CN110233463B - Submarine cable landing section water circulation forced cooling system - Google Patents
Submarine cable landing section water circulation forced cooling system Download PDFInfo
- Publication number
- CN110233463B CN110233463B CN201910480753.XA CN201910480753A CN110233463B CN 110233463 B CN110233463 B CN 110233463B CN 201910480753 A CN201910480753 A CN 201910480753A CN 110233463 B CN110233463 B CN 110233463B
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- cable
- flange
- cooling
- water circulation
- water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 238000001816 cooling Methods 0.000 title claims abstract description 72
- 238000010276 construction Methods 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 28
- 229920001971 elastomer Polymers 0.000 claims description 23
- 229910052802 copper Inorganic materials 0.000 claims description 15
- 239000010949 copper Substances 0.000 claims description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 14
- 229920002379 silicone rubber Polymers 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 229920002943 EPDM rubber Polymers 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 abstract description 4
- 239000013535 sea water Substances 0.000 abstract description 2
- 239000002689 soil Substances 0.000 abstract description 2
- 238000009529 body temperature measurement Methods 0.000 description 11
- 239000004945 silicone rubber Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 4
- 238000000605 extraction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0028—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for cooling heat generating elements, e.g. for cooling electronic components or electric devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/03—Cooling
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
- Cable Accessories (AREA)
Abstract
The invention discloses a submarine cable landing section water circulation forced cooling system, and relates to the field of cable land Duan Shui circulation forced cooling. The landing section of the submarine cable from sea water to shore can be exposed to sunlight for a long time or buried under the soil which is not easy to dissipate heat, and the conveying capacity of the submarine cable is greatly reduced by adopting a compact construction mode, so that the area becomes a bottleneck section for limiting the conveying capacity of the whole cable. The invention comprises a water circulation cooling treatment device, a water inlet pipe, a return pipe and a cooling pipeline, wherein cooling water flows through the water inlet pipe and the cooling pipeline from the water circulation cooling treatment device, heat generated by current applied by a cable is taken away by the circulating water, and then flows back to the water circulation cooling treatment device from the return pipe for cooling treatment and then is cooled again in a circulation manner. The cooling of the cable for compact construction is effectively realized, a low-temperature environment is provided for the cable at the login section, and the influence on the service life caused by the overhigh temperature of the cable at the login section is avoided.
Description
Technical Field
The invention relates to the field of forced cooling of cable land Duan Shui circulation, in particular to a water circulation forced cooling system for a submarine cable landing section.
Background
At present, a compact laying construction mode is generally adopted in foreign long-distance high-voltage submarine cable engineering, namely a plurality of submarine cables are synchronously untwisted and synchronously output, and are bundled before the submarine cables enter water and are synchronously laid on the seabed. The operation mode can save a great amount of submarine cable construction cost and can save submarine galleries. The construction mode is also being greatly popularized by domestic construction units, and corresponding compact construction equipment has been developed. But the compact construction laying mode is adopted to enable each cable to be in close contact, so that the conveying capacity of the submarine cable is reduced to a certain extent.
The submarine cable is relatively stable in the submarine environment temperature, generally lower than 10 ℃, but cannot be higher than 20 ℃ in shallow sea, the temperature range can ensure that the submarine cable can still be in a good heat dissipation environment by adopting a compact laying mode, a landing section from sea water to shore can be exposed to sunlight for a long time or buried under the soil which is difficult to dissipate heat, and the conveying capacity of the submarine cable is greatly reduced by adopting a compact construction mode, so that the area becomes a bottleneck section for limiting the conveying capacity of the whole cable.
In order to improve the conveying capacity of the submarine cable landing section, the research of forced cooling of the cable is started in the early century abroad, and a plurality of related engineering examples exist, but technical details are not disclosed externally, and the technology belongs to the dominant technology mastered by manufacturers. The forced cooling cable technology is researched by China later in start, related researches are less, no mature theory and experience exist yet, and no report on the forced water cooling technology adopted in engineering exists.
Disclosure of Invention
The technical problems to be solved and the technical task to be solved by the invention are to perfect and improve the prior art scheme, and the invention provides a submarine cable landing section water circulation forced cooling system, which aims to provide a low-temperature environment for a plurality of cables which are simultaneously bundled and laid, and avoid the influence on the service life caused by overhigh temperature of a cable conductor at the landing section. For this purpose, the present invention adopts the following technical scheme.
