Underwater motor pushing device with controller

Abstract

The utility model relates to the technical field of ship propulsion, in particular to an underwater motor pushing device with a controller, which comprises a motor pushing device body, the motor pushing device body comprises a shell integrally designed into a cylindrical structure, and a mounting seat is fixedly mounted at the front end of the shell. A motor controller is arranged on the inner end surface of the mounting seat in the shell; a radiator is mounted on the outer end surface of the mounting seat; the outer end cover of the mounting base is provided with a water diversion flow guide cover which is integrally designed to be of a hemispherical shell structure, a cooling circulation space is formed between the interior of the water diversion flow guide cover and the radiator, and a water inlet hole is formed in the water diversion flow guide cover. The motor has the advantages of being more convenient to disassemble, assemble and maintain, and capable of improving cooling efficiency and driving power.

Description

Technical Field

[0001] The utility model relates to the technical field of ship propulsion, in particular to an underwater motor propulsion device with a controller. Background Art

[0002] The motor propeller is installed at the bow or stern of the ship, and the underwater motor propeller with a controller drives the ship underwater. The motor controller of the conventional motor propeller is generally set at the head of the motor propeller, relying on air cooling for heat dissipation. The disadvantages are low driving power, long-term instability, and relatively low reliability and life. In addition, it is inconvenient to disassemble and assemble the controller and composite shaft on the motor propeller, and maintenance is inconvenient. Utility Model Content

[0003] In view of the above-mentioned defects of the prior art, the technical problem to be solved by the present invention is how to design an underwater motor propulsion device with a controller which has a simpler and more reasonable structural design, is more convenient for disassembly and maintenance, and can improve cooling efficiency and driving power.

[0004] To achieve the above-mentioned purpose, the utility model provides an underwater motor propulsion device with a controller, including a motor propulsion device body, the motor propulsion device body including an outer shell with an overall cylindrical structure design, a mounting seat fixedly installed at the front end of the outer shell, and a motor controller installed and arranged on the inner end surface of the mounting seat inside the outer shell; it is characterized in that: a radiator is installed on the outer end surface of the mounting seat; a water diversion guide cover with an overall hemispherical shell structure design is connected to the outer end cover of the mounting seat, and a cooling circulation space is formed between the inside of the water diversion guide cover and the radiator, and a water inlet hole is arranged on the water diversion guide cover.

[0005] In this way, in the above-mentioned underwater motor propulsion device with controller, the motor controller and the motor at the rear end of the shell are arranged at the same horizontal position, and the distance between the two is closer, which is more convenient for the arrangement and connection of the wiring harness. In addition, by setting a radiator, a cooling circulation space is formed between the radiator and the water guide cover, and then a water inlet hole is set, and heat is dissipated by direct contact with water, the controllable power is increased, the operation is stable, the reliability and life are effectively improved, the motor drive efficiency is high, the overall propulsion efficiency of the motor propulsion device can be improved, and energy loss can be reduced.

[0006] As an optimization, the center position of the inner bottom surface of the water diversion shroud is drawn outward as a whole so that the water diversion shroud is set in a bullet shape as a whole.

[0007] In this way, the structural design of the water diversion and deflection cover is more reasonable, which can effectively improve the flow field distribution of the flow, so that the water flow can flow more stably and evenly, reduce water resistance, thereby reducing energy loss and improving water flow efficiency. A water inlet hole is set on the water-facing surface, and the water flows into the cover and flows to the heat sink of the motor controller mounting seat for heat dissipation of the motor controller.

[0008] As an optimization, the mounting seat has a circle of matching sleeves that protrude backwards and are inserted into the interior of the housing, and two mounting ring grooves are provided on the matching sleeve at intervals, and a sealing O-ring is provided in the mounting ring groove.

[0009] In this way, the installation between the mounting seat and the housing is more convenient, and a better seal can be formed.

