Lightning arrester

Abstract

The utility model provides a lightning arrester which comprises a first lightning arrester body and a second lightning arrester body, one end of the first lightning arrester body is connected with one end of the second lightning arrester body through an upper connecting assembly, the other end of the first lightning arrester body is connected with the other end of the second lightning arrester body through a lower connecting assembly, and therefore a high-insulation lightning arrester body is formed. The first lightning arrester is provided with a base, the base comprises an insulating base, a fastening insulating ring is arranged at the top end of the insulating base, the fastening insulating ring is connected with an insulating sleeve in an inserted manner, an insulating protection seat is arranged in the insulating sleeve in an adhesive manner, and an insulating sleeve is arranged in the insulating protection seat. According to the utility model, the insulating protection seat and the insulating sleeve are arranged in the insulating base, and the lightning arrester core body of the first lightning arrester is arranged in the insulating sleeve, so that the base has a sufficient insulating effect, and the base is prevented from being damaged by a generated alternating-current arc.

Description

Technical Field

[0001] The utility model belongs to the technical field of power equipment, and particularly relates to a lightning arrester. Background Technique

[0002] A lightning arrester is an electrical appliance used to protect electrical equipment from high transient overvoltages and limit the follow current time and often limit the follow current amplitude. The lightning arrester can release lightning or also release the energy of the switching overvoltage of the power system, protecting electrical equipment from instantaneous overvoltage hazards.

[0003] When the lightning arrester is in the working state, both ends need to continuously bear the working voltage. At the rated working voltage, the lightning arrester presents a high impedance and forms an alternating current arc. Moreover, the existing lightning arrester base has poor insulation, resulting in the further aggravation of the damage to the insulating base by the alternating current arc, accelerating the aging and burning out of the equipment.

[0004] In view of this, how to solve the defects existing in the above technical solutions has become one of the problems to be solved urgently in the technical field of power equipment. Content of the Utility Model

[0005] In view of the problems existing in the background technique, the purpose of the utility model is to overcome the deficiencies of the prior art and provide a lightning arrester to solve the problems that when the lightning arrester is in the working state, both ends need to continuously bear the working voltage, at the rated working voltage, the lightning arrester presents a high impedance and forms an alternating current arc. Moreover, the existing lightning arrester base has poor insulation, resulting in the further aggravation of the damage to the insulating base by the alternating current arc, accelerating the aging and burning out of the equipment.

[0006] The utility model is realized through the following technical solutions. The utility model discloses a lightning arrester, which includes a first lightning arrester and a second lightning arrester. One ends of the first lightning arrester and the second lightning arrester are connected by an upper connection component, and the other ends of the first lightning arrester and the second lightning arrester are connected by a lower connection component, thereby forming a lightning arrester body with high insulation. It is characterized in that the first lightning arrester is provided with a base, and the base includes an insulating base. A fastening insulating ring is arranged at the top of the insulating base. The fastening insulating ring is inserted and connected to an insulating sleeve. An insulating protection seat is adhesively arranged in the insulating sleeve, and an insulating sleeve is arranged in the insulating protection seat.

[0007] Preferably, the insulating base is installed on the mounting frame of the lower connection component, and the insulating base and the lower connection component are detachably connected;

[0008] Preferably, the top of the insulating base is provided with a fastening insulating ring, and the fastening insulating ring is provided with at least one group of insertion rods, and the insertion rods are integrally arranged with the fastening insulating ring.

[0009] Preferably, the insertion rod is inserted and connected to the insulating sleeve. The insulating sleeve is provided with at least one set of slots corresponding to the insertion rod, and the insertion rod is inserted into the slots for insertion connection to realize the connection between the fastening insulating ring and the insulating sleeve.

[0010] Preferably, a positioning groove is provided on the insulating protection seat.

[0011] The insulating sleeve is provided with a positioning block, and a spring is provided between the positioning block and the outer wall of the insulating sleeve.

[0012] The positioning block is used in cooperation with the positioning groove for clamping connection.

[0013] Preferably, both the first lightning arrester and the second lightning arrester are provided with lightning arrester cores.

[0014] The lightning arrester core includes a protective sleeve.

[0015] The lightning arrester core further includes an upper electrode plate, which is arranged in the protective sleeve.

[0016] Preferably, the other end of the upper electrode plate is connected to an insulating rod, which is connected to an electrode block through the insulating rod, and the electrode block is connected to an electrode plate group. The electrode plate group on the side away from the electrode block is connected to a lower electrode plate.

[0017] Preferably, the protective sleeve is made of glass fiber.

[0018] Preferably, the upper connecting piece assembly includes a first connecting piece, and a pull ring is arranged on the first connecting piece.

[0019] A second connecting piece is arranged on the side away from the pull ring, and the second connecting piece is fixedly installed on the mounting frame of the upper connecting assembly through a fastening connecting piece.

