CN217198608U - Ship propulsion system - Google Patents
Ship propulsion system Download PDFInfo
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- CN217198608U CN217198608U CN202220961444.1U CN202220961444U CN217198608U CN 217198608 U CN217198608 U CN 217198608U CN 202220961444 U CN202220961444 U CN 202220961444U CN 217198608 U CN217198608 U CN 217198608U
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- propeller
- permanent magnet
- propulsion system
- generator
- magnet generator
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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
- Y02T70/00—Maritime or waterways transport
- Y02T70/50—Measures to reduce greenhouse gas emissions related to the propulsion system
- Y02T70/5218—Less carbon-intensive fuels, e.g. natural gas, biofuels
- Y02T70/5236—Renewable or hybrid-electric solutions
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- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
The utility model discloses a ship propulsion system, include: a permanent magnet generator; the engine is connected with the permanent magnet generator and is used for driving the permanent magnet generator; the generator controller is connected with the permanent magnet generator through a first frequency converter; a propeller; a propeller drive device connected to the generator controller and the propeller, respectively; and the control processing module is respectively connected with the generator controller and the propeller driving device. According to the technical scheme of the utility model, through permanent magnet generator drive propeller drive arrangement, by propeller drive arrangement direct drive propeller, need not devices such as gear box, accelerating device, decelerator, clutch, compare with traditional propulsion system, saved the operating space of boats and ships greatly, energy saving raises the efficiency.
Description
Technical Field
The utility model relates to a but not limited to boats and ships technical field especially relates to a ship propulsion system.
Background
The conventional ship propulsion systems mainly include diesel propulsion systems, steam turbine propulsion systems and gas turbine propulsion systems, and include gear boxes, accelerating devices, decelerating devices, clutches and the like, which occupy a large amount of space of the ship and limit the operable space of the ship.
SUMMERY OF THE UTILITY MODEL
The following is a summary of the subject matter described in detail herein. This summary is not intended to limit the scope of the claims.
The embodiment of the utility model provides a ship propulsion system can effectively save the operable space of boats and ships.
In a first aspect, an embodiment of the present invention provides a ship propulsion system, including:
a permanent magnet generator;
the engine is connected with the permanent magnet generator and is used for driving the permanent magnet generator;
the generator controller is connected with the permanent magnet generator through a first frequency converter;
a propeller;
a propeller drive device connected to the generator controller and the propeller, respectively;
and the control processing module is respectively connected with the generator controller and the propeller driving device.
According to the utility model discloses ship propulsion system of first aspect embodiment has following beneficial effect at least: the ship propulsion system of the embodiment of the application comprises: a permanent magnet generator; the engine is connected with the permanent magnet generator and is used for driving the permanent magnet generator; the generator controller is connected with the permanent magnet generator through a first frequency converter; a propeller; a propeller drive device connected to the generator controller and the propeller, respectively; and the control processing module is respectively connected with the generator controller and the propeller driving device. According to the technical scheme of the utility model, through permanent magnet generator drive propeller drive arrangement, by propeller drive arrangement direct drive propeller, need not devices such as gear box, accelerating device, decelerator, clutch, compare with propulsion systems such as traditional diesel oil propulsion system, steam turbine propulsion system, gas turbine propulsion system, saved the operating space of boats and ships greatly, the energy saving raises the efficiency.
According to some embodiments of the first aspect of the present invention, the propeller drive arrangement comprises:
the second frequency converter is respectively connected with the control processing module and the generator controller;
and the direct drive motor is respectively connected with the second frequency converter and the propeller.
According to some embodiments of the first aspect of the present invention, the direct drive motor is electrically connected to the permanent magnet generator.
According to some embodiments of the first aspect of the present invention, the marine propulsion system further comprises:
a rechargeable battery connected with the propeller drive;
the external power supply port is electrically connected with the rechargeable battery and is used for being connected with an external power supply.
According to some embodiments of the first aspect of the present invention, the rechargeable battery is electrically connected to the permanent magnet generator.
