CN113310675A - Device for diving test - Google Patents

Device for diving test Download PDF

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Publication number
CN113310675A
CN113310675A CN202110507849.8A CN202110507849A CN113310675A CN 113310675 A CN113310675 A CN 113310675A CN 202110507849 A CN202110507849 A CN 202110507849A CN 113310675 A CN113310675 A CN 113310675A
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CN
China
Prior art keywords
diving
pressure
main body
diving box
box main
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Pending
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CN202110507849.8A
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Chinese (zh)
Inventor
陈中青
朱宜生
王超
刘玉石
王一飞
孙成
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723 Research Institute of CSIC
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723 Research Institute of CSIC
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Application filed by 723 Research Institute of CSIC filed Critical 723 Research Institute of CSIC
Priority to CN202110507849.8A priority Critical patent/CN113310675A/en
Publication of CN113310675A publication Critical patent/CN113310675A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The invention provides a device for diving test, comprising: the submersible case comprises a submersible case body, a submersible case upper cover, a sealing washer, a base, a pressure display digital meter, an automatic pressure relief safety valve, a pressurized air inlet pipe, a pressurized water inlet pipe, a drainage pipeline and the like. The invention can increase the pressure in the diving box by using gas and liquid, and solves the problems of lower maximum test pressure and unstable pressure control at low test pressure of the conventional diving test device.

