Insulation terminal lightning protection device with strong weather resistance

Abstract

The utility model provides an insulated terminal lightning protection device with strong weather resistance, and belongs to the technical field of electrical devices. The device is simple and ingenious in structure, has a good lightning protection effect, and is safe and stable in circuit connection. A rib is arranged on the top face of an injection molding body in a protruding mode, a conducting strip covers the rib in a full laying mode, the two ends of the conducting strip are connected with the outside through a pressing block provided with a drainage wire, lightning stroke current conduction and removal are achieved, a plurality of power connection assemblies are embedded in the injection molding body, and the power connection assemblies are arranged at fixed intervals in the length direction of the injection molding body. And an external circuit is electrified and communicated through the power connection assembly. The device is simple and ingenious in structure, convenient to install and use, good in lightning protection effect, good in dust prevention effect and high in stability, and lightning current is smoothly conducted and removed through the conductive strips.

Description

Technical Field

[0001] This utility model belongs to the field of electrical device technology, and in particular relates to a weather-resistant insulating terminal lightning protection device. Background Technology

[0002] With the continuous development of communication technology and increasingly comprehensive network coverage, the number of outdoor base stations is gradually increasing. To ensure the safe and stable operation of these base stations, providing them with a safe and stable power supply is crucial. When connecting multiple circuits, terminal blocks are often used for easy connection and maintenance, facilitating precise location and control of circuit continuity. However, the harsh outdoor environment, compared to indoor environments, affects the lifespan of terminal blocks due to extreme temperatures, rain, and snow. Therefore, weather-resistant terminal blocks have been developed. Furthermore, lightning protection for terminal blocks is essential in outdoor applications, making a lightning-resistant terminal block urgently needed. Utility Model Content

[0003] To address the problems existing in the background technology, this utility model provides a weather-resistant insulating terminal lightning protection device. The device has a simple and ingenious structure, good lightning protection effect, and safe and stable circuit connection.

[0004] The technical solution adopted by this utility model to solve its technical problem is as follows: a weather-resistant insulating terminal lightning protection device, including an injection-molded body, a conductive sheet, two clamping blocks, and multiple electrical connection components. The top surface of the injection-molded body is shaped like a ridged roof. Ribs are arranged along the length direction in the middle of the top surface of the injection-molded body. The top surfaces on both sides of the ribs are inclined from top to bottom from the ribs to the edges. The conductive sheet is fully covered on the ribs. Vertical pieces are arranged on the bottom surface of the conductive sheet near both ends in the length direction. The two vertical pieces are inserted into the injection-molded body. The two ends of the injection-molded body in the length direction are provided with embedding grooves. The lower ends of the two vertical pieces respectively extend into the two embedding grooves and are electrically connected to the clamping blocks that are detachably fixed in the embedding grooves. Multiple electrical connection components are embedded in the injection-molded body. The multiple electrical connection components are arranged at fixed intervals along the length direction of the injection-molded body. The external circuit is energized and connected through the electrical connection components.

[0005] Each of the aforementioned electrical connection components includes a connecting piece, two locking screws, and two inserts. Multiple insertion slots are aligned on the two vertical side surfaces of the injection molded body. Through countersunk screw holes are formed above the insertion slots on the two inclined top surfaces of the injection molded body. The connecting piece is embedded in the injection molded body and located between the two aligned insertion slots. Both ends of the connecting piece cover the bottom surface of the two aligned insertion slots. The inserts are inserted into the insertion slots. The locking screws are screwed into the countersunk screw holes. The ends of the locking screws press against the inserts. The locking screws are made of insulating material.

[0006] Each of the clamping blocks is fixedly provided with a contact plate, which is located on the side of the clamping block facing the upright plate. A wiring groove is opened at the bottom of the clamping block, and the lower end of the contact plate is fixedly connected to the guide wire. The guide wire passes through the wiring groove and connects to the outside.

[0007] Each of the upright pieces has a hook protrusion on its upright surface facing the pressing block, and each of the electrical contact pieces has a matching groove.

[0008] Each of the locking screws is fitted with a sealing gasket, and each sealing gasket is located at the mating point between the screw head and the countersunk screw hole of the locking screw.

[0009] The insertion slot is inclined and parallel to the top surface of the injection molded body, and the two ends of the connecting piece are bent downward to fit the insertion slot.

[0010] Both the injection molded body and the clamping block are injection molded from weather-resistant polymer materials. The conductive sheet, i.e. the connecting sheet, is integrally wrapped inside the injection molded body, and the connecting sheet and the conductive sheet are isolated from each other. The electrical contact sheet is integrally injection molded onto the clamping block.

