CN113130158B

CN113130158B - Explosion-proof lightning arrester

Info

Publication number: CN113130158B
Application number: CN202110417177.1A
Authority: CN
Inventors: 马丹
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2022-07-29
Anticipated expiration: 2041-04-19
Also published as: CN113130158A

Abstract

The invention discloses an explosion-proof lightning arrester, which comprises an outer shell mechanism, an inner shell mechanism, a conductive mechanism, an explosion-proof mechanism and a fixing mechanism, wherein the outer shell mechanism is arranged on the outer shell mechanism; the inner shell mechanism is placed inside the outer shell mechanism, and the conductive mechanism is arranged inside the inner shell mechanism; according to the invention, the explosion-proof mechanism is arranged, so that the device cannot explode due to overhigh internal temperature, and can automatically recover to the original shape after high-pressure and high-temperature gas in the device is discharged, so that the device can be used continuously; by arranging the protective sleeve, the high-voltage connection nozzle and the low-voltage connection nozzle can be protected, external parts are prevented from damaging the high-voltage connection nozzle and the low-voltage connection nozzle, and a certain protection effect can be achieved for workers; the device has more ideal insulation effect by arranging two insulation sleeves without contact; through setting up fixed establishment, can change high pressure connection mouth and low pressure connection mouth more easily.

Description

Explosion-proof lightning arrester

Technical Field

The invention relates to the technical field of lightning arresters. In particular to an explosion-proof lightning arrester.

Background

The lightning arrester is an electric device which can release lightning or release overvoltage energy for operation of electrical equipment, protect the electrical equipment from being damaged by instantaneous overvoltage, and can cut off follow current without causing short circuit of system ground, and is usually connected between a live wire and the ground and connected with the protected equipment in parallel, and the main function of the lightning arrester is to clip the amplitude of an invading flowing wave and reduce the overvoltage value borne by the protected equipment through the action of a parallel discharge gap or a nonlinear resistor, thereby protecting the electrical equipment, particularly, when the protected equipment runs under normal working voltage, the lightning arrester can not generate action and is regarded as open circuit for the ground, once high voltage occurs and the insulation of the protected equipment is endangered, the lightning arrester immediately acts to guide high voltage impact current to the ground, thereby limiting the voltage amplitude and protecting the insulation of the electrical equipment, when the overvoltage disappears, the lightning arrester can restore to the original state rapidly, so that the system can supply power normally.

The arrester is owing to bear the effect of power frequency voltage for a long time, and the result of these overvoltage effects leads to the rising of the inside resistance card temperature of arrester, and then makes the inside temperature of arrester rise, and the arrester in the current application is the radiating effect relatively poor mostly to current arrester can not automatic recover after by thermal destruction and continue to use, causes equipment damage, economic loss and endangers life safety even.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is to provide an explosion-proof lightning arrester which can automatically recover and can be continuously used.

In order to solve the technical problems, the invention provides the following technical scheme:

the anti-explosion lightning arrester comprises an outer shell mechanism, an inner shell mechanism, a conductive mechanism, an anti-explosion mechanism and a fixing mechanism; the explosion-proof mechanism is arranged in the outer shell mechanism and the inner shell mechanism respectively, and the fixing mechanism is arranged in the outer shell mechanism.

