CN100410143C - Ship - Google Patents
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- CN100410143C CN100410143C CNB2005800012050A CN200580001205A CN100410143C CN 100410143 C CN100410143 C CN 100410143C CN B2005800012050 A CNB2005800012050 A CN B2005800012050A CN 200580001205 A CN200580001205 A CN 200580001205A CN 100410143 C CN100410143 C CN 100410143C
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- power supply
- cable
- generation assembly
- ships
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J99/00—Subject matter not provided for in other groups of this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/40—The network being an on-board power network, i.e. within a vehicle
- H02J2310/42—The network being an on-board power network, i.e. within a vehicle for ships or vessels
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J4/00—Circuit arrangements for mains or distribution networks not specified as ac or dc
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Stand-By Power Supply Arrangements (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
Abstract
A ship having a generator for supplying electric power consumed by the ship and capable of receiving electric power from an external power supply. The ship further has a reel on/from which a cable for receiving electric power from the external power supply can be wound/let out when the reel is rotated and power supply switching means for switching the electric power received from the generator to the electric power from the external power supply through the cable without stop of supply of electric power.
Description
Technical field
When the present invention relates to possess the power generation assembly of supplying with self electrification, can accept boats and ships from the electric power supply of external power supply, particularly relate to and possess and not have a power failure and just finish the boats and ships that power supply switches when being used for external power supply bonded assembly cable winding and the cable drum taken in.
Background technology
All the time, when possessing the power generation assembly of supplying with self electrification, it is known to accept the boats and ships supplied with from the electric power that is arranged on land external power supply (land power supply).
Fig. 2 represents the general formation of existing boats and ships 100.
Above-mentioned existing boats and ships 100 possess power generation assembly 102, and this power generation assembly 102 is electrically connected with the main bus-bar 106 that is used for to other unit feeding electric power of above-mentioned boats and ships 100 by circuit breaker 104.
Above-mentioned existing boats and ships 100 be provided with electrified terminal 110 such as Texas deck 108, be electrically connected mutually by ship inner cable 112 between this electrified terminal 110 and the above-mentioned main bus-bar 106.In addition, the pars intermedia of above-mentioned ship inner cable 112 is provided with circuit breaker 114.
And, when acceptance is supplied with from the electric power of land mains connection set, be arranged on the electrified terminal 110 on the above-mentioned existing boats and ships 100 and be arranged between the terminal 116 of land power supply on bank by the 118 interconnective whiles of cable, the circuit of above-mentioned circuit breaker 104 (circuit breaker between main bus-bar 106 and the power generation assembly 102) is opened, and the circuit of above-mentioned circuit breaker 114 (circuit breaker between main bus-bar 106 and the external power supply) is closed.
And, as with the corresponding technology of above-mentioned prior art, the technology of putting down in writing in the 2001-309553 communique is opened in known having such as the spy.
But according to the difference of the employed electric power amount of boats and ships, what above-mentioned cable 118 generally used is the cable that diameter is big, quality is big.Therefore, there is following problem in above-mentioned existing boats and ships 100, that is: must use the hoisting crane (not illustrating) that is arranged on boats and ships 100 or the bank to come distribution at the above-mentioned cable of preparing on boats and ships 100 or the bank 118, above-mentioned cable 118 is set needs a lot of man-hours.
In addition, behind the distribution of finishing above-mentioned cable 118, when the power supply that boats and ships 100 are used switches to the said external power supply by above-mentioned power generation assembly 102, because the circuit of above-mentioned circuit breaker 104 is opened the circuit of the above-mentioned circuit breaker 114 in back and is closed, be in and do not have the electric power condition of supplying so above-mentioned main bus-bar 106 can take place, cause in the above-mentioned boats and ships 100 to have a power failure for the moment.
Summary of the invention
The present invention is directed to the problems referred to above, it is a kind of when possessing the power generation assembly of supplying with self electrification that purpose is to provide, and can accept the boats and ships supplied with from the electric power of external power supply, when the supply source of Switching power, it is simple to switch operation, and can not have a power failure and just finish switching.
The 1st aspect of the present invention is a kind of boats and ships, when possessing the power generation assembly of supplying with self electrification, can accept to supply with from the electric power of external power supply, have: cable drum, by revolution, can reel or derive is used to accept the cable supplied with from the electric power of said external power supply; The power supply switching mechanism switches to when accepting to supply with from the electric power of said external power supply by above-mentioned cable at the electric power from above-mentioned power generation assembly that will accept, can not have a power failure and just finish switching.
The 2nd aspect of the present invention, according to the described boats and ships in above-mentioned the 1st aspect, above-mentioned power supply switching mechanism is to be lower than the mechanism that carries out above-mentioned switching under the situation of power frequency of said external power supply in the generating frequency that makes the generating of above-mentioned power generation assembly.
The 3rd aspect of the present invention according to the described boats and ships in above-mentioned the 2nd aspect, has: main bus-bar, be arranged on the above-mentioned boats and ships, and be used for to the machine supply capability that is arranged on the above-mentioned boats and ships; The 1st circuit breaker is arranged on the pars intermedia or the end of the ship inner cable that interconnects above-mentioned cable and above-mentioned main bus-bar; And, the 2nd circuit breaker, be arranged on the pars intermedia or the end of the electric power supply line that interconnects above-mentioned power generation assembly and above-mentioned main bus-bar, above-mentioned power supply switching mechanism is following mechanism: switch to when accepting to supply with from the electric power of said external power supply by above-mentioned cable at the electric power from above-mentioned power generation assembly that will accept, reduce the rotating speed of the primary mover of above-mentioned power generation assembly gradually by governor, make the power frequency of the generating frequency of above-mentioned power generation assembly generating a little less than the said external power supply, close the circuit of above-mentioned the 1st circuit breaker, behind the circuit of closing above-mentioned the 1st circuit breaker, open the circuit of above-mentioned the 2nd circuit breaker.
