CN110379592B - Double-layer pressure compensation type underwater transformer - Google Patents
Double-layer pressure compensation type underwater transformer Download PDFInfo
- Publication number
- CN110379592B CN110379592B CN201910715089.2A CN201910715089A CN110379592B CN 110379592 B CN110379592 B CN 110379592B CN 201910715089 A CN201910715089 A CN 201910715089A CN 110379592 B CN110379592 B CN 110379592B
- Authority
- CN
- China
- Prior art keywords
- box body
- compensator
- transformer
- layer
- upper cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 235000012771 pancakes Nutrition 0.000 claims abstract description 13
- 239000010410 layer Substances 0.000 claims description 51
- 238000007789 sealing Methods 0.000 claims description 34
- 239000000945 filler Substances 0.000 claims description 14
- 239000013535 sea water Substances 0.000 claims description 8
- 239000002355 dual-layer Substances 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 239000002775 capsule Substances 0.000 claims 1
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract 1
- 238000013461 design Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/022—Encapsulation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cable Accessories (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention relates to a transformer applied to a deep sea environment, in particular to a light-weight and high-reliability double-layer pressure compensation type underwater transformer. The method comprises the following steps: outer box, inlayer box, pressure compensator, transformer, cable, crusty pancake and cable sealed cabin, its characterized in that, the inlayer box is installed in outer box, the transformer is installed in the inlayer box, the crusty pancake is fixed and is covered on the inlayer box, the cable sealed cabin is fixed and is covered on outer box, the cable links to each other with the transformer through installing the watertight joint that covers on the cable sealed cabin, passing outer box upper cover, inlayer box upper cover, cover on the outer box and be equipped with the oiling stopper, drain plug and pressure compensator are equipped with to outer box lateral wall bottom, pressure compensator and outer box inner chamber intercommunication are in order to realize pressure compensation. The invention has compact structure, simple assembly, convenient replacement and maintenance, strong adaptability under severe environment, stable work and reliability.
Description
Technical Field
The invention relates to a transformer applied to a deep sea environment, in particular to a light-weight and high-reliability double-layer pressure compensation type underwater transformer.
Background
In ocean engineering, especially deep sea underwater operation engineering, reliable and stable operation of an underwater transformer is a necessary condition for energy supply of underwater equipment. In severe deep sea environment, especially under the condition of large depth, higher requirements are put forward on the pressure resistance and reliability of the underwater transformer shell and the sealing performance of the underwater transformer shell. Under the constraint conditions of deep sea environment space, weight, requirements of the whole underwater equipment and the like, the existing underwater transformer cannot meet the requirements at present, is heavy in structure under the condition of meeting the pressure resistance, is low in reliability and cannot meet the requirements of the whole underwater equipment. Therefore, in the technical field, especially the underwater transformer applied to the deep sea environment needs to be improved, and in order to meet the requirement, a light-weight and high-reliability double-layer pressure compensation type underwater transformer is provided.
Disclosure of Invention
The invention aims to overcome the defects of an underwater transformer in the prior art and provide a light-weight and high-reliability double-layer pressure compensation type underwater transformer.
In order to achieve the purpose, the invention adopts the technical scheme that:
a dual-layer pressure compensated underwater transformer comprising: outer box, inlayer box, pressure compensator, transformer, cable, crusty pancake and cable sealed cabin, the inlayer box is installed in the outer box, the transformer is installed in the inlayer box, the crusty pancake is fixed and is covered on the inlayer box, the cable sealed cabin is fixed and is covered on the outer box, the cable links to each other with the transformer through installing the watertight joint that covers on the cable sealed cabin, passing outer box upper cover, inlayer box upper cover, cover on the outer box and be equipped with the oiling stopper, drain plug and pressure compensator are equipped with to outer box lateral wall bottom, pressure compensator and outer box inner chamber intercommunication are in order to realize pressure compensation.
