CN203643405U - Self-coupled ultrasonic probe - Google Patents
Self-coupled ultrasonic probe Download PDFInfo
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- CN203643405U CN203643405U CN201420011598.XU CN201420011598U CN203643405U CN 203643405 U CN203643405 U CN 203643405U CN 201420011598 U CN201420011598 U CN 201420011598U CN 203643405 U CN203643405 U CN 203643405U
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- couplant
- probe body
- ultrasonic probe
- coupled mode
- probe
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Abstract
The utility model provides a self-coupled ultrasonic probe. The self-coupled ultrasonic probe comprises a probe body and a coupling agent box, wherein the coupling agent box comprises an inner cavity for containing a coupling agent and is provided with a lower opening; the probe body is arranged in the inner cavity in an up-down movable mode, and the lower part of the probe body goes beyond the lower opening of the coupling agent box; a coupling agent outflow port is formed between the probe body and the lower opening; a blocking part is arranged on a peripheral side wall of the probe body; the blocking part is pressed against a lower bottom surface in the inner cavity and covers the coupling agent outflow port; a compressed elastic piece is connected between the probe body and an upper top surface of the inner cavity; a coupling agent injection port communicated with the inner cavity is formed in the coupling agent box. Compared with the prior art, due to the coupling agent box with coupling agents, the lower end face of the probe body is pressed against the surface of a workpiece during use, the probe body retracts into the coupling agent box after being pressed, the coupling agent can automatically flow out to the surface of the workpiece for coupling the workpiece and the surface of the probe, and the operation is convenient.
Description
Technical field
The utility model relates to ultrasonic probe, especially a kind of self coupling agent from coupled mode ultrasonic probe.
Background technology
Ultrasound wave is the sound wave of frequency higher than 20000Hz, its good directionality, and penetration capacity is strong, is easy to obtain more concentrated acoustic energy, in water transmission distance, can be used for finding range, tests the speed, cleans, welding, rubble, sterilizing etc.In medical science, military affairs, industry, agricultural, there is a lot of application.Ultrasound wave is gained the name because of the upper limit of hearing that its lower-frequency limit approximates greatly people.
The general sound wave of hyperacoustic wavelength ratio is short, has good directivity, and can see through opaque material, and this characteristic has been widely used in UT (Ultrasonic Testing), thickness measuring, range finding, remote control and ultrasonic imaging technique.
The application of ultrasound wave in flaw detection, mainly to utilize ultrasonic energy to penetrate the depths of metal material, and while entering another cross section by a cross section, the feature that occurs to reflect in interface edge checks a kind of method of part defect, when ultrasonic beam passes to metal inside from piece surface by probe, while running into defect and part bottom surface, just there is reflection wave respectively, on video screen, form pulse waveform, judge defective locations and size according to these pulse waveforms.
Hyperacoustic propagation is also subject to the impact of propagation medium, and for gas, decay that can reference fluids, is mainly Absorption of Medium decay, and the medium coefficient of viscosity is larger, and ultrasonic frequency is larger, decays more serious; Media density is larger, and in medium, velocity of wave is larger, and medium temperature is higher, and decay is just light.Because gas composition composition is except affecting gas density, some dust in gas and solid impurity can absorb and scattering part ultrasound wave.So we will be coated with one deck couplant on measured workpiece surface and squeeze the air between ultrasonic probe and workpiece in UT (Ultrasonic Testing).
Refer to Fig. 1; it illustrates a kind of ultrasonic probe of prior art; it comprises shell 1, be located at joint 11 on shell 1, be located at shell 1 inside damping block 12, be located at damping block 12 belows piezoelectric chip 13, be located at the diaphragm 14 of shell lower end; on piezoelectric chip 13, be connected with wire 15, in the joint 11 of the upper end of wire 15 from shell 1, pass.
