CN117134633B - Inverter for underwater electromechanical equipment - Google Patents
Inverter for underwater electromechanical equipment Download PDFInfo
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- CN117134633B CN117134633B CN202311381244.4A CN202311381244A CN117134633B CN 117134633 B CN117134633 B CN 117134633B CN 202311381244 A CN202311381244 A CN 202311381244A CN 117134633 B CN117134633 B CN 117134633B
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- 238000007789 sealing Methods 0.000 claims abstract description 72
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 238000004140 cleaning Methods 0.000 claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims description 64
- 238000001514 detection method Methods 0.000 claims description 41
- 150000003839 salts Chemical class 0.000 claims description 25
- 230000008713 feedback mechanism Effects 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 22
- 244000208734 Pisonia aculeata Species 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 16
- 238000012544 monitoring process Methods 0.000 claims description 12
- 238000005260 corrosion Methods 0.000 claims description 9
- 230000001502 supplementing effect Effects 0.000 claims description 6
- 238000005536 corrosion prevention Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims 2
- 230000037431 insertion Effects 0.000 claims 2
- 230000017525 heat dissipation Effects 0.000 abstract description 15
- 238000009825 accumulation Methods 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 8
- 235000017491 Bambusa tulda Nutrition 0.000 description 8
- 241001330002 Bambuseae Species 0.000 description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 8
- 239000011425 bamboo Substances 0.000 description 8
- 230000007797 corrosion Effects 0.000 description 8
- 239000012535 impurity Substances 0.000 description 7
- 230000003044 adaptive effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000006056 electrooxidation reaction Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000002184 metal Substances 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
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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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
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G1/00—Non-rotary, e.g. reciprocated, appliances
- F28G1/02—Non-rotary, e.g. reciprocated, appliances having brushes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G15/00—Details
- F28G15/04—Feeding and driving arrangements, e.g. power operation
- F28G15/06—Automatic reversing devices
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/209—Heat transfer by conduction from internal heat source to heat radiating structure
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20945—Thermal management, e.g. inverter temperature control
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
Abstract
The invention belongs to the technical field of inverters, and particularly relates to an inverter for underwater electromechanical equipment, which comprises a mounting cylinder, wherein a plurality of heat conduction mounting blocks are fixedly connected inside the mounting cylinder, inverter electronic elements are mounted on the heat conduction mounting blocks, and a plurality of heat conduction rods which are in contact with the outer walls of the heat conduction mounting blocks are fixedly embedded in the outer walls of the mounting cylinder. The invention can effectively ensure the heat conduction and heat dissipation performance of the inverter working under water, effectively avoid the problem that the heat accumulation in the inverter influences the stable use of the inverter for a long time, effectively protect the heat dissipation fins in a corrosion-proof way, prolong the service life, automatically adjust the cleaning frequency, realize better applicability, select whether the heat dissipation fins assist in heat dissipation according to the temperature of the water environment, avoid the problem that the reverse feedback temperature of the heat dissipation fins is too low to influence the normal and stable use of the inverter, and further realize the sealing compensation of the sealing connection part of the end part of the mounting cylinder of the inverter.
Description
Technical Field
The invention belongs to the technical field of inverters, and particularly relates to an inverter for underwater electromechanical equipment.
Background
At present, various underwater electromechanical devices need to be used for converting power sources by using an inverter, wherein an inverter body generally comprises an IGBT inversion module, a power panel, a control circuit board, a driving circuit board, a small capacitor, a large filter capacitor, a charging resistor, a short-circuit contactor, a Hall current measuring element and the like, and due to the environmental limitation of underwater operation, the inverter body is packaged by using a hollow cylindrical pressure-resistant container, and the inverter has a plurality of problems in the use of underwater operation due to the structural design:
1. each electronic element device in the inverter can emit heat during operation, and the sealed packaging structure greatly influences the heat radiation performance of the whole inverter, so that the long-time working performance of the inverter is greatly influenced;
2. some underwater inverters adopt a structure of radiating fins to conduct heat accumulated in the inverters relatively, but in the underwater operation of the radiating fins made of metal, as salt and impurities are contained in water, when the salt and the impurities exist on the surfaces of the radiating fins, an electrochemical corrosion environment is formed with an underwater environment, and the electrochemical corrosion environment can accelerate the corrosion rate of the radiating fins and influence the overall service life of the external radiating structure of the inverter;
3. because there is the temperature gradient in the ocean, the temperature reduces along with the increase of degree of depth, when the dc-to-ac converter moves to the position of great place along with the underwater equipment, because the reduction of temperature, the inside heat of dc-to-ac converter has been fully able to realize discharging from the heat exchange of dc-to-ac converter shell and sea water this moment, and the heat transfer of fin structure can make the inside temperature of dc-to-ac converter be less than optimum operating temperature easily, under low temperature environment, the electric conductivity of the electronic component and the electrical component of dc-to-ac converter can drop, can directly lead to the power conversion efficiency of dc-to-ac converter to influence the holistic performance of equipment, on the contrary can influence the steady normal work of dc-to-ac converter.
To this end, we propose an inverter for underwater electromechanical devices to solve the above-mentioned problems.
