CN219758160U - Calibrating device for ultrasonic phased array detector - Google Patents
Calibrating device for ultrasonic phased array detector Download PDFInfo
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Abstract
The utility model belongs to the technical field of ultrasonic phased array detection, and provides an ultrasonic phased array detector calibration device, wherein a standard test block and a supporting upright are arranged on a fixed base, a first guide rail is movably connected to the supporting upright along the vertical direction, an adjusting screw is movably connected to the first guide rail along the horizontal direction, a clamping assembly is movably connected to the adjusting screw along the vertical direction, a detection probe is arranged on the clamping assembly and is arranged above the standard test block, the adjusting screw and the clamping assembly are driven by the first guide rail to linearly move along the horizontal direction, so that the detection probe is not easy to deflect and swing in the moving process, the pressure value between the detection probe and the standard test block is adaptively adjusted by an adjusting nut, the pressure between the detection probe and the standard test block is consistent with the pressure between the detection probe and a tested part in the actual detection process, and the calibration precision of the ultrasonic phased array detector is effectively improved.
Description
Technical Field
The utility model belongs to the technical field of ultrasonic phased array detection, and particularly relates to an ultrasonic phased array detector calibration device.
Background
The concept of the phased array originates from the radar antenna electromagnetic wave technology, the ultrasonic phased array is only applied to the medical field initially, but in recent years, along with the rapid development of new technologies such as microelectronics and computers, the ultrasonic phased array is gradually applied to the industrial nondestructive testing field, the ultrasonic phased array can flexibly generate deflection and focusing sound beams through orderly superposition of sound beams emitted by each array element, high-resolution detection of a region of interest can be completed without changing a probe, and the special working modes such as linear scanning, sector scanning and dynamic focusing can carry out high-efficiency detection on parts without moving or less moving the probe, so that compared with the traditional single-chip ultrasonic detection, the sound beams of the ultrasonic phased array are more flexible, faster in detection speed, higher in resolution and more suitable for detecting parts with complex shapes.
The accuracy of the calibration and debugging of the ultrasonic phased array detector is vital to the actual detection result, the defect of the detected part is easily enlarged when the sensitivity is debugged too high, the unnecessary repair of the detected part is caused, the harmful defect of the detected part is easily missed when the sensitivity is debugged too low, the hidden danger of the quality of the detected part is not eliminated, and along with the national SY/T4109-2020 nondestructive test of petroleum and natural gas steel pipelines, GB/T32563-2016 nondestructive test ultrasonic phased array ultrasonic detection method, NB/T47013.15-2021 nondestructive test of pressure-bearing equipment part 15: phased array ultrasonic testing is successively issued, and relatively strict sensitivity calibration requirements (80% +/-5%) and review requirements (less than or equal to 3 dB) are provided.
At present, when the ultrasonic phased array detector is calibrated and debugged, a standard test block is required to be used for calibrating the ultrasonic phased array detector, but in a specific calibration process, a detection probe is required to be manually held to perform linear movement on the standard test block to complete a series of calibration operations, when the detection probe is manually held to move, the detection probe is easy to deflect and swing, the pressure between the detection probe and the standard test block is difficult to keep constant, and the pressure between the detection probe and the standard test block is often different from the pressure between the detection probe and a tested part during actual detection, so that the calibration precision of the ultrasonic phased array detector is affected.
Disclosure of Invention
The utility model aims to provide an ultrasonic phased array detector calibration device, which aims to solve the problems that when an ultrasonic phased array detector is calibrated at present, a detection probe needs to be manually held on a standard test block to perform linear movement to complete a series of calibration operations, the detection probe is easy to deflect and swing due to the fact that the detection probe is manually held on the standard test block to move, the pressure between the detection probe and the standard test block is difficult to keep constant, and the pressure between the detection probe and the standard test block and the pressure between the detection probe and a tested part are always different during actual detection, so that the calibration precision of the ultrasonic phased array detector is affected.
