CN201892611U - Water leakage alarming and detecting system of underwater cable - Google Patents
Water leakage alarming and detecting system of underwater cable Download PDFInfo
- Publication number
- CN201892611U CN201892611U CN201020643059XU CN201020643059U CN201892611U CN 201892611 U CN201892611 U CN 201892611U CN 201020643059X U CN201020643059X U CN 201020643059XU CN 201020643059 U CN201020643059 U CN 201020643059U CN 201892611 U CN201892611 U CN 201892611U
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- Prior art keywords
- water leakage
- underwater cable
- detecting
- outer layer
- cable
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Abstract
The utility model discloses a water leakage alarming and detecting system of an underwater cable, which comprises a secondary outer layer insulation sleeve for packing the cable, wherein the secondary outer layer insulation sleeve is externally packed with a watertight insulating outer sheath, at least two water leakage detecting conductors are arranged between the watertight insulating outer sheath and the secondary outer layer insulation sleeve, and the water leakage detecting conductors are connected with a signal acquiring and alarming module for detecting the resistance change of the conductors. The water leakage alarming and detecting system can be used for previously alarming and detecting the underwater cable which is lightly damaged, thereby being convenient for operating personnel and maintenance personnel to timely process an abnormal fault, effectively prolonging the service life of the underwater cable, guaranteeing the safe running of a related system, and furthest reducing the loss of engineering. Particularly, the water leakage alarming and detecting system is better for detecting and maintaining the expensive underwater dynamic pressure cable and related system. The water leakage alarming and detecting system of the underwater cable is widely used for detecting the underwater cable.
Description
Technical field
The utility model relates to a kind of cable detection system, particularly a kind of underwater cable water leakage alarm detection system.
Background technology
At present along with the variation of hog barge construction object with to the high request of operating efficiency, the use of subsea equipments such as submersible machine is more and more, the use of underwater cable also inevitably rolls up, but diversity and unpredictability at underwater environment, the damage of underwater cable is inevitable, and because the relevant device that the damage of underwater cable causes damages and the loss of construction delay also be suitable huge be difficult to estimate.Therefore how under water report to the police during cable generation slight damage, personnel in time handle with handled easily, thereby guarantee the safety of relevant device and unnecessary chain loss.Also relevant similar products in the present industry.
The utility model content
In order to solve above-mentioned technical matters, the purpose of this utility model provides a kind of real-time underwater cable water leakage alarm detection system simple in structure, easy to use.
The technical scheme that its technical matters that solves the utility model adopts is:
Underwater cable water leakage alarm detection system, comprise the inferior outer layer insulation sheath that is used to wrap up cable, described time the outer layer insulation sheath is wrapped with watertight insulation oversheath, be provided with at least two detection conductors that leak between described watertight insulation oversheath and time outer layer insulation sheath, the described detection conductor that leaks is connected with the signals collecting alarm module that is used to detect the conductor change in resistance.
Be further used as preferred embodiment, be provided with 3 or 4 parallel detection conductors that leak between described watertight insulation oversheath and time outer layer insulation sheath.
Be further used as preferred embodiment, after the described detection conductor dbus that leaks is crossed the amplification of bridge-type resistance circuit signal, be input to the signals collecting alarm module again.
Be further used as preferred embodiment, described signals collecting alarm module is a PLC signals collecting alarm module.
Be further used as preferred embodiment, described signals collecting alarm module is connected with the voltage regulator module that is used to adjust measuring voltage.
Be further used as preferred embodiment, the scope that described voltage regulator module is adjusted measuring voltage is 0V to 300V.
The beneficial effects of the utility model are: the utility model can report to the police to the underwater cable of slight damage and detect in advance, in time handle abnormal failure with handled easily and maintainer, effectively prolong the service time of underwater cable, guarantee the safe operation of related system, and at utmost reduce the engineering loss.Especially to costliness under water in press the detection of power cable and related system and safeguard favourable especially.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is a underwater cable structural drawing of the present utility model;
Fig. 2 is a testing circuit block scheme of the present utility model.
Embodiment
See figures.1.and.2, underwater cable water leakage alarm detection system, comprise the inferior outer layer insulation sheath 2 that is used to wrap up cable, described time outer layer insulation sheath 2 is wrapped with watertight insulation oversheath 1, be provided with at least two detection conductors 3 that leak between described watertight insulation oversheath 1 and time outer layer insulation sheath 2, the described detection conductor 3 that leaks is connected with the signals collecting alarm module 4 that is used to detect the conductor change in resistance.
Be further used as preferred embodiment, be provided with 3 or 4 parallel detection conductors 3 that leak between described watertight insulation oversheath 1 and time outer layer insulation sheath 2.
Be further used as preferred embodiment, after the described detection conductor 3 that leaks amplifies by bridge-type resistance circuit 6 signals, be input to signals collecting alarm module 4 again.
