CN210273499U

CN210273499U - Ship power station system suitable for cargo loading machinery

Info

Publication number: CN210273499U
Application number: CN201921205710.2U
Authority: CN
Inventors: 项国飞; 何秋平; 王萍; 朱莉峰; 沈静; 张剑; 高志坚; 孙卫明; 郑洋
Original assignee: Jiangsu Dayang Offshore Equipment Co ltd; Nanjing Changfeng Space Electronics Technology Co Ltd
Current assignee: Jiangsu Dayang Offshore Equipment Co ltd; Nanjing Changfeng Space Electronics Technology Co Ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-04-07
Anticipated expiration: 2029-07-29

Abstract

The utility model discloses a ship power station system suitable for cargo loading machinery, which comprises a first generator and a second generator on a ship and a shore power supply on a dock; the first 440V bus bar and the second 440V bus bar are matched with the first generator, the second generator and the shore power supply for use; the shore power supply is connected with the first 440V bus bar and the second 440V bus bar through the first breaker and the second shore power breaker respectively; the corresponding first generator is connected with the first 440V bus bar through a third breaker. The device can automatically judge whether a shore power supply or a generator power supply or both of the shore power supply and the generator power supply are needed to be used according to the required power; the purposes of saving power, improving working efficiency and safely unloading are achieved.

Description

Ship power station system suitable for cargo loading machinery

Technical Field

The utility model relates to a boats and ships power station management service equipment field, a boats and ships power station system suitable for have cargo loading machinery specifically says so.

Background

In the prior art, large loading mechanical equipment is installed in most of loading ships, so that the ships are required to have a relatively powerful power station system to support the operation of the large loading mechanical equipment; but sometimes the use of these large loaders is only affected by ship power; in the existing ship automatic power station system, a shore power supply and a ship generator power supply are not allowed to be used simultaneously, and the shore power supply is used for providing electric energy for electric equipment under the condition that no high-power machinery runs on a ship when the ship stops at a wharf; when a high-power machine is used for loading cargoes, a generator on a ship is started to provide power, connection of a shore power supply is cut off, and the power of the generator is greatly wasted in the loading and unloading process of the conventional automatic power station system, so that energy conservation and emission reduction of the ship are not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a ship power station system which is suitable for a ship with a cargo loading machine aiming at the defects of the prior art; the technical scheme is as follows:

a marine power plant system adapted for use with cargo loading machinery, comprising first and second generators on a marine vessel and a shore power source docked on a quay; the first 440V bus bar and the second 440V bus bar are matched with the first generator, the second generator and the shore power supply for use; the shore power supply is connected with the first 440V bus bar and the second 440V bus bar through the first circuit breaker and the second circuit breaker respectively; the corresponding first generator is connected with the first 440V bus bar through a third breaker; the second generator is connected with a second 440V bus bar through a fourth breaker; and the first 440V bus bar and the second 440V bus bar are connected through an intermediate breaker.

Preferably, the first circuit breaker, the second circuit breaker and the intermediate circuit breaker have a mutual interlocking function, and any one of the first circuit breaker and the second circuit breaker cannot be closed simultaneously with the intermediate circuit breaker;

preferably, the first circuit breaker and the second circuit breaker and the third circuit breaker and the fourth circuit breaker have the mutual interlocking function; the first circuit breaker and the third circuit breaker are interlocked and cannot be closed at the same time; the second circuit breaker and the fourth circuit breaker are interlocked and cannot be closed simultaneously.

Preferably, the first 440V bus bar and the second 220V bus bar both provide 440V load through the circuit breaker.

Preferably, the first 440V bus bar and the second 440V bus bar are further connected with a 220V bus bar through a transformer, and the 220V bus bar provides 220V illumination and 220V load on the ship.

Preferably, the 220V bus bar and the first 440V bus bar and the second 440V bus bar are provided with circuit breakers at the same time, and the two circuit breakers have an interlocking function.

Has the advantages that: the utility model discloses following beneficial effect has: the device is connected with a shore power supply on a wharf and a generator on a ship by arranging two 440V bus bars and a plurality of groups of circuit breaker equipment, when mechanical loading equipment is operated and operated, the shore power supply can be used, the generator power supply on the ship can be used simultaneously, and in addition, whether the shore power supply or the generator power supply needs to be used or not or the shore power supply and the generator power supply need to be used together can be automatically judged according to the required power; the purposes of saving power, improving working efficiency and safely unloading are achieved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The present invention will be further clarified by the following embodiments with reference to the attached drawings, which are implemented on the premise of the technical solution of the present invention, and it should be understood that these embodiments are only used for illustrating the present invention and are not used for limiting the scope of the present invention.

As shown in fig. 1, a ship power plant system suitable for use with a cargo loading machine includes a first generator 1 and a second generator 2 on a ship and a shore power source 4 on a docking port; the system also comprises a first 440V bus bar 5 and a second 440V bus bar 6 which are matched with the first generator 1, the second generator 2 and the shore power source 4; the shore power source 4 is connected with the first 440V busbar 5 and the second 440V busbar 6 through the first breaker 101 and the second breaker 102, respectively; the corresponding first generator 1 is connected with a first 440V bus bar 5 through a third breaker 103; the second generator 2 is connected with a second 440V bus 6 through a fourth breaker 104; and the first 440V busbar 5 and the second 440V busbar 6 are connected by the intermediate breaker 7.

