CN2529257Y - Ultrasonic delay effect investigating device - Google Patents
Ultrasonic delay effect investigating device Download PDFInfo
- Publication number
- CN2529257Y CN2529257Y CN 02203519 CN02203519U CN2529257Y CN 2529257 Y CN2529257 Y CN 2529257Y CN 02203519 CN02203519 CN 02203519 CN 02203519 U CN02203519 U CN 02203519U CN 2529257 Y CN2529257 Y CN 2529257Y
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- China
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- sliding support
- drive coil
- sample
- support base
- coil
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- Expired - Lifetime
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model belongs to the measuring device field of material property, in particular to an ultrasonic delay effect investigating device. The combination of the device is respectively provided with four sliding bracket seat on the sliding rail, and the sliding bracket seats can slide or lock on he sliding rail. The level direction on the middle of the sliding bracket is provided with a clearance, and the upper end is provided with a lock screw rod. The bracket is respectively provided with an exciting coil and a measuring coil. The outside of the coil is sleeved with a permanent magnetism ring and a shield cover. The utility model has the advantages that: the utility model is of a simple structure design and convenient operation, which can continuously adjust and effectively improve the received signal SNR.
Description
The utility model belongs to the measuring equipment field of material property.Be specially adapted to the measurement mechanism of ultrasonic late effect of amorphous alloy ribbon and filament and elastic modulus.
In the prior art, the method for ultrasonic propagation velocity mainly contains superimposed pulses method, resonant method and delay method in the measurement amorphous alloy.Though superimposed pulses method and resonant method have the measuring accuracy height, characteristics such as good stability need special instrument and equipment, and strict to the geometric configuration and the dimensional requirement of sample.Delay method is to measure ultrasonic propagation velocity method commonly used in the amorphous alloy, in these class methods, generally adopt two coils around the sample two ends, a coil is as drive coil, another coil is as receiving coil, when in drive coil, producing the pulse current of certain width, then can produce the magnetic field that is parallel to the sample length direction in the coil, magnetic field makes sample produce magnetostriction, corresponding generation ultrasonic pulse (stress wave), when ultrasonic pulse is transmitted to receiving coil, because counter magnetostriction effect, in receiving coil, produce induction electromotive force, transmit and the mistiming of received signal and the center of two coils, can determine the velocity of propagation of the velocity of sound in sample by measurement.Though this method is simple, the center of coil is difficult to accurately determine, inevitably brings measuring error, because receiving coil exposes in the space, is easy to be subjected to the interference of peripheral electromagnetic field in addition, causes the received signal error to increase.
The purpose of this utility model provides a kind of simple and reasonable, easy to operate, reliable and ultrasonic late effect measurement mechanism that measuring error is little.
According to the purpose of this utility model, the principle of work of the ultrasonic late effect measurement mechanism that we proposed is, this device replaces measuring the mode of their absolute position, ground with the relative position that adopts measurement drive coil and receiving coil, can effectively reduce the error of measurement like this, permanent-magnetic clamp is installed around drive coil and receiving coil, can under the constant condition of pumping signal, strengthen received signal, simultaneously coil is taked shielding measure, can effectively reduce the interference of peripheral electromagnetic field, improve the signal to noise ratio (S/N ratio) of received signal.The concrete structure of the utility model device can be described with reference to the accompanying drawings.This accompanying drawing is the structural representation of the utility model device.Accompanying drawing 1 is the working state structure synoptic diagram of ultrasonic late effect measurement mechanism, and accompanying drawing 2 is the A-A cross-sectional view of accompanying drawing 1, and accompanying drawing 3 is the part of accompanying drawing 2, cross-sectional view, accompanying drawing 3 is the B-B cross-sectional view of accompanying drawing 1, and 1 is scale in the accompanying drawings, and 2 is slide rail, 3, be the sample locating rack, 4 is sample, and 5 is specimen holder, 6 for adjusting nut, 7 is standing screw, and 8 is the drive coil binding post, and 9 is radome, 10 is permanent-magnetic clamp, 11 is drive coil, and 12 is the drive coil support, 13 drive coil sliding support bases, 14 is receiving coil sliding support base, 15 is receiving coil, and 16 is the receiving coil binding post, and 17 measure the coil sliding support, 18 is the sliding support gib screw, and 19 is the sample position-limited rack.