Furthermore, the upper cover of the cable sealing cabin is connected with the cable sealing cabin through screws, the upper cover of the outer box body is connected with the outer box body, and the upper cover of the inner box body is connected with the inner box body through sealing rings.
Further, silica gel is injected into the cable sealing cabin to enhance sealing.
Further, the pancake is communicated with the inner-layer box body through an oil pipe to realize pressure compensation.
Further, the pressure compensator comprises an ejector rod, an adjusting nut, a compensator upper cover, a compensator shell, a spring, a water-absorbing filler, a lower rod and a connecting pipe, wherein the ejector rod is a stepped cylinder, the longitudinal section of the ejector rod is cross-shaped, the lower rod is a stepped cylinder, the bottom of the ejector rod is in threaded connection with the upper part of the lower rod, the ejector rod, the lower rod and the compensator shell are sealed through double-layer sealing rings, the water-absorbing filler is filled in a cavity between the lower part of the ejector rod and the lower rod, and the water-absorbing filler and the two double sealing rings are sealed together to prevent seawater from permeating; the upper part of the ejector rod is sleeved with a spring and is fixed on an upper compensator cover through an adjusting nut, and the upper compensator cover is fixed on a compensator shell; the filling volume of the water-absorbing filler is adjusted by adjusting the length of the thread between the top rod and the lower rod, and the pretightening force of the spring is adjusted by adjusting the nut, so that the internal pressure of the compensator is slightly higher than the external pressure.
Further, pressure compensator is 2, realizes the UNICOM through the connecting pipe, when sea water silt got into the compensator upper end and leads to the compensator jamming, improves the reliability through the UNICOM structure.
Compared with the prior art, the invention has the beneficial effects that:
1. the double-layer pressure compensation type underwater transformer is compact in structure, small in size and high in space utilization rate, and the thickness of the wall of the sealed box body is reduced through the double-layer pressure compensation type structural design, so that the light weight of the whole underwater transformer is realized.
2. The invention adopts a double-layer box body design, and improves the severe environment adaptability of the underwater transformer and the stability and reliability of the work.
3. The invention optimizes the pressure compensator, improves the working stability and reliability of the compensator by adding the sealing ring and the water absorption filler, designing the adjustable pressure mechanism, adopting the double-compensator communication and the like.
4. The invention adopts modular design, has simple assembly, convenient replacement and maintenance and better interchangeability.
Drawings
The invention is further described with reference to the accompanying drawings in which:
fig. 1 is a front view of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a cross-sectional view of a pressure compensator.
Fig. 4 is a three-dimensional isometric view of the present invention.
In the figure: 3. pressure compensator, 4, transformer, 5, cable, 11, watertight joint, 12, screw I, 13, cable sealed cabin upper cover, 14, sealing ring I, 15, silica gel, 16, oil filling plug, 17, screw II, 18, sealing ring II, 19, outer layer box upper cover, 21, screw III, 22, sealing ring III, 23, inner layer box upper cover, 24, screw IV, 25, oil crusty fixing cover, 26, oil crusty, 27, oil pipe, 28, inner layer box, 29, screw V, 31, ejector pin, 32, adjusting nut, 33, screw VI, 34, compensator upper cover, 35, compensator shell, 36, spring, 37, sealing ring IV, 38, water absorption filler, 39, sealing ring V, 310, lower rod, 110, outer layer box, 111, oil discharging plug, 112, screw VII, 311, connecting pipe
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
