Novel grounding-free lightning protection device

Abstract

The utility model discloses a novel grounding-free lightning protection device, which belongs to the technical field of lightning protection devices and comprises a mounting seat, four wiring grooves are arranged at the upper end of the mounting seat, four fixing bolts are in threaded connection with the inner surface of the mounting seat, and four connecting grooves are arranged on the upper wall and the lower wall of an inner cavity of the mounting seat. The inner surfaces of the plurality of connecting grooves are jointly connected with two lightning protection structures in a sliding manner, the inner surface of the mounting seat is fixedly connected with a grounding terminal, the inner surface of the grounding terminal is fixedly connected with a connection-free structure, and the rear end of the mounting seat is fixedly connected with a connecting buckle. The metal clamping block and the rubber clamping block are adopted to quickly clamp and fix the grounding busbar of the distribution box, manual grounding is not needed, the ground wire wiring step of a traditional lightning protection device is omitted, the installation process is remarkably simplified, the installation efficiency of the lightning protection device is improved, the grounding wire-free function can be achieved, and the practicability of the lightning protection device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lightning protection device technical field, more specifically, relate to a novel grounding-free lightning protection device. BACKGROUND

[0002] Surge protector, also called lightning protection device, is a kind of electronic device for providing safety protection for various electronic equipment, instruments, communication lines, when the electric circuit or communication line suddenly generates peak current or voltage because of external interference, surge protector can be in extremely short time and flow, thereby avoiding the damage of surge to other equipment in loop.

[0003] Chinese patent authorization announcement No. CN209119802U provides a kind of novel lightning protection device, the lightning protection device in the shell is automatically separated from power grid when overcurrent overheating or breakdown failure, while warning light is lit, it is convenient to observe and replace, ensure normal use, lightning protection device is embedded in upper pin hole by elastic component, when lightning protection device normal work, one end of connecting column is embedded in upper pin hole, when lightning protection device fuse, one end of connecting column is embedded in lower pin hole, to reduce the volume of entire lightning protection device, it brings great convenience to later installation, but there are following defects in specific implementation process: the lightning protection device is installed and used, electrician needs to manually install ground wire, and ground wire is connected with the grounding busbar of distribution box, it is more tedious, reduce the installation efficiency of lightning protection device.

[0004] Therefore, aiming at the above problems, a novel grounding-free lightning protection device is provided. UTILITY MODEL CONTENT

[0005] 1. Technical problem to be solved

[0006] In view of the problems in the prior art, the purpose of the utility model is to provide a novel grounding-free lightning protection device, which can realize the function of grounding-free.

[0007] 2. Technical scheme

[0008] To solve the above problems, the utility model adopts the following technical scheme.

[0009] The utility model provides a new type groundless lightning protection device, including the mounting seat, four wiring slots are set up in the mounting seat upper end, four fixed bolts are connected with the mounting seat inner surface threadedly, four connecting grooves are set up in the mounting seat inner chamber upper and lower two walls, two lightning protection structures are connected with the connecting groove inner surface jointly and slidably, the ground terminal is fixedly connected with the mounting seat inner surface, the groundless structure is fixedly connected with the ground terminal inner surface, the connecting buckle is fixedly connected with the mounting seat rear end, the groundless structure includes the connecting wire, the metal clamp block is fixedly connected with the connecting wire lower end, the insulating clamp plate no.

[0010] Further, the lightning protection structure includes a lightning protection module, the lightning protection module upper and lower ends are fixedly connected with metal connecting strips, the lightning protection module upper and lower ends are fixedly connected with clamping strips, the lightning protection module inner cavity is fixedly connected with an indication window.

[0011] Further, the reset assembly includes a first connecting plate, an arc-shaped tube is fixedly connected to the upper end of the first connecting plate, a sliding piece is slidably connected to the inner surface of the arc-shaped tube, an arc-shaped spring is fixedly connected to one end of the sliding piece close to the first connecting plate, the lower end of the arc-shaped spring is fixedly connected to the upper end of the first connecting plate, a slide rod is fixedly connected to one end of the sliding piece away from the first connecting plate, and a second connecting plate is fixedly connected to the end of the slide rod away from the sliding piece.

