CN221669616U

CN221669616U - Large-current switching device of ship power station

Info

Publication number: CN221669616U
Application number: CN202323562937.1U
Authority: CN
Inventors: 季劲东; 季劲翔
Original assignee: Wenzhou Hanghai Communication Co ltd
Current assignee: Wenzhou Hanghai Communication Co ltd
Priority date: 2023-12-26
Filing date: 2023-12-26
Publication date: 2024-09-06
Anticipated expiration: 2033-12-26

Abstract

The utility model discloses a high-current switching device of a ship power station, which belongs to the technical field of ship power stations and comprises a distribution box, a button, a pressure-resistant cavity, a gas generating module, a gas inlet, a pressure-resistant pipe A, a pressure-resistant pipe B, an insulating plate, a copper bar L, a copper bar N, a piston pipe, a sliding rod, a conducting plate, a strip-shaped ceramic plate, a C-shaped ceramic plate, an insulating baffle and a wiring terminal. According to the utility model, the gas-driven switch mechanism is arranged, when an emergency occurs, the button can be pressed to activate the gas generation module and rapidly generate gas, the gas passes through the pressure-resistant cavity, the pressure-resistant pipe B, the gas inlet and the pressure-resistant pipe A to reach the piston pipe and push the sliding rod to move, so that the conductive sheet is driven to move, and then the conductive sheet is separated from contact with the fractures in the middle of the copper bar L and the copper bar N, and the effect of timely disconnecting the ship power station circuit under the condition of being far away from the power distribution cabinet is achieved.

Description

Large-current switching device of ship power station

Technical Field

The utility model belongs to the technical field of ship power stations, and particularly relates to a high-current switching device of a ship power station.

Background

The ship power station is a production center of ship electric energy, is one of important power sources of ships, and the working quality of the ship power station directly influences the overall performance of the whole ship, so that a switching device is needed because a circuit is required to be rapidly cut off when the ship power station fails in order to ensure the safety of the ship.

The existing heavy-current switch device mainly uses a large-sized knife switch as a switch, generally adopts a mechanical design for stability and safety, and needs to be close to the knife switch for operation when a circuit needs to be opened manually in emergency, and after the circuit is opened, electric leakage is possibly caused by arc breakdown, so that the heavy-current switch device has danger, and the knife switch cannot be opened remotely immediately after abnormality is detected, and needs to be opened and closed manually to a distribution box, so that the circuit is not opened rapidly enough.

Disclosure of utility model

The utility model aims at: in order to solve the problem that a knife switch cannot be immediately and remotely disconnected, a distribution box is required to be manually switched on, so that a disconnection circuit is not rapid and safe enough, and the high-current switching device for the ship power station is provided.

The technical scheme adopted by the utility model is as follows: the high-current switching device of the ship power station comprises a distribution box, wherein a switching mechanism is arranged in the distribution box, and the distribution box is provided with a remote control mechanism;

The switching mechanism includes: the insulation board is characterized by comprising an air inlet, a pressure-resistant pipe A, an insulation board, copper bars L, copper bars N, piston pipes, sliding rods, conducting strips, strip-shaped ceramic plates, C-shaped ceramic plates, insulation baffles and wiring terminals, wherein the insulation board is fixedly arranged in the distribution box, the copper bars L and the copper bars N are fixedly arranged on the left side and the right side of the surface of the insulation board in parallel, the wiring terminals are connected to the ends of the copper bars L and the copper bars N, the middle parts of the copper bars L and the copper bars N are disconnected to form a fracture, the insulation baffles are fixedly arranged on the surface of the insulation board, the insulation baffles are arranged in parallel and divide the insulation board into a separation cavity A and a separation cavity B, meanwhile, the copper bars L are positioned in the separation cavity A, the copper bars N are positioned in the separation cavity B, the piston pipes are fixedly arranged on one side of the insulation board, the inside sliding connection of piston tube has the slide bar, slide bar and piston tube contact one end are equipped with the rubber piston, the middle part of insulating baffle is equipped with the round hole that can supply the slide bar to pass through, the slide bar passes the fracture in copper bar L and copper bar N middle part, installs conducting strip and bar ceramic wafer on the slide bar, bar ceramic wafer and conducting strip have two sets of, are located separately and separate chamber A and separate chamber B, and correspond the fracture in copper bar L and copper bar N middle part respectively, the insulating plate surface is close to copper bar L and copper bar N fracture department symmetry rotation and is connected with C shape potsherd, bar potsherd and C shape potsherd one side are "grid" form, block terminal lower part one side fixed mounting has the air inlet, be connected with withstand voltage pipe A between air inlet and the piston tube;

