CN204732241U - The explosion-proof breaking line preventive insulator of lightning protection - Google Patents
The explosion-proof breaking line preventive insulator of lightning protection Download PDFInfo
- Publication number
- CN204732241U CN204732241U CN201520500856.5U CN201520500856U CN204732241U CN 204732241 U CN204732241 U CN 204732241U CN 201520500856 U CN201520500856 U CN 201520500856U CN 204732241 U CN204732241 U CN 204732241U
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- joint
- explosion
- insulating cylinder
- gold utensil
- lightning protection
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Abstract
The utility model relates to power equipment technical field, the explosion-proof breaking line preventive insulator of a kind of lightning protection specifically, comprise umbrella body, upper gold utensil and lower gold utensil, umbrella body, between upper gold utensil and the inwall of lower gold utensil, form an enclosed cavity, this enclosed cavity is embedded with insulating cylinder, insulating cylinder inner top is provided with porcelain tube, and the two ends of porcelain tube are provided with electric discharge sheet and lower electric discharge sheet; In insulating cylinder, middle part is provided with interior electrode, and it offers two screws, and joint and the screw of hollow spin; Described joint comprises the first joint and the second joint, and described first joint is fixedly connected with fixing discharge lever, and described second joint is connected with movable discharge lever.The beneficial effects of the utility model there are provided the explosion-proof breaking line preventive insulator of a kind of lightning protection, and it is with obvious fault cues function and hidden danger of not falling; During pressure release, gas channel is unobstructed, and insulating cylinder intensity is higher, and the pressure of pressure release controls precisely, more safe and reliable than existing insulator.
Description
Technical field
The utility model relates to power equipment technical field, particularly relates to the insulator for transmission line in electric power system, power distribution circuit and transformer station, the explosion-proof breaking line preventive insulator of a kind of lightning protection specifically.
Background technology
Existing transmission of electricity power distribution circuit all have employed insulated conductor, they solve the safety problems such as the electric current corridor that plain conductor originally has, but the overvoltage caused due to reasons such as thunderbolts in actual use breaks, the situation making whole electric line produce operation troubles happens occasionally, especially south China area, the meteorology that lightning flashes and thunder rumbles is more frequent, therefore the electric network fault caused has accounted for 36.8% of whole line fault, wherein lightning-caused breaking rate accounts for 96.8%, greatly have impact on the normal power supply of gauze, cause huge loss to national economy.Therefore the disconnection problem that insulated conductor causes because of overvoltage must be solved, the safe operation of guarantee overhead insulating transmission and distribution network.
Existing compound pillar zinc oxide anti-thunder insulator, be connected in series by internal clearance group and zinc oxide resistance sheet, interior electrode, outer envelope silastic material, upper end gold utensil is electrode, and lower end construction bolt is by metallic support or wire ground composition.Such as publication number is that the Chinese invention patent of CN 102779591 A discloses a kind of composite column-type wire-break prevention insulator, comprise umbrella body (1), terminals gold utensil (2) and earth terminal gold utensil (3), in the upper end of the fixedly embedded umbrella body (1) in bottom of terminals gold utensil (2), in the lower end of the fixedly embedded umbrella body (1) in top of earth terminal gold utensil (3), umbrella body (1), an enclosed cavity is formed between the inwall of terminals gold utensil (2) and earth terminal gold utensil (3), this enclosed cavity is embedded with insulating cylinder (4), the hollow insulating cylinder that described insulating cylinder (4) is both ends open, cavity bottom in insulating cylinder (4) is provided with spring (5), the upside of spring (5) is provided with resistor disc (6), the upside of resistor disc (6) is provided with hollow magnet ring (7), the two ends of magnet ring (7) are provided with the copper sheet (8) of truncated cone-shaped.But the anti-thunder insulator of this kind of structure is when suffering multiple or direct attack thunderbolt, interior insulator gas sharply expands, easily wash gold utensil open or destroy epoxy cylinder, anti-thunder insulator is caused to damage, and owing to damaging without obviously identifying, inspection attendant not easily finds the anti-thunder insulator damaged, and brings hidden danger, need to be improved to the safe operation of distribution line.
Publication number is that the Chinese utility model patent of CN203895206U discloses a kind of dual lightning protection explosion-proof combined column formula insulator, it has offered earth pressure release groove at insulating cylinder, and arcing ring has been set up outside earth pressure release groove, make when interior insulator gas sharply expands, arcing ring can be washed open to identify fault.But still there is obvious defect in it: arcing ring owing to lacking extra fixingly to fall, exists potential safety hazard to the Pedestrians and vehicles passed by after being rushed to open; Its pressure relief opening is the not through hole be opened on insulating cylinder outer wall, and its pressure threshold is inconvenient to control, and its whole gas channel complex structure, air guide inefficiency, easily causes insulating cylinder entirety destroyed when pressure is excessive.