The utility model provides a submarine cable landing section hydrologic cycle forced cooling system, includes hydrologic cycle cooling processing apparatus, water inlet pipe, back flow and cooling tube, the water inlet pipe connect in hydrologic cycle cooling processing apparatus's delivery port, the back flow connect in hydrologic cycle cooling processing apparatus's backward flow mouth, cooling tube overcoat on the submarine landing cable of compact construction, cooling tube's both ends seal arrangement, wherein one end links into the water pipe, the back flow is connected to the other end, hydrologic cycle cooling processing apparatus be the standard refrigeration cycle system that can realize system's water outlet temperature and flow control. Cooling water flows through the water inlet pipe and the cooling pipeline from the water circulation cooling treatment device, heat generated by current applied to the cable is taken away through circulating water, and then flows back to the water circulation cooling treatment device from the return pipe for cooling treatment and then is circulated and cooled again, the water outlet temperature and flow of the water circulation cooling treatment device can be regulated and controlled according to actual conditions, cooling of the cable in compact construction is effectively achieved, a low-temperature environment is provided for the cable in the login section, and the influence on the service life due to overhigh temperature of the conductor of the cable in the login section is avoided.
As a preferable technical means: the cooling pipeline comprises a plurality of rubber hoses, end sealing flanges and intermediate connecting flanges, wherein rubber flange connectors are arranged at two ends of each rubber hose, the rubber hoses are in sealing connection through the intermediate connecting flanges, and the end sealing flanges are connected at two ends of the cooling pipeline. By adopting the splice type, when the cooling length of the cable is large, the multi-section rubber hose is assembled together through the middle connecting flange, so that the on-site connection and installation of the cooling pipeline can be conveniently realized, and the manufacturing and the transportation are convenient.
As a preferable technical means: the middle connecting flange comprises flange connection discs at two ends and a flange pipe body positioned between the flange connection discs at two ends, wherein a middle flange opening perpendicular to the flange pipe body is arranged on the flange pipe body, a sealing cover plate matched with the middle flange opening is arranged on the middle flange opening, and a temperature measuring copper binding post penetrating through the inside and the outside of the flange pipe body is arranged on the cover plate. The flange connection discs at the two ends are used for being in butt joint with the reserved flange interfaces of the rubber hose, the middle flange ports are in butt joint with the sealing cover plate, and the cover plate is provided with the temperature measuring copper binding posts penetrating through the inside and the outside of the pipeline, so that the sealing and the extraction of the thermocouple temperature measuring wires are realized simultaneously, the structure is simple, and the use effect is good.
As a preferable technical means: the cable on install and lay thermocouple temperature measuring device, the temperature measurement lead wire evenly bindes the inside end of flange body that is connected to the temperature measurement copper terminal of corresponding temperature measurement point after, temperature measurement copper terminal outer end is connected to temperature measurement module, the inside and outside end cladding glass cement of temperature measurement copper terminal. The temperature measuring function is reliably realized, and the influence of water on temperature measurement can be effectively reduced after the glass cement is coated on the temperature measuring binding post.
As a preferable technical means: the end sealing flange is provided with cable outlet holes with the same number as the cables, and the end face of the end sealing flange is provided with a water inlet and outlet pipe connector connected with a water inlet pipe or a return pipe. The cable is convenient for pass through in the setting of cable outlet hole, and business turn over water pipe interface's setting is convenient for realize with going into water pipe or back flow connection.
As a preferable technical means: the cable and the cable outlet hole are sealed by means of extruding a silicone rubber mold. The flexible extrusion performance of the silicone rubber can increase the contact surface of the silicone rubber and the cable, and the sealing effect is good.
As a preferable technical means: the water inlet pipe and the return pipe are made of ethylene propylene diene monomer rubber materials. The ethylene propylene diene monomer rubber material has better mechanical property and can bear the water pressure under the maximum water flow.
As a preferable technical means: the length of each rubber hose is equal, and the length dimension is between 4 meters and 5 meters. The rubber hose in the size range has moderate length and is convenient to carry and transport.
The beneficial effects are that: the heat generated in the cable operation process is taken away by the water circulation forced cooling means, so that the operation cable is in a lower environment temperature for a long time, the influence of the overhigh temperature of the cable conductor on the service life is avoided, and a scientific means is provided for improving the conveying capacity of a landing section in the condition of high-voltage high-capacity cable electric energy transmission, especially submarine cable compact laying in China.