Description

Device for diving test
Technical Field
The invention belongs to the field of waterproof test detection, and relates to a device for a diving test.
Background
The existing diving test device has lower test pressure generally, for example, Chinese patent with application number of 201520081313.4, the maximum test pressure is 0.1 MPa; the existing diving test device generally adopts a gas pressurization mode, because the gas pressurization changes fast, especially under the condition that the test pressure is small, the test pressure control is unstable, and the liquid pressurization is relatively stable to the gas pressurization and is easy to control.
Disclosure of Invention
The invention aims to provide a device for a diving test, which solves the problems of low maximum test pressure and unstable pressure control at low test pressure of the conventional diving test device.
The technical solution for realizing the purpose of the invention is as follows: an apparatus for use in diving tests, comprising: the diving box comprises a diving box main body, a diving box upper cover, a sealing washer, a base, a pressure display digital meter, an automatic pressure relief safety valve, a pressure inlet pipe and a flow discharge pipeline, wherein the pressure display digital meter, the automatic pressure relief safety valve, the pressure inlet pipe and the pressure inlet pipe are fixed on the diving box upper cover in a welding mode; the base and the drainage pipeline are fixed outside the bottom surface of the diving box main body in a welding mode.
Furthermore, a hoisting handle is arranged on the upper surface of the upper cover of the diving box and used for hoisting the upper cover of the diving box.
Furthermore, set up the fixed rigging of sample on the inside bottom surface of diving box main part for the sample is fixed, prevents the sample come-up.
A diving test method is based on the device for the diving test to realize the diving test, and the specific process is as follows:
placing a test sample in the diving box main body, then filling water in the diving box main body, fastening and sealing the diving box upper cover, the sealing washer and the diving box main body through a high-strength bolt, continuously pressurizing the inside of the diving box main body through a pressurizing water inlet pipe or a pressurizing air inlet pipe after fastening and sealing, observing the test pressure change in the diving box main body through a pressure display digital meter until the specified test pressure is reached, and stopping pressurizing the inside of the diving box main body; after the diving test is finished, the high-strength bolt of the upper cover of the diving box is disassembled, the leakage pipeline at the bottom of the diving box main body is opened to finish pressure relief and leakage, then the upper cover of the diving box is lifted away, and the test sample is taken out from the inside of the diving box main body.
Further, an automatic pressure relief safety valve with the specification of 1.2MPa is used, and when the diving pressure is less than or equal to 0.4MPa, a pressurization water inlet pipe is adopted to adjust the internal pressure of the diving box main body; when the diving pressure is in the range of 0.4MPa to 1.2MPa, the internal pressure of the diving box main body is adjusted by adopting a pressurizing air inlet pipe; an automatic pressure relief safety valve is arranged at the upper cover of the diving box, and the safety valve is automatically opened and exhausts air after the internal pressure of the diving box main body exceeds 1.2MPa, so that the internal gas pressure of the diving box main body is always in a safe state.
Compared with the prior art, the invention has the following remarkable advantages: 1) the maximum test pressure can reach 1.2MPa, when the test pressure is less than or equal to 0.4MPa, a liquid pressurization mode is adopted, and when the test pressure is within the range of 0.4MPa to 1.2MPa, a gas pressurization mode is adopted, so that the problems of low maximum test pressure and unstable pressure control when the test pressure is low in the conventional diving test device are solved. 2) A sample fixing rigging is arranged on the bottom surface inside the device and used for fixing a sample and preventing the sample from floating upwards.
Drawings
Fig. 1 is a structural view of the apparatus for diving test of the present invention.
FIG. 2 is a top view of the upper lid of the caisson.
1. An upper cover of the diving box; 2. a pressure display digital meter; 3. pressurizing an air inlet pipe; 4. hoisting a handle; 5. a pressurized water inlet pipe; 6. an automatic pressure relief safety valve; 7. installing a bolt; 8. a sealing gasket; 9. a diving box main body; 10. a drain line; 11. base seat
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
As shown in figure 1, the device for the diving test is used for simulating the diving depth and pressure of equipment and comprises a diving box main body 9, a diving box upper cover 1, a sealing washer 8, a base 11, a pressure display digital meter 2, an automatic pressure relief safety valve 6, a pressurized air inlet pipe 3, a pressurized water inlet pipe 5, a drainage pipeline 10 and the like. A base 11 and a drainage pipeline 10 are arranged on the bottom surface of the diving box main body 9 in a welding mode, and a manual valve is arranged on the drainage pipeline 10 and used for draining drainage of water in the diving box main body 9 after a test; the top of the diving box main body 9 is provided with a bolt hole which is tightly sealed with the diving box upper cover 1 and the sealing washer 8 through a high-strength bolt so as to realize the maintenance of the internal pressure of the diving box main body 9; a hoisting handle 4 is arranged on the upper surface of the upper cover 1 of the diving box, and the upper cover 1 of the diving box is moved by the hoisting handle during the test; the upper surface of the upper cover 1 of the diving box is provided with a pressurized air inlet pipe 3 and a pressurized water inlet pipe 5 in a welding mode, and the pressurized air inlet pipe and the pressurized water inlet pipe are used for increasing the pressure in the main body 9 of the diving box; a pressure display digital meter 2 is arranged on the upper surface of the upper cover 1 of the diving box in a welding mode and is used for observing the pressure in the main body 9 of the diving box in real time; an automatic pressure relief safety valve 6 is arranged on the upper surface of the upper cover 1 of the diving box in a welding mode and used for automatically relieving pressure when the pressure in the main body 9 of the diving box exceeds the maximum bearing pressure. Set up the fixed rigging of sample on the inside bottom surface of caisson main part, if purchase in several countries for the fixed of sample prevents the sample come-up.
According to the device, a test sample is placed in the diving box main body 9, then the diving box main body is filled with water, the diving box upper cover 1, the sealing washer 8 and the diving box main body 9 are fastened and sealed through the high-strength bolt 7, after the fastening and sealing are carried out, pressure is applied to the inside of the diving box main body 9 through the pressurization water inlet pipe 5 or the pressurization air inlet pipe 3, the test pressure change in the diving box main body 9 is observed through the pressure display digital meter 2 until the specified test pressure is reached, and the pressurization in the diving box main body 9 is stopped. After the diving test is finished, the high-strength bolt 7 of the upper cover of the diving box is disassembled, the drainage pipeline 10 at the bottom of the main body 9 of the diving box is opened to finish pressure relief and drainage, then the upper cover 1 of the diving box is lifted away, and the test sample is taken out from the interior of the main body 9 of the diving box.
In the pressure adjusting process, when the diving pressure is less than or equal to 0.4MPa, the pressure inside the diving box main body is adjusted by adopting the pressurizing water inlet pipe; when the diving pressure is in the range of 0.4MPa to 1.2MPa, the internal pressure of the diving box main body is adjusted by adopting a pressurizing air inlet pipe; after the internal pressure of the diving box main body exceeds 1.2MPa, the safety valve automatically opens and exhausts air, so that the internal gas pressure of the diving box main body is always in a safe state.
The basic principle, the main characteristics and the advantages of the invention are described above, the invention can increase the pressure in the diving box main body by using gas and can also increase the pressure in the diving box main body by using liquid, the maximum test pressure reaches 1.2MPa, and the requirement of the electric equipment diving test verification is met.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (5)

