subject It can be rotated from the second position to the first position by the recoil and the weight of one side of the hitting unit.

The electromagnet portion includes a solenoid and a power supply for supplying electricity to the solenoid, and may exert a magnetic force on the magnet portion by a magnetic force generated by the solenoid.

The electromagnet portion may further include a housing accommodating the solenoid and an elastic body positioned on a surface of the housing in contact with the magnet portion.

The non-destructive quality measuring apparatus using the impact sound according to the present invention further comprises an electromagnet support portion one side is coupled to the inclined upper surface of the support portion and the other side is coupled to the electromagnet portion, the electromagnet support portion inclined the support portion The electromagnet portion may be combined with the photo upper surface to make contact with the magnet portion at a corresponding height in the Z-axis direction.

The recording unit may further include a recording unit for recording a hitting sound generated when the hitting unit hits the subject, wherein the recording unit includes a microphone unit for receiving the hitting sound and a recording unit for recording the hitting sound received by the microphone unit. can do.

Non-destructive quality measurement apparatus using the impact sound according to the present invention is a control unit for controlling the striking unit, the electromagnet unit, and the recording unit, receiving and analyzing the signal transmitted from the striking unit and the recording unit, and digitizing; It includes a touch screen operable by a touch, and further comprising a display unit for receiving and visualizing data from the control unit, the display unit may visualize the frequency measured from the recording unit to at least one of a number and a graph.

The non-destructive quality measuring apparatus using the hitting sound according to the present invention further includes a subject support part on which the subject is seated, and the subject support part is seated on which the subject is seated and the lower shape is changed according to the weight of the subject. A part and a seating support part for supporting the seating part may be included.

The seating portion includes a cylindrical portion having a cylindrical shape that increases in diameter toward the top, and integrally formed with the side portion, extending in a hemispherical shape from the lower end of the inner circumferential surface of the side portion to an upper side and including a circular hole in the center. The elastic part may be in contact with the subject to be deformed downward according to the size or weight of the subject.

The seating portion is formed of a resilient silicone material, integrally formed with the side portion, the edge portion extending from the outer peripheral surface of the side portion corresponding to the coupling position of the elastic portion and the side portion to form a circular border, and It is formed integrally with the side portion, and further includes a cylindrical seating lower portion extending downward from the lower end of the side portion, the seating lower portion is inserted and coupled to the upper side of the seating support, the edge portion is on the top of the seating support Can be seated.

The non-destructive quality measuring apparatus using the striking sound according to the present invention further includes a microphone portion for receiving the striking sound generated when the striking unit strikes the subject, the microphone portion may be located in contact with the inner peripheral surface of the side portion.

The seating support part may include a ring-shaped support part coupled to the seating part and including a plurality of holes, and a plurality of pillar parts supporting the support part.

The non-destructive quality measuring apparatus using the hitting sound according to the present invention may further include a load cell which is positioned under the subject support part to measure the weight of the subject.

The non-destructive quality measuring apparatus using the impact sound according to the present invention further includes a body portion and the cover unit for receiving the impact unit, the support portion, the magnet portion, the electromagnet portion, and the subject to block external noise, The cover portion, the first cover portion is hinged to the body portion, and the first cover portion is coupled to the first cover portion to shield the striking unit, the support portion, the magnet portion, the electromagnet portion, and the subject, The second cover portion is hinged to the other side and the body portion to be opened and closed in a different direction from the first cover portion, the first cover portion is bent in the form of a plate bent in the U-shape one side hinged to the body portion And a handle for opening and closing the first cover part at the bent other side, and the second cover part may be formed in a rectangular parallelepiped shape in which two surfaces are open.

The present invention, without destroying the subject or extracting juice, etc. without using the repulsive force of the magnet portion and the electromagnet portion of the hitting the hitting the subject, recording and analyzing the sound of the impact generated at this time to the wilting (freshness) of the subject You can judge. That is, it is possible to quantify the wilting (freshness) of the subject by recording the hitting sound of the subject generated by hitting the subject and analyzing the same to calculate the frequency.

Compared to forming the striking part made of wood and forming the metal material, the striking unit has the effect of reducing the energy required to rotate the striking unit, and also reduces the noise generated when the subject strikes.

By changing the direction of current flow through the electromagnet unit, the repulsive force or attraction force is applied to the electromagnet unit and the magnet unit to reciprocate the striking unit so that no noise other than the striking sound is generated and the striking unit hits the subject and the original position You can come back.

By adjusting the current intensity flowing through the solenoid of the electromagnet part, the intensity of the magnetic force between the electromagnet part and the magnet part can be adjusted to remove noise other than the blow sound generated in the process of hitting the subject with the hitting part and to measure accurate blow sound data. Can be.