Disclosure of Invention
The present invention has been made in view of the above problems, and an object of the present invention is to provide an inverter for underwater electromechanical devices.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the inverter for the underwater electromechanical equipment comprises a mounting cylinder, wherein a plurality of heat conduction mounting blocks are fixedly connected to the inside of the mounting cylinder, inverter electronic elements are mounted on the heat conduction mounting blocks, a plurality of heat conduction rods which are in contact with the outer wall of the heat conduction mounting blocks are fixedly embedded in the outer wall of the mounting cylinder, a self-adaptive propulsion sealing mechanism is fixedly mounted in the rear end of the mounting cylinder, a supporting cylinder is movably sleeved outside the mounting cylinder, a plurality of radiating fins are uniformly and fixedly connected to the outer wall of the supporting cylinder, a plurality of bulges are arranged on one side, close to the mounting cylinder, of each radiating fin, one end of each bulge penetrates through and extends out of the supporting cylinder and is in contact with the heat conduction rod, a plurality of cleaning and corrosion-preventing mechanisms corresponding to the positions of the radiating fins are fixedly arranged outside the supporting cylinder, a power push-pull mechanism for driving the supporting cylinder to move and adjust is fixedly arranged on the outer wall of the mounting cylinder, the front end of the installation cylinder is fixedly provided with an equipment shell, the front end of the equipment shell is rotationally connected with an impeller, the center of the inner wall of the equipment shell is rotationally connected with a transmission shaft, the front end of the inner wall of the equipment shell is fixedly provided with a reduction gear box, one end of a central shaft of the impeller and one end of the transmission shaft are respectively fixedly connected with the input end and the output end of the reduction gear box, one side of the inner wall of the equipment shell is fixedly provided with a positive and negative power supply mechanism which is electrically connected with a cleaning and corrosion prevention mechanism, a water and salt content circulation detection mechanism for detecting the salt content of the water environment is arranged between the inside of the equipment shell and the transmission shaft, a water temperature monitoring feedback mechanism is also arranged between the equipment shell and the transmission shaft, the water and salt content circulation detection mechanism is electrically connected to a power supply circuit of the positive and negative power supply mechanism, the water temperature monitoring feedback mechanism is electrically connected to the power supply circuits of the self-adaptive pushing and sealing mechanism and the power push-pull mechanism.
In the inverter for the underwater electromechanical device, the self-adaptive propulsion sealing mechanism comprises a sealing ring plate fixedly connected to the inner wall of the rear end of the mounting cylinder, a sealing blocking block is fixedly connected to the sealing ring plate, the outer side of the sealing blocking block is fixedly connected with one compensating plate through a plurality of telescopic rods, an annular sealing compensating pad abutting against the inner wall of the mounting cylinder is fixedly connected to the outer wall of one side of the compensating plate, which is close to the sealing ring plate, the inner side of the annular sealing compensating pad is of an inclined surface structure, one end of the annular sealing compensating pad is inserted into a gap between the sealing blocking block and the mounting cylinder, a pullback electromagnetic plate is fixedly connected to the outer wall of the sealing blocking block, a pullback permanent magnetic plate is fixedly connected to the side wall of the compensating plate, and a first elastic sealing insulating rubber sleeve sleeved outside the pullback electromagnetic plate and the pullback permanent magnetic plate is fixedly connected between the sealing blocking block and the compensating plate.
In the inverter for the underwater electromechanical device, the cleaning and corrosion preventing mechanism comprises a plurality of guide rods which are symmetrically and fixedly connected to the outer wall of the supporting cylinder, two reciprocating plates are symmetrically and slidingly sleeved outside the guide rods, a cleaning frame which is fixedly connected with the same sleeve and arranged outside the radiating fins is arranged between the two reciprocating plates, a plurality of jacks are formed in the front side and the back side of the cleaning frame, a plurality of extruding rods are movably sleeved in the corresponding jacks, one end of each extruding rod is fixedly connected with one brush plate, a plurality of extruding springs which are respectively sleeved outside the plurality of extruding rods are fixedly connected between each brush plate and the cleaning frame, a plurality of reciprocating electromagnetic plates which correspond to the positions of the reciprocating plates are fixedly connected to the outer wall of the supporting cylinder, and a second elastic sealing insulating rubber sleeve which is sleeved outside the reciprocating electromagnetic plates and the reciprocating electromagnetic plates is fixedly connected between the supporting cylinder and the reciprocating plates.
In the inverter for the underwater electromechanical device, the power push-pull mechanism comprises two first positioning ring plates and second positioning ring plates which are symmetrically and fixedly sleeved on the outer walls of two ends of the mounting cylinder, two ends of the supporting cylinder are fixedly connected with the push-pull ring plates, the side wall of the first positioning ring plate is fixedly connected with a plurality of attraction electromagnetic plates, one side wall of the push-pull ring plate is fixedly connected with a plurality of attraction permanent magnet plates corresponding to the attraction electromagnetic plates in position, a plurality of third elastic sealing insulating rubber sleeves sleeved outside the attraction electromagnetic plates and the attraction permanent magnet plates are fixedly connected between the first positioning ring plates and the push-pull ring plates, and a plurality of reset springs are fixedly connected between the side wall of the second positioning ring plate and the other push-pull ring plate.
In the above-mentioned inverter for underwater electromechanical device, positive and negative power supply mechanism includes the insulating round shell of fixed connection at equipment shell inner wall, the inner wall symmetry fixedly connected with of insulating round shell is positive to electric connection board and reverse electric connection board, the inner wall intermediate position rotation of insulating round shell is connected with the pivot, the fixed extension rod that has cup jointed of axle wall of pivot, the one end fixedly connected with conducting block of extension rod, the outer wall fixed mounting of insulating round shell has the rotating electrical machines, the output of rotating electrical machines and the one end fixed connection of pivot, positive electric connection board, reverse electric connection board and conducting block are connected on reciprocating electromagnetic plate's power supply circuit.
In the above-mentioned inverter for underwater electromechanical device, the circulating detection mechanism of water and salt content includes the detection section of thick bamboo of fixed connection at equipment shell inner wall, the seal cover is equipped with the piston board in the detection section of thick bamboo, the upper end fixedly connected with many atress poles of piston board, many the upper end of atress pole runs through the upper end of detection section of thick bamboo, and fixedly connected with same atress board, the lower extreme of atress board and the upper end fixedly connected with of detection section of thick bamboo push away the spring of establishing outside the atress pole, the fixed detection cam that is located the atress board upside that has cup jointed of axle wall of transmission shaft, the fixed intercommunication of lower extreme outer wall symmetry of detection section of thick bamboo has drain pipe and moisturizing pipe, all install the check valve on drain pipe and the moisturizing pipe, the fixed plug bush of rear side of detection section of thick bamboo still has two to connect the electricity electrode, two connect the electricity electrode to establish on rotary motor's power supply circuit.