In order to achieve the above purpose, the utility model adopts the scheme that the calibrating device comprises a fixed base, a standard test block, a supporting upright, a first guide rail, an adjusting screw, a balancing weight, a first spring, an adjusting nut, a clamping assembly and a detecting probe, wherein the standard test block and the supporting upright are arranged on the fixed base, the first guide rail is movably connected to the supporting upright along the vertical direction, the adjusting screw is movably connected to the first guide rail along the horizontal direction, the clamping assembly is movably connected to the adjusting screw along the vertical direction, the detecting probe is arranged on the clamping assembly and is arranged above the standard test block, the balancing weight is detachably arranged on the detecting probe, the first spring is sleeved on the adjusting screw and is respectively elastically abutted to one side of the first guide rail facing the clamping assembly, the clamping assembly faces one side of the first guide rail, the adjusting nut is in threaded connection with the adjusting screw and is positioned on one side of the clamping assembly facing away from the first guide rail.
In one embodiment, the calibrating device of the ultrasonic phased array detector further comprises a second spring, wherein the second spring is sleeved on the adjusting screw and respectively elastically abuts against one side, opposite to the first guide rail, of the clamping assembly, and the adjusting nut.
In one embodiment, the clamping assembly comprises a fixing portion, a connecting portion and a movable portion, the fixing portion is movably connected to the adjusting screw in the vertical direction, the connecting portion is fixedly connected to the fixing portion and extends in the horizontal direction, the movable portion is movably connected to the connecting portion in the extending direction of the connecting portion, a first fastening piece is arranged on the movable portion and used for fastening the movable portion when the movable portion moves to a proper position, the detection probe is clamped and fixed between the movable portion and the fixing portion, the first spring is located between the fixing portion and the first guide rail, and the second spring is located between the fixing portion and the adjusting nut.
In one embodiment, the detection probe comprises a connecting wedge block and a probe body, wherein the connecting wedge block is clamped and fixed between the movable part and the fixed part and is arranged above the standard test block, the probe body is arranged on one side of the connecting wedge block, which is opposite to the standard test block, and the balancing weight is detachably arranged on one side of the connecting wedge block, which is opposite to the standard test block.
In one embodiment, the test probe further comprises a pressure sensor fixedly arranged on the connecting wedge block and used for monitoring the pressure value between the connecting wedge block and the standard test block.
In one embodiment, the ultrasonic phased array detector calibration device further comprises a spraying unit, the connecting wedge is provided with a medium through hole communicated with the standard test block, and the spraying unit is communicated with the medium through hole.
In one embodiment, the calibrating device of the ultrasonic phased array detector further comprises a supporting platform, the supporting platform is movably connected to the supporting upright post along the vertical direction, the supporting platform is provided with a second fastening piece, the second fastening piece is used for fastening the supporting platform when the supporting platform moves to a proper position, and the first guide rail is arranged on one side, opposite to the fixed base, of the supporting platform.
In one embodiment, the calibrating device of the ultrasonic phased array detector comprises four supporting columns, and four corners of the periphery of the supporting platform are respectively and dynamically connected to the four supporting columns along the vertical direction.
In one embodiment, the calibration device of the ultrasonic phased array detector further comprises a second guide rail, a fixed stop block and a movable stop block, wherein the second guide rail is arranged on the fixed base, the fixed stop block is fixedly connected to the second guide rail, the movable stop block is movably connected to the second guide rail along the horizontal direction, the movable stop block is provided with a third fastener, the third fastener is used for fastening the movable stop block when the movable stop block moves to a proper position, and the standard test block is clamped and fixed between the movable stop block and the fixed stop block.
In one embodiment, the calibration device of the ultrasonic phased array detector comprises two second guide rails, two fixed check blocks and a movable check block, wherein the two second guide rails are arranged on the fixed base at intervals along the extending direction of the first guide rail, the two fixed check blocks are respectively and fixedly connected with one end part of the two second guide rails, the opposite ends of the movable check block are respectively and movably connected onto the two second guide rails along the horizontal direction, the standard test block is clamped and fixed between the movable check block and the two fixed check blocks, and the extending direction of the first guide rail is perpendicular to the extending direction of each second guide rail.