While adopting this ultrasonic probe to carry out flaw detection, between diaphragm 14 and workpiece, be coated with one deck couplant and squeeze air, avoid ultrasound wave in air, directly to attenuate.The couplant of use is generally machine oil, paste and other special couplants now, must prepare a bottle or brush at every turn and first surface of the work be brushed and tested in the time carrying out ultrasonic testing, operates so very inconvenient.Test if arrange reviewer to carry out limit brushing frontier inspection, the continuity of the work efficiency on check and check work has produced great impact like that, and has undetected possibility.In the region of some inconvenient operations, particularly high-altitude climbing operation, hand of reviewer will be held ultra-sonic defect detector, another hand will be held bucket and the brush of dress couplant, to prevent on the one hand defectoscope collision, also will prevent that on the other hand couplant from spilling from bucket, be very difficult so a people carries out operation, has a strong impact on work efficiency.If arrange two common operations of people, a people brushes couplant specially, another person's specialize flaw detection, human cost is higher, and which place will check and will brush couplant more, only have reviewer just to know, brush couplant people he be uncomprehending.Some workpiece surface roughness is relatively good can be brushed a little less, and some workpiece surface roughness will be brushed more greatly more is a little also only had reviewer to feel just can know, two common operations of people need to be linked up cooperation, and work efficiency is lower.And the position of encountering narrow space, two people also cannot enter, so brush the work that the work of couplant is the medium-term and long-term puzzlement of industrial flaw detection work people always.
Summary of the invention
In order to overcome the defect of prior art, the utility model people, through concentrating on studies and long-term groping, has obtained important breakthrough, developed a kind of self coupling agent from coupled mode ultrasonic probe.This kind brushed couplant without special messenger in the time that coupled mode ultrasonic probe is used for flaw detection, staff's ultrasonic probe oneself in the process of check just can flow out couplant, both saved man power and material, simultaneously also for reviewer can concentrate one's energy continuous a workpiece carried out to flaw detection very large support is provided.
Therefore, the purpose of this utility model be to provide a kind of self coupling agent from coupled mode ultrasonic probe, this kind of ultrasonic probe can automatically flow out couplant in the time that workpiece is carried out to flaw detection, save the work flow of independent brushing couplant, the work efficiency that has improved UT (Ultrasonic Testing) check, has reduced check operating cost.
For achieving the above object, it is a kind of from coupled mode ultrasonic probe that the utility model provides, it is characterized in that: it comprises probe body and couplant casing, described couplant casing has and holds the inner chamber of couplant and offer lower ending opening, and described probe body can move up and down and be arranged in described inner chamber and the bottom of described probe body exceeds the lower ending opening of described couplant casing; Between described probe body and described lower ending opening, be provided with couplant flow export, the outer peripheral sidewall of described probe body is provided with stop part, and described stop part is pushed against the bottom surface of described inner chamber and covers described couplant flow export; Between the upper end face of described probe body and described inner chamber, be also connected with compression elastic piece; On described couplant casing, be also provided with the couplant inlet with described intracavity inter-connection.
Preferably, on described probe body, be also installed with the dividing plate that can slide up and down along the sidewall of described inner chamber, described inner chamber is separated into up and down upper couplant chamber and lower couplant chamber by described dividing plate, described couplant inlet is connected with described upper couplant chamber, and described dividing plate is provided with the hole that is communicated with described upper couplant chamber and described lower couplant chamber.In specific embodiment, the quantity in the hole on dividing plate is one or more.When the quantity in hole is multiple, the aperture in multiple holes can be identical or different; Multiple holes, along being evenly distributed on described dividing plate, being preferably along same even circumferential and being distributed on described dividing plate.
Preferably, describedly also comprise terminal from coupled mode ultrasonic probe, described terminal can be arranged in described couplant inlet up and downly, and described terminal is connected by wire with described probe body.
Preferably, the upper end of described probe body is fixed with the column of hollow, and described dividing plate is fixed on the upper end of described column, and then the wire of described probe body is connected with described terminal through described dividing plate after passing from described column again.
Wherein, described compression elastic piece is preferably Compress Spring.
In one embodiment, describedly also comprise lid from coupled mode ultrasonic probe, described lid with described couplant inlet for to be detachably flexibly connected.
Further, described lid is provided with wire through-hole, described terminal with described wire through-hole for to be detachably flexibly connected.
Further, described wire through-hole runs through described lid along the vertical direction, and described terminal is threaded in described wire through-hole.
In another specific embodiment, described from coupled mode ultrasonic probe also comprise couplant inject case, described couplant injects in case and has the cavity volume that holds couplant, described couplant injects case and is provided with the connector that described cavity volume is connected with described couplant inlet, described connector with the couplant inlet of described couplant casing for to be detachably flexibly connected.
