CN116973001B - Umbilical cable stacking temperature rise test system and test method - Google Patents
Umbilical cable stacking temperature rise test system and test method Download PDFInfo
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- CN116973001B CN116973001B CN202311236397.XA CN202311236397A CN116973001B CN 116973001 B CN116973001 B CN 116973001B CN 202311236397 A CN202311236397 A CN 202311236397A CN 116973001 B CN116973001 B CN 116973001B
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- 238000012360 testing method Methods 0.000 title claims abstract description 56
- 238000010998 test method Methods 0.000 title claims abstract description 16
- 239000013307 optical fiber Substances 0.000 claims abstract description 49
- 238000004088 simulation Methods 0.000 claims abstract description 47
- 239000004020 conductor Substances 0.000 claims abstract description 15
- 230000003287 optical effect Effects 0.000 claims description 18
- 238000004804 winding Methods 0.000 claims description 17
- 238000012544 monitoring process Methods 0.000 claims description 16
- 230000000750 progressive effect Effects 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 4
- 238000004861 thermometry Methods 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000009529 body temperature measurement Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 4
- 238000012795 verification Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/10—Thermometers specially adapted for specific purposes for measuring temperature within piled or stacked materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
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Abstract
The invention discloses an umbilical cable stacking temperature rise test system and a test method, comprising the following steps: the umbilical cable paying-off device to be measured comprises a second storage wire reel and an umbilical cable to be measured, wherein the umbilical cable paying-off device to be measured is coiled on the second storage wire reel, the electric unit power generator is arranged in the environment simulation bin, the electric unit power generator is connected with an electrified conductor of the umbilical cable to be measured, and the distributed optical fiber temperature measuring instrument is connected with one end of the umbilical cable to be measured. By means of the method, the umbilical cable stacking temperature rise test system and the umbilical cable stacking temperature rise test method can simulate the use environment and conduct internal temperature tests, and the authenticity and the accuracy of the tests are improved.
Description
Technical Field
The invention relates to the field of umbilical cable winch stacking temperature rise test, in particular to an umbilical cable stacking temperature rise test system and a test method.
Background
Due to the flexible and variable depth of the ROV work, a longer umbilical is required. The umbilical is typically coiled on a winch and coiled and uncoiled as the working depth of the ROV changes.
Since umbilical cables are often several kilometers long, they need to be wound in very many layers on the winch. When the ROV works in a shallow water area, more umbilical cables are not unreeled on the winch, and if the ROV works under high power and full load at the moment, the serious stacking heat accumulation effect exists on the umbilical cables on the winch, so that the problem of stacking temperature rise exists.
The problem of stack temperature rise of the umbilical cable limits the rated current-carrying capacity of the umbilical cable, and simultaneously greatly increases the insulation conductance and increases the risk of insulation thermal breakdown. For the temperature rise design capability of the umbilical cable, a method of referencing design experience of power cable pipeline arrangement and thermal simulation numerical calculation is mostly adopted for design. For the experimental test method, the umbilical cable has extremely high cost, and the temperature measurement can only measure the surface temperature of the outermost layer round, so the significance is not great, and the experimental test is not greatly developed.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the umbilical cable stacking temperature rise test system and the umbilical cable stacking temperature rise test method, test the stacking temperature rise of the umbilical cable winch, improve the authenticity of the test, and accurately measure the temperature rise condition of each layer and each row in the umbilical cable stacking.
In order to solve the technical problems, the invention adopts a technical scheme that: provided is an umbilical stack temperature rise test system, comprising: the umbilical cable pay-off device to be measured comprises a second storage wire reel and an umbilical cable to be measured, wherein the umbilical cable pay-off device to be measured is arranged in the environment simulation bin, the test storage wire reel take-up device comprises a third storage wire reel, the electric unit power generator is connected with an electrified conductor of the umbilical cable to be measured, the distributed optical fiber temperature measuring instrument is connected with one end of the optical temperature measuring unit, and the controller is respectively connected with the distributed optical fiber temperature measuring instrument and the electric unit power generator.
In a preferred embodiment of the present invention, an air flow rate control module, a temperature rise control module and a humidity control module are disposed in the environmental simulation cabin, the air flow rate control module includes a fan and a wind speed monitoring sensor, the temperature rise control module includes a heater and a temperature sensor, the humidity control module includes a humidity sensor and a humidifier, the wind speed monitoring sensor, the temperature sensor and the humidity sensor are respectively connected with a controller for signal transmission, and the controller is respectively connected with the heater, the humidifier and the fan for operation control.
