CN218733253U - Ship power station - Google Patents
Ship power station Download PDFInfo
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- CN218733253U CN218733253U CN202222966582.1U CN202222966582U CN218733253U CN 218733253 U CN218733253 U CN 218733253U CN 202222966582 U CN202222966582 U CN 202222966582U CN 218733253 U CN218733253 U CN 218733253U
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- super capacitor
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- diesel engine
- direct current
- bus bar
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Abstract
The utility model discloses a boats and ships power station, include and connect the female super capacitor who arranges of direct current through DC converter, super capacitor is used for saving the electric energy and opens the operation after the female diesel engine group that corresponds of direct current breaks down, through DC converter is right the female row of direct current discharges and keeps the female stability of arranging the voltage of direct current. The super capacitor is connected with the direct-current busbar in the ship power station, the diesel engine unit is started to operate after the diesel engine unit breaks down, the DC/DC converter discharges the direct-current busbar and keeps the voltage of the direct-current busbar stable, the operation safety of a single generator of the electric propulsion ship is improved, the technical feasibility of operating the single generator of the electric propulsion ship in the torrent navigation section is realized, the energy is saved, and the emission is reduced.
Description
Technical Field
The utility model relates to a marine power generation technical field especially relates to a ship power station.
Background
The propulsion of a conventional ship is that a propeller is directly driven by a diesel engine, and a diesel generator of a ship power station is separated from a diesel engine for propulsion; the electric propulsion ship drives the motor to drive the propeller after the diesel generator generates electricity, a propulsion and daily public power station can be arranged, and electric energy can be uniformly allocated in the whole ship range.
Because the requirement of the electric propulsion ship on the continuity of power supply is very high, the power station busbar is segmented generally, safety equipment such as a generator set and a propulsion motor are uniformly hung on the two segments as far as possible, any segmented busbar of the power station breaks down, a busbar circuit breaker (alternating current busbar) or a quick fuse (direct current busbar) is quickly broken, the continuous operation of the non-fault busbar segment is ensured, and the safety of the ship is ensured.
The prerequisite for ensuring the effect of improving the power supply continuity of the busbar sections is that at least one generator set runs on each section of busbar, and the specifications of the electrically propelled ship sailing in the torrent sailing section are clearly specified.
However, for a ship, the load is low at low speed, and 1 generator set may be enough, for example: when the luxury cruise ship has low requirement on the speed, small daily load and forward-flow navigation, the capacity of 1 generator is enough to meet the requirement on the load of the whole ship, but 2 generator sets are still used for grid-connected operation in consideration of safety, and the load rate of the generator sets is very low, so that the energy conservation and emission reduction are seriously disadvantageous.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a boats and ships power station has improved the security of the operation of the single generator of electric propulsion boats and ships, makes torrent section electric propulsion boats and ships possess the technical feasibility of using the operation of single generator, has practiced thrift the energy, has reduced the emission.
In order to solve the technical problem, the embodiment of the utility model provides a ship power station, include and connect the female super capacitor who arranges of direct current through DC/DC converter, super capacitor is used for saving the electric energy and opens the operation after the female diesel engine unit that corresponds of direct current breaks down, through DC/DC converter is right the female row of direct current discharges and keeps the female stability of arranging the voltage of direct current.
The direct current bus bar is connected with the DC/DC converter through a direct current bus bar, wherein the direct current bus bar further comprises a fast fuse arranged between the DC/DC converter and the direct current bus bar.
The direct-current busbar comprises a left direct-current busbar and a right direct-current busbar, and the left direct-current busbar and the right direct-current busbar are connected with at least one super capacitor.
The bus coupler comprises a left section direct current bus bar and a right section direct current bus bar, wherein the bus coupler also comprises a bus coupler switch arranged between the left section direct current bus bar and the right section direct current bus bar.
The second fast fuse is arranged between the segment direct-current busbar, the right segment direct-current busbar and the bus coupler switch.