In the inverter for the underwater electromechanical device, the water temperature monitoring feedback mechanism comprises a temperature sensing barrel fixedly connected to the outer wall of the device shell, a positive coefficient thermistor is fixedly arranged in the temperature sensing barrel, the positive coefficient thermistor is electrically connected to a power supply circuit of the pull-back electromagnetic plate and the suction electromagnetic plate, a plurality of jacks symmetrically arranged relative to the temperature sensing barrel are formed in the side wall of the device shell, lifting rods are movably inserted in the corresponding jacks through sealing guide bearings, the upper ends of the lifting rods are fixedly connected with the same wiping frame, wiping pads are fixedly connected in the wiping frame, the lower ends of the lifting rods are fixedly connected with the same lifting plate, a plurality of return springs sleeved outside the lifting rods are fixedly connected between the upper ends of the lifting plates and the inner wall of the device shell, cleaning cams opposite to the lifting plates are fixedly sleeved on the shaft wall of the transmission shaft, cavities are formed in the cleaning cams, rotating speed resistor feedback mechanisms are arranged in the corresponding cavities, and the rotating speed resistor feedback mechanisms are electrically connected to the power supply circuit of the positive and negative power supply mechanism.
In the inverter for the underwater electromechanical device, the rotating speed resistance feedback mechanism comprises a resistance rod fixedly connected in the cleaning cam, wherein the inner wall of one end of the cleaning cam is fixedly connected with a sliding block through a traction spring, and one side of the sliding block is fixedly connected with an elastic power connection piece in electric contact with the resistance rod.
Compared with the prior art, the invention has the beneficial effects that:
1. through the installation section of thick bamboo, heat conduction installation piece, dc-to-ac converter electronic component, the heat conduction stick, support section of thick bamboo, radiating fin, equipment shell, impeller, transmission shaft, reduction gear box, clear brush anticorrosive mechanism, positive and negative power supply mechanism that set up, can effectively guarantee the heat conduction heat dispersion of dc-to-ac converter work under water, effectively avoid the inside heat accumulation of dc-to-ac converter to influence the problem that the dc-to-ac converter used steadily for a long time, and can carry out continuous clear brush to radiating fin surface, avoid salt and impurity to exist in radiating fin surface and the environment formation electrochemistry corrosion environment under water, and then accelerate radiating fin corrosion rate, influence the problem of the whole life of the outside heat radiation structure of dc-to-ac converter.
2. Through the circulating detection mechanism of water and salt content, rotational speed resistance feedback mechanism that set up, can be based on the water environment salt content that the dc-to-ac converter is located and whether the dc-to-ac converter is in the state of moving and adjust radiating fin's clear brush speed, reduce clear brush frequency when the dc-to-ac converter removes along with the equipment under water, avoid rivers to strike the problem that causes the damage to clear brush corrosion protection mechanism, and increase clear brush frequency when water environment salt content is many, as far as reduce the salt impurity and adhere to the problem that causes the damage influence to radiating fin on radiating fin.
3. Through temperature monitoring feedback mechanism, self-adaptation propulsion sealing mechanism, power push-pull mechanism that set up, can carry out the selection of whether supplementary heat dissipation of radiating fin according to the height of water environment temperature that is located, avoid radiating fin reverse feedback temperature to be too low to influence the problem that the dc-to-ac converter normally used steadily, and can give the further sealed compensation of mounting cylinder tip sealing connection department of dc-to-ac converter, avoid because the low temperature environment causes the sealed department of dc-to-ac converter to cause sealed department clearance increase because the phenomenon reason of shrinkage, and then cause whole dc-to-ac converter sealing performance to receive the problem of influence, sealed protectiveness is better.
To sum up: the invention can effectively ensure the heat conduction and heat dissipation performance of the inverter working under water, effectively avoid the problem that the heat accumulation in the inverter influences the stable use of the inverter for a long time, effectively protect the heat dissipation fins in a corrosion-proof way, prolong the service life, automatically adjust the cleaning frequency, realize better applicability, select whether the heat dissipation fins assist in heat dissipation according to the temperature of the water environment, avoid the problem that the reverse feedback temperature of the heat dissipation fins is too low to influence the normal and stable use of the inverter, and further compensate the sealing connection part of the end part of the installation cylinder of the inverter in a sealing way, and realize better sealing protection.
Drawings
Fig. 1 is a schematic structural view of an inverter for an underwater electromechanical device provided by the present invention;
FIG. 2 is a schematic cross-sectional structural view of an adaptive propulsion seal mechanism of an inverter for an underwater electromechanical device provided by the present invention;
fig. 3 is a schematic top view of a part of a brush corrosion prevention mechanism of an inverter for an underwater electromechanical device according to the present invention;
fig. 4 is a schematic structural view of a power push-pull mechanism of an inverter for an underwater electromechanical device provided by the invention;
fig. 5 is an enlarged sectional schematic view of a front end portion of an inverter for an underwater electromechanical apparatus according to the present invention;
FIG. 6 is a schematic cross-sectional view of the forward and reverse power supply mechanism of the inverter for underwater electromechanical equipment provided by the invention;
FIG. 7 is a schematic diagram of a cross-sectional structure of a water-salt content cycle detection mechanism of an inverter for an underwater electromechanical device provided by the invention;
FIG. 8 is a schematic diagram of a cross-sectional structure of a water temperature monitoring feedback mechanism of an inverter for an underwater electromechanical device provided by the invention;
fig. 9 is a schematic diagram of a cross-sectional structure of a rotational speed resistance feedback mechanism of an inverter for an underwater electromechanical device according to the present invention.