the remote control mechanism includes: instrument desk, button, safety cover, withstand voltage chamber, gas generation module, withstand voltage pipe B, instrument desk upper end fixed mounting has the button, instrument desk upper end and be located button externally mounted and have the safety cover, instrument desk lower extreme one side fixed mounting has withstand voltage chamber, withstand voltage chamber outside is connected with the air inlet through withstand voltage pipe B, withstand voltage intracavity side fixed mounting has the gas generation module.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. This kind of boats and ships power station heavy current switching device is through being provided with gas-driven switch gear, when the emergency takes place, the staff can take out the safety cover and press the button, and the button can activate gas generation module and produce gas rapidly, and gas is through withstand voltage chamber, withstand voltage pipe B, the air inlet, withstand voltage pipe A reaches the piston tube to promote the slide bar and remove, thereby drive the conducting strip and remove, and then the conducting strip breaks away from the contact with the fracture at copper bar L and copper bar N middle part, makes the circuit break off in time, has reached the effect of timely and safely breaking off boats and ships power station circuit under the circumstances of keeping away from the switch board.

2. This kind of boats and ships power station heavy current switching device is through being provided with bar potsherd and C shape potsherd, when the circuit disconnection, and the conducting strip removes, promotes C shape potsherd and rotates, makes C shape potsherd be between conducting strip and copper bar L, the copper bar N, and bar potsherd is "grid" form with C shape potsherd one side, effectively isolated electric arc has reached and has prevented to break down the effect that the air caused the electric leakage because of electric arc after the circuit.

Drawings

FIG. 1 is a schematic diagram of a front cross-sectional structure of the present utility model;

FIG. 2 is an enlarged schematic diagram of the circuit path of FIG. 1 according to the present utility model;

FIG. 3 is a schematic diagram of the circuit breaking and amplifying structure of FIG. 1A according to the present utility model;

Fig. 4 is a schematic diagram showing a three-dimensional structure of an insulating plate according to the present utility model.

The marks in the figure: 1. a distribution box; 101. an air inlet; 102. a pressure-resistant pipe A; 2. an insulating plate; 201. a copper bar L; 202. a copper bar N; 203. a piston tube; 2031. a slide bar; 2032. a conductive sheet; 2033. a strip-shaped ceramic sheet; 204. c-shaped ceramic plates; 205. an insulating baffle; 3. an instrument desk; 301. a button; 302. a protective cover; 303. a pressure-resistant cavity; 304. a gas generation module; 4. a pressure-resistant pipe B; 5. a connection terminal; 6. compartment a; 7. compartment B.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the utility model, the following components are added:

referring to fig. 1-4, a high-current switching device of a ship power station comprises a distribution box 1, wherein a leaning switching mechanism is arranged in the distribution box 1, and the distribution box 1 is provided with a remote control mechanism;