In a preferred embodiment of the present invention, the wind speed monitoring sensor is disposed at an air outlet of the fan, the air outlet of the fan is directed to the test storage wire reel wire collector, and the heater is located in front of the air outlet of the fan.
In a preferred embodiment of the invention, a dual-cable progressive wire combining device positioned at one side of a wire collecting device of a test storage wire disc is arranged in the environment simulation bin, a plurality of routing steering well wheels are respectively arranged between the dual-cable progressive wire combining device and a temperature measuring optical unit paying-off device as well as between the dual-cable progressive wire combining device and an umbilical cable paying-off device to be tested, the dual-cable progressive wire combining device comprises a sliding rail, a sliding seat is arranged below the sliding seat, a first guide wheel group corresponding to the temperature measuring optical unit and a second guide wheel group corresponding to the umbilical cable to be tested are arranged on the sliding seat, and the first guide wheel group and the second guide wheel group are arranged in a V shape.
In a preferred embodiment of the present invention, the apparatus further comprises an isolation flange, and the isolation flange is arranged on the third wire storage reel at intervals.
In a preferred embodiment of the invention, the thermometric light unit comprises a 4-core thermometric optical fiber.
In a preferred embodiment of the present invention, the length of the thermometry light unit is 10km.
In a preferred embodiment of the present invention, the thermometric optical unit payoff device, the umbilical cable payoff device to be tested and the distributed optical fiber thermometric instrument are arranged outside the environmental simulation cabin.
In order to solve the technical problems, the invention adopts another technical scheme that: the utility model provides an umbilical winch stacking temperature rise test method, which comprises the following steps:
the controller is used for controlling the rotating speeds of the temperature measuring light unit paying-off device, the umbilical cable paying-off device to be tested and the test storage wire reel winding device, realizing the consistent paying-off of the temperature measuring light unit and the umbilical cable to be tested, and synchronously and tightly winding the temperature measuring light unit and the umbilical cable to be tested on the third storage wire reel for winding, so that the temperature measuring light unit is positioned in a gap between each layer and each row of adjacent umbilical cables to be tested on the test storage wire reel winding device;
after the wiring is completed, connecting an electrified conductor of the umbilical cable to be tested to an electric unit power generator, and closing a cabin door of the environment simulation cabin;
the environment simulation bin is regulated by the controller, corresponding environment temperature, humidity and wind flow rate are set according to the service environment of the umbilical winch, detection values of the temperature sensor, the humidity sensor and the wind speed monitoring sensor are read by the controller, the work of the temperature rise control module, the humidity control module and the wind flow rate control module is controlled, and the simulated service environment is loaded;
after the environment simulation loading is finished, starting an electric unit power generator to enable the electrified conductor of the umbilical cable to be tested to pass through the required current for heating loading;
and reading optical fiber attenuation data in real time through a distributed optical fiber temperature measuring instrument connected with the temperature measuring light unit, converting the optical fiber attenuation data into a measured temperature value until the measured temperature reaches a set value, recording the power loading time at the moment, and obtaining the temperature measured value of each layer and each row of the umbilical cable to be measured on the third wire storage reel through the data processing of the distributed optical fiber temperature measuring instrument by utilizing the temperature measuring optical fibers distributed in the gaps of each layer and each row of adjacent umbilical cable to be measured on the test wire storage reel.
In order to solve the technical problems, the invention adopts another technical scheme that: the utility model provides an umbilical winch stacking temperature rise test method, which comprises the following steps:
the rotation speeds of the umbilical cable paying-off device to be tested and the test storage wire reel take-up device are controlled by the controller, so that the umbilical cable to be tested is paid off and is tightly coiled on the third storage wire reel for wire arrangement, the umbilical cable to be tested contains multimode optical fibers, a section of temperature measuring optical unit is paid off through the temperature measuring optical unit paying-off device, and the temperature measuring optical unit and the multimode optical fibers are welded;
after the wiring is completed, connecting an electrified conductor of the umbilical cable to be tested to an electric unit power generator, and closing a cabin door of the environment simulation cabin;
the environment simulation bin is regulated by the controller, corresponding environment temperature, humidity and wind flow rate are set according to the service environment of the umbilical winch, detection values of the temperature sensor, the humidity sensor and the wind speed monitoring sensor are read by the controller, the work of the temperature rise control module, the humidity control module and the wind flow rate control module is controlled, and the simulated service environment is loaded;
after the environment simulation loading is finished, starting an electric unit power generator to enable the electrified conductor of the umbilical cable to be tested to pass through the required current for heating loading;
and reading optical fiber attenuation data in real time through a distributed optical fiber temperature measuring instrument connected with the temperature measuring light unit, converting the optical fiber attenuation data into a measured temperature value until the measured temperature reaches a set value, recording the power loading time at the moment, and obtaining the temperature measured values of each layer and each row of umbilical cable to be measured on the third storage wire reel by utilizing the data processing of the multimode optical fiber and the distributed optical fiber temperature measuring instrument.
