Tapping inspection system and tapping inspection method

1 . A tapping inspection system comprising:

a hand-held hammer for tapping an inspection portion;

a display configured to display a target position to be tapped with the hammer, the target position being superimposed on the inspection portion;

a microphone for collecting sound generated when the inspection portion is tapped with the hammer;

a position detector attached to a hammer head of the hand-held hammer and configured to detect, during tapping inspection, a position at a tip of the hammer head as an actual tapping position in the inspection portion tapped with the hammer; and

a storage configured to store an inspection record created by relating the sound collected by the microphone with the actual tapping position detected by the position detector.

2 . The tapping inspection system according to claim 1 , further comprising:

a strain sensor for measuring a shock load when the inspection portion is tapped with the hammer,

wherein the inspection record is created by further relating the sound collected by the microphone with the shock load measured by the strain sensor.

3 . The tapping inspection system according to claim 2 , further comprising:

electronic circuitry configured to obtain an inspection result of the inspection portion based on the related sound, position and shock load stored as the inspection record in the storage.

4 . The tapping inspection system according to claim 3 ,

wherein the display includes a head mounted display for augmented reality which further displays a drawing delineating a portion of internal structure inside the inspection portion that is not visible to an operator from outside the inspection portion, the drawing being further superimposed on the inspection portion.

5 . A tapping inspection method comprising:

using the tapping inspection system according to claim 4 to inspect an aircraft, the method including:

displaying, on the head mounted display for augmented reality, the target position to be tapped with the hand-held hammer, the target position being superimposed on an inspection portion of the aircraft;

displaying, on the head mounted display for augmented reality, a drawing delineating a portion of internal structure inside the inspection portion that is not visible to an operator from outside the inspection portion, the drawing being further superimposed on the inspection portion;

collecting, with the microphone, sound generated when the inspection portion is tapped with the hand-held hammer;

detecting, with the position detector, an actual tapping position in the inspection portion tapped with the hand-held hammer, during tapping inspection;

measuring, with the strain sensor, a shock load when the inspection portion is tapped with the hand-held hammer;

storing, in the storage, an inspection record created by relating the collected sound with the detected position and the measured shock load; and

obtaining, with the electronic circuitry, an inspection result of the inspection portion based on the inspection record stored in the storage.

6 . A tapping inspection method comprising:

using the tapping inspection system according to claim 3 to inspect an aircraft, the method including:

displaying, on the display, the target position to be tapped with the hand-held hammer, the target position being superimposed on an inspection portion of the aircraft;

collecting, with the microphone, sound generated when the inspection portion is tapped with the hand-held hammer;

detecting, with the position detector, an actual tapping position in the inspection portion tapped with the hand-held hammer, during tapping inspection;

measuring, with the strain sensor, a shock load when the inspection portion is tapped with the hand-held hammer;

storing, in the storage, an inspection record created by relating the collected sound with the detected position and the measured shock load; and

obtaining, with the electronic circuitry, an inspection result of the inspection portion based on the inspection record stored in the storage.

7 . The tapping inspection system according to claim 2 ,

wherein the display includes a head mounted display for augmented reality which further displays a drawing delineating a portion of internal structure inside the inspection portion that is not visible to an operator from outside the inspection portion, the drawing being further superimposed on the inspection portion.

8 . A tapping inspection method comprising:

using the tapping inspection system according to claim 7 to inspect an aircraft, the method including:

displaying, on the head mounted display for augmented reality, the target position to be tapped with the hand-held hammer, the target position being superimposed on an inspection portion of the aircraft;

displaying, on the head mounted display for augmented reality, a drawing delineating a portion of internal structure inside the inspection portion that is not visible to an operator from outside the inspection portion, the drawing being further superimposed on the inspection portion;

collecting, with the microphone, sound generated when the inspection portion is tapped with the hand-held hammer;

detecting, with the position detector, an actual tapping position in the inspection portion tapped with the hand-held hammer, during tapping inspection;

measuring, with the strain sensor, a shock load when the inspection portion is tapped with the hand-held hammer; and

storing, in the storage, an inspection record created by relating the collected sound with the detected position and the measured shock load.

9 . A tapping inspection method comprising:

using the tapping inspection system according to claim 2 to inspect an aircraft, the method including:

displaying, on the display, the target position to be tapped with the hand-held hammer, the target position being superimposed on an inspection portion of the aircraft;

collecting, with the microphone, sound generated when the inspection portion is tapped with the hand-held hammer;

detecting, with the position detector, an actual tapping position in the inspection portion tapped with the hand-held hammer, during tapping inspection;

measuring, with the strain sensor, a shock load when the inspection portion is tapped with the hand-held hammer; and

storing, in the storage, an inspection record created by relating the collected sound with the detected position and the measured shock load.

10 . The tapping inspection system according to claim 1 ,

wherein the display includes a head mounted display for augmented reality which further displays a drawing delineating a portion of internal structure inside the inspection portion that is not visible to an operator from outside the inspection portion, the drawing being further superimposed on the inspection portion.

11 . A tapping inspection method comprising:

using the tapping inspection system according to claim 10 to inspect an aircraft, the method including:

displaying, on the head mounted display for augmented reality, the target position to be tapped with the hand-held hammer, the target position being superimposed on an inspection portion of the aircraft;

displaying, on the head mounted display for augmented reality, a drawing delineating a portion of internal structure inside the inspection portion that is not visible to an operator from outside the inspection portion, the drawing being further superimposed on the inspection portion;

collecting, with the microphone, sound generated when the inspection portion is tapped with the hand-held hammer;

detecting, with the position detector, an actual tapping position in the inspection portion tapped with the hand-held hammer, during tapping inspection; and

storing, in the storage, an inspection record created by relating the collected sound with the detected actual tapping position.

12 . A tapping inspection method comprising:

using the tapping inspection system according to claim 1 to inspect an aircraft, the method including:

displaying, on the display, the target position to be tapped with the hand-held hammer, the target position being superimposed on an inspection portion of the aircraft;

collecting, with the microphone, sound generated when the inspection portion is tapped with the hand-held hammer;

detecting, with the position detector, an actual tapping position in the inspection portion tapped with the hand-held hammer, during tapping inspection; and

storing, in the storage, an inspection record created by relating the collected sound with the detected actual tapping position.

13 . The tapping inspection system according to claim 1 , wherein the position detector is embedded in the hammer head.

14 . The tapping inspection system according to claim 13 , wherein the position detector includes an IMU (inertial measurement unit).

15 . The tapping inspection system according to claim 1 , wherein the microphone is attached to the hand-held hammer.