[0020] In summary, the beneficial effects of the present invention are as follows:

[0021] (1) In the present invention, an insulating protection seat and an insulating sleeve are arranged in the insulating base, and the lightning arrester core of the first lightning arrester is arranged in the insulating sleeve, so that the base has sufficient insulation effect, thereby preventing the generated alternating current arc from damaging the base.

[0022] (2) In the present invention, since the positioning block is used in cooperation with the positioning groove for clamping connection, in actual application, if the insulating sleeve is damaged, it is convenient to replace. When replacing, only need to press the insulating sleeve forcefully, so that the positioning block can be clamped into the positioning groove. Description of the Drawings

[0023] Figure 1Schematic diagram of the overall structure provided by an embodiment of a lightning arrester of the present utility model;

[0024] Figure 2 Schematic diagram of a partial structure provided by an embodiment of a lightning arrester of the present utility model;

[0025] Figure 3 Exploded view of the base provided by an embodiment of a lightning arrester of the present utility model;

[0026] Figure 4 Schematic diagram of the structure of the lightning arrester core provided by an embodiment of a lightning arrester of the present utility model;

[0027] Reference signs:

[0028] 100, Lightning arrester body;

[0029] 10, Upper connection assembly; 101, Fastening connection member; 102, Protective shell; 103, First connection piece; 104, Pull ring; 106, Second connection piece;

[0030] 20, First lightning arrester;

[0031] 30, Base; 301, Insulating base; 302, Fastening insulating ring; 303, Plug rod; 304, Insulating sleeve; 305, Slot; 306, Insulating protection seat; 3061, Positioning groove body; 307, Insulating sleeve; 3071, Positioning block; 3072, Spring;

[0032] 40, Lower connection assembly;

[0033] 50, Second lightning arrester;

[0034] 60, Lightning arrester core; 601, Upper electrode piece; 602, Protective sleeve; 603, Insulating rod; 604, Electrode block; 605, Electrode piece group; 606, Lower electrode piece. Detailed implementation manners

[0035] In the description of this specification, the descriptions referring to terms such as "certain embodiments", "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0036] In the present utility model, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance; the term "plural" refers to two or more, unless otherwise clearly defined. Terms such as "installed", "connected", "joined", and "fixed" should all be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; "joined" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0037] In order to make the objectives, technical solutions, and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. Although exemplary embodiments are disclosed in the drawings, it should be understood that the present utility model can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present utility model and to convey the concept of the present utility model completely to those skilled in the art.

[0038] Please refer to Figures 1-4 As shown, an embodiment of the present utility model provides a lightning arrester, including a lightning arrester body 100. The lightning arrester body 100 includes a first lightning arrester 20 and a second lightning arrester 50. The first lightning arrester 20 and the second lightning arrester 50 are both provided with a lightning arrester core 60. One end of the first lightning arrester 20 and the second lightning arrester 50 is connected by an upper connection assembly 10, and the other end of the first lightning arrester 20 and the second lightning arrester 50 is connected by a lower connection assembly 40, thereby forming a highly insulated lightning arrester body 100;

[0039] Further, the upper connection member assembly 10 includes a first connection piece 103, and a pull ring 104 is provided on the first connection piece 103.

[0040] Further, a second connection piece 106 is provided on a side away from the pull ring 104, and the second connection piece 106 is fixedly installed on the mounting bracket of the upper connection assembly 10 through a fastening connection member 101.

[0041] In this embodiment, a complete closed loop is formed by the upper connection assembly 10 and the lower connection assembly; during a thunderstorm, the lightning received by the lightning receiving end is transmitted to the ground wire through the upper connection assembly, the first lightning arrester, the second lightning arrester, and the lower connection assembly and conducted out, playing a role in lightning protection.

[0042] Please refer to Figures 1-4As shown, the first lightning arrester 20 is provided with a base 30, and the base 30 includes an insulating base 301. The insulating base 301 is installed on the mounting frame of the lower connecting component 40, and a detachable connection is adopted between the insulating base 301 and the lower connecting component 40;

[0043] The arrester core 60 of the first lightning arrester passes through the base 30 and is grounded through a grounding bolt.

[0044] Furthermore, a fastening insulating ring 302 is provided at the top end of the insulating base 301, and the fastening insulating ring 302 is provided with at least one group of insertion rods 303, and the insertion rods 303 are integrally provided with the fastening insulating ring 302.

[0045] Furthermore, the insertion rod 303 is inserted and connected to an insulating sleeve 304. The insulating sleeve 304 is provided with at least one group of slots 305. The slots 305 are correspondingly arranged with the insertion rods 303, and the insertion rods 3030 are inserted into the slots 305 for insertion connection to realize the connection between the fastening insulating ring 302 and the insulating sleeve 304.

[0046] Furthermore, an insulating protection seat 306 is adhesively provided inside the insulating sleeve 304, and a positioning groove body 3061 is provided on the insulating protection seat 306.

[0047] Furthermore, an insulating sleeve 307 is provided inside the insulating protection seat 306, and the inner wall of the insulating sleeve 307 abuts against the outer wall of the arrester core.

