CN210490455U

CN210490455U - Integral surge protector

Info

Publication number: CN210490455U
Application number: CN201921493038.1U
Authority: CN
Inventors: 罗禄全; 曹安平; 张祥贵
Original assignee: Xiamen Set Electronics Co Ltd
Current assignee: Xiamen Set Electronics Co Ltd
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-05-08
Anticipated expiration: 2029-09-09

Abstract

The utility model relates to an integral surge protector, including the casing, be located the inside a plurality of protector module of group of casing and a cylinder manifold of being made by the conductor, an electrode of each protector module all with an independent first binding post electric connection, the other electrode of all protector modules end all with cylinder manifold lug connection, and make all protector module's second electrode all electric connection together, be provided with second binding post on the cylinder manifold, be provided with the window that corresponds first binding post and second binding post on the casing to a compact structure, small surge protector are provided.

Description

Integral surge protector

Technical Field

The utility model relates to a surge protector field specifically relates to an integral surge protector.

Background

A Surge Protector (SPD) is an electric appliance suitable for protecting the surge of indirect lightning, direct lightning effect or other transient overvoltage, can be used for limiting the transient overvoltage and releasing surge current, and can provide an electronic device for effectively protecting a power supply, electronic equipment, instruments and meters and a communication line. When the protected circuit generates spike surge current or overvoltage due to external interference and induction, the surge protector can be instantly conducted and shunted, and when the energy is right, the surge protector can enable the protected equipment to be separated from the circuit, so that the damage of the surge to the equipment in the protected circuit is avoided. The traditional rail-mounted plug-in surge protector is large in size and is not suitable for scenes with narrow spaces.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an integral surge protector to a compact structure, small surge protector are provided.

The specific scheme is as follows:

the utility model provides an integral surge protector, includes the casing, is located the inside a plurality of protector module of group of casing and one by the cylinder manifold that the conductor was made, an electrode of each protector module all with an independent first binding post electric connection, the other electrode of all protector modules end all with cylinder manifold lug connection, and make all protector module's second electrode all electric connection together, be provided with second binding post on the cylinder manifold, be provided with the window that corresponds first binding post and second binding post on the casing.

Furthermore, the protector module comprises a frame, and a protection assembly and a tripping assembly which are installed on the frame, wherein two electrodes of the protection assembly which are arranged oppositely are respectively defined as a first electrode and a second electrode, the tripping assembly comprises a tripping reed, a sliding block and an elastic piece, one end of the tripping reed is welded and fixed with the first electrode through fusible alloy, the other end of the tripping reed is electrically connected with the first wiring terminal, the sliding block is positioned between the tripping reed and the first electrode, an insulating isolation part which separates the tripping reed from the first electrode is arranged on the sliding block, when the tripping reed is welded and fixed with the first electrode, the elastic piece accumulates potential energy, and when the fusible alloy is fused, the potential energy enables the sliding block to move so that the insulating isolation part separates the tripping reed from the first electrode.

Furthermore, still have a remote signaling circuit board in the casing, the protector module is provided with the instruction pin that is used for monitoring protector module operating condition, and all protector module's instruction pin is connected on the remote signaling circuit board jointly, be equipped with the remote signaling binding post of being connected with all instruction pin electricity on the remote signaling circuit board.

Furthermore, the indication pin is welded on the remote signaling circuit board and is positioned in a gap between two adjacent protection modules.

Furthermore, the indication pin comprises a fixing piece and a sliding piece which can be mutually communicated, the fixing piece is welded on the remote signaling circuit board, the sliding piece is fixedly arranged on the first sliding block, and when the sliding block moves to enable the insulation isolation part to separate the tripping reed from the first electrode, the fixing piece and the sliding piece are electrically disconnected.

Furthermore, the protector comprises a plurality of groups of protector modules, and the plurality of groups of protector modules are arranged side by side in a clinging manner.

Furthermore, the second electrode is provided with an embedding part extending to the outside of the frame, the bus bar is provided with an accommodating part matched with the embedding part, and the embedding part is directly embedded in the accommodating part corresponding to the bus bar.

Further, the protection component is a heat-sensitive protection module or a discharge tube protection module.

Further, the elastic element is a compression spring, and the sliding block is provided with a cavity for partially accommodating the compression spring.

Furthermore, a sliding groove and a guide rail which extend along the moving direction of the sliding block are respectively arranged on the sliding block and the frame.

The utility model provides an integral surge protector compares with prior art and has following advantage: the utility model provides an integral surge protector adopts the mode of each protector module of cylinder manifold lug connection, and shares second binding post between each protector module, has cancelled traditional wire or PCB board connected mode to change into inside lug connection by external connection, reduced unnecessary structure, thereby effectively reduce the volume, satisfy low, miniaturized demand.

