CN110299768B - Underwater wireless power transmission system with integrated electromagnetic positioning function - Google Patents
Underwater wireless power transmission system with integrated electromagnetic positioning function Download PDFInfo
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- CN110299768B CN110299768B CN201910555196.3A CN201910555196A CN110299768B CN 110299768 B CN110299768 B CN 110299768B CN 201910555196 A CN201910555196 A CN 201910555196A CN 110299768 B CN110299768 B CN 110299768B
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- radial positioning
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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
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The invention relates to an underwater wireless power transmission system with an integrated electromagnetic positioning function, which belongs to the technical field of power transmission and power conversion and comprises a fixed marine device and a movable energy station. The energy receiving cavity of the fixed marine device is matched with the sealing shell of the movable energy station in size, a conical positioning cylinder is axially arranged, the conical positioning cylinder is connected with the spigot, and the pressure sensor is arranged at the axial position of the movable energy station and matched with the positioning part of the spigot; the fixed marine device is provided with an axial positioning armature block at the spigot position, and the movable energy station is provided with an axial positioning electromagnet at the corresponding position. The invention has simple structure and high reliability, can work in an underwater environment for a long time, can effectively realize wireless power transmission in an underwater complex environment, can ensure the stability of the underwater wireless power transmission, and can maintain the positioning precision in all processes without mechanical connection.
Description
Technical Field
The invention relates to an underwater wireless power transmission system with an integrated electromagnetic positioning function, and belongs to the technical field of power transmission and power conversion.
Background
The ocean of China has rich resources, and at present, the development of ocean energy sources is still in a starting stage. With the development of ocean exploration and exploitation technology, underwater equipment will also meet new opportunities and challenges, where energy harvesting is an important issue for long-term operation of underwater devices. The transmission mode of underwater electric energy is mainly divided into a contact type and a non-contact type. Typical contact transmission devices have traditional wet pluggable electrical connectors and integral underwater power transmission and distribution equipment, and the mode has great technical difficulties and risks in terms of voltage resistance, sealing, insulation, service life and the like. The main functional module inside a typical contactless transmission device is a wireless power transmission system. Most of the existing wireless power transmission devices are in loose coupling transformer structural forms, and the specificity and complexity of the underwater environment can influence the relative positions of primary and secondary sides so as to influence the transmission efficiency of the primary and secondary sides.
Disclosure of Invention
The invention aims to provide the underwater wireless power transmission system with the integrated electromagnetic positioning function, which has the advantages of simple structure and reliable operation, and can enable the underwater wireless power transmission process to be more stable.
In order to achieve the purpose of the invention, the technical scheme adopted is as follows:
an underwater wireless power transmission system with integrated electromagnetic positioning function comprising: the device mainly comprises a secondary magnetic conduction iron core 3, a secondary coil 4, a radial positioning armature block 7, a fixed marine device energy receiving cavity 12, a secondary sealing device 14, a conical positioning cylinder 16, an energy storage device, a rectifier bridge and an axial positioning armature block 10; the movable energy station mainly comprises a primary magnetic conductive iron core 1, a primary coil 2, a radial positioning electromagnet 5, a radial positioning electromagnet coil 6, an internal propeller, an axial positioning electromagnet 8, a pressure sensor, an axial positioning electromagnet coil 9, a movable energy station sealing shell 11, a primary sealing device 13, a direct current power supply device, an inverter and an axial positioning electromagnet sealing device 15; wherein, the secondary magnetic iron cores 3 are uniformly distributed on the inner circumference of the energy receiving cavity 12 of the fixed marine device; the radial positioning armature block 7 is positioned at the gap of the secondary magnetic conductive iron core 3; the radial positioning electromagnet 5 is connected with a movable energy station sealing shell 11, and the radial positioning armature block 7 is connected with a fixed marine device energy receiving cavity 12; a secondary sealing device 14 positioned on the energy receiving cavity 12 of the fixed marine device is sleeved on the secondary magnetic conductive iron core 3 and the radial positioning armature block 7; the energy storage device is connected with the rectifier bridge and is arranged in the main cavity of the fixed marine device; the secondary coil 4 of the fixed marine device is connected with the rectifier bridge; the secondary coil 4 is wound at the secondary magnetic conductive iron core 3; the primary coil 2 is arranged on the outer circumference of the movable energy station sealing shell 11; the radial positioning electromagnet 5 and the radial positioning magnet coil 6 are uniformly distributed at the gap of the primary magnetic conductive iron core 1; the propeller, the direct current power supply device and the inverter are all arranged in the movable energy station sealing shell 11, and the direct current power supply device is connected with the inverter; the primary sealing device 13 is sleeved on the primary magnetic conductive iron core 1 and the radial positioning electromagnet 5; the axial positioning electromagnet sealing device 15 is arranged on the axial positioning electromagnet 8; the primary coil 2 is connected with an inverter; the radial positioning electromagnet coil 6 and the axial positioning electromagnet coil 9 are respectively connected with a direct current power supply.