In the figure: 1 a mounting cylinder, 2 a self-adaptive propelling sealing mechanism, 21 a sealing ring plate, 22 a sealing block, 23 a telescopic rod, 24 a compensating plate, 25 a ring-shaped sealing compensating pad, 26 a back-pulling electromagnetic plate, 27 a back-pulling permanent magnetic plate, 28 a first elastic sealing insulating rubber sleeve, 3 a cleaning and corrosion-proof mechanism, 31 a guide rod, 32 a reciprocating plate, 33 a cleaning frame, 34 a push rod, 35 a hairbrush plate, 36 a push spring, 37 a reciprocating electromagnetic plate, 38 a reciprocating permanent magnetic plate, 39 a second elastic sealing insulating rubber sleeve, 4 a power push-pull mechanism, 41 a first positioning ring plate, 42 a second positioning ring plate, 43 a push-pull ring plate, 44 a suction electromagnetic plate, 45 a suction permanent magnetic plate, 46 a third elastic sealing insulating rubber sleeve, 47 a return spring, 5 a positive and negative mechanism, 51 an insulating round shell, 52 a positive electric connection plate the device comprises a 53 reverse electric connection plate, a 54 rotating shaft, a 55 extension rod, a 56 conducting block, a 57 rotating motor, a 6 water salt content circulating detection mechanism, a 61 detection cylinder, a 62 piston plate, a 63 stress rod, a 64 stress plate, a 65 pushing spring, a 66 detection cam, a 67 drain pipe, a 68 water supplementing pipe, a 69 electric connection electrode, a 7 water temperature monitoring feedback mechanism, a 71 temperature sensing cylinder, a 72 positive coefficient thermistor, a 73 lifting rod, a 74 wiping frame, a 75 wiping pad, a 76 lifting plate, a 77 return spring, a 78 cleaning cam, an 8 rotating speed resistor feedback mechanism, a 81 resistor rod, a 82 traction spring, a 83 sliding block, a 84 elastic electric connection plate, a 9 heat conduction installation block, a 10 inverter electronic element, a 11 heat conduction rod, a 12 supporting cylinder, a 13 radiating fin, a 14 equipment shell, a 15 impeller, a 16 transmission shaft and a 17 speed reduction gearbox.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
As shown in fig. 1-9, an inverter for underwater electromechanical equipment comprises a mounting cylinder 1, wherein a plurality of heat conduction mounting blocks 9 are fixedly connected to the inside of the mounting cylinder 1, an inverter electronic element 10 is mounted on the heat conduction mounting blocks 9, a plurality of heat conduction rods 11 which are in contact with the outer wall of the heat conduction mounting blocks 9 are fixedly embedded in the outer wall of the mounting cylinder 1, an adaptive propulsion sealing mechanism 2 is fixedly mounted in the rear end of the mounting cylinder 1, the adaptive propulsion sealing mechanism 2 comprises a sealing ring plate 21 fixedly connected to the inner wall of the rear end of the mounting cylinder 1, a sealing blocking block 22 is fixedly connected to the sealing ring plate 21, the outer side of the sealing blocking block 22 is fixedly connected with the same compensating plate 24 through a plurality of telescopic rods 23, an annular sealing compensation pad 25 which is abutted against the inner wall of the mounting cylinder 1 is fixedly connected to the outer wall of the compensating plate 24, the inner side of the annular sealing compensation pad 25 is of an inclined structure, one end of the annular sealing compensation pad 25 is spliced in a gap between the sealing block 22 and the mounting cylinder 1, the outer wall of the sealing block 22 is fixedly connected with a pull-back electromagnetic plate 26, the side wall of the compensating plate 24 is fixedly connected with a pull-back electromagnetic plate 27, and the side wall of the compensating plate 24 is fixedly connected with a first electromagnetic blocking plate 27 and an insulating elastic pull-back plate 27 is fixedly connected to the electromagnetic blocking plate 27.
The installation cylinder 1 is also movably sleeved with a supporting cylinder 12, a plurality of radiating fins 13 are uniformly and fixedly connected to the outer wall of the supporting cylinder 12, a plurality of bulges are arranged on one side, close to the installation cylinder 1, of the radiating fins 13 in an extending manner, one ends of the bulges penetrate through the supporting cylinder 12 and are in contact with the heat conducting rod 11, a plurality of cleaning and corrosion preventing mechanisms 3 corresponding to the positions of the radiating fins 13 are fixedly arranged outside the supporting cylinder 12, the cleaning and corrosion preventing mechanisms 3 comprise a plurality of guide rods 31 which are symmetrically and fixedly connected to the outer wall of the supporting cylinder 12, two reciprocating plates 32 are symmetrically and slidingly sleeved outside the plurality of guide rods 31, a plurality of jacks are fixedly connected between the two reciprocating plates 32, a plurality of extruding rods 34 are movably sleeved on the front side and the back side of the cleaning and brushing frame 33, one end, which is positioned on the same side, of the plurality of extruding rods 34 is fixedly connected with a same brush plate 35, a plurality of extruding springs 36 respectively sleeved outside the plurality of extruding rods 34 are fixedly connected between the brush plate 35 and the cleaning frame 33, the outer wall of the supporting cylinder 12 is fixedly connected with the reciprocating electromagnetic plates 37, and the reciprocating electromagnetic plates 37 are fixedly connected with the reciprocating electromagnetic plates 37, and the electromagnetic plates 37 are fixedly connected with the reciprocating electromagnetic plates 38.
