CN112467870A - Diving bell power supply system - Google Patents
Diving bell power supply system Download PDFInfo
- Publication number
- CN112467870A CN112467870A CN202011498402.0A CN202011498402A CN112467870A CN 112467870 A CN112467870 A CN 112467870A CN 202011498402 A CN202011498402 A CN 202011498402A CN 112467870 A CN112467870 A CN 112467870A
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- CN
- China
- Prior art keywords
- power supply
- electric
- equipment
- supply system
- diving bell
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- 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.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/34—Diving chambers with mechanical link, e.g. cable, to a base
- B63C11/44—Diving chambers with mechanical link, e.g. cable, to a base of open type, e.g. diving-bells
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Human Computer Interaction (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
The invention discloses a diving bell power supply system, which belongs to the technical field of diving equipment and comprises a water surface control platform, a power supply line, a module operation signal line, an electric cabin and electric equipment, wherein the water surface control platform is connected with the electric cabin through the power supply line and the module operation signal line, and each electric equipment is respectively connected with the electric cabin through a line. The diving bell power supply system can effectively reduce the number of the cable cores of the main umbilical cord, further reduce the volume of the umbilical cord winch and reduce the weight of the whole equipment. The electrical elements which are used conventionally can work in the electrical cabin, and special customization is not needed, so that the cost of the equipment is reduced. When the voltage-regulating device is used, the power supply voltage does not need to be finely regulated at the upper end, the voltage drop of a cable does not need to be considered, the electric equipment is ensured to work within the voltage range of rated work, and the service life of the equipment is prolonged.
Description
Technical Field
The invention relates to the technical field of diving equipment, in particular to a diving bell power supply system.
Background
In the diving process, the safe voltage of a diver is 30V, and the power supply voltage of the current domestic underwater diving equipment is always supplied by 24V direct current. The air with small depth dives, and the pressure drop of the cable is small, and the device is basically not influenced. Big degree of depth helium oxygen dive because the dive degree of depth is big, and the cable is actually laid long, can cause great pressure drop, and dive equipment can be long-time in voltage critical value work, can influence the life of equipment. In order to reduce the voltage drop of the cables, a single set of cables generally carries only one set of loads, and the current passing through each pair of cables is reduced, so that the voltage drop of the cables is reduced. When underwater diving equipment is more, the number of circuit groups is increased, the diving main umbilical cord becomes very thick, the electric slip ring also needs to be correspondingly increased in size, the overall size of the umbilical cord winch also needs to be increased, and the whole diving equipment becomes very large.
Disclosure of Invention
The invention aims to provide a diving bell power supply system, which solves the technical problems of reduced underwater power supply voltage and more underwater cable groups.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a diving bell power supply system comprises a water surface control platform, a power supply line, a module operation signal line, an electric cabin and electric equipment, wherein the water surface control platform is connected with the electric cabin through the power supply line and the module operation signal line, and each electric equipment is connected with the electric cabin through a line.
Preferably, the electric cabin includes the outer cabin body and electric support, and outer cabin body bottom sets up the blind flange, sets up the round screw on the blind flange, passes the bolt in the screw, and the bolt passes outer cabin body bottom and passes through the nut fixed, and bolt and nut inboard all set up the gasket, and the outer lane sets up the circuit mounting hole and is used for installing the circuit on the blind flange, and electric support sets up in the outer cabin body.
Preferably, a circle of O-shaped ring is arranged at the joint of the blind flange and the outer cabin body, and the O-shaped ring is used for preventing water.
Preferably, the electric support is cylindrical, and an electric installation plate is arranged in the electric support.
Preferably, a redundant power supply and an isolation type redundant module are arranged in the electric cabin, the redundant power supply is connected with an external power supply line, the isolation type redundant module is connected with the redundant power supply and supplies power to other equipment through the redundant power supply, and the isolation type redundant module isolates the input and the output of the power supply to prevent mutual influence.
Preferably, the outer surface of the outer cabin body is provided with a grounding bolt.
Preferably, the output end of the redundant power supply is connected with a voltage dependent resistor of 30V in parallel, so that the diver can not contact the DC power supply of more than 30V.