The beneficial effects of the invention are as follows: according to the umbilical cable stacking temperature rise test system and the umbilical cable stacking temperature rise test method, the use environment of an umbilical cable winch can be simulated through the environment simulation bin, temperature measurement of each layer and each row of umbilical cables to be tested is carried out through the temperature measurement light unit on the temperature measurement light unit paying-off device, the authenticity and accuracy of the test are improved, the highest temperature value inside the umbilical cables to be tested after being stacked is obtained, the number of layers and the number of rows of the umbilical cables to be tested on the third storage wire drum can be limited through moving and adjusting of the isolation flange, the simulation of the number of layers and the number of rows of the umbilical cables to be tested is facilitated, the simulation test of the umbilical cables with small lengths is adapted, the experiment verification of a small sample in the initial temperature rise design stage is guided, the experimental verification of measuring thermal simulation numerical calculation can be used, the accuracy of simulation results is improved, the umbilical cable stacking temperature rise test of the umbilical cables without multimode fibers can be used, and the umbilical cable stacking temperature rise test of the multimode fibers can be applied to the umbilical cables with the multimode fibers.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic diagram of an umbilical stack temperature rise test system and a test method according to a preferred embodiment of the present invention;
fig. 2 is a partial enlarged view of a portion a in fig. 1.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 2, an embodiment of the present invention includes:
an umbilical stack temperature rise test system as shown in fig. 1, comprising: the temperature measuring optical unit paying-off device 1, the umbilical cable paying-off device 2 to be measured, the distributed optical fiber temperature measuring instrument 3, the electric unit power generator 4, the test storage wire reel wire winder 5, the environment simulation bin 7 and the controller (which can adopt PLC), wherein the temperature measuring optical unit paying-off device 1 comprises a first storage wire reel and a temperature measuring optical unit 15 coiled on the first storage wire reel, and paying-off of the temperature measuring optical unit 15 is carried out.
The umbilical cable pay-off device 2 to be tested comprises a second storage wire reel and an umbilical cable 16 to be tested wound on the second storage wire reel, and is used for paying off the umbilical cable 16 to be tested. The test storage wire reel wire winder 5 is arranged in the environment simulation bin 7, and the test storage wire reel wire winder 5 comprises a third storage wire reel and is used for independently winding the umbilical cable 16 to be tested or synchronously winding the umbilical cable 16 to be tested and the temperature measuring light unit 15.
In order to adapt to umbilical cables with small sections, the isolation flanges 6 can be arranged on the third storage wire drum at intervals, the number of layers and the number of rows of the umbilical cables 16 to be tested on the third storage wire drum are limited by moving and adjusting the isolation flanges 6 on the third storage wire drum, the simulation test of the umbilical cables with small sections is facilitated, the simulation test of the umbilical cables with small sections is adapted, the experiment verification of a small sample in the early stage of temperature rise design is guided, and the cost is reduced.
The electric unit power generator 4 is connected with a conductive body in the umbilical cable 16 to be tested, and is subjected to heating loading after being electrified. The distributed optical fiber temperature measuring instrument 3 is connected with one end of a temperature measuring light unit 15 for measuring temperature. The controller is respectively connected with the distributed optical fiber temperature measuring instrument 3 and the electric unit power generator 4 for respectively and automatically controlling.
In order to simulate the working environment of the winch of the umbilical cable on the sea or the ship, an air flow speed control module 8, a temperature rise control module 12 and a humidity control module 9 are arranged in an environment simulation bin 7, the air flow speed control module 8 comprises a fan and an air flow speed monitoring sensor, the air flow environment on the sea is simulated through the fan, the air flow speed monitoring sensor can be arranged at an air outlet of the fan, and the air flow speed monitoring sensor is used for carrying out air flow monitoring and feedback.