Utility model content
The technical problems to be solved in the utility model is: providing a kind of does not have an explosion-proof breaking line preventive insulator of the lightning protection of potential safety hazard with obvious fault cues function.
For solving the problems of the technologies described above, the utility model provides following technical scheme: the explosion-proof breaking line preventive insulator of lightning protection, comprise umbrella body, upper gold utensil and lower gold utensil, in the upper end of the fixedly embedded umbrella body in bottom of upper gold utensil, in the lower end of the fixedly embedded umbrella body in top of lower gold utensil, umbrella body, form an enclosed cavity between upper gold utensil and the inwall of lower gold utensil, this enclosed cavity is embedded with insulating cylinder, and described insulating cylinder is the hollow insulating cylinder of both ends open; Described insulating cylinder inner bottom part is provided with resistance and spring, can be arranged at below spring by resistance, also can be arranged at above spring by resistance; Described insulating cylinder inner top is provided with hollow porcelain tube, and the two ends of described porcelain tube are provided with electric discharge sheet and lower electric discharge sheet; In described insulating cylinder, middle part is provided with interior electrode; The excircle of described interior electrode offers two screws, and in the correspondence of umbrella body and insulating cylinder, the screw place of electrode is equipped with through hole, and joint and the screw of hollow spin, and is fixedly connected with by interior electrode with insulating cylinder, umbrella body; Described joint comprises the first joint and the second joint, and described first joint is fixedly connected with fixing starting rod, and described second joint is connected with movable starting rod, is provided with explosion-proof pad between described second joint and movable starting rod;
Described movable starting rod comprises stiff end and movable end; Described stiff end and movable end are connected through the hinge; Described stiff end is hollow structure, and one end is fixedly connected with the second joint; Described movable end comprises pole body, locking spring and plunger piston locking, and described pole body is hollow structure, and described locking spring is arranged in the cavity of pole body, and one end of described locking spring contacts with cavity bottom, and the other end is fixedly connected with plunger piston locking; The other end of described stiff end can hold plunger piston locking just; Under insulator normal operation, the tension force of locking spring makes plunger piston locking go deep into stiff end inside; When interior insulator gas reaches preset pressure when sharply expanding, wash explosion-proof pad open, and promotion plunger piston locking exits stiff end inside further, when retreating to predeterminable range, stiff end is separated with movable end; Due to the effect of hinge, after movable end is separated with stiff end in vertical state, the insulator broken down can easily be found when attendant checks circuit.
Preferably, described interior electrode is that hollow is arranged, and the internal cavities of interior electrode central cavity and the second joint connects, can for providing gas channel when interior insulator gas sharply expands.
Preferably, regulating sleeve is provided with below described spring, described regulating sleeve is made up of the rigid material being easy to process, when increasing the use amount of resistance as required, the height that can reduce support set easily makes spring have suitable tension force, and do not need the spring being equipped with plurality of specifications to play the effect of regulating spring pressure, make every resistor disc pressure identical.
Preferably, described movable starting rod surface coverage has reflective membrane or reflecting coating, so that can easily find the insulator broken down when attendant checks circuit.
Preferably, described stiff end is explosion-proof valve seat.
Preferably, the bottom of upper gold utensil and on discharge between sheet and be provided with taper spring, apply pressure with the position of fixing porcelain tube for giving upper electric discharge sheet.
Preferably, described insulating cylinder is high-strength epoxy cylinder.
Preferably, described resistance is ZnO resistors.
The beneficial effects of the utility model there are provided the explosion-proof breaking line preventive insulator of a kind of lightning protection, and it is with obvious fault cues function and hidden danger of not falling; During pressure release, gas channel is unobstructed, and insulating cylinder intensity is higher, and the pressure of pressure release controls precisely, more safe and reliable than existing insulator.
Accompanying drawing explanation
Fig. 1 is the cutaway view of the explosion-proof breaking line preventive insulator of the utility model lightning protection embodiment in normal operation.
Fig. 2 is the cutaway view of the embodiment under the explosion-proof breaking line preventive insulator of the utility model lightning protection is nonserviceabled.
Fig. 3 is the partial sectional view of the embodiment of the explosion-proof breaking line preventive insulator of the utility model lightning protection.
Reference numeral: 1. umbrella body; 2. go up gold utensil; 3. play gold utensil; 4. insulating cylinder; 5. resistance; 6. spring; 7. porcelain tube; Discharge on 71. sheet; 72. times electric discharge sheets; 8. electrode in; 91. first joints; 92. second joints; 10. fixing starting rod; 11. movable starting rods; 12. explosion-proof pads; 13. stiff ends; 14. plunger piston lockings; 15. locking springs; 16. pole bodies; 17. hinges; 18. support sets; 19. taper springs; Electrode central cavity in 20..