The fixed marine device part is provided with 2k secondary magnetic conductive iron cores and 2k secondary coils, the radial positioning electromagnet 5 is connected with the movable energy station sealing shell 11, the radial positioning armature block 7 is connected with the fixed marine device energy receiving cavity 12, and the size fit is interference fit, wherein k is a positive integer.
The marine fixing device comprises 2n radial positioning armature blocks, wherein the 2 radial positioning armature blocks are in a group, and the radial positioning armature blocks and the secondary magnetic conductive iron core are positioned on the same plane, wherein n is a positive integer.
And the electric connection part of the secondary coil of the fixed marine device and the rectifier bridge phase is subjected to insulation treatment.
The movable energy station part is provided with 2k primary magnetic conductive iron cores and 2k primary coils, wherein the primary magnetic conductive iron cores and the secondary magnetic conductive iron cores are positioned on the same circumference plane, the primary magnetic conductive iron cores and the secondary magnetic conductive iron cores are connected with the movable energy station sealing shell in a rigid mode, and the movable energy station part is in interference fit in size fit, wherein k is a positive integer.
The movable energy station part is provided with 2n radial positioning electromagnets, 2n radial positioning magnet coils, 2 radial positioning electromagnets are in a group, the radial positioning electromagnets 5 are connected with a movable energy station sealing shell 11, and the radial positioning armature block 7 is connected with a fixed marine device energy receiving cavity 12 in an interference fit manner.
The movable energy station part is provided with 4 axial positioning electromagnets and 4 axial positioning electromagnet coils.
The primary coil of the movable energy station is insulated from the electric connection part of the inverter, and is wound at the primary magnetic conductive iron core.
The radial positioning electromagnet coil is wound on the radial positioning electromagnet, and the axial positioning electromagnet coil is wound on the axial positioning electromagnet.
The energy receiving cavity of the fixed ocean device is matched with the sealing shell of the movable energy station in size, the conical positioning cylinder is axially arranged, the conical positioning cylinder is connected with the spigot, and the pressure sensor is arranged at the axial position of the movable energy station and matched with the positioning part of the spigot.
The beneficial effects of the invention are as follows:
the invention fully considers the specificity and the challenges of the wireless power transmission in the underwater environment. The device has the advantages that the device is simple in structure and high in reliability, can work in an underwater environment for a long time, can effectively realize wireless power transmission in an underwater complex environment, can ensure the stability of the underwater wireless power transmission, can keep positioning accuracy in all processes under the condition of no mechanical connection, and has important significance for energy acquisition of the underwater device.
Drawings
FIG. 1 is a block diagram of the overall system of the present invention
FIG. 2 is a schematic view of an axially positioned electromagnet portion according to the present invention
FIG. 3 is a schematic diagram of the integrated part of the radial positioning electromagnet and wireless power transmission of the present invention
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description.
As shown in fig. 1-3, comprising: 1. the device comprises a primary magnetic conductive iron core, a primary coil, a secondary magnetic conductive iron core, a secondary coil, a radial positioning electromagnet coil, a radial positioning armature block, an axial positioning electromagnet, a radial positioning electromagnet coil, a radial positioning armature block, a movable energy station seal housing, a fixed ocean device energy receiving cavity, a primary seal device, a secondary seal device, a radial positioning electromagnet coil, a radial positioning armature block, a radial positioning electromagnet coil, a radial positioning armature block, a movable energy station seal housing, a fixed ocean device energy receiving cavity, a primary seal device, a secondary seal device, a radial positioning electromagnet coil and a conical positioning cylinder.