referring to fig. 1 and 2, the whole underwater transformer is a double-layer underwater transformer formed by an outer layer box body 110 and an inner layer box body 28, the pressure-resistant reliability of the deep sea lower box body is ensured by each layer of sealed box body of the transformer through a corresponding pressure compensator 3, and the reliability of the whole device is greatly improved due to the double-layer structure design; the cable 5 is respectively connected into the sealed box body through the watertight connector 11 so as to realize the underwater voltage regulation function of the transformer 4, and the whole underwater transformer box body is formed by processing and welding stainless steel plates. In order to enhance the sealing performance of the cable interface, a cable sealing cabin is designed on an upper cover 19 of the outer layer box body, a watertight connector 11 is connected to an upper cover 13 of the cable sealing cabin through threads, and the upper cover 13 of the cable sealing cabin is connected with the upper cover 19 of the outer layer box body through a screw I12 and compresses a sealing ring I14 to realize sealing; silica gel 15 is injected therein to prevent seawater from entering the outer tank 110. The outer-layer box body upper cover 19 is connected with the outer-layer box body 110 through a screw II 17, a sealing ring II 18 arranged in a groove of the outer-layer box body 110 is pressed tightly, and the joint of the outer-layer box body upper cover 19 and the outer-layer box body 110 is sealed. The oil filling plug 16 and the oil discharging plug 111 are respectively arranged on the outer layer box body upper cover 19 and the outer layer box body 110 through threads, so that oil can be conveniently injected and discharged between the outer layer box body 110 and the inner layer box body 28; the inner bottom of the outer case 110 is threaded, and the inner case 28 is mounted in the outer case 110 by a screw VII 112.
Referring to fig. 1 and 2, a cylindrical box body for mounting the crusty pancake 26 is designed on an upper cover 23 of the inner box body, a fixing cover 25 of the crusty pancake 26 is connected with the upper cover 23 of the inner box body through a screw IV 24, the fixing and the protection of the crusty pancake are realized, and the crusty pancake 26 is communicated with the inner box body 28 through an oil pipe 27, so that the pressure compensation of the inner box body 28 is realized; the inner-layer box upper cover 23 is connected with the inner-layer box 28 through a screw III 21, a sealing ring III 22 arranged in a groove of the inner-layer box 28 is pressed tightly, and the joint of the inner-layer box upper cover 23 and the inner-layer box 28 is sealed; an interface is reserved outside the inner box 28 to be connected with the outer box 110 conveniently, a threaded opening is reserved at the bottom in the inner box 28, and the transformer 4 is installed in the inner box through a screw V29.
Referring to fig. 3 and 4, the whole pressure compensator 3 is sealed in multiple layers by the top rod 31, the bottom rod 310 and the water-absorbing filler 38 therebetween, so that the reliability of the pressure compensator 3 is greatly improved. The top rod 31 is connected with the lower rod 310 through threads, and the filling volume of the water absorption filler 38 can be adjusted by adjusting the length of the connecting threads; the pretightening force of the spring 36 between the ejector rod 31 and the compensator upper cover 34 is adjusted through the adjusting nut 32, so that the required pressure of the compensator is realized to ensure that the internal pressure of the sealed box body is slightly higher than the external pressure, seawater is prevented from entering oil, double-layer sealing ring grooves are reserved on the ejector rod 31 and the lower rod 310 respectively, the sealing rings IV 34 and the sealing rings V29 are respectively arranged in the double-layer sealing ring grooves to realize multi-layer sealing, and required water-absorbing filler is added between the two layers of sealing rings to prevent seawater from being absorbed after being slightly infiltrated. After the top rod 31, the lower rod 310 and the water absorption filler 38 between the top rod and the lower rod are adjusted and installed, the whole part is installed in the compensator shell 35, the compensator upper cover 34 is connected with the compensator shell 35 through a screw VI 33, and the spring 36 is adjusted through the nut 32. The two pressure compensators 3 are communicated through the connecting pipe 311, and when seawater silt and the like enter the upper ends of the compensators to cause the compensators to be stuck and cannot move along the axis of the shell to lose the functions of the compensators, the communication structure at the lower ends of the two compensators can improve the reliability of the whole compensators.