The explosion-proof lightning arrester comprises an explosion-proof mechanism, a gas generating block, a gas cavity, a gas outlet, a vent hole, a spring groove, a first spring and a blocking block, wherein the explosion-proof mechanism comprises a gas generating block, a gas cavity, a gas outlet hole, a vent hole, a spring groove, a first spring and a blocking block; the gas generating blocks are made of materials which can generate high-pressure gas when meeting high temperature, the number of the gas generating blocks is two or more, and the two or more gas generating blocks are respectively and fixedly arranged on the top wall and the bottom wall in the inner shell mechanism; the air cavities are arranged in the shell mechanism, the air cavities are vertically arranged in the shell mechanism, the number of the air cavities is two or more, the air cavities are communicated with external fluid of the shell mechanism through the air outlets, and each air cavity is connected with two or more air outlets; the air holes are respectively arranged on the outer shell mechanism and the inner shell mechanism, the air holes on the outer shell mechanism are matched with the air holes on the inner shell mechanism, the air cavities are communicated with the internal fluid of the inner shell mechanism through the air holes matched on the outer shell mechanism and the inner shell mechanism, and each air cavity is connected with two or more than two air holes; the spring grooves are formed in the shell mechanism, the spring grooves are located on one side, away from the vent holes, of the air cavity, the spring grooves correspond to the vent holes on the other side of the air cavity, and one end of the first spring is fixedly installed in the spring grooves; the whole blocking block is made of high-temperature-resistant rubber, the blocking block is fixedly installed at one end, far away from the spring groove, of the first spring, one part of the blocking block is inserted into the vent hole, the part, located in the vent hole, of the blocking block is designed to be hemispherical, the diameter of the part, located in the air cavity, of the blocking block is larger than that of the vent hole, the diameter of the part, located in the air cavity, of the blocking block is larger than that of the spring groove, and when one end, located in the air cavity, of the blocking block is in contact with the spring groove, one hemispherical end of the blocking block is still partially located in the vent hole; by arranging the explosion-proof mechanism, the device can not explode due to overhigh internal temperature, and can automatically recover the original shape after the high-pressure and high-temperature gas in the device is discharged, so that the device can be used continuously; when the valve block resistor generates high temperature due to overvoltage, the internal air pressure of the first insulating sleeve can be increased, and further the internal air pressure of the first insulating sleeve is higher than the external air pressure, the plugging block can be jacked up, and the gas generation block can generate high-pressure gas when meeting high temperature, so that the effect of increasing the internal air pressure of the first insulating sleeve is achieved, further the plugging block can be jacked up to a greater degree, and when the internal gas flows to the outside through the air vent, the air cavity and the air outlet, a large amount of heat can be driven, the effect of reducing the internal temperature of the first insulating sleeve is achieved, when the internal air pressure of the first insulating sleeve is equal to the external air pressure, the plugging block can be jacked into the air vent again due to the elasticity of the first spring, so that the valve block can be used continuously.

According to the explosion-proof lightning arrester, the shell mechanism comprises an outer sleeve, a hinge, a fixing piece, a through hole, a protective sleeve and a connecting piece; the outer sleeve is formed by pressing and injecting silicon rubber, the outer sleeve is a cylindrical barrel body which is formed by hinging two half columns through the hinges, the fixing part is fixedly arranged on one side of each of the two half columns corresponding to the hinges, the fixing part is used for connecting the two half columns in a screw fixing mode, and the fixing part can also be used for fixedly connecting the two half columns in other fixing modes; the through holes are respectively formed in the central positions of the top end and the bottom end of the outer sleeve, the material of the protective sleeves is the same as that of the outer sleeve, the number of the protective sleeves is two, the two protective sleeves are respectively and fixedly installed at the central positions of the top end and the bottom end of the outer sleeve through the connecting pieces, and the diameter of each through hole is smaller than that of each protective sleeve; through setting up the protective sheath, can protect high pressure connection line mouth and low pressure connector lug, prevent that the external component from causing the damage to high pressure connection line mouth and low pressure connector lug to can also play certain protection effect to the staff.

In the explosion-proof lightning arrester, the inner shell mechanism comprises a first insulating sleeve, a connecting block and a second insulating sleeve; the first insulating sleeve is arranged inside the outer sleeve, the outer surface of the first insulating sleeve is tightly attached to the inner surface of the outer sleeve, the connecting blocks are fixedly arranged inside the first insulating sleeve, the number of the connecting blocks is two or more, the second insulating sleeve is tubular, the second insulating sleeve is fixedly arranged at one end, far away from the first insulating sleeve, of the connecting block, and the second insulating sleeve and the first insulating sleeve are coaxially arranged; through setting up two insulation covers that do not have the contact, can make this device insulating effect more ideal.