The 4th aspect of the present invention is a kind of boats and ships, when possessing the power generation assembly of supplying with self electrification, can accept to supply with from the electric power of external power supply, have: cable drum, by revolution, can reel or derive is used to accept the cable supplied with from the electric power of said external power supply; The power supply switching mechanism in the time will switching to the electric power supply of accepting above-mentioned power generation assembly by the electric power from the said external power supply that above-mentioned cable is accepted, can not have a power failure and just finish switching.
The 5th aspect of the present invention, according to the described boats and ships in above-mentioned the 4th aspect, above-mentioned power supply switching mechanism is to be higher than the mechanism that carries out above-mentioned switching under the situation of power frequency of said external power supply in the generating frequency that makes the generating of above-mentioned power generation assembly.
The 6th aspect of the present invention, the boats and ships according to the record of above-mentioned the 5th aspect have: main bus-bar, be arranged on the above-mentioned boats and ships, be used for to the machine supply capability that is arranged on the above-mentioned boats and ships; The 1st circuit breaker is arranged on the pars intermedia or the end of the ship inner cable that interconnects above-mentioned cable and above-mentioned main bus-bar; And, the 2nd circuit breaker, be arranged on the pars intermedia or the end of the electric power supply line that interconnects above-mentioned power generation assembly and above-mentioned main bus-bar, above-mentioned power supply switching mechanism is following mechanism: in the time will switching to the electric power supply of accepting above-mentioned power generation assembly by the electric power from the said external power supply that above-mentioned cable is accepted, control the rotating speed of the primary mover of above-mentioned power generation assembly by governor, make the power frequency of the generating frequency of above-mentioned power generation assembly generating a little more than the said external power supply, close the circuit of above-mentioned the 2nd circuit breaker, behind the circuit of closing above-mentioned the 2nd circuit breaker, open the circuit of above-mentioned the 1st circuit breaker.
The 7th aspect of the present invention according to the described boats and ships in above-mentioned 6 aspects, the 1st aspect to the, has: external power supply abnormality detection mechanism can detect the unusual of said external power supply by signal wire (SW); Power supply switching controls mechanism, under the electric power condition of supplying of accepting from the said external power supply, take place under the unusual situation when detecting the said external power supply, in the above-mentioned power generation assembly of starting, control above-mentioned power supply switching mechanism, will switch to the electric power of accepting above-mentioned power generation assembly by the electric power that above-mentioned cable is accepted and supply with from the said external power supply.
The 8th aspect of the present invention according to the described boats and ships in above-mentioned 7 aspects, the 1st aspect to the, has: power generation assembly abnormality detection mechanism can detect the unusual of above-mentioned power generation assembly; The abnormal signal output mechanism, above-mentioned when unusual when detecting, the signal that will be used to start the protective circuit of said external power supply exports the said external power supply to by signal wire (SW).
The 9th aspect of the present invention, according to the described boats and ships in above-mentioned the 7th aspect or the 8th aspect, above-mentioned signal wire (SW) and above-mentioned cable are wholely set.
The 10th aspect of the present invention according to the described boats and ships in above-mentioned 9 aspects, the 1st aspect to the, has: cable derived quantity testing agency can detect from the derived quantity of the above-mentioned cable of above-mentioned cable drum derivation; The cable drum control mechanism when the derived quantity that detects above-mentioned cable surpasses predetermined value, stops the revolution of the actuator of above-mentioned cable drum.
The 11st aspect of the present invention, according to the described boats and ships in above-mentioned 10 aspects, the 1st aspect to the, cable derived quantity testing agency with the derived quantity that can detect the above-mentioned cable of deriving from above-mentioned cable drum, when acceptance is supplied with from the electric power of said external power supply, surpass predetermined value if detect the derived quantity of above-mentioned cable, above-mentioned power supply switching controls mechanism will switch to the electric power of accepting above-mentioned power generation assembly from the electric power of said external power supply and supply with.
Description of drawings
Fig. 1 represents the general formation of the boats and ships of embodiment of the present invention, simultaneously, represents that above-mentioned boats and ships rest in the state on bank.
Fig. 2 represents the general formation of existing ship.
The specific embodiment
Fig. 1 represents the general formation of the boats and ships 1 of embodiment of the present invention, simultaneously, represents that above-mentioned boats and ships 1 rest in the state of bank Q.And Fig. 1 is for rearward looking into the distance the figure of above-mentioned boats and ships 1 from the place ahead of above-mentioned boats and ships.
The structure of boats and ships 1 is when possessing the power generation assembly 3 of the proper number of supplying with self electrification, can accept to supply with from the electric power of external power supply P.
And, above-mentioned boats and ships 1 are assumed to be passenger boat that power consumption Duos than other boats and ships or the box ship that is used to carry reefer cargo, as said external power supply P, be assumed to be such as be arranged on land generating generating set.
