CN111189629A - Opening and closing test device and method for underwater electric control valve - Google Patents
Opening and closing test device and method for underwater electric control valve Download PDFInfo
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- CN111189629A CN111189629A CN202010143677.6A CN202010143677A CN111189629A CN 111189629 A CN111189629 A CN 111189629A CN 202010143677 A CN202010143677 A CN 202010143677A CN 111189629 A CN111189629 A CN 111189629A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/003—Machine valves
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Abstract
The invention relates to an opening and closing test device and a test method for an underwater electric control valve, which comprises a tested valve, a pressure cylinder, an air pressure loading and unloading system and a water pressure loading and unloading system, wherein the air pressure loading and unloading system comprises a pressure cylinder and a water pressure loading and unloading system; the tested valve is fixedly arranged in the pressure cylinder and is electrically connected with the test control box, the test control box controls the opening and closing of the tested valve and receives a valve position feedback signal, and the opening and closing time and the opening and closing action times of the valve are automatically recorded; the tested valve is arranged on an output pipeline of the air pressure loading and unloading system, and a working medium pressure environment is provided for the tested valve; and an output pipeline of the water pressure loading and unloading system is connected with the pressure cylinder, and water is filled in the pressure cylinder to provide a water pressure environment where the tested valve is located. The testing device can simulate the real water pressure environment condition of the valve, has the functions of pressure stabilization and pressure regulation, is used for testing the action life of the underwater electric control valve, and can effectively test the opening and closing action characteristics of the underwater electric control valve under the water pressure environment condition.
Description
Technical Field
The invention relates to the technical field of valve tests, in particular to an opening and closing test device and an opening and closing test method for an underwater electric control valve.
Background
With the continuous deep exploration of people on the ocean, the exploration and operation range is gradually changed from offshore and shallow sea to deep sea, the deep sea resource development and the deep sea exploration are supported by various deep sea equipment, various underwater valves are needed, the underwater valves are generally controlled in a remote control mode, the number of electric control valves is large, the working environment is severe, and the requirements on the service life and the maintenance-free characteristic of the valves are high.
Different from a land valve, the underwater electric control valve needs to work underwater for a long time and directly bear the external seawater pressure and seawater corrosion, and is difficult to disassemble, assemble and maintain, and has higher requirement on the maintenance-free property, and generally is a non-standard product, so that the requirement on the reliability of the valve action is higher, and the requirement on the service life is higher. Before the valve leaves a factory, the valve needs to be subjected to an action life test, and the failure-free action times of the valve are checked. The existing underwater valve action life test does not generally consider external pressure borne by a valve, only carries out in-band pressure opening and closing test under the pressure of a working medium, records the times of fault-free action, has larger difference with the actual use working condition of the valve, and is difficult to ensure that the valve can reach the required times of fault-free action in a water pressure environment.
Disclosure of Invention
The applicant provides an opening and closing test device for an underwater electric control valve aiming at the defects in the prior art, which can simulate the real water pressure environment condition of the valve, thereby effectively testing the opening and closing action characteristics of the underwater electric control valve under the water pressure environment condition.
The technical scheme adopted by the invention is as follows:
an opening and closing test device for an underwater electric control valve comprises a tested valve, a pressure cylinder, an air pressure loading and unloading system and a water pressure loading and unloading system; the tested valve is fixedly arranged in the pressure cylinder and is electrically connected with the test control box, the test control box controls the opening and closing of the tested valve and receives a valve position feedback signal, and the opening and closing time and the opening and closing action times of the valve are automatically recorded; the tested valve is arranged on an output pipeline of the air pressure loading and unloading system, and a working medium pressure environment is provided for the tested valve; and an output pipeline of the water pressure loading and unloading system is connected with the pressure cylinder, and water is filled in the pressure cylinder to provide a water pressure environment where the tested valve is located.
As a further improvement of the above technical solution:
the air pressure loading and unloading system comprises an air conveying pipeline, the tested valve is installed on an output pipeline of the air conveying pipeline, an air compressor, an air passage filter, an air passage pressurizing valve, a first pressure transmitter, an air passage pressure release valve, a high-pressure air storage tank and an air passage main valve are sequentially arranged on the air conveying pipeline along the air conveying direction, and an exhaust silencer is arranged on the output pipeline located at the downstream of the tested valve.
