JPH09215212A - Power supply device for ships - Google Patents

Abstract

(57) Abstract: When the first and second electric equipments are connected to the first battery and the first and second electric equipments are connected to the second battery, the above first and second electric equipments are connected. When a short circuit occurs in any one of the two electrical components, only the power supply to the one electrical component is cut off, and the power supply to the other electrical component is continued. The use of this other electrical equipment should not be unnecessarily restricted. A first electrical device 18 is attached to a first battery 11.
The first circuit 23 for connecting the
A first 'circuit 24 for connecting the second electric equipment 19 to the second circuit 25, a second circuit 25 for connecting the second electric equipment 19 to the second battery 12, and a second electric circuit 18 connecting the first electric equipment 18 to the second battery 12 And a second 'circuit 26 for enabling The first circuit 23, the first 'circuit 24, the second circuit 25, and the second' circuit 26 are individually protected by wire protectors 30 to 3.
3 is provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power supply device for a ship, which is equipped with a plurality of engines, batteries, and electrical equipment.

[0002]

2. Description of the Related Art A conventional power supply device for a ship is the first, first ', second, and second' shown by solid lines in FIG.
The electric wire protectors 30 to 33 do not exist, and instead of this, a first electric wire protector 51 and a second electric wire protector 52 indicated by a chain double-dashed line.
Those provided with and are proposed.

Explaining this, the ship 1 has a plurality of propulsion first and second engines 3 and 4, and these first and second engines.
A plurality of first and second batteries 11 and 12 that individually supply electric power to the second engines 3 and 4, and a first circuit 23 that connects the first electrical equipment 18 to the first battery 11.
Same as above, a first 'circuit 24 for connecting the second electric equipment 19 to the first battery 11, a second circuit 25 for connecting the second electric equipment 19 to the second battery 12, and a second battery 12 same as above. A second 'circuit 26 for connecting the first electrical equipment 18 is provided.

The first battery 11 (or the second battery 12) is connected to the first circuit 23 and the first battery 1 '.
Through the circuit 24 (or the second circuit 25 and the second 'circuit 26), electric power is supplied to both the first and second electric components 18 and 19.

For this reason, the first and second batteries 11, 1
Even if the amount of electricity stored in either one of the two batteries is insufficient, this shortage is compensated by the other battery, so that the predetermined electric power is stabilized in the first and second electric devices 18 and 19. Are being supplied.

Further, in the above structure, the first electric wire protector 51 common to the first circuit 23 and the first 'circuit 24 is provided, and the second electric wire protector 51 common to the second circuit 25 and the second' circuit 26 is provided. A wire protector 52 is provided. Then, when an overcurrent flows through each of the circuits 23 to 26 due to a short circuit between the first and second electrical equipment 18 and 19, the first and second electric wire protectors 51 and 52 automatically operate. The power supply device is protected by the cutting operation.

[0007]

According to the above-mentioned conventional technique, when the first electric equipment 18 (or the second electric equipment 19) is short-circuited, the first electric equipment 18 (or the second electric equipment 19) is short-circuited. The first and second batteries 11,
The first and second wire protectors 51, 52 in the first circuit 23 and the second 'circuit 26 (or the second circuit 25 and the first' circuit 24) connected to 12 are both disconnected.

Therefore, the first and second electrical equipment 18,
Even if a short circuit occurs in only one of the electrical equipment of No. 19, as described above, the first and second electric wire protectors 51, 52.
Disconnect all of the circuits 23 to 26, that is, the first and second batteries 11 and 1 are disconnected.
The supply of electric power from 2 to the first and second electric equipments 18 and 19 is all cut off.

Therefore, there is a problem in that the electric power supply is also cut off to the other electrical equipment in which no short circuit has occurred, and the electrical equipment cannot be used.

The present invention has been made by paying attention to the above circumstances. The first and second electric equipments are connected to the first battery, and the first and second electric devices are connected to the first battery.
When a short circuit occurs in one of the first and second electrical equipment when the second electrical equipment is connected, only the power supply to the one electrical equipment is cut off, and the other It is an object of the present invention to keep the supply of electric power to the electric equipment of the other equipment and prevent the use of the other electric equipment from being unnecessarily restricted.