Whole transformer under water adopts the double-deck box structural design of modularization, and whole device is installed by interior to outside, owing to use the bolt to fix, for preventing the not hard up phenomenon of screw thread, all need carry on locking.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. A dual-layer pressure compensated underwater transformer comprising: the crusty pancake comprises an outer-layer box body, an inner-layer box body, a pressure compensator, a transformer, a cable, a crusty pancake and a cable sealed cabin, and is characterized in that the inner-layer box body is installed in the outer-layer box body, the transformer is installed in the inner-layer box body, the crusty pancake is fixed on an upper cover of the inner-layer box body, the cable sealed cabin is fixed on an upper cover of the outer-layer box body, the cable passes through an upper cover of the outer-layer box body and an upper cover of the inner-layer box body through a watertight connector installed on the upper cover of the cable sealed cabin and is connected with the transformer, an oil filling plug is installed on the upper cover of the outer-layer box body, an oil discharging plug and the pressure compensator are installed at the bottom of the side wall of the outer-layer box body, and the pressure compensator is communicated with an inner cavity of the outer-layer box body to realize pressure compensation;
the pressure compensator comprises an ejector rod, an adjusting nut, a compensator upper cover, a compensator shell, a spring, a water-absorbing filler, a lower rod and a connecting pipe, wherein the ejector rod is a stepped cylinder, the longitudinal section of the ejector rod is cross-shaped, the lower rod is a stepped cylinder, the bottom of the ejector rod is in threaded connection with the upper part of the lower rod, the ejector rod, the lower rod and the compensator shell are sealed through double-layer sealing rings, the water-absorbing filler is filled in a cavity between the lower part of the ejector rod and the lower rod, and the water-absorbing filler and two double sealing rings are sealed together to prevent seawater from permeating; the upper part of the ejector rod is sleeved with a spring and is fixed on an upper compensator cover through an adjusting nut, and the upper compensator cover is fixed on a compensator shell; the filling volume of the water-absorbing filler is adjusted by adjusting the length of the thread between the top rod and the lower rod, and the pretightening force of the spring is adjusted by adjusting the nut, so that the internal pressure of the compensator is slightly higher than the external pressure.
2. The dual-layer pressure compensation type underwater transformer of claim 1, wherein the space between the upper cover of the cable sealing cabin and the cable sealing cabin, the space between the upper cover of the outer box body and the outer box body, and the space between the upper cover of the inner box body and the inner box body are all connected through screws and sealed through sealing rings.
3. The dual-layer pressure compensated underwater transformer of claim 1, wherein the cable capsule is impregnated with silicone to enhance sealing.
4. The dual-layer pressure compensation type underwater transformer of claim 1, wherein the pancake is communicated with the inner tank body through an oil pipe to realize pressure compensation.
5. The dual-layer pressure compensated underwater transformer of claim 1, wherein the number of the pressure compensators is 2, the communication is realized through the connecting pipes, and when seawater silt enters the upper end of the compensator to cause the blockage of the compensator, the reliability is improved through the communication structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910715089.2A CN110379592B (en) | 2019-08-05 | 2019-08-05 | Double-layer pressure compensation type underwater transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910715089.2A CN110379592B (en) | 2019-08-05 | 2019-08-05 | Double-layer pressure compensation type underwater transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110379592A CN110379592A (en) | 2019-10-25 |
| CN110379592B true CN110379592B (en) | 2021-08-13 |
Family