The switching mechanism includes: the air inlet 101, the pressure-resistant pipe A102, the insulating plate 2, the copper bar L201, the copper bar N202, the piston tube 203, the sliding rod 2031, the conducting strip 2032, the strip ceramic plate 2033, the C-shaped ceramic plate 204, the insulating baffle 205 and the wiring terminal 5, the insulating plate 2 is fixedly arranged in the distribution box 1, the copper bar L201 and the copper bar N202 are fixedly arranged on the left side and the right side of the surface of the insulating plate 2 in parallel, the wiring terminal 5 is connected to the end parts of the copper bar L201 and the copper bar N202, the middle parts of the copper bar L201 and the copper bar N202 are disconnected to form a fracture, the insulating baffle 205 is fixedly arranged on the surface of the insulating plate 2, the insulating baffle 205 is arranged in parallel and divides the insulating plate 2 into a compartment A6 and a compartment B7, the insulating baffle 205 separates the copper bar L201 and the copper bar N202, the copper bar L201 is arranged in the compartment A6, the copper bar N202 is arranged in the compartment B7, the piston tube 203 is fixedly arranged on one side of the insulating plate 2, the sliding rod 2031 is slidingly connected in the piston tube 203, the contact end of the sliding rod 2031 and the piston tube 203 is provided with a rubber piston, when the piston tube 203 has gas entering, the sliding rod 2031 is pushed, a round hole for the sliding rod 2031 to pass through is arranged in the middle of the insulating baffle 205, the sliding rod 2031 passes through the copper bar L201 and the fracture in the middle of the copper bar N202, the sliding rod 2031 is provided with two groups of conducting plates 2032 and 2033, the two groups of conducting plates 2033 and 2032 are respectively positioned in the separation cavity A6 and the separation cavity B7 and respectively correspond to the fracture in the middle of the copper bar L201 and the copper bar N202, when the circuit works normally, the two groups of conducting plates 2032 and the fracture respectively attached to the copper bar L201 and the fracture in the middle of the copper bar N202 are symmetrically and rotatably connected with C-shaped ceramic plates 204 at the fracture position of the surface of the insulating plate 2 close to the copper bar L201 and the copper bar N202, one side of the C-shaped ceramic plates 2033 is in a grid shape, the arc isolation effect is enhanced, an air inlet 101 is fixedly arranged on one side of the lower part of the distribution box 1, a pressure-resistant pipe A102 is connected between the air inlet 101 and a piston pipe 203, when air is filled from the air inlet 101, the air can reach the piston pipe 203 through the pressure-resistant pipe A102 and push a sliding rod 2031 to move, so that a conductive sheet 2032 is driven to move, the conductive sheet 2032 is separated from contact with a fracture at the middle part of a copper bar L201 and a copper bar N202, a circuit is in an open circuit state, and the conductive sheet 2032 moves and pushes a C-shaped ceramic sheet 204 to rotate, so that the C-shaped ceramic sheet 204 is positioned between the conductive sheet 2032 and the copper bar L201 and between the C-shaped ceramic sheet N202, and electric leakage due to arc breakdown is prevented;

The remote control mechanism includes: the gas-tight pressure-proof device comprises an instrument desk 3, a button 301, a protective cover 302, a pressure-tight cavity 303, a gas generation module 304 and a pressure-tight pipe B4, wherein the button 301 is fixedly arranged at the upper end of the instrument desk 3, the protective cover 302 is arranged at the outer part of the button 301, the pressure-tight cavity 303 is fixedly arranged at one side of the lower end of the instrument desk 3, the outer side of the pressure-tight cavity 303 is connected with a gas inlet 101 through the pressure-tight pipe B4, the gas generation module 304 is fixedly arranged at the inner side of the pressure-tight cavity 303, when an emergency happens, the protective cover 302 can be taken out and the button 301 is pressed down, the button 301 activates the gas generation module 304 and rapidly generates gas, and the gas passes through the pressure-tight cavity 303, the pressure-tight pipe B4, the gas inlet 101 and the pressure-tight pipe A102 to reach a piston pipe 203, so that a circuit is timely disconnected;

Further, the gas generating module 304 is connected to the button 301 by a wire.