In this embodiment, the temperature rise control module 12 includes a heater and a temperature sensor, and the air in the environmental simulation chamber 7 is heated by the heater, and the temperature in the environmental simulation chamber 7 is monitored and fed back by the temperature sensor. The humidity control module 9 comprises a humidity sensor and a humidifier, and is used for adjusting the air humidity through the humidifier, simulating the offshore air humidity and monitoring and feeding back the humidity in the environment simulation bin 7. The wind speed monitoring sensor, the temperature sensor and the humidity sensor are respectively connected with the controller for signal transmission, the controller is respectively connected with the heater, the humidifier and the fan for operation control, and the automation of control is improved.
In addition, the air outlet of the fan can point to the test wire storage reel wire collector 5, the heater is positioned in front of the air outlet of the fan, heat of the heater is taken away by utilizing air flow, rapid temperature rise of the environment simulation bin 7 is carried out, and uniformity of temperature distribution is improved.
The environment simulation bin 7 is provided with a double-cable progressive type doubling device 10 positioned at one side of the test storage wire reel 5, a plurality of routing steering well wheels 11 are respectively arranged between the double-cable progressive type doubling device 10 and the temperature measuring light unit paying-off device 1 and the umbilical cable paying-off device 2 to be tested, the temperature measuring light unit paying-off device 1 and the umbilical cable paying-off device 2 to be tested are positioned at the outer side of the environment simulation bin 7, preferably at the same side, the temperature measuring light unit 15 and the umbilical cable 16 to be tested are sent to the double-cable progressive type doubling device 10 through the routing steering well wheels 11, and the distributed optical fiber temperature measuring instrument 3 is also arranged outside the environment simulation bin 7 and is not influenced by the environment simulation bin 7.
As shown in fig. 2, the dual-cable progressive type doubling device comprises a sliding rail 13 with a sliding seat arranged below a sliding seat 18, and the sliding seat 18 can be driven by a motor and rollers to transversely move on the sliding rail 13 so as to adapt to winding of an umbilical cable 16 to be tested. The slide 18 is provided with a first guide wheel set 14 corresponding to the temperature measuring light unit 15 and a second guide wheel set 17 corresponding to the umbilical cable 16 to be measured, the first guide wheel set 14 and the second guide wheel set 17 respectively comprise guide wheels of 2 rows of arc lines, the first guide wheel set 14 and the second guide wheel set 17 are arranged in a V shape, the temperature measuring light unit 15 is guided to be gradually close to the umbilical cable 16 to be measured, winding is synchronously performed, and the compactness of the temperature measuring light unit 15 and the umbilical cable 16 to be measured after winding is improved.
In this embodiment, the temperature measuring light unit 15 includes a 4-core temperature measuring optical fiber, and the outer wall can be protected by a stainless steel tube, so that the extrusion resistance and the wear resistance are good. The length of the temperature measuring light unit 15 is 10km, and umbilical cables 16 to be measured with different lengths can be suitable.
Examples
The stacking temperature rise test method for the umbilical winch comprises the following steps of:
the rotation speeds of the temperature measuring light unit paying-off device 1, the umbilical cable paying-off device 2 to be tested and the test storage wire reel winding device 5 are controlled by the controller, so that the temperature measuring light unit 15 and the umbilical cable 16 to be tested are paid off in a consistent manner and synchronously and tightly wound on the third storage wire reel for wire arrangement, and the temperature measuring light unit 15 is positioned in a gap between each layer and each row of adjacent umbilical cables 16 to be tested on the test storage wire reel winding device;
after the wiring is completed, connecting the electrified conductor of the umbilical cable 16 to be tested to the electric unit power generator 4, and closing the cabin door of the environment simulation cabin;
the environment simulation bin 7 is regulated by the controller, corresponding environment temperature, humidity and wind flow rate are set according to the service environment of the umbilical winch, detection values of the temperature sensor, the humidity sensor and the wind speed monitoring sensor are read by the controller, the work of the temperature rise control module 12, the humidity control module 9 and the wind flow rate control module 8 is controlled, and the simulated service environment is loaded;
after the environment simulation loading is finished, starting the electric unit power generator 4 to enable the electrified conductor of the umbilical cable 16 to be tested to pass through the required current for heating loading;
the distributed optical fiber temperature measuring instrument 3 connected with the temperature measuring light unit 15 reads optical fiber attenuation data in real time, converts the optical fiber attenuation data into measured temperature values until the measured temperature reaches a set value, records the power loading time at the moment, and obtains the temperature measurement value of each layer and each row of umbilical cables to be measured on the third wire storage disk through the data processing of the distributed optical fiber temperature measuring instrument by utilizing the temperature measuring optical fibers distributed in the gaps between each layer and each row of adjacent umbilical cable to be measured arranged on the wire storage disk.