Drawings

Fig. 1 shows an exploded view of the integrated surge protector in embodiment 1.

Fig. 2 shows an exploded view of the pressure-sensitive protection module in example 1.

Fig. 3 shows an explosion diagram of the discharge tube protection module in embodiment 1.

Fig. 4 shows a schematic view of a bus bar in embodiment 1.

Fig. 5 shows an exploded view of the integrated surge protector in embodiment 2.

Fig. 6 shows an exploded view of the pressure-sensitive protection module in example 2.

Fig. 7 shows a schematic diagram of an indication pin in embodiment 2.

Detailed Description

To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

The present invention will now be further described with reference to the accompanying drawings and detailed description.

Example 1

As shown in fig. 1-4, the present embodiment provides an integrated surge protector device, which includes a housing 1 and several sets of protector modules 2 located inside the housing.

Wherein, each protector module 2 all has two electrode terminals, wherein an electrode terminal of each protector module 2 all with an independent first binding post electric connection, and another electrode terminal of each protector module 2 all with a confluence plate 3 lug connection, and make all protector module 2's second electrode all electric connection together, and be provided with second binding post 30 on the confluence plate 3, this confluence plate 3 is made by the conductor.

The housing 1 covers all the protector modules 2 and the bus bar 3, and a plurality of first wiring windows 101 corresponding to the first wiring terminals of each group of the protector modules 2 and a plurality of second wiring windows (not visible in the view direction in fig. 1) corresponding to the second wiring terminals are provided on the housing, so that an external circuit can be inserted into the integrated surge protector through the first and second wiring windows.

In this embodiment, the housing 1 includes a housing 10 and a cover plate 11 that cover each other, and the housing 10 and the cover plate 11 cover each other to form a cavity adapted to the protector module. In order to facilitate the assembly between the housing 10 and the cover plate 11, it is preferable that the housing 10 and the cover plate 11 are fixed by a snap-fit manner, for example, a plurality of sets of clamping blocks 110 are formed on the peripheral side of the cover plate 11, and a plurality of sets of bayonets 100 matched with the clamping portions are provided on the housing 10.

This integral surge protector adopts the mode of 3 lug connections of cylinder manifold each protector module, and sharing second binding post 30 between each protector module 2 has cancelled traditional wire or PCB board connected mode to change into inside lug connection by external connection, reduced unnecessary structure, thereby effectively dwindle the volume, satisfy low, miniaturized demand.

In the present embodiment, the integrated surge protector is described by taking as an example that the integrated surge protector has four sets of protector modules 2, but the present invention is not limited thereto, and the number of sets of protector modules may be increased or decreased according to actual needs. In addition, the four sets of protector modules 2 in the present embodiment are described by taking three sets of voltage-sensitive protection modules 20 and one set of discharge tube protection modules 21 as an example, but the present invention is not limited thereto, and the number and combination of the voltage-sensitive protection modules 20 and the discharge tube protection modules 21 may be increased or decreased according to actual needs.

Referring to fig. 2 and 3, the varistor protection module 20 includes a first frame 200, a first electrode 201, a varistor 202, a second electrode 203, a first slider 204, a first elastic member 205, a first trip reed 206, and a first conductive clip assembly 207. The first electrode 201, the piezoresistor 202 and the second electrode 203 form a pressure-sensitive component, and are mounted in the first frame 200 (the first frame 200 has a first mounting cavity 2000 matched with the pressure-sensitive component), the first slider 204 is mounted on the first frame 200 and has a first insulating partition 2040 located between the first trip reed 206 and the first electrode 201, one end of the first trip reed 206 is electrically connected with the first conductive clip component 207, the first conductive clip component 207 serves as a first connection terminal, the other end of the first trip reed 206 is welded and fixed with the first electrode 201 through low-temperature fusible alloy, the first elastic component 205 accumulates potential energy while welding and the potential energy acts on the first slider 204, so that the first insulating partition 2040 of the first slider 204 generates an acting force for separating the first trip reed 206 from the first electrode 201.

When abnormal overvoltage passes through the pressure sensitive component, the pressure sensitive resistor 202 generates heat by itself and conducts the heat to the first electrode 201, so that the low-temperature fusible alloy welded and fixed between the first tripping reed 206 and the first electrode 201 is heated and melted, the first slider 204 trips under the action of the first elastic member 205, and the first insulating partition 2040 of the first slider 204 moves under the action of the first elastic member 205 and is inserted between the first tripping reed 206 and the first electrode 201, so as to interrupt an electric path between the first tripping reed 206 and the first electrode 201. The fusible alloy as used herein generally refers to a metal having a melting point of 300 ℃ or lower and an alloy thereof, and is composed of, for example, low-melting metal elements such as Bi, Sn, Pb, and In, and when these metals are mixed In different proportions (binary, ternary, or quaternary alloys), alloys having different melting points can be obtained.