According to some embodiments of the first aspect of the present invention, the marine propulsion system further comprises:
the navigation data acquisition module is connected with the control processing module and is used for acquiring navigation data and sending the navigation data to the control processing module;
the control processing module is used for sending a driving signal to the propeller driving device according to the navigation data so as to enable the propeller driving device to drive the propeller.
According to some embodiments of the first aspect of the present invention, the navigation data comprises at least one of:
the navigation speed;
weather information;
ship position information.
According to the utility model discloses some embodiments of the first aspect, control processing module includes the navigation and reports an emergency and asks for help or increased vigilance the module, the navigation reports an emergency and asks for help or increased vigilance the module and is used for detecting that there is unusually the navigation data to output and report an emergency and ask for help or increased vigilance information.
According to some embodiments of the first aspect of the present invention, the engine is a liquefied natural gas engine.
According to the utility model discloses some embodiments of the first aspect, directly drive the motor and be permanent magnet synchronous motor.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the technical solutions of the present invention, and are incorporated in and constitute a part of this specification, together with the embodiments of the present invention for explaining the technical solutions of the present invention, and do not constitute a limitation on the technical solutions of the present invention.
Fig. 1 is a block schematic diagram of a marine propulsion system according to an embodiment of the present invention;
fig. 2 is a block schematic diagram of a marine propulsion system according to another embodiment of the present invention;
fig. 3 is a block diagram of a marine propulsion system according to another embodiment of the present invention.
Description of reference numerals:
a marine propulsion system 100; an engine 110; a permanent magnet generator 120; a first frequency converter 130; a generator controller 140; a propeller drive 150; a direct drive motor 151; a second frequency converter 152; a propeller 160; a control processing module 170; a navigation warning module 171; a rechargeable battery 180; an external power port 181; and a navigation data acquisition module 190.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, if there are first and second descriptions for distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.
An embodiment of the utility model provides a ship propulsion system, this ship propulsion system includes: a permanent magnet generator; the engine is connected with the permanent magnet generator and is used for driving the permanent magnet generator; the generator controller is connected with the permanent magnet generator through the first frequency converter; a propeller; the propeller driving device is respectively connected with the generator controller and the propeller; and the control processing module is respectively connected with the generator controller and the propeller driving device. According to the technical scheme of the utility model, through permanent magnet generator drive propeller drive arrangement, by propeller drive arrangement direct drive propeller, need not devices such as gear box, accelerating device, decelerator, clutch, compare with propulsion systems such as traditional diesel oil propulsion system, steam turbine propulsion system, gas turbine propulsion system, saved the operable space of boats and ships greatly, the energy saving raises the efficiency.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
The embodiments of the present invention will be further explained with reference to the drawings.
Referring to fig. 1, fig. 1 is a schematic block diagram of a ship propulsion system 100 according to an embodiment of the present invention, which provides a ship propulsion system 100, including:
a permanent magnet generator 120;
the engine 110, the engine 110 is connected with the permanent magnet generator 120, and the engine 110 is used for driving the permanent magnet generator 120;
a generator controller 140, wherein the generator controller 140 is connected with the permanent magnet generator 120 through the first frequency converter 130;
a propeller 160;
and a control processing module 170, wherein the control processing module 170 is respectively connected with the generator controller 140 and the propeller 160 driving device 150.
It is understood that the permanent magnet generator 120 refers to a power generation device that converts mechanical energy converted from thermal energy into electrical energy, the permanent magnet generator 120 generates electricity under the driving of the engine 110, so as to supply power to the generator controller 140, the control processing module 170 and the propeller 160 driving device 150, and the propeller 160 driving device 150 receives a driving command from the control processing module 170 to control and drive the propeller 160, so as to realize the driving of the ship.
It should be noted that the embodiment of the present application does not limit the specific model of the permanent magnet generator 120 and the generated power parameters, and those skilled in the art can select the model according to actual needs.
