CN110868051A - Integrated electric energy conversion device for ships - Google Patents
Integrated electric energy conversion device for ships Download PDFInfo
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- CN110868051A CN110868051A CN201911174018.2A CN201911174018A CN110868051A CN 110868051 A CN110868051 A CN 110868051A CN 201911174018 A CN201911174018 A CN 201911174018A CN 110868051 A CN110868051 A CN 110868051A
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- electric energy
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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
- H02M1/00—Details of apparatus for conversion
- H02M1/10—Arrangements incorporating converting means for enabling loads to be operated at will from different kinds of power supplies, e.g. from ac or dc
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Abstract
The invention provides a ship integrated electric energy conversion device, which comprises an input port, a first electric energy conversion module, an internal power bus, a second electric energy conversion module, an output port, a short circuit and overload protection module, an alarm device, a network interface and an input module which are connected in sequence; the invention realizes the electric system conversion function of the complex area of the ship by arranging the standardized and modularized electric energy conversion interface; the invention realizes reasonable distribution and shared use of electric energy by converting and accessing power supplies, electric equipment, energy storage devices and the like with different electric systems; the invention breaks through the electric power barrier of electric energy and solves the problem of integrated design of devices for various electric power conversion and interconnection of multi-path power supplies and multi-path equipment.
Description
Technical Field
The invention belongs to the technical field of ship power distribution and electric energy conversion, and particularly relates to a ship integrated electric energy conversion device.
Background
In the current ship electric power system, electric equipment in a local complex area is large in quantity and various in variety, the requirements for power supplies are different, and some equipment needs to comprise alternating current power supply interfaces of AC380V, AC220V and the like and also comprise a medium-frequency alternating current power supply; some devices require a DC power interface including DC220V, DC24V, etc.; the power supplies and the electric equipment of different electric systems can not be directly connected, if the power supply input corresponding to the electric system does not exist, proper special electric system conversion equipment is selected according to the requirements and the characteristics of the electric equipment to be converted and then can be used, namely, the electric system barrier problem exists in the connection of the multi-electric system power supplies and the equipment of the ship.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the ship integrated electric energy conversion device is used for realizing an electric system conversion function of a complex area of a ship.
The technical scheme adopted by the invention for solving the technical problems is as follows: a ship integrated electric energy conversion device comprises an input port, a first electric energy conversion module, an internal power bus, a second electric energy conversion module and an output port which are connected in sequence; the input port is used for connecting an external power supply, inputting the external power supply to the first electric energy conversion module and controlling the first electric energy conversion module; the first electric energy conversion module is used for converting a power system and inputting the power system to an internal power bus; the internal power bus is used for filtering interference and outputting electric energy to the second electric energy conversion module; the second electric energy conversion module is used for converting electric energy and outputting the electric energy to an output port; the output port is used for connecting the electric equipment, outputting the converted power supply to the electric equipment and controlling the second electric energy conversion module; the input port and the output port respectively comprise a sensor and a wiring device, the sensor is used for acquiring device operation signals, and the wiring device is used for being connected with an external power supply or external equipment; the first electric energy conversion module and the second electric energy conversion module respectively comprise a port converter, a digital controller and a cooperative controller; the port converter is used for voltage conversion, the digital controller is used for driving the port converter, controlling current and voltage waveforms and suppressing interference among the ports, and the cooperative controller is used for giving a reference signal of input and output power of the ports and coordinating power flow of the ports.
According to the scheme, the device further comprises a short circuit and overload protection module, wherein the short circuit and overload protection module is used for stopping the operation of the device under the conditions of short circuit and/or overload, and protecting the safety of the device and electric equipment.
According to the scheme, the device further comprises an alarm device, wherein the signal input end of the alarm device is respectively connected with the signal output ends of the input port and the output port, and the alarm device is used for performing sound-light alarm prompt and manual elimination alarm prompt on faults including voltage low, overvoltage, overcurrent, module faults and insulation low resistance.