Compared with the prior art, the calibrating device for the ultrasonic phased array detector has the advantages that the standard test block and the supporting upright are arranged on the fixed base, the first guide rail is movably connected to the supporting upright along the vertical direction, the adjusting screw is movably connected to the first guide rail along the horizontal direction, the clamping assembly is movably connected to the adjusting screw along the vertical direction, the detecting probe is arranged on the clamping assembly and is arranged above the standard test block, the adjusting screw and the clamping assembly can be driven to linearly move along the horizontal direction through the first guide rail, the detecting probe can be further linearly moved along the horizontal direction under constant pressure on the standard test block, the detecting probe is not easy to deflect and swing in the moving process, the first spring is sleeved on the adjusting screw and is respectively elastically abutted to one side of the first guide rail facing to the clamping assembly, the clamping assembly faces one side of the first guide rail, the adjusting nut is in threaded connection with the supporting screw and is positioned on one side of the clamping assembly facing away from the first guide rail, and the numerical value between the detecting probe and the standard test block can be adjusted through the adjusting nut, and the value between the detecting probe and the standard test block can be enabled to be in accordance with the practical pressure, and the calibrating precision of the ultrasonic phased array detector can be improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a front view structure of an ultrasonic phased array detector calibration apparatus according to an embodiment of the present utility model;
FIG. 2 is a schematic top view of the calibration device of the ultrasonic phased array detector of FIG. 1;
FIG. 3 is a schematic side view of the calibration device of the ultrasonic phased array detector of FIG. 1;
FIG. 4 is a schematic structural view of a fixed base limiting fixed standard test block in the calibration device of the ultrasonic phased array detector shown in FIG. 1;
fig. 5 is a schematic structural diagram of a support platform in the calibration device of the ultrasonic phased array detector shown in fig. 1.
100. A fixed base; 200. a standard test block; 300. a support column; 410. a first guide rail; 420. adjusting a screw; 430. a first spring; 440. a second spring; 450. an adjusting nut; 500. a clamping assembly; 510. a fixing part; 520. a connection part; 530. a movable part; 600. a detection probe; 610. a connecting wedge block; 620. a probe body; 630. a pressure sensor; 700. a support platform; 702. a hollowed-out area; 810. a second guide rail; 820. a fixed stop block; 830. a movable stop.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1, fig. 2 and fig. 3 together, an ultrasonic phased array detector calibration apparatus provided by an embodiment of the present utility model will now be described, the ultrasonic phased array detector calibration apparatus includes a fixed base 100, a standard test block 200, a supporting column 300, a first guide rail 410, an adjusting screw 420, a first spring 430, a second spring 440, an adjusting nut 450, a clamping assembly 500 and a detection probe 600, wherein the standard test block 200 and the supporting column 300 are all disposed on the fixed base 100, the first guide rail 410 extends along a horizontal direction and is disposed on the supporting column 300, the adjusting screw 420 is movably connected to the first guide rail 410 along an extending direction of the first guide rail 410, the first guide rail 410 can drive the adjusting screw 420 to reciprocate linearly along a horizontal direction, the clamping assembly 500 is movably connected to the adjusting screw 420 along a vertical direction, the detection probe 600 is clamped and fixed on the clamping assembly 500 and is set above the standard test block 200, the first spring 430 is sleeved on the adjusting screw 420, opposite ends of the first spring 430 are respectively elastically abutted against one side of the clamping assembly 500, and the clamping assembly 500 is opposite to one side of the first guide rail 410, which is opposite to the first guide rail 450 is opposite to the first spring 430, and is opposite to the first spring 450, and is connected to the adjusting nut 450, which is opposite to the first guide rail 450, and is compressed to the adjusting screw 450, and is further rotatably connected to the adjusting screw 500.
