CN104966594B - The explosion-proof breaking line preventive insulator of lightning protection - Google Patents
The explosion-proof breaking line preventive insulator of lightning protection Download PDFInfo
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- CN104966594B CN104966594B CN201510406167.2A CN201510406167A CN104966594B CN 104966594 B CN104966594 B CN 104966594B CN 201510406167 A CN201510406167 A CN 201510406167A CN 104966594 B CN104966594 B CN 104966594B
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- joint
- explosion
- insulating cylinder
- gold utensil
- lightning protection
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Abstract
The present invention relates to power equipment technical field, the explosion-proof breaking line preventive insulator of specifically a kind of lightning protection, including umbrella body, upper gold utensil and lower gold utensil, a closed cavity is constituted between the inwall of umbrella body, upper gold utensil and lower gold utensil, the closed 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 piece and lower electric discharge piece；In insulating cylinder, middle part is provided with interior electrode, and which offers two screws, and hollow joint is spun with screw；The joint includes that the first joint and the second joint, first joint are fixedly connected with fixed discharge lever, and second joint is connected with movable discharge lever.The beneficial effects of the present invention is providing a kind of explosion-proof breaking line preventive insulator of lightning protection, which carries 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 control of pressure release is precisely, more safe and reliable than existing insulator.
Description
Technical field
The present invention relates in power equipment technical field, more particularly, to power system transmission line of electricity, power distribution circuit with
And the insulator of transformer station, the explosion-proof breaking line preventive insulator of specifically a kind of lightning protection.
Background technology
Existing transmission of electricity power distribution circuit all employs insulated conductor, and they solve the peace such as electric current corridor that bare conductor originally has
Full problem, but make whole electric line produce fortune due to the overvoltage broken string that the reasons such as thunderbolt are caused in actual use
The situation of row failure happens occasionally, especially south China area, and the meteorology that lightning flashes and thunder rumbles is more frequent, the electricity for therefore causing
Net failure has accounted for the 36.8% of whole line fault, and wherein lightning-caused breaking rate accounts for 96.8%, leverages the normal of gauze
Power supply, causes huge loss to national economy.Therefore the disconnection problem that insulated conductor is caused because of overvoltage must be solved,
Can guarantee that the safe operation of overhead insulating transmission and distribution network.
Existing compound pillar zinc oxide anti-thunder insulator, is connected with zinc oxide resistance sheet, interior electrode company by internal clearance group
Connect, outer envelope silastic material, upper end gold utensil is electrode, and lower end installation bolt is by metal rack or wire ground group
Into.The Chinese invention patent of such as Publication No. CN102779591 A discloses a kind of composite column-type wire-break prevention insulator, including
Umbrella body (1), terminals gold utensil (2) and earth terminal gold utensil (3), the upper end of the bottom fixedly embedded umbrella body (1) of terminals gold utensil (2)
Interior, in the lower end on the top fixedly embedded umbrella body (1) of earth terminal gold utensil (3), umbrella body (1), terminals gold utensil (2) and earth terminal gold
A closed cavity is constituted between the inwall of tool (3), the closed cavity is embedded with insulating cylinder (4), described insulating cylinder (4) is two ends
The hollow insulating cylinder of opening, the cavity bottom in insulating cylinder (4) are provided with spring (5), are provided with resistor disc (6) on the upside of spring (5),
Hollow magnet ring (7) is provided with the upside of resistor disc (6), and the two ends of magnet ring (7) are provided with the copper sheet (8) of truncated cone-shaped.But this kind of knot
When multiple or direct attack thunderbolt is suffered, interior insulator gas drastically expands the anti-thunder insulator of structure, easily washes gold utensil or destruction open
Epoxy cylinder, causes anti-thunder insulator to damage, and as damage is without substantially mark, the attendant that patrols is difficult to find that damaged prevents
Thunder insulator, brings hidden danger to the safe operation of distribution line, needs to be improved.
The Chinese invention patent of Publication No. CN203895206U discloses a kind of explosion-proof combined column formula insulation of dual lightning protection
Son, its have opened up pressure release groove in insulating cylinder, and outside pressure release groove are additionally arranged arc ring so that in interior insulator gas
When body drastically expands, arc ring can be washed open to identify failure.But which yet suffers from obvious defect：Arc ring is after being rushed to open
Fixation due to lacking extra can be fallen, and there is potential safety hazard to the Pedestrians and vehicles for passing by；Its pressure relief opening is to open up
Not through hole on insulation drum outer wall, its pressure threshold are inconvenient to control, and its whole gas channel construction is complicated, and inducing QI is imitated
Rate is low, is easily caused insulating cylinder and is integrally destroyed when pressure is excessive.