The water pressure loading and unloading system comprises a water conveying pipeline, an output pipeline of the water pressure loading and unloading system is communicated with the pressure barrel, and a high-pressure pump, a waterway pressure adding valve, a waterway pressure relief valve, a pre-charging valve, a waterway filter, a waterway main valve, a second pressure transmitter, an energy accumulator and a pressure supplementing valve are sequentially arranged on the water conveying pipeline along the water conveying direction.
The accumulator pressure is set higher than the pressure in the pressure cylinder.
And an auxiliary safety valve, a third pressure transmitter and an exhaust valve which are communicated with the inner space of the pressure cylinder are arranged above the pressure cylinder.
A test method for opening and closing a test device by using an underwater electric control valve comprises the following steps:
the method comprises the following steps: state before the test: installing and fixing the tested valve in the pressure cylinder, and keeping all valves of the testing device in a closed state;
step two: pre-filling water: opening a pre-charging valve, a waterway main valve, a pressure supplementing valve and an exhaust valve, filling water into the pressure cylinder, and closing the exhaust valve and the pre-charging valve after the water overflows from the exhaust valve;
step three: loading water pressure: opening the waterway pressure valve, starting the high-pressure pump, pressurizing the pressure cylinder, closing the pressure supplementing valve when the pressure indication of the third pressure transmitter reaches a set value, continuously pressurizing the energy accumulator by the high-pressure pump, and closing the waterway pressure valve, the waterway main valve and the high-pressure pump when the pressure indication of the second pressure transmitter reaches the set value, wherein the pressure in the energy accumulator is higher than the pressure in the pressure cylinder;
step four: loading air pressure: opening the gas path pressurization valve, starting the air compressor, pressurizing the high-pressure gas storage tank, closing the gas path pressurization valve when the pressure reading of the first pressure transmitter reaches a set value, and stopping the air compressor;
step five: opening and closing actions of the valve: opening a gas circuit main valve, supplying power to a tested valve through a test control box to control the opening and closing of the valve and receive a valve position feedback signal, automatically recording the opening and closing time and the opening and closing action times of the valve, and closing the gas circuit main valve after the test is finished;
step six: pressure relief: opening a waterway pressure relief valve, a waterway main valve and a pressure supplementing valve, and unloading water pressure; and opening the gas path relief valve to unload the gas pressure.
The invention has the following beneficial effects:
the test device provided by the invention has the advantages of reasonable structure, reliable and effective test method and simple and convenient test operation. The device can simulate the real water pressure environment condition of the valve, has the functions of pressure stabilization and pressure regulation, is used for carrying out the action life test of the underwater electric control valve, and can effectively test the opening and closing action characteristics of the underwater electric control valve under the water pressure environment condition.
Drawings
FIG. 1 is a schematic diagram of a test apparatus according to the present invention.
Wherein: 1. a high pressure pump; 2. a waterway pressure valve; 3. a waterway pressure relief valve; 4. a pre-charge valve; 5. a waterway filter; 6. a main waterway valve; 7. a second pressure transmitter; 8. an accumulator; 9. a pressure compensating valve; 10. a safety valve; 11. a third pressure transmitter; 12. a pressure cylinder; 13. an exhaust valve; 14. an air compressor; 15. a gas circuit filter; 16. a gas path pressurization valve; 17. a first pressure transmitter; 18. a gas circuit pressure relief valve; 19. a high pressure gas storage tank; 20. a gas circuit main valve; 21. a tested valve; 22. an exhaust muffler; 23. and (5) a test control box.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, the opening and closing test device for the underwater electric control valve of the present embodiment includes a tested valve 21, a pressure cylinder 12, an air pressure loading and unloading system and a water pressure loading and unloading system; the tested valve 21 is fixedly arranged in the pressure cylinder 12 and is electrically connected with the test control box 23, the test control box 23 controls the opening and closing of the tested valve 21 and receives valve position feedback signals, and the opening and closing time and the opening and closing action times of the valve are automatically recorded; a tested valve 21 is arranged on an output pipeline of the air pressure loading and unloading system, and a working medium pressure environment is provided for the tested valve 21; the output pipeline of the hydraulic pressure loading and unloading system is connected with the pressure cylinder 12, water is filled in the pressure cylinder 12, and the hydraulic pressure environment where the tested valve 21 is located is provided.