Be further used as preferred embodiment, described signals collecting alarm module 4 is a PLC signals collecting alarm module.
Be further used as preferred embodiment, described signals collecting alarm module 4 is connected with the voltage regulator module 5 that is used to adjust measuring voltage.
Be further used as preferred embodiment, the scope that described voltage regulator module 5 is adjusted measuring voltage is 0V to 300V.
Require underwater cable producer when dispatching from the factory, between cable outer layer watertight insulation course and time outer insulation, provide 3 to 4 and column conductor, can adopt copper conductor or steel wire.
The resistance that the detection alarm system adopts bridge design to detect leaking between the conductor detects and the signal amplification, and PLC is signals collecting, detection, computing and warning executive component, and the resistance that detects between conductor is monitored to leaking.When the breakage of outer watertight insulating sheath, water infiltrates in the insulation course, and the resistance that detects between conductor that leaks can change, and through the signal amplification of electric bridge, is collected the back by PLC and reports to the police.Concrete which root cable also can be confirmed according to the warning passage.
Native system detects voltage by 300V voltage as insulation, effectively strengthens the check signal, guarantees the sensitivity and the reliability of system.
In order to confirm that the degree of leaking adopts adjustable insulation to detect voltage, guarantee the safety and the reliability of system, and in system start-up with in servicely can adjust the detection voltage that insulation detects continuously, the reliability that the detection level of guaranteeing to leak is reported to the police according to detection signal.And avoid detecting the impact damage of voltage to system.
More than be that preferable enforcement of the present utility model is specified, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite of the utility model spirit, modification that these are equal to or replacement all are included in the application's claim institute restricted portion.
Claims (6)
1. underwater cable water leakage alarm detection system, it is characterized in that: comprise the inferior outer layer insulation sheath (2) that is used to wrap up cable, described outer layer insulation sheath (2) is wrapped with watertight insulation oversheath (1), be provided with at least two detection conductors (3) that leak between described watertight insulation oversheath (1) and time outer layer insulation sheath (2), the described detection conductor (3) that leaks is connected with the signals collecting alarm module (4) that is used to detect the conductor change in resistance.
2. underwater cable water leakage alarm detection system according to claim 1 is characterized in that: be provided with 3 or 4 parallel detection conductors (3) that leak between described watertight insulation oversheath (1) and time outer layer insulation sheath (2).
3. underwater cable water leakage alarm detection system according to claim 1 and 2 is characterized in that: after the described detection conductor (3) that leaks amplifies by bridge-type resistance circuit (6) signal, be input to signals collecting alarm module (4) again.
4. underwater cable water leakage alarm detection system according to claim 1 and 2 is characterized in that: described signals collecting alarm module (4) is a PLC signals collecting alarm module.
5. underwater cable water leakage alarm detection system according to claim 1 and 2 is characterized in that: described signals collecting alarm module (4) is connected with the voltage regulator module (5) that is used to adjust measuring voltage.
6. underwater cable water leakage alarm detection system according to claim 5 is characterized in that: the scope that described voltage regulator module (5) is adjusted measuring voltage is 0V to 300V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020643059XU CN201892611U (en) | 2010-12-02 | 2010-12-02 | Water leakage alarming and detecting system of underwater cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020643059XU CN201892611U (en) | 2010-12-02 | 2010-12-02 | Water leakage alarming and detecting system of underwater cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201892611U true CN201892611U (en) | 2011-07-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020643059XU Expired - Lifetime CN201892611U (en) | 2010-12-02 | 2010-12-02 | Water leakage alarming and detecting system of underwater cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201892611U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829939A (en) * | 2012-09-19 | 2012-12-19 | 三一集团有限公司 | Circuit system, engineering machine and water inlet identification method |
| CN110044550A (en) * | 2019-05-22 | 2019-07-23 | 西南石油大学 | A kind of ocean non-adherent flexible duct external sheath layer damage detection device and method |
| CN110500988A (en) * | 2019-08-23 | 2019-11-26 | 索尔实业(集团)有限公司 | If the underwater cable of testing agency |
-
2010
- 2010-12-02 CN CN201020643059XU patent/CN201892611U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829939A (en) * | 2012-09-19 | 2012-12-19 | 三一集团有限公司 | Circuit system, engineering machine and water inlet identification method |
| CN102829939B (en) * | 2012-09-19 | 2015-03-11 | 三一集团有限公司 | Circuit system, engineering machine and water inlet identification method |
| CN110044550A (en) * | 2019-05-22 | 2019-07-23 | 西南石油大学 | A kind of ocean non-adherent flexible duct external sheath layer damage detection device and method |
| CN110500988A (en) * | 2019-08-23 | 2019-11-26 | 索尔实业(集团)有限公司 | If the underwater cable of testing agency |
| CN110500988B (en) * | 2019-08-23 | 2021-08-24 | 索尔实业(集团)有限公司 | Underwater cable with detection mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110706 |