[0012] Further, the outer surfaces of the two metal connecting strips are slidably connected to the inner surfaces of the two connecting grooves, and the outer surfaces of the two clamping strips are slidably connected to the inner surfaces of the two connecting grooves.

[0013] Further, the outer surface of the connecting wire is fixedly connected to the inner surface of the ground terminal.

[0014] Further, the outer surfaces of the two first connecting plates are fixedly connected to the inner surface of the second insulating clamp plate, and the outer surfaces of the two second connecting plates are fixedly connected to the inner surface of the first insulating clamp plate.

[0015] 3. Beneficial effects

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] The utility model discloses a lightning protection device, including installation seat, wiring groove, fixed bolt, connecting groove, lightning protection structure, ground terminal and free connection structure, its installation seat is provided with the wiring groove, and the fixed bolt is arranged on the wiring groove, and the connecting groove is arranged on the wiring groove, and the lightning protection structure is arranged on the connecting groove, and the ground terminal is arranged on the lightning protection structure, and the free connection structure is arranged on the lightning protection structure. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is whole structure schematic diagram of the utility model;

[0019] Figure 2 It is another view whole structure schematic diagram of the utility model;

[0020] Figure 3 It is lightning protection structure schematic diagram of the utility model;

[0021] Figure 4 It is free connection structure schematic diagram of the utility model;

[0022] Figure 5 It is reset component schematic diagram of the utility model.

[0023] Mark explanation in drawing:

[0024] 1, installation seat, 2, wiring groove, 3, fixed bolt, 4, connecting groove, 5, lightning protection structure, 51, lightning protection module, 52, metal contact, 53, clamping strip, 54, indication window, 6, ground terminal, 7, free connection structure, 71, connecting wire, 72, metal clamp block, 73, insulating clamp plate one, 74, rotating shaft, 75, insulating clamp plate two, 76, rubber clamp block, 77, reset component, 771, connecting plate one, 772, arc tube, 773, sliding sheet, 774, arc spring, 775, sliding rod, 776, connecting plate two, 8, connecting buckle. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model;Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor are within the protection scope of the utility model.

[0026] In the description of the utility model, it is necessary to explain that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the utility model, it is necessary to explain that, unless otherwise expressly provided and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected", which can be fixedly connected, can also be detachably connected, or integrally connected; can be mechanically connected, can also be electrically connected; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0028] Embodiment:

[0029] Please refer to Figures 1-5 A novel grounding-free lightning protection device, including the mounting seat 1, the mounting seat 1 upper end is provided with four wiring grooves 2, the mounting seat 1 inner surface is screwed with four fixed bolts 3, the mounting seat 1 inner chamber upper and lower two walls are provided with four connecting grooves 4, the connecting groove 4 inner surface is slidably connected with two lightning protection structures 5, the mounting seat 1 inner surface is fixedly connected with the grounding terminal 6, the grounding terminal 6 inner surface is fixedly connected with the grounding-free structure 7, the mounting seat 1 rear end is fixedly connected with the connecting buckle 8, the grounding-free structure 7 includes connecting wire 71, the connecting wire 71 outer surface is fixedly connected with the grounding terminal 6 inner surface, the connecting wire 71 lower end is fixedly connected with metal clamp block 72, the metal clamp block 72 outer surface is fixedly connected with insulating clamp plate one 73, the insulating clamp plate one 73 inner surface is rotatably connected with rotating shaft 74, the rotating shaft 74 outer surface is rotatably connected with insulating clamp plate two 75, the insulating clamp plate two 75 inner surface is fixedly connected with rubber clamp block 76, the insulating clamp plate one 73 inner surface and the insulating clamp plate two 75 inner surface are fixedly connected with two reset components 77.

[0030] The lightning protection structure 5 can be quickly connected with the mounting seat 1 through the connecting grooves 4, and different numbers of lightning protection structures 5 can be selected for use according to the circuit requirements of lightning protection in use, so that various circuit use requirements are met, the lightning protection device and the relay can be quickly connected through the cooperation of the four wiring grooves 2 and the four fixing bolts 3, the mounting seat 1 can be quickly fixed on the mounting strip in the distribution box through the action of the connecting buckle 8, and the grounding terminal 6 is matched with the free connection structure 7, so that the electrician does not need to connect the ground wire on site when using the lightning protection device, only needs to clamp the free connection structure 7 on the grounding busbar of the distribution box, and the purpose of free grounding wire is achieved, and the installation efficiency of the lightning protection device is improved.