Further, described couplant injects in case and is provided with the lead channels being communicated with outside, described terminal with described lead channels for to be detachably flexibly connected.
Further, the top that described lead channels is injected case from described couplant extends downward described connector, between described lead channels and described connector, is provided with gap; Described terminal is threaded in the bottom of described lead channels.
Compared to prior art, of the present utility model from coupled mode ultrasonic probe by the agent of couplant casing self coupling is set, in use the lower surface of probe body is pushed against to surface of the work, press rear probe body retracts in couplant casing, make the to pop one's head in lower surface of body is concordant with the lower surface of couplant casing, the stop part of probe body departs from the bottom surface of inner chamber, couplant flow export is opened, couplant automatically flows out on surface of the work workpiece and detecting head surface is coupled, easy to operate.
Accompanying drawing explanation
Fig. 1 is the structural representation of the ultrasonic probe of prior art.
Fig. 2 is the structural representation of the utility model the first embodiment.
Fig. 3 is the structural representation of the utility model the first embodiment median septum.
Fig. 4 is the structural representation of the utility model the second embodiment.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.
Embodiment mono-
Refer to Fig. 2, it is a kind of from coupled mode ultrasonic probe that the present embodiment provides, and it comprises probe body 2, couplant casing 3 and lid 4.
On probe body 2, be also installed with the dividing plate 5 that can slide up and down along the sidewall of described inner chamber, described inner chamber is separated into up and down upper couplant chamber 311 and lower couplant chamber 312 by dividing plate 5, and dividing plate 5 is provided with the hole 51 that is communicated with upper couplant chamber 311 and lower couplant chamber 312.Refer to Fig. 3, in the present embodiment, the quantity in the hole on dividing plate is 4, and 4 holes are distributed on dividing plate along same even circumferential.
Describedly also comprise terminal 6 from coupled mode ultrasonic probe, terminal 6 can be arranged in couplant inlet 33 up and downly, and terminal 6 is connected by wire 61 with described probe body 2.
Lid 4 with couplant inlet 33 for being threaded.Lid 4 is provided with wire through-hole 41, and wire through-hole 41 runs through lid 4 along the vertical direction, terminal 6 with wire through-hole 41 for being threaded.Terminal 6 is connected with ultra-sonic defect detector main frame by wire 62.
The upper end of probe body 2 is fixed with the column 7 of hollow, and dividing plate 5 is fixed on the upper end of column 7, after the wire of probe body 2 passes from column 7, is then connected with terminal 6 through dividing plate 5 again.
Before reviewer's work, couplant is filled to the inner chamber 3 of couplant casing 3, then tighten lid 4, lid 4 with the junction of couplant casing 3 with being threaded, the wire through-hole 41 of terminal 6 and lid 4 is also threaded, and so just can prevent that couplant from leaking outside and well wire be extracted in couplant case 3.
Under original state, the bottom of probe body 2 exceeds the lower ending opening of couplant casing 3, and exceeding distance can design as required, exceeds distance in the present embodiment in the scope of several millimeters.In the time that the pop one's head in lower surface of body 2 and the lower surface of couplant casing 3 are concordant, couplant flow export 32 will be opened automatically.Pop one's head in the time of the life's work lower surface of body 2 of checker is close to surface of the work, if checker hold couplant casing 3 toward next by, the probe lower surface of body 2 is concordant with the maintenance of the lower surface of couplant casing 3 just can normally work.When normal work, couplant can flow out endlessly the surface of workpiece and probe body 2 is coupled from couplant flow export 32.