Content of the invention
The technical problem to be solved in the present invention is：There is provided a kind of with obvious fault cues function and without potential safety hazard
The explosion-proof breaking line preventive insulator of lightning protection.
For solving above-mentioned technical problem, the invention provides following technical scheme：The explosion-proof breaking line preventive insulator of lightning protection, including
Umbrella body, upper gold utensil and lower gold utensil, in the upper end of the fixedly embedded umbrella body in the bottom of upper gold utensil, the fixedly embedded umbrella body in the top of lower gold utensil
Lower end in, constitute a closed cavity between the inwall of umbrella body, upper gold utensil and lower gold utensil, the closed cavity is embedded with insulating cylinder,
Hollow insulating cylinder of the described insulating cylinder for both ends open；The insulating cylinder inner bottom part is provided with resistance and spring, can be by resistance
It is arranged at below spring, it is also possible to which resistance is arranged above spring；The insulating cylinder inner top is provided with hollow porcelain tube, described
The two ends of porcelain tube are provided with electric discharge piece and lower electric discharge piece；In the insulating cylinder, middle part is provided with interior electrode；The interior electrode cylindrical
Through hole, hollow joint and screw are equipped with the screw of the corresponding interior electrode for offering two screws, umbrella body and insulating cylinder week
Spin, interior electrode is fixedly connected with insulating cylinder, umbrella body；The joint includes the first joint and the second joint, and described first connects
Head with fixation starting rod be fixedly connected, second joint is connected with movable starting rod, second joint with movable
Explosion-proof pad is provided between starting rod；
The movable starting rod includes fixing end and movable end；The fixing end and movable end are connected through the hinge；Institute
Fixing end is stated for hollow structure, one end is fixedly connected with the second joint；The movable end includes rod body, locking spring and locking post
Plug, the rod body are hollow structure, and the locking spring is arranged in the cavity of rod body, one end of the locking spring and cavity
Bottom connection is touched, and the other end is fixedly connected with plunger piston locking；The other end of the fixing end can accommodate plunger piston locking just；Exhausted
Under edge normal operation, the tension force of locking spring causes plunger piston locking to go deep into inside fixing end；Interior insulator gas urgency
When preset pressure is reached during acute expansion, wash explosion-proof pad open, and further promote plunger piston locking to exit inside fixing end, retreat to pre-
If apart from when, fixing end is separated with movable end；Due to the effect of hinge, movable end separate with fixing end after in vertical state, dimension
The insulator for breaking down can easily be found during shield personnel inspection circuit.
Preferably, the interior electrode is hollow setting, and interior electrode central cavity connected with the internal cavities of the second joint,
Gas channel is provided when can drastically expand for interior insulator gas.
Preferably, adjusting set is provided with below the spring, and the adjusting set is made up of rigid material easy to process, works as root
During according to the usage amount for needing to increase resistance, in that context it may be convenient to reduce the height of support set so that spring has appropriate tension force, and not
Need the spring for being equipped with plurality of specifications to play a part of to adjust spring pressure, make every resistor disc pressure identical.
Preferably, the movable starting rod surface is coated with reflective membrane or reflecting coating, checks in order to attendant
The insulator for breaking down can easily be found during circuit.
Preferably, the fixing end is explosion-proof valve seat.
Preferably, taper spring is provided between the bottom of upper gold utensil and upper electric discharge piece, for applying pressure to upper electric discharge piece
Power is fixing the position of porcelain tube.
Preferably, the insulating cylinder is high-strength epoxy cylinder.
Preferably, the resistance is ZnO resistors.
The beneficial effects of the present invention is providing a kind of explosion-proof breaking line preventive insulator of lightning protection, which carries obvious failure and carries
Show function and hidden danger of not falling；During pressure release, gas channel is unobstructed, and insulating cylinder intensity is higher, and the pressure control of pressure release is accurate, than
Existing insulator is more safe and reliable.
Description of the drawings
Fig. 1 is the section view of the explosion-proof breaking line preventive insulator of lightning protection of the present invention specific embodiment in normal operation
Figure.
Fig. 2 is the sectional view of the specific embodiment under the explosion-proof breaking line preventive insulator of lightning protection of the present invention is nonserviceabled.
Fig. 3 is the partial sectional view of the specific embodiment of the explosion-proof breaking line preventive insulator of lightning protection of the present invention.
Reference：1. umbrella body；2. gold utensil is gone up；3. gold utensil is played；4. insulating cylinder；5. resistance；6. spring；7. porcelain tube；On 71.