It should be noted that, the embodiment of the present application does not limit the specific structure of the propeller 160, and may be a propeller, and the embodiment of the present application also does not limit the number of the propellers 160, and a person skilled in the art may adjust the structure according to actual requirements, and as shown in fig. 2, the number of the propellers 160 is two, and when the propellers 160 are propellers, a vessel propelled by two propellers may turn around in situ by rotating one propeller forward and the other propeller backward.
It can be understood that the generator controller 140 is connected to the permanent magnet generator 120 through the first frequency converter 130, so as to drive the propeller 160 driving device 150 through the permanent magnet generator 120, because the frequency converter has low output efficiency, the propeller 160 can be directly driven by the propeller 160 driving device 150 without gear reduction, without a gear box, an accelerating device, a decelerating device and a clutch, without efficiency loss of the gear box, saving operation cost, and without oil leakage and abrasion risks such as the gear box, and the like, and the later maintenance is convenient.
It should be noted that, the embodiment of the present application does not limit the specific kind of the first frequency converter 130, and the first frequency converter may be a dc frequency converter, an ac voltage type frequency converter, an ac current type frequency converter, and the like, and those skilled in the art can select the frequency converter according to actual needs.
It should be noted that, in the embodiment of the present application, the connection manner between the generator controller 140 and the driving device 150 of the propeller 160 is not limited, and the electrical connection may be implemented by using a dc grid-connected technology, so that the permanent magnet generator 120 can provide electric energy to the direct drive motor 151 at any rotation speed.
It should be noted that, in the embodiment of the present application, the use manner of the ship propulsion system 100 is not limited, and the propulsion operation may be realized by one ship propulsion system 100 alone, or by integrating a plurality of ship propulsion systems 100 in parallel to a ship to propel the ship, which may be selected by a person skilled in the art according to actual situations.
Referring to fig. 1 and 2, the pusher 160 driving means 150 includes:
the second frequency converter 152, the second frequency converter 152 is respectively connected with the control processing module 170 and the generator controller 140;
and a direct drive motor 151, wherein the direct drive motor 151 is respectively connected with the second frequency converter 152 and the propeller 160.
It should be noted that, with reference to the above embodiments, the embodiments of the present application do not limit the specific kind of the second frequency converter 152, and may be a dc frequency converter, an ac voltage frequency converter, an ac current frequency converter, etc., and those skilled in the art can select the frequency converter according to actual needs.
It should be noted that, referring to fig. 1, the direct drive motor 151 may also be electrically connected to the permanent magnet generator, so as to directly supply the direct drive motor 151 to the permanent magnet generator 120.
It should be noted that, the embodiment of the present application does not limit the specific type of the direct drive motor 151, and the direct drive motor may be a direct drive motor or a permanent magnet synchronous motor, and those skilled in the art can select the direct drive motor according to actual requirements.
It should be noted that, in the embodiment of the present application, the specific number of the generator controllers 140 connected to the driving device 150 of the propeller 160, the specific number of the permanent magnet generators 120 connected to the generator controller 140, the specific number of the engines 110, and the specific number of the direct drive motors 151 are not limited, and the reduction amount of the generator controller 140 connected to the direct drive motors 151 is not limited, and the module connection manner and the number configuration of the modules shown in fig. 2 may be specifically determined according to the actual demand and the size of the ship hull, and the permanent magnet generators 120 are controlled in parallel, and the working number of the permanent magnet generators 120 and the direct drive motors 151 may be determined according to the actual use situation. For example, the ship propulsion system 100 is provided with four permanent magnet generators 120 and six direct drive motors 151, two permanent magnet generators 120 and four direct drive motors 151 are turned off at cruising speed and when entering a port, and all the permanent magnet generators 120 and the direct drive motors 151 can be simultaneously started when the ship is in high-speed forward or full-load operation and needs large horsepower propulsion, so that the flexibility of the ship is improved, and energy is greatly saved.
