T1+T2 type power supply surge protector

Abstract

The utility model provides a T1 + T2 type power supply surge protector, wherein a tripping electrode plate (4) is fixedly arranged on a sliding block (7); the pressure-sensitive element (5) and the sliding block (7) are respectively arranged on two sides of the module inner shell (4); a first electrode plate (8) is attached to one surface, close to the module inner shell (4), of the pressure-sensitive element (5); a second electrode plate (9) is attached to one surface, far away from the module inner shell (4), of the pressure-sensitive element (5); a tripping pin (10) is arranged on the first electrode plate (8); the tripping pin (10) penetrates through the module inner shell (4) and is connected with the tripping electrode plate (6) in a welded mode to form a tripping point, electrical connection can be kept stable under the high-voltage and high-through-flow working conditions, and quick tripping can be achieved after overcurrent and overheat conditions occur.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical protection technical field, concretely relates to a T1+T2 type power surge protector. BACKGROUND

[0002] The power surge protector is also called the power lightning protection device, can protect the electric surge of lightning influence or other instantaneous overvoltage in the power supply system, is widely used in the fields such as electric power industry, communication industry, petroleum chemical industry, building industry, and provides the guarantee for the safe operation of electrical equipment.

[0003] With the diversification development and expansion of application scene, the traditional T2 lightning protection module does not completely satisfy the requirement of application standard, needs to increase the test content of T1 to satisfy the discharge of higher impact energy, and the T1+T2 compatible lightning protection module is more suitable for the current application scene. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the defects of prior art, provides a T1+T2 type power surge protector, and realizes the following technical scheme specifically:

[0005] A T1+T2 type power surge protector, base assembly and multiple plug-in modules are provided, multiple module installation grooves are provided side by side on the base assembly, multiple plug-in modules can be detachably installed in the module installation grooves, wherein, each plug-in module is provided with a module inner shell, a pressure sensitive element, a tripping electrode piece and a sliding block, the tripping electrode piece is fixedly installed on the sliding block, the pressure sensitive element and the sliding block are arranged on the two sides of the module inner shell respectively, a first electrode piece is attached to one side of the pressure sensitive element close to the module inner shell, a second electrode piece is attached to the other side of the pressure sensitive element away from the module inner shell, a tripping pin is arranged on the first electrode piece, the tripping pin penetrates through the module inner shell and is welded to the tripping electrode piece to form a tripping point, the tripping electrode piece is electrically connected to the first pin through a flexible conductor, and the second electrode piece is electrically connected to the second pin.

[0006] Optionally or preferably, a first spring is further included, one end of the first spring is connected to the sliding block, the other end is connected to the module inner shell, so that the sliding block has a horizontal sliding trend, and when the tripping point is tripped, the sliding block moves away from the tripping pin under the action of the first spring, so as to separate the tripping electrode piece from the tripping pin.

[0007] Optionally or preferably, a plug hole is arranged on the tripping pin, a plug piece is arranged on the tripping electrode piece, when the tripping pin and the tripping electrode piece are welded, the plug piece is inserted into the plug hole, and then welded.

[0008] Optionally or preferably, a button, a second spring and a micro switch are further included; the button is movably hung on the bottom of the sliding block and is limited to horizontal movement by the module inner shell; one end of the second spring is connected with the module inner shell and the other end is connected with the button; when the tripping point is tripped, the sliding block moves away, the button is no longer limited by the sliding block, and the button moves downward under the action of the second spring and presses the handle of the micro switch arranged in the module mounting groove.

[0009] Optionally or preferably, a plurality of through holes are arranged on the first electrode sheet and the second electrode sheet.

[0010] Optionally or preferably, the number of the plug-in modules is 2-4.

[0011] Optionally or preferably, the module inner shell is provided with a first guide bone and a second guide bone; the first guide bone cooperates with the sliding block so that the sliding block can only move horizontally; and the second guide bone cooperates with the button so that the button can only move vertically.

[0012] Optionally or preferably, the plug-in module further includes a module outer shell; the module outer shell is arranged at the outermost layer of the plug-in module and covers the module inner shell, the pressure-sensitive element and the sliding block; and an alarm window is arranged at the top of the module outer shell, so that the user can observe whether the sliding block moves or not through the alarm window, thereby judging whether the tripping point is tripped or not.