[0031] Please refer to Figures 2-3 , the lightning protection structure 5 includes a lightning protection module 51, metal connecting strips 52 are fixedly connected to the upper and lower ends of the lightning protection module 51, the outer surfaces of the two metal connecting strips 52 are respectively and slidably connected with the inner surfaces of the two connecting grooves 4, clamping pieces 53 are fixedly connected to the upper and lower ends of the lightning protection module 51, the outer surfaces of the two clamping pieces 53 are respectively and slidably connected with the inner surfaces of the two connecting grooves 4, and an indication window 54 is fixedly connected in the inner cavity of the lightning protection module 51.

[0032] According to the type of circuit, the number of lightning protection modules 51 is selected (for example, three for three-phase power), the metal connecting strips 52 and the clamping pieces 53 are aligned with the connecting grooves 4 of the mounting seat 1 and are inserted, and the clamping pieces 53 are completely embedded in the connecting grooves 4 by pressing downward, so that the lightning protection module 51 is fixed, the working state of the lightning protection module 51 is observed through the indication window 54 (the color changes to represent that the lightning protection module 51 is broken down and fails), and a new lightning protection module 51 needs to be replaced in time to protect the circuit from lightning.

[0033] Please refer to Figures 4-5 , the reset assembly 77 includes two connection plates one 771, the outer surfaces of the two connection plates one 771 are fixedly connected with the inner surfaces of the two insulating clamping plates two 75, the upper end of the connection plate one 771 is fixedly connected with an arc-shaped pipe 772, the inner surface of the arc-shaped pipe 772 is slidably connected with a sliding piece 773, one end of the sliding piece 773 close to the connection plate one 771 is fixedly connected with an arc-shaped spring 774, the lower end of the arc-shaped spring 774 is fixedly connected with the upper end of the connection plate one 771, one end of the sliding piece 773 away from the connection plate one 771 is fixedly connected with a sliding rod 775, the other end of the sliding rod 775 away from the sliding piece 773 is fixedly connected with a connection plate two 776, and the outer surfaces of the two connection plates two 776 are fixedly connected with the inner surfaces of the two insulating clamping plates one 73.

[0034] The scheme is opened outward by pressing the insulating clamping plate two 75 and the insulating clamping plate one 73, and the slide rod 775 slides to the inner surface of the arc-shaped pipe 772 under the action of the pressure, the slide piece 773 is extruded to the arc-shaped spring 774, the metal clamp block 72 (the conductive side) and the rubber clamp block 76 (the insulating side) are respectively arranged on the upper and lower surfaces of the ground busbar, the insulating clamping plate two 75 and the insulating clamping plate one 73 are loosened, the slide piece 773 is pushed back by the arc-shaped spring 774, the insulating clamping plate one 73 is rotated about the rotating shaft 74 under the action of the two slide rods 775, and the metal clamp block 72 is tightly attached to the busbar, so that a reliable grounding path is formed.

[0035] It should be noted that the specific installation method of the lightning protection module 51, the metal connecting strip 52 and the indication window 54, the connection mode of the circuit and the control method all belong to conventional design, and the utility model will not be described in detail.

[0036] Working principle: when lightning protection is needed, select the appropriate number of lightning protection modules 51 according to the different protection lines, such as two for single-phase electricity and three for three-phase electricity, align the two metal connecting strips 52 with the two connecting grooves 4 and insert them, fix the lightning protection module 51 on the mounting seat 1 by using the two clamping strips 53, at this time, insert the line on the relay into the four wiring grooves 2 and tighten the four fixing bolts 3, and then fix the lightning protection device in the distribution box through the connecting buckle 8.