The anti-explosion lightning arrester comprises a conductive mechanism, a first spring, a second spring, a high-pressure connecting wire nozzle, a low-pressure connecting wire nozzle and a ground wire, wherein the conductive mechanism comprises a valve plate resistor, the second spring, the high-pressure connecting wire nozzle, the low-pressure connecting wire nozzle and the ground wire; the valve plate resistors are arranged inside the second insulating sleeve in a sliding mode, and the number of the valve plate resistors is two or more; the high-voltage connection wire nozzle is arranged in the protective sleeve at the top end of the outer sleeve, and the bottom end of the high-voltage connection wire nozzle penetrates through the through hole and the first insulating sleeve and extends into the first insulating sleeve; the low-voltage connection wire nozzle is arranged in the protective sleeve at the bottom end of the outer sleeve, the top end of the low-voltage connection wire nozzle penetrates through the through hole and the first insulating sleeve and extends into the first insulating sleeve, and the low-voltage connection wire nozzle is connected with the ground wire; the number of the second springs is two, one ends of the two second springs are respectively and fixedly installed at one ends, located in the first insulating sleeve, of the high-voltage connection wire nozzle and the low-voltage connection wire nozzle, the other ends of the two second springs are respectively abutted against the top end and the bottom end of the valve block resistor, and the two second springs are in a compressed state; through setting up the second spring, can make high pressure connection terminal mouth and low pressure connection terminal mouth can be in the same place with valve block resistance butt all the time.

In the above anti-explosion lightning arrester, the fixing mechanism includes a pull block groove, a pull block, a locking column, a spring cavity, a retainer ring, a third spring and a locking groove; the pull block grooves are respectively formed in two sides of the outer sleeve and are respectively close to the top end and the bottom end, the pull block grooves are respectively located on two sides of the through hole, the pull block is arranged in the pull block groove, one end of the locking column is fixedly connected with the pull block, the other end of the locking column penetrates through the outer sleeve and extends into the through hole, and the locking column is perpendicular to the through hole; the spring cavity is arranged in the outer sleeve, the spring cavity and the locking column are coaxially designed, the baffle ring is sleeved on the outer surface of the locking column, the baffle ring is positioned at one end, close to the through hole, in the spring cavity, the third spring is sleeved on the outer surface of the locking column, the third spring is positioned in the spring cavity, the third spring is positioned at one side, far away from the through hole, of the baffle ring, and the third spring is in a micro-compression state; the locking groove is formed in the parts, located in the through hole, of the high-voltage connection wire nozzle and the low-voltage connection wire nozzle, the locking groove is annular, and one end, located in the through hole, of the locking column is inserted into the locking groove; through setting up fixed establishment, can change high pressure connection mouth and low pressure connection mouth more easily.

The technical scheme of the invention achieves the following beneficial technical effects:

according to the invention, the explosion-proof mechanism is arranged, so that the device cannot explode due to overhigh internal temperature, and can automatically recover to the original shape after high-pressure and high-temperature gas in the device is discharged, so that the device can be used continuously; when the valve block resistor generates high temperature due to overvoltage, the internal air pressure of the first insulating sleeve can be increased, and further the internal air pressure of the first insulating sleeve is higher than the external air pressure, the plugging block can be jacked up, and the gas generation block can generate high-pressure gas when meeting high temperature, so that the effect of increasing the internal air pressure of the first insulating sleeve is achieved, further the plugging block can be jacked up to a greater degree, and when the internal gas flows to the outside through the air vent, the air cavity and the air outlet, a large amount of heat can be driven, the effect of reducing the internal temperature of the first insulating sleeve is achieved, when the internal air pressure of the first insulating sleeve is equal to the external air pressure, the plugging block can be jacked into the air vent again due to the elasticity of the first spring, so that the valve block can be used continuously.