The striking unit is installed at an inclined angle with respect to the XY plane, and the weight of the lower side is disposed on the basis of the rotation axis so that the striking unit hits the subject. Location).

In order to minimize the occurrence of noise other than the impact sound in order to increase the accuracy of the impact sound measurement, the impact unit is reciprocated at a predetermined angle with respect to the XY plane, one weight of the impact unit is heavier than the other weight, and the surface of the electromagnetic housing The elastic body is installed in the magnet, and by adjusting the attraction of the magnet part and the electromagnet part, the noise does not occur when the magnet part and the electromagnet part are contacted.

The seating part is made of silicon and can be deformed according to the weight or size of the subject, and has a sound insulation effect, and can accurately measure characteristics of the subject by blocking external noise through the cover part.

The microphone is installed on the inner circumferential surface of the side part to be in contact with the surface of the subject to effectively receive the impact sound generated inside the subject.

1 is a schematic perspective view of an open cover part of an embodiment of a non-destructive quality measuring apparatus using a blow sound according to the present invention.
Figure 2 is a perspective view of one embodiment of a non-destructive quality measurement device using the impact sound according to the present invention.
3 is an exploded perspective view of an impact unit, a support unit, a magnet unit, and an electromagnet unit of the non-destructive quality measuring apparatus using an impact sound according to the present invention.
Figure 4 is a perspective view showing the rotational movement before and after the impact of the impact unit of the non-destructive quality measuring apparatus using an impact sound according to the present invention.
Figure 5 is an exploded perspective view of the subject support of the non-destructive quality measuring apparatus using an impact sound according to the present invention.
Figure 6 is a cross-sectional view of the subject support portion of an embodiment of the non-destructive quality measurement device using the impact sound according to the present invention.
Figure 7 is a state diagram using the seating portion of the non-destructive quality measurement device using an impact sound according to the present invention.
8 is a cross-sectional view of the subject and the microphone of the non-destructive quality measuring apparatus using an impact sound according to the present invention.
9 is a schematic perspective view of a closed cover part of an embodiment of a non-destructive quality measuring apparatus using blow sound according to the present invention.
10 is a sound wave before and after hitting the subject measured by the non-destructive quality measuring device using the impact sound according to the present invention.

The present invention described below may apply various transformations and may have various embodiments, and specific embodiments will be illustrated in the drawings and described in detail in the detailed description.

However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all transformations, equivalents, and substitutes included in the spirit and scope of the present invention. In the following description of the present invention, if it is determined that the detailed description of the related known technology may obscure the gist of the present invention, the detailed description thereof will be omitted.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this application, the terms "comprise" or "have" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and one or more other features. It is to be understood that the present disclosure does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, components, or a combination thereof.

In addition, terms such as first and second may be used to describe various components separately, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another.

Hereinafter, the non-destructive quality measuring apparatus 1500 using the impact sound according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a schematic perspective view of a non-destructive quality measuring apparatus 1500 using a hitting sound according to the present invention, the cover portion 1300 of an embodiment is opened, Figure 2 is a non-destructive quality measuring apparatus 1500 using a hitting sound according to the present invention 3 is a perspective view of one embodiment, Figure 3 is a non-destructive quality measurement apparatus 1500 using the sound blow according to the present invention of the impact unit 100, the support portion 200, the magnet portion 300, and the electromagnet portion 400 of one embodiment 4 is an exploded perspective view, and FIG. 4 is a perspective view illustrating a rotational movement before and after the striking of the striking unit 100 of the non-destructive quality measuring apparatus 1500 using the striking sound according to the present invention.

Non-destructive quality measurement apparatus 1500 using the blow sound according to an example of the present invention is a blow unit 100, support 200, magnet 300, electromagnet 400, recording unit 600, the control unit 700 The display unit 800 may include a display unit 900, a load cell 1100, a cover unit 1300, and the like.