Electric discharge piece；72. times electric discharge pieces；8. electrode in；91. first joints；92. second joints；10. starting rod is fixed；11. movable draw
Arc rod；12. explosion-proof pads；13. fixing ends；14. plunger piston lockings；15. locking springs；16. rod bodies；17. hinges；18. support sets；
19. taper springs；Electrode central cavity in 20..
Specific embodiment
The explosion-proof breaking line preventive insulator of lightning protection as Figure 1-3, including umbrella body 1, upper gold utensil 2 and lower gold utensil 3, upper gold utensil 2
The fixedly embedded umbrella body 1 in bottom upper end in, in the lower end of the fixedly embedded umbrella body 1 in the top of lower gold utensil 3, umbrella body 1, upper gold utensil 2
A closed cavity is constituted and the inwall of lower gold utensil 3 between, the closed cavity is embedded with insulating cylinder 4, insulating cylinder 4 is both ends open
Hollow insulating cylinder；4 inner bottom part of the insulating cylinder is provided with resistance 5 and spring 6, and resistance 5 is arranged at below spring 6；Top in insulating cylinder 3
Portion is provided with hollow porcelain tube 7, and the two ends of porcelain tube 7 are provided with electric discharge piece 71 and lower electric discharge piece 72；In insulating cylinder 4, middle part is provided with interior electricity
Pole 8；The excircle of interior electrode 8 offer two screws, umbrella body 1 and insulating cylinder 4 corresponding in electrode screw at be equipped with logical
Hole, hollow joint are spun with screw, and interior electrode 8 is fixedly connected with insulating cylinder 4, umbrella body 1；The joint includes the first joint
91 and second joint 92, the first joint 91 is fixedly connected with fixed starting rod 10, the second joint 92 and 11 phase of movable starting rod
Connection, is provided with explosion-proof pad 12 between the second joint 92 and movable starting rod 11；Adjusted by the thickness of the explosion-proof pad of setting
Whole critical pressure；
Movable starting rod 11 includes fixing end 13 and movable end；Fixing end 13 and movable end are connected by hinge 17；Gu
Fixed end 13 is hollow structure, and one end is fixedly connected with the second joint 92；Movable end includes rod body 16, locking spring 15 and locking post
Plug 14, rod body 16 are hollow structure, and locking spring 15 is arranged in the cavity of rod body 16, one end of locking spring 15 and cavity bottom
Portion contacts, and the other end is touched with the bottom connection of plunger piston locking 14；The other end of fixing end 13 can accommodate plunger piston locking 14 just；
Under insulator normal operation, the tension force of locking spring 15 causes plunger piston locking 14 to go deep into inside fixing end 13；Such as Fig. 2 institutes
Show, when preset pressure is reached when interior insulator gas drastically expands, wash explosion-proof pad 12 open, and further promote locking post
Plug 14 is exited inside fixing end 13, when retreating to predeterminable range, and fixing end 13 is separated with movable end；Due to the effect of hinge 17, living
Moved end separate with fixing end 13 after in vertical state, attendant can easily have found the insulation broken down when checking circuit
Son.
In a preferred embodiment of the present invention, interior electrode 8 be hollow setting, interior electrode central cavity 20 and second
The internal cavities of joint 92 connect, and provide gas channel when can drastically expand for interior insulator gas.
In a preferred embodiment of the present invention, adjusting set 18 is provided with, support set 18 is by easy to process below spring 6
Rigid material make, when as needed increase resistance usage amount when, in that context it may be convenient to the height for reducing support set causes bullet
Spring has appropriate tension force, plays a part of to adjust spring pressure without being equipped with the spring of plurality of specifications, makes every resistor disc
Pressure is identical.
In a preferred embodiment of the present invention, 11 surface of movable starting rod is coated with reflective membrane or reflective painting
Material, can easily find, when checking circuit in order to attendant, the anti-thunder insulator for breaking down.
In a preferred embodiment of the present invention, fixing end 13 is explosion-proof valve seat.
In a preferred embodiment of the present invention, circular cone is provided between the bottom of upper gold utensil 2 and upper electric discharge piece 71
Spring 19, for applying pressure to fix the position of porcelain tube 7 to upper electric discharge piece.
In a preferred embodiment of the present invention, insulating cylinder 4 is high-strength epoxy cylinder.
In a preferred embodiment of the present invention, the resistance 5 is ZnO resistors.
Above display only describes the principal character and main points of the present invention.Those skilled in the art it should be appreciated that this
Bright it is not restricted to the described embodiments.On the premise of without departing from inventive point and protection domain, the present invention also has various change,
These changes and improvements are fallen within the scope of protection of present invention.
