CN102564711A - Device and method for detecting water tightness performance of underwater sensor - Google Patents
Device and method for detecting water tightness performance of underwater sensor Download PDFInfo
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- CN102564711A CN102564711A CN2011104308802A CN201110430880A CN102564711A CN 102564711 A CN102564711 A CN 102564711A CN 2011104308802 A CN2011104308802 A CN 2011104308802A CN 201110430880 A CN201110430880 A CN 201110430880A CN 102564711 A CN102564711 A CN 102564711A
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Abstract
The invention provides a device and a method for detecting the water tightness performance of an underwater sensor. The detection device comprises a pressure vessel, an air inlet valve, an exhaust valve, a water draining valve, a computer measuring equipment, a high-pressure nitrogen gas cylinder, a pressure reducing valve, a pressure gauge and a watertight sensor, wherein a mounting hole is formed in the lower end on the right lateral surface of the pressure vessel; a cable outlet is formed in the upper end on the right lateral surface of the pressure vessel; the watertight sensor is arranged at the bottom on the inner side of the pressure vessel; water is injected into the pressure vessel and an upper end cover of the pressure vessel is tightly covered and sealed; the water draining valve is mounted at the lower end on the right lateral surface of the pressure vessel; the air inlet valve and the exhaust valve are respectively mounted at the left end and the right end of the upper end cover; a cable of the watertight sensor penetrates through the cable outlet and then is communicated with the computer measuring equipment; and a pressure pipeline between the air inlet valve and the high-pressure nitrogen gas cylinder is sequentially connected with the pressure gauge and the pressure reducing valve. According to the device and the method disclosed by the invention, the problem of great difficulty in the water tightness detection under deepwater work condition is successfully solved; and the reliability of the sensor under the deepwater work condition and the stability of long-time work performance can be effectively detected.
Description
Technical field
The present invention relates to a kind of pick-up unit and method, be specifically related to a kind of underwater sensor watertightness performance pick-up unit and method, belong to the sensor detecting field.
Background technology
At present; To the detection of various sensor watertightness performances under water generally is the mode that directly adopts water to soak for a long time; But directly the actual operating mode of water and deep water differs bigger; The sensor that carries out the watertight detection through generally being soaked in water breaks down under the deep water operating mode easily; And under the deep water operating mode of true experimental situation (like 40m) to carry out the watertight detection difficulty big and cost is high, various sensors carried out the deep water watertightness performance detect so need underwater sensor watertightness performance pick-up unit that the deep water operating mode is simulated.
Summary of the invention
In view of this, the invention provides a kind of underwater sensor watertightness performance pick-up unit and method, can simulate under the deep water operating mode situation detection the underwater sensor watertightness performance.
A kind of underwater sensor watertightness performance pick-up unit, this pick-up unit comprises pressure vessel, gas admittance valve, vent valve, draining valve, computer measurement equipment, high-pressure nitrogen bottle, reduction valve, tensimeter, watertight sensor; Wherein the lower end of pressure vessel right flank has mounting hole, and the upper end of right flank has cable outlet, and the right ends of pressure vessel upper end cover all has mounting hole;
The watertight sensor is placed on the inboard bottom of pressure vessel; Fasten draining valve, toward the pressure vessel intracontour waterflooding, with the tight and sealing of upper end cover lid of pressure vessel; Draining valve is installed in pressure vessel right flank lower end; The upper end cover right ends is installed into air valve and vent valve respectively, and the cable of watertight sensor is communicated with computer measurement equipment after passing cable outlet, and gas admittance valve is connected tensimeter and reduction valve successively with pressure piping between the high-pressure nitrogen bottle.
Described pick-up unit realizes that the method that the sensor watertightness performance detects is:
Step 1: the watertight sensor is placed the inboard bottom of pressure vessel, and two groups of cables of watertight sensor are passed and seal from cable outlet, link to each other with display screen with the working power interface of computer measurement equipment respectively;
Step 2: whether the inspection draining valve closes, if be in closed condition, in pressure vessel, add water, and guarantees that water did not have the watertight sensor;
Step 3: the upper end cover of pressure vessel lid is tight and guarantee sealing;
Step 4: the vent valve on the closing presure container is also opened gas admittance valve, opens high-pressure nitrogen bottle and in pressure vessel, charges into gas through pressure piping, regulates the reduction valve on the pressure piping, observes the displayed value of pressure piping upward pressure table simultaneously;
Step 5: when the displayed value of pressure piping upward pressure table is 0.4MPa, close gas admittance valve;
Step 6: begin to carry out the watertight sensor test;
Step 7: in the time of with step 6, the force value of computer measurement equipment opening entry watertight sensor output;
Step 8: behind the 4h, computer measurement equipment writes down the force value of watertight sensor output once more;
Step 9: two force value that step 7 and step 8 are obtained compare, if both errors are not more than 0.5%, the watertightness performance that then is regarded as the watertight sensor is good.
