Explosion-proof lightning arrester

Abstract

The application provides an explosion-proof lightning arrester, which comprises a lightning arrester body and an insulating base, wherein the insulating base comprises a strip-shaped plate; the insulating base is detachably connected with a connecting seat; the connecting seat is detachably connected with an electrical facility; the connecting seat is provided with two connecting seats which are detachably connected with the strip-shaped plate respectively; the connecting seat comprises an insulating intermediate plate; the insulating intermediate plate comprises a connecting end and a mounting end; the connecting end is provided with a transverse notch at the end of the insulating intermediate plate; the transverse notch is in the shape of an inverted T; the strip-shaped plate is clamped with the transverse notch; the end of the strip-shaped plate is provided with a first circular hole; the transverse notch is provided with a second circular hole opposite to the first circular hole; the connecting end is further provided with a mounting screw which is connected with a mounting nut through the first circular hole and the second circular hole; the explosion-proof lightning arrester has the beneficial effects of convenient installation, convenient replacement and avoiding interference with the electrical facility.

Description

Technical Field

[0001] This application relates to the field of surge arrester technology, and more particularly to an explosion-proof surge arrester. Background Technology

[0002] Explosion-proof surge arresters, often simply called surge arresters, are devices used to protect electrical equipment from damage caused by lightning strikes, switching overvoltages, or other transient overvoltages. Their core function is to quickly divert excess current to the ground when voltage abnormally rises, thereby preventing insulation breakdown or damage to the equipment. However, existing surge arresters, once installed, can easily affect electrical facilities during use, such as causing secondary surges during lightning strikes, amplifying the impact of accidents, and generating electromagnetic interference. Utility Model Content

[0003] The purpose of this application is to provide an explosion-proof surge arrester to solve the technical problems existing in the prior art.

[0004] To achieve the above objectives, the technical solution adopted in this application is as follows: An explosion-proof surge arrester is provided, comprising an arrester body and an insulating base; the insulating base includes a strip plate; the insulating base is also detachably connected to a connecting seat; the connecting seat is detachably connected to electrical facilities; two connecting seats are provided, each detachably engaged with a strip plate; the connecting seat includes an insulating intermediate plate; the insulating intermediate plate includes a connecting end and an mounting end.

[0005] With the above technical solution, the surge arrester body and the insulating base are existing technologies. By setting one plate of the insulating base as a strip plate, the connection with the connecting seat is achieved. The connecting seat is used to connect with electrical facilities, such as the crossbeam of a high-voltage line. Through the connection between the connecting seat and the insulating base, the side connection of the crossbeam is achieved, thereby avoiding impact on other electrical equipment on the crossbeam and electromagnetic interference when the surge arrester body is struck by lightning. There are two connecting seats, which ensures a firm connection with the surge arrester body. The insulating intermediate plate is made of insulating and high-temperature resistant material. The connection between the insulating base and the crossbeam is achieved through the setting of the two end connecting ends and the installation end.

[0006] Optionally, the connecting end includes a transverse notch at the end of an insulating intermediate plate; the cross-section of the transverse notch is an inverted T-shape; the strip plate is engaged with the transverse notch; the end of the strip plate is provided with a first circular hole; a second circular hole opposite to the first circular hole is provided in the transverse notch; the connecting end is also provided with a mounting screw passing through the first circular hole and the second circular hole to connect with a mounting nut.

[0007] With the above technical solution, the connecting end achieves snap-fit ​​adaptation with the strip plate through the horizontal notch, and further connection and fixation are achieved through mounting screws and mounting nuts.

[0008] Optionally, the end of the insulating intermediate plate away from the connection end is bent downward to form a mounting plate assembly; the mounting plate assembly includes a top plate, a side plate and a bottom plate; the top plate, the side plate and the bottom plate form a U-shape; the mounting end is arranged on the bottom plate and changes the distance from the top plate under the action of external force.

[0009] Through the above technical solution arrangement, the mounting plate assembly is configured to cooperate with the mounting end. After cooperating with the mounting end, a detachable fixed connection with the cross beam is realized. The arrangement of the mounting end enables replacement after the arrester body is damaged, which has the beneficial effect of convenient operation and replacement; and the cross beam is disposed between the U-shape formed by the top plate, the side plate and the bottom plate.

[0010] Optionally, the bottom plate is provided with a transverse through hole with a square cross section; the bottom plate is further provided with a circular vertical through hole; the transverse through hole is communicated with the vertical through hole; the mounting end includes a threaded rod; one end of the threaded rod is provided with a limit block, and the other end is provided with a rotating knob.

[0011] Through the above technical solution arrangement, after the cross beam is disposed between the U-shape formed by the top plate, the side plate and the bottom plate, the upper and lower positions of the limit block at the other end are changed by rotating the rotating knob, so that the cross beam is fixed between the limit block and the top plate.