The outer wall of the mounting cylinder 1 is fixedly provided with a power push-pull mechanism 4 for driving the supporting cylinder 12 to move and adjust, the power push-pull mechanism 4 comprises two first positioning ring plates 41 and second positioning ring plates 42 which are symmetrically and fixedly sleeved on the outer walls of the two ends of the mounting cylinder 1, two ends of the supporting cylinder 12 are fixedly connected with push-pull ring plates 43, the side wall of the first positioning ring plate 41 is fixedly connected with a plurality of attraction permanent magnet plates 45 corresponding to the positions of the attraction permanent magnet plates 44, a plurality of third elastic sealing insulating rubber sleeves 46 sleeved outside the attraction permanent magnet plates 44 and the attraction permanent magnet plates 45 are fixedly connected between the first positioning ring plates 41 and the push-pull ring plates 43, and a plurality of return springs 47 are fixedly connected between the side wall of the second positioning ring plate 42 and the other push-pull ring plates 43.
The front end of the installation cylinder 1 is fixedly provided with an equipment shell 14, the front end of the equipment shell 14 is rotationally connected with an impeller 15, the center of the inner wall of the equipment shell 14 is rotationally connected with a transmission shaft 16, the front end of the inner wall of the equipment shell 14 is fixedly provided with a reduction gear box 17, the central shaft of the impeller 15 and one end of the transmission shaft 16 are fixedly connected with the input end and the output end of the reduction gear box 17 respectively, one side of the inner wall of the equipment shell 14 is fixedly provided with a positive and negative power supply mechanism 5 electrically connected with the cleaning and corrosion prevention mechanism 3, the positive and negative power supply mechanism 5 comprises an insulating round shell 51 fixedly connected with the inner wall of the equipment shell 14, the inner wall of the insulating round shell 51 is symmetrically and fixedly connected with a positive electric connection plate 52 and a negative electric connection plate 53, the middle position of the inner wall of the insulating round shell 51 is rotationally connected with a rotating shaft 54, the shaft wall of the rotating shaft 54 is fixedly sleeved with an extension rod 55, one end of the extension rod 55 is fixedly connected with a conductive block 56, the outer wall of the insulating round shell 51 is fixedly provided with a rotating motor 57, the output end of the rotating motor 57 is fixedly connected with one end of the rotating shaft 54, and the positive electric connection plate 52, the negative electric connection plate 53 and the conductive block 56 are connected with a circuit of the reciprocating electromagnetic plate 37.
A water and salt content circulating detection mechanism 6 for detecting the salt content of water environment is arranged between the inside of the equipment shell 14 and the transmission shaft 16, the water and salt content circulating detection mechanism 6 comprises a detection cylinder 61 fixedly connected to the inner wall of the equipment shell 14, a piston plate 62 is sleeved in the detection cylinder 61, a plurality of stress rods 63 are fixedly connected to the upper ends of the piston plate 62, the upper ends of the stress rods 63 penetrate through the upper ends of the detection cylinder 61 and are fixedly connected with the same stress plate 64, the lower ends of the stress plates 64 and the upper ends of the detection cylinder 61 are fixedly connected with a plurality of pushing springs 65 sleeved outside the stress rods 63, a detection cam 66 positioned on the upper side of the stress plate 64 is fixedly sleeved on the shaft wall of the transmission shaft 16, a drain pipe 67 and a water supplementing pipe 68 are symmetrically and fixedly connected to the outer wall of the lower end of the detection cylinder 61, a check valve is arranged on each of the drain pipe 67 and the water supplementing pipe 68, two power receiving electrodes 69 are fixedly sleeved on the rear side of the detection cylinder 61 in a vertically symmetrical manner, and the two power receiving electrodes 69 are connected in series on a power supply circuit of the rotary motor 57.
The water temperature monitoring feedback mechanism 7 is further arranged between the equipment shell 14 and the transmission shaft 16, the water temperature monitoring feedback mechanism 7 comprises a temperature sensing cylinder 71 fixedly connected to the outer wall of the equipment shell 14, a positive coefficient thermistor 72 is fixedly arranged in the temperature sensing cylinder 71, the positive coefficient thermistor 72 is electrically connected to a power supply circuit of the pull-back electromagnetic plate 26 and the suction electromagnetic plate 44, a plurality of jacks symmetrically arranged relative to the temperature sensing cylinder 71 are arranged on the side wall of the equipment shell 14, lifting rods 73 are movably inserted into the corresponding jacks through sealing guide bearings, the upper ends of the lifting rods 73 are fixedly connected with the same wiping frame 74, wiping pads 75 are fixedly connected in the wiping frame 74, the lower ends of the lifting rods 73 are fixedly connected with the same lifting plate 76, a plurality of return springs 77 sleeved outside the lifting rods 73 are fixedly connected between the upper ends of the lifting plates 76 and the inner wall of the equipment shell 14, cleaning cams 78 opposite to the lifting plates 76 are fixedly sleeved on the shaft wall of the transmission shaft 16, a cavity is formed in the cleaning cams 78, the corresponding cavity is internally provided with a rotating speed resistance feedback mechanism 8, and the rotating speed feedback mechanism 8 is connected to the power supply circuit 5.
The water-salt content circulation detection mechanism 6 is electrically connected to the power supply circuit of the positive and negative power supply mechanism 5, and the water temperature monitoring feedback mechanism 7 is electrically connected to the power supply circuits of the self-adaptive propulsion sealing mechanism 2 and the power push-pull mechanism 4.
The rotating speed resistor feedback mechanism 8 comprises a resistor rod 81 fixedly connected in the cleaning cam 78, wherein the inner wall of one end of the cleaning cam 78 is fixedly connected with a sliding block 83 through a traction spring 82, and one side of the sliding block 83 is fixedly connected with an elastic power connection piece 84 which is electrically contacted with the resistor rod 81.
