CN105043528A - Optical fiber hydrophone sound pressure phase shift sensitivity test vacuum water bubble elimination device - Google Patents

Optical fiber hydrophone sound pressure phase shift sensitivity test vacuum water bubble elimination device Download PDF

Info

Publication number
CN105043528A
CN105043528A CN201510446034.8A CN201510446034A CN105043528A CN 105043528 A CN105043528 A CN 105043528A CN 201510446034 A CN201510446034 A CN 201510446034A CN 105043528 A CN105043528 A CN 105043528A
Authority
CN
China
Prior art keywords
pressure vessel
fibre optic
shift sensitivity
test
vacuum
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510446034.8A
Other languages
Chinese (zh)
Inventor
张海兵
申和平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WUHAN PUHUI OCEAN PHOTOELECTRIC TECHNOLOGY Co Ltd
BEIJING SHENZHOU PUHUI SCIENCE & TECHNOLOGY Co Ltd
Original Assignee
WUHAN PUHUI OCEAN PHOTOELECTRIC TECHNOLOGY Co Ltd
BEIJING SHENZHOU PUHUI SCIENCE & TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by WUHAN PUHUI OCEAN PHOTOELECTRIC TECHNOLOGY Co Ltd, BEIJING SHENZHOU PUHUI SCIENCE & TECHNOLOGY Co Ltd filed Critical WUHAN PUHUI OCEAN PHOTOELECTRIC TECHNOLOGY Co Ltd
Priority to CN201510446034.8A priority Critical patent/CN105043528A/en
Publication of CN105043528A publication Critical patent/CN105043528A/en
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

The invention relates to an optical fiber hydrophone sound pressure phase shift sensitivity test vacuum water bubble elimination device which comprises a pumping/vent vacuum pipeline, a pressure vessel, a vacuum gauge, a pressure gauge, a test fixture and an inlet/drain pipeline. The pressure vessel is composed of a body and a seal cover. The device is characterized in that the seal cover and the body are closely connected; the vacuum gauge and the pressure gauge are arranged on the seal cover; the vacuum gauge and the pressure gauge are respectively provided with a control switch; the body is provided with two mounting holes; the pumping/vent vacuum pipeline is arranged in one mounting hole; the inlet/drain pipeline is arranged in the other mounting hole; the pumping/vent vacuum pipeline and the inlet/drain pipeline are respectively provided with a control switch; and the test fixture is fixed within the body. According to the invention, through vacuum pumping, the device automatically eliminate bubbles in an optical fiber hydrophone; misjudgement caused by residual bubbles and human action are avoided; and the sound pressure phase shift sensitivity of the optical fiber hydrophone is not affected.