[0012] Optionally, the limit block is configured as an annular table structure; the upper end of the limit block is provided with a circular top surface; the limit block is made of rubber material; the middle part of the threaded rod is provided with a connecting nut; the connecting nut is located in the transverse through hole; the threaded rod is inserted into the vertical through hole to connect with the connecting nut located in the transverse through hole.

[0013] Through the above technical solution arrangement, the connecting nut in the middle of the threaded rod realizes threaded connection with the threaded rod, and the connecting nut is fixedly arranged in the transverse through hole and will not rotate under the action of external force.

[0014] Optionally, the limit block is located above the bottom plate and opposite to the top plate; the outer peripheral surface of the rotating knob is provided with anti-slip ribs; the middle part of the insulating intermediate plate is provided with a threaded hole, and the threaded hole is connected with a pull plate.

[0015] Through the above technical solution arrangement, the anti-slip ribs can be conveniently held by hand for easy rotation, and the pull plate connects the two insulating intermediate plates, achieving the effect of further fixing.

[0016] Beneficial effects of the present application: Compared with the prior art, the explosion-proof arrester provided by the present application has the beneficial effects of convenient installation, convenient replacement, and avoiding interference to electrical facilities. Brief Description of the Drawings

[0017] To more clearly illustrate the technical solutions in this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only for this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the connector structure according to an embodiment of this application;

[0019] Figure 2 This is a schematic diagram of the installation end structure in an embodiment of this application;

[0020] Figure 3 This is a schematic diagram of the surge arrester body structure according to an embodiment of this application.

[0021] The reference numerals in the figures are as follows: 1. Surge arrester body; 2. Insulating base; 3. Strip plate; 4. Insulating intermediate plate; 5. Horizontal notch; 6. First circular hole; 7. Second circular hole; 8. Top plate; 9. Side plate; 10. Bottom plate; 11. Horizontal through hole; 12. Vertical through hole; 13. Threaded rod; 14. Limiting block; 15. Rotating knob; 16. Top surface; 17. Connecting nut; 18. Anti-slip ridge; 19. Threaded hole. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with specific embodiments.

[0023] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0024] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0025] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "several" means two or more, unless otherwise explicitly specified.

[0026] like Figures 1 to 3 As shown, the purpose of this application embodiment is to provide an explosion-proof surge arrester to solve the technical problems existing in the prior art.

[0027] To achieve the above objectives, the technical solution adopted in this application is as follows: An explosion-proof surge arrester is provided, comprising an arrester body 1 and an insulating base 2; the insulating base 2 includes a strip plate 3; the insulating base 2 is also detachably connected to a connecting seat; the connecting seat is detachably connected to electrical facilities; two connecting seats are provided, each detachably cooperating with the strip plate 3; the connecting seat includes an insulating intermediate plate 4; the insulating intermediate plate 4 includes a connecting end and an mounting end.

[0028] With the above technical solution, the surge arrester body 1 and the insulating base 2 are existing technologies. By setting one plate of the insulating base 2 as a strip plate 3, the connection with the connecting seat is realized. The connecting seat is used to connect with electrical facilities, such as the crossbeam of a high-voltage line. Through the connection between the connecting seat and the insulating base 2, the side connection of the crossbeam is realized, thereby avoiding the impact on other electrical equipment on the crossbeam and the generation of electromagnetic interference when the surge arrester body 1 is struck by lightning. There are two connecting seats to ensure a firm connection with the surge arrester body 1. The insulating intermediate plate 4 is made of insulating and high-temperature resistant material. Through the setting of the two end connecting ends and the installation end, the connection with the insulating base 2 and the crossbeam is realized.

[0029] Optionally, the connecting end includes a transverse notch 5 at the end of an insulating intermediate plate 4; the cross-section of the transverse notch 5 is an inverted T-shape; the strip plate 3 is engaged with the transverse notch 5; a first circular hole 6 is provided at the end of the strip plate 3; a second circular hole 7 is provided in the transverse notch 5 opposite to the first circular hole 6; the connecting end is also provided with a mounting screw passing through the first circular hole 6 and the second circular hole 7 to connect with a mounting nut.

[0030] With the above technical solution, the connecting end is fitted with the strip plate 3 through the horizontal notch 5, and further connection and fixation are achieved by mounting screws and mounting nuts.

[0031] Optionally, the end of the insulating intermediate plate 4 away from the connection end is bent downward to form a mounting plate assembly; the mounting plate assembly includes a top plate 8, a side plate 9, and a bottom plate 10; the top plate 8, side plate 9, and bottom plate 10 form a U-shape; the mounting end is disposed on the bottom plate 10 and changes the distance between it and the top plate 8 under the action of external force.

[0032] With the above technical solution, the mounting plate assembly is used to cooperate with the mounting end. When it is cooperated with the mounting end, it achieves a detachable and fixed connection with the crossbeam. Through the setting of the mounting end, the replacement of the surge arrester body 1 after damage can be realized, which has the beneficial effect of facilitating operation and replacement. The crossbeam is set between the U-shaped structure formed by the top plate 8, side plate 9, and bottom plate 10.

