CN212518398U

CN212518398U - Board carries electric surge protector

Info

Publication number: CN212518398U
Application number: CN202021341442.XU
Authority: CN
Inventors: 束静; 钱一帆
Original assignee: Changzhou Chuangjie Lightning Protection Co ltd
Current assignee: Changzhou Chuangjie Lightning Protection Co ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-02-09
Anticipated expiration: 2030-07-10

Abstract

The utility model relates to an overvoltage, lightning protection technical field have solved present surge protector bulky, and the problem that occupation space area and electrical isolation degree are low especially relates to a board-mounted surge protector, including casing, interior lock pin, break away from piece, extension spring, telesignaling switch module, piezoresistor body, shell fragment and reference column, the left side at the casing inside is installed to interior lock pin, be provided with the thermal trip welding point on the interior lock pin, the both sides of lock pin including break away from piece and piezoresistor body set up respectively, the shell fragment sets up on the break away from piece, the thermal trip welding point is formed by electrode and shell fragment welding on the piezoresistor body, the one end fixed mounting of reference column is in the inside of casing. The utility model discloses reached when reducing self volume, can effectively cut off the purpose that electric arc probably appears to reaction sensitivity is high, can satisfy the needs that the power complete machine integrates, miniaturization, power maximize.

Description

Board carries electric surge protector

Technical Field

The utility model relates to an overvoltage, lightning protection technical field especially relate to a board carries surge protector.

Background

With the increasing miniaturization of electronic equipment, the original plug-in (or rail-mounted) surge protector is not more and more suitable for the requirement of the increasingly miniaturized equipment due to large occupied space; such as: in the photovoltaic industry, the original large-scale centralized photovoltaic power generation mode is changed into the distributed photovoltaic power generation mode, a power generation combiner box, an inverter and other equipment provide new challenges for the volume and the cost, the surge protector is developing miniaturization, and the traditional guide rail type mounted surge protector cannot meet the increasingly vigorous technical and business requirements of the industry.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a board carries electric surge protector has solved present surge protector bulky, and occupation space area and electrical isolation degree are low problem, has reached when reducing self volume, can effectively cut off the purpose that electric arc probably appears to reaction sensitivity is high, can satisfy the needs that the power complete machine integrates, miniaturization, power maximize.

(II) technical scheme

In order to realize the technical problem, the utility model provides a following technical scheme: a plate-mounted surge protector comprises a shell, an inner insertion core, a separating piece, a tension spring, a telecommand switch assembly, a piezoresistor body, elastic pieces and a positioning column, wherein the inner insertion core is arranged on the left side inside the shell, a thermal trip welding point is arranged on the inner insertion core, the separating piece and the piezoresistor body are respectively arranged on two sides of the inner insertion core, the elastic pieces are arranged on the separating piece, the thermal trip welding point is formed by welding an electrode on the piezoresistor body and the elastic pieces, one end of the positioning column is fixedly arranged inside the shell, the bottom end of the separating piece is sleeved on the outer surface of the positioning column, the separating piece is rotatably connected with the positioning column, the telecommand switch assembly is fixedly arranged at the bottom of the inner wall of the shell, the bottom of the separating piece is contacted with a metal sheet at the top of the telecommand switch assembly, and, the other end of the tension spring is fixedly connected with the top end of the disengaging part.

Further, the electrode on the piezoresistor body is in a local convex state, and the convex electrode on the piezoresistor body and the release piece are welded to form a low-temperature release point.

Furthermore, the elastic sheet is made of beryllium bronze or phosphor bronze with certain elasticity, and the outer surface of the elastic sheet is subjected to silver plating or tin plating treatment.

Further, the remote signaling switch assembly is composed of a first remote signaling electrode and a second remote signaling electrode, and the second remote signaling electrode is located right above the top of the first remote signaling electrode.

Further, the first remote signaling electrode and the second remote signaling electrode are both made of beryllium bronze or phosphor bronze with certain elasticity, and the outer surfaces of the first remote signaling electrode and the second remote signaling electrode are both subjected to gold electroplating treatment.

