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CN-224217306-U - Explosion-proof lightning arrester

CN224217306UCN 224217306 UCN224217306 UCN 224217306UCN-224217306-U

Abstract

The utility model relates to a arrester related technical field, an embodiment of this disclosure provides an explosion-proof arrester, and it includes a pair of electrode and a plurality of resistance card, and the resistance card sets up between the electrode, and outer protection component sets up outside a pair of electrode, and support conduction component sets up between electrode and resistance card, and coupling assembling sets up outside the electrode, and outer protection component includes the interior insulating sleeve, and interior insulating sleeve parcel is outside a pair of electrode, and first draw-in groove has been seted up on electrode side surface a week, and interior insulating sleeve cartridge is provided with a plurality of stiffener in the interior insulating sleeve in first draw-in groove. Through the technical scheme, the technical problems that the lightning arrester does not have explosion-proof characteristics in the prior art, and in case of lightning strike, electric sparks, high temperature and the like can be generated in the process of releasing lightning energy, and inflammable and explosive substances are extremely easy to burn or explode are solved.

Inventors

  • WANG ZHE

Assignees

  • 保定华森电力设备制造有限公司

Dates

Publication Date
20260508
Application Date
20250526

Claims (8)

  1. 1. An explosion-proof arrester, comprising: A pair of electrodes (1) and a plurality of resistor pieces (2), wherein the resistor pieces (2) are arranged between the electrodes (1); -an outer protection assembly (3), said outer protection assembly (3) being arranged outside a pair of said electrodes (1); -a supporting conductive assembly (4), the supporting conductive assembly (4) being arranged between the electrode (1) and the resistive sheet (2); -a connection assembly (5), the connection assembly (5) being arranged outside the electrode (1); The outer protection assembly (3) comprises an inner insulation sleeve (3-1), the inner insulation sleeve (3-1) is wrapped outside the pair of electrodes (1), a first clamping groove (3-2) is formed in one circle of the side surfaces of the electrodes (1), the inner insulation sleeve (3-1) is inserted into the first clamping groove (3-2), and a plurality of reinforcing rods (3-3) are arranged in the inner insulation sleeve (3-1).
  2. 2. An explosion-proof arrester according to claim 1, wherein slots (3-4) are formed in two ends of the reinforcing rod (3-3), a plurality of inserting blocks (3-5) are arranged on the periphery of the surface of the electrode (1), the inserting blocks (3-5) are inserted into the slots (3-4), and an outer insulating umbrella cover (3-6) is sleeved outside the inner insulating sleeve (3-1).
  3. 3. An explosion-proof arrester according to claim 2, wherein the explosion-proof sleeve frame (3-7) is filled in the outer insulation umbrella cover (3-6), a second clamping groove (3-8) is formed in a circle on the side surface of the electrode (1), convex layers (3-9) are arranged at two ends of the inner surface of the outer insulation umbrella cover (3-6), and the convex layers (3-9) are inserted into the second clamping groove (3-8).
  4. 4. An explosion-proof arrester according to claim 1, wherein the supporting and conducting component (4) comprises a positioning groove (4-1), the positioning groove (4-1) is formed in the lower end face of the electrode (1), a first conducting block (4-2) is inserted in the positioning groove (4-1), a second conducting block (4-3) is movably inserted in the first conducting block (4-2), and a spring (4-4) is sleeved between the first conducting block (4-2) and the second conducting block (4-3).
  5. 5. An explosion-proof arrester according to claim 1, wherein the connecting component (5) comprises a thread groove (5-1), the thread groove (5-1) is formed on the surface of the electrode (1), a connecting screw (5-2) is screwed in the thread groove (5-1), a sealing piece (5-3) is arranged on the connecting screw (5-2), and the sealing piece (5-3) is inserted into the surface of the electrode (1).
  6. 6. A surge arrester according to claim 3, characterized in that the said explosion-proof housing (3-7) is of a multi-stage annular structure as a whole.
  7. 7. An explosion-proof arrester according to claim 1, characterized in that an insulating protection pad (6) is supported between the electrode (1) and the resistor disc (2).
  8. 8. An explosion-proof arrester according to claim 4, wherein the first conductive block (4-2) and the second conductive block (4-3) are in seamless fit connection.

