CN209805416U - Pluggable lightning protection module of surge protection device - Google Patents

Abstract

The utility model provides a surge protection device's pluggable lightning protection module, including surge protection device, still include lightning protection module, lightning protection module has the terminal seat, still includes binding post, binding post fixed assembly just is connected rather than the electricity on surge protection device, lightning protection module passes through terminal seat and binding post grafting circular telegram, binding post is last to be equipped with to prevent that terminal seat and binding post cooperation are not hard up to compress tightly the piece, and this product realizes circuit protection through setting up an independent lightning protection module, through terminal seat and binding post grafting circular telegram, and its simple structure, the plug is convenient, is convenient for change, and the plug is effectual moreover, and is difficult not hard up, and is very practical.

Description

Pluggable lightning protection module of surge protection device

Technical Field

The utility model relates to a leakage protector's protection accessory, in particular to surge protection device's pluggable lightning protection module.

Background

Surge protector is present comparatively common circuit protection device, protects indirect thunder and direct thunder influence or the surge of other instantaneous overvoltages, and the lightning protection module among the current surge protection device all sets up inside surge protector, damages the back, and it is troublesome to change, inconvenient maintenance, has the defect, consequently needs a surge protection device's pluggable lightning protection module just can solve these problems.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an use pluggable lightning protection module on surge protection device, its simple structure, the plug is convenient, is convenient for change.

In order to realize the purpose, the utility model adopts the technical scheme that: the utility model provides a surge protection device's pluggable lightning protection module, includes surge protection device, still includes the lightning protection module, and the lightning protection module has the terminal block, still includes binding post, binding post fixed assembly just is connected rather than the electricity on surge protection device, the lightning protection module passes through the terminal block and the circular telegram of binding post grafting, binding post is last to be equipped with and to prevent that terminal block and binding post cooperation are not hard up to compress tightly the piece.

The utility model has the advantages that: the utility model provides a surge protection device's pluggable lightning protection module, this product realize circuit protection through terminal seat and binding post grafting circular telegram through setting up an independent lightning protection module, its simple structure, the plug is convenient, is convenient for change, and the plug is effectual moreover, is difficult not hard up, and is very practical.

Drawings

Fig. 1 is a schematic view of the matching structure of the lightning protection module and the surge protection device of the present invention;

Fig. 2 is an exploded view of the lightning protection module and the surge protection device of the present invention;

Fig. 3 is an exploded view of the connection terminal and the surge protection device of the present invention;

Fig. 4 is a schematic structural view of the connection terminal of the present invention;

Fig. 5 is a schematic view of the lightning protection module according to the present invention.

Detailed Description

As shown in fig. 1 to 5, in order to realize the plug-in structure of the surge protection device 100 and the lightning protection module 200, the surge protection device 100 in this embodiment is a surge protector, the present embodiment provides a plug-in lightning protection module of the surge protection device, which includes the surge protection device 100 and the lightning protection module 200, the lightning protection module 200 has a terminal base 300 and a connection terminal 400, the connection terminal 400 is fixedly assembled on the surge protection device 100 and electrically connected with the surge protection device, the lightning protection module 200 is plugged into the connection terminal 400 through the terminal base 300 for power on, the connection terminal 400 is provided with a pressing member 500 for preventing the terminal base 300 from being loosely matched with the connection terminal 400, the product realizes circuit protection by setting an independent lightning protection module 200 and plugging into the connection terminal 400 through the terminal base 300, and has simple structure, convenient plug-in and replacement, and the plugging effect is good, the looseness is not easy to occur, and the plugging device is very practical.