[0010] As an optimization, the radiator includes a plurality of heat dissipating fins integrally formed on the outer end surface of the mounting base; fixing holes are respectively provided on both sides of the open end of the water guide cover, fixing screws are provided in the fixing holes, and two pairs of fixing screws are respectively threadedly connected correspondingly on the two outermost heat dissipating fins at the outer end of the heat dissipating base.

[0011] In this way, by integrally forming the heat dissipation fins on the mounting base, the heat dissipation efficiency can be improved, and the installation and fixation of the water guide cover can be more convenient.

[0012] As an optimization, sacrificial anodes are respectively installed on both sides of a middle heat dissipation fin plate by connecting screws.

[0013] In this way, the installation and arrangement of the sacrificial anode is more convenient.

[0014] As an optimization, two pairs of water inlet holes are arranged at intervals on the upper side of the front end of the water guide cover; and two circulating water outlet holes are arranged in pairs on the lower side of the open end of the water guide cover.

[0015] In this way, the arrangement of the water inlet holes and the circulating water outlet holes is more reasonable.

[0016] As an optimization, a fin wing inclined toward the lower rear side is integrally formed at the lower middle part of the shell.

[0017] In this way, the fins provided can serve the purpose of protecting the rear propeller.

[0018] As an optimization, a support plate is arranged inside the shell and spaced apart from the rear side of the motor controller; a motor stator is arranged on the rear side of the support plate, a motor rotor is arranged inside the motor stator, and a motor end cover is arranged at the rear end of the shell, and both ends of the motor rotor are respectively mounted on the support plate and the motor end cover; and the motor rotor has a rotating shaft extending from the motor end cover to the outside and is installed with a propeller.

[0019] In this way, the overall structural design and layout are simpler and more reasonable, and can be more convenient for installation and layout.

[0020] As an optimization, an upwardly protruding mounting cylinder is provided on the upper side of the shell and between the support plate and the motor controller; a composite shaft mounting flange is installed in the mounting cylinder, and a mounting flange sealing O-ring is provided between the mounting cylinder and the composite shaft mounting flange; a cable sealing joint is provided inside the lower end of the composite shaft mounting flange; a hollow composite shaft is plugged and installed at the upper end of the composite shaft mounting flange, and the control cable of the motor controller passes through the cable sealing joint and out of the composite shaft to the outside.

[0021] In this way, the composite shaft is a high-strength composite hollow tube, which passes through the power cable and control cable from the top and enters the motor housing to connect with the controller to control the operation of the motor. The steering and throttle control devices can be connected to it to realize the function and use of the motor propeller.

[0022] In summary, the above-mentioned underwater motor propulsion device with controller has the characteristics of simpler and more reasonable structural design, more convenient disassembly and maintenance, and improved cooling efficiency and driving power. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of an underwater motor propulsion device with a controller in a specific implementation manner of the utility model.

[0024] Figure 2 yes Figure 1 Left view of .

[0025] Figure 3 yes Figure 2 AA cross-sectional view of .

[0026] Figure 4 yes Figure 1 Schematic diagram of the structure after rotation by an angle.

[0027] Figure 5 yes Figure 1 Schematic diagram of the structure of the water diversion guide cover part.

[0028] Figure 6 yes Figure 1 Schematic diagram of the motor controller in .

[0029] Figure 7 yes Figure 1 Schematic diagram of the decomposition structure. DETAILED DESCRIPTION

[0030] The present invention is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific manner, and therefore cannot be understood as a limitation on the present invention. The terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0031] like Figures 1 to 7 The invention discloses an underwater motor propulsion device with a controller, comprising a motor propulsion device body, wherein the motor propulsion device body comprises an outer shell 1 with an overall cylindrical structure design, a mounting seat 2 is fixedly installed at the front end of the outer shell, a motor controller 3 is installed and arranged on the inner end surface of the mounting seat inside the outer shell; a radiator 4 is installed on the outer end surface of the mounting seat; a water diversion guide cover 5 with an overall hemispherical shell structure design is connected to the outer end cover of the mounting seat, a cooling circulation space 6 is formed between the inside of the water diversion guide cover and the radiator, and a water inlet hole 7 is arranged on the water diversion guide cover.

