CN104316342A - Underwater comprehensive pressure testing device - Google Patents
Underwater comprehensive pressure testing device Download PDFInfo
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- CN104316342A CN104316342A CN201410658318.9A CN201410658318A CN104316342A CN 104316342 A CN104316342 A CN 104316342A CN 201410658318 A CN201410658318 A CN 201410658318A CN 104316342 A CN104316342 A CN 104316342A
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Abstract
The invention relates to an underwater comprehensive pressure testing device. The underwater comprehensive pressure testing device comprises a pressurization testing cabin, a model structural body, a pressurization device, an optical fiber demodulation instrument and a computer with a collecting card. The top of the pressurization testing cabin is provided with a photoelectricity connector and sensor installation assembly and a water inlet, a water outlet is formed in the bottom of a testing cabin body, and a guide rail is arranged inside the testing cabin body; the model structural body is provided with an electric connector and optical fiber connector connection assembly, the electric connector and optical fiber connector connection assembly comprises an optical fiber connector and an electric connector, and idler wheels are arranged at the bottom of a model barrel; the inner wall and the outer wall of the model barrel are provided with an FBG strain transducer and a strain gage, the FBG strain transducer is connected with the optical fiber demodulation instrument through the optical fiber connector, and the strain gage is connected with the computer with the collecting card through the electric connector; the pressurization device comprises a pressure gage, a control cabinet, a booster pump and a water tank; the booster pump is connected with the water inlet through a pipeline. According to the underwater comprehensive pressure testing device, underwater stress-strain and underwater sound tests on a submersible in a laboratory can be completed.
Description
Technical field
The invention belongs to exploration of ocean resources and fields of measurement, be specifically related to a kind of Underwater Pressure combined test apparatus.
Background technology
Current international situation, ocean resources have become the major domain of various countries' focus development, and the exploitation of the performance of underwater vehicle and underwater sound measuring equipment to ocean resources plays decisive role, laboratory development simulated dive device and underwater acoustic measurement device, have important directive significance to the structural design of underwater vehicle and the performance design of underwater acoustic measurement device.Current simulated dive device hydraulic testing equipment both domestic and external, only possesses hydraulic testing function, cannot carry out the hydraulic testing to underwater acoustic measurement equipment simultaneously, also the device of not additional underwater sound test function.For this reason, need to propose a kind of Underwater Pressure combined test apparatus.
Summary of the invention
The object of this invention is to provide a kind of Underwater Pressure combined test apparatus that can carry out underwater vehicle stress-strain test and underwater sound test under water in laboratory, to solve problems of the prior art.
The object of the invention is to be realized by following technical proposals: a kind of Underwater Pressure combined test apparatus, comprise the computing machine of applied voltage test cabin, model structure body, pressue device, optical fibre interrogation instrument, band capture card;
Described applied voltage test cabin comprises experimental cabin body and hatchcover, described experimental cabin body is fixedly connected sequentially is formed by cabin body end socket, cabin body, cabin end of body, be tightly connected between described experimental cabin body and described hatchcover, the top of described experimental cabin body is provided with opto-electric connector and sensor mount assemblies, inlet opening, the bottom of described experimental cabin body is provided with apopore, bottom in described experimental cabin body is provided with track-type facilities, and the sidewall of described experimental cabin body is provided with ring flange;
Described model structure body comprises model cylindrical shell and blind flange, described model cylindrical shell is fixedly connected sequentially is formed by cylindrical shell end socket, cylindrical shell, barrel end, be tightly connected between described model cylindrical shell and described blind flange, the sidewall of described model cylindrical shell is provided with electric connector and joints of optical fibre coupling assembling, described electric connector and joints of optical fibre coupling assembling comprise the joints of optical fibre and electric connector, described blind flange is provided with ring flange, and the bottom of described model cylindrical shell is provided with the roller coordinated with the track-type facilities in described applied voltage test cabin; The inwall of described model cylindrical shell is provided with fiber Bragg grating strain sensor and foil gauge, the outer wall of described model cylindrical shell is provided with fiber Bragg grating strain sensor and foil gauge; Ring flange on described blind flange is connected with the ring flange of described experimental cabin body by cable protective passage;
Described fiber Bragg grating strain sensor is connected with described optical fibre interrogation instrument by the described joints of optical fibre, and described foil gauge is connected with the computing machine of described band capture card by described electric connector;
Described pressue device comprises tensimeter, switch board, supercharge pump, water tank; Described supercharge pump is connected with described inlet opening by pipeline.