The air pressure loading and unloading system comprises an air transmission pipeline, a tested valve 21 is installed on an output pipeline of the air transmission pipeline, an air compressor 14, an air channel filter 15, an air channel pressurization valve 16, a first pressure transmitter 17, an air channel decompression valve 18, a high-pressure air storage tank 19 and an air channel main valve 20 are sequentially arranged on the air transmission pipeline along the air transmission direction, and an exhaust silencer 22 is arranged on the output pipeline located at the downstream of the tested valve 21.
The water pressure loading and unloading system comprises a water conveying pipeline, an output pipeline of the water pressure loading and unloading system is communicated with a pressure cylinder 12, and a high-pressure pump 1, a waterway pressure adding valve 2, a waterway pressure release valve 3, a pre-charging valve 4, a waterway filter 5, a waterway main valve 6, a second pressure transmitter 7, an energy accumulator 8 and a pressure supplementing valve 9 are sequentially arranged on the water conveying pipeline along the water conveying direction.
The pressure in the accumulator 8 is set higher than the pressure in the pressure cylinder 12.
Above the pressure cylinder 12 are mounted an auxiliary safety valve 10, a third pressure transmitter 11 and an exhaust valve 13 communicating with the inner space thereof.
The principle of action with respect to several components is as follows:
in the long-time pressure maintaining process, if the pressure in the pressure cylinder 12 is reduced, the pressure supplementing valve 9 behind the energy accumulator 8 is opened to supplement the pressure to the pressure cylinder 12, and the pressure in the pressure cylinder 12 reaches the target pressure, the pressure supplementing valve 9 is closed;
the high-pressure gas storage tank 19 of the air pressure loading and unloading system has the function of stabilizing the pressure of the working medium of the valve; an exhaust muffler 22 is provided to reduce exhaust noise by gradually reducing exhaust pressure and attenuating pulsation of the exhaust pressure.
The test method of the test device for opening and closing by using the underwater electric control valve comprises the following steps:
the method comprises the following steps: state before the test: installing and fixing the tested valve 21 in the pressure cylinder 12, and keeping all valves of the test device in a closed state;
step two: pre-filling water: opening the pre-charging valve 4, the water path main valve 6, the pressure compensating valve 9 and the exhaust valve 13, filling water into the pressure cylinder 12, and closing the exhaust valve 13 and the pre-charging valve 4 after the water overflows from the exhaust valve 13;
step three: loading water pressure: opening a water channel pressurizing valve 2, starting a high-pressure pump 1, pressurizing a pressure cylinder 12, closing a pressure supplementing valve 9 when the pressure indication of a third pressure transmitter 11 reaches a set value, continuing to pressurize an energy accumulator 8 by the high-pressure pump 1, and closing the water channel pressurizing valve 2, a water channel main valve 6 and the high-pressure pump 1 when the pressure indication of a second pressure transmitter 7 reaches the set value, wherein the pressure in the energy accumulator 8 is higher than the pressure in the pressure cylinder 12;
step four: loading air pressure: opening the gas path pressurization valve 16, starting the air compressor 14, pressurizing the high-pressure gas storage tank 19, closing the gas path pressurization valve 16 when the pressure reading of the first pressure transmitter 17 reaches a set value, and stopping the air compressor 14;
step five: opening and closing actions of the valve: opening the gas path main valve 20, supplying power to the tested valve 21 through the test control box 23 to control the opening and closing of the valve and receive a valve position feedback signal, automatically recording the opening and closing time and the opening and closing action times of the valve, and closing the gas path main valve 20 after the test is finished;
step six: pressure relief: opening the waterway pressure relief valve 3, the waterway main valve 6 and the pressure supplementing valve 9, and unloading the water pressure; the gas path relief valve 18 is opened to unload the gas pressure.