[0032] In this way, in the above-mentioned underwater motor propulsion device with controller, the motor controller and the motor at the rear end of the shell are arranged at the same horizontal position, and the distance between the two is closer, which is more convenient for the arrangement and connection of the wiring harness. In addition, by setting a radiator, a cooling circulation space is formed between the radiator and the water guide cover, and then a water inlet hole is set, and heat is dissipated by direct contact with water, the controllable power is increased, the operation is stable, the reliability and life are effectively improved, the motor drive efficiency is high, the overall propulsion efficiency of the motor propulsion device can be improved, and energy loss can be reduced.

[0033] In this specific implementation manner, the center position of the inner bottom surface of the water diversion and fairing is drawn outward as a whole so that the water diversion and fairing is arranged in a bullet-shaped shape as a whole.

[0034] In this way, the structural design of the water diversion and deflection cover is more reasonable, which can effectively improve the flow field distribution of the flow, so that the water flow can flow more stably and evenly, reduce water resistance, thereby reducing energy loss and improving water flow efficiency. A water inlet hole is set on the water-facing surface, and the water flows into the cover and flows to the heat sink of the motor controller mounting seat for heat dissipation of the motor controller.

[0035] In this specific embodiment, the mounting seat has a circle of matching sleeve 8 that protrudes backward and is inserted into the interior of the housing. The matching sleeve is provided with two mounting ring grooves at intervals, and a sealing O-ring 9 is provided in the mounting ring grooves.

[0036] In this way, the installation between the mounting seat and the housing is more convenient, and a better seal can be formed.

[0037] In this specific embodiment, the radiator includes a plurality of heat dissipation fins 10 integrally formed and arranged on the outer end surface of the mounting base; fixing holes are respectively provided on both sides of the open end of the water guide cover, and fixing screws are provided in the fixing holes, and the two pairs of fixing screws are respectively threadedly connected and arranged on the two outermost heat dissipation fins at the outer end of the heat dissipation base.

[0038] In this way, by integrally forming the heat dissipation fins on the mounting base, the heat dissipation efficiency can be improved, and the installation and fixation of the water guide cover can be more convenient.

[0039] In this specific embodiment, sacrificial anodes 11 are respectively installed on both sides of a central heat dissipation fin plate by connecting screws.

[0040] In this way, the installation and arrangement of the sacrificial anode is more convenient.

[0041] In this specific embodiment, two pairs of water inlet holes are arranged at intervals on the upper side of the front end of the water guide shield; and two circulating water outlet holes 12 are arranged in pairs on the lower side of the open end of the water guide shield.

[0042] In this way, the arrangement of the water inlet holes and the circulating water outlet holes is more reasonable.

[0043] In this specific embodiment, a fin 13 is integrally formed at the lower middle portion of the housing and is tilted toward the rear and lower side.

[0044] In this way, the fins provided can serve the purpose of protecting the rear propeller.

[0045] In this specific embodiment, a support plate 14 is provided inside the shell and spaced apart from the rear side of the motor controller; a motor stator 15 is provided on the rear side of the support plate, a motor rotor 16 is provided inside the motor stator, and a motor end cover 17 is provided at the rear end of the shell, and both ends of the motor rotor are respectively mounted on the support plate and the motor end cover; and the motor rotor has a rotating shaft extending from the motor end cover to the outside and is installed with a propeller 18.

[0046] In this way, the overall structural design and layout are simpler and more reasonable, and can be more convenient for installation and layout.

[0047] In this specific embodiment, an upwardly protruding mounting cylinder 19 is provided on the upper side of the shell and between the support plate and the motor controller; a composite shaft mounting flange 20 is installed in the mounting cylinder, and a mounting flange sealing O-ring is provided between the mounting cylinder and the composite shaft mounting flange; a cable sealing joint 21 is provided inside the lower end of the composite shaft mounting flange; a hollow composite shaft 22 is plugged and installed at the upper end of the composite shaft mounting flange, so that the control cable of the motor controller passes through the cable sealing joint and out of the composite shaft to the outside.

