CN209591689U - Semi-enclosed double jet-stream wind arc extinguishing insulators - Google Patents
Semi-enclosed double jet-stream wind arc extinguishing insulators Download PDFInfo
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- CN209591689U CN209591689U CN201920515174.XU CN201920515174U CN209591689U CN 209591689 U CN209591689 U CN 209591689U CN 201920515174 U CN201920515174 U CN 201920515174U CN 209591689 U CN209591689 U CN 209591689U
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- stream wind
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Abstract
The utility model discloses a kind of semi-enclosed double jet-stream wind arc extinguishing insulators, including insulator body, top electrode and lower electrode；It is hollow structure inside insulator body, and is also longitudinally equipped with partition in insulator body bosom position, the inner space of insulator body is separated into two groups of jet-stream wind channels by partition；A jet-stream wind component is fixedly mounted in the upper end in the jet-stream wind channel in left side, lower end is the air-flow spout being extended to insulator body side；It is the air-flow spout being extended to insulator body side in the upper end in the jet-stream wind channel on right side, a jet-stream wind component is fixedly mounted in lower end.The utility model can constrain and manage arc path, eliminate the harm of wandering, and use scope is wide, once mounting, can reuse for a long time, and operating cost is low, and sensitivity is high, be conducive to electricity safety production.
Description
Technical field
The utility model belongs to the lightning protection device of power transmission and distribution overhead transmission line, is related to the semi-enclosed double jet-stream winds of one kind and goes out
Arc insulator.
Background technique
Insulator is a kind of special insulation control, can be played an important role in overhead transmission lines.Between one's early years absolutely
Edge is chiefly used in electric pole, and the one end for being slowly developed in high type high-tension bus-bar connection tower has hung the insulator of many plate-likes, it is
In order to increase creepage distance, usually it is made of glass or ceramics.Insulator should not occur due to environment and electric load condition
Change caused various electromechanical stress and fail, otherwise insulator would not generate great effect, will damage whole route
Use and service life.
The major function of insulator is to realize electric insulation and be mechanically fixed, and has various electrically and mechanically performances for this provision
Requirement.For the development of composite insulator, technique, material, test play, problem of aging, mechanical performance, brittle failure problem,
Cluster parachute knot draws, High aititude problem etc., and wherein problem of aging seriously affects the resistance to Lei Shuiping of transmission line of electricity, and serious conditions make
Insulator occurs flashover and single-phase earthing fault occurs according at trip accident.
Utility model content
The purpose of this utility model is that in view of the deficienciess of the prior art, providing a kind of semi-enclosed double injection gas
Flow arc extinguishing insulator.The device possesses preferable validity and durability.
To achieve the goals above, the technical solution of the utility model is as follows:
A kind of semi-enclosed double jet-stream wind arc extinguishing insulators, including be fixedly mounted on cross-arm by connection gold utensil or frame
Insulator body, top electrode and lower electrode on hollow wire；It is hollow structure inside the insulator body, and in insulator
Body interior middle position is also longitudinally equipped with partition, and the inner space of insulator body is separated into two groups of injection gas by the partition
Circulation road, the partition are equipped with wall electrode；A jet-stream wind group is fixedly mounted in the upper end in the jet-stream wind channel in left side
Part, lower end are the air-flow spout for being extended or being extended vertically downward to insulator body side；Injection on right side
The upper end of airflow channel is the air-flow spout being extended to insulator body side, and a jet-stream wind group is fixedly mounted in lower end
Part；The jet-stream wind component and top electrode of insulator body upper end are electrically connected, the jet-stream wind component of insulator body lower end
It is electrically connected with lower electrode.
The utility model further illustrates that the jet-stream wind component is mainly made of spraying canister and gas generator；
The spraying canister is embedded on jet-stream wind channel end inner wall, and one end is fixedly connected with gas generator, the other end
Opening is connected to jet-stream wind channel；The gas generator fixation is located at jet-stream wind channel end, makes insulator body
Inner space form two groups of semi-closed structures, the arc electrode is located on gas generator.
Metal or nonmetallic composition of the arc electrode using strong electric conductivity, can pilot arc to enter jet-stream wind logical
In road；The spraying canister is constituted using the nonconductive metal material of high-intensitive, strong pressure resistance；It is equipped with inside the gas generator logical
Cross the arc extinguishing gas ball of induced current triggering.Gas generator in the utility model can be used the invention of inventor's earlier application at
Gas generator in the solid phase arc extinguishing lightning protection device series of fruit, can also use transmission line of electricity using existing currently on the market
Gas generating unit product of anti-lightning strike arc extinguishing etc..