The invention relates to an underwater wireless power transmission system with an integrated electromagnetic positioning function, and belongs to the technical field of power transmission and power conversion. The underwater wireless power transmission system with the integrated electromagnetic positioning function has the advantages of simple structure and reliable operation, and can enable the underwater wireless power transmission process to be more stable.
In order to achieve the purpose of the invention, the technical scheme adopted is as follows:
an underwater wireless power transmission system with integrated electromagnetic positioning function comprising: the device mainly comprises a secondary magnetic conduction iron core 3, a secondary coil 4, a radial positioning armature block 7, a fixed marine device energy receiving cavity 12, a secondary sealing device 14, a conical positioning cylinder 16, an energy storage device, a rectifier bridge and an axial positioning armature block 10; the movable energy station mainly comprises a primary magnetic conductive iron core 1, a primary coil 2, a radial positioning electromagnet 5, a radial positioning electromagnet coil 6, an internal propeller, an axial positioning electromagnet 8, a pressure sensor, an axial positioning electromagnet coil 9, a movable energy station sealing shell 11, a primary sealing device 13, a direct current power supply device, an inverter and an axial positioning electromagnet sealing device 15; wherein, the secondary magnetic iron cores 3 are uniformly distributed on the inner circumference of the energy receiving cavity 12 of the fixed marine device; the radial positioning armature block 7 is positioned at the gap of the secondary magnetic conductive iron core 3; the radial positioning electromagnet 5 is connected with a movable energy station sealing shell 11, and the radial positioning armature block 7 is connected with a fixed marine device energy receiving cavity 12; a secondary sealing device 14 positioned on the energy receiving cavity 12 of the fixed marine device is sleeved on the secondary magnetic conductive iron core 3 and the radial positioning armature block 7; the energy storage device is connected with the rectifier bridge and is arranged in the main cavity of the fixed marine device; the secondary coil 4 of the fixed marine device is connected with the rectifier bridge; the secondary coil 4 is wound at the secondary magnetic conductive iron core 3; the primary coil 2 is arranged on the outer circumference of the movable energy station sealing shell 11; the radial positioning electromagnet 5 and the radial positioning magnet coil 6 are uniformly distributed at the gap of the primary magnetic conductive iron core 1; the propeller, the direct current power supply device and the inverter are all arranged on the movable energy station sealing shell 11, and the direct current power supply device is connected with the inverter; the primary sealing device 13 is sleeved on the primary magnetic conductive iron core 1 and the radial positioning electromagnet 5; the axial positioning electromagnet sealing device 15 is arranged on the axial positioning electromagnet 8, the primary coil 2 is connected with the inverter, and the radial positioning electromagnet coil 6 and the axial positioning electromagnet coil 9 of the movable energy station are respectively connected with the direct current power supply.
The fixed marine device part is provided with 2k secondary magnetic conductive iron cores and 2k secondary coils, the radial positioning electromagnet 5 is connected with the movable energy station sealing shell 11, the radial positioning armature block 7 is connected with the fixed marine device energy receiving cavity 12, and the size fit is interference fit, wherein k is a positive integer.
The marine fixing device comprises 2n radial positioning armature blocks, wherein the 2 radial positioning armature blocks are in a group, and the radial positioning armature blocks and the secondary magnetic conductive iron core are positioned on the same plane, wherein n is a positive integer.
And the electric connection part of the secondary coil of the fixed marine device and the rectifier bridge phase is subjected to insulation treatment.
The movable energy station part is provided with 2k primary magnetic conductive iron cores and 2k primary coils, wherein the primary magnetic conductive iron cores and the secondary magnetic conductive iron cores are positioned on the same circumference plane, the primary magnetic conductive iron cores and the secondary magnetic conductive iron cores are connected with the movable energy station sealing shell in a rigid mode, and the movable energy station part is in interference fit in size fit, wherein k is a positive integer.
The movable energy station part is provided with 2n radial positioning electromagnets, 2n radial positioning magnet coils, 2 radial positioning electromagnets are in a group, the radial positioning electromagnets 5 are connected with a movable energy station sealing shell 11, and the radial positioning armature block 7 is connected with a fixed marine device energy receiving cavity 12 in an interference fit manner.