By adopting the technical scheme of the invention, the following beneficial effects can be obtained:
the diving bell power supply system can effectively reduce the number of the cable cores of the main umbilical cord, further reduce the volume of the umbilical cord winch and reduce the weight of the whole equipment. The electrical elements which are used conventionally can work in the electrical cabin, and special customization is not needed, so that the cost of the equipment is reduced. When the voltage-regulating device is used, the power supply voltage does not need to be finely regulated at the upper end, the voltage drop of a cable does not need to be considered, the electric equipment is ensured to work within the voltage range of rated work, and the service life of the equipment is prolonged.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
FIG. 1 is a schematic diagram of a power supply structure of a diving bell;
fig. 2 is a schematic structural view of the electric compartment.
The labels in the above figures are: 1. a water surface control platform; 2. a power supply line; 3. a module operation signal line; 4. an electric compartment; 41. an outer cabin; 42. an electrical support; 43. a blind flange; 44. a bolt; 45. a nut; 46. a gasket; 47. an "O" ring; 48. an electrical mounting plate; 49. a ground bolt; 5. an electric device.
Detailed Description
The embodiments of the present invention, such as the shapes and structures of the respective members, the mutual positions and connection relationships between the respective portions, the functions and operation principles of the respective portions, will be described in further detail below with reference to the accompanying drawings.
As shown in figure 1, the diving bell power supply system comprises a water surface control platform 1, a power supply circuit 2, a module operation signal circuit 3, an electric cabin 4 and electric equipment 5, wherein the water surface control platform 1 is connected with the electric cabin 4 through the power supply circuit 2 and the module operation signal circuit 3, and each electric equipment 5 is respectively connected with the electric cabin 4 through a circuit.
As shown in fig. 2, the electric cabin 4 includes an outer cabin 41 and an electric support 42, a blind flange 43 is disposed at the bottom of the outer cabin 41, a circle of screw holes are disposed on the blind flange 43, a bolt 44 passes through the screw holes, the bolt 44 passes through the bottom of the outer cabin 41 and is fixed by a nut 45, gaskets 46 are disposed on inner sides of the bolt 44 and the nut 45, a circuit mounting hole is disposed on an outer ring of the blind flange 43 for mounting a circuit to supply power to the electric equipment 5, and the electric support 42 is disposed in the outer cabin 41. A circle of O-shaped ring 47 is arranged at the joint of the blind flange 43 and the outer cabin body 41, the O-shaped ring 47 is used for preventing water, and a grounding bolt 49 is arranged on the outer surface of the outer cabin body 41 and used for grounding, so that the safety of power supply equipment in the electric cabin 4 is ensured.
As shown in fig. 2, the electrical support 42 is cylindrical, an electrical mounting plate 48 is arranged in the electrical support 42, a redundant power supply and an isolated redundant module are arranged in the electrical cabin 4, the redundant power supply is connected with an external power supply line, the isolated redundant module is connected with the redundant power supply and supplies power to other equipment through the redundant power supply, and the isolated redundant module isolates the input and the output of the power supply and prevents mutual influence on power supply.
The output end of the redundant power supply is connected with a voltage dependent resistor of 30V in parallel, so that the diver can not contact the DC power supply of more than 30V.
As shown in fig. 2, the bulkhead of the electrical compartment 4 and the blind flange 43 are sealed by an "O" ring 47, and an electrical mounting plate 48 is provided for mounting electrical equipment. The thickness of the bulkhead and the flange of the electric cabin 4 is about 9mm (the thickness can be increased according to the diving depth), and the inner diameter of the cabin is about 250mm (the inner diameter can also be increased according to the number of the power supply equipment); a plurality of threaded holes (can increase the threaded hole according to what of power supply unit and feedback signal suitable amount) have been reserved on the blind flange 43, and each threaded hole all can be used for connecting withstand voltage electric connector under water of more than 70MPa, and the user can install the connector as required and be used for the power supply of different consumer 5, and the usable end cap of unnecessary hole is sealed. The equipment in the electric cabin 4 is always in a normal pressure state underwater, and the temperature is not lower than 0 ℃; most of the electric elements on the market can adapt to the indoor environment, and no extra electric elements with special requirements need to be customized.