The non-destructive quality measuring apparatus 1500 using the hitting sound is coupled to one side of the hitting unit 100 hitting the subject 10, the support unit 200 to which the hitting unit 100 is rotatably coupled, and the hitting unit 100. The magnet unit 300 and the electromagnet unit 400 for rotating the striking unit 100 by applying a magnetic force to the magnet unit 300, the striking unit 100 is a magnet unit 300 and the electromagnet unit ( The object 10 may be hit by the repulsive force of the 400, and the hitting unit 100 may hit the object 10 and then support the support 200 by the attraction force of the magnet part 300 and the electromagnet part 400. By rotating around), the magnet part 300 may be in contact with the electromagnet part 400 gradually. The striking unit 100 may include a main body 110 to which the magnet part 300 is coupled to one side, and a striking part 120 coupled to the other side of the main body 110 and striking the subject 10. The hitting part 120 may be formed of wood, the head part 121 coupled to the other side of the main body part 110, and the head part formed on one side of the bar part 121 and in contact with the subject 10. The unit 122 may be included. The object 10 may be disposed such that the equator 12 portion of the object 10 faces the head portion 122 such that the head portion 122 may strike the equator 12 portion of the object 10. . The support part 200 includes a rotating shaft part 210 coupled to the hitting unit 100 to rotate the hitting unit 100, and the support part 200 has an upper surface 220 inclined at a predetermined angle with respect to the XY plane. The striking unit 100 including an inclination and coupled to the inclined upper surface 220 of the support part 200 is disposed at a position lower than the other side with a predetermined angle inclination with respect to the XY plane to center the rotation shaft part 210. Can reciprocate. The first position where the magnet part 300 coupled to one side of the striking unit 100 is in contact with the electromagnet unit 400, and the position where the striking unit 100 is in contact with the subject 10 are set. 2, the impact unit 100 has a weight greater than that of the other side based on the rotation shaft 210, so that the impact unit 100 has the magnet part 300 and the electromagnet 400 at the first position. After rotating by the repulsive force of the hitting the subject 10 to be rotated from the second position to the first position by the reaction between the hitting unit 100 and the subject 10 and the weight of one side of the hitting unit 100 Can be.

The striking unit 100 serves to strike the subject 10 by rotating about the rotating shaft unit 210 to be described later, and may include a main body 110 and a striking unit 120. As can be seen in the example of Figure 2 or 3, the body portion 110 is rotated in combination with the rotating shaft portion 210, the magnet portion 300 to be described later is coupled to one side and the rod portion (to be described later) 121) may be combined. The striking unit 120 is coupled to the other side of the main body 110 to serve to hit the subject 10, is formed of a lighter weight than the main body 110, the rod portion 121 and the head The unit 122 may be included. The rod portion 121 may be formed in a rod shape to be coupled to the other side of the main body portion 110. The head part 122 is formed to protrude on one side of the rod part 121 and may directly contact the object 10 to strike the object 10. As can be seen in the example of Figure 3, for example, the rod portion 121 may be inserted into the groove of the body portion 110, the head portion 122 is larger in diameter than the diameter of the rod portion 121 It may be formed in the form of a convex ellipse.

For example, as can be seen in the example of FIG. 4, the subject 10 is disposed such that the equator 12 portion of the subject 10 faces the head portion 122 such that the head portion 122 is the subject ( Can hit the equator 12 portion of 10). As can be seen in the example of FIG. 4, as an example, the equator 12 of the subject 10 includes a plane that vertically bisects an imaginary line connecting the stem 11 and the calyx 13 of the subject 10. It may refer to a line that meets the envelope of the subject 10. It is suitable for measuring the wilting (freshness) of the entire subject 10 by hitting the equator 12 portion rather than hitting the hitting portion 120 to the other portion of the subject 10.

The support unit 200 is a striking unit 100 is rotatably coupled to the upper surface 220 of the support unit 200, the lower end of the support unit 200 is coupled to the body portion 1200 to be described later, the impact unit ( 100 may serve to support the rotational movement around the support 200, and may include a rotation shaft 210. The rotary shaft 210 may be coupled to the support 200 and the main body 110 to rotatably couple the striking unit 100 coupled to the support 200. As can be seen in the example of FIG. 2, for example, the support 200 may be formed by inclining the upper surface 220 by about 30 ° with respect to the XY plane. As can be seen in the example of Figure 3, for example, the striking unit 100 is coupled to the upper surface 220 of the inclined support 200, the striking unit 100 is inclined about 30 degrees with respect to the XY plane It can be rotated about the rotation axis unit 210. For example, when the striking unit 100 is coupled to the support 200, the striking unit 120 may be disposed at a position higher than the body portion 110 in the Z-axis direction and rotated.

The electromagnet unit 400 includes a solenoid and a power source 410 for supplying electricity to the solenoid, exerts a magnetic force on the magnet unit 300 by the magnetic force generated by the solenoid, and houses the solenoid 420. And an elastic body 430 positioned on a surface of the housing 420 in contact with the magnet part 300. One side is further coupled to the inclined upper surface 220 of the support portion 200 and the other side further includes an electromagnet support portion 500 coupled to the electromagnet portion 400, the electromagnet support portion 500 is a support portion 200 in the form of a flat plate It may be coupled to the inclined top surface 220 of the electromagnet portion 400 may be in contact with the magnet portion 300 at a corresponding height in the Z-axis direction.