[0048] In this embodiment, the insulating protection seat 306 and the insulating sleeve 307 are provided inside the insulating base 301, and the arrester core of the first lightning arrester is arranged inside the insulating sleeve 307, so that the base 30 has sufficient insulation effect, thereby preventing the generated alternating current arc from damaging the base.

[0049] And the insulating sleeve 307 is provided with a positioning block 3071, and a spring 3072 is provided between the positioning block 3071 and the outer wall of the insulating sleeve 307. The spring seat of the spring 3072 is fixedly installed on the outer wall of the insulating sleeve 307, so that the positioning block 3071 and the insulating sleeve 307 are integrally provided.

[0050] Furthermore, the positioning block 3071 and the positioning groove body 3061 are used in cooperation for clamping connection.

[0051] In this embodiment, since the positioning block 3071 and the positioning groove body 3061 are used in cooperation for clamping and connecting, in actual application, if the insulating sleeve 307 is damaged, it is convenient to replace. When replacing, only need to press the insulating sleeve forcefully, so that the positioning block 3071 can be clamped into the positioning groove body 3061.

[0052] Please refer to Figures 1-4 As shown, the arrester core 60 includes a protective sleeve 602, and the protective sleeve 602 is made of fiberglass;

[0053] The arrester core 60 further includes an upper electrode plate 601, and is arranged inside the protective sleeve 602;

[0054] The side of the arrester core 60 close to the upper electrode plate 601 is the high-voltage end, and the other end is provided with a lower electrode plate 606, which is the low-voltage end; when the arrester core 60 is injection molded, it is injected from the low-voltage end, and the injection port remains at the low-voltage end. Such a setting can reduce the flow marks generated by the shrinkage at the injection port position; and the low-voltage end of the arrester core 60 is the grounding end.

[0055] Furthermore, the other end of the upper electrode plate 601 is connected to an insulating rod 603, the insulating rod 603 is connected to an electrode block 604, and the electrode block 604 is connected to an electrode plate group 605. The electrode plate group 605 on the side away from the electrode block 604 is connected to the lower electrode plate 606.

[0056] In this embodiment, by adding the protective sleeve 602, the overall strength of the arrester core is further improved.

[0057] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not restrictive. Although the present invention has been described in detail with reference to the embodiments, those of ordinary skill in the art should understand that any modification or equivalent replacement of the technical solutions of the present invention does not depart from the spirit and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.

Claims

1. A lightning arrester, comprising a first lightning arrester, a second lightning arrester and an upper connecting component assembly. One ends of the first lightning arrester and the second lightning arrester are connected by the upper connecting component assembly, and the other ends of the first lightning arrester and the second lightning arrester are connected by a lower connecting component assembly, thereby forming a lightning arrester body with high insulation. It is characterized in that, The first lightning arrester is provided with a base, and the base includes an insulating base. A fastening insulating ring is arranged at the top of the insulating base. The fastening insulating ring is connected to an insulating sleeve in an inserted manner. An insulating protection seat is adhesively arranged in the insulating sleeve, and an insulating sleeve is arranged in the insulating protection seat.

2. The lightning arrester according to claim 1, characterized in that The insulating base is installed on the mounting frame of the lower connection assembly, and a detachable connection is adopted between the insulating base and the lower connection assembly.

3. The lightning arrester according to claim 1, characterized in that A fastening insulating ring is arranged at the top of the insulating base, and the fastening insulating ring is provided with at least one set of insertion rods, and the insertion rods are integrally arranged with the fastening insulating ring.

4. The lightning arrester according to claim 3, characterized in that The insertion rods are connected to the insulating sleeve in an inserted manner. The insulating sleeve is provided with at least one set of slots, and the slots are correspondingly arranged with the insertion rods. The insertion rods are inserted into the slots for inserted connection to realize the connection between the fastening insulating ring and the insulating sleeve.

5. The lightning arrester according to claim 1, characterized in that A positioning groove body is arranged on the insulating protection seat. The insulating sleeve is provided with a positioning block, and a spring is arranged between the positioning block and the outer wall of the insulating sleeve. The positioning block is used in cooperation with the positioning groove body for clamping connection.

6. The lightning arrester according to claim 1, characterized in that Both the first lightning arrester and the second lightning arrester are provided with lightning arrester cores. The lightning arrester core includes a protective sleeve. The lightning arrester core further includes an upper electrode plate, which is arranged in the protective sleeve.

7. The lightning arrester according to claim 6, characterized in that The other end of the upper electrode plate is connected to an insulating rod, and is connected to an electrode block through the insulating rod, and is connected to an electrode plate group through the electrode block. The electrode plate group on the side away from the electrode block is connected to a lower electrode plate.

8. The lightning arrester according to claim 6, characterized in that The protective sleeve is made of glass fiber.

9. The lightning arrester according to claim 1, characterized in that The upper connection component includes a first connection piece, and a pull ring is arranged on the first connection piece. A second connection piece is arranged on the side away from the pull ring, and the second connection piece is fixedly installed on the mounting frame of the upper connection component through a fastening connection piece.

Images