The utility model further illustrates that the spraying canister opening is equipped with and leads arc ring.Arc ring is led using strong electric conductivity
Metal or nonmetallic composition, by cooperating with wall electrode, pilot arc goes to the jet-stream wind channel of the other side.
The utility model further illustrates that the outer surface of the insulator body is equipped with skirt.Setting skirt can increase
Strong creepage distance avoids electric arc creeping discharge.
The utility model further illustrates that the wall electrode, which uses, leads arc electrode slice or compression arc-extinguishing tube or recoil
Pipe.Setting wall electrode can effectively disperse arc energy, and electric arc is made to be easier to extinguish.
The utility model further illustrate, it is described to insulator body side be extended air-flow spout opening to
Lower inclination.Rainwater can be effectively prevented in downwardly open air-flow spout or dust enters jet-stream wind channel interior.
Working principle of the utility model is:
On the transmission line by the utility model installation, the electric arc generated when lightning stroke shaft tower or lightning conducter is introduced into insulation
In substring inside, prevent in insulator chain outer surface flashover；Electric arc can be pulled into insulation by top electrode or lower electrode
Inside substring, the induction power supply of the current trigger gas generator to circulate in upper/lower electrode can generate an induced current, incude
Electric current and then triggering arc extinguishing gas ball movement, generate high speed and high pressure gas and act on electric arc, most of electric arc is sent out due to jet-stream wind
Raw device movement, electric arc are wrecked.Remaining electric arc enters the jet-stream wind channel of the other side along wall electrode, wherein spraying gas
It flows and leads arc ring at the injection bore of generating assembly, under the action of leading arc ring and wall electrode, remaining electric arc enters another
Side spray is emanated the jet-stream wind component in circulation road, and the induction power supply of the arc current triggering gas generator of circulation can generate one
A induced current, induced current and then triggering arc extinguishing gas ball movement, generate high speed and high pressure gas and act on remaining electric arc, thoroughly
Extinguish electric arc.
The utility model has the advantage that and has the beneficial effect that:
1. the utility model can constrain and manage arc path, electric arc can introduce arc extinguishing channel, eliminate wandering
Harm, improve security performance.
2. the utility model can directly replace the insulator chain on transmission line of electricity, not only has original insulation function, also
With lightning protection arc-suppression function, use scope is wide, is not influenced by wire arrangements, shaft tower tower, polar effect
3. the utility model effectively prevent lightning protection device flashover problem, power equipment tripping rate with lightning strike is reduced, protects electric power
Facility improves electric network reliability, is conducive to electricity safety production.
Detailed description of the invention
Fig. 1 is the whole interior structural schematic diagram of an embodiment of the present invention.
Fig. 2 is the jet-stream wind component diagram of the utility model.
Fig. 3 is the scheme of installation of the utility model.
Fig. 4 is the whole interior structural schematic diagram of another embodiment of the utility model.
Fig. 5 is the whole interior structural schematic diagram of the utility model another embodiment.
Fig. 6 is the whole interior structural schematic diagram of another embodiment of the utility model.
Serial number and corresponding title in figure:
2- top electrode, electrode under 3-, 4- insulator body, 5- jet-stream wind component, 6- air-flow spout, 7- wall electrode, 8-
Partition, 9- jet-stream wind channel, the skirt 10-, 11- lead arc ring, 12- spraying canister, 13- gas generator.
Specific embodiment
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments:
Embodiment 1:
As shown in Figure 1, Figure 3, a kind of semi-enclosed double jet-stream wind arc extinguishing insulators, including pacify by the way that connection gold utensil is fixed
Insulator body 4, top electrode 2 and lower electrode 3 on cross-arm or on aerial condutor；In being inside the insulator body 4
Hollow structure, and it is also longitudinally equipped with partition 8 in insulator body bosom position, the partition 8 is in insulator body 4
Portion space is separated into two groups of jet-stream wind channels 9, and the partition 8 is equipped with wall electrode 7；Left side jet-stream wind channel it is upper
A jet-stream wind component is fixedly mounted in end, and lower end is the air-flow spout being extended to insulator body side；On right side
The upper end in jet-stream wind channel is the air-flow spout being extended to insulator body side, and an injection gas is fixedly mounted in lower end
Flow component；The jet-stream wind component and top electrode 2 of insulator body upper end are electrically connected, the jet-stream wind of insulator body lower end
Component and lower electrode 3 are electrically connected.