According to the invention, the high-voltage connection nozzle and the low-voltage connection nozzle can be protected by arranging the protective sleeve, so that the high-voltage connection nozzle and the low-voltage connection nozzle are prevented from being damaged by external parts, and a certain protection effect can be achieved for workers.

According to the invention, the two insulation sleeves which are not in contact are arranged, so that the device has a more ideal insulation effect.

According to the invention, the second spring is arranged, so that the high-voltage connection nozzle and the low-voltage connection nozzle can be always abutted with the valve plate resistor.

According to the invention, the high-voltage connection nozzle and the low-voltage connection nozzle can be replaced more easily by arranging the fixing mechanism.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of FIG. 1 at B according to the present invention;

FIG. 4 is a schematic view of the back side of the jacket of the present invention;

fig. 5 is a schematic front view of the jacket of the present invention.

The reference numbers in the figures denote: 100-a housing mechanism; 200-an inner shell mechanism; 300-a conductive mechanism; 400-an explosion-proof mechanism; 500-a securing mechanism; 101-a jacket; 102-a hinge; 103-a fixing member; 104-a through hole; 105-a protective sheath; 106-a connector; 201-a first insulating sleeve; 202-connecting block; 203-a second insulating sleeve; 301-valve plate resistance; 302-a second spring; 303-high pressure connection wire nozzle; 304-low pressure wire nozzle; 305-ground line; 401-gas producing block; 402-air cavity; 403-air outlet holes; 404-a vent; 405-a spring slot; 406-a first spring; 407-plugging block; 501-a pull block groove; 502-pull block; 503-locking post; 504-spring chamber; 505-a retaining ring; 506-a third spring; 507-locking groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

An explosion-proof lightning arrester comprises an outer shell mechanism 100, an inner shell mechanism 200, a conductive mechanism 300, an explosion-proof mechanism 400 and a fixing mechanism 500; the inner shell mechanism 200 is placed inside the outer shell mechanism 100, the conductive mechanism 300 is arranged inside the inner shell mechanism 200, the top end and the bottom end of the conductive mechanism 300 penetrate through the inner shell mechanism 200 and extend into the outer shell mechanism 100, the explosion-proof mechanism 400 is respectively arranged in the outer shell mechanism 100 and the inner shell mechanism 200, and the fixing mechanism 500 is arranged inside the outer shell mechanism 100.

As shown in fig. 1 and 3, the explosion-proof mechanism 400 comprises a gas generating block 401, a gas cavity 402, a gas outlet 403, a vent hole 404, a spring groove 405, a first spring 406 and a blocking block 407; the gas generating blocks 401 are made of materials which can generate high-pressure gas when meeting high temperature, the number of the gas generating blocks 401 is two or more, and the two or more gas generating blocks 401 are fixedly arranged on the top wall and the bottom wall in the inner shell mechanism 200 respectively; the air cavities 402 are arranged in the shell mechanism 100, the air cavities 402 are vertically arranged in the shell mechanism 100, the number of the air cavities 402 is two or more, the air cavities 402 are communicated with external fluid of the shell mechanism 100 through air outlets 403, and each air cavity 402 is connected with two or more air outlets 403; the vent holes 404 are respectively arranged on the outer shell mechanism 100 and the inner shell mechanism 200, the vent holes 404 on the outer shell mechanism 100 are matched with the vent holes 404 on the inner shell mechanism 200, the air cavities 402 are communicated with the internal fluid of the inner shell mechanism 200 through the matched vent holes 404 on the outer shell mechanism 100 and the inner shell mechanism 200, and each air cavity 402 is connected with two or more vent holes 404; the spring groove 405 is arranged in the housing mechanism 100, the spring groove 405 is positioned on one side of the air cavity 402 away from the vent 404, the spring grooves 405 correspond to the vent 404 on the other side of the air cavity 402, and one end of the first spring 406 is fixedly arranged in the spring groove 405; the whole blocking block 407 is made of high-temperature-resistant rubber, the blocking block 407 is fixedly mounted at one end, away from the spring groove 405, of the first spring 406, a part of the blocking block 407 is inserted into the vent hole 404, the part, located in the vent hole 404, of the blocking block 407 is in a hemispherical design, the diameter of the part, located in the air cavity 402, of the blocking block 407 is larger than that of the vent hole 404, the diameter of the part, located in the air cavity 402, of the blocking block 407 is larger than that of the spring groove 405, and when one end, located in the air cavity 402, of the blocking block 407 is in contact with the spring groove 405, one hemispherical end of the blocking block 407 is still partially located in the vent hole 404; by arranging the explosion-proof mechanism 400, the device can not explode due to overhigh internal temperature, and can automatically recover to the original shape after high-pressure and high-temperature gas in the device is discharged, so that the device can be used continuously; when the valve sheet resistor 301 generates high temperature due to overvoltage, the air pressure inside the first insulating sleeve 201 can be increased, and then the air pressure inside the first insulating sleeve 201 is higher than the external air pressure, the blocking block 407 can be jacked up, and the gas generating block 401 can generate high-pressure gas when encountering high temperature, so that the effect of increasing the air pressure inside the first insulating sleeve 201 is achieved, and further the blocking block 407 can be jacked up to a greater extent, and the internal gas can drive a large amount of heat when flowing to the outside through the vent hole 404, the gas cavity 402 and the gas outlet 403, so that the effect of reducing the internal temperature of the first insulating sleeve 201 is achieved, when the air pressure inside the first insulating sleeve 201 is equal to the outside, the blocking block 407 can be jacked into the vent hole 404 again due to the elastic force of the first spring 406, so as to be used continuously.