The movable energy station part is provided with 4 axial positioning electromagnets and 4 axial positioning electromagnet coils.
The primary coil of the movable energy station is insulated from the electric connection part of the inverter, and is wound at the primary magnetic conductive iron core.
The radial positioning electromagnet coil is wound on the radial positioning electromagnet, and the axial positioning electromagnet coil is wound on the axial positioning electromagnet.
The energy receiving cavity of the fixed ocean device is matched with the sealing shell of the movable energy station in size, the conical positioning cylinder is axially arranged, the conical positioning cylinder is connected with the spigot, and the pressure sensor is arranged at the axial position of the movable energy station and matched with the positioning part of the spigot.
The invention fully considers the specificity and the challenges of the wireless power transmission in the underwater environment. The device has the advantages that the device is simple in structure and high in reliability, can work in an underwater environment for a long time, can effectively realize wireless power transmission in an underwater complex environment, can ensure the stability of the underwater wireless power transmission, can keep positioning accuracy in all processes under the condition of no mechanical connection, and has important significance for energy acquisition of the underwater device.
Further described below:
referring to fig. 1 to 3, the underwater wireless power transmission system of the present invention includes: a stationary marine installation and a mobile energy station. The fixed marine device mainly comprises a secondary magnetic conduction iron core 3, a secondary coil 4, a radial positioning armature block 7, a fixed marine device energy receiving cavity 12, a secondary sealing device 14, a conical positioning cylinder 16, an energy storage device and a rectifier bridge which are positioned in the device, an axial positioning armature block 10 and the like. The movable energy station mainly comprises a primary magnetic conductive iron core 1, a primary coil 2, a radial positioning electromagnet 5, a radial positioning electromagnet coil 6, an internal propeller, an axial positioning electromagnet 8, a pressure sensor, an axial positioning electromagnet coil 9, a movable energy station sealing shell 11, a primary sealing device 13, a direct current power supply device, an inverter and the like which are positioned in the energy station, an axial positioning electromagnet sealing device 15 and the like.
In the fixed marine device part, taking k=6 as an example, 12 secondary magnetic conductive iron cores 3 and 12 secondary coils 4 are arranged, wherein the secondary magnetic conductive iron cores 3 are uniformly distributed on the inner circumference of the energy receiving cavity 12 of the fixed marine device, are rigidly connected with the energy receiving cavity 12 of the fixed marine device, and are in interference fit in size fit. In addition, taking n=4 as an example, there are 8 radial positioning armature blocks 7, and 2 radial positioning armature blocks 7 are in a group, and are located at the gaps of 12 secondary magnetic conductive iron cores 3 and are located on the same plane with the secondary magnetic conductive iron cores 3. The radial positioning electromagnet 5 is connected with a movable energy station sealing shell 11, the radial positioning armature block 7 is connected with a fixed marine device energy receiving cavity 12, and the size fit is interference fit. A secondary sealing device 14 positioned on the energy receiving cavity 12 of the fixed marine device is arranged at the positions of the secondary magnetic conductive iron core 3 and the radial positioning armature block 7, so that the secondary magnetic conductive iron core is isolated from water; the energy storage device is connected with the rectifier bridge and is arranged in the main cavity of the fixed marine device; the secondary coil 4 of the fixed marine device is connected with the rectifier bridge, and the electric connection part is insulated, wherein the secondary coil 4 is wound at the secondary magnetic conductive iron core 3.