Be described in detail the concrete structure of the utility model device below with reference to the accompanying drawings.The composition of the ultrasonic late effect measurement mechanism of the utility model is that scale 1 is installed on slide rail 2, sliding support 3,13,14,19 and excitation measure parts such as coil, it is characterized in that being equipped with the sample locating rack 3 that is equipped with respectively on the slide rail 2 of scale 1, drive coil sliding support base 13, receiving coil sliding support base 14 and sample position-limited rack 19 should be on same axis, debug whole nut 6 and standing screw 7 in the upper end of sample locating rack 3, have the Baltimore groove of placing specimen holder 5 at the middle part of sample locating rack 3, sample 4 is housed in the specimen holder 5, sample position-limited rack 19 is identical with sample locating rack 3 structures, drive coil sliding support base 13 and receiving coil sliding support base 14 are housed respectively between sample locating rack 3 and sample position-limited rack 19, in their upper end radome 9 and permanent-magnetic clamp 10 are housed respectively, in the permanent-magnetic clamp of on drive coil sliding support base 13, being adorned 10 drive coil 11 is housed, drive coil binding post 8 and drive coil support 12, in the permanent-magnetic clamp of on receiving coil sliding support base 14, being adorned 10 receiving coil 15 is housed, receiving coil binding post 16 and drive coil support 17 are at sample locating rack 3, drive coil sliding support base 13, receiving coil sliding support base 14, sliding support gib screw 18 all is equipped with in the bottom of sample position-limited rack 19.The further feature of the utility model device is to have in sample locating rack 3, the sample position-limited rack 19 horizontal line of placing specimen holder 5 Baltimore grooves should should be concentric axis with the center line of drive coil 11, receiving coil 15.Also have radome 9, permanent-magnetic clamp 10, drive coil 11 to connect drive coil binding post 8, drive coil support 12 and drive coil sliding support base 13 in addition and be the insulation assembling.Radome 9, permanent-magnetic clamp 10, receiving coil 15 connect receiving coil binding post 16, drive coil support 17 is the insulation assembling.Sample locating rack 3, drive coil sliding support base 13, receiving coil sliding support base 14 and sample position-limited rack 19 with the slide rail 2 that scale 1 is housed on should be and be slidingly installed.4 sliding support seats can slide arbitrarily on slide rail 2, and are locked on the slide rail by sliding support gib screw 18.
The surveying work process of the utility model device can simply be described according to foregoing and accompanying drawing.At first sample locating rack 3 and sample position-limited rack 19 are slided to slide rail 2 two ends, again sample 4 is put into specimen holder 5, then specimen holder 5 is worn drive coil 11 on the drive coil sliding support base 13 and the receiving coil 15 on the receiving coil sliding support base 14 respectively, mobile example locating rack 3, make specimen holder 5 place sample locating rack 3, screw sliding support gib screw 18, fixed sample locating rack 3, screw and adjust nut 6, fixed sample frame 5, the screw rod 7 that is tightened, the sample 4 in the fixed sample frame 5; The operation of slip sample limiting bracket 19 is with slip sample locating rack 3.When measuring samples 4, excitation pulse signal is added on the drive coil 11 by drive coil binding post 8, the input end of checkout equipment is connected on the receiving coil binding post 16, read drive coil sliding support base 13 and the position of receiving coil sliding support base 14 on scale, the ultrasonic time delay of detecting on the record checkout equipment, mobile receiving coil sliding support base 14, measure once more, poor (the Δ t) of the ultrasonic time delay of twice measurement is the propagation distance (Δ x) of ultrasound wave in mobile receiving coil sliding support base 14 front and back correspondences, can calculate thus ultrasound wave in sample 4 velocity of propagation (v=Δ x/ Δ t) and elastic modulus (the E=ρ v of sample
2).
Claims (5)
1. ultrasonic late effect measurement mechanism, the composition of this device is to be separately installed with parts such as sliding support and excitation measurement coil on slide rail (2), it is characterized in that being equipped with the sample locating rack (3) that is equipped with respectively on the slide rail (2) of scale (1), drive coil sliding support base (13) receiving coil sliding support base (14) and sample position-limited rack (19) should be on same axis, debug whole nut (6) and standing screw (7) in the upper end of sample locating rack (3), have the Baltimore groove of placing specimen holder (5) at the middle part of sample locating rack (3), sample (4) is housed in the specimen holder (5), sample position-limited rack (19) is identical with sample locating rack (3) structure, drive coil sliding support base (13) and receiving coil sliding support base (14) are housed respectively between sample locating rack (3) and sample position-limited rack (19), radome (9) and permanent-magnetic clamp (10) are housed respectively in their upper end, in the permanent-magnetic clamp of on drive coil sliding support base (13), being adorned (10) drive coil (11) is housed, drive coil binding post (8) and drive coil support (12), in the permanent-magnetic clamp of on receiving coil sliding support base (14), being adorned (10) receiving coil (15) is housed, receiving coil binding post (16) and drive coil support (17) are in sample locating rack (3), drive coil sliding support base (13), receiving coil sliding support base (14), sliding support gib screw (18) all is equipped with in the bottom of sample position-limited rack (19).