ID=68257954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910715089.2A Expired - Fee Related CN110379592B (en) | 2019-08-05 | 2019-08-05 | Double-layer pressure compensation type underwater transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110379592B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112670051B (en) * | 2020-12-15 | 2022-07-29 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Underwater transformer |
| CN113381358A (en) * | 2021-06-11 | 2021-09-10 | 武汉船用机械有限责任公司 | Underwater junction box with automatic pressure compensation function |
| CN114802661B (en) * | 2022-04-13 | 2023-02-03 | 深圳市行健自动化股份有限公司 | Pressure-resistant cabin for deep sea mobile operation equipment, underwater mining vehicle and underwater mobile robot |
| CN114783730B (en) * | 2022-04-24 | 2024-09-10 | 广东电网有限责任公司广州供电局 | Transformer for offshore wind power and radiating device thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10127276A1 (en) * | 2001-05-28 | 2003-01-23 | Siemens Ag | Underwater transformer with coolant-liquid filled outer tank enclosing main tank, has outer tank partly filled with gas to form gas space for electric terminals |
| CN204407170U (en) * | 2015-03-08 | 2015-06-17 | 中国船舶重工集团公司七五○试验场 | A kind of even pressure type transformer under water |
| CN108305747A (en) * | 2018-01-22 | 2018-07-20 | 中国海洋石油集团有限公司 | Transformer under a kind of enclosed water |
| CN108305748A (en) * | 2018-01-22 | 2018-07-20 | 中国海洋石油集团有限公司 | A kind of underwater transformer of Integral sylphon bellows formula |
-
2019
- 2019-08-05 CN CN201910715089.2A patent/CN110379592B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10127276A1 (en) * | 2001-05-28 | 2003-01-23 | Siemens Ag | Underwater transformer with coolant-liquid filled outer tank enclosing main tank, has outer tank partly filled with gas to form gas space for electric terminals |
| CN204407170U (en) * | 2015-03-08 | 2015-06-17 | 中国船舶重工集团公司七五○试验场 | A kind of even pressure type transformer under water |
| CN108305747A (en) * | 2018-01-22 | 2018-07-20 | 中国海洋石油集团有限公司 | Transformer under a kind of enclosed water |
| CN108305748A (en) * | 2018-01-22 | 2018-07-20 | 中国海洋石油集团有限公司 | A kind of underwater transformer of Integral sylphon bellows formula |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110379592A (en) | 2019-10-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110379592B (en) | Double-layer pressure compensation type underwater transformer | |
| US20160138358A1 (en) | Subsea Pressure Delivery System | |
| CA2657987C (en) | An apparatus for operating controllable installation means | |
| CN204407170U (en) | A kind of even pressure type transformer under water | |
| CN105222947A (en) | Spliced type sea bed with range protective device surpasses hole pressure and measures feeler lever | |
| CN210284564U (en) | Underwater robot capable of changing buoyancy | |
| CN102407926A (en) | Pressure adaptive watertight connection box of underwater robot | |
| CN213451128U (en) | Liquid level sensor device of oil compensator of deep sea hydraulic station | |
| CN201647111U (en) | Built-in hydraulic compensator | |
| CN113062995B (en) | Submarine high-pressure ball valve protection device | |
| CN102897304A (en) | Pressure automatic compensation device of sealing cabin body of deep sea equipment | |
| CN108749997A (en) | The connected unit of elastic displacement compensation and the how resistance to laminate combined type pressure-resistance structure in deep-sea | |
| CN211654325U (en) | Modular electric penetration assembly | |
| CN103700793B (en) | There is the lithium battery group of auto-compensation deep-water pressure function | |
| CN111817074A (en) | Underwater cable connector | |
| CN203218812U (en) | Great-depth isolation type oil pressure compensation junction box | |
| CN202295268U (en) | Pressure self-adaptive watertight junction box of underwater robot | |
| CN105569593A (en) | Secondary locking device used for underwater oil gas drilling and production equipment | |
| CN105114383A (en) | Novel deep-water solenoid electric valve | |
| CN206231596U (en) | A kind of submersible buoyancy adjustment and pressure compensating system | |
| CN105276296B (en) | A kind of submersible type extra large cable seals plug device | |
| CN209104474U (en) | A kind of pluggable electric connection hydraulic compensating device of underwater wet-type | |
| CN103192964A (en) | Mechanical device of submarine observation network scientific instrument socket module | |
| CN113048251A (en) | Deepwater duplex gate valve | |
| CN212434932U (en) | Underwater cable connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210813 |