Device for quickly replacing interface of exciting transformer

Abstract

The utility model provides an exciting transformer quick replacement interface device, which comprises a first interface seat and a second interface seat, a terminal strip is positioned in a terminal strip clamping groove and enables the first interface seat to be connected with the second interface seat, an overturning connecting part is arranged on the side of the top end of the second interface seat, a limiting cross rod is arranged at one end of the overturning connecting part, and a limiting rod is arranged at the other end of the overturning connecting part. A connecting plug is arranged at one end of the limiting transverse rod, a limiting hole is formed in the top end of the first interface base, and the connecting plug is connected with the limiting hole in an inserted mode. The turnover connecting part is arranged on the side of the top end of the second interface seat, the limiting cross rod is arranged at one end of the turnover connecting part, the connecting plug is arranged at one end of the limiting cross rod, the limiting hole is formed in the top end of the first interface seat, and the connecting plug is connected with the limiting hole in an inserted mode, so that a good limiting effect is achieved; therefore, the first interface seat and the second interface seat have good connection stability in the connection process, and the separation and falling phenomena are avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of excitation transformer, and relates to a quick replacement interface device of excitation transformer. BACKGROUND

[0002] The excitation transformer is a device specially providing three-phase AC excitation power supply for the excitation system of the generator. The excitation system converts the three-phase power supply into the DC power supply of the generator rotor through the thyristor, forms the excitation magnetic field of the generator, and adjusts the triggering angle of the thyristor through the excitation system to achieve the purpose of adjusting the terminal voltage and the reactive power of the motor.

[0003] In the prior art, in order to connect the circuit, the power supply interface device is arranged above the excitation transformer to facilitate quick connection of the power supply plug. However, the interface device cannot ensure the stability of the connection during the connection of the power supply, and the loosening phenomenon is prone to occur. Therefore, the utility model discloses a quick replacement interface device of excitation transformer. SUMMARY

[0004] The utility model discloses a quick replacement interface device of excitation transformer, which can solve the problems in the background art.

[0005] The utility model discloses a quick replacement interface device of excitation transformer, which can solve the problems in the background art.

[0006] The utility model discloses a quick replacement interface device of excitation transformer, which can solve the problems in the background art.

[0007] The utility model discloses a quick replacement interface device of excitation transformer, which can solve the problems in the background art.

[0008] The first interface seat is provided with a joint connecting guide seat on one side, and a sealing ring is arranged in the joint connecting guide seat.

[0009] In the quick replacement interface device for the excitation transformer, the insulating limiting strip is in contact with the terminal seat.

[0010] In the quick replacement interface device for the excitation transformer, the bottom end of the limiting cross rod is provided with a beveled surface.

[0011] Compared with the prior art, the quick replacement interface device for the excitation transformer has the following advantages: the top end side of the second interface seat is provided with a turnover connecting part, one end of the turnover connecting part is provided with a limiting cross rod, one end of the limiting cross rod is provided with a connecting plug, the top end of the first interface seat is provided with a limiting hole, the connecting plug is inserted and connected with the limiting hole, and the first interface seat and the second interface seat have good connection stability during the connection process, and the separation and falling off phenomenon is avoided; the terminal strip limiting assembly is provided, the terminal strip limiting assembly comprises an insulating limiting strip, a limiting baffle and a movable rod, the side of the limiting baffle is connected with the second interface seat through a connecting rod, the movable rod is located at the center of the limiting baffle, one end of the movable rod is connected with the insulating limiting strip, the insulating limiting strip passes through the second interface seat and corresponds to the terminal strip clamping groove, the terminal strip located on the terminal strip clamping groove can be limited, the stability of the connection between the terminal strip clamping groove and the terminal strip is improved, and the poor contact caused by loose contact is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a perspective structural schematic view of the quick replacement interface device for the excitation transformer.

[0013] Figure 2 is an exploded structural schematic view of the quick replacement interface device for the excitation transformer Figure 1 .

[0014] Figure 3 is a perspective structural schematic view of the second interface seat of the quick replacement interface device for the excitation transformer.

[0015] In the figure, 1 is a first interface seat, 2 is a second interface seat, 3 is a turnover connecting part, 4 is a limiting cross rod, 5 is a connecting plug, 6 is a beveled surface, 7 is a joint connecting guide seat, 8 is a sealing ring, 9 is a limiting hole, 10 is a terminal connecting piece, 11 is a terminal strip, 12 is a terminal seat, 13 is a terminal strip clamping groove, 14 is an insulating limiting strip, 15 is a limiting baffle, 16 is a movable rod, 17 is a pulling strip, and 18 is a connecting rod. DETAILED DESCRIPTION

[0016] The utility model discloses a specific embodiment as follows and further describes the technical scheme of the utility model in connection with the drawings, but the utility model is not limited to these embodiments.