As shown in Fig. 2, the jet-stream wind component 5 is mainly made of spraying canister 12 and gas generator 13；Described
Spraying canister 12 is embedded on 9 inner wall of end of jet-stream wind channel, and one end is fixedly connected with gas generator 13, and the other end is opened
Mouth is connected to jet-stream wind channel 9；The fixation of gas generator 13 is located at 9 end of jet-stream wind channel, makes insulator master
The inner space of body 4 forms two groups of semi-closed structures, and the arc electrode 14 is located on gas generator 13.The spraying canister
12 openings are equipped with and lead arc ring 11.The outer surface of the insulator body 4 is equipped with skirt 10.The wall electrode 7 is used and is led
Arc electrode slice.
Embodiment 2:
As shown in figure 4, the present embodiment is essentially identical with 1 structure of embodiment and principle, the difference is that the wall electrode 7 is adopted
With compression arc-extinguishing tube.It compresses arc-extinguishing tube and uses ceramic tube, and be placed in the middle position of pipe and lead arc metal ball.
Embodiment 3:
As shown in figure 5, the present embodiment is essentially identical with 1 structure of embodiment and principle, the difference is that the wall electrode 7 is adopted
Use recoil tube.Recoil tube is semiclosed tube body open at one end, that other end installation connects lightning pole.
Embodiment 4:
As shown in fig. 6, the present embodiment is essentially identical with 3 structure of embodiment and principle, unlike it is described to insulator
Open Side Down the inclination of the extended air-flow spout of body side.
Embodiment 5:
The present embodiment is essentially identical with 3 structure of embodiment and principle, unlike left side jet-stream wind channel it is upper
A jet-stream wind component is fixedly mounted in end, and lower end is air-flow spout extended vertically downward.
Finally it is noted that above embodiments are only to illustrate the technical solution of the utility model, rather than it is limited
System.Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should be managed
Solution: it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the utility model that it does not separate the essence of the corresponding technical solution
The spirit and scope of technical solution.
Claims (6)
1. a kind of semi-enclosed double jet-stream wind arc extinguishing insulators, including be fixedly mounted on cross-arm or make somebody a mere figurehead by connection gold utensil
Insulator body (4), top electrode (2) and lower electrode (3) on conducting wire；It is characterized by: being inside the insulator body (4)
Hollow structure, and partition (8) longitudinally also are equipped in insulator body bosom position, the partition (8) is insulator master
The inner space of body (4) is separated into two groups of jet-stream wind channels (9), and the partition (8) is equipped with wall electrode (7)；In left side
The upper end in jet-stream wind channel is fixedly mounted a jet-stream wind component, and lower end is to be extended vertically downward or to insulator
The extended air-flow spout of body side；It is to extend to set to insulator body side in the upper end in the jet-stream wind channel on right side
A jet-stream wind component is fixedly mounted in the air-flow spout set, lower end；The jet-stream wind component of insulator body upper end with power on
Pole (2) electrical connection, the jet-stream wind component of insulator body lower end and lower electrode (3) are electrically connected.
2. semi-enclosed double jet-stream wind arc extinguishing insulators according to claim 1, it is characterised in that: the injection gas
Stream component (5) is mainly made of spraying canister (12) and gas generator (13)；The spraying canister (12) is embedded in jet-stream wind
On channel (9) inner wall of end, and one end is fixedly connected with gas generator (13), another end opening and jet-stream wind channel
(9) it is connected to；Gas generator (13) fixation is located at jet-stream wind channel (9) end, makes the inside of insulator body (4)
Space forms two groups of semi-closed structures.
3. semi-enclosed double jet-stream wind arc extinguishing insulators according to claim 2, it is characterised in that: the spraying canister
(12) opening is equipped with and leads arc ring (11).
4. semi-enclosed double jet-stream wind arc extinguishing insulators according to claim 1, it is characterised in that: the insulator
The outer surface of main body (4) is equipped with skirt (10).
5. semi-enclosed double jet-stream wind arc extinguishing insulators according to claim 1, it is characterised in that: the wall electrode
(7) it uses and leads arc electrode slice or compression arc-extinguishing tube or recoil tube.
6. semi-enclosed double jet-stream wind arc extinguishing insulators according to claim 1, it is characterised in that: described to insulation
Open Side Down the inclination of the extended air-flow spout of sub- body side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920515174.XU CN209591689U (en) | 2019-04-16 | 2019-04-16 | Semi-enclosed double jet-stream wind arc extinguishing insulators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920515174.XU CN209591689U (en) | 2019-04-16 | 2019-04-16 | Semi-enclosed double jet-stream wind arc extinguishing insulators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209591689U true CN209591689U (en) | 2019-11-05 |
Family
ID=68345213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920515174.XU Active CN209591689U (en) | 2019-04-16 | 2019-04-16 | Semi-enclosed double jet-stream wind arc extinguishing insulators |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209591689U (en) |
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2019
- 2019-04-16 CN CN201920515174.XU patent/CN209591689U/en active Active
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