Embodiment
The explosion-proof breaking line preventive insulator of lightning protection as Figure 1-3, comprise umbrella body 1, upper gold utensil 2 and lower gold utensil 3, in the upper end of the fixedly embedded umbrella body 1 in bottom of upper gold utensil 2, in the lower end of the fixedly embedded umbrella body 1 in top of lower gold utensil 3, umbrella body 1, between upper gold utensil 2 and the inwall of lower gold utensil 3, form an enclosed cavity, this enclosed cavity is embedded with insulating cylinder 4, and insulating cylinder 4 is the hollow insulating cylinder of both ends open; Described insulating cylinder 4 inner bottom part is provided with resistance 5 and spring 6, and resistance 5 is arranged at below spring 6; Insulating cylinder 3 inner top is provided with hollow porcelain tube 7, and the two ends of porcelain tube 7 are provided with electric discharge sheet 71 and lower electric discharge sheet 72; In insulating cylinder 4, middle part is provided with interior electrode 8; The excircle of interior electrode 8 offers two screws, and in the correspondence of umbrella body 1 and insulating cylinder 4, the screw place of electrode is equipped with through hole, and joint and the screw of hollow spin, and is fixedly connected with by interior electrode 8 with insulating cylinder 4, umbrella body 1; Described joint comprises the first joint 91 and the second joint 92, first joint 91 is fixedly connected with fixing starting rod 10, and the second joint 92 is connected with movable starting rod 11, is provided with explosion-proof pad 12 between the second joint 92 and movable starting rod 11; Critical pressure is adjusted by the thickness arranging explosion-proof pad;
Movable starting rod 11 comprises stiff end 13 and movable end; Stiff end 13 is connected by hinge 17 with movable end; Stiff end 13 is hollow structure, and one end is fixedly connected with the second joint 92; Movable end comprises pole body 16, locking spring 15 and plunger piston locking 14, and pole body 16 is hollow structure, and locking spring 15 is arranged in the cavity of pole body 16, and one end of locking spring 15 contacts with cavity bottom, and the bottom connection of the other end and plunger piston locking 14 touches; The other end of stiff end 13 can hold plunger piston locking 14 just; Under insulator normal operation, the tension force of locking spring 15 makes plunger piston locking 14 go deep into stiff end 13 inside; As shown in Figure 2, when reaching preset pressure when interior insulator gas sharply expands, wash explosion-proof pad 12 open, and promotion plunger piston locking 14 exits stiff end 13 inside further, when retreating to predeterminable range, stiff end 13 is separated with movable end; Due to the effect of hinge 17, movable end in vertical state, can easily find the insulator broken down after being separated with stiff end 13 when attendant checks circuit.
In a preferred implementation of the present utility model, interior electrode 8 is hollow setting, and the internal cavities of interior electrode central cavity 20 and the second joint 92 connects, can for providing gas channel when interior insulator gas sharply expands.
In a preferred implementation of the present utility model, regulating sleeve 18 is provided with below spring 6, support set 18 is made up of the rigid material being easy to process, when increasing the use amount of resistance as required, the height that can reduce support set easily makes spring have suitable tension force, and do not need the spring being equipped with plurality of specifications to play the effect of regulating spring pressure, make every resistor disc pressure identical.
In a preferred implementation of the present utility model, movable starting rod 11 surface coverage has reflective membrane or reflecting coating, so that can easily find the anti-thunder insulator broken down when attendant checks circuit.
In a preferred implementation of the present utility model, stiff end 13 is explosion-proof valve seat.
In a preferred implementation of the present utility model, the bottom of upper gold utensil 2 and on discharge between sheet 71 and be provided with taper spring 19, apply pressure with the position of fixing porcelain tube 7 for giving upper electric discharge sheet.
In a preferred implementation of the present utility model, insulating cylinder 4 is high-strength epoxy cylinder.
In a preferred implementation of the present utility model, described resistance 5 is ZnO resistors.
More than display only describes principal character of the present utility model and main points.Those skilled in the art should understand, and the utility model is not restricted to the described embodiments.Under the prerequisite not departing from inventive point and protection range, the utility model also has various change, and these changes and improvements all will fall in the claimed scope of the utility model.