As shown in fig. 1, 4 and 5, the housing mechanism 100 includes an outer case 101, a hinge 102, a fixing member 103, a through hole 104, a protective case 105 and a connecting member 106; the outer sleeve 101 is formed by pressing and injecting silicon rubber, the outer sleeve 101 is a cylindrical barrel body which is formed by hinging two half columns through hinges 102, fixing pieces 103 are fixedly arranged on one sides of the two half columns corresponding to the hinges 102, the two half columns are connected through the fixing pieces 103 in a screw fixing mode, and the two half columns can be fixedly connected through the fixing pieces 103 in other fixing modes; the through holes 104 are respectively formed in the center positions of the top end and the bottom end of the outer sleeve 101, the material of the protective sleeves 105 is the same as that of the outer sleeve 101, the number of the protective sleeves 105 is two, the two protective sleeves 105 are respectively and fixedly installed at the center positions of the top end and the bottom end of the outer sleeve 101 through the connecting piece 106, and the diameter of each through hole 104 is smaller than that of each protective sleeve 105; through setting up protective sheath 105, can protect high pressure connector lug 303 and low pressure connector lug 304, prevent that the external component from causing the damage to high pressure connector lug 303 and low pressure connector lug 304 to can also play certain protection effect to the staff.

As shown in fig. 1, the inner housing mechanism 200 includes a first insulating sleeve 201, a connection block 202, and a second insulating sleeve 203; the first insulating sleeve 201 is arranged inside the outer sleeve 101, the outer surface of the first insulating sleeve 201 is tightly attached to the inner surface of the outer sleeve 101, the connecting blocks 202 are fixedly arranged inside the first insulating sleeve 201, the number of the connecting blocks 202 is two or more, the second insulating sleeve 203 is tubular, the second insulating sleeve 203 is fixedly arranged at one end, far away from the first insulating sleeve 201, of the connecting block 202, and the second insulating sleeve 203 and the first insulating sleeve 201 are coaxially arranged; the device has more ideal insulation effect by arranging two insulation sleeves without contact; the conducting mechanism 300 comprises a valve sheet resistor 301, a second spring 302, a high-voltage connector 303, a low-voltage connector 304 and a ground wire 305; the valve sheet resistors 301 are slidably mounted inside the second insulating sleeve 203, and the number of the valve sheet resistors 301 is two or more; the high-voltage wire nozzle 303 is arranged in the protective sleeve 105 at the top end of the outer sleeve 101, and the bottom end of the high-voltage wire nozzle 303 penetrates through the through hole 104 and the first insulating sleeve 201 and extends into the first insulating sleeve 201; the low-voltage wire nozzle 304 is arranged in the protective sleeve 105 at the bottom end of the outer sleeve 101, the top end of the low-voltage wire nozzle 304 penetrates through the through hole 104 and the first insulating sleeve 201 to extend into the first insulating sleeve 201, and the low-voltage wire nozzle 304 is connected with the ground wire 305; the number of the second springs 302 is two, one ends of the two second springs 302 are respectively and fixedly installed at one ends of the high-voltage connection wire nozzle 303 and the low-voltage connection wire nozzle 304 which are positioned in the first insulating sleeve 201, the other ends of the two second springs 302 are respectively abutted against the top end and the bottom end of the valve sheet resistor 301, and the two second springs 302 are in a compressed state; by providing the second spring 302, the high voltage terminal 303 and the low voltage terminal 304 can be always abutted against the valve sheet resistor 301.