Description

Air bubble apparatus in a kind of fibre optic hydrophone acoustic pressure shift sensitivity test vaccum dewatering
Technical field
The present invention relates to air bubble apparatus in a kind of fibre optic hydrophone acoustic pressure shift sensitivity test vaccum dewatering, remaining bubble specifically for removing before the online pressure test of fibre optic hydrophone in water in fibre optic hydrophone.
Background technology
The general step that fibre optic hydrophone is carrying out the test of acoustic pressure shift sensitivity is: existing by water-filling in proving installation---fibre optic hydrophone is put into water together with standard piezoelectric nautical receiving set, and---manually removing the bubble (rocking) of fibre optic hydrophone---carries out the test of acoustic pressure shift sensitivity.
But when water put into by fibre optic hydrophone, due to its design feature, have subregion and there is bubble, see pore in Fig. 2, and not easily remove clean.In acoustic pressure shift sensitivity test process, if there is bubble in fibre optic hydrophone, test result distortion can be caused.The conventional method removing bubble in fibre optic hydrophone is removed by the manual shake removal of people or ultrasound wave, but effect is undesirable.
When manually removing the step of bubble in fibre optic hydrophone, owing to being manual operations, to in fibre optic hydrophone, whether residual bubble cannot accurately judge, can only be inferred by the result of follow-up acoustic pressure shift sensitivity test, be unfavorable for the carrying out of test process, the strength of simultaneously rocking cannot accurate assurance, likely can cause damage to fibre optic hydrophone.
From related scientific research article, the clearance of known ultrasound wave removal bubble is lower, cannot remove completely, not be suitable in fibre optic hydrophone, and the vibration that ultrasound wave produces may cause damage to optical passive component.
Therefore need a kind of device, after making fibre optic hydrophone remove the bubble wherein existed in water, then carry out the test of acoustic pressure shift sensitivity.
Summary of the invention
The object of the invention is to solve the problem, and air bubble apparatus in a kind of fibre optic hydrophone acoustic pressure shift sensitivity test vaccum dewatering of design.By vacuumizing, automatically removing the bubble in fibre optic hydrophone, avoiding gas bubbles left to judge by accident and manual operation, in order to avoid affect fibre optic hydrophone acoustic pressure shift sensitivity.
Technical solution of the present invention is:
Air bubble apparatus in a kind of fibre optic hydrophone acoustic pressure shift sensitivity test vaccum dewatering, comprise and take out/let out vacuum pipe, pressure vessel, vacuum meter, tensimeter, test fixture, enter/drainage pipeline, pressure vessel is made up of body, gland bonnet, it is characterized in that: compact siro spinning technology between gland bonnet and body, capping is provided with vacuum meter, tensimeter, vacuum meter, tensimeter respectively have a gauge tap; Body is provided with two mounting holes, and mounting hole is installed and taken out/let out vacuum pipe, and another mounting hole is installed into/drainage pipeline, take out/let out vacuum pipe, enter/and drainage pipeline respectively has a gauge tap; Test fixture is fixed in body.
The present invention also comprises base, and the body of described pressure vessel is fixed on base.
The present invention also comprises handwheel, and handwheel is arranged on gland bonnet, adopts screw thread compact siro spinning technology between gland bonnet and body, rotates the gland bonnet on the body of closure or openness pressure vessel by handwheel.The gland bonnet of pressure vessel and body also can be connected and fixed mode with other.
The body of pressure vessel extracts and vacuum of releasing by taking out/letting out vacuum pipe.Pressurize by taking out/releasing vacuum pipe and carry out (gas, as air) and release.
The body of pressure vessel carries out (liquid, as water) by water inlet/drainage pipeline and pressurizes and release.
Described take out/let out vacuum pipe and enter/drainage pipeline is pressure pipeline.
The body of described pressure vessel is provided with an annular groove, and test fixture is fixed on the annular groove of pressure vessel body.
Described take out/let out vacuum pipe mounting hole and be located at more than 2/3 height of pressure vessel or take out/let out vacuum pipe mounting hole and be located on gland bonnet.
Wherein on the body or gland bonnet of pressure vessel, be provided with 1 or 2 holes, link pressure vessel outside for the cable of standard hydrophone and the optical fiber of testing fiber nautical receiving set, this hole is provided with seal member simultaneously.
Vacuum meter of the present invention and tensimeter are arranged on sealing for pressure vessels and cover, and respectively have a gauge tap.When vacuumizing, vacuum meter switch open, pressure meter switch is closed; During pressurization, vacuum meter switch cuts out, and pressure meter switch is opened.
The present invention, by vacuumizing, removes the bubble in fibre optic hydrophone automatically, avoids gas bubbles left to judge by accident and manual operation, in order to avoid affect fibre optic hydrophone acoustic pressure shift sensitivity.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the schematic diagram that territory, fibre optic hydrophone internal zone dividing exists bubble.
In figure: base 1, take out/let out vacuum pipe 2, pressure holds 9, gland bonnet 3, handwheel 4, vacuum meter 5, tensimeter 6, test fixture 10, standard hydrophone 7, testing fiber nautical receiving set 8, enters/drainage pipeline 11.
Embodiment
The invention will be further described by reference to the accompanying drawings.
As shown in Figure 1, the present invention includes base 1, take out/let out vacuum pipe 2, pressure vessel, handwheel 4, vacuum meter 5, tensimeter 6, test fixture 10, enter/drainage pipeline 11, pressure vessel is made up of body 9, gland bonnet 3, it is characterized in that: the body 9 of described pressure vessel is fixed on base 1, screw thread compact siro spinning technology is adopted between gland bonnet 3 and body 9, capping 3 is provided with vacuum meter 5, tensimeter 6, vacuum meter 5, tensimeter 6 respectively have a gauge tap; Body 9 is provided with two mounting holes, a mounting hole is installed and is taken out/let out vacuum pipe 2, and take out/let out vacuum pipe 2 mounting hole and be located at more than 2/3 height of pressure vessel, another mounting hole is installed into/drainage pipeline 11, take out/let out vacuum pipe 2, enter/and drainage pipeline 11 respectively has a gauge tap; The body of described pressure vessel is provided with an annular groove, and test fixture 10 is fixed in the annular groove of body 9; Handwheel 4 is arranged on gland bonnet 3, rotates the gland bonnet 3 on the body 9 of closure or openness pressure vessel by handwheel 4.Described take out/let out vacuum pipe 2 and enter/drainage pipeline 8 is pressure pipeline.
Wherein can also be provided with 1 or 2 holes on the body 9 of pressure vessel or gland bonnet 3, link pressure vessel outside for the cable of standard hydrophone 7 and the optical fiber of testing fiber nautical receiving set 8, this hole is provided with seal member simultaneously.
The body 9 of pressure vessel to extract and releases vacuum by taking out/letting out vacuum pipe 2.Carry out (gas, as air) and pressurize by taking out/releasing vacuum pipe 2 and release.
The body 9 of pressure vessel carries out (liquid, as water) by water inlet/drainage pipeline 8 and pressurizes and release.
The present invention uses as follows:
1, check that pressure vessel is in serviceable condition, close vacuum meter 5 switch, opening pressure table 6 switch.
2, open the gauge tap on/drainage pipeline 8, by entering/drainage pipeline 8 to water filling in the body 9 of pressure vessel, water level is no more than the mounting hole taking out/let out vacuum pipe 2 in pressure vessel, closes into/drainage pipeline 8 after completing water filling.
3, be fixed on test fixture 6 by standard hydrophone 7 and testing fiber nautical receiving set 8, the optical fiber on the cable on standard hydrophone 7 and testing fiber nautical receiving set 8 is placed on test fixture 6 level frame fixing.Again test fixture 6 is fixed on the body 9 of pressure vessel together with standard hydrophone 7 and testing fiber nautical receiving set 8.
4, be placed on the body 9 of pressure vessel by gland bonnet 3, turn clockwise handwheel 4, and the body 9 of gland bonnet 3 and pressure vessel is closely screwed.
5, vacuum meter 5 switch is opened, closing presure table 6 switch.
6, the switch taken out/let out on vacuum pipe 2 is opened, vacuum in the body 9 of pressure vessel is extracted out, until after specified vacuum degree, close the switch taken out/let out on vacuum pipe 2, after keeping a period of time, open the switch taken out/let out on vacuum pipe 2 to release vacuum, make progressively to return to and external atmosphere pressure dynamic balance in the body 9 of pressure vessel.
7, open and remove gland bonnet 3, checking the state of the body 9 Plays nautical receiving set 7 of pressure vessel and testing fiber nautical receiving set 8, test fixture 6.
The principle of overflowing after becoming Major disruptionL under vacuum conditions by bubble trickle in water, due to fibre optic hydrophone reasons in structure, bubble removal residual on fibre optic hydrophone in water.
Using device of the present invention, when not taking out fibre optic hydrophone in water, after eliminating bubble residual on it, the test of acoustic pressure shift sensitivity being carried out to fibre optic hydrophone.