At first explanation is used for from above-mentioned power generation assembly 3 each device to above-mentioned boats and ships 1 supply capability.
Above-mentioned power generation assembly 3 possesses electrical generator 5, and this electrical generator 5 can drive generating by the primary mover of diesel engine 7 grades.
Be provided with governor 9 in the above-mentioned diesel engine 7, this governor 9 can be adjusted the rotating speed of above-mentioned diesel engine 7 under the control of control setup 11.By adjusting the rotating speed of above-mentioned diesel engine 7, can control from the electric generating frequency of above-mentioned electrical generator 5 (power generation assembly 3) output and phase place etc.
Be provided with main bus-bar 13 in the above-mentioned boats and ships 1, can be by this main bus-bar 13 to machine in being arranged on above-mentioned boats and ships 1 (such as light equipment, refrigerating plant) supply capability.
Pars intermedia or end at the electric power supply line 15 that interconnects above-mentioned main bus-bar 13 and above-mentioned power generation assembly 3 (electrical generator 5), be provided with the circuit breaker 17 that constitutes such as by VCB (Vacum Circuit Breaker), under the control of above-mentioned control setup 11, by opening or close the circuit of above-mentioned circuit breaker 17, can carry out electric power to above-mentioned main bus-bar 13 (above-mentioned boats and ships 1) from above-mentioned electrical generator 5 and supply with, perhaps stop electric power and supply with.
The following describes and be used for each device to above-mentioned boats and ships 1 supply capability from said external power supply P.
At the position, coastal waters of bank Q (such as: above the Q of bank, the end of sea one side) be provided with socket P1 as an example of the splicing ear of external power supply P.This socket P1 passes through to be connected with said external power supply P at the cable P3 of the underground distribution of bank Q.
By socket P1 and cable P3 are set as described above, the container handling crane and the above-mentioned cable P3 that have avoided being used for freight container and other items is moved into or taken out of above-mentioned boats and ships 1 interfere, and make container handling crane be easy to be arranged on the Q of bank.
Be provided with cable drum 23 in the above-mentioned boats and ships 1, cable drum 23 turns round by electric engine 19 actuators such as grade, can reel or derive is used to accept the cable 21 supplied with from the electric power of said external power supply P, is provided with the plug 25 as an example of the splicing ear of above-mentioned boats and ships 1 one sides in the first end of above-mentioned cable 21.
Above-mentioned cable drum 23 is arranged on above-mentioned boats and ships 1 contact the ship side of a side with bank Q top.In other words, by above-mentioned cable 21 is derived from above-mentioned cable drum 23, at plug 25 easy to reachs of the tip that is arranged on above-mentioned cable 21, be arranged near being provided with place or this place on the position of socket P1 of the external power supply P on the above-mentioned bank Q, be provided with above-mentioned cable drum 23.
More detailed explanation is exactly, and the rotary middle spindle by above-mentioned cable drum 23 extends at the fore-and-aft direction of above-mentioned boats and ships 1, and above-mentioned cable drum 23 extends above-mentioned cable 21 in the predetermined direction revolution under above-mentioned bank Q one side direction simultaneously.
In addition, near the derivation position of the above-mentioned cable 21 above-mentioned cable drum 23 is provided with the guiding parts 27 that can make above-mentioned cable 21 derive or reel smoothly.
After plug 25 reached the position of socket P1, the operator was connected to above-mentioned socket P1 with above-mentioned plug 25.
Above-mentioned boats and ships 1 be provided with have a plug 31 be subjected to electroplax 29, by will being connected with above-mentioned plug 31, can be subjected to electroplax 29 to carry out electric power to supply with to above-mentioned from said external power supply P from the socket 35 of the first end of above-mentioned cable drum 23 cables 33 that derive, that be located at other.
Above-mentioned cable 33 be be wound on cable drum 23 on the different cable of cable 21, can not derive or be wound on the cable drum 23 from cable drum because of the revolution of cable drum 23.Above-mentioned cable 21 and above-mentioned other cable 33 are by being arranged on the mutual conduction such as current colector on the cable drum 23.
The above-mentioned inside of electroplax 29 that is subjected to of pars intermedia that connects the ship inner cable 37 of above-mentioned plug 31 (above-mentioned each cable 21,33) and above-mentioned main bus-bar 13 is provided with such as the circuit breaker 39 that is made of VCB, in addition, in above-mentioned main bus-bar 13 1 sides of the pars intermedia of above-mentioned ship inner cable 37, circuit breaker 41 setting of connecting with above-mentioned circuit breaker 39.
Like this, by under the control of above-mentioned control setup 11, opening or close the circuit of above-mentioned circuit breaker 39,41, can carry out electric power to above-mentioned main bus-bar 13 (above-mentioned boats and ships 1) from said external power supply P by above-mentioned each cable 21,33 and supply with, perhaps stop electric power and supply with.
In addition, above-mentioned circuit breaker 39,41 also can be arranged on the end of above-mentioned ship inner cable 37.Because that circuit breaker adopts is VCB, so even high potential (such as the voltage of 6600V) also can disconnect reliably.
Have, in Fig. 1, each cable 21,33,37 of ship inner cables have marked one again, and according to the electricity usage amount of boats and ships 1, can be arranged in parallel most roots each cable 21,33 and ship inner cable 37 are provided with a plurality of cable drums 23 and each circuit breaker 39,41 then in view of the above.When a plurality of cable drum 23 is set, make the rotary middle spindle of each cable drum arrange above-mentioned each cable drum consistent with each otherly,, can simplify the formation of cable drum if drive by an electric engine 19.
