CN106154353B - Acoustic wave transducer temperature performance test device - Google Patents
Acoustic wave transducer temperature performance test device Download PDFInfo
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- CN106154353B CN106154353B CN201510127307.2A CN201510127307A CN106154353B CN 106154353 B CN106154353 B CN 106154353B CN 201510127307 A CN201510127307 A CN 201510127307A CN 106154353 B CN106154353 B CN 106154353B
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Abstract
The present invention provides a kind of acoustic wave transducer temperature performance test device, the test device includes heater and measuring flume.Measuring flume includes the slot body of elongation and upward opening, and positioned at the end at slot body both ends, the end is for closing the slot body.The measuring flume is divided into heating zone, measurement zone and at least one flat-temperature zone between the heating zone and the measurement zone.The heating zone accommodates the liquid to be heated, and is also a housing for tested energy converter.The measurement zone accommodates liquid, and is also a housing for standard transducer.The flat-temperature zone accommodates heat absorption liquid, to absorb the heat from the heating zone.The heater is located in the heating zone of the measuring flume, for heating the hot liquid to be added in the heating zone.The slot body of the measuring flume constitutes a part of the acoustic wave energy transmission path between the tested energy converter and the standard transducer.
Description
Technical field
The present invention relates to the performance test to acoustic wave transducer, in particular to a kind of acoustic wave transducer temperature performance test dress
It sets.
Background technique
Acoustic wave transducer be it is a kind of acoustical signal is converted to electric signal, or electric signal is converted to the sensing of acoustical signal
Device.In acoustic wave transducer, be responsible for energy conversion is piezoelectric ceramics or magnetostriction materials.However, these materials are all right
Temperature is sensitive.At a temperature of different, energy conversion characteristics are different.
The different influences in certain applications of acoustic wave transducer in energy conversion characteristics are very big, for example, in stone
In the Acoustic Amplitude Log application of oily industry.Acoustic Amplitude Log refers to that handle includes acoustic transducer array (usually by single
Transmitting transducer and multiple receive energy converter composition) instrument be placed into well, and connected with ground by cable.Instrument
It measures, is lifted up on one side on one side, or measure on one side, on one side toward decentralization.Measurement process is such that transmitting is changed
Energy device emits sound wave, and sound wave is propagated in well, eventually arrives at remotely located reception energy converter, receives energy converter by analysis and connects
The signal amplitude received assesses Jie's qualitative attribution around well.It is analyzed based on the voltage signal of acoustic receiver energy converter,
To assess the attribute of well surrounding medium.The voltage signal and sound pressure signal are one-to-one, and sound pressure signal and voltage are believed
Conversion proportion between number is then closely related with environment temperature, so as to cause this amplitude measurement mode measurement result it is correct
Whether and the variation degree of environment temperature have a very large relationship.
In petroleum industry, the range of acoustic logging to fathom probably is hundreds of meters of underground to the thousands of rice in underground.Root
According to geophysics, temperature increases with the increase of subterranean depth, and variation range is about at more than 100 degrees Celsius.This for
It cannot be neglected influence using for the logger of acoustic transducer array being one.
In order to measure the performance of the acoustic wave transducer under temperature variations, need a measuring device tested for holding
Energy converter and standard transducer, in which: tested energy converter is measurand；Standard transducer is then equivalent to scale, it itself
Performance is very stable, and also requires the environment locating for it also relatively stable.If the temperature of standard transducer local environment becomes
Change acutely, then its measurement result also can inaccuracy.
It generallys use heat-insulated acoustic window material in the prior art to separate tested energy converter and standard transducer, while ensuring sound
The transmission of wave energy.But compromise of this material in terms of heat-proof quality and entrant sound so that its both cannot achieve adequately every
Heat can also cause considerable degree of obstruction to the transmission of acoustic wave energy.Therefore, the result for resulting in measurement is usually less quasi-
Really.
Therefore, the test device accurately measured the temperature performance of acoustic wave transducer is required all the time.
Summary of the invention
The purpose of the present invention is to provide a kind of acoustic wave transducer temperature performance test devices, can be to acoustic wave transducer
Performance relevant to temperature is accurately measured.