Drawings
Fig. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is an enlarged schematic view of the portion a of fig. 1 according to the present invention.
Fig. 3 is a schematic view of the end seal flange of the present invention.
Fig. 4 is a schematic view of the intermediate connection flange structure of the present invention.
In the figure: 1-a water circulation cooling treatment device; 2-a water inlet pipe; 3-a return pipe; 4-cooling pipes; 5-cable; 401-a rubber hose; 402-end sealing flanges; 403-an intermediate connection flange; 40201-cable exit aperture; 40202-water inlet and outlet pipe interfaces; 40301 flange connection pads; 40302-flange pipe body; 40303-intermediate flange ports; 40304-cover plate; 40305-copper terminal for measuring temperature.
Detailed Description
The technical scheme of the invention is further described in detail below with reference to the attached drawings.
As shown in figures 1-4, the submarine cable landing section water circulation forced cooling system comprises a water circulation cooling treatment device 1, a water inlet pipe 2, a return pipe 3 and a cooling pipeline 4, wherein the water inlet pipe 2 is connected to a water outlet of the water circulation cooling treatment device 1, the return pipe 3 is connected to a return port of the water circulation cooling treatment device 1, the cooling pipeline 4 is sleeved on a submarine landing cable 5 for compact construction, two ends of the cooling pipeline 4 are arranged in a sealing manner, one end of the cooling pipeline is connected with the water inlet pipe 2, the other end of the cooling pipeline is connected with the return pipe 3, and the water circulation cooling treatment device 1 is a standard refrigeration circulation system capable of realizing system water outlet temperature and flow control.
In order to facilitate transportation and installation, the cooling pipeline 4 comprises a plurality of rubber hoses 401, end sealing flanges 402 and intermediate connecting flanges 403, rubber flange connectors are arranged at two ends of the rubber hoses 401, the rubber hoses 401 are in sealing connection through the intermediate connecting flanges 403, and the two ends of the cooling pipeline 4 are connected with the end sealing flanges 402. By adopting the splice type, when the cooling length of the cable 5 is large, the multi-section rubber hose 401 is assembled together through the middle connecting flange 403, so that the on-site connection and installation of the cooling pipeline 4 can be conveniently realized, and the manufacturing and the transportation are convenient.
In order to connect two rubber hoses 401 and facilitate the extraction of temperature measurement wires, the middle connecting flange 403 comprises flange connecting discs 40301 at two ends and a flange pipe body 40302 positioned between the flange connecting discs 40301 at two ends, a middle flange opening 40303 perpendicular to the flange pipe body 40302 is arranged on the flange pipe body 40302, a sealing cover plate 40304 matched with the middle flange opening 40303 is arranged on the middle flange opening 40303, and a temperature measurement copper binding post 40305 penetrating through the inside and the outside of the flange pipe body 40302 is arranged on the cover plate 40304. The flange connection discs 40301 at the two ends are used for being in butt joint with the flange interface reserved by the rubber hose 401, the middle flange port 40303 is in butt joint with the sealing cover plate 40304, and the cover plate 40304 is provided with the temperature measuring copper binding post 40305 penetrating through the inside and the outside of the pipeline, so that the sealing and the extraction of a thermocouple temperature measuring wire are realized simultaneously, the structure is simple, and the use effect is good.
In order to reduce the influence of water on temperature measurement, a thermocouple temperature measuring device is installed and laid on the cable 5, the temperature measuring lead wire is uniformly bundled and then connected to the inner end of the flange pipe body 40302 of the temperature measuring copper binding post 40305 corresponding to the temperature measuring point, the outer end of the temperature measuring copper binding post 40305 is connected to the temperature measuring module, and the inner end and the outer end of the temperature measuring copper binding post 40305 are coated with glass cement. The temperature measuring function is reliably realized, and the influence of water on temperature measurement can be effectively reduced after the glass cement is coated on the temperature measuring binding post.
In order to facilitate the passage of the cables 5 and the connection to the water inlet pipe 2 or the return pipe 3, the end sealing flange 402 is provided with the same number of cable outlet holes 40201 as the cables 5, and the end face of the end sealing flange 402 is provided with a water inlet and outlet pipe connector 40202 connected with the water inlet pipe 2 or the return pipe 3. The square cable outlet 40201 is convenient for the cable 5 to pass through, and the water inlet and outlet pipe connector 40202 is convenient for realizing connection with the water inlet pipe 2 or the return pipe 3.