As shown in fig. 1-2, the securing mechanism 500 includes a pull block slot 501, a pull block 502, a locking post 503, a spring cavity 504, a retainer ring 505, a third spring 506, and a locking slot 507; the pull block grooves 501 are respectively formed in the two sides of the outer sleeve 101 and are respectively close to the top end and the bottom end, the pull block grooves 501 are respectively located on the two sides of the through hole 104, the pull block 502 is arranged in the pull block grooves 501, one end of the locking column 503 is fixedly connected with the pull block 502, the other end of the locking column 503 penetrates through the outer sleeve 101 and extends into the through hole 104, and the locking column 503 is designed to be perpendicular to the through hole 104; the spring cavity 504 is arranged in the outer sleeve 101, the spring cavity 504 and the locking column 503 are coaxially designed, the retainer ring 505 is sleeved on the outer surface of the locking column 503, the retainer ring 505 is positioned at one end, close to the through hole 104, in the spring cavity 504, the third spring 506 is sleeved on the outer surface of the locking column 503, the third spring 506 is positioned in the spring cavity 504, the third spring 506 is positioned at one side, far away from the through hole 104, of the retainer ring 505, and the third spring 506 is in a micro-compression state; the locking groove 507 is formed in the parts of the high-voltage connection nozzle 303 and the low-voltage connection nozzle 304, which are positioned in the through hole 104, the locking groove 507 is annular, and one end of the locking column 503, which is positioned in the through hole 104, is inserted into the locking groove 507; by providing the fixing mechanism 500, the high voltage connection terminal 303 and the low voltage connection terminal 304 can be replaced more easily.

The working principle is as follows: by arranging the explosion-proof mechanism 400, the device can not explode due to overhigh internal temperature, and can automatically recover to the original shape after high-pressure and high-temperature gas in the device is discharged, so that the device can be used continuously; when the valve sheet resistor 301 generates high temperature due to overvoltage, the air pressure inside the first insulating sleeve 201 is increased, and then the air pressure inside the first insulating sleeve 201 is higher than the external air pressure, the blocking block 407 is jacked up, and when the gas generating block 401 encounters high temperature, high-pressure gas is generated, so that the effect of increasing the air pressure inside the first insulating sleeve 201 is achieved, and further the blocking block 407 is jacked up to a greater extent, and when the internal gas flows to the outside through the vent hole 404, the gas cavity 402 and the gas outlet hole 403, a large amount of heat is driven, so that the effect of reducing the internal temperature of the first insulating sleeve 201 is achieved, when the air pressure inside the first insulating sleeve 201 is equal to the external air pressure, due to the elastic force of the first spring 406, the blocking block 407 is jacked into the vent hole 404 again for continuous use, by arranging the protective sleeve 105, the high-pressure wiring nozzle 303 and the low-pressure wiring nozzle 304 can be protected, and external components can be prevented from damaging the high-pressure wiring nozzle 303 and the low-pressure wiring nozzle 304, moreover, a certain protection effect can be achieved for workers, the device can be more ideal in insulation effect by arranging two insulation sleeves without contact, the high-voltage connector lug 303 and the low-voltage connector lug 304 can be always abutted to the valve sheet resistor 301 by arranging the second spring 302, and the high-voltage connector lug 303 and the low-voltage connector lug 304 can be more easily replaced by arranging the fixing mechanism 500.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications derived therefrom are intended to be within the scope of the claims of this patent.