Referring to fig. 3, the discharge tube protecting module 21 has a structure similar to that of the pressure sensitive protecting module 20, and includes a second frame 210, a third electrode 211, a discharge tube 212, a fourth electrode 213, a second slider 214, a second elastic member 215, a second trip spring 216, and a second conductive clip assembly 217. The third electrode 211, the discharge tube 212, and the fourth electrode 213 form a discharge tube assembly, and are mounted in the second frame 210 (the second frame 210 has a second mounting cavity 2100 matching the discharge tube assembly), the second slider 214 is mounted on the second frame 210 and has an insulating partition 2140 between the second trip reed 216 and the third electrode 211, the second trip reed 216 is electrically connected to the second conductive clip assembly 217, and is welded and fixed to the third electrode 211 through a low temperature fusible alloy, and the second elastic member 215 accumulates potential energy, which acts on the second slider 214 to cause the insulating partition 2140 of the second slider 214 to generate a force separating the second trip reed 216 from the third electrode 211.

When an abnormal overvoltage passes through the discharge tube assembly, the discharge tube 212 itself generates heat and conducts to the third electrode 211, so that the low-temperature fusible alloy welded and fixed by the second trip reed 216 and the third electrode 211 is heated and melted, the second slider 214 trips under the action of the second elastic member 215, and the second insulating partition 2140 of the second slider 214 moves under the action of the second elastic member 215 and is inserted between the second trip reed 216 and the third electrode 211 to interrupt an electric path between the second trip reed 216 and the third electrode 211.

The voltage-sensitive protection module 20 and the discharge tube protection module 21 respectively interrupt the electric path between the tripping reed and the electrode through the insulating partition part of each sliding block, the structure is simple, the implementation is easy, and the insulating partition part also ensures that an enough electric gap exists between the tripping reed and the electrode when the electric path is interrupted, so that the protection modules can be tightly attached and arranged side by side, a large tripping space does not need to be reserved for the tripping reed, and the size of the product can be further reduced.

Preferably, referring to fig. 2 to 4, the second electrode 203 has a first insert portion 2030 extending outside the first frame 200, the fourth electrode 213 has a second insert portion 2130 extending outside the second frame 210, the bus bar 3 has a receiving portion 31 provided to match the first insert portion 2030 and the second insert portion 2130, the first insert portion 2030 and the second insert portion 2130 may be directly inserted into the receiving portion 31 corresponding to the bus bar 3, and the second electrode 203 and the fourth electrode 213 are brought into direct electrical contact with the bus bar 3, so as to facilitate electrical connection between the pressure-sensitive protection module 20 and the discharge tube protection module 21 and the bus bar 3, and also to facilitate reduction in volume of the integrated surge protector.

Preferably, the first elastic member 205 and the second elastic member 215 are both compression springs, the first slider 204 and the second slider 214 respectively have a first cavity 2041 for accommodating a portion of the first elastic member 205 and a second cavity 2141 for accommodating a portion of the second elastic member 215, one end of each compression spring is located in the corresponding cavity and abuts against the bottom end of the cavity, and the other end abuts against the corresponding frame, so as to facilitate the installation of the compression springs, and reduce the volume occupied by the slider and the elastic members, so that the structures of the voltage-sensitive protection module 20 and the discharge tube protection module 21 are more compact, and the volume of the integrated surge protector is reduced.

Preferably, the first sliding block 204 and the second sliding block 214 each have a first sliding groove 2042 and a second sliding groove 2142 extending along the sliding direction thereof, and the first frame 200 and the second frame 210 have a first guide rail 2001 and a second guide rail 2101 respectively disposed in match with the first sliding groove 2042 and the second sliding groove 2142, so as to guide the sliding direction of the first sliding block 204 and the second sliding block 214, so as to ensure the function of blocking the electrical path thereof.

Example 2

This embodiment also provides an integrated surge protector device, which is added with a remote signaling function on the basis of the integrated surge protector device of embodiment 1.

Since the discharge tube protection module 21 is similar to the pressure-sensitive protection module 20 in structure, the present embodiment takes the pressure-sensitive protection module 20 as an example for explanation. Specifically, referring to fig. 5 and fig. 6, the housing 1 of the integrated surge protector in this embodiment further has a remote signaling circuit board 4, the protector module 2 is provided with an indication pin 5 for monitoring the working state of the protector module, the indication pins 5 of all the protector modules 2 are commonly connected to the remote signaling circuit board 4, the remote signaling circuit board 4 is provided with a remote signaling connection terminal 40, and the remote signaling connection terminal 40 can be conveniently connected to an external facility, so as to monitor the working state of the protector module in real time, thereby providing a safe, reliable, and stable protection mode.