The principle of operation of the present invention will now be described as follows: the inverter electronic component 10 is arranged on the heat conduction installation block 9, the heat conduction installation block 9 is fixed in the installation cylinder 1, the heat generated by the operation of the inverter electronic component 10 can be rapidly concentrated on the heat conduction installation block 9, the heat generated by the operation of the inverter electronic component 10 is dissipated to the outside of the installation cylinder 1 through the plurality of heat conduction rods 11, the heat dissipation fins 13 are contacted with the heat conduction rods 11, and then the heat generated by the operation of the inverter electronic component 10 is rapidly exhausted by being matched with the heat dissipation fins 13, so that the rapid heat dissipation and cooling operation is realized, the heat conduction and heat dissipation performance of the underwater operation of the inverter can be effectively ensured, the problem that the heat accumulation in the inverter affects the long-time stable use of the inverter is effectively avoided, the rotating motor 57 drives the conductive block 56 to continuously move in the insulating circular shell 51 through the rotating shaft 54 and the extension rod 55, when the conductive block 56 is contacted with the forward electric connection plate 52, the forward power supply of the reciprocating electromagnetic plate 37 is communicated, so that the surface of the reciprocating electromagnetic plate 37 facing the reciprocating permanent magnetic plate 38 is provided with magnetism opposite to that of the reciprocating permanent magnetic plate 38, the reciprocating plate 32 is pushed to move upwards along the guide rod 31, the cleaning frame 33 is driven to move upwards, the outer surface of the radiating fin 13 is quickly cleaned by the brush plate 35, salt and impurities are removed, the brush plate 35 is always in contact with the outer surface of the radiating fin 13 by the push spring 36, the cleaning quality is ensured, when the conductive block 56 moves to the position of the reverse electric connection plate 53, the reverse power supply circuit of the reciprocating electromagnetic plate 37 is connected, the reciprocating permanent magnetic plate 38 is adsorbed, the cleaning frame 33 is moved downwards, the downward cleaning work is realized, the continuous cleaning operation of the outer surface of the radiating fin 13 can be realized, the problems that salt and impurities exist on the surface of the radiating fin and an underwater environment form an electrochemical corrosion environment, so that the corrosion rate of the radiating fin is accelerated, and the overall service life of an external radiating structure of the inverter is influenced are avoided;
when the whole inverter moves along with underwater equipment, water flow drives the impeller 15 to rotate, the impeller 15 drives the transmission shaft 16 to rotate at a reduced speed through the reduction gearbox 17, the transmission shaft 16 drives the detection cam 66 to rotate, when the protruding part of the detection cam 66 is pushed to the upper end of the stress plate 64, the stress plate 64 is matched with the stress rod 63 to push the piston plate 62 to move downwards against the elasticity of the pushing spring 65, the piston plate 62 discharges water stored in the detection cylinder 61 through the drain pipe 67, when the protruding part of the detection cam 66 is separated from the stress plate 64, the pushing spring 65 pushes the stress plate 64 to move upwards, the piston plate 62 is further driven to move upwards, negative pressure suction is formed in the detection cylinder 61, water at the current water level is sucked in the detection cylinder 61 by matching with the water supplementing pipe 68, two power receiving electrodes 69 are electrically connected between the water in the detection cylinder 61, when the salt content of the water in the water environment is high, the conductivity of the whole water is better, since the two power receiving electrodes 69 are electrically connected to the power supply circuit of the rotating motor 57, the rotating motor 57 is a direct current motor, the conductivity is better to enable the power supply current of the rotating motor 57 to be larger, the power supply voltage is further larger, the rotating speed of the rotating motor 57 is increased, the cleaning frequency of the radiating fins 13 is improved, and in the whole inverter moving process, the rotating speed of the impeller 15 is faster, the rotating round block of the transmission shaft 16 is further enabled to be higher, the centrifugal force received by the sliding block 83 in the cleaning cam 78 is larger, the moving distance of the sliding block 83 against the elastic force of the pulling spring 82 is further enabled to be larger, the moving distance of the elastic power receiving piece 84 on the resistor rod 81 is further enabled to be longer, the resistance of the resistor rod 81 connected to the rotating motor 57 is increased, the power supply current of the rotating motor 57 is further reduced, the power of the rotating motor 57 is reduced, and the rotating speed is slowed down, the cleaning frequency of the cleaning frame 33 is reduced, the cleaning speed of the radiating fins 13 can be adjusted based on the water environment salt content of the inverter and whether the inverter is in a moving state, the cleaning frequency is reduced when the inverter moves along with underwater equipment, the problem that the water flow impact damages the cleaning and corrosion prevention mechanism 3 is avoided, the cleaning frequency is increased when the water environment salt content is high, and the problem that the damage influence is caused to the radiating fins 13 by the attachment of salt impurities to the radiating fins 13 is reduced as much as possible;