[0011]

A power supply device for a ship according to the present invention for achieving the above object includes a plurality of first and second engines 3 and 4 for propulsion, and these first and second engines 3. , A plurality of first and second batteries 11 and 12 for individually supplying electric power to the first and second batteries 11 and 12.
A first circuit 23 for connecting the electric equipment 18, a first 'circuit 24 for connecting the second electric equipment 19 to the first battery 11, and a second circuit for connecting the second electric equipment 19 to the second battery 12 A circuit 25 and a second 'circuit 2 for connecting the first electrical equipment 18 to the second battery 12 as above.
6 and the first circuit 23, the first '
The circuit 24, the second circuit 25, and the second 'circuit 26 are individually provided with wire protectors 30 to 33.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

A solid line in FIG. 1 and FIG. 2 show an embodiment of the present invention. In the figure, reference numeral 1 indicates a ship, and an arrow Fr indicates the front thereof.

A plurality of first and second engines (internal combustion engines) 3 and 4 for propelling the ship 1 are provided at the rear of the hull 2 of the ship 1.
The first engine 3 is installed on the starboard side of the hull 2, and the second engine 4 is installed on the port side of the hull 2 so that they can be driven independently of each other. The first and second engines 3,
Propulsion shafts 5 and 6 extend rearward from 4, respectively, and propellers 7 and 8 are attached to the extended ends, respectively. A fuel tank 9 for storing the fuel supplied to the first and second engines 3 and 4 is provided at the rear part of the ship body 2.

A first battery 11 for supplying electric power to the first engine 3 and a second battery 12 for supplying electric power to the second engine 4 are separately provided for ignition and the like. Further, these first and second batteries 11 and 12 can be charged with electric power generated by the first and second engines 3 and 4, respectively.

A cabin 14 is provided at the front of the hull 2, and a steering handle 15 is provided in the cabin 14. In addition, a remote control device 16 is provided which enables the first and second engines 3 and 4 to be individually activated.

The ship 1 includes a first electric equipment 18 and a second electric equipment 19. The first electrical device 18 has a refrigerator 20 provided in the cabin 14, a light for illumination, and a first remote controller (not shown) for remotely adjusting the rotation speed of the starboard first engine 3 There is. Further, the second electric device 19 has a television 21 provided in the same cabin 14 and a second remote controller (not shown) for remotely adjusting the rotation speed of the second engine 4 for the port side. Based on the operation for each of the remote controllers, the above-mentioned remote controllers electronically control the opening / closing valve of the throttle valve, and
The remote control device 16 constitutes a part of the remote control device 16 by adjusting the amount of fuel supplied to the remote control device.

A first circuit 23 for connecting (electrically connecting, hereinafter the same) the first electric equipment 18 to the first battery 11, and a first circuit 23 for connecting the second electric equipment 19 to the first battery 11 as above. 'A circuit 24 and a second circuit 2 for connecting the second electric device 19 to the second battery 12
5 and the same as the above, the second battery 12 is connected to the first electrical equipment 18
And a second 'circuit 26 for connecting.

A first switch 27 for connecting and disconnecting the connection between the first circuit 23 and the first 'circuit 24 with respect to the first battery 11 is provided, and the second circuit 25 and the second' with respect to the second battery 12 are provided. A second switch 28 is provided that allows connection and disconnection of the circuit 26.

The first circuit 23, the first 'circuit 24, the second circuit
The circuit 25 and the second 'circuit 26 are individually provided with first, first', second, and second 'electric wire protectors 30 to 33 so as to correspond to them, respectively. 1 ',
Second and second 'rectifiers 35-38 are individually provided. The wire protectors 30 to 33 are fuses and breakers, and the rectifiers 35 to 38 are the first and second batteries 11 and 12 to the first and second electrical equipment 18,
Electric current is caused to flow in one direction toward 19.

When the first and second switches 27 and 28 are turned on, the first battery 11 (or the second battery 12) has the first circuit 23 and the first 'circuit 24 (or the second circuit 25 and the second circuit 25). 'Through the circuit 26) the first electrical equipment 1
8 and second electric equipment 19 are supplied with electric power.