Claims (7)

1. air bubble apparatus in a fibre optic hydrophone acoustic pressure shift sensitivity test vaccum dewatering, comprise and take out/let out vacuum pipe, pressure vessel, vacuum meter, tensimeter, test fixture, enter/drainage pipeline, pressure vessel is made up of body, gland bonnet, it is characterized in that: compact siro spinning technology between gland bonnet and body, capping is provided with vacuum meter, tensimeter, vacuum meter, tensimeter respectively have a gauge tap; Body is provided with two mounting holes, and mounting hole is installed and taken out/let out vacuum pipe, and another mounting hole is installed into/drainage pipeline, take out/let out vacuum pipe, enter/and drainage pipeline respectively has a gauge tap; Test fixture is fixed in body.
2. air bubble apparatus in fibre optic hydrophone acoustic pressure shift sensitivity test vaccum dewatering according to claim 1, it is characterized in that: also comprise base, the body of described pressure vessel is fixed on base.
3. air bubble apparatus in fibre optic hydrophone acoustic pressure shift sensitivity test vaccum dewatering according to claim 1 and 2, it is characterized in that: also comprise handwheel, handwheel is arranged on gland bonnet.
4. air bubble apparatus in fibre optic hydrophone acoustic pressure shift sensitivity according to claim 3 test vaccum dewatering, is characterized in that: described take out/let out vacuum pipe and enter/and drainage pipeline is pressure pipeline.
5. air bubble apparatus in fibre optic hydrophone acoustic pressure shift sensitivity test vaccum dewatering according to claim 3, is characterized in that: the body of described pressure vessel is provided with an annular groove, and test fixture is fixed on the annular groove of pressure vessel body.
6. air bubble apparatus in fibre optic hydrophone acoustic pressure shift sensitivity according to claim 1 test vaccum dewatering, is characterized in that: described take out/let out vacuum pipe mounting hole and be located at more than 2/3 height of pressure vessel or take out/let out vacuum pipe mounting hole and be located on gland bonnet.
7. air bubble apparatus in fibre optic hydrophone acoustic pressure shift sensitivity test vaccum dewatering according to claim 1, is characterized in that: on the body or gland bonnet of pressure vessel, be provided with 1 or 2 holes, this hole is provided with seal member simultaneously.
CN201510446034.8A 2015-07-27 2015-07-27 Optical fiber hydrophone sound pressure phase shift sensitivity test vacuum water bubble elimination device Pending CN105043528A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510446034.8A CN105043528A (en) 2015-07-27 2015-07-27 Optical fiber hydrophone sound pressure phase shift sensitivity test vacuum water bubble elimination device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510446034.8A CN105043528A (en) 2015-07-27 2015-07-27 Optical fiber hydrophone sound pressure phase shift sensitivity test vacuum water bubble elimination device