[0011] The beneficial effects of this utility model are as follows: This device is an improvement on the existing terminal block, with a simple and ingenious structure, and is easy to install and use; the device ensures the safe and stable operation of the terminal block by setting a conductive strip to conduct away the lightning current, thus guaranteeing the safety of the electrical equipment and providing good lightning protection; the slot of the device is inclined downwards, and the locking screw is equipped with a sealing gasket, which provides good dust prevention and high stability. Attached Figure Description

[0012] In the attached diagram:

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the conductive part of this utility model;

[0015] Figure 3 yes Figure 2 Enlarged view of part A in the middle;

[0016] Figure 4 This is a cross-sectional view of the internal structure of this utility model;

[0017] In the diagram: 1. Injection molded body; 2. Conductive sheet; 3. Clamping block; 4. Drain wire; 5. Locking screw; 6. Insert plate; 7. Connecting plate; 8. Sealing gasket; 11. Insertion slot; 12. Countersunk screw hole; 13. Embedding slot; 14. Rib; 21. Vertical plate; 22. Hanging protrusion; 31. Electrical contact plate. Detailed Implementation

[0018] The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.

[0019] A weather-resistant insulated terminal lightning protection device includes an injection-molded body 1, conductive sheets 2, two clamping blocks 3, and multiple electrical connection components. The top surface of the injection-molded body 1 is shaped like a ridged roof. Ribs 14 are arranged along the length direction in the middle of the top surface of the injection-molded body 1. The top surfaces on both sides of the ribs 14 are inclined from top to bottom from the ribs 14. The conductive sheets 2 are fully covered on the ribs 14. Vertical pieces 21 are arranged on the bottom surface of the conductive sheets 2 near both ends along the length direction. The two vertical pieces 21 are inserted into the injection-molded body 1. The two ends of the injection-molded body 1 along the length direction have mounting grooves 13. The lower ends of the two vertical pieces 21 respectively extend into the two mounting grooves 13 and are electrically connected to the clamping blocks 3 that are detachably fixed in the mounting grooves 13. Multiple electrical connection components are embedded in the injection-molded body 1 and are arranged at fixed intervals along the length direction of the injection-molded body 1. External circuits are connected through the electrical connection components.

[0020] Each of the aforementioned electrical connection components includes a connecting piece 7, two locking screws 5, and two inserts 6. Multiple insertion slots 11 are aligned on the two vertical side surfaces of the injection molded body 1. Through countersunk screw holes 12 are formed above the insertion slots 11 on the two inclined top surfaces of the injection molded body 1. The connecting piece 7 is embedded in the injection molded body 1 and located between the two aligned insertion slots 11. Both ends of the connecting piece 7 cover the bottom surface of the two aligned insertion slots 11. The inserts 6 are inserted into the insertion slots 11. The locking screws 5 are screwed into the countersunk screw holes 12. The end of the locking screw 5 presses against the inserts 6. The locking screws 5 are made of insulating material.

[0021] Each of the clamping blocks 3 is fixedly provided with a contact piece 31, which is located on the side surface of the clamping block 3 facing the upright piece 21. A wiring groove is opened at the bottom of the clamping block 3, and the lower end of the contact piece 31 is fixedly connected to the guide wire 4. The guide wire 4 passes through the wiring groove and connects to the outside.

[0022] Each of the upright pieces 21 has a hook protrusion 22 on its upright surface facing the clamping block 3, and each of the electrical contact pieces 31 has a matching groove. When installing the clamping block 3, the groove of the electrical contact piece 31 is aligned with the hook protrusion 22, and the clamping block 3 is detachably and fixedly installed on the injection molded body 1 using screws.

[0023] Each of the locking screws 5 is fitted with a sealing gasket 8, and each sealing gasket 8 is located at the mating point between the screw head of the locking screw 5 and the countersunk screw hole 12. The sealing gasket 8 is compressed to seal the gap between the locking screw 5 and the wall of the countersunk screw hole 12.

[0024] The insertion slot 11 is inclined in a form parallel to the top surface of the injection molded body 1, that is, the opening of the insertion slot 11 is inclined downward, and the two ends of the connecting piece 7 are bent downward in coordination with the insertion slot 11.

[0025] Both the injection molded body 1 and the clamping block 3 are injection molded from weather-resistant polymer materials. The conductive sheet 2, i.e. the connecting sheet 7, is integrally wrapped inside the injection molded body 1, and the connecting sheet 7 and the conductive sheet 2 are isolated from each other. The electrical contact sheet 31 is integrally injection molded on the clamping block 3.