And the wired signal transceiving end of the network interface is connected with the signal transceiving end of the input port and the signal transceiving end of the output port respectively, and is used for receiving an instruction of the upper computer in a wireless communication mode and transmitting operation data and an alarm signal to the upper computer.
According to the scheme, the device further comprises an input module, wherein the signal output end of the input module is respectively connected with the signal receiving ends of the input port and the output port and used for receiving the operation instruction input by an operator.
According to the scheme, the power supply electric system of the input port comprises alternating current 690V, direct current 1000V, alternating current 380V, alternating current 220V, direct current 220V and direct current 24V.
According to the scheme, the power supply electric system of the output port comprises alternating current 690V, direct current 1000V, alternating current 380V, alternating current 220V, direct current 220V and direct current 24V.
According to the scheme, the first electric energy conversion module comprises an AC/DC converter, a DC/DC direct current transformer, a DC/DC converter, a DC/DC bidirectional converter and a DC/AC converter.
According to the scheme, the second electric energy conversion module comprises an AC/DC converter, a DC/DC direct current transformer, a DC/DC converter, a DC/DC bidirectional converter and a DC/AC converter.
The invention has the beneficial effects that:
1. the ship integrated electric energy conversion device provided by the invention realizes the electric system conversion function of a ship complex area by arranging a standardized and modularized electric energy conversion interface.
2. The invention realizes reasonable distribution and shared use of electric energy by converting and connecting power supplies, electric equipment, energy storage devices and the like with different electric systems.
3. The invention breaks the electric barrier of using electric energy, solves the integration problem of devices of various electric system conversion and interconnection of a multi-path power supply and multi-path equipment, reduces the occupied space and weight of the devices and reduces the manufacturing cost.
4. The invention is convenient to obtain the state, energy flow and operation history information of each port, can effectively control and protect the ports, and enhances the redundancy and reliability of the operation of the device.
Drawings
FIG. 1 is a functional block diagram of an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, an embodiment of the present invention includes an AC690V port 1, a DC1000V port 2, an AC380V port 3, an AC220V port 4, a DC220V port 5, a DC24V port 6, an AC/DC converter, a DC/DC direct current transformer, a DC/DC converter, a DC/DC bidirectional converter, a DC/AC converter, an internal power bus, and short circuit and overload protection modules, alarm devices, network interfaces, and input modules; the first power input loop is an external AC690V power supply, an AC690V port 1, an AC/DC converter, a DC/DC direct-current transformer and an internal power bus which are connected in sequence, and the AC690V port 1 is used for controlling the AC/DC converter and the DC/DC direct-current transformer; the second power input loop is an external DC1000V power supply, a DC1000V port 2, a DC/DC direct-current transformer and an internal power bus which are sequentially connected, and the DC1000V port 2 is used for controlling the DC/DC direct-current transformer; the first path of power output loop is an internal power bus, a DC/AC converter, an AC380V port 3 and AC380V/50Hz electric equipment which are connected in sequence, and the AC380V port 3 is used for controlling the DC/AC converter; the second power output loop is an internal power bus, a DC/AC converter, an AC220V port 4 and AC220V/50Hz electric equipment which are connected in sequence, and the AC220V port 4 is used for controlling the DC/AC converter; the third power output loop is an internal power bus, a DC/DC converter, a DC220V port 5 and a DC220V electric device which are connected in sequence, and the DC220V port 5 is used for controlling the DC/DC converter; the fourth power output loop is an internal power bus, a DC/DC bidirectional converter, a DC24V port 6 and DC24V electric equipment which are connected in sequence, and the DC24V port 6 is used for controlling the DC/DC bidirectional converter.
The AC/DC alternating current interface and the DC/DC direct current interface jointly support the direct current bus voltage and form an energy local area network direct current line. And the DC/DC bidirectional direct current interface is connected to the energy storage unit to realize the charging and discharging of the energy storage unit. The AC line is formed by connecting the electric equipment through the DC/AC output interface in consideration of the AC load and the AC energy storage of the device.