Compared with the prior art, the calibrating device for the ultrasonic phased array detector has the advantages that in the calibrating device for the ultrasonic phased array detector, the standard test block 200 and the supporting upright 300 are arranged on the fixed base 100, the first guide rail 410 extends along the horizontal direction and is arranged on the supporting upright 300, the adjusting screw 420 is movably connected to the first guide rail 410 along the horizontal direction, the clamping assembly 500 is movably connected to the adjusting screw 420 along the vertical direction, the detecting probe 600 is arranged on the clamping assembly 500 and is erected above the standard test block 200, the adjusting screw 420 and the clamping assembly 500 can be driven to linearly move along the horizontal direction through the first guide rail 410, the detecting probe 600 is enabled to linearly move along the horizontal direction with constant pressure on the standard test block 200, the detecting probe 600 is not easy to deflect and swing in the moving process, the first spring 430 is sleeved on the adjusting screw 420 and is respectively elastically abutted against one side of the first guide rail 410, one side of the clamping assembly 500, which is opposite to the first guide rail 410, the adjusting nut 450 is in threaded connection with the supporting screw, and is positioned on one side of the clamping assembly 500, opposite to the first guide rail 410, which is opposite to the first guide rail, the detecting probe 600, the pressure is enabled to linearly move along the horizontal direction, the constant pressure along the horizontal direction, the constant pressure is not easy to deflect and swing, and the pressure is different from the standard test block.
Further, in this embodiment, the standard test block 200 has a rectangular block structure with four calibration holes (not shown), and it should be noted that standard test blocks 200 with different sizes and structures can be replaced correspondingly based on different calibration requirements corresponding to different tests, but the top of any standard test block 200 has at least a portion of a smooth surface for overlapping the test probe 600 and extending in the horizontal direction, and the profile of the smooth surface may be a plane or a curved surface.
Further, in this embodiment, the calibration device of the ultrasonic phased array detector further includes a second guide rail 810, a fixed stop 820, and a movable stop 830, where the second guide rail 810 extends along a horizontal direction and is disposed on the fixed base 100, the extending direction of the second guide rail 810 is perpendicular to the extending direction of the first guide rail 410, the fixed stop 820 is fixedly connected to the second guide rail 810, the movable stop 830 is movably connected to the second guide rail 810 along the extending direction of the second guide rail 810, the second guide rail 810 can drive the movable stop 830 to linearly reciprocate along the horizontal direction, and the movable stop 830 is provided with a third fastener (not illustrated in the drawing), and the third fastener is used to lock the fixed stop 830 when the movable stop 830 moves to a proper position, so that the standard test block 200 is clamped and fixed between the fixed stop 820 and the movable stop 830, thereby avoiding the unexpected movement of the standard test block 200 affecting the calibration accuracy during the calibration operation, and the movable stop 830 is movably connected to the second guide rail 810, and can be matched with the fixed stop 820 to limit and fix standard test blocks 200 with different sizes.
Specifically, in the present embodiment, the third fastening member is a fastening screw, and the fastening screw is disposed on the movable stop block 830 and is opposite to the fixed base 100 (or the second guide rail 810), so that the friction between the fastening screw and the fixed base 100 (or the second guide rail 810) can be adjusted by rotating the fastening screw, thereby fastening or unlocking the movable stop block 830.
Further, in other embodiments, the third fastening member may be other common fastening structures, so as to fasten or unlock the movable stop 830; in other embodiments, the third fastening member may be omitted, i.e., the movable stopper 830 may be fastened or unlocked by driving control of the second guide rail 810.
Referring to fig. 4, specifically, in this embodiment, the calibration device of the phased array detector includes two second guide rails 810, two fixed stop blocks 820 and a movable stop block 830, wherein the two second guide rails 810 are arranged on the fixed base 100 at intervals along the extending direction of the first guide rail 410, the two fixed stop blocks 820 are fixedly connected to one end of the two second guide rails 810 along the extending direction of the two second guide rails 810, the two opposite ends of the movable stop block 830 are movably connected to the two second guide rails 810 along the horizontal direction, and the standard test block 200 is correspondingly clamped and fixed between the movable stop block 830 and the two fixed stop blocks 820.
Referring to fig. 1 and 3 together, in this embodiment, the first guide rail 410 is movably connected to the support column 300 along the vertical direction, so that the height position of the first guide rail 410 can be adjusted according to the standard test blocks 200 with different sizes, and the height position of the detection probe 600 disposed on the first guide rail 410 can be adjusted accordingly.
Further, in this embodiment, the first guide rail 410 is provided with a position scale mark (not shown) along the horizontal movement direction of the detection probe 600, and the ultrasonic phased array detector may be connected to an encoder, so as to generate a position code record map when calibrating the ultrasonic phased array detector.