In order to obtain a good sealing effect, the cable 5 and the cable outlet 40201 are sealed by means of a silicone rubber mold. The flexible extrusion performance of the silicone rubber can increase the contact surface between the silicone rubber and the cable 5, and the sealing effect is good.
In this example, the water inlet pipe 2 and the return pipe 3 are made of ethylene propylene diene monomer rubber materials. The ethylene propylene diene monomer rubber material has better mechanical property and can bear the water pressure under the maximum water flow.
In this example, each of the rubber hoses 401 has an equal length and a length dimension of 4.5 meters. The rubber hose 401 of this size is moderate in length and convenient to carry and transport.
In the example, the cover plate 40304 is made of organic glass material, so that the stability is good, the mechanical strength is high, and the flow condition of the cooling water in the interior can be observed conveniently.
The cooling water flows through the water inlet pipe 2 and the cooling pipeline 4 from the water circulation cooling treatment device 1, heat generated by applying current to the cable 5 is taken away through circulating water, and then flows back to the water circulation cooling treatment device 1 from the return pipe 3 for cooling treatment and then is circulated and cooled again, the water outlet temperature and flow of the water circulation cooling treatment device 1 can be regulated and controlled according to actual conditions, cooling of the cable 5 in compact construction is effectively realized, a low-temperature environment is provided for the logging-in section cable 5, and the influence on the service life due to overhigh conductor temperature of the logging-in section cable 5 is avoided.
The water circulation forced cooling system of the submarine cable landing section shown in the above figures 1-4 is a specific embodiment of the invention, has already shown the essential characteristics and improvements of the invention, and can be subjected to equivalent modification in terms of shape, structure and the like according to actual use requirements under the teaching of the invention, and the water circulation forced cooling system is within the scope of protection of the scheme.
Claims (5)
1. A submarine cable landing section water circulation forced cooling system is characterized in that: the cooling pipeline (4) is sleeved on a submarine landing cable (5) for compact construction, two ends of the cooling pipeline (4) are arranged in a sealing mode, one end of the cooling pipeline is connected with the water inlet pipe (2), the other end of the cooling pipeline is connected with the return pipe (3), and the water circulation cooling processing device (1) is a standard refrigeration circulation system capable of controlling the water outlet temperature and flow of a system;
The cooling pipeline (4) comprises a plurality of rubber hoses (401), end sealing flanges (402) and middle connecting flanges (403), rubber flange connectors are arranged at two ends of each rubber hose (401), the rubber hoses (401) are connected in a sealing mode through the middle connecting flanges (403), and the end sealing flanges (402) are connected at two ends of the cooling pipeline (4);
the middle connecting flange (403) comprises flange connecting discs (40301) at two ends and a flange pipe body (40302) positioned between the flange connecting discs (40301) at two ends, a middle flange opening (40303) perpendicular to the flange pipe body (40302) is arranged on the flange pipe body, a sealing cover plate (40304) matched with the middle flange opening (40303) is arranged on the middle flange opening, and a temperature measuring copper binding post (40305) penetrating through the inside and the outside of the flange pipe body (40302) is arranged on the cover plate (40304);
The end sealing flange (402) is provided with cable outlet holes (40201) the same as the cables (5), and the end face of the end sealing flange (402) is provided with a water inlet and outlet pipe connector (40202) connected with the water inlet pipe (2) or the return pipe (3).
2. The submarine cable landing section water circulation forced cooling system according to claim 1, wherein: the cable (5) is provided with a thermocouple temperature measuring device, the temperature measuring lead is uniformly bundled and then connected to the inner end of a flange pipe body (40302) of a temperature measuring copper binding post (40305) corresponding to a temperature measuring point, the outer end of the temperature measuring copper binding post (40305) is connected to a temperature measuring module, and the inner end and the outer end of the temperature measuring copper binding post (40305) are coated with glass cement.
3. The submarine cable landing section water circulation forced cooling system according to claim 1, wherein: the cable (5) and the cable outlet hole (40201) are sealed by means of a silicon rubber mold extrusion.
4. The submarine cable landing section water circulation forced cooling system according to claim 1, wherein: the water inlet pipe (2) and the return pipe (3) are made of ethylene propylene diene monomer rubber materials.