1. An apparatus for use in diving tests, comprising: the diving box comprises a diving box main body, a diving box upper cover, a sealing washer, a base, a pressure display digital meter, an automatic pressure relief safety valve, a pressure inlet pipe and a flow discharge pipeline, wherein the pressure display digital meter, the automatic pressure relief safety valve, the pressure inlet pipe and the pressure inlet pipe are fixed on the diving box upper cover in a welding mode; the base and the drainage pipeline are fixed outside the bottom surface of the diving box main body in a welding mode.
2. The apparatus according to claim 1, wherein the upper surface of the diving box cover is provided with a hoisting handle for hoisting the diving box cover.
3. The apparatus as claimed in claim 1, wherein a sample fixing rigging is provided on the bottom surface of the interior of the diving box body for fixing the sample to prevent the sample from floating upward.
4. A diving test method, characterized in that the diving test is realized based on the device for diving test of any one of claims 1-3, and the specific process is as follows:
placing a test sample in the diving box main body, then filling water in the diving box main body, fastening and sealing the diving box upper cover, the sealing washer and the diving box main body through a high-strength bolt, continuously pressurizing the inside of the diving box main body through a pressurizing water inlet pipe or a pressurizing air inlet pipe after fastening and sealing, observing the test pressure change in the diving box main body through a pressure display digital meter until the specified test pressure is reached, and stopping pressurizing the inside of the diving box main body; after the diving test is finished, the high-strength bolt of the upper cover of the diving box is disassembled, the leakage pipeline at the bottom of the diving box main body is opened to finish pressure relief and leakage, then the upper cover of the diving box is lifted away, and the test sample is taken out from the inside of the diving box main body.
5. The diving test method according to claim 4, characterized in that an automatic pressure relief safety valve with the specification of 1.2MPa is used, and when the diving pressure is less than or equal to 0.4MPa, a pressure inlet pipe is adopted to adjust the internal pressure of the diving box main body; when the diving pressure is in the range of 0.4MPa to 1.2MPa, the internal pressure of the diving box main body is adjusted by adopting a pressurizing air inlet pipe; an automatic pressure relief safety valve is arranged at the upper cover of the diving box, and the safety valve is automatically opened and exhausts air after the internal pressure of the diving box main body exceeds 1.2MPa, so that the internal gas pressure of the diving box main body is always in a safe state.
CN202110507849.8A 2021-05-10 2021-05-10 Device for diving test Pending CN113310675A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110507849.8A CN113310675A (en) 2021-05-10 2021-05-10 Device for diving test

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110507849.8A CN113310675A (en) 2021-05-10 2021-05-10 Device for diving test

Publications (1)

Publication Number Publication Date
CN113310675A true CN113310675A (en) 2021-08-27

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CN202110507849.8A Pending CN113310675A (en) 2021-05-10 2021-05-10 Device for diving test

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CN (1) CN113310675A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202083564U (en) * 2011-05-20 2011-12-21 中国科学院海洋研究所 Pressure detector for miniature instrument
CN103604455A (en) * 2013-11-27 2014-02-26 大连理工大学 Deepwater pressure chamber combination experiment device
CN103852567A (en) * 2014-03-31 2014-06-11 黄河水资源保护科学研究院 Water environment simulator for reservoir
CN104599564A (en) * 2013-10-31 2015-05-06 任凤翥 Deep sea diving pressure intensity simulation tester
CN205785719U (en) * 2016-07-06 2016-12-07 广州工文试验设备有限公司 A kind of Novel submerged assay device
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
CN208968842U (en) * 2018-10-19 2019-06-11 武汉三江航天远方科技有限公司 Deep-water pressure environmental test chamber

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202083564U (en) * 2011-05-20 2011-12-21 中国科学院海洋研究所 Pressure detector for miniature instrument
CN104599564A (en) * 2013-10-31 2015-05-06 任凤翥 Deep sea diving pressure intensity simulation tester
CN103604455A (en) * 2013-11-27 2014-02-26 大连理工大学 Deepwater pressure chamber combination experiment device
CN103852567A (en) * 2014-03-31 2014-06-11 黄河水资源保护科学研究院 Water environment simulator for reservoir
CN205785719U (en) * 2016-07-06 2016-12-07 广州工文试验设备有限公司 A kind of Novel submerged assay device
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
CN208968842U (en) * 2018-10-19 2019-06-11 武汉三江航天远方科技有限公司 Deep-water pressure environmental test chamber

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Application publication date: 20210827