the temperature sensing cylinder 71 feeds the water temperature of the water environment to the positive coefficient thermistor 72, the lower the water temperature is, the smaller the resistance value of the positive coefficient thermistor 72 is, since the positive coefficient thermistor 72 is electrically connected to the power supply circuits of the pull-back electromagnetic plate 26 and the suction electromagnetic plate 44, the power supply current of the pull-back electromagnetic plate 26 and the suction electromagnetic plate 44 is increased due to the decrease of the resistance value of the positive coefficient thermistor 72, the magnetic force of the pull-back electromagnetic plate 26 and the suction electromagnetic plate 44 is enhanced, the pull-back electromagnetic plate 26 is matched with the pull-back permanent magnet plate 27 to drive the compensation plate 24 to move towards the sealing block 22, the annular sealing compensation pad 25 is pushed more towards the gap between the sealing block 22 and the mounting cylinder 1, the sealing connection part of the end part of the mounting cylinder 1 of the inverter can be further compensated, the problem that the gap of the sealing part is increased because of cold shrinkage phenomenon at the sealing part of the inverter is avoided, and then the sealing performance of the whole inverter is affected is solved, sealing protection is better, the attractive electromagnetic plate 44 is matched with the attractive permanent magnetic plate 45, the push-pull ring plate 43 overcomes the elasticity of the reset spring 47 and moves towards the first positioning ring plate 41, the lower end bulge of the radiating fin 13 is further separated from the contact with the heat conducting rod 11, the radiating fin 13 is not subjected to the radiating operation in the inverter, the radiating fin 13 can be subjected to the auxiliary radiating selection according to the temperature of the water environment, and the problem that the reverse feedback temperature of the radiating fin 13 is too low to influence the normal and stable use of the inverter is avoided.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (8)
1. The utility model provides an inverter for underwater electromechanical equipment, includes mounting cylinder (1), its characterized in that, the inside fixedly connected with of mounting cylinder (1) a plurality of heat conduction installation piece (9), install inverter electronic component (10) on heat conduction installation piece (9), the outer wall of mounting cylinder (1) still fixedly inlay have a plurality of and heat conduction installation piece (9) outer wall contact's heat conduction stick (11), the inside fixed mounting of mounting cylinder (1) rear end has self-adaptation propulsion sealing mechanism (2), the outer movable sleeve of mounting cylinder (1) still is equipped with support cylinder (12), the even fixedly connected with of outer wall of support cylinder (12) a plurality of radiating fins (13), one side that radiating fins (13) are close to mounting cylinder (1) extends and is provided with a plurality of archs, and the one end of arch runs through and stretches out support cylinder (12), and with heat conduction stick (11) contact, support cylinder (12) outer fixedly install a plurality of and radiating fins (13) position corresponding brush anti-corrosion mechanism (3), the outer wall fixedly install of mounting cylinder (1) is equipped with self-adaptation propulsion seal mechanism (2), support cylinder (14) outer wall fixedly install and be used for moving the power equipment (4) front end (14) of support cylinder (1) is equipped with, front end (14) is connected with rotation equipment, the device is characterized in that a transmission shaft (16) is further rotationally connected to the center of the inner wall of the device shell (14), a reduction gear box (17) is fixedly arranged at the front end of the inner wall of the device shell (14), a central shaft of an impeller (15) and one end of the transmission shaft (16) are fixedly connected with the input end and the output end of the reduction gear box (17) respectively, a positive and negative power supply mechanism (5) electrically connected with a cleaning and corrosion-preventing mechanism (3) is fixedly arranged on one side of the inner wall of the device shell (14), a water and salt content circulation detection mechanism (6) for detecting the salt content of the water environment is arranged between the inside of the device shell (14) and the transmission shaft (16), a water temperature monitoring feedback mechanism (7) is further arranged between the device shell (14) and the transmission shaft (16), the water and salt content circulation detection mechanism (6) is electrically connected to a power supply circuit of the positive and negative power supply mechanism (5), and the water temperature monitoring feedback mechanism (7) is electrically connected to a power supply circuit of the self-adaptive propulsion sealing mechanism (2) and the power push-pull mechanism (4).
2. The inverter for the underwater electromechanical device according to claim 1, wherein the self-adaptive propulsion sealing mechanism (2) comprises a sealing ring plate (21) fixedly connected to the inner wall of the rear end of the mounting cylinder (1), a sealing block (22) is fixedly connected to the sealing ring plate (21), the outer side of the sealing block (22) is fixedly connected with the same compensating plate (24) through a plurality of telescopic rods (23), an annular sealing compensating pad (25) abutting against the inner wall of the mounting cylinder (1) is fixedly connected to the outer wall of one side of the compensating plate (24) close to the sealing ring plate (21), the inner side of the annular sealing compensating pad (25) is of an inclined surface structure, one end of the annular sealing compensating pad (25) is inserted into a gap between the sealing block (22) and the mounting cylinder (1), a pull-back electromagnetic plate (26) is fixedly connected to the outer wall of the sealing block (22), a pull-back permanent magnetic plate (27) is fixedly connected to the side wall of the compensating plate (24), and an insulating sleeve (28) is fixedly connected between the sealing block (22) and the compensating plate (24).
3. An inverter for underwater electromechanical equipment according to claim 1, characterized in that the cleaning and corrosion prevention mechanism (3) comprises a plurality of guide rods (31) symmetrically and fixedly connected to the outer wall of the supporting cylinder (12), a plurality of push springs (36) respectively sleeved outside the plurality of push rods (34) are symmetrically and slidingly sleeved outside the supporting cylinder (12), a cleaning frame (33) fixedly connected with the same sleeve outside the radiating fins (13) is arranged between the two reciprocating plates (32), a plurality of insertion holes are respectively formed in the front side and the back side of the cleaning frame (33), push rods (34) are movably sleeved in the corresponding insertion holes, one ends of the push rods (34) positioned on the same side are fixedly connected with the same brush plate (35), a plurality of push springs (36) respectively sleeved outside the plurality of push rods (34) are fixedly connected to the outer wall of the supporting cylinder (12), a plurality of reciprocating electromagnetic plates (37) corresponding to the positions of the reciprocating plates (32) are fixedly connected with one another, and the side wall of the reciprocating electromagnetic plates (37) are fixedly connected with the magnetic plates (37) and the magnetic plates (38) which are fixedly connected with the magnetic plates (38) which are arranged between the reciprocating cylinder (32).