Beneficial effect: the present invention is through adding water toward pressure vessel; And in pressure vessel, charge into gas through high-pressure nitrogen bottle; But the pressure that real simulation watertight sensor receives under the deep water operating mode; Successfully solved under the deep water operating mode of true experimental situation and carried out the big problem of watertight detection difficulty, and the effectively reliability under the detecting sensor deep water operating mode and the stability of the performance that works long hours.In real work, completed successfully the detection of multiple model sensor.
Description of drawings
Fig. 1 is the structural drawing of underwater sensor watertightness performance pick-up unit of the present invention.
Wherein, 1-pressure vessel, 2-gas admittance valve, 3-vent valve, 4-draining valve, 5-cable outlet, 6-computer measurement equipment, 7-high-pressure nitrogen bottle, 8-reduction valve, 9-tensimeter, 10-watertight sensor
Embodiment
Below in conjunction with the accompanying drawing embodiment that develops simultaneously, describe the present invention.
Shown in accompanying drawing 1; The invention provides a kind of underwater sensor watertightness performance pick-up unit, this pick-up unit comprises pressure vessel 1, gas admittance valve 2, vent valve 3, draining valve 4, computer measurement equipment 6, high-pressure nitrogen bottle 7, reduction valve 8, tensimeter 9, watertight sensor 10; Wherein the lower end of pressure vessel 1 right flank has mounting hole, and the upper end of right flank has cable outlet 5, and the right ends of pressure vessel 1 upper end cover all has mounting hole;
Watertight sensor 10 is placed on the bottom of pressure vessel 1 inboard; Fasten draining valve 4; Toward 85% of pressure vessel 1 intracontour waterflooding to pressure vessel 1 volume; With the tight and sealing of upper end cover lid of pressure vessel 1, draining valve 4 is installed in pressure vessel 1 right flank lower end, and the upper end cover right ends is installed into air valve 2 and vent valve 3 respectively; The cable of watertight sensor 10 passes cable outlet 5 back and is communicated with computer measurement equipment 6, and gas admittance valve 2 is connected tensimeter 9 and reduction valve 8 successively with pressure piping between the high-pressure nitrogen bottle 7.
This device realizes that the method that the sensor watertightness performance detects is:
Step 1: watertight sensor 10 is placed the inboard bottom of pressure vessel 1, and two groups of cables of watertight sensor 10 are passed and seal from cable outlet 5, link to each other with display screen with the working power interface of computer measurement equipment 6 respectively;
Step 2: whether inspection draining valve 4 closes, if be in closed condition, in pressure vessel 1, add water, and guarantees that water did not have watertight sensor 10;
Step 3: the upper end cover of pressure vessel 1 lid is tight and guarantee sealing;
Step 4: the vent valve 3 on the closing presure container 1 is also opened gas admittance valve 2, opens high-pressure nitrogen bottle 7 and in pressure vessel 1, charges into gas through pressure piping, regulates the reduction valve 8 on the pressure piping, observes the displayed value of pressure piping upward pressure table 9 simultaneously;
Step 5: when the displayed value of pressure piping upward pressure table 9 is 0.4MPa, close gas admittance valve 2;
Step 6: begin to carry out the watertight sensor test;
Step 7: in the time of with step 6, the force value of computer measurement equipment 6 opening entry watertight sensors 10 outputs;
Step 8: behind the 4h, computer measurement equipment 6 writes down the force value of watertight sensor 10 outputs once more;
Step 9: two force value that step 7 and step 8 are obtained compare, if both errors are not more than 0.5%, the watertightness performance that then is regarded as watertight sensor 10 is good.
In sum, more than being merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. underwater sensor watertightness performance pick-up unit; It is characterized in that this pick-up unit comprises pressure vessel (1), gas admittance valve (2), vent valve (3), draining valve (4), computer measurement equipment (6), high-pressure nitrogen bottle (7), reduction valve (8), tensimeter (9), watertight sensor (10); Wherein the lower end of pressure vessel (1) right flank has mounting hole, and the upper end of right flank has cable outlet (5), and the right ends of pressure vessel (1) upper end cover all has mounting hole;
Watertight sensor (10) is placed on the inboard bottom of pressure vessel (1); Fasten draining valve (4); Toward pressure vessel (1) intracontour waterflooding; With the tight and sealing of upper end cover lid of pressure vessel (1), draining valve (4) is installed in pressure vessel (1) right flank lower end, and the upper end cover right ends is installed into air valve (2) and vent valve (3) respectively; The cable of watertight sensor (10) passes cable outlet (5) back and is communicated with computer measurement equipment (6), and gas admittance valve (2) is connected tensimeter (9) and reduction valve (8) successively with pressure piping between the high-pressure nitrogen bottle (7).