Publications (1)

Publication Number Publication Date
CN105043528A true CN105043528A (en) 2015-11-11

Family

ID=54450252

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510446034.8A Pending CN105043528A (en) 2015-07-27 2015-07-27 Optical fiber hydrophone sound pressure phase shift sensitivity test vacuum water bubble elimination device

Country Status (1)

Country Link
CN (1) CN105043528A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6454835B1 (en) * 2000-06-02 2002-09-24 Scitex Digital Printing, Inc. Two-phase flow separator
CN101519809A (en) * 2008-02-27 2009-09-02 邵阳纺织机械有限责任公司 High-viscosity fluid defoaming method and device thereof
CN101648461A (en) * 2008-08-15 2010-02-17 Icf科技有限公司 Bubble removal system and bubble removal method
CN101813513A (en) * 2010-01-07 2010-08-25 中国科学院半导体研究所 Hydrophone testing device
CN202666764U (en) * 2012-07-06 2013-01-16 艾伦塔斯电气绝缘材料(铜陵)有限公司 Quick de-foaming device for high-speed dispersion machine of laboratory
CN204831536U (en) * 2015-07-27 2015-12-02 北京神州普惠科技股份有限公司 Aquatic bubble device is removed in fibre optic hydrophone acoustic pressure phase shift sensitivity test vacuum

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6454835B1 (en) * 2000-06-02 2002-09-24 Scitex Digital Printing, Inc. Two-phase flow separator
CN101519809A (en) * 2008-02-27 2009-09-02 邵阳纺织机械有限责任公司 High-viscosity fluid defoaming method and device thereof
CN101648461A (en) * 2008-08-15 2010-02-17 Icf科技有限公司 Bubble removal system and bubble removal method
CN101813513A (en) * 2010-01-07 2010-08-25 中国科学院半导体研究所 Hydrophone testing device
CN202666764U (en) * 2012-07-06 2013-01-16 艾伦塔斯电气绝缘材料(铜陵)有限公司 Quick de-foaming device for high-speed dispersion machine of laboratory
CN204831536U (en) * 2015-07-27 2015-12-02 北京神州普惠科技股份有限公司 Aquatic bubble device is removed in fibre optic hydrophone acoustic pressure phase shift sensitivity test vacuum

Similar Documents

Publication Publication Date Title
US20170059443A1 (en) Air-tightness test equipment for turbine reduction gearbox
CN203249742U (en) Water leakage detection device for washing kettle
CN104101469A (en) Leakage detection device of ultrafiltration water purification equipment and control method
CN204831536U (en) Aquatic bubble device is removed in fibre optic hydrophone acoustic pressure phase shift sensitivity test vacuum
CN207877718U (en) The micro-fluidic sampling device of bubble-free of cell solution
CN104359718A (en) Ship ballast water automatic sampling device
JP2007240373A (en) Membrane damage detection device and method for filtration system for water treatment
US3516284A (en) Leak detector
CN202590641U (en) Automatic testing device of flat film
JPH05137977A (en) Detection of separation membrane breakage for membrane filter
CN102989324A (en) Hygienic integrity test for ultra-filtration assemblies
CN105043528A (en) Optical fiber hydrophone sound pressure phase shift sensitivity test vacuum water bubble elimination device
CN102313691A (en) Tester and test method for reverse bubble point of single filter core
CN109557011A (en) A kind of waterproof ventilated membrane waterproof detection method and detection device
CN106644254B (en) Pressure transmitter on-bne repair method and its on-bne repair system
CN104266952A (en) Pore diameter detection device of porous material
CN111413043A (en) Device and method for detecting sealing performance of sealing element
JP2014226613A (en) Leak inspection method of hollow fiber membrane module
MY172882A (en) Method and device for removing a contact lens from a container
JP2005296908A (en) Membrane filtering device and membrane breakage sensing method
CN204640824U (en) Vacuum pumping opening device
CN103207053B (en) Windshield Washer leakage inspector
CN209559717U (en) A kind of waterproof ventilated membrane waterproof detection device
CN205826223U (en) Drag-line leak tightness test device
JP2006226947A (en) Operation inspection system of excessive flow rate blocking valve and operation inspecting method, and draining device used for the same

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20151111