4. The inverter for the underwater electromechanical device according to claim 2, wherein the power push-pull mechanism (4) comprises two first positioning ring plates (41) and second positioning ring plates (42) which are symmetrically and fixedly sleeved on outer walls of two ends of the mounting cylinder (1), two ends of the supporting cylinder (12) are fixedly connected with push-pull ring plates (43), side walls of the first positioning ring plates (41) are fixedly connected with a plurality of attraction force electromagnetic plates (44), side walls of one push-pull ring plate (43) are fixedly connected with a plurality of attraction force permanent magnet plates (45) corresponding to the positions of the attraction force electromagnetic plates (44), a plurality of third elastic sealing insulating rubber sleeves (46) sleeved outside the attraction force electromagnetic plates (44) and the attraction force permanent magnet plates (45) are fixedly connected between the first positioning ring plates (41) and the push-pull ring plates (43), and a plurality of reset springs (47) are fixedly connected between side walls of the second positioning ring plates (42) and the other push-pull ring plates (43).
5. An inverter for underwater electromechanical equipment according to claim 3, characterized in that the positive and negative power supply mechanism (5) comprises an insulating round shell (51) fixedly connected to the inner wall of the equipment shell (14), the inner wall of the insulating round shell (51) is symmetrically and fixedly connected with a positive electric connection plate (52) and a reverse electric connection plate (53), a rotating shaft (54) is rotatably connected to the middle position of the inner wall of the insulating round shell (51), an extension rod (55) is fixedly sleeved on the shaft wall of the rotating shaft (54), one end of the extension rod (55) is fixedly connected with a conductive block (56), a rotating motor (57) is fixedly arranged on the outer wall of the insulating round shell (51), the output end of the rotating motor (57) is fixedly connected with one end of the rotating shaft (54), and the positive electric connection plate (52), the reverse electric connection plate (53) and the conductive block (56) are connected to a power supply circuit of the reciprocating electromagnetic plate (37).
6. The inverter for underwater electromechanical equipment according to claim 5, wherein the water and salt content circulating detection mechanism (6) comprises a detection cylinder (61) fixedly connected to the inner wall of the equipment shell (14), a piston plate (62) is arranged in the detection cylinder (61) in a sealing sleeve, a plurality of stress rods (63) are fixedly connected to the upper end of the piston plate (62), the upper ends of the stress rods (63) penetrate through the upper end of the detection cylinder (61) and are fixedly connected with the same stress plate (64), the lower end of the stress plate (64) and the upper end of the detection cylinder (61) are fixedly connected with a plurality of pushing springs (65) sleeved outside the stress rods (63), a detection cam (66) positioned on the upper side of the stress plate (64) is fixedly sleeved on the shaft wall of the transmission shaft (16), a drain pipe (67) and a water supplementing pipe (68) are symmetrically fixedly connected to the outer wall of the lower end of the detection cylinder (61), one-way valves are arranged on the drain pipe (67) and the water supplementing pipe (68), and two electrodes (69) are electrically connected to the two electrodes (69) in series in a power supply mode.
7. The inverter for underwater electromechanical equipment according to claim 4, wherein the water temperature monitoring feedback mechanism (7) comprises a temperature sensing cylinder (71) fixedly connected to the outer wall of the equipment shell (14), a positive coefficient thermistor (72) is fixedly arranged in the temperature sensing cylinder (71), the positive coefficient thermistor (72) is electrically connected to a power supply circuit of the pull-back electromagnetic plate (26) and the suction electromagnetic plate (44), a plurality of jacks symmetrically arranged relative to the temperature sensing cylinder (71) are arranged on the side wall of the equipment shell (14), lifting rods (73) are movably sleeved in the corresponding jacks through sealing guide bearings, the upper ends of the lifting rods (73) are fixedly connected with the same wiping frame (74), the wiping frame (74) is fixedly connected with a wiping pad (75), the lower ends of the lifting rods (73) are fixedly connected with the same lifting plate (76), a plurality of cams (77) are fixedly connected between the upper ends of the lifting plates (76) and the inner wall of the equipment shell (14), the cams (78) are sleeved outside the lifting rods (73), the cams (78) are sleeved in the corresponding positions of the cams (8) and are fixedly sleeved with the corresponding cams (78), the rotating speed resistance feedback mechanism (8) is electrically connected to a power supply circuit of the positive and negative power supply mechanism (5).
8. The inverter for the underwater electromechanical device according to claim 7, wherein the rotating speed resistance feedback mechanism (8) comprises a resistance rod (81) fixedly connected in the cleaning cam (78), one end inner wall of the cleaning cam (78) is fixedly connected with a sliding block (83) through a traction spring (82), and one side of the sliding block (83) is fixedly connected with an elastic power receiving piece (84) in electrical contact with the resistance rod (81).
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| CN113410999A (en) * | 2021-07-23 | 2021-09-17 | 中海石油(中国)有限公司 | Underwater inverter |
| CN115175541A (en) * | 2022-08-11 | 2022-10-11 | 集美大学 | Heat dissipation optimization device for submarine data center |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4436843B2 (en) * | 2007-02-07 | 2010-03-24 | 株式会社日立製作所 | Power converter |
| NO337246B1 (en) * | 2014-06-11 | 2016-02-22 | Fmc Kongsberg Subsea As | Underwater cooling assembly |
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|---|---|---|---|---|
| CN109194151A (en) * | 2018-09-14 | 2019-01-11 | 沙迪克南通机电科技有限公司 | A kind of underwater electromechanical equipment inverter |
| CN109168304A (en) * | 2018-10-25 | 2019-01-08 | 海鹰企业集团有限责任公司 | A kind of underwater tubular electronic compartment radiator |
| CN213938734U (en) * | 2021-01-22 | 2021-08-10 | 伟卓石油科技(北京)有限公司 | Heat radiation structure of submarine communication equipment |
| CN113410999A (en) * | 2021-07-23 | 2021-09-17 | 中海石油(中国)有限公司 | Underwater inverter |
| CN115175541A (en) * | 2022-08-11 | 2022-10-11 | 集美大学 | Heat dissipation optimization device for submarine data center |
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