Below, describe above-mentioned cable drum 23 in detail.
Above-mentioned cable drum 23 comes driving rotational by remote control.That is to say that under the control of engine controller 43, the revolution of controlling above-mentioned electric engine 19 by remote control drives, make above-mentioned cable drum 23 revolutions.
Above-mentioned cable drum 23 is provided with the cable derived quantity testing agency 45 of the derived quantity that can detect the above-mentioned cable 21 of deriving from above-mentioned cable drum 23, when the derived quantity that detects above-mentioned cable 21 surpasses predetermined value, under the control of above-mentioned engine controller 43, the electric engine 19 of above-mentioned cable drum 23 stops revolution.
The following describes and above-mentioned boats and ships 1 and the interconnective signal wire (SW) of said external power supply P.
Above-mentioned signal wire (SW) is used to transmit the information between above-mentioned boats and ships 1 and the said external power supply P, such as being made of optical fiber.
In addition, above-mentioned signal wire (SW) and above-mentioned each cable 21,33, P1 are wholely set.That is to say, such as, in the inside of the crust of above-mentioned each cable 21,33, P1, parallel being provided with is used for electric power supply line and the above-mentioned optical fiber that electric power is supplied with.
And when above-mentioned plug 25 inserted above-mentioned socket P1, the signal wire (SW) that is arranged on the signal wire (SW) of above-mentioned cable 21 and is arranged on above-mentioned cable P3 interconnected.
When above-mentioned plug 31 inserted above-mentioned socket 35, the signal wire (SW) that is arranged on the signal wire (SW) of above-mentioned cable 33 and is arranged on above-mentioned plug 31 interconnected.
Above-mentioned signal wire (SW) separates distribution in the inboard (the above-mentioned inside that is subjected to electroplax 29) of above-mentioned plug 31 with the electric power supply line, and above-mentioned electric power supply line constitutes ship inner cable 37 as mentioned above, is connected with circuit breaker 39.
On the other hand, the signal wire (SW) of above-mentioned separately distribution with optical signal can be changed into electric signal or the optical transducer 47 that electric signal changes optical signal into is connected, this optical transducer 47 is connected with control setup 11 by PLC49.Like this, can carry out the exchange of information between above-mentioned control setup 11 and the said external power supply P (control setup of protective circuit described later and external power supply P).
The following describes the power supply switching mechanism 51 of the power supply supply source that switches above-mentioned boats and ships 1.
Above-mentioned power supply switching mechanism 51 is when the electric power from above-mentioned power generation assembly 5 that above-mentioned boats and ships 1 are accepted switches to above-mentioned boats and ships 1 and accepts electric power supply from said external power supply P by above-mentioned each cable 21,33,37, when perhaps the electric power from said external power supply P that above-mentioned boats and ships 1 are accepted by above-mentioned each cable 21,33,37 switches to above-mentioned boats and ships 1 and accepts to supply with from the electric power of above-mentioned power generation assembly 5, can not have a power failure and just finish switching.
More detailed explanation is exactly, above-mentioned power supply switching mechanism 51 has: such as the generating frequency detecting mechanism (not illustrating) of the generating frequency that can detect above-mentioned power generation assembly 3, can detect the power generation assembly phase-detection mechanism (not illustrating) of the electric phase place of above-mentioned power generation assembly 3 generatings, can detect the external power supply phase-detection mechanism (not illustrating) of the phase place of said external power supply P, and the external power supply frequency detecting mechanism (not illustrating) that can detect the power frequency of said external power supply.
When the electric power of accepting from above-mentioned power generation assembly 3 being switched to the electric power of accepting said external power supply P by above-mentioned each cable 21,33,37 and supplies with, by above-mentioned control setup 11 on one side relatively by the generating frequency of the detected above-mentioned power generation assembly 3 of above-mentioned generating frequency detecting mechanism with by the power frequency of the detected said external power supply P of said external power frequency testing agency, reduce the rotating speed of the diesel engine 7 of above-mentioned power generation assembly 3 on one side by governor 9 gradually, make the power frequency of the generating frequency of above-mentioned power generation assembly 3 generatings a little less than said external power supply P.
As mentioned above, make under the power frequency state of generating frequency a little less than said external power supply P of above-mentioned power generation assembly 3 generatings, the circuit of above-mentioned each circuit breaker 39,41 of opening is closed (closing for making electric power be supplied to main bus-bar 13 from said external power supply P), after closing the circuit of above-mentioned each circuit breaker 39,41, open the circuit (in order not allow electric power be supplied to above-mentioned main bus-bar 13 and open) of the above-mentioned circuit breaker 17 of closing, thereby switch from said external power supply P.
After finishing above-mentioned switching, above-mentioned power generation assembly 3 (diesel engine 7) shuts down.
On the other hand, when handle passes through above-mentioned each cable 21,33,37 electric power of accepting from said external power supply P switch to when above-mentioned power generation assembly 3 is accepted electric power and supplied with, above-mentioned power generation assembly 3 entrys into service, by above-mentioned control setup 11 power frequency of the detected said external power supply of generating frequency and the said external power frequency testing agency P of the detected above-mentioned power generation assembly 3 of more above-mentioned generating frequency detecting mechanisms on one side, control the rotating speed of the diesel engine 7 of above-mentioned power generation assembly 3 on one side by governor 9, make the power frequency of the generating frequency of above-mentioned power generation assembly 3 generatings a little more than said external power supply P.