[0013] Based on the above technical scheme, the T1+T2 type power surge protector provided by the utility model can keep electrical connection stable under high-voltage and high-current conditions and can be tripped quickly after overcurrent and overheating occur. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained from the structures shown in these drawings without creative labor.

[0015] Figure 1 It is a structural schematic view (perspective view) of the utility model;

[0016] Figure 2 It is a structural schematic view of the base assembly in the utility model;

[0017] Figure 3 It is a structural schematic view of the internal structure of the plug-in module in the utility model;

[0018] Figure 4 It is an exploded view of the plug-in module in the utility model;

[0019] Description of the accompanying drawings:

[0020] 1-base assembly, 2-plug-in module, 3-module mounting slot, 4-module inner shell, 5-pressure-sensitive element, 6-trip electrode sheet, 7-sliding block, 8-first electrode sheet, 9-second electrode sheet, 10-trip pin, 11-flexible conductor, 12-first pin, 13-second pin, 14-first spring, 15-button, 16-second spring, 17-micro switch, 201-module shell, 202-alarm window, 401-first guide bone, 402-second guide bone. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. In the absence of conflict, the following embodiments and the features in the embodiments can be combined with each other.

[0022] In a preferred embodiment:

[0023] This embodiment provides a T1+T2 type power surge protector, such as Figures 1-4 As shown, it includes a base assembly 1 and multiple plug-in modules 2; the base assembly 1 is provided with multiple module mounting slots 3 side by side; multiple plug-in modules 2 can be detachably installed in the module mounting slots 3, wherein: each of the plug-in modules 2 is provided with a module inner shell 4, a pressure-sensitive element 5, a tripping electrode sheet 6, and a sliding block 7; the tripping electrode sheet 6 is fixedly mounted on the sliding block 7; the pressure-sensitive element 5 and the sliding block 7 are respectively arranged on both sides of the module inner shell 4; the side of the pressure-sensitive element 5 close to the module inner shell 4 is affixed with a first electrode sheet 8; the side of the pressure-sensitive element 5 away from the module inner shell 4 is affixed with a second electrode sheet 9; the first electrode sheet 8 is provided with a tripping pin 10; the tripping pin 10 passes through the module inner shell 4 and is welded to the tripping electrode sheet 6 to form a tripping point; the tripping electrode sheet 6 is electrically connected to the first pin 12 through a flexible conductor 11; the second electrode sheet 9 is electrically connected to the second pin 13;

[0024] Furthermore, it includes a first spring 14; one end of the first spring 14 is connected to the sliding block 7, and the other end is connected to the module inner shell 4, so that the sliding block 7 has a tendency to slide horizontally; when the trip point is tripped, the sliding block 7 will be moved in a direction away from the trip pin 10 by the action of the first spring 14, thereby driving the trip electrode sheet 6 to separate from the trip pin 10;

[0025] Further, in the embodiment, the trip pin 10 is provided with a socket, and the trip electrode piece 6 is provided with a plug; when the trip pin 10 and the trip electrode piece 6 are welded, the plug is inserted into the socket, and then the welding is performed. The plug-welding structure can increase the welding area in a limited space.

[0026] Further, the button 15, the second spring 16 and the micro switch 17 are further included; the button 15 is movably hung at the bottom of the sliding block 7 and is limited to move horizontally by the module inner shell 4; one end of the second spring 16 is connected with the module inner shell 4, and the other end is connected with the button 15; when the trip point is tripped, the sliding block 7 moves away, the button 15 is no longer limited by the sliding block 7, and the button 15 moves downward under the action of the second spring 16 and presses the trigger of the micro switch 17 arranged in the module mounting groove 3.

[0027] Further, a plurality of through holes are arranged on the first electrode piece 8 and the second electrode piece 9.

[0028] Further, in the embodiment, the number of the plug-in modules 2 is four.

[0029] Further, the module inner shell 4 is provided with the first guide bone 401 and the second guide bone 402; the first guide bone 401 cooperates with the sliding block 7 to enable the sliding block 7 to move horizontally only; and the second guide bone 402 cooperates with the button 15 to enable the button 15 to move vertically only.

[0030] Further, the plug-in module 2 further includes the module outer shell 201; the module outer shell 201 is arranged at the outermost layer of the plug-in module 2 and covers the module inner shell 4, the pressure-sensitive element 5 and the sliding block 7; and the top of the module outer shell 201 is provided with the warning window 202, through which the user can observe whether the sliding block 7 moves, so as to determine whether the trip point is tripped.