[0026] Working principle: When using this device, taking the application location as an electrical box as an example, the injection molded body 1 is fixedly set at the application location with the ribs 14 keeping it upright. Both clamping blocks 3 are fixedly installed on the injection molded body 1. One of the two drain lines 4 is connected to the electrical box shell and the other is grounded, ensuring that the electrical box shell, drain line 4, conductive sheet 2, drain line 4 and the ground form a smooth path, ensuring that the lightning current can be smoothly conducted away when struck by lightning, without causing interference to the electrical components.

[0027] When connecting the electrical circuit, the wires are fixedly connected to the plug 6. The plug 6 is connected to the wires by snap-fit, which can assist welding to strengthen stability. The two plugs 6 connected with the wires that need to form a passage are inserted into the two corresponding insertion slots 11. Then, the locking screw 5 at the matching position is turned to press the plug 6 and the connecting piece 7 to fit together stably and tightly to form a stable passage.

[0028] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A weather-resistant insulated terminal lightning protection device, characterized in that: Includes an injection molded body (1), a conductive sheet (2), two clamping blocks (3), and multiple electrical connection components. The top surface of the injection molded body (1) is shaped like a ridged roof. Ribs (14) are provided along the length direction in the middle of the top surface of the injection molded body (1). The top surfaces on both sides of the ribs (14) are inclined from top to bottom from the ribs (14) to the edges. The conductive sheet (2) is fully covered on the ribs (14). Vertical pieces (21) are provided on the bottom surface of the conductive sheet (2) near both ends along the length direction. The two vertical pieces (21) 1) Inserted into the injection molded body (1), the injection molded body (1) has two insertion slots (13) on both ends of the length direction. The lower ends of the two upright pieces (21) are respectively inserted into the two insertion slots (13) and electrically connected to the clamping block (3) that can be detachably fixed in the insertion slot (13). Multiple electrical connection components are embedded in the injection molded body (1). Multiple electrical connection components are arranged at fixed intervals along the length direction of the injection molded body (1). The external circuit is connected to the power supply through the electrical connection components.

2. The weather-resistant insulated terminal lightning protection device according to claim 1, characterized in that: Each of the aforementioned electrical connection components includes a connecting piece (7), two locking screws (5) and two inserts (6). Multiple insertion slots (11) are aligned on the two vertical side surfaces of the injection molding body (1). A through countersunk screw hole (12) is opened above the insertion slot (11) on the two inclined top surfaces of the injection molding body (1). The connecting piece (7) is embedded in the injection molding body (1) and located between the two aligned insertion slots (11). The two ends of the connecting piece (7) cover the bottom surface of the two aligned insertion slots (11). The insert (6) is inserted into the insertion slot (11). The locking screw (5) is screwed into the countersunk screw hole (12). The end of the locking screw (5) presses against the insert (6). The locking screw (5) is made of insulating material.

3. A weather-resistant insulated terminal lightning protection device according to claim 1 or 2, characterized in that: Each of the clamping blocks (3) is fixedly provided with a contact plate (31). The contact plate (31) is located on the side of the clamping block (3) facing the upright plate (21). A wiring groove is opened at the bottom of the clamping block (3). The lower end of the contact plate (31) is fixedly connected to the drain line (4). The drain line (4) passes through the wiring groove and connects to the outside.

4. The weather-resistant insulated terminal lightning protection device according to claim 3, characterized in that: Each of the upright pieces (21) has a hook protrusion (22) on its upright surface facing the pressing block (3), and each of the electrical contact pieces (31) has a matching groove.

5. A weather-resistant insulated terminal lightning protection device according to claim 2, characterized in that: Each of the locking screws (5) is fitted with a sealing gasket (8), and each sealing gasket (8) is located at the mating point between the screw head of the locking screw (5) and the countersunk screw hole (12).

6. A weather-resistant insulated terminal lightning protection device according to claim 2, characterized in that: The insertion slot (11) is inclined in a form parallel to the top surface of the injection molded body (1), and the two ends of the connecting piece (7) are bent downward in coordination with the insertion slot (11).

7. A weather-resistant insulated terminal lightning protection device according to claim 4, characterized in that: The injection molded body (1) and the clamping block (3) are both made of weather-resistant polymer materials. The conductive sheet (2), i.e. the connecting sheet (7), is integrally wrapped inside the injection molded body (1), and the connecting sheet (7) and the conductive sheet (2) are isolated from each other. The electrical contact sheet (31) is integrally injection molded on the clamping block (3).

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