Detection device, detection system, propagation member, fixture, and storage medium
According to one embodiment, a detection device includes a detector, a first propagation member, a second propagation member, and a fixture. The detector includes a plurality of detection elements configured to transmit and detect an ultrasonic wave. The first propagation member is attached to the detector and is configured to propagate the ultrasonic wave. The second propagation member is configured to propagate the ultrasonic wave and is softer than the first propagation member. The fixture is configured to detachably fix the second propagation member to the first propagation member.
1 . A detection device comprising:
a detector including a plurality of detection elements configured to transmit an ultrasonic wave toward an object and detect a reflected wave;
a first propagation member attached to the detector and configured to propagate the ultrasonic wave;
a second propagation member configured to propagate the ultrasonic wave and being softer than the first propagation member; and
a fixture configured to detachably fix the second propagation member to the first propagation member,
wherein a portion of the second propagation member protrudes beyond the fixture toward a first direction from the first propagation member toward the second propagation member,
the fixture includes a first contact surface configured to contact the object,
the first propagation member includes a second contact surface configured to contact the second propagation member when the second propagation member is fixed by the fixture, and
when the portion of the second propagation member contacts the object, the portion of the second propagation member deforms along a surface shape of the object such that a thickness of the portion in the first direction is reduced, thereby causing the first contact surface to contact a surface of the object in a state in which the first contact surface is substantially parallel to the second contact surface.
2 . The device according to claim 1 , wherein
the second propagation member includes
a first portion configured to be pressed against the fixture, and
a second portion surrounded by the first portion, the second portion protruding from the first portion and being configured to come into contact with the object,
the second portion is the portion of the second propagation member that protrudes beyond the fixture toward the first direction.
3 . The device according to claim 1 , wherein
the detector includes a housing that houses the plurality of detection elements, and
the fixture includes a pressing member having one end fixed to the housing and the other end pressing the second propagation member toward the first propagation member.
4 . The device according to claim 1 , wherein
the second propagation member has an acoustic impedance larger than 1.0×10 5 (Pa·s/m) and smaller than 1.0×10 8 (Pa·s/m).
5 . A detection system comprising:
the detection device according to claim 1 ; and
a processing device configured to determine whether the second propagation member is abnormal based on intensity data indicating an intensity of the reflected wave detected by the plurality of detection elements.
6 . The system according to claim 5 , further comprising:
a replacement device configured to remove the second propagation member from the fixture and supply another second propagation member.
7 . The system according to claim 5 , further comprising:
a release unit configured to release the fixation of the second propagation member by the fixture;
an extrusion unit configured to extrude the second propagation member placed on the fixture; and
a transport unit configured to transport the second propagation member.
8 . A detection system comprising:
the detection device according to claim 1 ; and
a robot including a manipulator,
the detection device being provided at a distal end of the manipulator.
9 . A detection system comprising:
a detection device including
a detector including a plurality of detection elements configured to transmit an ultrasonic wave toward an object and detect a reflected wave,
a first propagation member attached to the detector and configured to propagate the ultrasonic wave,
a second propagation member attached to the first propagation member, the second propagation member being configured to propagate the ultrasonic wave and being softer than the first propagation member,
a fixture configured to detachably fix the second propagation member to the first propagation member; and
a replacement device configured to replace the second propagation member,
wherein a portion of the second propagation member protrudes beyond the fixture toward a first direction from the first propagation member toward the second propagation member,
the fixture includes a first contact surface configured to contact the object,
the first propagation member includes a second contact surface configured to contact the second propagation member when the second propagation member is fixed by the fixture, and
when the portion of the second propagation member contacts the object, the portion of the second propagation member deforms along a surface shape of the object such that a thickness of the portion in the first direction is reduced, thereby causing the first contact surface to contact a surface of the object in a state in which the first contact surface is substantially parallel to the second contact surface.
10 . The system according to claim 9 , further comprising a processing device configured to determine whether the second propagation member is abnormal based on intensity data,
the intensity data indicating an intensity of the reflected waves detected by the plurality of detection elements.
11 . The system according to claim 9 , wherein
the detector includes a housing that houses the plurality of detection elements, and
the fixture includes a pressing member having one end detachably fixed to the housing and the other end pressing the second propagation member toward the first propagation member.
12 . The system according to claim 11 , further comprising:
a release unit configured to release the fixation of the second propagation member by the fixture;
an extrusion unit configured to extrude the second propagation member placed on the fixture; and
a transport unit configured to transport the second propagation member.
13 . A detection device comprising:
a detector including a plurality of detection elements configured to transmit an ultrasonic wave toward an object and detect a reflected wave;
a first propagation member attached to the detector and configured to propagate the ultrasonic wave;
a second propagation member configured to propagate the ultrasonic wave and being softer than the first propagation member, the second propagation member having a hardness measured by an ASKER Durometer Type F that is greater than 40 and less than 60; and
a fixture configured to detachably fix the second propagation member to the first propagation member,
wherein a portion of the second propagation member protrudes beyond the fixture toward a first direction from the first propagation member toward the second propagation member,
the fixture includes a first contact surface configured to contact the object, and
when the portion of the second propagation member contacts the object, the portion of the second propagation member deforms along a surface shape of the object such that a thickness of the portion in the first direction is reduced, thereby causing the first contact surface to contact a surface of the object.
14 . The detection device according to claim 13 , wherein
the first propagation member includes a second contact surface configured to contact the second propagation member when the second propagation member is fixed by the fixture, and
the first contact surface contacts the surface of the object in a state in which the first contact surface is substantially parallel to the second contact surface.
15 . The detection device according to claim 13 , wherein
the second propagation member includes:
a first portion configured to be pressed against the fixture; and
a second portion surrounded by the first portion, the second portion protruding from the first portion and being configured to come into contact with the object.
16 . The detection device according to claim 15 , wherein
when the second portion comes into contact with the object, the second portion is deformed such that the fixture comes into contact with the object via the first contact surface.
17 . The detection device according to claim 13 , wherein
the detector includes a housing that houses the plurality of detection elements, and
the fixture includes a pressing member having one end fixed to the housing and the other end pressing the second propagation member toward the first propagation member.
18 . The detection device according to claim 13 , wherein
the second propagation member has an acoustic impedance larger than 1.0×10 5 (Pa·s/m) and smaller than 1.0×10 8 (Pa·s/m).
19 . A detection system comprising:
a detection device including
a detector including a plurality of detection elements configured to transmit an ultrasonic wave and detect a reflected wave,
a first propagation member attached to the detector and configured to propagate the ultrasonic wave, and
a fixture configured to detachably fix a second propagation member to the first propagation member, the second propagation member being configured to propagate the ultrasonic wave and being softer than the first propagation member;
a processing device configured to determine whether the second propagation member is abnormal based on intensity data indicating an intensity of the reflected wave detected by the plurality of detection elements;
a release unit configured to release the fixation of the second propagation member by the fixture;
an extrusion unit configured to extrude the second propagation member placed on the fixture; and
a transport unit configured to transport the second propagation member.