Claims

1. An explosion-proof lightning arrester is characterized by comprising an outer shell mechanism (100), an inner shell mechanism (200), a conductive mechanism (300), an explosion-proof mechanism (400) and a fixing mechanism (500);

the inner shell mechanism (200) is placed inside the outer shell mechanism (100), the conductive mechanism (300) is arranged inside the inner shell mechanism (200), the top end and the bottom end of the conductive mechanism (300) penetrate through the inner shell mechanism (200) and extend into the outer shell mechanism (100), the explosion-proof mechanism (400) is respectively arranged in the outer shell mechanism (100) and the inner shell mechanism (200), and the fixing mechanism (500) is arranged inside the outer shell mechanism (100);

the explosion-proof mechanism (400) comprises a gas generating block (401), a gas cavity (402), a gas outlet hole (403), a vent hole (404), a spring groove (405), a first spring (406) and a blocking block (407);

The gas generating blocks (401) are made of materials which can generate high-pressure gas when meeting high temperature, the number of the gas generating blocks (401) is two or more, and the two or more gas generating blocks (401) are fixedly arranged on the top wall and the bottom wall of the inner shell mechanism (200) respectively;

the air cavities (402) are arranged in the shell mechanism (100), the air cavities (402) are vertically arranged in the shell mechanism (100), the number of the air cavities (402) is two or more, the air cavities (402) are communicated with external fluid of the shell mechanism (100) through the air outlets (403), and each air cavity (402) is connected with two or more air outlets (403);

the vent holes (404) are respectively arranged on the outer shell mechanism (100) and the inner shell mechanism (200), the vent holes (404) on the outer shell mechanism (100) are matched with the vent holes (404) on the inner shell mechanism (200), the air cavities (402) are communicated with the internal fluid of the inner shell mechanism (200) through the matched vent holes (404) on the outer shell mechanism (100) and the inner shell mechanism (200), and each air cavity (402) is connected with two or more vent holes (404);

The spring groove (405) is arranged in the shell mechanism (100), the spring groove (405) is positioned on one side, away from the vent hole (404), of the air cavity (402), the spring grooves (405) correspond to the vent hole (404) on the other side of the air cavity (402), and one end of the first spring (406) is fixedly arranged in the spring groove (405);

the whole blocking block (407) is made of high-temperature-resistant rubber, the blocking block (407) is fixedly mounted at one end, away from the spring groove (405), of the first spring (406), one part of the blocking block (407) is inserted into the vent hole (404), the part, located in the vent hole (404), of the blocking block (407) is in a hemispherical design, the diameter of the part, located in the air cavity (402), of the blocking block (407) is larger than that of the vent hole (404), the diameter of the part, located in the air cavity (402), of the blocking block (407) is larger than that of the spring groove (405), and when one end, located in the air cavity (402), of the blocking block (407) is in contact with the spring groove (405), one hemispherical end of the blocking block (407) is still partially located in the vent hole (404).

2. An explosion-proof lightning conductor according to claim 1, characterized in that the housing means (100) comprises an outer casing (101), hinges (102), fasteners (103), through holes (104), a protective casing (105) and connectors (106);

The outer sleeve (101) is formed by injection molding of silicon rubber, the outer sleeve (101) is a cylindrical barrel body formed by hinging two semi-columns through the hinges (102), the fixing pieces (103) are fixedly arranged on one sides of the two semi-columns corresponding to the hinges (102), the fixing pieces (103) are used for connecting the two semi-columns in a screw fixing mode, and the fixing pieces (103) can also be used for fixedly connecting the two semi-columns in other fixing modes;

the through hole (104) is seted up respectively the top of overcoat (101) is put the department with the bottom central point, the material of protective sheath (105) with the material of overcoat (101) is the same, the quantity of protective sheath (105) is two, two protective sheath (105) pass through connecting piece (106) fixed mounting is put the department at the top of overcoat (101) and the central point of bottom respectively, just the diameter of through hole (104) is less than the diameter of protective sheath (105).

