CN221669616U - Large-current switching device of ship power station - Google Patents

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

High current switchgear for ship power station

Technical Field

The utility model belongs to the technical field of ship power stations, in particular to a large current switch device for a ship power station.

Background Art

The ship power station is the production center of marine electricity and one of the important power sources of the ship. Its working quality directly affects the overall performance of the whole ship. In order to ensure the safety of the ship, the circuit must be cut off quickly when the ship power station fails, so a switching device is needed.

Existing high-current switching devices mainly use large knife switches as switches. For the sake of stability and safety, a mechanical design is generally adopted. When the circuit needs to be manually disconnected in an emergency, it is necessary to approach the knife switch to operate. After the circuit is disconnected, there is a possibility of leakage due to arc breakdown, which is dangerous. Moreover, after an abnormality is detected, the knife switch cannot be remotely disconnected immediately, and it is necessary to go to the distribution box to manually open and close the switch, resulting in the circuit being disconnected not quickly enough.

Utility Model Content

The purpose of the utility model is to provide a large current switch device for a ship power station in order to solve the problem that the knife switch cannot be disconnected remotely immediately and needs to be manually closed in the distribution box, resulting in the circuit being disconnected not quickly and safely.

The technical solution adopted by the utility model is as follows: a large current switch device for a ship power station comprises a distribution box, a switch mechanism is arranged inside the distribution box, and the distribution box is equipped with a remote control mechanism;

The switch mechanism includes: an air inlet, a pressure-resistant tube A, an insulating plate, a copper bar L, a copper bar N, a piston tube, a sliding rod, a conductive sheet, a strip ceramic sheet, a C-shaped ceramic sheet, an insulating baffle, and a terminal. The insulating plate is fixedly installed inside the distribution box. The surface of the insulating plate is divided into left and right sides with copper bars L and copper bars N fixedly installed in parallel. The ends of the copper bars L and copper bars N are both connected to terminal blocks, and the middle of the copper bars L and copper bars N are disconnected to form a fracture. An insulating baffle is fixedly installed on the surface of the insulating plate. Two insulating baffles are arranged in parallel, and the insulating plate is divided into a compartment A and a compartment B, and the copper bars L and copper bars N are separated at the same time. The copper bar L is located in the compartment A, and the copper bar N is located in the compartment B. One side of the insulating plate is fixed A piston tube is installed, and a sliding rod is slidably connected inside the piston tube. A rubber piston is provided at one end of the sliding rod in contact with the piston tube. A circular hole for the sliding rod to pass through is provided in the middle of the insulating baffle. The sliding rod passes through the fracture in the middle of the copper bar L and the copper bar N. A conductive sheet and a strip-shaped ceramic sheet are installed on the sliding rod. There are two groups of the strip-shaped ceramic sheet and the conductive sheet, which are respectively located in the compartment A and the compartment B, and correspond to the fracture in the middle of the copper bar L and the copper bar N respectively. A C-shaped ceramic sheet is symmetrically rotated and connected to the surface of the insulating plate near the fracture of the copper bar L and the copper bar N. One side of the strip-shaped ceramic sheet and the C-shaped ceramic sheet are in a "grid" shape. An air inlet is fixedly installed on one side of the lower part of the distribution box, and a pressure-resistant tube A is connected between the air inlet and the piston tube;

The remote control mechanism includes: an instrument panel, a button, a protective cover, a pressure-resistant chamber, a gas generating module, and a pressure-resistant tube B. A button is fixedly installed on the upper end of the instrument panel, a protective cover is installed on the upper end of the instrument panel and outside the button, a pressure-resistant chamber is fixedly installed on one side of the lower end of the instrument panel, the outer side of the pressure-resistant chamber is connected to the air inlet through the pressure-resistant tube B, and a gas generating module is fixedly installed on the inner side of the pressure-resistant chamber.

In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

1. This type of ship power station high-current switch device is equipped with a gas-driven switch mechanism. When an emergency occurs, the staff can take out the protective cover and press the button. The button will activate the gas generating module and quickly generate gas. The gas passes through the pressure-resistant chamber, pressure-resistant tube B, air inlet, and pressure-resistant tube A to reach the piston tube, and push the sliding rod to move, thereby driving the conductive sheet to move, and then the conductive sheet is out of contact with the break in the middle of the copper bar L and the copper bar N, so that the circuit is disconnected in time, achieving the effect of timely and safely disconnecting the ship power station circuit away from the distribution cabinet.

2. This type of ship power station high-current switch device is equipped with a strip ceramic sheet and a C-shaped ceramic sheet. When the circuit is disconnected, the conductive sheet moves and pushes the C-shaped ceramic sheet to rotate, so that the C-shaped ceramic sheet is between the conductive sheet and the copper bars L and N. The strip ceramic sheet and one side of the C-shaped ceramic sheet are in a "grid" shape, which effectively isolates the arc and achieves the effect of preventing leakage caused by the arc breaking through the air after the circuit is disconnected.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic front cross-sectional view of the utility model;

FIG2 is an enlarged schematic diagram of the circuit path at A in FIG1 of the present invention;

FIG3 is a schematic diagram of an enlarged structure of the circuit breaking at A in FIG1 of the present utility model;

FIG. 4 is a schematic diagram showing the three-dimensional structure of the insulating plate in the present invention.