In order to improve the splicing stability of the wiring terminal 400 and the terminal block 300, the wiring terminal 400 is provided with a fixing part 410 and an inserting part 420, a step is arranged between the fixing part 410 and the inserting part 420, one end of the pressing piece 500 is fixed with the fixing part 410 to form an integrated structure, the lower surface of the other end of the pressing piece 500 and the upper surface of the inserting part 420 form a gap for the terminal block 300 to be inserted, the lower surface of the pressing piece 500 is parallel to the upper surface of the inserting part 420, and the splicing effect of the terminal block 300 and the wiring terminal 400 is more stable by increasing the pressing piece 500.

in order to prevent the looseness of the wiring terminal 400 after the insertion with the terminal block 300, after the insertion part 420 of the wiring terminal 400 is inserted into the terminal block 300, the outer surface of the terminal block 300 and the fixing part 410 are in the same horizontal plane, the lower surface of the pressing piece 500 is in contact with the outer surface of the terminal block 300, the terminal block 300 is pressed through the pressing piece 500, the looseness is not prone to occurring, and the stable assembling effect is improved.

In order to improve the stability brought by the pressing piece 500, the pressing piece 500 comprises a first pressing piece and a second pressing piece, the first pressing piece and the second pressing piece are correspondingly arranged on the fixing portion 410 of the wiring terminal 400, and the two pressing pieces 500 are divided into two stress points to be in contact with the terminal block 300, so that the stability is improved.

In order to realize the plug structure of the lightning protection module 200, the wiring terminal 400 is fixedly assembled on the surge protection device 100 through the mounting plate 430, the two ends of the mounting plate 430 are fixed on the surge protection device 100 through screws, the fixing part 410 of the wiring terminal 400 is fixed on the mounting plate 430 through soldering, the lightning protection module 200 is arranged into an independent component, the protection circuit effect is achieved through the insertion and the electrification of the wiring terminal 400, therefore, the wiring terminal 400 is required to be fixed on the surge protection device 100, the structure is simple through the assembly of the mounting plate 430, and the installation stability is good.

In order to realize the plug and unplug replacement of the lightning protection module 200, the lightning protection module 200 is provided as a separate component, the lightning protection module 200 includes a module box 210, a circuit board 220 and a cover 230, the module box 210 has a cavity for accommodating the circuit board 220, the circuit board 220 is disposed in the cavity of the module box 210 and fixedly assembled with the module box 210 through the cover 230, the terminal block 300 is fixed on one side of the circuit board 220 far away from the module box 210, and the part of the cover 230 corresponding to the terminal block 300 is provided with a notch for the terminal block 300 to pass through; the edge that circuit board 220 is close to module box 210 one side is equipped with fault signal interface 221, correspondingly, module box 210 is equipped with the opening that supplies fault signal interface 221 to expose, the position that the closing cap 230 corresponds the opening is equipped with the arch 231 that is used for pushing down fault signal interface 221, module box 210 lateral wall surface, fault signal interface 221 surface and arch 231 surface are in same horizontal plane, and lightning protection module 200 overall structure is simple, and the assembly is stable, and the security is high, is convenient for change.

In order to release and relieve the protection effect on the surge circuit generated in the circuit, the circuit board 220 is electrically connected with a safety capacitor 222, a piezoresistor 223 and a signal lamp 224, and the surge current in the circuit is released and relieved through the safety capacitor 222 and the piezoresistor 223.

The module box 210 has a through hole 211 for the signal lamp 224 to emit light, and the signal lamp 224 plays a role in prompting and is used for displaying the working state of the lightning protection module 200.

The circuit board 220 comprises a main circuit and three branches, each branch is formed by connecting a safety capacitor 222, a piezoresistor 223 and a signal lamp 224 in series, the three branches are connected with the main circuit in parallel, the main circuit is formed by connecting a wiring terminal 400, a terminal base 300 and a fault signal interface 221 in series, and by arranging the three branches, surge current in the circuit is reduced and released.