To achieve the goals above, the present invention provides a kind of acoustic wave transducer temperature performance test device, the tests
Device includes heater and measuring flume.Measuring flume includes the slot body of elongation and upward opening, and is located at the slot body two
The end at end, the end is for closing the slot body.The measuring flume is divided into heating zone, measurement zone and is located at institute
State at least one flat-temperature zone between heating zone and the measurement zone.The heating zone accommodates the liquid to be heated, and also uses
Energy converter is tested in accommodating.The measurement zone accommodates liquid, and is also a housing for standard transducer.The flat-temperature zone accommodates
There is heat absorption liquid, to absorb the heat from the heating zone.The heater is located in the heating zone of the measuring flume, is used for
Heat the hot liquid to be added in the heating zone.The slot body of the measuring flume constitutes the tested energy converter and the standard transducing
A part of acoustic wave energy transmission path between device.
Preferably, the slot body is made of metal material.
Preferably, the measuring flume is divided into multiple areas by the way that thermal insulation block is arranged in the measuring flume.
It preferably, further include heat dissipation circulating system, the heat dissipation circulating system is connected to the flat-temperature zone of the measuring flume, uses
In recycling the heat absorption liquid, to discharge the heat accumulated in the flat-temperature zone.
It preferably, further include the temperature detector being arranged in the heating zone.
Preferably, the liquid in the hot liquid to be added and the measurement zone in the heating zone is oily, in the flat-temperature zone
Heat absorption liquid be mixture of ice and water.
Preferably, the outer side covering of the heating zone is with insulating layer.
It preferably, further include cover board for being covered on the heating zone, the heater and the temperature detector
It can be set on the cover board.
Preferably, thermal insulation block and insulating layer used are formed using asbestos material.
Perseverance is arranged by the way that measuring flume is divided into multiple areas in the present invention before tested energy converter and standard transducer
Warm area, it is ensured that standard transducer is in the environment of the non-normal temperature of temperature.In addition, slot body is used as tested energy converter and standard
A part of acoustic wave energy transmission path between energy converter allows to separate tested transducing using more heat-insulated material
Device and standard transducer so as to it is sufficiently heat-insulated while, do not interfere the transmission of acoustic wave energy.As a result, according to the present invention
Acoustic wave transducer temperature performance test device can carry out more accurate measurement to acoustic wave transducer performance relevant to temperature.
According to the accompanying drawings to the detailed description of the preferred embodiment of the present invention, those skilled in the art be will become more clear
The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Attached drawing below is substantially only used for the graphical representation of exemplary to one embodiment of the present of invention, it is no intended to
Any mode carries out any restrictions to the present invention and its application.It is noted that using identical attached drawing mark in all the appended drawings
Note is to indicate same or similar component, and attached drawing is not necessarily to be drawn to scale.In attached drawing:
Fig. 1 is perspective view according to an embodiment of the invention；
Fig. 2 is the frontal view of embodiment shown in FIG. 1；
Fig. 3 is the top view of embodiment shown in FIG. 1；
Fig. 4 is the end view enlarged drawing of embodiment shown in FIG. 1.
Specific embodiment
Exemplary embodiment of the present invention is described in detail below in conjunction with attached drawing.Pass through following description and attached drawing
Diagram, above-mentioned characteristic of the invention, advantage and other characteristics and advantages will be apparent.It is noted that below retouch
The explanation only carried out to exemplary embodiment of the present invention is stated, such description is not meant to described embodiment pair
For realization of the invention be it is optimal, do not mean that described technical characteristic is to close for realization of the invention yet
Keyness.But it is such description just for the sake of enable those skilled in the art to be more fully understood from the present invention with
And implement the present invention and the illustrative description of progress.Furthermore it is also worth pointing out that all exemplary implementations described in this application
The technical characteristic of example can be combined in an appropriate manner, and combined resulting technical solution and be should also be as being considered falling in
In the scope of the present invention.
Referring to Fig. 1 to Fig. 4, a kind of acoustic wave transducer temperature performance test device 100 according to the present invention is shown.
In general, acoustic wave transducer temperature performance test device 100 includes measuring flume 200, and measuring flume 200 includes elongation and upward
Open slot body 9 and the end 1 positioned at 9 both ends of slot body.It end 1 can be by any suitable material (for example, metal material etc.
Deng) constitute, it can have any suitable shape, and can be attached using any suitable way (for example, welding etc.)
To slot body 9, for the closed at both ends slot body 9 in slot body 9.Slot body 9 usually have generally U-shaped cross section, and usually by
Metal material is formed.It is to be understood that slot body 9 can have the cross section of any suitable shape, and can be by any conjunction
Suitable material is formed.