Markings in the figure: 1. Distribution box; 101. Air inlet; 102. Pressure-resistant tube A; 2. Insulating plate; 201. Copper busbar L; 202. Copper busbar N; 203. Piston tube; 2031. Sliding rod; 2032. Conductive sheet; 2033. Strip ceramic sheet; 204. C-shaped ceramic sheet; 205. Insulating baffle; 3. Instrument panel; 301. Button; 302. Protective cover; 303. Pressure-resistant chamber; 304. Gas generating module; 4. Pressure-resistant tube B; 5. Wiring terminal; 6. Compartment A; 7. Compartment B.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

In the utility model:

1-4, a large current switch device for a ship power station includes a distribution box 1, a switch mechanism is arranged inside the distribution box 1, and the distribution box 1 is equipped with a remote control mechanism;

The switch mechanism includes: an air inlet 101, a pressure-resistant tube A102, an insulating plate 2, a copper bar L201, a copper bar N202, a piston tube 203, a sliding rod 2031, a conductive sheet 2032, a strip ceramic sheet 2033, a C-shaped ceramic sheet 204, an insulating baffle 205, and a terminal 5. The insulating plate 2 is fixedly installed inside the distribution box 1, and the copper bar L201 and the copper bar N202 are fixedly installed on the left and right sides of the surface of the insulating plate 2. The ends of the copper bar L201 and the copper bar N202 are both connected to the terminal 5, and 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 installed on the surface of the insulating plate 2, and the insulating baffle 205 is fixedly installed on the left and right sides of the surface of the insulating plate 2. There are two rows, and the insulating plate 2 is divided 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 located in the compartment A6, and the copper bar N202 is located in the compartment B7. A piston tube 203 is fixedly installed on one side of the insulating plate 2. A sliding rod 2031 is slidably connected inside the piston tube 203. A rubber piston is provided at the end of the sliding rod 2031 that contacts the piston tube 203. When gas enters the piston tube 203, the sliding rod 2031 will be pushed. A circular hole for the sliding rod 2031 to pass through is provided in the middle of the insulating baffle 205. The sliding rod 2031 passes through the middle of the copper bar L201 and the copper bar N202. The conductive sheet 2032 and the strip ceramic sheet 2033 are installed on the sliding rod 2031. There are two groups of the strip ceramic sheet 2033 and the conductive sheet 2032, which are respectively located in the compartment A6 and the compartment B7, and correspond to the fractures in the middle of the copper bar L201 and the copper bar N202. When the circuit is working normally, the 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, and the circuit is in a pass state. The surface of the insulating plate 2 is symmetrically rotated near the fracture of the copper bar L201 and the copper bar N202 and is connected with a C-shaped ceramic sheet 204. The strip ceramic sheet 2033 and one side of the C-shaped ceramic sheet 204 are in a "grid" shape to enhance the arc isolation effect. The distribution box An air inlet 101 is fixedly installed on one side of the lower part, and a pressure-resistant tube A102 is connected between the air inlet 101 and the piston tube 203. When gas is filled from the air inlet 101, the gas will reach the piston tube 203 from the air inlet 101 through the pressure-resistant tube A102, and push the sliding rod 2031 to move, thereby driving the conductive sheet 2032 to move. The conductive sheet 2032 is out of contact with the broken opening in the middle of the copper bar L201 and the copper bar N202, and the circuit is in an open circuit state. When the conductive sheet 2032 moves, it pushes the C-shaped ceramic sheet 204 to rotate, so that the C-shaped ceramic sheet 204 is between the conductive sheet 2032 and the copper bar L201 and the copper bar N202, to prevent leakage due to arc breakdown;

The remote control mechanism includes: an instrument panel 3, a button 301, a protective cover 302, a pressure-resistant chamber 303, a gas generating module 304, and a pressure-resistant tube B4. The button 301 is fixedly installed on the upper end of the instrument panel 3, and the protective cover 302 is installed on the upper end of the instrument panel 3 and outside the button 301. The pressure-resistant chamber 303 is fixedly installed on one side of the lower end of the instrument panel 3. The outer side of the pressure-resistant chamber 303 is connected to the air inlet 101 through the pressure-resistant tube B4, and the gas generating module 304 is fixedly installed on the inner side of the pressure-resistant chamber 303. When an emergency occurs, the protective cover 302 can be taken out and the button 301 can be pressed. The button 301 will activate the gas generating module 304 and quickly generate gas. The gas passes through the pressure-resistant chamber 303, the pressure-resistant tube B4, the air inlet 101, and the pressure-resistant tube A102 to reach the piston tube 203, so that the circuit is disconnected in time.

