Measuring apparatus for measuring height of foreign substance in pipe

1 . A measuring device for measuring a height of foreign substance in a pipe comprising:

an ultrasonic transmitting unit disposed in a first region of an outer surface of the pipe through which the fluid passes inside thereof, and including an ultrasonic generator generating ultrasounds, a first transmission medium unit disposed between the ultrasonic generator and the first region, a second transmission medium unit disposed between the first transmission medium unit and the first region and contacting the first region, and a first ultrasound type conversion unit formed in the second transmission medium unit for converting the type of ultrasound received from the first transmission medium unit;

an ultrasonic receiving unit disposed in a second region of the outer surface of the pipe, and including an ultrasonic receiver, a first reception medium unit disposed between the ultrasonic receiver and the second region, a second reception medium unit disposed between the first reception medium unit and the second region and contacting the second region, and a second ultrasound type conversion unit formed in the second reception medium unit for converting the type of an ultrasound received from the second region; and

a signal measuring unit configured to measure an ultrasonic signal output from the ultrasonic receiver or a signal corresponding thereto,

wherein the ultrasonic generator generates a first ultrasound of a transverse wave type,

wherein the first ultrasound mode conversion unit is configured to convert the first ultrasound of the transverse wave type into a second ultrasound of a longitudinal wave type,

wherein the second ultrasound of a longitudinal wave type propagates through the fluid inside the pipe and is received by the ultrasonic receiving unit,

wherein the second ultrasound type conversion unit is configured to convert the second ultrasound of the longitudinal type into a third ultrasound of a transverse wave type,

wherein the signal measuring unit is configured to analyze variations in intensity, attenuation, and signal characteristics of the third ultrasound of the transverse wave type converted by the second ultrasound type conversion unit, and to calculate a height of the foreign substance present inside the pipe based on the analyzed variations in the signal characteristics.

2 . The measuring device for measuring a height of foreign substance in a pipe of claim 1 , wherein the pipe is made of metal, and the second transmission medium part and the second reception medium part are made of metal.

3 . The measuring device for measuring a height of foreign substance in a pipe of claim 1 ,

wherein the first transmission medium unit and the first reception medium unit is formed of plastic,

wherein the second transmission medium unit and the second reception medium unit is formed of metal.

4 . The measuring device for measuring a height of foreign substance in a pipe of claim 3 , wherein the pipe is made of metal, and the second transmission medium part and the second reception medium are made of metal.

5 . The measuring device for measuring a height of foreign substance in a pipe of claim 1 ,

wherein the ultrasound transmitting unit has an assembly structure, and the second transmission medium unit in which the 1-1 ultrasound type conversion unit is formed is detachably attached to the first transmission medium unit,

wherein the ultrasound receiving unit has an assembly type structure, and the second receiving medium unit in which the 1-2 ultrasound type conversion unit is formed is configured to be detachable from the first receiving medium unit.

6 . The measuring device for measuring a height of foreign substance in a pipe of claim 1 ,

wherein the 1-1 ultrasound mode conversion unit is configured to convert a ultrasound of a transverse wave type into an ultrasound of a longitudinal wave type,

wherein the 1-2 ultrasound type conversion unit is configured to convert ultrasound of a longitudinal type into an ultrasound of a transverse wave type.

7 . The measuring device for measuring a height of foreign substance in a pipe of claim 1 , wherein at least one of the 1-1 ultrasonic mode conversion unit and the 1-2 ultrasonic mode conversion unit may include a meta-structure having a unit pattern structure.

8 . The measuring device for measuring a height of foreign substance in a pipe of claim 7 , wherein the unit pattern structure includes a through-hole region formed in the second transmission medium unit or the second reception medium unit.

9 . The measuring device for measuring a height of foreign substance in a pipe of claim 1 , wherein the ultrasonic generator is configured to generate transverse wave type ultrasounds.

10 . The measuring device for measuring a height of foreign substance in a pipe of claim 1 , further comprising:

a 2-1 ultrasound type conversion unit formed in the first transmission medium unit for converting an ultrasound of a longitudinal wave type into an ultrasound of a transverse wave type; and

a 2-2 ultrasound type conversion unit formed in the first receiving medium unit for converting transverse wave type ultrasound into an ultrasound of a longitudinal wave type,

wherein the ultrasonic generator is configured to generate an ultrasound of a longitudinal wave type.

11 . The measuring device for measuring a height of foreign substance in a pipe of claim 10 , wherein at least one of the 2-1 ultrasound type conversion unit and the 2-2 ultrasound type conversion unit includes a meta-structure having a unit pattern structure.

12 . The measuring device for measuring a height of foreign substance in a pipe of claim 11 , wherein the unit pattern structure includes a through-hole region formed in the first transmission medium unit or the first reception medium unit.

13 . The measuring device for measuring a height of foreign substance in a pipe of claim 1 , wherein the ultrasonic generator is disposed to form an acute angle with respect to the second transmission medium unit, and the ultrasound receiver is disposed to form an acute angle with respect to the second reception medium unit.

14 . The measuring device for measuring a height of foreign substance in a pipe of claim 1 , wherein a first inclined surface may be formed in the first transmission medium unit, and the ultrasonic generator is disposed on the first inclined surface.

15 . The measuring device for measuring a height of foreign substance in a pipe of claim 1 , wherein a second inclined surface is formed in the first reception medium unit, and the ultrasound receiver is disposed on the second inclined surface.

16 . The measuring device for measuring a height of foreign substance in a pipe of claim 1 , further comprising:

a 2-1 ultrasound type conversion unit formed in the first transmission medium unit for converting an ultrasound of a longitudinal wave type into an ultrasound of a transverse wave type; and

a 2-2 ultrasound type conversion unit formed in the first receiving medium unit for converting transverse wave type ultrasound into an ultrasound of a longitudinal wave type.

17 . The measuring device for measuring a height of foreign substance in a pipe of claim 16 , wherein at least one of the 2-1 ultrasound type conversion unit and the 2-2 ultrasound type conversion unit includes a meta-structure having a unit pattern structure.

18 . The measuring device for measuring a height of foreign substance in a pipe of claim 17 , wherein the unit pattern structure includes a through-hole region formed in the first transmission medium unit or the first reception medium unit.

19 . The measuring device for measuring a height of foreign substance in a pipe of claim 1 , wherein the ultrasonic generator is configured to generate an ultrasound of a longitudinal wave type.