The system comprises a super capacitor, a diesel engine set and a power supply, and further comprises a state monitoring circuit connected with the super capacitor and the diesel engine set and used for detecting the working states of the super capacitor and the diesel engine set and starting the super capacitor after detecting that the diesel engine set breaks down.
The display is connected with the state monitoring circuit and used for displaying the working states of the super capacitor and the diesel engine set.
The embodiment of the utility model provides a boats and ships power station compares with prior art, has following advantage:
the ship power station is connected with the super capacitor through the direct current busbar, the running is started after the diesel engine set breaks down, the DC/DC converter is used for discharging the direct current busbar and keeping the voltage of the direct current busbar stable, the running safety of a single generator of the electric propulsion ship is improved, the technical feasibility of running the single generator of the electric propulsion ship in the emergency navigation section is realized, the power consumption requirements in different states can be met, the energy is saved, and the emission is reduced.
Drawings
In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the description below are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a marine power station according to an embodiment of the present invention;
the system comprises a super capacitor 1, a diesel generator set 2, a circuit breaker 3, a DC/DC converter 4, an AC/DC converter 5, a DC/AC converter 6, a fast fuse 7, a bus-tie switch 8, a daily transformer 9, a main propulsion motor 10, a reduction gear box 11 and a propeller 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a marine power plant provided by an embodiment of the present invention.
In a specific embodiment, the marine power station includes a super capacitor 1 connected to a DC bus through a DC/DC converter 4, where the super capacitor 1 is configured to store electric energy and start to operate after a diesel engine set corresponding to the DC bus fails, and the DC/DC converter 4 discharges the DC bus and keeps the DC bus voltage stable.
Through being connected super capacitor 1 with female the arranging of direct current, open the operation after diesel engine set breaks down, through DC/DC converter 4 is right female arranging of direct current discharges and keeps female the stability of arranging the voltage of direct current has improved the security of electric propulsion boats and ships single generator operation, makes torrent voyage electric propulsion boats and ships possess the technical feasibility of using single generator operation, can satisfy the power consumption demand of different states, has practiced thrift the energy, has reduced the emission.
In the present application, the actual capacity, number, model and operable time of the super capacitor 1 are not limited. After other diesel engine units or standby units are started, the required current and voltage can reach an expected value, the standby unit can be a unit independent of the existing unit, or a unit in a standby state can be used as the standby unit, and the like, which is not limited in the application.
In the actual operation process, although the super capacitor 1 can ensure the current stability of the direct-current busbar, the condition that the super capacitor 1 is abnormal may exist, the condition that the current is too large may occur, the condition that the direct-current busbar is burnt out exists, the whole circuit is further damaged, huge potential safety hazards are caused, and the operation reliability of the device is reduced.
To solve the technical problem, in one embodiment, the marine power plant further includes a fast fuse 7 disposed between the DC/DC converter and the DC busbar.
Through the setting of fast acting fuse 7 for at female too big electric current of receiving of arranging of direct current, perhaps reverse 1 charging current too big condition to super capacitor because of the trouble, through the mode of fusing with the circuit disconnection, thereby improved the operational reliability in power station and the security of equipment.
This application does not do the injecing to the structure of the female row of direct current and the kind, the quantity of the driven screw that corresponds, in an embodiment, female arranging of direct current includes that left side section direct current is female arranges, right side section direct current is female arranges, left side section direct current female arranging with at least one the ultracapacitor system 1 is connected.
The left section of direct current busbar and the right section of direct current busbar are connected with at least one super capacitor 1, so that independence of the left section of direct current busbar and the right section of direct current busbar is guaranteed, and operation reliability is improved.
Since the left and right dc busbars are independent of each other, but in actual operation, if the dc busbar is disconnected, both sides of the dc busbar need to operate with a diesel motor, which reduces the utilization efficiency of the device, in one embodiment, the device further includes a busbar switch 8 disposed between the left and right dc busbars.