Claims (8)
1. the explosion-proof breaking line preventive insulator of lightning protection, comprise umbrella body (1), upper gold utensil (2) and lower gold utensil (3), in the upper end of the fixedly embedded umbrella body (1) in bottom of described upper gold utensil (2), in the lower end of the fixedly embedded umbrella body (1) in top of described lower gold utensil (3), described umbrella body (1), between upper gold utensil (2) and the inwall of lower gold utensil (3), form an enclosed cavity, this enclosed cavity is embedded with high-strength insulating cylinder (4), the hollow insulating cylinder that described insulating cylinder (4) is both ends open; Described insulating cylinder (4) inner bottom part is provided with resistance (5) and spring (6); Described insulating cylinder (4) inner top is provided with hollow porcelain tube (7), and the two ends of described porcelain tube (7) are provided with electric discharge sheet (71) and lower electric discharge sheet (72); In described insulating cylinder (4), middle part is provided with interior electrode (8); The excircle of described interior electrode (8) offers two screws, in the correspondence of umbrella body (1) and insulating cylinder (4), the screw place of electrode (8) is equipped with through hole, joint and the screw of hollow spin, and are fixedly connected with by interior electrode (8) with insulating cylinder (4), umbrella body (1); Described joint comprises the first joint (91) and the second joint (92), described first joint (91) is fixedly connected with fixing starting rod (10), described second joint (92) is connected with movable starting rod (11), is provided with explosion-proof pad (12) between described second joint (92) and movable starting rod (11);
Described movable starting rod (11) comprises stiff end (13) and movable end; Described stiff end (11) is connected by hinge (17) with movable end; Described stiff end (13) is hollow structure, and its one end is fixedly connected with the second joint (92); Described movable end comprises pole body (16), locking spring (15) and plunger piston locking (14), described pole body (16) is hollow structure, described locking spring (15) is arranged in the cavity of pole body (16), one end of described locking spring (15) contacts with cavity bottom, and the other end is fixedly connected with plunger piston locking (14); The other end of described stiff end (13) can hold plunger piston locking (14) just.
2. the explosion-proof breaking line preventive insulator of lightning protection as claimed in claim 1, it is characterized in that described interior electrode (8) is for hollow setting, interior electrode central cavity (20) connects with the internal cavities of the second joint (92).
3. the explosion-proof breaking line preventive insulator of lightning protection as claimed in claim 1, is characterized in that described spring (6) below is provided with regulating sleeve (18).
4. the explosion-proof breaking line preventive insulator of the lightning protection as described in any one of claim 1-3, is characterized in that described movable starting rod (11) surface coverage has reflective membrane or reflecting coating.
5. the explosion-proof breaking line preventive insulator of the lightning protection as described in any one of claim 1-3, is characterized in that described stiff end (13) is for explosion-proof valve seat.
6. the explosion-proof breaking line preventive insulator of the lightning protection as described in any one of claim 1-3, is characterized in that being provided with taper spring between the bottom of described upper gold utensil (2) and upper electric discharge sheet (71).
7. the explosion-proof breaking line preventive insulator of the lightning protection as described in any one of claim 1-3, is characterized in that described insulating cylinder (4) is epoxy cylinder.
8. the explosion-proof breaking line preventive insulator of the lightning protection as described in any one of claim 1-3, is characterized in that described resistance (5) is ZnO resistors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520500856.5U CN204732241U (en) | 2015-07-10 | 2015-07-10 | The explosion-proof breaking line preventive insulator of lightning protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520500856.5U CN204732241U (en) | 2015-07-10 | 2015-07-10 | The explosion-proof breaking line preventive insulator of lightning protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204732241U true CN204732241U (en) | 2015-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520500856.5U Withdrawn - After Issue CN204732241U (en) | 2015-07-10 | 2015-07-10 | The explosion-proof breaking line preventive insulator of lightning protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204732241U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104966594A (en) * | 2015-07-10 | 2015-10-07 | 常州瑞禧电力设备有限公司 | Lightning-proof explosion-proof and anti-disconnection insulator |
| CN105609221A (en) * | 2016-03-30 | 2016-05-25 | 国网山东省电力公司青岛供电公司 | Lightning-protection and explosion-proof insulator |
| CN106409443A (en) * | 2016-12-14 | 2017-02-15 | 国网上海市电力公司 | Insulator with lightning arrester and fault indicator |
-
2015
- 2015-07-10 CN CN201520500856.5U patent/CN204732241U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104966594A (en) * | 2015-07-10 | 2015-10-07 | 常州瑞禧电力设备有限公司 | Lightning-proof explosion-proof and anti-disconnection insulator |
| CN105609221A (en) * | 2016-03-30 | 2016-05-25 | 国网山东省电力公司青岛供电公司 | Lightning-protection and explosion-proof insulator |
| CN105609221B (en) * | 2016-03-30 | 2017-12-15 | 国网山东省电力公司青岛供电公司 | A kind of lightning protection explosion-proof insulator |
| CN106409443A (en) * | 2016-12-14 | 2017-02-15 | 国网上海市电力公司 | Insulator with lightning arrester and fault indicator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151028 Effective date of abandoning: 20171114 |