Examples
The stacking temperature rise test method for the umbilical winch comprises the following steps of:
the rotation speed of the umbilical cable paying-off device to be tested and the rotation speed of the test storage wire reel take-up device are controlled by the controller, so that the umbilical cable to be tested is paid off and is tightly coiled on the third storage wire reel, and the umbilical cable 16 to be tested is singly wired;
after the wiring is completed, connecting the electrified conductor of the umbilical cable 16 to be tested to the electric unit power generator 4, and closing the cabin door of the environment simulation cabin 7;
the environment simulation bin 7 is regulated by the controller, corresponding environment temperature, humidity and wind flow rate are set according to the service environment of the umbilical winch, detection values of the temperature sensor, the humidity sensor and the wind speed monitoring sensor are read by the controller, the work of the temperature rise control module, the humidity control module and the wind flow rate control module is controlled, and the simulated service environment is loaded;
after the environment simulation loading is finished, starting an electric unit power generator to enable the electrified conductor of the umbilical cable to be tested to pass through the required current for heating loading;
and reading optical fiber attenuation data in real time through a distributed optical fiber temperature measuring instrument connected with the temperature measuring light unit, converting the optical fiber attenuation data into a measured temperature value until the measured temperature reaches a set value, recording the power loading time at the moment, and obtaining the temperature measured values of each layer and each row of umbilical cable to be measured on the third storage wire reel by utilizing the data processing of the multimode optical fiber and the distributed optical fiber temperature measuring instrument.
In summary, the umbilical cable stacking temperature rise test system and the umbilical cable stacking temperature rise test method can simulate the actual use environment of an umbilical cable, improve the accuracy of temperature rise test, are simple and convenient to operate, have high automation degree, and are suitable for stacking temperature rise test of the umbilical cable with or without multimode optical fibers.
The foregoing is only illustrative of the present invention and is not to be construed as limiting the scope of the invention, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present invention or by other related art, either directly or indirectly, are intended to be included within the scope of the invention.
Claims (8)
1. An umbilical stack temperature rise test system, comprising: the temperature measuring optical unit paying-off device comprises a first storage wire coil and a temperature measuring optical unit coiled on the first storage wire coil, the umbilical cable paying-off device to be measured comprises a second storage wire coil and an umbilical cable to be measured coiled on the second storage wire coil, the test storage wire coil winding device is arranged in the environment simulation bin, the third storage wire coil is arranged on the test storage wire coil winding device, the electric unit power generator is connected with an electrified conductor of the umbilical cable to be measured, the distributed optical fiber temperature measuring instrument is connected with one end of the temperature measuring optical unit, the controller is respectively connected with the distributed optical fiber temperature measuring instrument and the electric unit power generator, the temperature measuring optical unit paying-off device, the umbilical cable paying-off device to be measured and the distributed optical fiber instrument are arranged outside the environment simulation bin, an air flow control module, an air temperature rise control module and a humidity control module are arranged in the environment simulation bin, the air flow control module and the humidity control module are arranged in the environment simulation bin, the electric fiber temperature sensor is connected with the air flow control module, the air flow control module and the humidity sensor, the humidity sensor and the humidity sensor are connected with the humidity sensor, and the humidity sensor are connected with the humidity sensor and the humidity sensor respectively, and the humidity sensor are connected with the humidity sensor and the humidity sensor respectively.
2. The umbilical stack temperature rise test system of claim 1, wherein the wind speed monitoring sensor is disposed at an air outlet of a fan, the air outlet of the fan is directed to a test storage reel wire winder, and the heater is located in front of the air outlet of the fan.
3. The umbilical cable stacking temperature rise test system according to claim 1, wherein a double-cable progressive type doubling device positioned on one side of the test storage wire reel is arranged in the environment simulation bin, a plurality of routing steering well wheels are respectively arranged between the double-cable progressive type doubling device and the temperature measuring light unit paying-off device as well as between the double-cable progressive type doubling device and the umbilical cable paying-off device to be tested, the double-cable progressive type doubling device comprises a sliding rail arranged below the sliding seat, a first guide wheel group corresponding to the temperature measuring light unit and a second guide wheel group corresponding to the umbilical cable to be tested are arranged on the sliding seat, and the first guide wheel group and the second guide wheel group are arranged in a V shape.