3. An explosion-proof lightning protection device according to claim 2, characterized in that the inner housing means (200) comprises a first insulating sleeve (201), a connecting block (202) and a second insulating sleeve (203);

first insulating cover (201) set up the inside of overcoat (101), just the surface of first insulating cover (201) with the internal surface of overcoat (101) closely laminates, connecting block (202) fixed mounting be in the inside of first insulating cover (201), the quantity of connecting block (202) is two or more, the shape of second insulating cover (203) is the tubulose, second insulating cover (203) fixed mounting be kept away from connecting block (202) the one end of first insulating cover (201), just second insulating cover (203) with first insulating cover (201) coaxial setting.

4. An explosion-proof lightning protection device according to claim 3, characterized in that the conducting means (300) comprises a valve resistor (301), a second spring (302), a high voltage connector (303), a low voltage connector (304) and a ground wire (305);

the valve sheet resistors (301) are slidably mounted inside the second insulating sleeve (203), and the number of the valve sheet resistors (301) is two or more;

the high-voltage wire nozzle (303) is arranged in the protective sleeve (105) at the top end of the outer sleeve (101), and the bottom end of the high-voltage wire nozzle (303) penetrates through the through hole (104) and the first insulating sleeve (201) to extend into the first insulating sleeve (201);

the low-voltage wire nozzle (304) is arranged in the protective sleeve (105) at the bottom end of the outer sleeve (101), the top end of the low-voltage wire nozzle (304) penetrates through the through hole (104) and the first insulating sleeve (201) to extend into the first insulating sleeve (201), and the low-voltage wire nozzle (304) is connected with the ground wire (305);

the quantity of second spring (302) is two, two the one end of second spring (302) is fixed mounting respectively high pressure connection line mouth (303) with low pressure connection line mouth (304) are located one end in first insulating bush (201), two the other end of second spring (302) butt respectively on the top and the bottom of valve block resistance (301), and two second spring (302) are compression state.

5. An explosion-proof lightning conductor according to claim 4, characterized in that the fixing mechanism (500) comprises a pull block groove (501), a pull block (502), a locking post (503), a spring cavity (504), a retainer ring (505), a third spring (506) and a locking groove (507);

the pull block groove (501) is respectively arranged at two sides of the outer sleeve (101) and is respectively close to the top end and the bottom end, the pull block groove (501) is respectively positioned at two sides of the through hole (104), the pull block (502) is arranged in the pull block groove (501), one end of the locking column (503) is fixedly connected with the pull block (502), the other end of the locking column (503) penetrates through the outer sleeve (101) and extends into the through hole (104), and the locking column (503) is designed to be perpendicular to the through hole (104);

the spring cavity (504) is arranged inside the outer sleeve (101), the spring cavity (504) and the locking column (503) are coaxially designed, the retainer ring (505) is sleeved on the outer surface of the locking column (503), the retainer ring (505) is positioned at one end, close to the through hole (104), inside the spring cavity (504), the third spring (506) is sleeved on the outer surface of the locking column (503), the third spring (506) is positioned inside the spring cavity (504), the third spring (506) is positioned at one side, far away from the through hole (104), of the retainer ring (505), and the third spring (506) is in a micro-compression state;

The locking groove (507) is formed in the part, located in the through hole (104), of the high-pressure connection wire nozzle (303) and the low-pressure connection wire nozzle (304), the locking groove (507) is annular, and one end, located in the through hole (104), of the locking column (503) is inserted into the locking groove (507).