Still further, in this embodiment, the calibration device for an ultrasonic phased array detector further includes a support platform 700, the support platform 700 is movably connected to the support column 300 along a vertical direction, the support platform 700 is provided with a hollowed-out area 702 opposite to the standard test block 200, and a second fastener (not shown) is provided, the first guide rail 410 is disposed on one side of the support platform 700 opposite to the fixed base 100, the detection probe 600 can be erected above the standard test block 200 beyond the hollowed-out area 702, and the second fastener is used for fastening the support platform 700 when the support platform 700 moves to a proper position.
Specifically, in this embodiment, the second fastening member is a fastening screw, and the fastening screw is disposed on the support platform 700 and opposite to the support post 300, so that the friction between the fastening screw and the support platform 700 can be adjusted by rotating the fastening screw, thereby fastening or unlocking the support platform 700; in other embodiments, the second fastening member may be other common fastening structures, so as to fasten or unlock the support platform 700.
Referring to fig. 2 and fig. 5 together, in this embodiment, the calibration device of the phased array detector includes four support columns 300, a support platform 700 and a hollow area 702 disposed on the support platform 700, wherein the four corners of the support platform 700 are respectively and vertically connected to the four support columns 300, and the first guide rail 410 is disposed on one side of the support platform 700 opposite to the fixed base 100 and adjacent to the edge of the hollow area 702.
Further, in this embodiment, the calibration device of the ultrasonic phased array detector further includes a second spring 440, the second spring 440 is sleeved on the adjusting screw 420, two opposite ends of the second spring 440 respectively elastically abut against one side of the clamping assembly 500 opposite to the first guide rail 410, and a lower end of the adjusting nut 450; it should be noted that, since the first spring 430 needs to support the clamping assembly 500 and the test probe 600, the additional arrangement of the second spring 440 can prevent the first spring 430 from affecting the adjustment accuracy of the pressure value between the test probe 600 and the standard test block 200 due to mechanical fatigue in the long-term use process, that is, the pressure value between the test probe 600 and the standard test block 200 can be adjusted more accurately by matching the first spring 430 with the second spring 440.
Further, in this embodiment, the adjusting screw 420 is provided with pressure scale marks (not shown) along the vertical extending direction, so that the pressure value between the test probe 600 and the standard test block 200 can be obtained by observing the positions of the adjusting nuts 450 corresponding to the pressure scale marks on the support columns 300.
Still further, in other embodiments, the first spring 430 may be omitted, so that the clamping assembly 500 and the test probe 600 are directly mounted on the standard test block 200, and the pressure value between the test probe 600 and the standard test block 200 is adaptively adjusted only by the second spring 440 and the adjusting nut 450.
Still further, in other embodiments, the calibration device of the ultrasonic phased array detector further includes a balancing weight (not shown), wherein the balancing weight is detachably disposed on a side of the detection probe 600 opposite to the standard test block 200, and the pressure value between the detection probe 600 and the standard test block 200 is adaptively adjusted by increasing or decreasing the balancing weight; it should be noted that, when the balancing weight is set, the first spring 430, the second spring 440 and the adjusting nut 450 may be omitted, so as to simplify the manufacturing process of the calibration device of the ultrasonic phased array detector.
Referring to fig. 3, further, in the embodiment, the clamping assembly 500 includes a fixing portion 510, a connecting portion 520 and a movable portion 530, the fixing portion 510 is movably connected to the adjusting screw 420 along a vertical direction, the connecting portion 520 is fixedly connected to the fixing portion 510 and extends along a horizontal direction, the movable portion 530 is movably connected to the connecting portion 520 along an extending direction of the connecting portion 520, a first fastener (not shown) is provided on the movable portion 530, the first fastener is used for fastening the movable portion 530 when the movable portion 530 moves to a proper position, the detecting probe 600 is clamped and fixed between the movable portion 530 and the fixing portion 510, the first spring 430 is correspondingly located between the fixing portion 510 and the first guide rail 410, and the second spring 440 is correspondingly located between the fixing portion 510 and the adjusting nut 450.