Claims (8)
1. the explosion-proof breaking line preventive insulator of lightning protection, including umbrella body (1), upper gold utensil (2) and lower gold utensil (3), under upper gold utensil (2)
In the upper end in the fixedly embedded umbrella body in portion (1), in the lower end on the top fixedly embedded umbrella body (1) of lower gold utensil (3), the umbrella body
(1) closed cavity is constituted between upper gold utensil (2) and the inwall of lower gold utensil (3), and the closed cavity is embedded with high-strength insulating cylinder
(4), the hollow insulating cylinder of described insulating cylinder (4) for both ends open；Insulating cylinder (4) inner bottom part is provided with resistance (5) and spring
(6)；Insulating cylinder (4) inner top is provided with hollow porcelain tube (7), the two ends of porcelain tube (7) be provided with electric discharge piece (71) and
Lower electric discharge piece (72)；In insulating cylinder (4), middle part is provided with interior electrode (8)；The excircle of interior electrode (8) offers two
Through hole is equipped with the screw of the corresponding interior electrode (8) of screw, umbrella body (1) and insulating cylinder (4), and hollow joint is revolved with screw
Connect, interior electrode (8) is fixedly connected with insulating cylinder (4), umbrella body (1)；The joint includes the first joint (91) and the second joint
(92), the first joint (91) are fixedly connected with fixed starting rod (10), the second joint (92) and movable starting rod
(11) it is connected, between the second joint (92) and movable starting rod (11), is provided with explosion-proof pad (12)；
Described movable starting rod (11) include fixing end (13) and movable end；Fixing end (13) and movable end pass through hinge
(17) connect；Described fixing end (13) are hollow structure, and its one end is fixedly connected with the second joint (92)；The movable end includes
Rod body (16), locking spring (15) and plunger piston locking (14), described rod body (16) are hollow structure, and locking spring (15) set
Put in the cavity of rod body (16), the one end of locking spring (15) is contacted with cavity bottom, the other end and plunger piston locking
(14) it is fixedly connected；The other end of fixing end (13) can accommodate plunger piston locking (14) just.
2. the explosion-proof breaking line preventive insulator of lightning protection as claimed in claim 1, it is characterised in that described interior electrode (8) are set for hollow
Put, interior electrode central cavity (20) are connected 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, it is characterised in that be provided with regulation below spring (6)
Set (18).
4. the explosion-proof breaking line preventive insulator of lightning protection as described in any one of claim 1-3, it is characterised in that the movable striking
Rod (11) surface is coated with reflective membrane or reflecting coating.
5. the explosion-proof breaking line preventive insulator of lightning protection as described in any one of claim 1-3, it is characterised in that fixing end (13)
For explosion-proof valve seat.
6. the explosion-proof breaking line preventive insulator of lightning protection as described in any one of claim 1-3, it is characterised in that upper gold utensil (2)
Taper spring is provided between bottom and upper electric discharge piece (71).
7. the explosion-proof breaking line preventive insulator of lightning protection as described in any one of claim 1-3, it is characterised in that insulating cylinder (4) are
Epoxy cylinder.
8. the explosion-proof breaking line preventive insulator of lightning protection as described in any one of claim 1-3, it is characterised in that described resistance (5) are oxygen
Change zinc resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510406167.2A CN104966594B (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 |
|---|---|---|---|
| CN201510406167.2A CN104966594B (en) | 2015-07-10 | 2015-07-10 | The explosion-proof breaking line preventive insulator of lightning protection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104966594A CN104966594A (en) | 2015-10-07 |
| CN104966594B true CN104966594B (en) | 2017-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510406167.2A Expired - Fee Related CN104966594B (en) | 2015-07-10 | 2015-07-10 | The explosion-proof breaking line preventive insulator of lightning protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104966594B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109841359B (en) * | 2019-01-29 | 2020-05-12 | 三瑞科技(江西)有限公司 | Electric power insulator |
| CN113436815A (en) * | 2021-07-09 | 2021-09-24 | 江西东维电气有限公司 | Line column type lightning protection insulator |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102496428B (en) * | 2011-12-09 | 2014-12-31 | 奉化市供电局 | 10KV overhead line porcelain bottle protection device |
| CN203895205U (en) * | 2014-06-12 | 2014-10-22 | 宜兴华源电工设备有限公司 | Anti-thunder explosion-proof composite column-type insulator with disconnecting device |
| CN203895206U (en) * | 2014-06-12 | 2014-10-22 | 宜兴华源电工设备有限公司 | Dual lightning-protection explosion-proof composite column-type insulator |
| CN204732241U (en) * | 2015-07-10 | 2015-10-28 | 常州瑞禧电力设备有限公司 | The explosion-proof breaking line preventive insulator of lightning protection |
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2015
- 2015-07-10 CN CN201510406167.2A patent/CN104966594B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN104966594A (en) | 2015-10-07 |
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