Through the setting of female antithetical couplet switch 8, can be so that arrange at left side section direct current female the female intercommunication that realizes interconnection between arranging of right side section direct current can realize under normal conditions, through female antithetical couplet switch 8 realize with left side section direct current female arranging circuit between arranging switches each other of right side section direct current, and the diesel generating set on the left side can be to the screw power supply on the left side promptly, also can be to the screw power supply on the right, and the diesel generating set on the right also is so, can realize diesel generating set and screw reserve each other, has improved the operating efficiency and the reliability of equipment.
Furthermore, in order to improve the safety of the left-section dc bus bar in communication with the right-section dc bus bar during use, in an embodiment, the marine power station further includes a second fast fuse 7 disposed between the section dc bus bar, the right-section dc bus bar and the bus coupler switch 8.
The operational reliability of the corresponding device is ensured by the second fast fuse 7.
In order to further improve the maintenance efficiency in this application, in an embodiment, the ship power station further includes with super capacitor 1 the state monitoring circuit that the diesel engine set is connected for detect super capacitor 1 the operating condition of diesel engine set, and detect diesel engine set breaks down the back, starts super capacitor 1.
The corresponding equipment is automatically opened and closed through the real-time automatic detection of the state of the equipment by the state monitoring circuit, so that the operating efficiency of the circuit is improved, the working intensity of workers is reduced, and the working reliability of a power station is improved.
Furthermore, the ship power station further comprises a display connected with the state monitoring circuit and used for displaying the working states of the super capacitor 1, the standby motor and the diesel engine set.
The real-time display is carried out through the display, the monitoring and management efficiency of working human eyes can be improved, and the real-time performance and the high efficiency of equipment maintenance are improved.
To sum up, what this application embodiment provided boats and ships power station is through arranging with the direct current and being connected super capacitor, opens the operation after diesel engine set breaks down, through DC/DC converter is right the female row of direct current discharges and keeps the female stability of arranging voltage of direct current has improved the security that electric propulsion boats and ships list generator operated, makes torrent voyage electric propulsion boats and ships possess the technical feasibility who uses the operation of list generator, can satisfy the power consumption demand of different states, has practiced thrift the energy, has reduced the emission.
It is right above the utility model provides a boats and ships power station has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (7)
1. The ship power station is characterized by comprising a super capacitor connected with a direct-current busbar through a DC/DC converter, wherein the super capacitor is used for storing electric energy and starting to operate after a diesel engine set corresponding to the direct-current busbar breaks down, and the DC/DC converter discharges the direct-current busbar and keeps the voltage of the direct-current busbar stable.
2. The marine power plant of claim 1 further comprising a fast fuse disposed between the DC/DC converter and the DC bus.
3. The marine power station of claim 2, wherein the dc bus bar comprises a left dc bus bar and a right dc bus bar, and the left dc bus bar and the right dc bus bar are connected to at least one of the supercapacitors.
4. The marine power plant of claim 3 further comprising a bus coupler switch disposed between the left and right dc busbars.
5. The marine power plant of claim 4 further comprising a second fast fuse disposed between the segment DC bus bar, the right segment DC bus bar and the buscouple switch.
6. The marine power plant of claim 5 further comprising a condition monitoring circuit coupled to the super capacitor and the diesel engine assembly for detecting the operating condition of the super capacitor and the diesel engine assembly and activating the super capacitor upon detecting a fault in the diesel engine assembly.
7. The marine power plant of claim 6 further comprising a display connected to the condition monitoring circuit for displaying the operating condition of the super capacitor and the diesel assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222966582.1U CN218733253U (en) | 2022-11-08 | 2022-11-08 | Ship power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222966582.1U CN218733253U (en) | 2022-11-08 | 2022-11-08 | Ship power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218733253U true CN218733253U (en) | 2023-03-24 |
Family
ID=85611318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222966582.1U Active CN218733253U (en) | 2022-11-08 | 2022-11-08 | Ship power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218733253U (en) |
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2022
- 2022-11-08 CN CN202222966582.1U patent/CN218733253U/en active Active
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