As mentioned above, make under the power frequency state of generating frequency a little more than said external power supply P of above-mentioned power generation assembly 3 generatings, the circuit of the above-mentioned circuit breaker 17 opened is closed, after closing the circuit of above-mentioned circuit breaker 17, open the circuit of above-mentioned each circuit breaker 39,41 of closing, thereby switch.
And, the phase place of the detected said external power supply of phase place and said external power phase testing agency P by the detected above-mentioned power generation assembly 3 of above-mentioned control setup 11 more above-mentioned power generation assembly phase-detection mechanisms, if when above-mentioned each phase place is consistent with each other, carry out above-mentioned each switching, the waveform that can not upset the electric power that is supplied to boats and ships 1 compares smoothly and switches.
If when the voltage basically identical of the voltage of above-mentioned power generation assembly 3 and said external power supply P, carry out above-mentioned each switch, can switch more smoothly.
If the power frequency of said external power supply P is the known power source frequency, can omit said external power frequency testing agency.
The following describes the control when generations such as external power supply P are unusual.
Above-mentioned boats and ships 1 such as above-mentioned control setup 11 on, be provided with by being arranged on above-mentioned each cable 21,33, signal wire (SW) on the P3 can detect the unusual external power supply abnormality detection mechanism (not illustrating) of said external power supply P, and be provided with control above-mentioned power supply switching mechanism 51 power supply switching controls mechanism, it is under the electric power condition of supplying of accepting from said external power supply P, taken place when unusual when detecting said external power supply P, in the above-mentioned power generation assembly 3 of starting, will be by above-mentioned each cable 21,33,37 electric power of accepting from said external power supply P switch to acceptance and supply with from the electric power of above-mentioned power generation assembly 3.
Above-mentioned boats and ships 1 such as above-mentioned control setup 11 on; be provided with the unusual power generation assembly abnormality detection mechanism (not illustrating) that can detect above-mentioned power generation assembly 3; and being provided with when detecting above-mentionedly when unusual, the signal that will be used to start the protective circuit (not illustrating) of said external power supply P exports the abnormal signal output mechanism of said external power supply P to by above-mentioned signal wire (SW).
When the derived quantity that detects above-mentioned cable 21 when accepting to supply with from the electric power of said external power supply P when above-mentioned cable derived quantity testing agency 45 surpassed predetermined value, the electric power from said external power supply P that above-mentioned power supply switching mechanism 51 will be accepted switched to the electric power supply of acceptance from above-mentioned power generation assembly 3.
The following describes the action when power generation assembly 3 switches to external power supply P of the power supply of above-mentioned boats and ships 1.
State behind boats and ships 1 firm arrival bank Q begins explanation.
At first, the operator makes above-mentioned cable drum 23 revolutions by remote control, derives cable 21, makes plug 25 can reach the position of socket P1, and plug 25 is inserted socket P1.
Then, the rotating speed of the diesel engine 7 of the above-mentioned power generation assembly 3 of above-mentioned control setup 11 controls reduces it gradually, make the power frequency of the generating frequency of above-mentioned power generation assembly 3 a little less than said external power supply P, close the circuit of above-mentioned each circuit breaker 39,41 of opening, after closing, open the circuit of the above-mentioned circuit breaker 17 of closing.
The following describes the action when external power supply P switches to power generation assembly 3 of the power supply of above-mentioned boats and ships 1.
At first, the above-mentioned power generation assembly 3 of above-mentioned control setup 11 startings, control the rotating speed of the diesel engine 7 of above-mentioned power generation assembly 3, make the power frequency of the generating frequency of above-mentioned power generation assembly 3 generatings a little more than said external power supply P, close the circuit of the above-mentioned circuit breaker of opening 17, after closing, open the circuit of above-mentioned each circuit breaker 39,41 of closing.
Then, the operator extracts plug 25 from socket P1, makes above-mentioned cable drum 23 revolutions, the above-mentioned cable 21 of reeling by remote control.
Adopt boats and ships 1, owing to have the cable drum 23 that the cable 21 that is used to accept to supply with from the electric power of said external power supply P can be reeled or derived by the revolution of electric engine 19, with switch to when accepting to supply with will supplying with from the electric power of said external power supply P by above-mentioned cable 21 by the electric power of accepting above-mentioned power generation assembly 3, the power supply switching mechanism 51 that can not have a power failure and just finish switching, so there is no need as in the past, to need to prepare in addition cable, come distribution by the hoisting crane (not illustrating) that is arranged on boats and ships or the bank then, only needing derives cable 21 from cable drum 23, and be connected on the external power terminal P1 that is arranged on the Q of bank, so the setting of cable 21 (distribution) work is simple, when can carrying out the setting of cable 21 at an easy rate, the switching of the power supply supply source of just finishing boats and ships 1 of can not having a power failure.
Equally, when the electric power of accepting by above-mentioned cable 21 from said external power supply P being switched to when above-mentioned power generation assembly 3 is accepted electric power and supplied with, can carry out at an easy rate cable 21 remove receipts in, the switching of the power supply supply source of just finishing boats and ships 1 of can not having a power failure.