It can be understood that, when the conventional ship propulsion system 100 enters a port, it is often to use a set of actions of decelerating to neutral and then reversing, so as to control the speed of the ship, which is very disadvantageous to the engine 110 and the transmission system, the ship propulsion system 100 of this embodiment can operate at a low speed, even as low as several revolutions per minute, on the premise of ensuring the torque, an operator only needs to operate the control handle, and give a corresponding analog quantity to the first frequency converter 130, and the first frequency converter 130 quickly responds the analog quantity to the direct drive motor 151, so that it is very easy no matter the operator wants to quickly change the traveling speed or reverse in any occasion.
Referring to fig. 3, the ship propulsion system 100 of the embodiment of the present application further includes:
a rechargeable battery 180, the rechargeable battery 180 being connected to the propeller 160 driving means 150;
the external power supply port 181, the external power supply port 181 is electrically connected with the rechargeable battery 180, and the external power supply port 181 is used for connecting an external power supply.
It can be understood that, since the rechargeable battery 180 is connected to the external power port 181, when the external power port 181 is connected to an external power source, the rechargeable battery 180 can be charged, and the rechargeable battery 180 is added to the driving device 150 of the propeller 160 as a power supply, so that the driving device 160 can be driven to operate with super-power propulsion by the high discharge multiple of the rechargeable battery 180, and can quickly drive away in case of emergency; after the power battery realizes the electricity plugging and charging to the bank, the running cost of the ship is reduced; if the ship is in a stopped state and has low power, the engine does not need to be started, and the battery directly takes electricity, so that the energy is greatly saved; when the ship needs to sail quietly, the ship can sail by only using the energy provided by the battery; it will be appreciated that, as the marine propulsion system 100 is applied to a marine vessel, the rechargeable battery may supply power to auxiliary electrical appliances throughout the vessel in addition to the propeller drive 150.
It can be understood that the embodiment of the present application does not limit the specific battery type of the rechargeable battery 180, and the rechargeable battery may be a lithium iron phosphate battery, which is resistant to high temperature, high in safety, and long in service life, and can effectively reduce the maintenance cost of the ship propulsion system 100 and better maintain the safety of the ship propulsion system 100; the battery can also be an energy storage ion battery, a nickel-metal hydride battery and the like, and the skilled person can select the battery according to actual requirements.
Referring to fig. 1, the rechargeable battery 180 is electrically connected to the permanent magnet generator 120, and it can be understood that the rechargeable battery 180 electrically connected to the permanent magnet generator 120 can be charged by the permanent magnet generator 120, providing more power supply for the rechargeable battery 180.
Referring to fig. 1, the ship propulsion system 100 of the embodiment of the present application further includes:
the navigation data acquisition module 190 is connected with the control processing module 170, and the navigation data acquisition module 190 is used for acquiring navigation data and sending the navigation data to the control processing module 170;
wherein, control processing module 170 is used for sending a driving signal to driving device 150 of thruster 160 according to the navigation data, so that driving device 150 of thruster 160 drives thruster 160.
In one embodiment, the navigation data includes at least one of:
the navigation speed;
weather information;
ship position information.
It can be understood that the navigation data acquisition module 190 can enable a ship operator to better judge the current running condition of the ship according to the navigation data by acquiring the navigation data such as navigation speed, weather information, ship position information and the like, and more accurately issue a driving instruction through the controller, so as to control the propeller 160 to realize safe navigation; or after receiving the navigation data, the controller may automatically select an appropriate navigation strategy to generate a driving command according to a preset rule, and send the driving command to the driving device 150 of the propeller 160 to control the propeller 160 to navigate. It should be noted that this example is only for illustrating the operations that the hardware structure can implement, and is not a method improvement.
Referring to FIG. 1, in one embodiment, the control processing module 170 includes a voyage alert module 171, and the voyage alert module 171 is configured to detect the presence of abnormal voyage data and output alert information.