4. The umbilical stack temperature rise test system of claim 1, further comprising isolation flanges spaced apart on a third storage reel.
5. The umbilical stack temperature rise test system of claim 1, wherein the thermometry light unit comprises a 4-core thermometry optical fiber.
6. The umbilical stack temperature rise test system of claim 1, wherein the length of the thermometry light unit is 10km.
7. The umbilical winch stacking temperature rise test method adopts the umbilical winch stacking temperature rise test system according to any one of claims 1-6, and is characterized by comprising the following steps:
the controller is used for controlling the rotating speeds of the temperature measuring light unit paying-off device, the umbilical cable paying-off device to be tested and the test storage wire reel winding device, realizing the consistent paying-off of the temperature measuring light unit and the umbilical cable to be tested, and synchronously and tightly winding the temperature measuring light unit and the umbilical cable to be tested on the third storage wire reel for winding, so that the temperature measuring light unit is positioned in a gap between each layer and each row of adjacent umbilical cables to be tested on the test storage wire reel winding device;
after the wiring is completed, connecting an electrified conductor of the umbilical cable to be tested to an electric unit power generator, and closing a cabin door of the environment simulation cabin;
the environment simulation bin is regulated by the controller, corresponding environment temperature, humidity and wind flow rate are set according to the service environment of the umbilical winch, detection values of the temperature sensor, the humidity sensor and the wind speed monitoring sensor are read by the controller, the work of the temperature rise control module, the humidity control module and the wind flow rate control module is controlled, and the simulated service environment is loaded;
after the environment simulation loading is finished, starting an electric unit power generator to enable the electrified conductor of the umbilical cable to be tested to pass through the required current for heating loading;
and reading optical fiber attenuation data in real time through a distributed optical fiber temperature measuring instrument connected with the temperature measuring light unit, converting the optical fiber attenuation data into a measured temperature value until the measured temperature reaches a set value, recording the power loading time at the moment, and obtaining the temperature measured value of each layer and each row of the umbilical cable to be measured on the third wire storage reel through the data processing of the distributed optical fiber temperature measuring instrument by utilizing the temperature measuring optical fibers distributed in the gaps of each layer and each row of adjacent umbilical cable to be measured on the test wire storage reel.
8. The umbilical winch stacking temperature rise test method adopts the umbilical winch stacking temperature rise test system according to any one of claims 1-6, and is characterized by comprising the following steps:
the rotation speeds of the umbilical cable paying-off device to be tested and the test storage wire reel take-up device are controlled by the controller, so that the umbilical cable to be tested is paid off and is tightly coiled on the third storage wire reel for wire arrangement, the umbilical cable to be tested contains multimode optical fibers, a section of temperature measuring optical unit is paid off through the temperature measuring optical unit paying-off device, and the temperature measuring optical unit and the multimode optical fibers are welded;
after the wiring is completed, connecting an electrified conductor of the umbilical cable to be tested to an electric unit power generator, and closing a cabin door of the environment simulation cabin;
the environment simulation bin is regulated by the controller, corresponding environment temperature, humidity and wind flow rate are set according to the service environment of the umbilical winch, detection values of the temperature sensor, the humidity sensor and the wind speed monitoring sensor are read by the controller, the work of the temperature rise control module, the humidity control module and the wind flow rate control module is controlled, and the simulated service environment is loaded;
after the environment simulation loading is finished, starting an electric unit power generator to enable the electrified conductor of the umbilical cable to be tested to pass through the required current for heating loading;
and reading optical fiber attenuation data in real time through a distributed optical fiber temperature measuring instrument connected with the temperature measuring light unit, converting the optical fiber attenuation data into a measured temperature value until the measured temperature reaches a set value, recording the power loading time at the moment, and obtaining the temperature measured values of each layer and each row of umbilical cable to be measured on the third storage wire reel by utilizing the data processing of the multimode optical fiber and the distributed optical fiber temperature measuring instrument.
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| CN202311236397.XA CN116973001B (en) | 2023-09-25 | 2023-09-25 | Umbilical cable stacking temperature rise test system and test method |
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