2. a underwater sensor watertightness performance detection method is characterized in that, the step that adopts pick-up unit to detect is:
Step 1: watertight sensor (10) is placed the inboard bottom of pressure vessel (1), and two groups of cables of watertight sensor (10) are passed and seal from cable outlet (5), the working power interface with computer measurement equipment (6) links to each other with display screen respectively;
Step 2: whether inspection draining valve (4) closes, if be in closed condition, toward pressure vessel (1) Nei Jiashui, and guarantees that water did not have watertight sensor (10);
Step 3: the upper end cover of pressure vessel (1) lid is tight and guarantee sealing;
Step 4: the vent valve (3) on the closing presure container (1) is also opened gas admittance valve (2); Open high-pressure nitrogen bottle (7) and in pressure vessel (1), charge into gas through pressure piping; Regulate the reduction valve (8) on the pressure piping, observe the displayed value of pressure piping upward pressure table (9) simultaneously;
Step 5: when the displayed value of pressure piping upward pressure table (9) is 0.4MPa, close gas admittance valve (2);
Step 6: begin to carry out the watertight sensor test;
Step 7: in the time of with step 6, the force value of computer measurement equipment (6) opening entry watertight sensor (10) output;
Step 8: behind the 4h, computer measurement equipment (6) writes down the force value of watertight sensor (10) output once more;
Step 9: two force value that step 7 and step 8 are obtained compare, if both errors are not more than 0.5%, the watertightness performance that then is regarded as watertight sensor (10) is good.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011104308802A CN102564711A (en) | 2011-12-20 | 2011-12-20 | Device and method for detecting water tightness performance of underwater sensor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011104308802A CN102564711A (en) | 2011-12-20 | 2011-12-20 | Device and method for detecting water tightness performance of underwater sensor |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102879153A (en) * | 2012-09-21 | 2013-01-16 | 湖南中工矿业工程技术有限公司 | Special experimental detection device for spray guns |
| CN105067021A (en) * | 2015-07-31 | 2015-11-18 | 国家海洋技术中心 | Ocean temperature and pressure environment simulation device and ocean temperature and pressure environment simulation method |
| CN106197870A (en) * | 2016-09-29 | 2016-12-07 | 武汉高明兰光电科技有限公司 | A kind of immersion detection system and method |
| CN108535586A (en) * | 2018-04-18 | 2018-09-14 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of watertight cable pressure pot experiment automatic checkout system |
| CN110553795A (en) * | 2019-07-24 | 2019-12-10 | 苏州天姆艾汽车部件有限公司 | system and method for testing tightness, pressure resistance and salt tolerance of sensor |
| CN110987309A (en) * | 2019-12-25 | 2020-04-10 | 深圳金信诺高新技术股份有限公司 | Sealing detection system and method for underwater full-sealing device |
| CN111947704A (en) * | 2020-08-11 | 2020-11-17 | 广东电网有限责任公司广州供电局 | Water sensor calibration platform and method |
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| CN2511965Y (en) * | 2001-12-25 | 2002-09-18 | 国家海洋局海洋技术研究所 | Pressure effect test device for marine sensor |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102879153A (en) * | 2012-09-21 | 2013-01-16 | 湖南中工矿业工程技术有限公司 | Special experimental detection device for spray guns |
| CN102879153B (en) * | 2012-09-21 | 2014-12-17 | 湖南中工矿业工程技术有限公司 | Special experimental detection device for spray guns |
| CN105067021A (en) * | 2015-07-31 | 2015-11-18 | 国家海洋技术中心 | Ocean temperature and pressure environment simulation device and ocean temperature and pressure environment simulation method |
| CN106197870A (en) * | 2016-09-29 | 2016-12-07 | 武汉高明兰光电科技有限公司 | A kind of immersion detection system and method |
| CN108535586A (en) * | 2018-04-18 | 2018-09-14 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of watertight cable pressure pot experiment automatic checkout system |
| CN110553795A (en) * | 2019-07-24 | 2019-12-10 | 苏州天姆艾汽车部件有限公司 | system and method for testing tightness, pressure resistance and salt tolerance of sensor |
| CN110553795B (en) * | 2019-07-24 | 2021-07-20 | 苏州天姆艾汽车部件有限公司 | System and method for testing tightness, pressure resistance and salt tolerance of sensor |
| CN110987309A (en) * | 2019-12-25 | 2020-04-10 | 深圳金信诺高新技术股份有限公司 | Sealing detection system and method for underwater full-sealing device |
| CN110987309B (en) * | 2019-12-25 | 2021-09-10 | 深圳金信诺高新技术股份有限公司 | Sealing detection system and method for underwater full-sealing device |
| CN111947704A (en) * | 2020-08-11 | 2020-11-17 | 广东电网有限责任公司广州供电局 | Water sensor calibration platform and method |
| CN111947704B (en) * | 2020-08-11 | 2022-08-12 | 广东电网有限责任公司广州供电局 | Water sensor calibration platform and method |
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Application publication date: 20120711 |