Working principle: firstly, when a circuit works normally, two groups of conductive sheets 2032 are respectively attached to the fractures in the middle of the copper bar L201 and the copper bar N202, the circuit is in a passage state, and at the moment, a ship power station supplies power normally; when an emergency occurs, a worker can take out the protective cover 302 and press the button 301, the button 301 activates the gas generation module 304 and rapidly generates gas, the gas passes through the pressure-resistant cavity 303, the pressure-resistant pipe B4, the gas inlet 101 and the pressure-resistant pipe A102 to reach the piston pipe 203 and pushes the sliding rod 2031 to move, so that the conductive sheet 2032 is driven to move, and the conductive sheet 2032 is separated from contact with the fractures in the middle of the copper bar L201 and the copper bar N202, so that a circuit is disconnected in time to protect a ship power station; the conductive sheet 2032 moves and pushes the C-shaped ceramic sheet 204 to rotate, so that the C-shaped ceramic sheet 204 is positioned between the conductive sheet 2032 and the copper bar L201 and between the conductive sheet 2033 and the copper bar N202, and one sides of the strip-shaped ceramic sheet 2033 and the C-shaped ceramic sheet 204 are in a grid shape, so that electric arcs are effectively isolated, and electric leakage caused by air breakdown due to the electric arcs is prevented.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a boats and ships power station heavy current switching device, includes block terminal (1), its characterized in that: a switch mechanism is arranged inside the distribution box (1), and the distribution box (1) is provided with a remote control mechanism;

The switching mechanism includes: air inlet (101), withstand voltage pipe A (102), insulation board (2), copper bar L (201), copper bar N (202), piston tube (203), slide bar (2031), conducting strip (2032), bar ceramic wafer (2033), C shape ceramic wafer (204), insulating baffle (205), binding post (5), insulation board (2) are installed to block terminal (1) inside fixed mounting, copper bar L (201) and copper bar N (202) are installed to side by side both sides about insulation board (2) surface portion, copper bar L (201) all are connected with binding post (5) with copper bar N (202) tip, and copper bar L (201) all break with copper bar N (202) middle part and form the fracture, insulation board (205) are installed to insulation board (2) surface fixed, insulating baffle (205) separate copper bar L (201) and copper bar N (202), piston tube (203) are installed to insulation board (2) one side fixed mounting, piston tube (203) inside sliding connection has slide bar (2031), slide bar (201) and copper bar (202) pass copper bar (201) and copper bar N (2033) and ceramic wafer (2033) are installed at middle part, c-shaped ceramic plates (204) are symmetrically and rotatably connected to the surfaces of the insulating plates (2) close to the fracture of the copper bars L (201) and the copper bars N (202), an air inlet (101) is fixedly arranged on one side of the lower part of the distribution box (1), and a pressure-resistant pipe A (102) is connected between the air inlet (101) and the piston pipe (203);

The remote control mechanism includes: instrument desk (3), button (301), safety cover (302), withstand voltage chamber (303), gas generation module (304), withstand voltage pipe B (4), instrument desk (3) upper end fixed mounting has button (301), instrument desk (3) upper end and be located button (301) externally mounted have safety cover (302), instrument desk (3) lower extreme one side fixed mounting has withstand voltage chamber (303), withstand voltage chamber (303) outside is connected with air inlet (101) through withstand voltage pipe B (4), withstand voltage chamber (303) inboard fixed mounting has gas generation module (304).

2. The marine power station high current switching device of claim 1, wherein: the two insulating baffles (205) are arranged in parallel, the insulating plates (2) are divided into a compartment A (6) and a compartment B (7), the copper bar L (201) is located in the compartment A (6), the copper bar N (202) is located in the compartment B (7), and a round hole through which the sliding rod (2031) can pass is formed in the middle of the insulating baffles (205).

3. The marine power station high current switching device of claim 1, wherein: the strip-shaped ceramic plate (2033) and one side of the C-shaped ceramic plate (204) are in a grid shape.

4. The marine power station high current switching device of claim 1, wherein: the strip-shaped ceramic plates (2033) and the conductive plates (2032) are respectively arranged in the separation cavity A (6) and the separation cavity B (7) and respectively correspond to the fractures in the middle of the copper bar L (201) and the copper bar N (202).

5. The marine power station high current switching device of claim 1, wherein: one end of the sliding rod (2031) which is contacted with the piston tube (203) is provided with a rubber piston.