Probe body 2 is connected by metal upright post 7 with dividing plate 5, refer to Fig. 3, in dividing plate 5, be provided with by 52 and 4 apertures 51 of 1 macropore, wire 61 passes from middle macropore 52, couplant from 4 apertures 51 of periphery from couplant chamber 311 flow in lower couplant chamber 312.When checker is in the time working, the effect of dividing plate 5 is in order to control couplant flowing velocity.If centre does not arrange dividing plate 5, as long as reviewer pops one's head in the time detecting, body 2 is always in extruding retracted mode, and couplant flow export 32 just ceaselessly flows out couplant, and flow is larger.Be provided with after dividing plate 5, the couplant in upper couplant chamber 311 just can flow in lower couplant chamber 312 by aperture 51.Dividing plate top is to be connected by end face on the inner chamber 31 of Compress Spring 8 and couplant casing 3.The effect of Compress Spring 8 has two: first, reviewer during at extruding probe body 2, Compress Spring 8 is just in compressive state, in the time that reviewer quits work, Compress Spring 8 can directly promote dividing plate 5, dividing plate 5 promotes probe body 2 and resets, couplant flow export 32 just can be closed automatically, and couplant cannot flow out, second, in the time that reviewer pushes probe body 2, dividing plate 5 is subject to power upwards, 311 spaces, upper couplant chamber diminish pressure become greatly just force couplant to flow to couplant chamber 312 from 4 apertures 51, in the time that reviewer comes loose the action of extruding probe body 2, dividing plate 5 can be compressed the downward elastic force of spring 8, elastic force also can promote couplant and accelerate to flow downward, when checker thinks that the coupling dosage of surface of the work can repeatedly push probe body 2 and move up and down when inadequate, can accelerate the speed that flows downward of couplant by interlock, increase the discharge of couplant in couplant flow export 32.
In the present embodiment, in the inner chamber of couplant casing 3, once fill after couplant, lid 4 is just tightened and can be used, still, due to the finite capacity of couplant casing 3, need to add couplant time, lid 4 will be backed out, and cannot in use add couplant.Therefore, being suitable in the less ultrasonic testing operation of couplant consumption, such as ultrasonic thickness test from coupled mode ultrasonic probe of the present embodiment.
Embodiment bis-
Refer to Fig. 4, the present embodiment from coupled mode ultrasonic probe, the difference of itself and embodiment mono-is: from coupled mode ultrasonic probe, the lid in embodiment mono-4 being replaced by couplant and injecting case 9 of the present embodiment; The couplant from coupled mode ultrasonic probe of this enforcement injects in case 9 and has the cavity volume 91 that holds couplant, couplant inject case 9 be provided with the connector 92 that cavity volume 91 is connected with couplant inlet 33, connector 92 with the couplant inlet 33 of couplant casing 9 for being threaded; Couplant injects in case 9 and is provided with the lead channels 93 being communicated with outside, and the top that lead channels 93 is injected case 9 from couplant extends downward connector 92, between lead channels 93 and connector 92, is provided with gap; Terminal 6 is threaded in the bottom of lead channels 93.
Due to the finite capacity of the couplant casing 3 from coupled mode ultrasonic probe of embodiment mono-, in the time that ultrasonic testing needs the couplant of more consumption, frequently open lid 4 and pour into couplant and extremely bother.Therefore, the present embodiment improves embodiment mono-.Dismantle after lid 4, couplant is set on couplant casing 3 and injects case 9, inject the cavity volume 91 of case 9 by couplant the couplant capacity of whole equipment is expanded.In use, couplant constantly injects case 9 by connector 92 and the couplant inlet upper couplant of 33 inflow chamber 311 from couplant.With respect to embodiment mono-, the coupling dosage once carrying from coupled mode ultrasonic probe of the present embodiment increases greatly, is suitable for the ultrasonic testing operation of couplant large usage quantity.
Embodiment tri-
The difference from coupled mode ultrasonic probe and embodiment mono-of the present embodiment is: the couplant having increased on the basis of embodiment mono-in embodiment bis-injects case 9, and operating personnel can use lid 4 or couplant to inject case 9 as required.
Above-described embodiment is only explanation technical conceive of the present utility model and feature; its object is to allow person skilled in the art can understand content of the present utility model and implement according to this; can not limit protection domain of the present utility model with this; all equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection domain of the present utility model.
Claims (10)
1. one kind from coupled mode ultrasonic probe, it is characterized in that: it comprises probe body and couplant casing, described couplant casing has and holds the inner chamber of couplant and offer lower ending opening, and described probe body can move up and down and be arranged in described inner chamber and the bottom of described probe body exceeds the lower ending opening of described couplant casing; Between described probe body and described lower ending opening, be provided with couplant flow export, the outer peripheral sidewall of described probe body is provided with stop part, and described stop part is pushed against the bottom surface of described inner chamber and covers described couplant flow export; Between the upper end face of described probe body and described inner chamber, be also connected with compression elastic piece; On described couplant casing, be also provided with the couplant inlet with described intracavity inter-connection.