Preferably, the indication pin 5 is located in a gap between two adjacent protector modules 2, and the remote signaling circuit board 4 compactly arranges the welding hole position of the remote signaling indication pin 5 by utilizing the movable space on the side surface of the protector module 2, so that the remote signaling circuit board 4 and each protector module 2 are embedded into each other, namely, the positioning protector module 2 can effectively reduce the product space, thereby reducing the volume.

Preferably, the indication pin 5 comprises a fixed part 50 and a sliding part 51 capable of conducting with each other, wherein the fixed part 50 is welded on the remote signaling circuit board 4, and the sliding part is fixed on the first sliding block 204 to move with the first sliding block 204, i.e. the sliding part 51 and the first sliding block 204 are a linkage mechanism connected. When the pressure-sensitive protection module 20 is in a conducting state, the fixed part 50 and the sliding part 51 are in a conducting state, and when the first tripping reed 206 performs a thermal tripping action, the first slider 204 moves, and the sliding part 51 is also disconnected from the fixed part 50 along with the movement of the first slider 204, the loop balance formed between the fixed part 50 and the sliding part 51 is also damaged, a line is disconnected to warn, the state of the protection module is reflected, and at the moment, a remote signaling signal is sent out simultaneously, so that the product condition can be reflected safely, reliably and timely, the indication pin 5 also plays a role of a micro switch, the space occupied by the micro switch can be saved, the product volume is reduced, and the cost of the micro switch is also saved.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. An integral surge protector, characterized in that: including the casing, be located the inside a plurality of protector module of group of casing and one by the cylinder manifold that the conductor was made, an electrode of each protector module all with an independent first binding post electric connection, another electrode of all protector modules all with cylinder manifold lug connection, and make all protector module's second electrode all electric connection together, be provided with second binding post on the cylinder manifold, be provided with the window that corresponds first binding post and second binding post on the casing.

2. An integral surge protector device according to claim 1, wherein: the protector module comprises a frame, a protection assembly and a tripping assembly, wherein the protection assembly and the tripping assembly are installed on the frame, two electrodes, which are oppositely arranged, of the protection assembly are respectively defined as a first electrode and a second electrode, the tripping assembly comprises a tripping reed, a sliding block and an elastic piece, one end of the tripping reed is welded and fixed with the first electrode through fusible alloy, the other end of the tripping reed is electrically connected with a first wiring terminal, the sliding block is located between the tripping reed and the first electrode, an insulating isolation part for isolating the tripping reed from the first electrode is arranged on the sliding block, when the tripping reed is welded and fixed with the first electrode, the elastic piece accumulates potential energy, and when the fusible alloy is fused, the potential energy enables the sliding block to move so that the insulating isolation part isolates the tripping reed from the first electrode.

3. An integral surge protector device according to claim 2, wherein: the shell is internally provided with a remote signaling circuit board, the protector module is provided with indication pins for monitoring the working state of the protector module, the indication pins of all the protector modules are connected to the remote signaling circuit board together, and the remote signaling circuit board is provided with remote signaling wiring terminals electrically connected with all the indication pins.

4. An integral surge protector device according to claim 3, wherein: the indication pin is welded on the remote signaling circuit board and is positioned in a gap between two adjacent protection modules.

5. An integral surge protector device according to claim 4, wherein: the indicating pin comprises a fixing piece and a sliding piece which can be mutually communicated, the fixing piece is welded on the remote signaling circuit board, the sliding piece is fixedly arranged on the first sliding block, and when the sliding block moves to enable the insulating isolation part to separate the tripping reed from the first electrode, the fixing piece and the sliding piece are electrically disconnected.

6. An integral surge protector device according to claim 2, wherein: the protector comprises a plurality of groups of protector modules, and the plurality of groups of protector modules are arranged side by side and tightly attached to each other.

7. An integral surge protector device according to claim 2, wherein: the second electrode has the portion of inlaying that extends to outside the frame, the cylinder manifold have with inlay the portion of holding that the portion phase-match set up, inlay the portion and directly inlay and locate in the corresponding portion of holding of cylinder manifold.

8. An integral surge protector device according to claim 2, wherein: the protection component is a thermosensitive protection module or a discharge tube protection module.

9. An integral surge protector device according to claim 2, wherein: the elastic piece is a compression spring, and the sliding block is provided with a cavity for partially accommodating the compression spring.

10. An integral surge protector device according to claim 2, wherein: and the sliding block and the frame are respectively provided with a sliding groove and a guide rail which extend along the moving direction of the sliding block.