In the movable energy station part, taking k=6 as an example, 12 primary magnetic conductive iron cores 1 and 12 primary coils 2 are uniformly distributed on the outer circumference of a movable energy station sealing shell 11, are positioned on the same circumference plane with a secondary magnetic conductive iron core 3, are rigidly connected with the movable energy station sealing shell 11, and are in interference fit in size fit. In addition, taking n=4 as an example, 8 radial positioning electromagnets 5,8 radial positioning magnet coils 6 and 2 radial positioning electromagnets 5 are formed into a group and uniformly distributed at the gaps of 12 primary magnetic conductive iron cores 1. The radial positioning electromagnet 5 is connected with a movable energy station sealing shell 11, the radial positioning armature block 7 is connected with a fixed marine device energy receiving cavity 12, and the size fit is interference fit. Furthermore, the movable energy station part is provided with 4 axially positioned electromagnets 8, and 4 axially positioned electromagnet coils 9. The propeller of the movable energy station, the direct-current power supply device and the inverter are all arranged in the movable energy station sealing shell 11, wherein the propeller provides power for the energy station, the direct-current power supply device is connected with the inverter, and energy flows to the inverter from the power generation device; the primary sealing device 13 of the movable energy station is arranged at the positions of the primary magnetic conductive iron core 1 and the radial positioning electromagnet 5, and the axial positioning electromagnet sealing device 15 of the movable energy station is arranged at the position of the axial positioning electromagnet 8, so that the movable energy station is isolated from water; the primary coil 2 of the movable energy station is connected to an inverter, and an electric connection portion is insulated, wherein the primary coil 2 is wound to the primary magnetically permeable core 1. The radial positioning electromagnet coil 6 of the movable energy station is connected with a direct current power supply, and the radial positioning electromagnet coil 6 is wound at the radial positioning electromagnet 5; the axial positioning electromagnet coil 9 of the movable energy station is connected with a direct current power supply, and the axial positioning electromagnet coil 9 is wound at the axial positioning electromagnet 8.
The energy receiving cavity 12 of the fixed ocean device is matched with the part of the movable energy station sealing shell 11 in size, a conical positioning cylinder 16 is axially arranged, the conical positioning cylinder 16 is connected with the spigot to play a role in positioning, and the pressure sensor is arranged at the axial position of the movable energy station and matched with the positioning part of the spigot; the fixed marine device is provided with an axial positioning armature block 10 at the spigot position, and the movable energy station is provided with an axial positioning electromagnet 8 at the corresponding position.
The working process is as follows:
after the movable energy station approaches the fixed ocean device, the butt joint is completed by utilizing the conical positioning cylinder 16 and the shape and position matching, the propeller continues to give force until the signal of the pressure sensor reaches a preset value, the propeller is powered off, and the radial positioning electromagnet coil 6 of the movable energy station is powered on; then, the axial positioning electromagnet coil 9 is electrified, the primary coil 2 is electrified after the movable energy station is stably positioned, and a wireless electric energy transmission process between the movable energy station and the fixed marine device is started. Through the process, the system realizes wireless power transmission from the movable energy station to the fixed marine device, and the function can be remotely controlled through the upper computer or automatically controlled through programming the lower computer.
In summary, the invention relates to an underwater wireless power transmission system with an integrated electromagnetic positioning function, which belongs to the technical field of power transmission and power conversion and comprises a fixed marine device and a movable energy station. The energy receiving cavity of the fixed marine device is matched with the sealing shell of the movable energy station in size, a conical positioning cylinder is axially arranged, the conical positioning cylinder is connected with the spigot, and the pressure sensor is arranged at the axial position of the movable energy station and matched with the positioning part of the spigot; the fixed marine device is provided with an axial positioning armature block at the spigot position, and the movable energy station is provided with an axial positioning electromagnet at the corresponding position. The invention has simple structure and high reliability, can work in an underwater environment for a long time, can effectively realize wireless power transmission in an underwater complex environment, can ensure the stability of the underwater wireless power transmission, and can maintain the positioning precision in all processes without mechanical connection.