[0031] The working principle and the use flow of the embodiment are as follows:

[0032] Before tripping, the T1+T2 type power surge protector is in a normal working state, and the user can see the sliding block 7 from the warning window 202; when overvoltage, overcurrent or overheating occurs, the tin welding connection between the trip pin 10 and the trip electrode piece 6 is disconnected, the trip electrode piece 6 is quickly separated from the trip pin 10 under the driving of the sliding block 7 by the first spring 14, so as to protect the electrical equipment; at this time, the user will not be able to see the sliding block 7 from the warning window 202, so as to determine which plug-in module is faulty.

[0033] The above merely describes preferred embodiments of the present application, and it should be understood that the present application is not limited to the forms disclosed herein, and should not be considered as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the concepts described herein, by the above teachings or related art or knowledge. Any modification and change made by those skilled in the art without departing from the spirit and scope of the present application shall be within the protection scope of the claims of the present application.

Claims

1. A T1+T2 type power surge protector, comprising a base assembly (1) and a plurality of plug-in modules (2); a plurality of module installation slots (3) are provided side by side on the base assembly (1); a plurality of the plug-in modules (2) are detachably installed in the module installation slots (3), characterized in that: Each of the plug-in modules (2) is provided with a module inner shell (4), a pressure sensitive element (5), a tripping electrode sheet (6), and a sliding block (7); the tripping electrode sheet (6) is fixedly installed on the sliding block (7); the pressure sensitive element (5) and the sliding block (7) are respectively arranged on two sides of the module inner shell (4); a first electrode sheet (8) is attached to one side of the pressure sensitive element (5) close to the module inner shell (4); a second electrode sheet (9) is attached to one side of the pressure sensitive element (5) away from the module inner shell (4); a tripping pin (10) is arranged on the first electrode sheet (8); the tripping pin (10) penetrates through the module inner shell (4) and is welded with the tripping electrode sheet (6) to form a tripping point; the tripping electrode sheet (6) is electrically connected with a first pin (12) through a flexible conductor (11); the second electrode sheet (9) is electrically connected with a second pin (13).

2. A T1+T2 power surge protector according to claim 1, characterized in that: Further comprising a first spring (14); one end of the first spring (14) is connected to the sliding block (7), and the other end is connected to the module inner shell (4), so that the sliding block (7) has a horizontal sliding trend; after the tripping point is tripped, the sliding block (7) will move away from the tripping pin (10) under the action of the first spring (14), thereby driving the tripping electrode sheet (6) to separate from the tripping pin (10).

3. A T1+T2 power surge protector according to claim 1, characterized in that: The tripping pin (10) is provided with a hole, and the tripping electrode sheet (6) is provided with a plug; when the tripping pin (10) and the tripping electrode sheet (6) are welded, the plug is inserted into the hole, and then the welding is performed.

4. The T1+T2 power surge protector of claim 1, wherein: Further comprising a button (15), a second spring (16), and a micro switch (17); the button (15) is movably hung at the bottom of the sliding block (7) and is limited to move horizontally by the module inner shell (4); one end of the second spring (16) is connected with the module inner shell (4), and the other end is connected with the button (15); after the tripping point is tripped, the sliding block (7) moves away, the button (15) is no longer limited by the sliding block (7), and the button (15) moves downward under the action of the second spring (16) to press the handle of the micro switch (17) arranged in the module mounting groove (3).

5. A T1+T2 power surge protector according to claim 1, characterized in that: A plurality of through holes are arranged on the first electrode sheet (8) and the second electrode sheet (9).

6. A T1+T2 power surge protector according to claim 1, characterized in that: The number of the plug-in modules (2) is 2-4.

7. A T1+T2 power surge protector according to claim 4, characterized in that: The module inner shell (4) is provided with a first guide bone (401) and a second guide bone (402); the first guide bone (401) cooperates with the sliding block (7) to enable the sliding block (7) to move only horizontally; the second guide bone (402) cooperates with the button (15) to enable the button (15) to move only vertically.

8. A T1+T2 power surge protector according to claim 1, characterized in that: The plug-in module (2) further comprises a module shell (201); the module shell (201) is arranged at the outermost layer of the plug-in module (2) and covers the module inner shell (4), the pressure-sensitive element (5) and the sliding block (7) inside; an alarm window (202) is arranged at the top of the module shell (201), and a user can observe whether the sliding block (7) moves through the alarm window (202), so as to judge whether the tripping point is tripped.

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