Specifically, in this embodiment, the first fastening member is a fastening screw, and the fastening screw is inserted through the movable portion 530 and opposite to the connecting portion 520, so that the friction force between the movable portion 530 and the connecting portion 520 can be adjusted by rotating the fastening screw, thereby fastening or unlocking the movable portion 530; in other embodiments, the first fastening member may be other common fastening structures, so as to fasten or unlock the movable portion 530.
Further, in this embodiment, the clamping assembly 500 further includes a first connecting pad (not shown) and a second connecting pad (not shown), the first connecting pad and the second connecting pad are respectively disposed on the fixing portion 510 and the connecting portion 520, and the first connecting pad and the second connecting pad are disposed opposite to each other along the horizontal direction, and the detection probe 600 is clamped and fixed between the first connecting pad and the second connecting pad.
Referring to fig. 3, further, in the present embodiment, the detecting probe 600 includes a connecting wedge 610 and a probe main body 620, the connecting wedge 610 is clamped and fixed between the first connecting pad and the second connecting pad and is set up above the standard test block 200, the probe main body 620 is disposed at a side of the connecting wedge 610 opposite to the standard test block 200 for connecting an ultrasonic phased array detector, and the balancing weight is detachably disposed at a side of the connecting wedge 610 opposite to the standard test block 200; it can be appreciated that the connecting wedge blocks 610 with different sizes and structures can be replaced correspondingly according to the standard test blocks 200 with different sizes and structures, so that the connecting wedge blocks 610 can be smoothly erected above the standard test blocks 200 all the time.
Further, in this embodiment, the test probe 600 further includes a pressure sensor 630, and the pressure sensor 630 is fixedly disposed on the connection wedge 610 for monitoring the pressure value between the connection wedge 610 and the standard test block 200.
Referring to fig. 3, in this embodiment, the calibration device of the ultrasonic phased array detector further includes a spraying unit (not shown), the connection wedge 610 is provided with a medium through hole (not shown) that is communicated with the standard test block 200, and the spraying unit is communicated with the medium through hole, so that the couplant is sprayed on the standard test block 200 through the medium through hole in the process of calibrating the ultrasonic phased array detector; specifically, in this embodiment, the spraying unit is an electric spray can, and the electric spray can is communicated with the medium through hole through a hose.
The steps for making a TCG curve by the ultrasonic phased array detector calibration apparatus are as follows:
taking a plate thickness of 15.9mm as an example, the deepest hole depth of the current manufacturing is 10mm, the deepest hole depth of the manufacturing curve is 40mm, the middle is 20mm, and 3 points are formed:
(1) Click on the TCG and enter TCG calibration.
(2) Setting a reference amplitude, defaulting to 80%;
(3) Editing the first angle 38 degrees and the last angle 72 degrees;
(4) Setting a gate starting point, width and threshold value, so that the gate can frame reflection signals of a hole to be manufactured at present at each angle;
(5) Adjusting the pressure value between the test probe 600 and the standard block 200, moving the probe from left to right over the 10mm depth hole of the standard block 200, creating a smoothed signal envelope;
(6) If necessary, modifying the gain so that the maximum amplitude of the signal does not exceed two green lines;
(7) Selecting an increasing point, and completing TCG manufacture and calibration of the 10mm position point;
(8) After the additional points are selected, the probe is required to be moved again to manufacture an envelope curve, if the envelope curve is not in the range of the two green lines, a recalibration key can be clicked to recalibrate, the detection probe 600 is moved again after recalibration, the envelope curve is observed, and if the requirement is met, the current point calibration is finished after clicking and accepting;
(9) The second point of TCG was made in 20mm deep hole and calibrated: repeating the steps (5) - (9), wherein the gain in the steps can not be adjusted any more, so that the TCG manufacture and calibration of the 20mm position point are completed;
(10) TCG third point was made for 40mm deep hole and calibrated: repeating the steps (5) - (9), wherein the gain in the steps can not be adjusted any more, and then the TCG manufacture and calibration of the 40mm position point are completed;
(11) Clicking the check number to complete TCG calibration when all the manufacturing is completed;
(12) The configuration is utilized to collect and store calibration patterns for the deep holes of 10mm and 40mm by utilizing a position coding mode.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The utility model provides an ultrasonic phased array detector calibrating device, its characterized in that includes unable adjustment base, standard test block, supporting column, first guide rail, adjusting screw, balancing weight, first spring, adjusting nut, clamping assembly and test probe, standard test block with the supporting column all set up in on the unable adjustment base, first guide rail along vertical direction swing joint in on the supporting column, adjusting screw along horizontal direction swing joint in on the first guide rail, clamping assembly along vertical direction swing joint in on the adjusting screw, test probe set up in on the clamping assembly and take in standard test block top, the balancing weight dismantlement formula set up in on the test probe, first spring housing is located on the adjusting screw to elasticity butt respectively first guide rail orientation in one side of clamping assembly, and clamping assembly orientation in one side of first guide rail, adjusting nut threaded connection in on the adjusting screw, and be located clamping assembly is dorsad in one side of first guide rail.