That is to say that boats and ships 1 are when the Switching power supply source, the switching operation is easy, does not need simultaneously to have a power failure and just can finish switching.
Just can finish the switching of power supply supply source because do not have a power failure, so when carrying out above-mentioned switching, the electrical equipment that uses in the above-mentioned boats and ships 1 can normally use in impregnable continuation.
In addition, above-mentioned cable drum 23 is arranged on the top that contacts the ship side of a side with bank Q of above-mentioned boats and ships 1.That is: by above-mentioned cable 21 is derived from above-mentioned cable drum 23, at plug 25 easy to reachs of the tip of above-mentioned cable 21, be arranged on the position of socket P1 of the external power supply P on the above-mentioned bank Q, be provided with above-mentioned cable drum 23, so above-mentioned cable 21 that operation is set is simple, also there is no need on bank and boats and ships, to be provided for being provided with the hoisting crane of cable in addition as in the past.
And, when not having acceptance to supply with, because above-mentioned cable 21 can be reeled and be accommodated in the cable drum 23, so cable 21 can not become obstacle from the electric power of said external power supply P.When needs acceptance is supplied with from the electric power of said external power supply P, can immediately cable 21 be derived.
When boats and ships 1 are at anchor (when boats and ships 1 rest in bank Q), because can accept electric power from land external power supply P supplies with, the power generation assembly 3 of boats and ships 1 has not had the noise and the exhaust of above-mentioned power generation assembly 3 like this so there is no need to turn round, and can prevent the ecological deterioration of harbour periphery.
Adopt boats and ships 1, carry out above-mentioned switching owing to be lower than in the generating frequency of above-mentioned power generation assembly 3 under the state of power frequency of said external power supply P, so can prevent from the adverse current of above-mentioned power generation assembly 3 to the electric current of above-mentioned external device (ED) P.
Adopt boats and ships 1, because in the time will switching to the electric power of accepting said external power supply P by above-mentioned cable 21 from the electric power that above-mentioned power generation assembly 3 is accepted and supply with, reduce the rotating speed of the diesel engine 7 of above-mentioned power generation assembly 3 at leisure, make the power frequency of the generating frequency of above-mentioned power generation assembly 3 a little less than said external power supply P, so, the frequency that is supplied to the power supply of above-mentioned main bus-bar 13 from above-mentioned power generation assembly 3 does not have rapid variation, therefore, can prevent to produce excess current in above-mentioned main bus-bar 13 and connected other devices.
Adopt boats and ships 1, under the electric power condition of supplying of accepting from said external power supply P, take place under the unusual situation when detecting said external power supply P, in the above-mentioned power generation assembly 3 of starting, automatically will switch to acceptance from the electric power that said external power supply P accepts supplies with from the electric power of above-mentioned power generation assembly 3, can not supply capability, also can prevent the power failure in the boats and ships 1 so even said external power supply P takes place unusual.
In addition; adopt boats and ships 1; when detecting above-mentioned power generation assembly 3 unusual; because the signal output of protective circuit that will be used to start said external power supply P is to above-mentioned external power supply P, so can prevent by the fault of the said external power supply P that causes unusually of above-mentioned power generation assembly 3 and unusual generation.
Have, adopt boats and ships 1, above-mentioned signal wire (SW) so when cable 21 is set above-mentioned signal wire (SW) can be set, there is no need to be provided with in addition above-mentioned signal wire (SW) because be wholely set with above-mentioned cable.
The plug 25 of the first end of the cable 21 of above-mentioned cable drum 23 is when the socket P1 of external power supply P on being arranged on above-mentioned bank is connected, above-mentioned signal wire (SW) also is in coupled condition, so there is no need to connect above-mentioned signal wire (SW) in addition, can avoid forgetting the state of affairs that connects signal wire (SW).
Adopt boats and ships 1, when the derived quantity that detects above-mentioned cable 21 surpassed predetermined value, the electric engine 19 of above-mentioned cable drum 23 shut down, so can prevent because the breakage of the above-mentioned cable 21 that cable 21 derived quantitys too much cause.
Because for the setting that makes above-mentioned cable 21 (deriving) with to remove receipts (being wound on cable drum 23) operation simple from cable drum 21, operation by remote controller drives above-mentioned cable drum 23, in other words, the operator is sometimes away from the above-mentioned cable drum 23 of the position operation of above-mentioned cable drum 23, so the operator confirms that at any time the derived quantity of the above-mentioned cable 21 of deriving from above-mentioned cable drum 23 is very difficult.
But, as mentioned above, when the derived quantity that detects above-mentioned cable 21 surpasses predetermined value, the electric engine 19 of above-mentioned cable drum 23 shuts down, so for the operator, even be difficult to see the derivation state of cable 21, also can prevent because the breakage of the above-mentioned cable 21 that operator's faulty operation causes.
Adopt boats and ships 1, under the electric power condition of supplying of accepting from said external power supply P, when the derived quantity that detects above-mentioned cable 21 surpasses predetermined value, above-mentioned power supply switching controls mechanism 51 will switch to from the electric power of said external power supply P and accept electric power from above-mentioned power generation assembly 3 and supply with.
Therefore, because certain reason, when acceptance is supplied with from the electric power of said external power supply P, even above-mentioned boats and ships 1 have left the predetermined distance of bank Q, such as, the plug 25 of the tip of cable 21 comes off from the socket P1 on the Q of bank, and the electric power that yet can continue to be supplied to above-mentioned boats and ships 1 does not switch with having a power failure.