(III) advantageous effects

The utility model provides a board carries electric surge protector possesses following beneficial effect:

1. the utility model discloses compact structure, the product volume is less, can satisfy the needs that the power complete machine integrates, miniaturization, power maximize, and the pin can the lug weld on the PCB board to under the prerequisite of guaranteeing that surge protector does not occupy the big space, can effectively cut off the electric arc that probably appears, reach electrical isolation's purpose.

2. The utility model provides a surge protector can reduce the volume relatively in the past by a wide margin, consequently can save a large amount of installation spaces, and its self electrical isolation performance is good simultaneously, and reaction sensitivity is high, can satisfy the user demand in this trade.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a front view of the varistor body of the present invention.

In the figure: 1. a housing; 2. an inner ferrule; 3. a disengaging member; 4. a tension spring; 5. a remote signaling switch assembly; 6. a varistor body; 7. thermally tripping the solder joint; 8. a spring plate; 9. a positioning column; 51. a first remote signalling electrode; 52. a second remote signalling electrode.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a plate-carried surge protector comprises a shell 1, an inner insertion core 2, a separation piece 3, a tension spring 4, a telecommand switch assembly 5, a piezoresistor body 6, an elastic sheet 8 and a positioning column 9, wherein the inner insertion core 2 is arranged on the left side in the shell 1, the inner insertion core 2 is provided with a thermal trip welding point 7, the separation piece 3 and the piezoresistor body 6 are respectively arranged on two sides of the inner insertion core 2, the elastic sheet 8 is arranged on the separation piece 3, the thermal trip welding point 7 is formed by welding an electrode on the piezoresistor body 6 and the elastic sheet 8, when the thermal trip welding point 7 is in a connection state, the lower end of the separation piece 3 is tightly pressed on a second telecommand electrode 52 on the telecommand switch assembly 5, a first telecommand

second telecommand electrodes

51 and 52 on the telecommand switch assembly 5 are in a conduction state under pressure to form a state that a telecommand one end of the positioning column 9 is fixedly arranged in the shell, the bottom cover that breaks away from piece 3 establishes on the surface of reference column 9, breaks away from piece 3 and is connected with reference column 9 rotation, 5 fixed mounting in the bottom of 1 inner wall of casing of remote signalling switch block, the bottom that breaks away from piece 3 contacts with the sheetmetal at 5 tops of remote signalling switch block, and here sheetmetal is second remote signalling electrode 52 promptly, the one end of extension spring 4 and the right side fixed connection of 1 inner wall of casing, the other end of extension spring 4 and the top fixed connection who breaks away from piece 3, the utility model discloses compact structure, the product volume is less, can satisfy the power complete machine and integrate, miniaturize, the needs of power maximize, and the pin can the lug weld on the PCB board to under the prerequisite of guaranteeing that surge protector does not occupy big space, can effectively cut off the electric arc that probably appears, reach electrical isolation's purpose.

The electrode on the piezoresistor body 6 is in a local convex state, the convex electrode on the piezoresistor body 6 and the release piece 3 are welded to form a low-temperature trip point, when the low-temperature welding point is in a separated state, namely the release piece 3 rotates rightwards under the action of the tension spring 4, the low-temperature trip point is isolated between the elastic sheet 8 and the piezoresistor body 6, the electrode of the piezoresistor body 6 and the elastic sheet 8 can be isolated to achieve the function of electrical isolation, so that electric arcs which possibly occur can be effectively isolated, the elastic sheet 8 is made of beryllium bronze or phosphor bronze with certain elasticity, the outer surface of the elastic sheet 8 is subjected to silver plating or tin plating treatment, the remote signaling switch assembly 5 is composed of a first remote signaling electrode 51 and a second remote signaling electrode 52, the second remote signaling electrode 52 is positioned right above the top of the first remote signaling electrode 51, and the first remote signaling electrode 51 and the second remote signaling electrode 52 are both made of beryllium bronze or phosphor bronze with certain elasticity, and the surface of first remote signalling electrode 51 and second remote signalling electrode 52 all is handled through the electrogilding, the utility model provides a surge protector can reduce the volume relatively in the past by a wide margin, consequently can save a large amount of installation space, and its self electrical isolation performance is good simultaneously, and reaction sensitivity is high, can satisfy the user demand in this trade.