In the illustrated embodiment, measuring flume 200 is divided by heating zone 2, measurement zone 8 by thermal insulation block 7 and be located at
Flat-temperature zone 6 between heating zone 2 and measurement zone 8.It is illustrate only in this embodiment through two thermal insulation blocks 7 in measuring flume
A flat-temperature zone 6 is marked off in 200, but can also be marked off in measuring flume 200 incessantly using the thermal insulation block 7 of other quantity
One flat-temperature zone 6.In addition, position of the thermal insulation block 7 in measuring flume 200 also can according to need and change.Thermal insulation block 7 can be by
Any suitable temperature insulating material is constituted, such as asbestos etc..It is filled with hot liquid to be added in heating zone 2, is then tested transducing
Device can be placed in the hot liquid to be added.The hot liquid to be added is usually oil or water but it is also possible to be any suitable
Other liquid.Also liquid is filled in measurement zone 8, the liquid is usually oil or water.Standard transducer can be placed to
In measurement zone 8 and it is immersed in the liquid.Heat absorption liquid is filled in flat-temperature zone 6, to absorb passing through from heating zone 2
The heat that slot body 9 transmits, to prevent the heating of measurement zone 8.Heat absorption liquid in flat-temperature zone 6 can be mixture of ice and water, but
It is also possible to other any suitable liquid.
Having heaters 3 is set in heating zone 2, to heat to liquid to be heated.Heater 3 can use existing
Known any kind of heating device is constituted in technology, including but not limited to, such as electrically heated rod.Lead in heating zone 2
Temperature detector 4 can also be often set to carry out monitoring temperature.It in the illustrated embodiment, further include being covered on heating zone
Cover board 5 on 2, for preventing high-temp liquid splash, wherein heater 3 and temperature detector 4 may be located on the cover board 5
In.It is to be understood that heater 3 and temperature detector 4 equally can be set at any suitable position of heating zone 2.
In addition, it can include being connected to the heat dissipation circulating system (not shown) of the flat-temperature zone 6 of measuring flume 200, it is used for
Heat absorption liquid in circulation constant temperature area 6, to discharge the heat accumulated in flat-temperature zone 6.
In the illustrated embodiment, insulating layer 10 is also covered in the outside of heating zone 2.Insulating layer 10 can be by any conjunction
Suitable temperature insulating material is constituted, such as asbestos etc..Certainly, insulating layer 10 can not also be covered in the outside of heating zone 2.
If tested energy converter is emitted in heating zone 2, standard transducer is received in measurement zone 8, then
The emitting performance of tested energy converter can be measured.It is of course also possible to be that standard transducer is emitted in measurement zone 8, it is tested
Energy converter is received in heating zone 2, then what is measured at this time is the receptivity of tested energy converter.In the feelings of the prior art
Under condition, no matter which kind of above-mentioned situation, sound wave can all be heated flat-temperature zone 6 between area 2 and measurement zone 8 and thermal insulation block 7 stops,
To influence the transmitting of sound wave.But in the present invention, the slot body 9 of measuring flume 200 is utilized to transmitting acoustic wave energy.In this feelings
Under condition, the transmission path of acoustic wave energy is following situation: to be heated into heating zone 2 from the tested energy converter in heating zone 2
Liquid then passes to slot body 9, the liquid being thereafter forwarded in measurement zone 8, finally reaches the standard transducer in measurement zone 8；Or
It can be reverse path.Slot body 9 constitutes the acoustic wave energy transmission path between tested energy converter and standard transducer as a result,
A part.
It should be understood that a part for constituting acoustic wave energy transmission path refers to: slot body 9 can be equivalent to acoustic propagation
Waveguide so that sound wave is in the energy loss very little wherein propagated；Alternatively, even if considering propagation of the sound wave in the waveguide
When leakage, and the absorption in view of material itself to acoustic wave energy, but these losses be all it is constant, do not interfere with
Accurate measurement to acoustic wave transducer temperature performance.
Acoustic wave transducer temperature performance test device 100 of the invention can be using more heat-insulated material come real as a result,
It is now abundant heat-insulated between tested energy converter and standard transducer, while will not influence the transmitting of acoustic wave energy, so as to right
Acoustic wave transducer temperature performance is accurately measured.