In addition, boats and ships 1 are under the electric power condition of supplying of accepting from said external power supply P, when the derived quantity that detects above-mentioned cable 21 surpasses predetermined value, under the control of above-mentioned control setup 11, line circuit breaker is disconnected.
Under the electric power condition of supplying of accepting from said external power supply P; when the derived quantity that detects above-mentioned cable 21 surpasses predetermined value, can export said external power supply P to from above-mentioned control setup 11 by the signal that above-mentioned signal wire (SW) will be used to start the protective circuit of said external power supply P.Then, as long as the protective circuit of starting said external power supply P stops to supply with from the electric power of said external power supply P, even cable 21 ruptures, also can avoid said external power supply P take place since the fracture of cable 21 cause unusually.
Present specification is with reference to the full content of the patent application 2004-212163 of Japan number (application on July 20th, 2004), and writes in the application's the specification sheets.
The invention is not restricted to above-mentioned embodiment,, also can implement by other embodiment by suitable change.
Claims (9)
1. boats and ships possess the power generation assembly of supplying with electrification, simultaneously, can accept to supply with from the electric power of external power supply, it is characterized in that having:
Cable drum, by revolution, can reel or derive is used to accept the cable supplied with from the electric power of said external power supply;
The power supply switching mechanism switches to when accepting to supply with from the electric power of said external power supply by above-mentioned cable at the electric power from above-mentioned power generation assembly that will accept, and can not have a power failure and just finish switching,
Above-mentioned power supply switching mechanism is to be lower than the mechanism that carries out above-mentioned switching under the situation of power frequency of said external power supply in the generating frequency that makes the generating of above-mentioned power generation assembly.
2. boats and ships according to claim 1 is characterized in that having:
Main bus-bar is arranged on the above-mentioned boats and ships, is used for to the machine supply capability that is arranged on the above-mentioned boats and ships;
The 1st circuit breaker is arranged on the pars intermedia or the end of the ship inner cable that interconnects above-mentioned cable and above-mentioned main bus-bar; And,
The 2nd circuit breaker is arranged on the pars intermedia or the end of the electric power supply line that interconnects above-mentioned power generation assembly and above-mentioned main bus-bar,
Above-mentioned power supply switching mechanism will switched to when accepting to supply with from the electric power of said external power supply by above-mentioned cable by the electric power of accepting from above-mentioned power generation assembly, reduce the rotating speed of the primary mover of above-mentioned power generation assembly gradually by governor, make the generating frequency of the generating frequency of above-mentioned power generation assembly generating a little less than the said external power supply, close the circuit of above-mentioned the 1st circuit breaker, behind the circuit of closing above-mentioned the 1st circuit breaker, open the circuit of above-mentioned the 2nd circuit breaker.
3. boats and ships possess the power generation assembly of supplying with electrification, simultaneously, can accept to supply with from the electric power of external power supply, it is characterized in that having:
Cable drum, by revolution, can reel or derive is used to accept the cable supplied with from the electric power of said external power supply;
The power supply switching mechanism in the time will switching to the electric power supply of accepting above-mentioned power generation assembly by the electric power of accepting by above-mentioned cable from the said external power supply, can not have a power failure and just finish switching,
Above-mentioned power supply switching mechanism is to be higher than the mechanism that carries out above-mentioned switching under the situation of power frequency of said external power supply in the generating frequency that makes the generating of above-mentioned power generation assembly.
4. boats and ships according to claim 3 is characterized in that having:
Main bus-bar is arranged on the above-mentioned boats and ships, is used for to the machine supply capability that is arranged on the above-mentioned boats and ships;
The 1st circuit breaker is arranged on the pars intermedia or the end of the ship inner cable that interconnects above-mentioned cable and above-mentioned main bus-bar; And,
The 2nd circuit breaker is arranged on the pars intermedia or the end of the electric power supply line that interconnects above-mentioned power generation assembly and above-mentioned main bus-bar,
Above-mentioned power supply switching mechanism will be in the time will switching to the electric power supply of accepting above-mentioned power generation assembly by the electric power of accepting by above-mentioned cable from the said external power supply, control the rotating speed of the primary mover of above-mentioned power generation assembly by governor, make the power frequency of the generating frequency of above-mentioned power generation assembly generating a little more than the said external power supply, close the circuit of above-mentioned the 2nd circuit breaker, behind the circuit of closing above-mentioned the 2nd circuit breaker, open the circuit of above-mentioned the 1st circuit breaker.
5. according to any described boats and ships of claim 1 to 4, it is characterized in that having:
External power supply abnormality detection mechanism can detect the unusual of said external power supply by signal wire (SW);
Power supply switching controls mechanism, under the electric power condition of supplying of accepting from the said external power supply, take place under the unusual situation when detecting the said external power supply, in the above-mentioned power generation assembly of starting, control above-mentioned power supply switching mechanism, will switch to the electric power of accepting above-mentioned power generation assembly by the electric power of accepting by above-mentioned cable and supply with from the said external power supply.
6. according to any described boats and ships of claim 1 to 4, it is characterized in that having:
Power generation assembly abnormality detection mechanism can detect the unusual of above-mentioned power generation assembly;
The abnormal signal output mechanism, above-mentioned when unusual when detecting, the signal that will be used to start the protective circuit of said external power supply exports the said external power supply to by signal wire (SW).