5. The submarine cable landing section water circulation forced cooling system according to claim 1, wherein: the length of each rubber hose (401) is equal, and the length dimension is between 4 meters and 5 meters.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910480753.XA CN110233463B (en) | 2019-06-04 | 2019-06-04 | Submarine cable landing section water circulation forced cooling system |
| PCT/CN2019/118984 WO2020244161A1 (en) | 2019-06-04 | 2019-11-15 | Forced water circulation cooling system for submarine communications cable landing segment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910480753.XA CN110233463B (en) | 2019-06-04 | 2019-06-04 | Submarine cable landing section water circulation forced cooling system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110233463A CN110233463A (en) | 2019-09-13 |
| CN110233463B true CN110233463B (en) | 2024-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910480753.XA Active CN110233463B (en) | 2019-06-04 | 2019-06-04 | Submarine cable landing section water circulation forced cooling system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110233463B (en) |
| WO (1) | WO2020244161A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233463B (en) * | 2019-06-04 | 2024-07-12 | 国网浙江省电力有限公司 | Submarine cable landing section water circulation forced cooling system |
| CN113594988B (en) * | 2021-09-30 | 2021-12-07 | 江苏南通鑫业网络科技有限公司 | Wiring device for communication transmission |
Citations (3)
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| CN102748537A (en) * | 2011-04-19 | 2012-10-24 | 上海电缆研究所 | Seal run-through structure for extracting electric cables from enclosed container |
| CN204884653U (en) * | 2015-05-29 | 2015-12-16 | 浙江海洋学院 | Seashore cable ground pipe laying cooling device |
| CN209881358U (en) * | 2019-06-04 | 2019-12-31 | 国网浙江省电力有限公司 | Submarine cable landing section water circulation forced cooling system for compact construction |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3675913B2 (en) * | 1995-11-02 | 2005-07-27 | 古河電気工業株式会社 | Landing part of armored cable laid underwater |
| CN201656413U (en) * | 2010-01-19 | 2010-11-24 | 许伟 | Connecting device for middle heads of undersea power cable |
| DE102013022347B3 (en) * | 2013-03-14 | 2019-01-24 | Werner Spiegel | Active cooling of cables with gaseous or liquid cooling media |
| CN203941754U (en) * | 2014-04-21 | 2014-11-12 | 浙江海洋学院 | A kind of seashore cable heat pipe cooling device |
| DE102015101076A1 (en) * | 2015-01-26 | 2016-07-28 | Werner Spiegel | Methods and apparatus for the active cooling of power cables |
| CN104848621B (en) * | 2015-04-20 | 2017-03-01 | 国家电网公司 | A kind of system logging in section circulation temperature lowering using tide energy to submarine cable |
| DE102016218702A1 (en) * | 2016-09-28 | 2018-03-29 | Innogy Se | Method for improving the electrical conductivity of submarine cables for energy transmission and cable entry of an offshore structure |
| CN206820127U (en) * | 2017-06-23 | 2017-12-29 | 秉岳电气(上海)有限公司 | Cable connector |
| CN207251151U (en) * | 2017-07-19 | 2018-04-17 | 舟山启明电力设计院有限公司 | A kind of whole cooling system for logging in section cooling to submarine cable using tide |
| CN108454061A (en) * | 2018-04-25 | 2018-08-28 | 福建通宇电缆有限公司 | A kind of cable plastic extrusion production line cooling component |
| CN110233463B (en) * | 2019-06-04 | 2024-07-12 | 国网浙江省电力有限公司 | Submarine cable landing section water circulation forced cooling system |
-
2019
- 2019-06-04 CN CN201910480753.XA patent/CN110233463B/en active Active
- 2019-11-15 WO PCT/CN2019/118984 patent/WO2020244161A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748537A (en) * | 2011-04-19 | 2012-10-24 | 上海电缆研究所 | Seal run-through structure for extracting electric cables from enclosed container |
| CN204884653U (en) * | 2015-05-29 | 2015-12-16 | 浙江海洋学院 | Seashore cable ground pipe laying cooling device |
| CN209881358U (en) * | 2019-06-04 | 2019-12-31 | 国网浙江省电力有限公司 | Submarine cable landing section water circulation forced cooling system for compact construction |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020244161A1 (en) | 2020-12-10 |
| CN110233463A (en) | 2019-09-13 |
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