Description

Explosion-proof lightning arrester Technical Field The embodiment of the disclosure relates to the technical field related to lightning arresters, in particular to an explosion-proof lightning arrester. Background In an electric power system, a lightning arrester is a key device for guaranteeing safe operation of electric equipment. Along with the continuous expansion of industrial production scale, particularly in some flammable and explosive places, such as petrochemical industry, coal mine and other fields, higher requirements are put forward on the performance of the lightning arrester. Most of traditional lightning arresters only have basic lightning protection function, do not have explosion-proof characteristics, and in these special places, once lightning stroke occurs, the lightning arresters can generate electric sparks, high temperature and the like in the process of releasing lightning energy, so that the combustion or explosion of inflammable and explosive substances is extremely easy to be caused, and the life safety of personnel and the integrity of production facilities are seriously threatened. In addition, the structural connection fitting strength of the traditional lightning arrester is poor. In long-term outdoor use, the lightning arrester is influenced by natural disasters such as wind blowing, sun drying, rain, strong wind, earthquake and the like, the connection between the internal components is easy to loosen, poor contact is caused, the normal working performance of the lightning arrester is further influenced, even faults occur, the lightning protection effect cannot be effectively exerted, and great potential safety hazards are brought to a power system. Therefore, it is urgent to develop an explosion-proof arrester with reliable explosion-proof function to meet the safety requirements of the power system in a special environment. Disclosure of utility model In order to overcome the defects, the embodiment of the disclosure provides an explosion-proof arrester, which solves the technical problems that in the prior art, the arrester does not have explosion-proof characteristics, and in case of lightning strike, electric sparks, high temperature and the like can be generated in the process of releasing lightning energy, and inflammable and explosive substances are extremely easy to burn or explode. According to one aspect, at least one embodiment of the present disclosure provides an explosion-proof arrester, comprising: A pair of electrodes and a plurality of resistor sheets, wherein the resistor sheets are arranged between the electrodes; An outer protection assembly disposed outside of the pair of electrodes; a support conductive assembly disposed between the electrode and the resistive sheet; a connection assembly disposed outside the electrode; The outer protection assembly comprises an inner insulation sleeve, the inner insulation sleeve wraps the outer portions of the pair of electrodes, a first clamping groove is formed in one circle of the side surfaces of the electrodes, the inner insulation sleeve is inserted into the first clamping groove, and a plurality of reinforcing rods are arranged in the inner insulation sleeve. As a further technical scheme, slots are formed in two ends of the reinforcing rod, a plurality of inserting blocks are arranged on the periphery of the surface of the electrode, the inserting blocks are inserted into the slots, and an outer insulating umbrella cover is sleeved outside the inner insulating cover. As a further technical scheme, the explosion-proof sleeve frame is filled in the outer insulating umbrella cover, a second clamping groove is formed in one circle of the side surface of the electrode, convex layers are arranged at two ends of the inner surface of the outer insulating umbrella cover, and the convex layers are inserted into the second clamping groove. As a further technical scheme, the supporting and conducting assembly comprises a positioning groove, the positioning groove is formed in the lower end face of the electrode, a first conducting block is inserted into the positioning groove, a second conducting block is movably inserted into the first conducting block, and a spring is sleeved between the first conducting block and the second conducting block. As a further technical scheme, the connecting assembly comprises a thread groove, the thread groove is formed in the surface of the electrode, a connecting screw is screwed in the thread groove, a sealing piece is arranged on the connecting screw, and the sealing piece is inserted into the surface of the electrode. As a further technical scheme, the explosion-proof sleeve frame is integrally in a multi-stage annular structure. As a further technical scheme, an insulating protection pad is supported between the electrode and the resistor disc. As a further technical scheme, the first conduction block and the second conduction block are in seamless fit and sleeve connection. The em