[0017] As Figure 1 , Figure 2 and Figure 3 The utility model discloses a kind of quick replacement interface devices of excitation transformer;

[0018] Embodiment: interface device includes first interface seat 1 and second interface seat 2, the side of first interface seat 1 is provided with terminal connecting sheet 10, one end of terminal connecting sheet 10 is provided with terminal strip 11, the inner side of second interface seat 2 is provided with terminal seat 12, the top of terminal seat 12 is provided with terminal strip clamping groove 13, terminal strip 11 is located inside terminal strip clamping groove 13 and makes first interface seat 1 and second interface seat 2 connect, the top side of second interface seat 2 is provided with turnover connecting portion 3, one end of turnover connecting portion 3 is provided with limit cross bar 4, one end of limit cross bar 4 is provided with connecting plug 5, the top of first interface seat 1 is provided with limit hole 9, connecting plug 5 is insertedly connected with limit hole 9.

[0019] Second embodiment: interface device further includes terminal strip limiting component, terminal strip limiting component includes insulating limit strip 14, limit baffle 15 and movable rod 16, the side portion of limit baffle 15 is connected with second interface seat 2 through connecting rod 18, movable rod 16 is located at the center of limit baffle 15, and one end of movable rod 16 is connected with insulating limit strip 14, insulating limit strip 14 passes through second interface seat 2 and corresponds with terminal strip clamping groove 13;Terminal strip limiting component further includes pull strip 17, pull strip 17 is located at the top of movable rod 16, and the pull distance of pull strip 17 is less than the length of connecting rod 18.The setting of this component can limit terminal strip 11 located on terminal strip clamping groove 13, can improve the stability that terminal strip clamping groove 13 is connected with terminal strip 11, avoids that contact is loose and causes contact to be bad.

[0020] In the embodiment, in order to better connect circuit terminal, the side of first interface seat 1 is provided with joint connecting guide base 7, and sealing ring 8 is mounted in the inside of joint connecting guide base 7.

[0021] In the embodiment, in order to better open and close limit cross bar 4, the bottom of limit cross bar 4 is provided with bevel face 6.

[0022] Working principle: the interface device comprises a first interface seat 1 and a second interface seat 2, the second interface seat 2 is installed at the power supply port part of the excitation transformer, the first interface seat 1 is connected with the guide seat 7 and the sealing ring 8 through the joint, and the circuit terminal is connected with the terminal strip 11 in the terminal strip clamping groove 13, so that the first interface seat 1 and the second interface seat 2 are connected, the connecting plug 5 at one end of the limiting cross rod 4 is connected with the limiting hole 9, so that the first interface seat 1 and the second interface seat 2 have good connection stability during the connection process, and the separation and falling off phenomenon is avoided;

[0023] By pulling the pull strip 17 on the sliding movable rod 16, the insulation limiting strip 14 passes through the second interface seat 2 and corresponds with the terminal strip clamping groove 13, so that the terminal strip 11 on the terminal strip clamping groove 13 can be limited, the stability of the connection between the terminal strip clamping groove 13 and the terminal strip 11 can be improved, and the poor contact caused by loose contact is avoided.

[0024] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art. The specific embodiments described in the specification are only illustrative of the spirit of the utility model. The person skilled in the art to which the utility model belongs can make various modifications or supplements to the specific embodiments described or replace them with similar ways, but will not deviate from the spirit of the utility model or exceed the range defined by the appended claims.

Claims

1. A quick-change interface device for an excitation transformer, comprising a first interface seat (1) and a second interface seat (2), characterized in that: A terminal connecting piece (10) is provided on one side of the first interface seat (1), and a terminal strip (11) is provided at one end of the terminal connecting piece (10). A terminal seat (12) is provided on the inner side of the second interface seat (2), and a terminal strip clamping groove (13) is provided at the top of the terminal seat (12). The terminal strip (11) is located inside the terminal strip clamping groove (13) and connects the first interface seat (1) and the second interface seat (2). A flip connection part (3) is provided on the top side of the second interface seat (2), and a limiting cross bar (4) is provided at one end of the flip connection part (3), and a connecting plug (5) is provided at one end of the limiting cross bar (4). A limiting hole (9) is provided at the top of the first interface seat (1), and the connecting plug (5) is plug-connected with the limiting hole (9).

2. The excitation transformer quick replacement interface device according to claim 1, characterized in that: The invention also includes a terminal strip limiting assembly, wherein the terminal strip limiting assembly includes an insulating limiting strip (14), a limiting baffle (15) and a movable rod (16). The side of the limiting baffle (15) is connected to the second interface seat (2) through a connecting rod (18), the movable rod (16) is located at the center of the limiting baffle (15) and one end of the movable rod (16) is connected to the insulating limiting strip (14), and the insulating limiting strip (14) passes through the second interface seat (2) and corresponds to the terminal strip clamping groove (13).

3. The excitation transformer quick replacement interface device according to claim 2, characterized in that: The terminal strip limiting assembly further comprises a pulling strip (17), the pulling strip (17) being located at the top end of the movable rod (16), and the pulling distance of the pulling strip (17) being smaller than the length of the connecting rod (18).

4. The excitation transformer quick replacement interface device according to claim 1, characterized in that: A joint connection guide seat (7) is provided on one side of the first interface seat (1), and a sealing ring (8) is installed inside the joint connection guide seat (7).

5. The excitation transformer quick replacement interface device according to claim 2, characterized in that: The insulating limit strip (14) is in contact with and connected to the terminal seat (12).

6. The excitation transformer quick replacement interface device according to claim 1, characterized in that: The bottom end of the limiting cross bar (4) is provided with a bevel surface (6).

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