The first 440V busbar 5 and the second 220V busbar 6 each provide a 440V load through a circuit breaker; the first 440V busbar 5 and the second 440V busbar 6 are also connected with a 220V busbar 3 through a transformer 8, and the 220V busbar 3 provides 220V illumination and 220V load on the ship; the 220V bus bar 3 and the first 440V bus bar 5 and the second 440V bus bar 6 are simultaneously provided with circuit breakers on their connection circuits, and the two circuit breakers have an interlocking function.

A mutual interlocking function exists between the first breaker 101 and the second breaker 102 and the intermediate breaker 7, and any one of the first breaker 101 and the second breaker 102 cannot be closed simultaneously with the intermediate breaker 7; the first breaker 101 and the second breaker 102 and the third breaker 103 and the fourth breaker 104 have the mutual interlocking function; the first breaker 101 is interlocked with the third breaker 103 and cannot be closed at the same time; the second circuit breaker 102 and the fourth circuit breaker 104 are interlocked and cannot be closed at the same time.

The working principle of the device is as follows: when the total power of the ship required to operate is less than the power of the shore power box, a shore power supply is used; the first circuit breaker and the second circuit breaker are connected with a shore power supply, and the third circuit breaker and the fourth circuit breaker are used for disconnecting the first generator and the second generator; the power is provided by a shore power supply.

When the total power of the ship required to operate is larger than the power of the shore power box and smaller than the power of one generator, the first generator or the second generator can be selected. The third circuit breaker is connected with the first generator or the fourth circuit breaker is connected with the second generator, and the first circuit breaker and the second circuit breaker are used for disconnecting the shore power supply; the power is provided by a generator.

When the total power required by the ship to operate is larger than one generator but smaller than the sum of the power of one generator and the shore power supply, one generator is operated and the shore power supply is used at the same time. At the moment, a first circuit breaker of the shore power supply and a fourth circuit breaker of the second generator are connected, and the second circuit breaker of the shore power supply, a third circuit breaker of the first generator and an intermediate circuit breaker are disconnected; or a first circuit breaker for disconnecting the shore power supply, a fourth circuit breaker for disconnecting the second generator and an intermediate circuit breaker; a second circuit breaker connected to a shore power supply and a third circuit breaker connected to the first generator; the power is provided by a generator and a shore power supply.

And when the total power of the ship required to operate is greater than the sum of the power of one generator and the power of the shore power box, operating the two generators. And the third circuit breaker, the fourth circuit breaker and the middle circuit breaker which are connected with the first generator and the second generator disconnect the two circuit breakers of the shore power supply, and power is provided by the two generators.

The device is connected with a shore power supply on a wharf and a generator on a ship by arranging two 440V bus bars and a plurality of groups of circuit breaker equipment, when mechanical loading equipment is operated and operated, the shore power supply can be used, the generator power supply on the ship can be used simultaneously, and in addition, whether the shore power supply or the generator power supply needs to be used or not or the shore power supply and the generator power supply need to be used together can be automatically judged according to the required power; the purposes of saving power, improving working efficiency and safely unloading are achieved.

The above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the invention and the appended claims, and all equivalent changes and modifications made according to the claims should be included in the scope of the present invention.

Claims

1. A ship power station system suitable for a ship with a cargo loading machine is characterized in that: comprises a first generator (1) and a second generator (2) on a ship and a shore power supply (4) on a dock; the system also comprises a first 440V bus bar (5) and a second 440V bus bar (6) which are matched with the first generator (1), the second generator (2) and the shore power supply (4) for use; the shore power supply (4) is connected with a first 440V bus bar (5) and a second 440V bus bar (6) through a first breaker (101) and a second breaker (102) respectively; the corresponding first generator (1) is connected with the first 440V bus bar (5) through a third breaker (103); the second generator (2) is connected with a second 440V bus bar (6) through a fourth breaker (104); and the first 440V bus bar (5) and the second 440V bus bar (6) are connected through an intermediate breaker (7).

2. A marine power plant system adapted for use with cargo loading machinery, according to claim 1, wherein: the first breaker (101), the second breaker (102) and the middle breaker (7) have a mutual interlocking function, and any one of the first breaker (101) and the second breaker (102) cannot be closed simultaneously with the middle breaker (7).

3. A marine power plant system adapted for use with cargo loading machinery, according to claim 2, wherein: the first breaker (101), the second breaker (102), the third breaker (103) and the fourth breaker (104) have mutual interlocking functions; the first breaker (101) and the third breaker (103) are interlocked and cannot be closed simultaneously; the second circuit breaker (102) and the fourth circuit breaker (104) are interlocked and cannot be closed simultaneously.

4. A marine power plant system adapted for use with cargo loading machinery, according to claim 1, wherein: the first 440V bus bar (5) and the second 220V bus bar (6) provide 440V load through the circuit breaker.

5. A marine power plant system adapted for use with cargo loading machinery, according to claim 1, wherein: the first 440V bus bar (5) and the second 440V bus bar (6) are further connected with a 220V bus bar (3) through a transformer (8), and the 220V bus bar (3) provides 220V illumination and 220V load on the ship.

6. A marine power plant system adapted for use with cargo loading machinery, according to claim 5, wherein: and circuit breakers are simultaneously arranged on the connecting circuit of the 220V bus bar (3) and the first 440V bus bar (5) and the second 440V bus bar (6), and the two circuit breakers have an interlocking function.