For this reason, the first and second batteries 11, 1
Even if the amount of electricity stored in either one of the two batteries is insufficient, this shortage is compensated by the other battery, so that the predetermined electric power is stabilized in the first and second electric devices 18 and 19. Are being supplied.

According to the above construction, when the first electric equipment 18 (or the second electric equipment 19) is short-circuited, the first electric equipment 18 (or the second electric equipment 19) is connected to the first battery 11. The first wire protector 30 (or the first 'wire protector 31) and the same as the above, the second' wire protector 33 (or the second wire protector 33 for connecting the first electric device 18 (or the second electric device 19) to the second battery 12). Wire protector 3
2) and the cutting operation.

On the other hand, the second electrical equipment 19 which is not short-circuited
(Or the first electric equipment 18) is connected to the second battery 12 (or the first battery 1) through the second electric wire protector 32 (or the first electric wire protector 30) which is not disconnected.
1) The second electric device 19 (or the first electric device 18) is not disconnected and the first electric wire protector 31 (or the second electric wire protector 33) is kept connected. It is kept connected to the first battery 11 (or the second battery 12) through.

Although the above is based on the illustrated example, at least one of the first engine 3 and the second engine 4 may be constituted by a plurality of engine groups. Along with this, at least one of the first battery 11 and the second battery 12 may be configured by a plurality of battery groups.

[0026]

According to the present invention, a plurality of first and second engines for propulsion, a plurality of first and second batteries for individually supplying electric power to these first and second engines, and the above first A first circuit for connecting the first electric device to the battery; a first circuit for connecting the second electric device to the first battery; and a second circuit for connecting the second electric device to the second battery; Same as above, in a ship power supply device comprising a second battery for connecting the first electrical equipment to a second battery, the first circuit, the first circuit, the second circuit, and the second circuit respectively. An electric wire protector is installed in.

Therefore, when the first electric equipment (or the second electric equipment) is short-circuited, the first electric wire protector (or the first electric wire protector) which connects the first electric equipment (or the second electric equipment) to the first battery. The wire protector 'and the second wire protector (or the second wire protector) for connecting the first electric device (or the second electric device) to the second battery are disconnected.

On the other hand, the second electric equipment (or the first electric equipment) which is not short-circuited is connected to the second battery (or the first battery) through the second electric wire protector (or the first electric wire protector) which is not disconnected. The same as the above, the second electric device (or the first electric device) is kept connected.
Remains connected to the first battery (or second battery) through the first 'wire protector (or the second' wire protector) which is not disconnected.

Therefore, for the first battery, the first and the second
When a short circuit occurs in either one of the first and second electrical equipment when the electrical equipment is connected and the first and second electrical equipment are connected to the second battery as above. , Since the power supply to only one of the electric devices is cut off and the power supply to the other electric device is continued, the use of the other electric device is unnecessarily limited as in the conventional case. That is certainly prevented.

[Brief description of drawings]

FIG. 1 is an electric block diagram of a power supply device for a ship.

FIG. 2 is a simplified plan view of a ship.

[Explanation of symbols]

 1 Ship 2 Hull 3 1st Engine 4 2nd Engine 11 1st Battery 12 2nd Battery 18 1st Electrical Equipment 19 2nd Electrical Equipment 23 1st Circuit 24 1st 'Circuit 25 2nd Circuit 26 2nd' Circuit 30 30th 1 wire protector 31 1'wire protector 32 2nd wire protector 33 2'wire protector

Claims (1)

[Claims] 1. A plurality of first and second engines for propulsion,
A plurality of first and second batteries for individually supplying electric power to the first and second engines, a first circuit for connecting a first electric device to the first battery, and a second electric device for the first battery. A ship including a first 'circuit for connecting a device, a second circuit for connecting the second electric device to the second battery, and a second' circuit for connecting the first electric device to a second battery. The power supply device of the ship, wherein the first circuit, the first 'circuit, the second circuit, and the second' circuit are individually provided with wire protectors.