In the using process, as the inner inserting core 2 is provided with the thermal trip welding point 7, the thermal trip welding point 7 is formed by welding an electrode on the pressure-sensitive resistor body 6 and the elastic sheet 8, and the other end of the separating piece 3 is sleeved on the positioning column 9 on the inner inserting core 2 to realize rotation, when the thermal trip welding point 7 is in a connecting state, the lower end of the separating piece 3 is tightly pressed on the second remote signaling electrode 52 on the remote signaling switch component 5, the first remote signaling electrode 51 and the second remote signaling electrode 52 on the remote signaling switch component 5 are contacted under pressure and are in a conducting state to form a state that a remote signaling signal is in a communicating state, when the low-temperature welding point is in a separating state, the separating piece 3 rotates rightwards under the action force of the tension spring 4 and is isolated between the elastic sheet 8 and the pressure-sensitive resistor body 6, the electrode of the pressure-sensitive resistor body 6 can be isolated from the elastic sheet 8 to achieve the function, therefore, the electric arc which possibly occurs can be effectively cut off, meanwhile, the bottom end of the separating piece 3 is gradually separated from the second remote signaling electrode 52 to release pressure in the rotating process of the separating piece 3, so that the first remote signaling electrode 51 and the second remote signaling electrode 52 on the remote signaling switch component 5 are in a separated state by utilizing the elasticity of the separating piece, and the signal change of the remote signaling contact from 'on' to 'off' is formed, thereby solving the problems that the existing surge protector is large in size, occupied space area and low in electric isolation degree, achieving the purpose of effectively cutting off the electric arc which possibly occurs while reducing the size of the separating piece, and having high reaction sensitivity, and meeting the requirements of integration, miniaturization and power maximization of the whole power supply.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a board carries electric surge protector, includes casing (1), interior plug (2), breaks away from piece (3), extension spring (4), remote signalling switch module (5), piezoresistor body (6), shell fragment (8) and reference column (9), its characterized in that: the inner insertion core (2) is arranged on the left side inside the shell (1), a thermal trip welding point (7) is arranged on the inner insertion core (2), the separation part (3) and the piezoresistor body (6) are respectively arranged on two sides of the inner insertion core (2), the elastic sheet (8) is arranged on the separation part (3), the thermal trip welding point (7) is formed by welding an electrode on the piezoresistor body (6) and the elastic sheet (8), one end of the positioning column (9) is fixedly arranged inside the shell (1), the bottom end of the separation part (3) is sleeved on the outer surface of the positioning column (9), the separation part (3) is rotatably connected with the positioning column (9), the telecommand switch assembly (5) is fixedly arranged at the bottom of the inner wall of the shell (1), the bottom of the separation part (3) is contacted with a metal sheet at the top of the telecommand switch assembly (5), one end of the tension spring (4) is fixedly connected with the right side of the inner wall of the shell (1), and the other end of the tension spring (4) is fixedly connected with the top end of the separation piece (3).

2. A board-mounted surge protector according to claim 1, characterized in that: the electrode on the piezoresistor body (6) is in a local convex state, and the convex electrode on the piezoresistor body (6) and the release piece (3) are welded to form a low-temperature release point.

3. A board-mounted surge protector according to claim 1, characterized in that: the elastic sheet (8) is made of beryllium bronze or phosphor bronze with certain elasticity, and the outer surface of the elastic sheet (8) is subjected to silver plating or tin plating treatment.

4. A board-mounted surge protector according to claim 1, characterized in that: the remote signaling switch assembly (5) is composed of a first remote signaling electrode (51) and a second remote signaling electrode (52), and the second remote signaling electrode (52) is located right above the top of the first remote signaling electrode (51).

5. A board-mounted surge protector according to claim 4, characterized in that: the first remote signaling electrode (51) and the second remote signaling electrode (52) are both made of beryllium bronze or phosphor bronze with certain elasticity, and the outer surfaces of the first remote signaling electrode (51) and the second remote signaling electrode (52) are all subjected to electrogilding treatment.