The present invention compared with prior art tool has the following advantages:
Underwater Pressure combined test apparatus of the present invention adopts connector installation component form to realize the communication of inside and outside, cabin, and cabin body being provided with pressure and temperature sensor can the temperature, pressure change of body inside, Real-Time Monitoring cabin; Be equipped with guide rail bottom the body of cabin, bottom model structure body, be provided with the roller rolled on track-type facilities, can in cabin the stress-strain tester of implementation model structure; Two ends, applied voltage test cabin are respectively equipped with the mounting base of sound source and nautical receiving set, can realize underwater sound test in cabin.This test unit can build a multi-functional Underwater Pressure test platform in laboratory, ess-strain situation and underwater sound test that different water depth environment drag structure bears can be simulated, shorten the R&D cycle of underwater vehicle widely, save the cost of hydraulic pressure underwater sound test.
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Accompanying drawing explanation
Fig. 1 is the structural representation in applied voltage test cabin of the present invention;
Fig. 2 is the structural representation of model structure body;
Fig. 3 is the schematic diagram of stress-strain test test under water;
Fig. 4 is underwater sound testing experiment schematic diagram.
Embodiment
See Fig. 1, Fig. 2, a kind of Underwater Pressure combined test apparatus, comprises the computing machine of applied voltage test cabin, model structure body, pressue device, optical fibre interrogation instrument, band capture card;
Described applied voltage test cabin comprises experimental cabin body and hatchcover 4, described experimental cabin body is fixedly connected sequentially is formed by cabin body end socket 1, cabin body 2, cabin end of body 3, be tightly connected between described experimental cabin body and described hatchcover, the top of described experimental cabin body is provided with opto-electric connector and sensor mount assemblies 5, inlet opening 14, the bottom of described experimental cabin body is provided with apopore 15, bottom in described experimental cabin body is provided with track-type facilities 6, and the sidewall of described experimental cabin body is provided with ring flange 16;
Described model structure body comprises model cylindrical shell and blind flange 10, described model cylindrical shell is fixedly connected sequentially is formed by cylindrical shell end socket 7, cylindrical shell 8, barrel end 9, be tightly connected between described model cylindrical shell and described blind flange, the sidewall of described model cylindrical shell is provided with electric connector and joints of optical fibre coupling assembling 11, described electric connector and joints of optical fibre coupling assembling comprise the joints of optical fibre and electric connector, described blind flange is provided with ring flange 12, and the bottom of described model cylindrical shell is provided with the roller 13 coordinated with the track-type facilities in described applied voltage test cabin; The inwall of described model cylindrical shell is provided with fiber Bragg grating strain sensor and foil gauge, the outer wall of described model cylindrical shell is provided with fiber Bragg grating strain sensor and foil gauge; Ring flange 12 on described blind flange is connected by the ring flange 16 of cable protective passage with described experimental cabin body;
Described fiber Bragg grating strain sensor is connected with described optical fibre interrogation instrument by the described joints of optical fibre, and described foil gauge is connected with the computing machine of described band capture card by described electric connector;
Described pressue device comprises tensimeter, switch board, supercharge pump, water tank; Described supercharge pump is connected with described inlet opening by pipeline.
Further, described opto-electric connector and sensor mount assemblies comprise the joints of optical fibre, electric connector, temperature sensor (CWJ-4065 that Chinese electric section 49 produces), pressure transducer (CUY-YZ-317C2 that Chinese electric section 49 produces), exhausr port.Pressure transducer, temperature sensor are all conventional sensors, export as voltage signal, are connected with the capture card of computing machine.