During the use, in order to ensure the safe power consumption of diving, on one hand, the two 220V AC power supplies are transmitted to the diving bell electric chamber 4 through the umbilical cable, so that the condition that the umbilical cable is disconnected in the middle after being used for a long time is avoided. On the other hand, a redundant power supply and an isolation type redundant module are used in the electric cabin 4, the redundant power supply can convert 220V alternating current into a direct current power supply lower than 30V and ensure power supply and backup power supply, the operation of diving bell equipment cannot be influenced even if one power supply is damaged, the isolation type redundant module isolates the input and the output of the power supply from each other and also avoids high voltage from entering a power supply loop and exceeding the rated voltage of the equipment to damage the equipment. And finally, a piezoresistor of 30V is connected in parallel at the output end of the redundant power supply, so that the diver can not contact the direct-current power supply of more than 30V. In addition, working operation signals (dry contact) of the redundant power supply and the isolated redundant module are fed back to the upper water surface control platform 1 through the module operation signal line 3, so that the operation state of the management equipment is conveniently observed, and the times of dismounting and mounting the equipment are reduced.
The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to apply the inventive concept and solution to other applications without substantial modification.
Claims (7)
1. A diving bell power supply system, characterized by: the water surface control platform is connected with the electric cabin through the power supply line and the module operation signal line, and each electric device is connected with the electric cabin through a line.
2. The diving bell power supply system of claim 1, wherein: the electric cabin comprises an outer cabin body and an electric support, a blind flange is arranged at the bottom of the outer cabin body, a circle of screw holes are formed in the blind flange, bolts penetrate through the screw holes and are fixed through nuts after penetrating through the bottom of the outer cabin body, gaskets are arranged on the inner sides of the bolts and the nuts, a line mounting hole is formed in the outer ring of the blind flange and is used for mounting a line, and the electric support is arranged in the outer cabin body.
3. The diving bell power supply system of claim 2, wherein: a circle of O-shaped ring is arranged at the joint of the blind flange and the outer cabin body, and the O-shaped ring is used for preventing water.
4. The diving bell power supply system of claim 2, wherein: the electric support is cylindrical, and an electric mounting plate is arranged in the electric support.
5. The diving bell power supply system of claim 2, wherein: the electric cabinet is internally provided with a redundant power supply and an isolation type redundant module, the redundant power supply is connected with an external power supply line, the isolation type redundant module is connected with the redundant power supply and supplies power to other equipment through the redundant power supply, and the isolation type redundant module isolates the input and the output of the power supply and prevents mutual influence.
6. The diving bell power supply system of claim 2, wherein: and the outer surface of the outer cabin body is provided with a grounding bolt.
7. The diving bell power supply system of claim 5, wherein: the output end of the redundant power supply is connected with a piezoresistor of 30V in parallel, so that the diver can not contact the DC power supply of more than 30V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011498402.0A CN112467870A (en) | 2020-12-17 | 2020-12-17 | Diving bell power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011498402.0A CN112467870A (en) | 2020-12-17 | 2020-12-17 | Diving bell power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112467870A true CN112467870A (en) | 2021-03-09 |
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ID=74803750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011498402.0A Pending CN112467870A (en) | 2020-12-17 | 2020-12-17 | Diving bell power supply system |
Country Status (1)
| Country | Link |
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| CN (1) | CN112467870A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113824206A (en) * | 2021-09-17 | 2021-12-21 | 中国船舶科学研究中心 | Underwater test platform power supply control system based on shore-based power supply |
-
2020
- 2020-12-17 CN CN202011498402.0A patent/CN112467870A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113824206A (en) * | 2021-09-17 | 2021-12-21 | 中国船舶科学研究中心 | Underwater test platform power supply control system based on shore-based power supply |
| CN113824206B (en) * | 2021-09-17 | 2023-05-23 | 中国船舶科学研究中心 | Underwater test platform power supply control system based on shore-based power supply |
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