2. according to claim 1 from coupled mode ultrasonic probe, it is characterized in that: on described probe body, be also installed with the dividing plate that can slide up and down along the sidewall of described inner chamber, described inner chamber is separated into up and down upper couplant chamber and lower couplant chamber by described dividing plate, couplant inlet is connected with described upper couplant chamber, and described dividing plate is provided with the hole that is communicated with described upper couplant chamber and described lower couplant chamber.
3. according to claim 2 from coupled mode ultrasonic probe, it is characterized in that: describedly also comprise terminal from coupled mode probe body, described terminal can be arranged in described couplant inlet up and downly, and described terminal is connected by wire with described probe body.
4. according to claim 2 from coupled mode ultrasonic probe, it is characterized in that: the upper end of described probe body is fixed with the column of hollow, described dividing plate is fixed on the upper end of described column, and then the wire of described probe body is connected with described terminal through described dividing plate after passing from described column again.
According to described in claim 1 to 4 any one from coupled mode ultrasonic probe, it is characterized in that: describedly also comprise lid from coupled mode ultrasonic probe, described lid with described couplant inlet for to be detachably flexibly connected.
6. according to claim 5 from coupled mode ultrasonic probe, it is characterized in that: described lid is provided with wire through-hole, described terminal with described wire through-hole for to be detachably flexibly connected.
7. according to claim 6 from coupled mode ultrasonic probe, it is characterized in that: described wire through-hole runs through described lid along the vertical direction, described terminal is threaded in described wire through-hole.
According to described in claim 1 to 4 any one from coupled mode ultrasonic probe, it is characterized in that: described from coupled mode ultrasonic probe also comprise couplant inject case, described couplant injects in case and has the cavity volume that holds couplant, described couplant injects case and is provided with the connector that described cavity volume is connected with described couplant inlet, described connector with the couplant inlet of described couplant casing for to be detachably flexibly connected.
9. according to claim 8 from coupled mode ultrasonic probe, it is characterized in that: described couplant injects in case and is provided with the lead channels being communicated with outside, described terminal with described lead channels for to be detachably flexibly connected.
10. according to claim 9 from coupled mode ultrasonic probe, it is characterized in that: the top that described lead channels is injected case from described couplant extends downward described connector, between described lead channels and described connector, is provided with gap; Described terminal is threaded in the bottom of described lead channels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420011598.XU CN203643405U (en) | 2014-01-09 | 2014-01-09 | Self-coupled ultrasonic probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420011598.XU CN203643405U (en) | 2014-01-09 | 2014-01-09 | Self-coupled ultrasonic probe |
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| CN203643405U true CN203643405U (en) | 2014-06-11 |
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| CN201420011598.XU Expired - Fee Related CN203643405U (en) | 2014-01-09 | 2014-01-09 | Self-coupled ultrasonic probe |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103713053A (en) * | 2014-01-09 | 2014-04-09 | 苏州热工研究院有限公司 | Self-coupled ultrasonic probe |
| CN108903973A (en) * | 2018-06-20 | 2018-11-30 | 东莞市联洲知识产权运营管理有限公司 | A kind of medical ultrasonic probe couplant supplementary device |
| CN111318386A (en) * | 2020-03-31 | 2020-06-23 | 奥瑞视（北京）科技有限公司 | Liquid sprayer for local liquid immersion ultrasonic detection |
-
2014
- 2014-01-09 CN CN201420011598.XU patent/CN203643405U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103713053A (en) * | 2014-01-09 | 2014-04-09 | 苏州热工研究院有限公司 | Self-coupled ultrasonic probe |
| CN103713053B (en) * | 2014-01-09 | 2016-04-06 | 苏州热工研究院有限公司 | From coupled mode ultrasonic probe |
| CN108903973A (en) * | 2018-06-20 | 2018-11-30 | 东莞市联洲知识产权运营管理有限公司 | A kind of medical ultrasonic probe couplant supplementary device |
| CN108903973B (en) * | 2018-06-20 | 2021-02-02 | 深圳恒生医院 | Coupling agent supplementing device for medical ultrasonic probe |
| CN111318386A (en) * | 2020-03-31 | 2020-06-23 | 奥瑞视（北京）科技有限公司 | Liquid sprayer for local liquid immersion ultrasonic detection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20190109 |
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| CF01 | Termination of patent right due to non-payment of annual fee |