The magnet part 300 may be coupled to one side of the striking unit 100 to interact with the electromagnet portion 400 to be described later to serve to rotate the striking unit 100. The electromagnet portion 400 serves to rotate the striking unit 100 by applying a magnetic force to the magnet portion 300, the solenoid (not shown), the power supply 410, the housing 420, the elastic body 430 It may include. For example, the electromagnet unit 400 may include a solenoid, and the solenoid may generate a magnetic force by a current supplied from the power source 410 and exert a magnetic force on the magnet unit 300. The electromagnet unit 400 may generate a attraction force or repulsive force with the magnet unit 300 by adjusting the direction of the current. The housing 420 may serve to receive the solenoid. As can be seen in the example of FIG. 2 or FIG. 3, the elastic body 430 is located on the surface of the housing 420 in contact with the magnet part 300. The magnet part 300 and the electromagnet part 400 It can play a role of absorbing and eliminating noise generated by contact. As can be seen in the example of FIG. 2 or FIG. 3, the electromagnet support part 500 is coupled to the upper surface 220 of one side of the support part 200 and the other side of the electromagnet part 400 in the form of a flat plate. ) May serve to couple to the support 200. The electromagnet support part 500 is coupled to the inclined top surface 220 of the support part 200 such that the electromagnet part 400 comes into contact with the magnet part 300 at a corresponding height in the Z-axis direction and the magnet part 300. Magnetic interaction of the electromagnet portion 400 may serve to efficiently occur.

For example, as can be seen in the example of FIG. 4A, a position where the magnet part 300 coupled to one side of the striking unit 100 is in contact with the electromagnet part 400 is referred to as a first position. As can be seen in the example of FIG. 4B, when the hitting unit 100 is in contact with the subject 10 as a second position, the hitting unit 100 is in the first position. The stone part 400 may exert a repulsive force on the magnet part 300 to cause the hitting unit 100 to rotate to the second position to hit the subject 10. By using the repulsive force of the electromagnet portion 400 and the magnet portion 300 it is possible to minimize the mechanical noise generated when the striking unit 100 hits the subject 10 to push the striking unit 100.

For example, the striking unit 100 has a striking portion 120 is formed of wood and the body portion 110 is formed of a material heavier than wood to the body portion 110 which is located on the lower side relative to the rotating shaft portion (210) Since the weight is heavier than the striking part 120 positioned on the upper side, the striking unit 100 rotates by the repulsive force of the magnet part 300 and the electromagnet part 400 at the first position to hit the subject 10. Recoil between the striking unit 100 and the subject 10 and the weight of one side of the striking unit 100 may be rotated back from the second position to the first position. When the hitting part 120 is formed of a metal material, a larger magnetic force is required for the hitting unit 100 to rotate and the noise during the hitting of the subject 10 and the hitting object is large, so that the hitting part 120 is formed of wood.

In addition, as an example, the electromagnet unit 400 is a striking unit by the attraction of the magnet unit 300 and the electromagnet unit 400 coupled to the main body unit 110 after the striking unit 120 hits the subject 10 The magnet part 300 may be gradually brought into contact with the electromagnet part 400 by rotating the 100 around the rotation shaft part 210. That is, in order to minimize noise other than the impact sound of the subject 10 due to the impact of the hitting part 120, the magnet part 300 is adjusted by adjusting the size of the attraction force with the magnet part 300 to adjust the magnitude of the attraction force with the magnet part 300. The noise generated when the electromagnet portion 400 is in contact may be minimized.

8 is a cross-sectional view of the object 10 and the microphone 610 of the non-destructive quality measuring apparatus 1500 using an impact sound according to an embodiment of the present invention.

The non-destructive quality measuring apparatus 1500 using the impact sound further includes a recording unit 600 for recording the impact sound generated when the impact unit 100 hits the subject 10, and the recording unit 600 includes the impact sound. It may include a microphone unit 610 for receiving a, and a recording unit (not shown) for recording the blow sound received by the microphone unit 610, the microphone unit 610 is in contact with the inner peripheral surface of the side portion 911 position Can be. In addition, the control unit 700 for controlling the striking unit 100 and the recording unit 600, receiving the signals transmitted from the striking unit 100 and the recording unit 600, and analyzes and digitizes them, and is operable by a touch. It includes a touch screen, and further comprising a display unit 800 for receiving and visualizing data from the control unit 700, the display unit 800 of the numerical values and graphs of the frequency (Hz) measured from the recording unit 600 Visualize at least one.