So far, although those skilled in the art will appreciate that multiple exemplary realities have at large had shown and described herein
Apply example, still, without departing from the spirit and scope of the present invention, can still be directly determined according to present disclosure or
Derive many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the invention should be understood and defined as covering
All such other variations or modifications are covered.
Claims (10)
1. a kind of acoustic wave transducer temperature performance test device, comprising:
Heater；
Measuring flume comprising:
The slot body of elongation and upward opening；
Positioned at the end at slot body both ends, the slot body is closed in the end；
Wherein, the measuring flume is divided into heating zone, measurement zone and between the heating zone and the measurement zone
At least one flat-temperature zone, the heating zone accommodate the liquid to be heated, and are also a housing for tested energy converter, the measurement zone
Liquid is accommodated, and is also a housing for standard transducer, the flat-temperature zone accommodates heat absorption liquid, is added with absorbing from described
The heat of hot-zone；
Wherein, the heater is located in the heating zone of the measuring flume, for heating the hot liquid to be added in the heating zone；
And
Wherein, the slot body of the measuring flume constitutes the transmitting of the acoustic wave energy between the tested energy converter and the standard transducer
The a part in path.
2. acoustic wave transducer temperature performance test device as described in claim 1, which is characterized in that the slot body is by metal material
Material is constituted.
3. acoustic wave transducer temperature performance test device as described in claim 1, which is characterized in that by the measuring flume
The measuring flume is divided into multiple areas by middle setting thermal insulation block.
4. acoustic wave transducer temperature performance test device as described in claim 1, further includes heat dissipation circulating system, the heat dissipation
The circulatory system is connected to the flat-temperature zone of the measuring flume, for recycling the heat absorption liquid, to discharge product in the flat-temperature zone
Tired heat.
5. acoustic wave transducer temperature performance test device as described in claim 1 further includes being arranged in the heating zone
Temperature detector.
6. acoustic wave transducer temperature performance test device as described in claim 1, which is characterized in that in the heating zone to
Liquid in heating liquid and the measurement zone is oil or water, and the heat absorption liquid in the flat-temperature zone is mixture of ice and water.
7. acoustic wave transducer temperature performance test device as described in claim 1, which is characterized in that the outside of the heating zone
Covering is with insulating layer.
8. acoustic wave transducer temperature performance test device as described in claim 1 further includes for being covered on the heating zone
On cover board.
9. acoustic wave transducer temperature performance test device as claimed in claim 8, which is characterized in that the heater setting exists
On the cover board.
10. acoustic wave transducer temperature performance test device as claimed in claim 8 further includes the temperature being arranged on the cover board
Spend detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510127307.2A CN106154353B (en) | 2015-03-23 | 2015-03-23 | Acoustic wave transducer temperature performance test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510127307.2A CN106154353B (en) | 2015-03-23 | 2015-03-23 | Acoustic wave transducer temperature performance test device |
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| Publication Number | Publication Date |
|---|---|
| CN106154353A CN106154353A (en) | 2016-11-23 |
| CN106154353B true CN106154353B (en) | 2019-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510127307.2A Active CN106154353B (en) | 2015-03-23 | 2015-03-23 | Acoustic wave transducer temperature performance test device |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048699A (en) * | 2012-12-19 | 2013-04-17 | 中国石油天然气集团公司 | Temperature resistance test device of sonic logging transducer |
| CN203204178U (en) * | 2013-04-22 | 2013-09-18 | 中国水产科学研究院东海水产研究所 | Simple standard object correcting device for acoustic detector |
| CN103943772A (en) * | 2013-01-21 | 2014-07-23 | 北京大学 | Single-piece piezoelectric transducer and manufacturing method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9232315B2 (en) * | 2011-03-16 | 2016-01-05 | Phonon Corporation | Monolithically applied heating elements on saw substrate |
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2015
- 2015-03-23 CN CN201510127307.2A patent/CN106154353B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048699A (en) * | 2012-12-19 | 2013-04-17 | 中国石油天然气集团公司 | Temperature resistance test device of sonic logging transducer |
| CN103943772A (en) * | 2013-01-21 | 2014-07-23 | 北京大学 | Single-piece piezoelectric transducer and manufacturing method thereof |
| CN203204178U (en) * | 2013-04-22 | 2013-09-18 | 中国水产科学研究院东海水产研究所 | Simple standard object correcting device for acoustic detector |
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| CN106154353A (en) | 2016-11-23 |
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