7. boats and ships according to claim 5 is characterized in that, above-mentioned signal wire (SW) and above-mentioned cable are wholely set.
8. according to any described boats and ships of claim 1 to 4, it is characterized in that having:
Cable derived quantity testing agency can detect from the derived quantity of the above-mentioned cable of above-mentioned cable drum derivation;
The cable drum control mechanism when the derived quantity that detects above-mentioned cable surpasses predetermined value, stops the revolution of the actuator of above-mentioned cable drum.
9. according to any described boats and ships of claim 1 to 4, it is characterized in that, cable derived quantity testing agency with the derived quantity that can detect the above-mentioned cable of deriving from above-mentioned cable drum, when acceptance is supplied with from the electric power of said external power supply, under the derived quantity that detects above-mentioned cable surpasses the situation of predetermined value, above-mentioned power supply switching controls mechanism will accept to switch to the electric power supply of accepting above-mentioned power generation assembly from the electric power of said external power supply.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004212163A JP4436203B2 (en) | 2004-07-20 | 2004-07-20 | Ship |
| JP212163/2004 | 2004-07-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1878694A CN1878694A (en) | 2006-12-13 |
| CN100410143C true CN100410143C (en) | 2008-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800012050A Active CN100410143C (en) | 2004-07-20 | 2005-02-25 | Ship |
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| Country | Link |
|---|---|
| JP (1) | JP4436203B2 (en) |
| KR (1) | KR100844113B1 (en) |
| CN (1) | CN100410143C (en) |
| TW (1) | TW200604057A (en) |
| WO (1) | WO2006008849A1 (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4656990B2 (en) * | 2005-04-14 | 2011-03-23 | 株式会社アイ・エイチ・アイ マリンユナイテッド | Ship power supply device and ship power supply switching method |
| JP4605598B2 (en) * | 2005-04-14 | 2011-01-05 | 株式会社アイ・エイチ・アイ マリンユナイテッド | Ship power supply device and control method thereof |
| JP4605599B2 (en) * | 2005-04-14 | 2011-01-05 | 株式会社アイ・エイチ・アイ マリンユナイテッド | Ship power supply package and ship power supply method using the same |
| JP4722718B2 (en) * | 2006-02-02 | 2011-07-13 | 寺崎電気産業株式会社 | Land power receiving device |
| FR2899029B1 (en) * | 2006-03-21 | 2008-06-27 | Snecma Sa | DEVICE AND METHOD FOR CONNECTING AN ELECTRICAL POWER LINE BETWEEN A SHIP AND A TERMINAL |
| GB2456179B (en) * | 2008-01-07 | 2012-02-15 | Converteam Technology Ltd | Marine power distribution and propulsion systems |
| CN102395507B (en) * | 2009-04-15 | 2014-04-16 | 日本邮船株式会社 | Ship |
| JP5466896B2 (en) * | 2009-07-17 | 2014-04-09 | Ｊｒｃｓ株式会社 | Onshore power supply cable reel |
| KR101017465B1 (en) * | 2009-11-18 | 2011-02-25 | 에스티엑스조선해양 주식회사 | Marine power providing device using solar energy |
| CN102290850A (en) * | 2011-08-31 | 2011-12-21 | 昆明理工大学 | Solar energy and wind energy complementary emergency power-supply system for fishing boat |
| KR101651954B1 (en) * | 2014-11-24 | 2016-08-30 | 주식회사 코릴 | Inverter control type alternative maritime power system |
| KR102372752B1 (en) | 2015-01-02 | 2022-03-10 | 대우조선해양 주식회사 | Apparatus and method for supplying electricity to outside of flng |
| LU93105B1 (en) * | 2016-06-14 | 2018-01-09 | Ipalco Bv | A system for connecting an electrical power distribution of a ship to a shore side electrical power supply |
| KR102625551B1 (en) * | 2018-06-19 | 2024-01-16 | 닛키 글로벌 가부시키가이샤 | How to connect plant devices |
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| JPS63190195U (en) * | 1987-05-21 | 1988-12-07 |
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- 2004-07-20 JP JP2004212163A patent/JP4436203B2/en active Active
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- 2005-02-25 CN CNB2005800012050A patent/CN100410143C/en active Active
- 2005-02-25 KR KR1020067012059A patent/KR100844113B1/en active IP Right Grant
- 2005-02-25 WO PCT/JP2005/003149 patent/WO2006008849A1/en active Application Filing
- 2005-03-04 TW TW094106709A patent/TW200604057A/en unknown
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| JPS6152690U (en) * | 1984-09-13 | 1986-04-09 | ||
| JPH05219662A (en) * | 1992-02-03 | 1993-08-27 | Fuji Electric Co Ltd | Method and apparatus for changing-over aircraft power source |
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Also Published As
| Publication number | Publication date |
|---|---|
| TW200604057A (en) | 2006-02-01 |
| KR20060103529A (en) | 2006-10-02 |
| WO2006008849A1 (en) | 2006-01-26 |
| JP2006027536A (en) | 2006-02-02 |
| CN1878694A (en) | 2006-12-13 |
| JP4436203B2 (en) | 2010-03-24 |
| TWI329597B (en) | 2010-09-01 |
| KR100844113B1 (en) | 2008-07-04 |
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