The recording unit 600 serves to record a sound generated when the striking unit 120 of the striking unit 100 strikes the subject 10, and may include a microphone unit 610 and a recording unit. . The microphone 610 may serve to receive a hitting sound generated when the head 122 strikes the subject 10. For example, the microphone 610 may be positioned opposite to the head 122 based on the object 10 to receive a sound generated in the object 10 from the impact of the hitting part 120. The recording unit may record the hitting sound received by the microphone unit 610 and transmit data to the controller 700 to be described later. As can be seen in the example of FIG. 8, as an example, the microphone 610 is positioned to be in contact with the inner circumferential surface of the side portion 911 of the seating portion 910, which will be described later, and the subject 10 is mounted on the seating portion 910. The surface of the subject 10 may be seated to be in contact with the microphone 610. When the microphone 610 is in contact with the surface of the object 10, the interference of other external noises may be blocked to effectively receive the impact sound generated inside the object 10. As can be seen in the example of FIG. 5 or FIG. 8, for example, the supporting part 921 to be described later may include a hole 923 through which a line 611 connecting the microphone part 610 and the recording part passes. .

The control unit 700 controls the electromagnet unit 400 so that the electromagnet unit 400 and the magnet unit 300 generate repulsive force or attraction force, so that the hitting unit 100 hits the subject 10 or after the first hit. Can be controlled to return to position. In addition, the controller 700 controls the recording unit 600 to record the impact sound, receives a signal transmitted from the recording unit 600, analyzes the impact sound, and digitizes the frequency of the subject 10 to wither (freshness) and the like. You can judge.

As can be seen in the example of FIG. 1, the display unit 800 may include a touch screen operable by a touch and may receive and visualize data from the controller 700. For example, the display unit 800 may visualize the recorded frequency using at least one of a numerical value and a graph by using the data received from the control unit 700 to visualize the seam (freshness) of the subject 10 as a numerical value or a graph. Can be.

5 is an exploded perspective view of a non-destructive quality measuring apparatus 1500 using a hitting sound according to the present invention, Figure 6 is a non-destructive quality measuring apparatus 1500 using a hitting sound according to the present invention An example is a cross-sectional view of the subject support 900, Figure 7 is a state of use of the seating portion 910 of the embodiment of the non-destructive quality measurement apparatus 1500 using the sound of impact according to the present invention, Figure 9 is a sound of impact according to the present invention The non-destructive quality measuring apparatus 1500 of the present invention is a schematic perspective view in which the cover 1300 of the exemplary embodiment is closed, and FIG. 10 is a sound wave of the apple measured by the non-destructive quality measuring apparatus using the striking sound according to the present invention.

The non-destructive quality measuring apparatus 1500 using the blow sound further includes a subject support part 900 on which the subject 10 is seated, and the subject support part 900 includes the subject 10 seated and the subject 10 It includes a seating portion 910, and a seating support portion 920 for supporting the seating portion 910, the lower shape is changed in accordance with the weight of the seat, the seating portion 910, the cylindrical side that is larger in diameter toward the top And an elastic part which is formed integrally with the side part, extends in a hemispherical shape from the lower end of the inner circumferential surface of the side part and includes a circular hole 914 in the center, and the elastic part is in contact with the object 10 to be inspected 10 The shape may change downward depending on the size and weight of the). In addition, the seating portion 910 is formed of an elastic silicone material, formed integrally with the side portion, extending from the outer peripheral surface of the side portion corresponding to the coupling position of the elastic portion and the side portion to form a circular border, And it is formed integrally with the side portion, and further includes a cylindrical seating lower portion extending downward from the lower end of the side portion, the seating lower portion is inserted and coupled to the upper side of the seating support 920, the edge portion of the seating support 920 Can be seated on In addition, the seating support part 920 may be coupled to the seating part 910 and may include a ring-shaped support part including a plurality of holes, and a plurality of pillar parts supporting the support part.

The subject support part 900 is a place where the subject 10 is seated, and may include a seating part 910 and a seating support part 920. As can be seen in the example of FIG. 7, the seating portion 910 may serve to seat the subject 10 by changing its lower shape according to the size or weight of the subject 10, and the side portion 911. , An elastic part 913, an edge part 915, and a seating lower part 916. As can be seen in the examples of FIGS. 5 to 7, the side portion 911 is in contact with the side surface of the subject 10 in a cylindrical form, the diameter of which increases toward the upper portion of the subject 10 and the microphone 610. It can play a role of seating. The elastic part 913 is integrally formed with the side part 911 and extends upward from the inner circumferential surface of the lower side of the side part 911 to form a hemisphere so as to contact the lower part of the subject 10 to seat the subject 10. can do. As can be seen in the example of FIG. 7, the elastic portion 913 includes a circular hole 914 in the center portion thereof and is in contact with the subject 10 to form a hemisphere according to the size or weight of the subject 10. The convex portion to the upper side is deformed to the lower side may serve to accommodate the subject 10 in the seating portion 910 regardless of the size or weight of the subject 10. For example, the seating part 910 may be formed of a silicon material that is elastic and may accommodate the object 10 regardless of the size or weight of the object 10.