AC690V port 1, DC1000V port 2, AC380V port 3, AC220V port 4, DC220V port 5, and DC24V port 6 include sensors and wiring devices, respectively; the sensor is used for acquiring the operation signal of the device; the wiring device is used for being connected with an external power supply or external equipment. The port is in a modular design and can be expanded, a port converter and a wiring device are integrated into a replaceable module, and a proper module is selected according to task requirements to be connected with an internal power bus; the device is provided with an expansion interface, and port expansion can be carried out through an internal power bus, so that the requirement of an additional external port is met.
The AC/DC converter, the DC/DC direct-current transformer, the DC/DC converter, the DC/DC bidirectional converter and the DC/AC converter can be used for converting power, inputting the power into an internal power bus or converting the power and outputting the power to an output port; the AC/DC converter, the DC/DC direct current transformer, the DC/DC converter, the DC/DC bidirectional converter and the DC/AC converter are standardized electric energy conversion modules which are configured according to the electric energy interface form of ships and different equipment power requirements and have wide working ranges, can be replaced and expanded according to different power requirements and have various electric energy compatible access functions. The AC/DC converter, the DC/DC direct current transformer, the DC/DC converter, the DC/DC bidirectional converter and the DC/AC converter respectively comprise a digital controller, a cooperative controller and a port converter; the digital controller is used for driving a power device of the port converter, controlling current and voltage waveforms, controlling stability and inhibiting interference among ports, realizing the distribution of port power as required and achieving the aim of tracking a power reference signal; the cooperative controller is used for giving a reference signal of the input and output power of the port and coordinating the power flow of each port; the port converter is used for voltage conversion, the port converter adopts a digital signal control panel to control the on-off and conversion of power electronic power components, power transmission control is realized, and simultaneously, collected and calculated digital signals including port states, energy flow, historical information and the like are transmitted to a monitoring device and a storage device of an upper computer through a network interface, so that the digitization and the informatization of the device are realized.
The internal power bus is used for filtering partial disturbance of a single port and outputting the electric energy to the second electric energy conversion module, and the quality of the output power supply is improved.
The short circuit and overload protection module is used for stopping the operation of the device under the conditions of short circuit and/or overload, and protecting the safety of the device and electric equipment; the signal input end of the alarm device is respectively connected with the signal output ends of the input port and the output port, and the alarm device is used for performing sound-light alarm prompt and manual elimination alarm prompt on faults including voltage low, overvoltage, overcurrent, module fault and insulation low resistance.
The wired signal transceiving end of the network interface is connected with the signal transceiving end of the input port and the signal transceiving end of the output port respectively, and is used for receiving an instruction of an upper computer in a wireless communication mode and transmitting operation data and an alarm signal to the upper computer; the signal output end of the input module is respectively connected with the signal receiving ends of the input port and the output port and used for receiving an operation instruction input by an operator. The invention has remote and local operation control modes, and is used for realizing the electric energy control of each port according to a remote or local control instruction.
In summary, the present invention provides a standardized and modularized electric energy conversion interface for the connection requirements of different electric power sources and equipment of a ship, and has a multi-path power source and energy storage module compatible access function and an access function of various electric power equipment, and an internal power bus is provided, so that different power sources are connected to the bus through a corresponding port conversion module, and then the other port conversion module outputs electric energy to the electric equipment, so as to connect the multi-path power sources and the electric equipment in a ship electric power system to realize real-time conversion and stable transmission of multi-port electric energy.
The above embodiments are only used for illustrating the design idea and features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the content of the present invention and implement the present invention accordingly, and the protection scope of the present invention is not limited to the above embodiments. Therefore, all equivalent changes and modifications made in accordance with the principles and concepts disclosed herein are intended to be included within the scope of the present invention.