The above description is intended to be illustrative and not restrictive, and the scope of the invention is defined by the appended claims, which may be modified in any manner within the scope of the invention.
Claims (6)
1. The utility model provides an automatically controlled valve opens and close test device under water which characterized in that: comprises a tested valve (21), a pressure cylinder (12), an air pressure loading and unloading system and a water pressure loading and unloading system;
the tested valve (21) is fixedly arranged in the pressure cylinder (12) and is electrically connected with the test control box (23), the test control box (23) controls the opening and closing of the tested valve (21) and receives a valve position feedback signal, and the opening and closing time and the opening and closing action times of the valve are automatically recorded;
the tested valve (21) is arranged on an output pipeline of the air pressure loading and unloading system, and a working medium pressure environment is provided for the tested valve (21);
and an output pipeline of the hydraulic pressure loading and unloading system is connected with the pressure cylinder (12) to fill water into the pressure cylinder (12) so as to provide a hydraulic environment where the tested valve (21) is located.
2. The opening and closing test device for the underwater electric control valve as claimed in claim 1, characterized in that: the air pressure loading and unloading system comprises an air conveying pipeline, wherein the tested valve (21) is installed on an output pipeline of the air conveying pipeline, an air compressor (14), an air passage filter (15), an air passage pressurizing valve (16), a first pressure transmitter (17), an air passage pressure relief valve (18), a high-pressure air storage tank (19) and an air passage main valve (20) are sequentially arranged on the air conveying pipeline along the air conveying direction, and an exhaust silencer (22) is arranged on the output pipeline located at the downstream of the tested valve (21).
3. The opening and closing test device for the underwater electric control valve as claimed in claim 1, characterized in that: the water pressure loading and unloading system comprises a water conveying pipeline, an output pipeline of the water pressure loading and unloading system is communicated with a pressure cylinder (12), and a high-pressure pump (1), a water channel pressure valve (2), a water channel pressure release valve (3), a pre-charging valve (4), a water channel filter (5), a water channel main valve (6), a second pressure transmitter (7), an energy accumulator (8) and a pressure supplementing valve (9) are sequentially arranged on the water conveying pipeline along the water conveying direction.
4. The opening and closing test device for the underwater electric control valve as claimed in claim 3, characterized in that: the pressure in the accumulator (8) is set higher than the pressure in the pressure cylinder (12).
5. The opening and closing test device for the underwater electric control valve as claimed in claim 1, characterized in that: and an auxiliary safety valve (10), a third pressure transmitter (11) and an exhaust valve (13) which are communicated with the inner space of the pressure cylinder (12) are arranged above the pressure cylinder (12).
6. A test method using the underwater electric control valve opening and closing test device as claimed in claim 1, characterized in that: the method comprises the following steps:
the method comprises the following steps: state before the test: installing and fixing the tested valve (21) in the pressure cylinder (12), and keeping all valves of the test device in a closed state;
step two: pre-filling water: opening a pre-charging valve (4), a water path main valve (6), a pressure compensating valve (9) and an exhaust valve (13), charging water into a pressure cylinder (12), and closing the exhaust valve (13) and the pre-charging valve (4) after the water overflows from the exhaust valve (13);
step three: loading water pressure: opening a waterway pressurization valve (2), starting a high-pressure pump (1), pressurizing a pressure cylinder (12), closing a pressure supplementing valve (9) when the pressure indication of a third pressure transmitter (11) reaches a set value, continuously pressurizing an energy accumulator (8) by the high-pressure pump (1), closing the waterway pressurization valve (2), a waterway main valve (6) and the high-pressure pump (1) when the pressure indication of a second pressure transmitter (7) reaches the set value, and at the moment, the pressure in the energy accumulator (8) is higher than the pressure in the pressure cylinder (12);