2. according to the described measurement mechanism of claim 1, the horizontal line that it is characterized in that having in sample locating rack (3), the sample position-limited rack (19) placement specimen holder (5) Baltimore groove should should be on same central axis with the center line of drive coil (11), receiving coil (15).
3. according to the described measurement mechanism of claim 1, it is characterized in that radome (9), permanent-magnetic clamp (10), drive coil (11) connect drive coil binding post (8), drive coil support (12) is the insulation assembling with drive coil sliding support base (13).
4. according to the described measurement mechanism of claim 1, it is characterized in that radome (9), permanent-magnetic clamp (10), receiving coil (15) connect receiving coil binding post (16), drive coil support (17) is the insulation assembling.
5. according to the described measurement mechanism of claim 1, it is characterized in that sample locating rack (3), drive coil sliding support base (13), receiving coil sliding support base (14) and sample position-limited rack (19) with the slide rail that scale (1) is housed (2) on should be and be slidingly installed and the locking of sliding support gib screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02203519 CN2529257Y (en) | 2002-02-10 | 2002-02-10 | Ultrasonic delay effect investigating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02203519 CN2529257Y (en) | 2002-02-10 | 2002-02-10 | Ultrasonic delay effect investigating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2529257Y true CN2529257Y (en) | 2003-01-01 |
Family
ID=33685671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02203519 Expired - Lifetime CN2529257Y (en) | 2002-02-10 | 2002-02-10 | Ultrasonic delay effect investigating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2529257Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589656A (en) * | 2011-12-29 | 2012-07-18 | 上海中核维思仪器仪表有限公司 | Sound delay testing method and measuring device for gas ultrasonic flowmeter |
| CN102706378A (en) * | 2012-04-28 | 2012-10-03 | 深圳光启创新技术有限公司 | Metamaterial testing fixture device |
| CN104340422A (en) * | 2014-10-21 | 2015-02-11 | 武汉佰美斯医疗科技有限公司 | Heat sealing device convenient to operate |
| CN104931902A (en) * | 2015-06-30 | 2015-09-23 | 东南大学 | Apparatus for integrating nuclear magnetic resonance magnet with probe |
| CN106655535A (en) * | 2016-11-07 | 2017-05-10 | 深圳市镭神智能系统有限公司 | 360-DEG TOF laser scanning radar based on wireless transmission |
-
2002
- 2002-02-10 CN CN 02203519 patent/CN2529257Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589656A (en) * | 2011-12-29 | 2012-07-18 | 上海中核维思仪器仪表有限公司 | Sound delay testing method and measuring device for gas ultrasonic flowmeter |
| CN102706378A (en) * | 2012-04-28 | 2012-10-03 | 深圳光启创新技术有限公司 | Metamaterial testing fixture device |
| CN102706378B (en) * | 2012-04-28 | 2015-05-27 | 深圳光启高等理工研究院 | Metamaterial testing fixture device |
| CN104340422A (en) * | 2014-10-21 | 2015-02-11 | 武汉佰美斯医疗科技有限公司 | Heat sealing device convenient to operate |
| CN104340422B (en) * | 2014-10-21 | 2016-08-17 | 武汉佰美斯医疗科技有限公司 | A kind of heat seal device convenient to operate |
| CN104931902A (en) * | 2015-06-30 | 2015-09-23 | 东南大学 | Apparatus for integrating nuclear magnetic resonance magnet with probe |
| CN106655535A (en) * | 2016-11-07 | 2017-05-10 | 深圳市镭神智能系统有限公司 | 360-DEG TOF laser scanning radar based on wireless transmission |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ANTAI SCIENCE AND TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ANTAI SCIENCE AND TECHNOLOGY CO., LTD.; PATENTEE Effective date: 20071019 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20071019 Address after: 100081 No. 76 South College Road, Beijing Patentee after: Antai Science and Technology Co., Ltd. Address before: 100081 No. 76 South College Road, Beijing Co-patentee before: Central Iron & Steel Research Institute Patentee before: Antai Science and Technology Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120210 Granted publication date: 20030101 |