Claims (9)
1. The utility model provides a naval vessel integrated electric energy conversion equipment which characterized in that: the power supply comprises an input port, a first electric energy conversion module, an internal power bus, a second electric energy conversion module and an output port which are connected in sequence; the input port is used for connecting an external power supply, inputting the external power supply to the first electric energy conversion module and controlling the first electric energy conversion module; the first electric energy conversion module is used for converting a power system and inputting the power system to an internal power bus; the internal power bus is used for filtering interference and outputting electric energy to the second electric energy conversion module; the second electric energy conversion module is used for converting electric energy and outputting the electric energy to an output port; the output port is used for connecting the electric equipment, outputting the converted power supply to the electric equipment and controlling the second electric energy conversion module; the input port and the output port respectively comprise a sensor and a wiring device, the sensor is used for acquiring device operation signals, and the wiring device is used for being connected with an external power supply or external equipment; the first electric energy conversion module and the second electric energy conversion module respectively comprise a port converter, a digital controller and a cooperative controller; the port converter is used for voltage conversion, the digital controller is used for driving the port converter, controlling current and voltage waveforms and suppressing interference among the ports, and the cooperative controller is used for giving a reference signal of input and output power of the ports and coordinating power flow of the ports.
2. The ship integrated electric energy conversion device of claim 1, wherein: the short-circuit and overload protection module is used for stopping the operation of the device under the conditions of short circuit and/or overload, and protecting the safety of the device and the electric equipment.
3. The ship integrated electric energy conversion device of claim 1, wherein: the alarm device is used for performing sound-light alarm prompt and manual elimination alarm prompt on faults including voltage low, overvoltage, overcurrent, module faults and insulation low resistance.
4. The ship integrated electric energy conversion device of claim 3, wherein: the wireless communication device also comprises a network interface, wherein a wired signal transceiving end of the network interface is connected with a signal transceiving end of the input port and the signal transceiving end of the output port respectively, and is used for receiving an instruction of the upper computer in a wireless communication mode and transmitting operation data and an alarm signal to the upper computer.
5. The ship integrated electric energy conversion device of claim 1, wherein: the signal output end of the input module is respectively connected with the signal receiving ends of the input port and the output port and used for receiving an operation instruction input by an operator.
6. The ship integrated electric energy conversion device of claim 1, wherein: the power supply of the input port comprises alternating current 690V, direct current 1000V, alternating current 380V, alternating current 220V, direct current 220V and direct current 24V.
7. The ship integrated electric energy conversion device of claim 1, wherein: the power supply of the output port comprises alternating current 690V, direct current 1000V, alternating current 380V, alternating current 220V, direct current 220V and direct current 24V.
8. The ship integrated electric energy conversion device of claim 1, wherein: the first power conversion module comprises an AC/DC converter, a DC/DC direct current transformer, a DC/DC converter, a DC/DC bidirectional converter and a DC/AC converter.
9. The ship integrated electric energy conversion device of claim 1, wherein: the second electric energy conversion module comprises an AC/DC converter, a DC/DC direct current transformer, a DC/DC converter, a DC/DC bidirectional converter and a DC/AC converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911174018.2A CN110868051A (en) | 2019-11-26 | 2019-11-26 | Integrated electric energy conversion device for ships |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911174018.2A CN110868051A (en) | 2019-11-26 | 2019-11-26 | Integrated electric energy conversion device for ships |
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| CN110868051A true CN110868051A (en) | 2020-03-06 |
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| CN201911174018.2A Pending CN110868051A (en) | 2019-11-26 | 2019-11-26 | Integrated electric energy conversion device for ships |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108092494A (en) * | 2017-11-23 | 2018-05-29 | 深圳市思创华源科技有限公司 | A kind of multifunction power power supply |
| CN111769551A (en) * | 2020-06-30 | 2020-10-13 | 中国舰船研究设计中心 | Terminal power distribution system of naval vessel |
| CN112912268A (en) * | 2020-07-27 | 2021-06-04 | 深圳欣锐科技股份有限公司 | Power supply device, vehicle and equipment |
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| CN108092494A (en) * | 2017-11-23 | 2018-05-29 | 深圳市思创华源科技有限公司 | A kind of multifunction power power supply |
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Application publication date: 20200306 |