As can be seen in the example of FIGS. 5 to 7, the edge portion 915 is integrally formed with the side portion 911, and the side portion 911 corresponding to the coupling position of the elastic portion 913 and the side portion 911. It extends outward from the outer peripheral surface of the side portion 911 to be formed in the shape of a disc, and may serve to be combined with the mounting support 920 to be described later. The seating lower portion 916 is formed integrally with the side portion 911, and is formed in a cylindrical shape extending downward from the lower end of the side portion 911. The seating lower portion 916 is inserted into the seating support portion 920 to be seated with the seating portion 910. It may serve to couple the support 920. As can be seen in the example of Figures 4 to 6, the edge portion 915 is seated on the upper portion of the support portion 921 to be described later and the seating lower portion 916 is inserted into the support portion 921 is coupled to the seating portion ( 910 and the seating support 920 may serve to structurally and stably combine.

The seating support part 920 is positioned below the seating part 910 to support the seating part 910, and may include a support part 921 and a pillar part 925. As can be seen in the example of FIG. 2 or FIG. 5, the support part 921 is formed in a ring shape including a plurality of holes 922, and the seating lower part 916 of the seating part 910 has a ring shape. The base portion 921 may be inserted into and coupled to the inner circumferential surface thereof, and a lower portion of the edge portion 915 may be seated on an upper portion of the base portion 921 having a ring shape. The pillar portion 925 is formed in a plurality of pillar shapes, and may serve to support the support portion 921. For example, the pillar part 925 may be coupled to the support part 921 by screwing through the hole 922 of the support part 921.

On the other hand, it may further include a load cell 1100 positioned below the test object support 900 to measure the weight of the test subject 10. In addition, the non-destructive quality measurement apparatus 1500 using the sound of the hitting the body portion 1200, the hitting unit 100, the support portion 200, the magnet portion 300, the electromagnet portion 400, and the subject 10 The cover unit 1300 further includes a cover unit 1300 to block external noise, and the cover unit 1300 includes a first cover unit 1310 hinged to one side of the body unit 1200, and a first cover unit ( 1310 is coupled to shield the striking unit 100, the support portion 200, the magnet portion 300, the electromagnet portion 400, and the subject 10, opening and closing in a different direction than the first cover portion 1310 The other side includes a second cover portion 1320, which is hinged to the body portion 1200, and the first cover portion 1310 is one side bent in the form of a plate bent in a c-shaped body portion 1200 and the hinge A handle 1330 is coupled to open and close the first cover part 1310 on the bent side, and the second cover part 1320 may be formed in a rectangular parallelepiped shape in which two surfaces are open.

As can be seen in the example of FIG. 6, the load cell 1100 is positioned below the test object support 900 and may serve to measure the weight of the test object 10. For example, the load cell 1100 is positioned below the test object support 900 to measure the weight of the test support 900 and then the weight of the test support 900 and the test object 10 to be measured. The weight of 10 can be measured.

As can be seen in the example of FIG. 1 or FIG. 9, the body portion 1200 constitutes a main body of the non-destructive quality measuring apparatus 1500 using the impact sound, and includes the control unit 700, the display unit 800, and the seating support unit 920. ), And a cover 1300 to be described later may be combined. The cover unit 1300 may include the striking unit 100, the support unit 200, the magnet unit 300, the electromagnet unit 400, the object support unit 900, the recording unit 600, and the object 10. It may accommodate, and may serve to block external noise, and may include a first cover portion 1310 and a second cover portion 1320. As can be seen in the example of Figure 1 or 9, the first cover portion 1310 is a second cover portion which is bent in the form of a plate bent in the c-shape coupled to the body portion 1200 and a hinge to be described later By combining with the 1320, it may serve to block external noise, and may include a handle 1330. The handle 1330 is located at the bent other side of the first cover part 1310 and may serve to open and close the first cover part 1310. The second cover part 1320 has a rectangular parallelepiped shape in which two surfaces are opened, and the other side of the second cover part 1320 different from the hinge coupling direction of the first cover part 1310 is different from the body part 1200. The hinge may be coupled to the first cover part 1310 to block external noise. For example, the second cover 1320 may also include a handle.

According to the present invention, the striking part 120 hits the subject 10 using the repulsive force of the magnet part 300 and the electromagnet part 400 without destroying the subject 10 or extracting juice. By recording and analyzing the impact sound generated, it is possible to determine the wilting (freshness) of the subject 10. That is, the hitting unit 120 records the hitting sound of the subject 10 generated by hitting the subject 10, analyzes the calculated sound, and calculates the frequency to determine the wilting (freshness) of the subject 10 by numerically determining it. can do.