Claims (10)
1. An underwater wireless power transmission system with integrated electromagnetic positioning function, characterized by comprising: the device comprises a fixed ocean device and a movable energy station, wherein the fixed ocean device comprises a secondary magnetic conduction iron core (3), a secondary coil (4), a radial positioning armature block (7), a fixed ocean device energy receiving cavity (12), a secondary sealing device (14), a conical positioning cylinder (16), an energy storage device, a rectifier bridge and an axial positioning armature block (10); the movable energy station comprises a primary magnetic conductive iron core (1), a primary coil (2), a radial positioning electromagnet (5), a radial positioning electromagnet coil (6), a propeller, an axial positioning electromagnet (8), a pressure sensor, an axial positioning electromagnet coil (9), a movable energy station sealing shell (11), a primary sealing device (13), a direct current power supply device, an inverter and an axial positioning electromagnet sealing device (15); wherein, the secondary magnetic conductive iron cores (3) are uniformly distributed on the inner circumference of the energy receiving cavity (12) of the fixed marine device; the radial positioning armature block (7) is positioned at the gap of the secondary magnetic conductive iron core (3); the radial positioning armature block (7) is connected with the energy receiving cavity (12) of the fixed marine device; a secondary sealing device (14) positioned on the energy receiving cavity (12) of the fixed marine device is sleeved on the secondary magnetic conductive iron core (3) and the radial positioning armature block (7); the energy storage device is connected with the rectifier bridge and is arranged in the main cavity of the fixed marine device; the secondary coil (4) of the fixed marine device is connected with the rectifier bridge; the secondary coil (4) is wound at the secondary magnetic conductive iron core (3); the primary coil (2) is distributed on the outer circumference of the movable energy station sealing shell (11); the radial positioning electromagnet (5) and the radial positioning electromagnet coil (6) are uniformly distributed at the gap of the primary magnetic conductive iron core (1); the propeller, the direct current power supply device and the inverter are all arranged in a movable energy station sealing shell (11) and the direct current power supply device is connected with the inverter; the primary sealing device (13) is sleeved on the primary magnetic conductive iron core (1) and the radial positioning electromagnet (5); the axial positioning electromagnet sealing device (15) is arranged on the axial positioning electromagnet (8), the primary coil (2) is connected with the inverter, and the radial positioning electromagnet coil (6) and the axial positioning electromagnet coil (9) are respectively connected with the direct current power supply.
2. An underwater wireless power transfer system with integrated electromagnetic positioning function as claimed in claim 1, characterized in that: the fixed marine device part is provided with 2k secondary magnetic conductive iron cores and 2k secondary coils, the connection of the radial positioning armature block and the energy receiving cavity of the fixed marine device is rigid connection, and the size fit is interference fit, wherein k is a positive integer.
3. An underwater wireless power transfer system with integrated electromagnetic positioning function as claimed in claim 1, characterized in that: the marine fixing device comprises 2n radial positioning armature blocks, wherein the 2 radial positioning armature blocks are in a group, and the radial positioning armature blocks and the secondary magnetic conductive iron core are positioned on the same plane, wherein n is a positive integer.
4. An underwater wireless power transfer system with integrated electromagnetic positioning function as claimed in claim 1, characterized in that: and the secondary coil of the fixed marine device is insulated from the electric connection part of the rectifier bridge.
5. An underwater wireless power transfer system with integrated electromagnetic positioning function as claimed in claim 1, characterized in that: the movable energy station part is provided with 2k primary magnetic conductive iron cores and 2k primary coils, wherein the primary magnetic conductive iron cores and the secondary magnetic conductive iron cores are positioned on the same circumference plane, the primary magnetic conductive iron cores and the secondary magnetic conductive iron cores are connected with the movable energy station sealing shell in a rigid mode, and the movable energy station part is in interference fit in size fit, wherein k is a positive integer.
6. An underwater wireless power transfer system with integrated electromagnetic positioning function as claimed in claim 1, characterized in that: the movable energy station part is provided with 2n radial positioning electromagnets, 2n radial positioning electromagnet coils, 2 radial positioning electromagnets are in a group, the radial positioning electromagnets (5) are rigidly connected with the movable energy station sealing shell (11), and the size fit is interference fit.
7. An underwater wireless power transfer system with integrated electromagnetic positioning function as claimed in claim 1, characterized in that: the movable energy station part is provided with 4 axial positioning electromagnets and 4 axial positioning electromagnet coils.
8. An underwater wireless power transfer system with integrated electromagnetic positioning function as claimed in claim 1, characterized in that: the primary coil of the movable energy station is insulated from the electric connection part of the inverter, and is wound at the primary magnetic conductive iron core.
9. An underwater wireless power transfer system with integrated electromagnetic positioning function as claimed in claim 1, characterized in that: the radial positioning electromagnet coil is wound on the radial positioning electromagnet, and the axial positioning electromagnet coil is wound on the axial positioning electromagnet.
10. An underwater wireless power transfer system with integrated electromagnetic positioning function as claimed in claim 1, characterized in that: the energy receiving cavity of the fixed ocean device is matched with the sealing shell of the movable energy station in size, the conical positioning cylinder is axially arranged, the conical positioning cylinder is connected with the spigot, and the pressure sensor is arranged at the axial position of the movable energy station and matched with the positioning part of the spigot.
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| CN110299768A (en) | 2019-10-01 |
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