The joints of optical fibre that opto-electric connector and sensor mount assemblies 5 and electric connector and joints of optical fibre coupling assembling 11 adopt are products of same model, and the electric connector of employing is also the product of same model.Not being both of opto-electric connector and sensor mount assemblies 5 and electric connector and joints of optical fibre coupling assembling 11: electric connector and joints of optical fibre coupling assembling 11 only comprise the joints of optical fibre and electric connector, and opto-electric connector and sensor mount assemblies 5 comprise the joints of optical fibre, electric connector, temperature sensor, pressure transducer, exhausr port etc.Opto-electric connector is more than the function of electric connector and joints of optical fibre coupling assembling 11 with sensor mount assemblies 5, except as cable transmission use, also can using sensor collecting temperature and pressure signal, can also be vented.
In the present embodiment, described applied voltage test cabin comprises a tubular experimental cabin body, experimental cabin body one end is provided with a hatchcover 4, perforate on the bulkhead of experimental cabin body, be provided with inlet opening 14, apopore 15, with the channel attached ring flange 16 of cable protective, photosignal connector and sensor mount assemblies 5.Carry out water filling by water inlet 14, exhausr port in applied voltage test cabin, photosignal connector and sensor mount assemblies are used for mounting temperature sensor, pressure transducer, and the optical fiber cable in experimental cabin and cable are led to out of my cabin.Bottom level in experimental cabin body is provided with track-type facilities 6.Described track-type facilities is two guide rails be arranged in parallel.
The bottom of described model structure body is provided with the roller 13 that two rows match with guide rail in experimental cabin body, one end is provided with a blind flange 10, blind flange is provided with the channel attached ring flange 12 with cable protective, and model cylindrical shell is provided with electric connector and joints of optical fibre coupling assembling 11.
Described pressue device major function is to the water filling of applied voltage test cabin, produces the water pressure of simulated deep-sea environment.Comprise tensimeter, the devices such as switch board, supercharge pump, water tank.By controlling the opening and closing of supercharge pump, realize pressurization, pressure release and pressure holding function in pressure chamber.
The connection of applied voltage test cabin internal optical fiber grating strain transducer cable, foil gauge electric wire cable, sound source and nautical receiving set optical cable or electric wire cable and the computing machine of applied voltage test out of my cabin with capture card, optical fibre interrogation instrument, power supply etc. can be realized by coupling assembling.For applied voltage test cabin inner fiber grating strain transducer, foil gauge, sound source and nautical receiving set provide corresponding power supply and light source (in optical fibre interrogation instrument automatic light source), and outputed signal by computer acquisition card and the collection of optical fibre interrogation instrument, process showing.
Described opto-electric connector and sensor mount assemblies 5, electric connector and joints of optical fibre coupling assembling 11 and cable protective passage constitute coupling assembling.Opto-electric connector and sensor mount assemblies mainly comprise the joints of optical fibre, electric connector and temperature sensor, pressure transducer, exhausr port etc., electric connector and joints of optical fibre coupling assembling mainly comprise the joints of optical fibre (such as: OptoLink API series fibre connector) and electric connector (such as: SM30GZ4K-S deep water electric connector), and cable protective passage mainly comprises metal hose and supporting ring flange etc.
Further, the inside in described applied voltage test cabin is provided with sound source and nautical receiving set, described sound source is connected with power supply with the electric connector in sensor mount assemblies by described opto-electric connector, and described nautical receiving set is connected with the computing machine of the electric connector in sensor mount assemblies with described band capture card by described opto-electric connector.Inner with Brace allocation in applied voltage test cabin, installing sound source and nautical receiving set, sound source and hydrophone position are greater than 1.4 meters (during the extended length in applied voltage test cabin, sound source and nautical receiving set distance can increase).
It is inner that technique scheme enters applied voltage test cabin by model structure body, pressurizeed by water filling, can the true pressurized situation of simulated dive device under different water depth, thus realize the stress-strain test under water to underwater vehicle.By model structure body is withdrawn from applied voltage test cabin, in applied voltage test cabin, inner assigned address installs sound source and nautical receiving set, thus can carry out the underwater sound testing experiment under different water depth.
Illustrate the using method of Underwater Pressure combined test apparatus below:
See Fig. 3, the first step, applied voltage test out of my cabin implementation model structure need measuring point (inner and outer wall) installing optical fibres grating strain transducer (such as: the os3100 of MOI company) and foil gauge, the optical fiber cable of the fiber Bragg grating strain sensor of outer wall and the electric wire cable of foil gauge are incorporated into model structure body inside by electric connector and joints of optical fibre coupling assembling 11, and with the optical fiber cable of the fiber Bragg grating strain sensor of inwall and the electric wire cable of foil gauge, from cable protective passage, to lead to model structure in the lump external, by bolt, model cylindrical shell and blind flange are locked, realize water-stop to connect.