For example, as can be seen in the example of FIG. 10, when the subject 10 is placed on the seating portion 910 and hit by the striking unit 100 to analyze the recorded waveform, the first position to the second position is analyzed. The waveforms of the region (part A), the subject 10 region (part B), and the return region (region C) from the second position to the first position can be seen. This is counted at the resonance frequency to determine the seam (freshness) of the subject 10.

The impact unit 120 has the effect of reducing the energy required to rotate the striking unit 100 than forming the metal material by forming a wood material and also has the effect of reducing the noise generated when hitting the subject 10. By changing the direction of the current flow flowing through the electromagnet 400, the repulsive force or attraction force to the electromagnet 400 and the magnet 300 to reciprocate the blow unit 100, so that the noise unit other than the blow sound does not occur 100 may strike the subject 10 and return to its original position (first position). A process of hitting the subject 10 with the striking part 120 by adjusting the current intensity flowing through the solenoid of the electromagnet part 400 to constantly adjust the strength of the magnetic force between the electromagnet part 400 and the magnet part 300. It is possible to remove noises other than the sound generated from the sound and to measure accurate sound data. The striking unit 100 is installed at an inclined angle with respect to the XY plane, and a lower weight is disposed on the basis of the rotation shaft 210 so that the striking unit hits the subject 10 and then reacts with the subject 10. The overheating force may cause the striking unit 100 to return to its original position (first position). In order to minimize noise other than the impact sound in order to increase the accuracy of the impact sound measurement, the impact unit 100 is reciprocated at a predetermined angle with respect to the XY plane, one side weight of the impact unit 100 is heavier than the other side The elastic part 430 is installed on the surface of the housing 420 of the electromagnet part 400, and the magnet part 300 and the electromagnet part 400 come into contact with each other by adjusting the attraction force of the magnet part 300 and the electromagnet part 400. There is an effect that does not generate noise. The seating portion 910 is made of silicon and can be deformed according to the weight or size of the subject 10, and has a sound insulation effect. It can be measured. The microphone 610 may be installed on the inner circumferential surface of the side part 911 to be in contact with the surface of the object 10 to effectively receive the impact sound generated inside the object 10.

On the other hand, the embodiments disclosed in the drawings are merely presented specific examples to aid understanding, and are not intended to limit the scope of the invention. It is apparent to those skilled in the art that other modifications based on the technical idea of the present invention can be carried out in addition to the embodiments disclosed herein.

10: subject 100: hitting unit
110: main body portion 120: hitting portion
121: rod portion 122: head portion
200: support portion 210: rotary shaft portion
300: magnet 400: electromagnet
410: power 420: housing
430: elastic body 500: electromagnet support
600: recording unit 610: microphone
700: control unit 800: display unit
900: subject support part 910: seating part
911: side portion 913: elastic portion
914: circular hole 915: edge portion
916: seating lower part 920: seating support
921: base portion 925: pillar portion
1100: load cell 1200: body
1300: cover part 1310: first cover part
1320: second cover 1330: handle
1500: nondestructive quality measurement device using blow sound

Claims (19)