At least four screw installation seats are arranged in the module box 210, holes for screws to pass through are arranged at the positions of the circuit board 220 corresponding to the screw installation seats, screw holes are arranged at the positions of the cover 230 corresponding to the screw installation seats, the cover 230 passes through the screw holes and passes through the holes of the circuit board 220 to be assembled and fixed with the screw installation seats of the module box 210 in a threaded manner through the screws, the assembly structure of the lightning protection module 200 is not limited to the screw holes, and the assembly structure is a scheme which is simple in structure and easy to implement.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that simple modifications and substitutions by those skilled in the art are within the scope of the present invention without departing from the spirit and scope of the present invention.

Claims (10)

1. The utility model provides a pluggable lightning protection module of surge protection device, includes surge protection device, its characterized in that still includes the lightning protection module, and the lightning protection module has the terminal seat, still includes binding post, binding post fixed assembly just is connected rather than the electricity on surge protection device, the lightning protection module passes through the terminal seat and pegs graft the circular telegram with binding post, binding post is last to be equipped with and to prevent the terminal seat and not hard up compressing tightly the piece with binding post cooperation.

2. The pluggable lightning protection module of a surge protection device according to claim 1, wherein the terminal block has a fixing portion and an insertion portion, a step is formed between the fixing portion and the insertion portion, one end of the pressing member is fixed to the fixing portion in an integrated structure, a gap for the terminal block to be inserted is formed between a lower surface of the other end of the pressing member and an upper surface of the insertion portion, and the lower surface of the pressing member and the upper surface of the insertion portion are parallel to each other.

3. The pluggable lightning protection module of a surge protection device according to claim 2, wherein after the insertion portion of the terminal is inserted into the terminal holder, the outer surface of the terminal holder is located at the same level as the fixing portion, and the lower surface of the pressing member contacts with the outer surface of the terminal holder.

4. The pluggable lightning protection module of a surge protection device according to any of claims 1 to 3, wherein the pressing member comprises a first pressing member and a second pressing member, and the first pressing member and the second pressing member are correspondingly disposed on the fixing portion of the terminal.

5. The pluggable lightning protection module of a surge protection device according to claim 2 or 3, wherein the connection terminal is fixedly assembled on the surge protection device through a mounting plate, two ends of the mounting plate are fixed on the surge protection device through screws, and the fixing portion of the connection terminal is fixed on the mounting plate through soldering.

6. The pluggable lightning protection module of a surge protection device according to claim 1, wherein the lightning protection module comprises a module case, a circuit board and a cover, the module case has a cavity for accommodating the circuit board, the circuit board is disposed in the cavity of the module case and fixedly assembled with the module case through the cover, the terminal block is fixed on a side of the circuit board away from the module case, and a portion of the cover corresponding to the terminal block is provided with a notch for the terminal block to pass through; the edge of the circuit board close to one side of the module box is provided with a fault signal interface, correspondingly, the module box is provided with an opening for exposing the fault signal interface, a bulge for pressing the fault signal interface is arranged at the position of the sealing cover corresponding to the opening, and the side wall surface of the module box, the surface of the fault signal interface and the surface of the bulge are positioned on the same horizontal plane.

7. the pluggable lightning protection module of a surge protection device according to claim 6, wherein the circuit board is electrically connected with a safety capacitor, a voltage dependent resistor and a signal lamp.

8. The pluggable lightning protection module of claim 6, wherein the side wall of the module case is provided with a through hole for signal lamp light to exit.

9. The pluggable lightning protection module of a surge protection device according to claim 7, wherein the circuit board comprises a main circuit and three branches, each branch comprising a safety capacitor, a varistor and a signal lamp connected in series, the three branches being connected in parallel with the main circuit, the main circuit comprising terminals and terminal blocks and a fault signal interface connected in series.

10. The pluggable lightning protection module of claim 6, wherein at least four screw mounting seats are disposed in the module case, holes for screws to pass through are disposed at positions of the circuit board corresponding to the screw mounting seats, screw holes are disposed at positions of the cover corresponding to the screw mounting seats, and the cover is screwed and fixed to the screw mounting seats of the module case by screws passing through the screw holes and through the holes of the circuit board.