[0033] Optionally, the base plate 10 is provided with a transverse through hole 11 with a square cross section; the base plate 10 is also provided with a circular vertical through hole 12; the transverse through hole 11 communicates with the vertical through hole 12; the mounting end includes a threaded rod 13; one end of the threaded rod 13 is provided with a limit block 14, and the other end is provided with a rotating knob 15.

[0034] With the above technical solution, after the crossbeam is set between the top plate 8, side plate 9, and bottom plate 10 in a U-shape, the upper and lower positions of the other end limiting block 14 are changed by rotating the rotating knob 15, thereby fixing the crossbeam between the limiting block 14 and the top plate 8.

[0035] Optionally, the limiting block 14 is configured as an annular platform structure; the upper end of the limiting block 14 is provided with a circular top surface 16; the limiting block 14 is made of rubber; a connecting nut 17 is provided in the middle of the threaded rod 13; the connecting nut 17 is located in the transverse through hole 11; the threaded rod 13 is inserted into the vertical through hole 12 and connected to the connecting nut 17 located in the transverse through hole 11.

[0036] With the above technical solution, the connecting nut 17 in the middle of the threaded rod 13 achieves a threaded connection with the threaded rod 13. The connecting nut 17 is fixedly installed in the transverse through hole 11 and will not rotate under the action of external force.

[0037] Optionally, the limiting block 14 is located above the bottom plate 10 and opposite to the top plate 8; the outer circumferential surface of the rotating knob 15 is provided with anti-slip protrusions 18; the middle part of the insulating intermediate plate 4 is provided with a threaded hole 19, and the threaded hole 19 is connected to a pull plate (not shown in the figure).

[0038] With the above technical solution, the anti-slip ridge 18 makes it easy for people to hold and rotate, while the pull plate connects the two insulating intermediate plates 4, which further fixes the parts.

[0039] The beneficial effects of this application are as follows: Compared with the prior art, the explosion-proof surge arrester provided by this application has the advantages of being easy to install, easy to replace, and avoiding interference with electrical facilities.

[0040] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of this application is limited to these examples; within the framework of this application, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of the different aspects of this application as described above, which are not provided in detail for the sake of brevity.

[0041] This application is intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of protection of this application.

Claims

1. An explosion-proof surge arrester, comprising an arrester body (1) and an insulating base (2); characterized in that: The insulating base (2) includes a strip plate (3); the insulating base (2) is also detachably connected to a connecting seat; the connecting seat is detachably connected to electrical facilities; there are two connecting seats, which are detachably engaged with the strip plate (3) respectively; the connecting seat includes an insulating intermediate plate (4); the insulating intermediate plate (4) includes a connecting end and an installation end.

2. The explosion-proof surge arrester according to claim 1, characterized in that: The connecting end includes a transverse notch (5) at the end of an insulating intermediate plate (4); the cross section of the transverse notch (5) is an inverted T-shape; the strip plate (3) is snapped into the transverse notch (5); the end of the strip plate (3) is provided with a first round hole (6); a second round hole (7) opposite to the first round hole (6) is provided in the transverse notch (5); the connecting end is also provided with a mounting screw passing through the first round hole (6) and the second round hole (7) to connect with a mounting nut.

3. The explosion-proof surge arrester according to claim 2, characterized in that: The insulating intermediate plate (4) is bent downward at the end away from the connection end to form a mounting plate assembly; the mounting plate assembly includes a top plate (8), a side plate (9), and a bottom plate (10); the top plate (8), the side plate (9), and the bottom plate (10) form a U-shape; the mounting end is set on the bottom plate (10) and changes the distance between it and the top plate (8) under the action of external force.

4. The explosion-proof surge arrester according to claim 3, characterized in that: The base plate (10) is provided with a horizontal through hole (11) with a square cross section; the base plate (10) is also provided with a vertical through hole (12) with a circle; the horizontal through hole (11) communicates with the vertical through hole (12); the mounting end includes a threaded rod (13); one end of the threaded rod (13) is provided with a limit block (14), and the other end is provided with a rotating knob (15).

5. The explosion-proof surge arrester according to claim 4, characterized in that: The limiting block (14) is configured as an annular platform structure; the upper end of the limiting block (14) is provided with a circular top surface (16); the limiting block (14) is made of rubber; a connecting nut (17) is provided in the middle of the threaded rod (13); the connecting nut (17) is located in the transverse through hole (11); the threaded rod (13) is inserted into the vertical through hole (12) and connected to the connecting nut (17) located in the transverse through hole (11).

6. The explosion-proof surge arrester according to claim 5, characterized in that: The limiting block (14) is located above the bottom plate (10) and opposite to the top plate (8); the outer circumference of the rotating knob (15) is provided with anti-slip ridges (18); the middle part of the insulating intermediate plate (4) is provided with a threaded hole (19), and the threaded hole (19) is connected to a pull plate.

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