[0037] After the lightning protection device is fixed, press the insulating clamping plate two 75 and the insulating clamping plate one 73 inward at the same time, so that they open outward at the same time about the rotating shaft 74, at this time, the slide rod 775 slides to the inner surface of the arc-shaped pipe 772 under the action of the pressure, the slide piece 773 is extruded to the arc-shaped spring 774, the total length of the slide rod 775 and the arc-shaped pipe 772 is shortened, the metal clamp block 72 and the rubber clamp block 76 are respectively arranged on the upper and lower sides of the ground busbar in the distribution box, the insulating clamping plate two 75 and the insulating clamping plate one 73 are loosened, and the insulating clamping plate two 75 and the insulating clamping plate one 73 are reset under the action of the arc-shaped spring 774, but the deformation of the arc-shaped spring 774 cannot be completely restored due to the blocking of the ground busbar between the two, so that the insulating clamping plate two 75 and the insulating clamping plate one 73 are extruded inward at the same time, and the metal clamp block 72 and the rubber clamp block 76 can be firmly fixed on the ground busbar.

[0038] When the lightning protection device works, the current generated by external interference is conducted from the grounding terminal 6, the current is conducted to the metal clamp block 72 by the connecting wire 71, the current is conducted to the ground busbar of the distribution box by the metal clamp block 72, and finally introduced into the ground, so as to avoid circuit damage.

[0039] The above merely describes a preferred embodiment of the present application; the scope of protection of the present application is not limited thereto. Any skilled person in the art, according to the technical scheme and improvement concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the scope of protection of the present application.

Claims

1. A novel groundless surge protector, comprising a mounting base (1), characterized in that: The mounting base (1) has four wiring slots (2) on its upper end. Four fixing bolts (3) are threaded onto the inner surface of the mounting base (1). Four connecting slots (4) are provided on both the upper and lower walls of the inner cavity of the mounting base (1). Two lightning protection structures (5) are slidably connected to the inner surfaces of several of the connecting slots (4). A grounding terminal (6) is fixedly connected to the inner surface of the mounting base (1). A connectionless structure (7) is fixedly connected to the inner surface of the grounding terminal (6). A connecting buckle (8) is fixedly connected to the rear end of the mounting base (1). The connectionless structure (7) includes… A connecting wire (71) is fixedly connected to a metal clamp (72) at its lower end. An insulating clamp (73) is fixedly connected to the outer surface of the metal clamp (72). A rotating shaft (74) is rotatably connected to the inner surface of the insulating clamp (73). An insulating clamp (75) is rotatably connected to the outer surface of the rotating shaft (74). A rubber clamp (76) is fixedly connected to the inner surface of the insulating clamp (75). Two reset components (77) are fixedly connected to the inner surfaces of the insulating clamp (73) and the insulating clamp (75).

2. The novel groundless surge protector according to claim 1, characterized in that: The lightning protection structure (5) includes a lightning protection module (51), with metal connecting strips (52) fixedly connected to both the upper and lower ends of the lightning protection module (51), and locking strips (53) fixedly connected to both the upper and lower ends of the lightning protection module (51). An indicator window (54) is fixedly connected to the inner cavity of the lightning protection module (51).

3. The novel groundless surge protector according to claim 1, characterized in that: The reset assembly (77) includes a first connecting plate (771), an arc-shaped tube (772) is fixedly connected to the upper end of the first connecting plate (771), a slider (773) is slidably connected to the inner surface of the arc-shaped tube (772), an arc-shaped spring (774) is fixedly connected to the end of the slider (773) near the first connecting plate (771), the lower end of the arc-shaped spring (774) is fixedly connected to the upper end of the first connecting plate (771), a slider rod (775) is fixedly connected to the end of the slider (773) away from the first connecting plate (771), and a second connecting plate (776) is fixedly connected to the end of the slider rod (775) away from the slider (773).

4. A novel groundless surge protector according to claim 2, characterized in that: The outer surfaces of the two metal strips (52) are slidably connected to the inner surfaces of the two connecting grooves (4), and the outer surfaces of the two locking strips (53) are slidably connected to the inner surfaces of the two connecting grooves (4).

5. A novel groundless surge protector according to claim 1, characterized in that: The outer surface of the connecting wire (71) is fixedly connected to the inner surface of the grounding terminal (6).

6. A novel groundless surge protector according to claim 3, characterized in that: The outer surfaces of both connecting plates (771) are fixedly connected to the inner surface of the insulating clamp (75), and the outer surfaces of both connecting plates (776) are fixedly connected to the inner surface of the insulating clamp (73).

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