[0048] In this way, the composite shaft is a high-strength composite hollow tube, which passes through the power cable and control cable from the top and enters the motor housing to connect with the controller to control the operation of the motor. The steering and throttle control devices can be connected to it to realize the function and use of the motor propeller.

[0049] In summary, the above-mentioned underwater motor propulsion device with controller has the characteristics of simpler and more reasonable structural design, more convenient disassembly and maintenance, and improved cooling efficiency and driving power.

[0050] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. An underwater motor propulsion device with a controller, comprising a motor propulsion device body, the motor propulsion device body comprising a shell with an overall cylindrical structure design, a mounting seat fixedly mounted at the front end of the shell, and a motor controller mounted and arranged on the inner end surface of the mounting seat inside the shell; characterized in that; A radiator is installed on the outer end surface of the mounting seat; a water guide hood with an overall hemispherical shell structure is connected to the outer end cover of the mounting seat, and a cooling circulation space is formed between the inside of the water guide hood and the radiator, and a water inlet hole is arranged on the water guide hood.

2. An underwater motor propulsion device with a controller as claimed in claim 1, characterized in that: The center position of the inner bottom surface of the water diversion guide cover is drawn outward as a whole so that the water diversion guide cover is arranged in a bullet head shape as a whole.

3. An underwater motor propulsion device with a controller as claimed in claim 1, characterized in that: The mounting seat has a matching sleeve which is protruding backwards and inserted into the shell. The matching sleeve is provided with two mounting ring grooves at intervals, and a sealing O-ring is arranged in the mounting ring groove.

4. An underwater motor propulsion device with a controller as claimed in claim 1, characterized in that: The radiator includes a plurality of heat dissipation fins integrally formed and arranged on the outer end surface of the mounting base; fixing holes are respectively provided on both sides of the open end of the water guide cover, fixing screws are arranged in the fixing holes, and two pairs of fixing screws are respectively threadedly connected to the two outermost heat dissipation fins at the outer end of the heat dissipation base.

5. An underwater motor propulsion device with a controller as claimed in claim 4, characterized in that: Sacrificial anodes are respectively installed on both sides of a central heat dissipation fin plate through connecting screws.

6. An underwater motor propulsion device with a controller as claimed in claim 1, characterized in that: Two pairs of water inlet holes are arranged at intervals on the upper side of the front end of the water guide cover; two circulating water outlet holes are arranged in pairs on the lower side of the open end of the water guide cover.

7. An underwater motor propulsion device with a controller as claimed in claim 1, characterized in that: A fin wing is integrally formed at the lower middle portion of the shell and is arranged obliquely toward the rear and lower side.

8. An underwater motor propulsion device with a controller as claimed in claim 1, characterized in that: A support plate is arranged inside the shell and spaced apart from the rear side of the motor controller; a motor stator is arranged on the rear side of the support plate, a motor rotor is arranged inside the motor stator, and a motor end cover is arranged at the rear end of the shell, and both ends of the motor rotor are respectively mounted on the support plate and the motor end cover; and the motor rotor has a rotating shaft extending from the motor end cover to the outside and is installed with a propeller.

9. An underwater motor propulsion device with a controller as claimed in claim 8, characterized in that: An upwardly protruding mounting tube is provided on the upper side of the shell and between the support plate and the motor controller; a composite shaft mounting flange is installed in the mounting tube, and a mounting flange sealing O-ring is provided between the mounting tube and the composite shaft mounting flange; a cable sealing joint is provided inside the lower end of the composite shaft mounting flange; a hollow composite shaft is plugged and installed at the upper end of the composite shaft mounting flange, so that the control cable of the motor controller passes through the cable sealing joint and out of the composite shaft to the outside.

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