2. The ultrasonic phased array detector calibration apparatus of claim 1, further comprising a second spring sleeved on the adjusting screw and respectively elastically abutting against one side of the clamping assembly, which is opposite to the first guide rail, and the adjusting nut.
3. The ultrasonic phased array detector calibration apparatus of claim 2, wherein the clamping assembly comprises a fixing portion, a connecting portion and a movable portion, the fixing portion is movably connected to the adjusting screw in the vertical direction, the connecting portion is fixedly connected to the fixing portion and extends in the horizontal direction, the movable portion is movably connected to the connecting portion in the extending direction of the connecting portion, a first fastener is arranged on the movable portion and used for fastening the movable portion when the movable portion moves to a proper position, the detection probe is clamped and fixed between the movable portion and the fixing portion, the first spring is located between the fixing portion and the first guide rail, and the second spring is located between the fixing portion and the adjusting nut.
4. The ultrasonic phased array detector calibration apparatus according to claim 3, wherein the detection probe comprises a connection wedge and a probe body, the connection wedge is clamped and fixed between the movable part and the fixed part and is arranged above the standard test block, the probe body is arranged on one side of the connection wedge opposite to the standard test block, and the balancing weight is detachably arranged on one side of the connection wedge opposite to the standard test block.
5. The ultrasonic phased array detector calibration apparatus of claim 4, wherein the detection probe further comprises a pressure sensor fixedly disposed on the connection wedge for monitoring a pressure value between the connection wedge and the standard test block.
6. The ultrasonic phased array detector calibration apparatus of claim 4, further comprising a spray unit, wherein the connecting wedge has a media through hole in communication with the standard test block, and wherein the spray unit is in communication with the media through hole.
7. The ultrasonic phased array detector calibration apparatus of claim 1, further comprising a support platform movably connected to the support posts in a vertical direction, the support platform being provided with second fasteners for fastening the support platform when the support platform is moved into position, the first guide rail being disposed on a side of the support platform facing away from the stationary base.
8. The ultrasonic phased array detector calibration apparatus of claim 7, wherein the ultrasonic phased array detector calibration apparatus comprises four support posts, and the four corners of the periphery of the support platform are respectively and dynamically connected to the four support posts along the vertical direction.
9. The ultrasonic phased array detector calibration apparatus of claim 1, further comprising a second guide rail, a fixed stop and a movable stop, wherein the second guide rail is arranged on the fixed base, the fixed stop is fixedly connected to the second guide rail, the movable stop is movably connected to the second guide rail in the horizontal direction, the movable stop is provided with a third fastener, the third fastener is used for fastening the movable stop when the movable stop moves to a proper position, and the standard test block is clamped and fixed between the movable stop and the fixed stop.
10. The ultrasonic phased array detector calibration apparatus according to claim 9, wherein the ultrasonic phased array detector calibration apparatus comprises two second guide rails, two fixed stoppers and one movable stopper, the two second guide rails are arranged on the fixed base at intervals along the extending direction of the first guide rails, the two fixed stoppers are respectively fixedly connected to one end of the two second guide rails, the opposite ends of the movable stoppers are respectively movably connected to the two second guide rails along the horizontal direction, the standard test block is clamped and fixed between the movable stoppers and the two fixed stoppers, and the extending direction of the first guide rails is perpendicular to the extending direction of each second guide rail.
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