It can be understood that the control processing module 170 is provided with a navigation warning module 171, which can monitor the navigation data acquired by the navigation data acquiring module 190 in real time, and can send warning information in time when the navigation data is abnormal, such as too fast navigation speed, position yaw, etc., so that a ship operator can adjust the navigation track of the ship in time to ensure safe driving of the ship. It should be noted that this example is only for illustrating the operations that the hardware structure can implement, and is not a method improvement.
In one embodiment of the present application, engine 110 is a liquefied natural gas engine.
It can be understood that the liquefied natural gas engine has the advantages of high octane number, good anti-knock performance, long service life of the engine, low fuel cost, good environmental protection performance and the like, thereby reducing the maintenance cost.
It should be noted that the embodiment of the present application is not limited to a specific type of the engine 110, and may also be a diesel engine, a gasoline engine, etc., and those skilled in the art can select the engine according to actual needs.
In an embodiment of the present application, the direct drive motor 151 is a permanent magnet synchronous motor.
It should be noted that, in the embodiment of the present application, specific types of the direct drive motor 151 are not limited, and the direct drive motor may also be a direct drive motor, an asynchronous motor, and the like, which can be selected by a person skilled in the art according to actual needs.
It can be understood that the permanent magnet synchronous motor has simple structure, small volume, light weight, low loss and high efficiency, and compared with a direct current motor, the permanent magnet synchronous motor has no defects of a commutator, a brush and the like of the direct current motor. Compared with asynchronous motor, it has no need of reactive exciting current, so that it has high efficiency, high power factor, large moment-inertia ratio, low loss of stator current and stator resistance, measurable rotor parameter and good control performance, and can well drive propeller 160.
While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention defined by the appended claims.
Claims (10)
1. A marine propulsion system, comprising:
a permanent magnet generator;
the engine is connected with the permanent magnet generator and is used for driving the permanent magnet generator;
the generator controller is connected with the permanent magnet generator through a first frequency converter;
a propeller;
a propeller drive device connected to the generator controller and the propeller, respectively;
and the control processing module is respectively connected with the generator controller and the propeller driving device.
2. Marine propulsion system according to claim 1, characterised in that the propeller drive comprises:
the second frequency converter is respectively connected with the control processing module and the generator controller;
and the direct drive motor is respectively connected with the second frequency converter and the propeller.
3. The marine propulsion system of claim 2, wherein the direct drive motor is electrically connected to the permanent magnet generator.
4. The marine propulsion system of claim 1, further comprising:
a rechargeable battery connected with the propeller drive;
the external power supply port is electrically connected with the rechargeable battery and is used for being connected with an external power supply.
5. The marine propulsion system of claim 4, wherein the rechargeable battery is electrically connected to the permanent magnet generator.
6. The marine propulsion system of claim 1, further comprising:
the navigation data acquisition module is connected with the control processing module and is used for acquiring navigation data and sending the navigation data to the control processing module;
the control processing module is used for sending a driving signal to the propeller driving device according to the navigation data so as to enable the propeller driving device to drive the propeller.
7. Marine propulsion system according to claim 6, characterised in that the voyage data comprises at least one of:
the navigation speed;
weather information;
ship position information.
8. The ship propulsion system of claim 6, wherein the control processing module comprises a voyage warning module for detecting the voyage data in which an abnormality exists and outputting warning information.
9. Marine propulsion system according to claim 1, characterised in that the engine is a liquefied natural gas engine.
10. A marine propulsion system according to claim 2, characterised in that the direct drive motor is a permanent magnet synchronous motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220961444.1U CN217198608U (en) | 2022-04-24 | 2022-04-24 | Ship propulsion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220961444.1U CN217198608U (en) | 2022-04-24 | 2022-04-24 | Ship propulsion system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217198608U true CN217198608U (en) | 2022-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220961444.1U Active CN217198608U (en) | 2022-04-24 | 2022-04-24 | Ship propulsion system |
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|---|---|
| CN (1) | CN217198608U (en) |
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- 2022-04-24 CN CN202220961444.1U patent/CN217198608U/en active Active
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