A hitting unit hitting a subject;
A support unit to which the striking unit is rotatably coupled;
A magnet unit coupled to one side of the striking unit; And
And an electromagnet portion for rotating the striking unit by applying a magnetic force to the magnet portion.
And a non-destructive quality measurement device, wherein the striking unit strikes the subject by the repulsive force of the magnet part and the electromagnet part.
The method according to claim 1,
The striking unit is a non-destructive quality measurement device using a blow sound that the magnet unit is in contact with the electromagnet portion is rotated about the support portion by the attraction of the magnet portion and the electromagnet portion after hitting the subject.
The method according to claim 1,
The hitting unit,
A main body portion to which the magnet portion is coupled; And
Non-destructive quality measurement device using a sound, including; a hitting portion coupled to the other side of the main body portion hitting the subject.
The method according to claim 3,
The blow portion is formed of wood,
A rod part coupled to the other side of the main body part; And
The non-destructive quality measurement device using a blow sound comprising; a head portion formed on one side of the rod portion and in contact with the subject.
The method according to claim 4,
And the subject is arranged so that the equator portion of the subject is opposed to the head portion so that the head portion strikes the equator portion of the subject.
The method according to claim 1,
The support portion is coupled to the hitting unit includes a rotating shaft for rotating the hitting unit,
The support portion includes a slope in which the upper surface is inclined at an angle with respect to the XY plane,
The destructive unit coupled to the inclined upper surface of the support is non-destructive quality measurement device using the sound hitting the one side is lower than the other side with a predetermined angle with respect to the XY plane reciprocating around the rotation axis.
The method according to claim 6,
When the magnet portion coupled to one side of the striking unit is in contact with the electromagnet portion in a first position, and the position in which the striking unit is in contact with the subject is referred to as a second position,
The hitting unit has a weight greater than that of the other side based on the rotating shaft part, and the hitting unit rotates by the repulsive force of the magnet part and the electromagnet part at the first position, and then hits the subject. Non-destructive quality measurement device using the impact sound is rotated from the second position to the first position by the reaction between the unit and the subject and the weight of one side of the hitting unit.
The method according to claim 1,
The electromagnet portion,
Solenoids; And
A power supply for supplying electricity to the solenoid;
Non-destructive quality measurement device using a blow sound that exerts a magnetic force on the magnet portion by the magnetic force generated by the solenoid.
The method according to claim 8,
The electromagnet portion,
A housing accommodating the solenoid; And
The non-destructive quality measurement apparatus using a blow sound further comprising; an elastic body located on the surface of the housing in contact with the magnet portion.
The method according to claim 1,
One side is further coupled to the inclined upper surface of the support portion and the other side further comprises an electromagnet support portion coupled to the electromagnet portion,
The electromagnet support portion is coupled to the inclined upper surface of the support portion in the form of a flat non-destructive quality measurement device using the impact sound that makes the electromagnet portion in contact with the magnet at a corresponding height in the Z-axis direction.
The method according to claim 1,
It further comprises a recording unit for recording the impact sound generated when the striking unit hits the subject,
The recording unit,
A microphone unit for receiving the hitting sound; And
Non-destructive quality measurement device comprising a; sound recording unit for recording the hit sound received by the microphone unit.
The method according to claim 11,
A control unit which controls the striking unit, the electromagnet unit, and the recording unit, receives a signal transmitted from the striking unit and the recording unit, analyzes and digitizes it; And
And a display unit including a touch screen operable by a touch and receiving and visualizing data from the controller.
The display unit is a non-destructive quality measurement device using a blow sound for visualizing the frequency measured from the recording unit to at least one of a number and a graph.
The method according to claim 1,
Further comprising a subject support portion on which the subject is seated,
The subject support portion,
A seating part on which the subject is seated and whose lower shape is changed according to the weight of the subject; And
Non-destructive quality measurement device using a sound, including; a seating support for supporting the seating.
The method according to claim 13,
The seating portion,
A side portion having a cylindrical shape having a larger diameter toward the top; And
And an elastic part formed integrally with the side part, extending in a hemispherical shape from the lower end of the inner circumferential surface of the side part and including a circular hole in the center thereof.
The elastic portion is a non-destructive quality measurement device using a blow sound that is in contact with the subject to be deformed downward in accordance with the size or weight of the subject.
The method according to claim 14,
The seating portion,
Formed of elastic silicone material,
An edge portion formed integrally with the side portion, the edge portion extending from an outer circumferential surface of the side portion corresponding to the coupling position of the elastic portion and the side portion to form a circular edge; And
It is formed integrally with the side portion, the seating lower portion of the cylindrical form extending downward from the lower end of the side portion;
The seating lower portion is inserted and coupled to the upper side of the seating support,
The edge portion is non-destructive quality measurement device using the blow sound that is seated on the upper portion of the seating support.
The method according to claim 14,
It further comprises a microphone for receiving a blow sound generated when the hitting unit hits the subject,
The microphone unit is a non-destructive quality measurement device using the impact sound is located in contact with the inner peripheral surface of the side portion.
The method according to claim 13,
The seating support,
A ring-shaped support portion coupled to the seating portion and including a plurality of holes; And
Non-destructive quality measurement device using a blow sound comprising a; a plurality of pillars for supporting the support.
The method according to claim 1,
Further comprising a subject support portion on which the subject is seated,
The non-destructive quality measurement device using the sound of the blower which is located under the test object support portion further comprises a load cell for measuring the weight of the test object.
The method according to claim 1,
Body portion; And
And a cover part which receives the striking unit, the support part, the magnet part, the electromagnet part, and the subject to block external noise.
The cover part,
A first cover portion having one side hinged to the body portion; And
It is coupled to the first cover portion to shield the striking unit, the support portion, the magnet portion, the electromagnet portion, and the subject, the other side hinged to the body portion so as to open and close in a different direction from the first cover portion Including a second cover part;
The first cover portion includes a handle for opening one side of the bent in the form of a plate bent in the U-shape hinged to the body portion and opening and closing the first cover portion on the other side bent,
The second cover portion is non-destructive quality measurement device using the impact sound formed in the form of a rectangular parallelepiped two sides.

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