step four: loading air pressure: opening the gas path pressurization valve (16), starting the air compressor (14), pressurizing the high-pressure gas storage tank (19), closing the gas path pressurization valve (16) when the pressure reading of the first pressure transmitter (17) reaches a set value, and stopping the air compressor (14);
step five: opening and closing actions of the valve: opening the gas path main valve (20), supplying power to the tested valve (21) through a test control box (23) to control the opening and closing of the valve and receive a valve position feedback signal, automatically recording the opening and closing time and the opening and closing action times of the valve, and closing the gas path main valve (20) after the test is finished;
step six: pressure relief: opening the waterway pressure relief valve (3), the waterway main valve (6) and the pressure supplementing valve (9) to unload the water pressure; and opening the gas path pressure relief valve (18) to unload the gas pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010143677.6A CN111189629A (en) | 2020-03-04 | 2020-03-04 | Opening and closing test device and method for underwater electric control valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010143677.6A CN111189629A (en) | 2020-03-04 | 2020-03-04 | Opening and closing test device and method for underwater electric control valve |
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| CN111189629A true CN111189629A (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010143677.6A Pending CN111189629A (en) | 2020-03-04 | 2020-03-04 | Opening and closing test device and method for underwater electric control valve |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN118961091A (en) * | 2024-10-16 | 2024-11-15 | 常州贺斯特科技股份有限公司 | Test tank for simulating underwater pressure and test method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000274594A (en) * | 1999-03-23 | 2000-10-03 | Osaka Gas Co Ltd | Testing system of pressure rise supply device and testing method |
| CN103983469A (en) * | 2014-05-23 | 2014-08-13 | 国家海洋技术中心 | Pressure test analog device and method of underwater equipment |
| CN204405311U (en) * | 2015-01-23 | 2015-06-17 | 长安大学 | A kind of proving installation of Underwater Pressure valve |
| CN206038296U (en) * | 2016-08-31 | 2017-03-22 | 常德翔宇设备制造有限公司 | Manual decompression valve life testing system |
| CN109443663A (en) * | 2018-12-21 | 2019-03-08 | 核动力运行研究所 | A kind of gate valve suppresses system online |
| CN109883685A (en) * | 2019-04-09 | 2019-06-14 | 山东鲁泰控股集团有限公司石墨烯高分子复合材料研发中心 | A kind of detection device and application method of solenoid valve |
| CN109876613A (en) * | 2019-01-23 | 2019-06-14 | 许昌许继软件技术有限公司 | air generator |
-
2020
- 2020-03-04 CN CN202010143677.6A patent/CN111189629A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000274594A (en) * | 1999-03-23 | 2000-10-03 | Osaka Gas Co Ltd | Testing system of pressure rise supply device and testing method |
| CN103983469A (en) * | 2014-05-23 | 2014-08-13 | 国家海洋技术中心 | Pressure test analog device and method of underwater equipment |
| CN204405311U (en) * | 2015-01-23 | 2015-06-17 | 长安大学 | A kind of proving installation of Underwater Pressure valve |
| CN206038296U (en) * | 2016-08-31 | 2017-03-22 | 常德翔宇设备制造有限公司 | Manual decompression valve life testing system |
| CN109443663A (en) * | 2018-12-21 | 2019-03-08 | 核动力运行研究所 | A kind of gate valve suppresses system online |
| CN109876613A (en) * | 2019-01-23 | 2019-06-14 | 许昌许继软件技术有限公司 | air generator |
| CN109883685A (en) * | 2019-04-09 | 2019-06-14 | 山东鲁泰控股集团有限公司石墨烯高分子复合材料研发中心 | A kind of detection device and application method of solenoid valve |
Non-Patent Citations (2)
| Title |
|---|
| 石磊等: "水下阀门设计优化及测试技术的研究", 《阀门》 * |
| 陈小平等: "水下阀门深水高压舱模拟试验研究", 《石油和化工设备》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN118961091A (en) * | 2024-10-16 | 2024-11-15 | 常州贺斯特科技股份有限公司 | Test tank for simulating underwater pressure and test method thereof |
| CN118961091B (en) * | 2024-10-16 | 2024-12-20 | 常州贺斯特科技股份有限公司 | Test tank for simulating underwater pressure and test method thereof |
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Application publication date: 20200522 |