Second step, model structure body after locking is pushed assigned address in experimental cabin body (can close the optional position of applied voltage test cabin hatchcover) along applied voltage test cabin internal guide rail, the roller of locking model structure body, prevent it from sliding arbitrarily, by the flange of protection channel on metal hose (such as: the DN100 L2500mm loose flange of Xin Xin company) link model structure and bulkhead, optical fiber cable and electric wire cable are led to applied voltage test out of my cabin by metal hose, optical fiber cable after extraction is connected in the optical-fibre channel of optical fibre interrogation instrument (such as: the SM125 of MOI), electric wire cable after extraction is connected on the capture card (such as: the PCI-3361 of Fan Hua observing and controlling company) of computing machine (such as: Lenovo Qitian M7300), applied voltage test cabin cabin body and hatchcover are locked by bolt, realize water-stop and connect, carry out water filling by bulkhead water inlet and suppress, exhausr port is exhausted.
3rd step, power supply, debugging optical fiber grating strain transducer and foil gauge, make it export correct signal.
4th step, supercharge pump (such as: 4DY [165/6.3 ~ 15/80]]) is controlled by switch board, progressively increase hydraulic pressure, simulation different water depth environment, test pressure can need to arrange according to difference, reaches as high as 10MPa (if the size changing applied voltage test cabin and model structure body by pressure increase to more than 10MPa); According to the force value that bulkhead upward pressure table (such as: YN10-0-16mpa) shows, stressed size can be controlled, when in cabin, pressure reaches test set pressure, the strain data that in experimentation, fiber Bragg grating strain sensor and foil gauge produce is shown by computing machine out of my cabin and fiber Bragg grating (FBG) demodulator collection, by data analysis, the stress distribution situation of model structure body can be obtained.
See Fig. 4, the 5th step, controls supercharge pump by switch board, to the pressure release draining of applied voltage test cabin, model structure body is withdrawn from applied voltage test cabin along guide rail in cabin; In cabin, assigned address (can be the optional position on axis, applied voltage test cabin) installs sound source (such as: WBT-15) and nautical receiving set (such as: 8104 of BK company of Denmark), the power lead of sound source and nautical receiving set and signal wire are led to out of my cabin by the electric connector in opto-electric connector on bulkhead and sensor mount assemblies, sound source electric wire cable after extraction is connected on power supply, and nautical receiving set electric wire cable is connected on the capture card of computing machine; Applied voltage test cabin cylindrical shell and blind flange are locked by bolt, realize water-stop and connect, carry out water filling by bulkhead water inlet and suppress, exhausr port is exhausted.
6th step, supercharge pump is controlled by switch board, progressively increase hydraulic pressure and need hydraulic pressure value to test, reach as high as 10MPa (if changing the size in applied voltage test cabin by pressure increase to more than 10MPa), when hydraulic pressure value is consistent with the hydraulic pressure value needed for test, by the acoustic data signal produced in computer acquisition underwater sound process of the test out of my cabin, by data analysis, the tests such as the phonation characteristics of sound source under different water pressures, the propagation characteristic of sound wave, the receiving feature of nautical receiving set can be completed.