Furthermore, the gas generating module 304 is connected to the button 301 via a wire.

Working principle: First, when the circuit is working normally, the two sets of conductive sheets 2032 are respectively attached to the broken ends in the middle of the copper busbar L201 and the copper busbar N202, and the circuit is in a connected state. At this time, the ship power station is powered normally; when an emergency occurs, the staff can take out the protective cover 302 and press the button 301. The button 301 will activate the gas generating module 304 and quickly generate gas. The gas passes through the pressure-resistant chamber 303, the pressure-resistant tube B4, the air inlet 101, and the pressure-resistant tube A102 to reach the piston tube 203, and push the sliding rod 2031 to move. The conductive sheet 2032 moves, thereby driving the conductive sheet 2032 to move, and then the conductive sheet 2032 is out of contact with the broken ends in the middle of the copper bars L201 and N202, so that the circuit is disconnected in time to protect the ship power station; while the conductive sheet 2032 moves, it pushes the C-shaped ceramic sheet 204 to rotate, so that the C-shaped ceramic sheet 204 is located between the conductive sheet 2032 and the copper bars L201 and N202, and the strip ceramic sheet 2033 and one side of the C-shaped ceramic sheet 204 are in a "grid" shape, which effectively isolates the arc and prevents leakage caused by the arc breaking through the air.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. A high-current switch device for a ship power station, comprising a distribution box (1), characterized in that: a switch mechanism is arranged inside the distribution box (1), and the distribution box (1) is equipped with a remote control mechanism; The switch mechanism comprises: an air inlet (101), a pressure-resistant tube A (102), an insulating plate (2), a copper bar L (201), a copper bar N (202), a piston tube (203), a sliding rod (2031), a conductive sheet (2032), a strip-shaped ceramic sheet (2033), a C-shaped ceramic sheet (204), an insulating baffle (205), and a connecting terminal (5). The insulating plate (2) is fixedly installed inside the distribution box (1). The copper bar L (201) and the copper bar N (202) are fixedly installed in parallel on the left and right sides of the surface of the insulating plate (2). The ends of the copper bar L (201) and the copper bar N (202) are both connected to the connecting terminal (5), and the middle parts of the copper bar L (201) and the copper bar N (202) are both disconnected to form a fracture. The insulating baffle (205) is fixedly installed on the surface of the insulating plate (2). ), the insulating baffle (205) separates the copper bar L (201) and the copper bar N (202), a piston tube (203) is fixedly installed on one side of the insulating plate (2), a sliding rod (2031) is slidably connected inside the piston tube (203), the sliding rod (2031) passes through the fracture in the middle of the copper bar L (201) and the copper bar N (202), a conductive sheet (2032) and a strip-shaped ceramic sheet (2033) are installed on the sliding rod (2031), a C-shaped ceramic sheet (204) is symmetrically rotatably connected to the surface of the insulating plate (2) near the fracture of the copper bar L (201) and the copper bar N (202), an air inlet (101) is fixedly installed on one side of the lower part of the distribution box (1), and a pressure-resistant tube A (102) is connected between the air inlet (101) and the piston tube (203); The remote control mechanism comprises: an instrument panel (3), a button (301), a protective cover (302), a pressure-resistant chamber (303), a gas generating module (304), and a pressure-resistant pipe B (4); the button (301) is fixedly mounted on the upper end of the instrument panel (3); the protective cover (302) is mounted on the upper end of the instrument panel (3) and outside the button (301); the pressure-resistant chamber (303) is fixedly mounted on one side of the lower end of the instrument panel (3); the outer side of the pressure-resistant chamber (303) is connected to the air inlet (101) via the pressure-resistant pipe B (4); and the gas generating module (304) is fixedly mounted on the inner side of the pressure-resistant chamber (303). 2. The ship power station high-current switch device according to claim 1 is characterized in that: two insulating baffles (205) are arranged in parallel, and the insulating plate (2) is divided into a compartment A (6) and a compartment B (7), the copper busbar L (201) is located in the compartment A (6), and the copper busbar N (202) is located in the compartment B (7), and a circular hole is provided in the middle of the insulating baffle (205) for the sliding rod (2031) to pass through. 3. The high-current switch device for a ship power station according to claim 1, characterized in that one side of the strip-shaped ceramic sheet (2033) and the C-shaped ceramic sheet (204) is in a "grid" shape. 4. The ship power station high current switch device according to claim 1, characterized in that: there are two groups of the strip-shaped ceramic sheets (2033) and the conductive sheets (2032), which are respectively located in the compartment A (6) and the compartment B (7), and correspond to the fractures in the middle of the copper busbar L (201) and the copper busbar N (202). 5. The high-current switch device for a ship power station according to claim 1, characterized in that a rubber piston is provided at the end of the sliding rod (2031) that contacts the piston tube (203).