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 PDFInfo
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- 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
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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
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.
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 |
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| CN105043528A true CN105043528A (en) | 2015-11-11 |
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| 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 |
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Citations (6)
| 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 |
-
2015
- 2015-07-27 CN CN201510446034.8A patent/CN105043528A/en active Pending
Patent Citations (6)
| 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 |
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Application publication date: 20151111 |