The content of embodiment is only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (4)
1. a Underwater Pressure combined test apparatus, comprises the computing machine of applied voltage test cabin, model structure body, pressue device, optical fibre interrogation instrument, band capture card; It is characterized in that:
Described applied voltage test cabin comprises experimental cabin body and hatchcover, described experimental cabin body is fixedly connected sequentially is formed by cabin body end socket, cabin body, cabin end of body, be tightly connected between described experimental cabin body and described hatchcover, the top of described experimental cabin body is provided with opto-electric connector and sensor mount assemblies, inlet opening, the bottom of described experimental cabin body is provided with apopore, bottom in described experimental cabin body is provided with track-type facilities, and the sidewall of described experimental cabin body is provided with ring flange;
Described model structure body comprises model cylindrical shell and blind flange, described model cylindrical shell is fixedly connected sequentially is formed by cylindrical shell end socket, cylindrical shell, barrel end, be tightly connected between described model cylindrical shell and described blind flange, the sidewall of described model cylindrical shell is provided with electric connector and joints of optical fibre coupling assembling, described electric connector and joints of optical fibre coupling assembling comprise the joints of optical fibre and electric connector, described blind flange is provided with ring flange, and the bottom of described model cylindrical shell is provided with the roller coordinated with the track-type facilities in described applied voltage test cabin; The inwall of described model cylindrical shell is provided with fiber Bragg grating strain sensor and foil gauge, the outer wall of described model cylindrical shell is provided with fiber Bragg grating strain sensor and foil gauge; Ring flange on described blind flange is connected with the ring flange of described experimental cabin body by cable protective passage;
Described fiber Bragg grating strain sensor is connected with described optical fibre interrogation instrument by the described joints of optical fibre, and described foil gauge is connected with the computing machine of described band capture card by described electric connector;
Described pressue device comprises tensimeter, switch board, supercharge pump, water tank; Described supercharge pump is connected with described inlet opening by pipeline.
2. Underwater Pressure combined test apparatus according to claim 1, is characterized in that: described opto-electric connector and sensor mount assemblies comprise the joints of optical fibre, electric connector, temperature sensor, pressure transducer, exhausr port.
3. Underwater Pressure combined test apparatus according to claim 2, it is characterized in that: the inside in described applied voltage test cabin is provided with sound source and nautical receiving set, described sound source is connected with power supply with the electric connector in sensor mount assemblies by described opto-electric connector, and described nautical receiving set is connected with the computing machine of the electric connector in sensor mount assemblies with described band capture card by described opto-electric connector.
4. the Underwater Pressure combined test apparatus according to claim 1 or 2 or 3, is characterized in that: described cable protective passage comprises metal hose and supporting ring flange.
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Cited By (7)
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| CN105445108A (en) * | 2015-11-04 | 2016-03-30 | 江苏科技大学 | Testing device for hydrostatic pressure |
| CN106940218A (en) * | 2017-04-10 | 2017-07-11 | 深圳立仪科技有限公司 | prism spectrometer |
| CN107271174A (en) * | 2017-07-21 | 2017-10-20 | 长沙矿山研究院有限责任公司 | A kind of deepwater environment simulator stand and deepwater environment simulation experiment method |
| CN112161873A (en) * | 2020-09-16 | 2021-01-01 | 福建省特种设备检验研究院 | Hydrostatic pressure test device of robot |
| CN113280990A (en) * | 2021-06-11 | 2021-08-20 | 中国石油大学(华东) | Internal and external pressure testing device for underwater equipment and experimental method |
| CN114252254A (en) * | 2020-09-24 | 2022-03-29 | 中国石油天然气集团有限公司 | Testing device for simulating working state of valve in underwater environment |
| CN114689347A (en) * | 2020-12-28 | 2022-07-01 | 中国科学院沈阳自动化研究所 | Unmanned submersible auxiliary test system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105445108A (en) * | 2015-11-04 | 2016-03-30 | 江苏科技大学 | Testing device for hydrostatic pressure |
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| CN106940218A (en) * | 2017-04-10 | 2017-07-11 | 深圳立仪科技有限公司 | prism spectrometer |
| CN107271174A (en) * | 2017-07-21 | 2017-10-20 | 长沙矿山研究院有限责任公司 | A kind of deepwater environment simulator stand and deepwater environment simulation experiment method |
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| CN112161873A (en) * | 2020-09-16 | 2021-01-01 | 福建省特种设备检验研究院 | Hydrostatic pressure test device of robot |
| CN114252254A (en) * | 2020-09-24 | 2022-03-29 | 中国石油天然气集团有限公司 | Testing device for simulating working state of valve in underwater environment |
| CN114689347A (en) * | 2020-12-28 | 2022-07-01 | 中国科学院沈阳自动化研究所 | Unmanned submersible auxiliary test system |
| CN113280990A (en) * | 2021-06-11 | 2021-08-20 | 中国石油大学(华东) | Internal and external pressure testing device for underwater equipment and experimental method |
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