CN106683801A - Anti-bird insulator for intelligent power grid - Google Patents
Anti-bird insulator for intelligent power grid Download PDFInfo
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- CN106683801A CN106683801A CN201710146984.8A CN201710146984A CN106683801A CN 106683801 A CN106683801 A CN 106683801A CN 201710146984 A CN201710146984 A CN 201710146984A CN 106683801 A CN106683801 A CN 106683801A
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- Prior art keywords
- resistance
- gate
- connection
- lower body
- audion
- Prior art date
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- 239000012212 insulator Substances 0.000 title claims abstract description 26
- 230000002940 repellent Effects 0.000 claims description 16
- 239000005871 repellent Substances 0.000 claims description 16
- 210000005069 ears Anatomy 0.000 claims description 10
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 9
- 239000010931 gold Substances 0.000 claims description 9
- 229910052737 gold Inorganic materials 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims description 2
- 238000001727 in vivo Methods 0.000 claims description 2
- 238000003032 molecular docking Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000001846 repelling effect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- ZMHWQAHZKUPENF-UHFFFAOYSA-N 1,2-dichloro-3-(4-chlorophenyl)benzene Chemical compound C1=CC(Cl)=CC=C1C1=CC=CC(Cl)=C1Cl ZMHWQAHZKUPENF-UHFFFAOYSA-N 0.000 description 2
- 238000003916 acid precipitation Methods 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/38—Fittings, e.g. caps; Fastenings therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/005—Insulators structurally associated with built-in electrical equipment
Landscapes
- Catching Or Destruction (AREA)
Abstract
The invention discloses an anti-bird insulator for an intelligent power grid. The anti-bird insulator comprises a lower body, an upper body and a bird repelling structure, the lower body is in the shape of a bellmouth with big end up, the upper portion of the lower body is provided with a lower flange, the upper body is arranged above the lower body and comprises an umbrella skirt and an upper fitting positioned above the umbrella skirt, the upper fitting comprises an upper convex disc and a lower convex disc which are integrally arranged and parallel to each other, a through hole is formed between the upper convex disc and the lower convex disc, and a positioning groove is formed in the upper convex disc; a cylindrical core rod is arranged inside the umbrella skirt. The lower body and the upper body are connectedly mounted through an adjusting screw penetrating the upper flange and the lower flange, so that adjustment on distance between the upper body and the lower body can be realized quite conveniently; during mounting, mounting can be performed after the distance between contact faces of the upper body and the lower body is adjusted to a proper position according to mounting needs and mounting position of a bus, so that the anti-bird insulator is quite convenient to use.
Description
Technical field
The present invention relates to electrical network facilities field, specifically a kind of anti-bird insulator for intelligent grid.
Background technology
Insulator is a kind of special insulation control, can be played an important role in overhead transmission line.Between in one's early years absolutely
Edge is used for 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, and it is
In order to increase creep age distance, generally it is made up of glass or ceramics, is just insulator.
Because in recent years China's air quality straight line declines, cause acid rain problem serious, insulator is exposed out of doors, easily
Occur the phenomenon corroded under acid rain, service life, and existing insulator are affected, because cylindrical body is to be wholely set
, the distance between such both ends of the surface be also it is nonadjustable, but different buses, install when, installed in power distribution cabinet
The distance between the bus of diverse location, bus and distributing cabinet frame are also different, are so accomplished by using different model
Insulator, install a station power distribution cabinet when, it is necessary to use polytype insulator, it is cumbersome.
Tower bar in high voltage power transmission and transforming circuit often has birds to nest or stop, and birds are nested or stop on tower bar
Power transmission and transformation line ground short circuit or phase fault etc. can usually be caused, so as to cause power outage.The material of nesting of birds is as set
Branch, cane, tinsel etc. make moist and trolley wire easily causes ground short circuit or phase fault after being blown off；The feces excretion of birds
Easily cause unidirectional ground connection or pollution flashover accident etc. on insulator chain.
Accordingly, it would be desirable to special scarecrow device driveing birds, prevents from causing power network line because birds stop and nest
Failure.Prior art completes this operation using single bird-scaring unit mostly, and its needs is additionally arranged on power network line, is taken
When it is laborious.
The content of the invention
It is an object of the invention to provide a kind of anti-bird insulator for intelligent grid, to solve above-mentioned background technology in
The problem of proposition.
For achieving the above object, the present invention provides following technical scheme：
A kind of anti-bird insulator for intelligent grid, including lower body, upper body and bird repellent structure, it is characterised in that
The lower body is in up big and down small broadening formation, and in lower body upper part lower flange is provided with, and this is provided with above lower body
Body, lower body interior is provided with PCB and speaker, and with speaker by electrically connecting, the upper body includes PCB
Full skirt and upper gold utensil, the upper gold utensil is located at full skirt top, and upper gold utensil includes two convex disks being parallel to each other being wholely set
The convex disk with, the convex disk and under be provided with through hole between convex disk, the convex disk is provided with detent；Inside the full skirt
The plug of cylinder is provided with, full skirt set is provided between plug and full skirt, full skirt set and full skirt are integrated setting, at full skirt bottom
Portion is provided with upper flange, and the upper flange is identical with lower flange size, screwed hole is offered on upper flange and lower flange, in spiral shell
Adjusting screw is provided through in pit for fixation go up body and lower body, bucker is provided with below lower body, under
This is provided with a connection bolt in central authorities in vivo；The bird repellent structure is located between upper flange and full skirt, and bird repellent structure includes two
The spacing ring being fixed on full skirt set outer wall, is provided with two symmetrical anchor ears between two spacing rings, and the anchor ear is in semicircle
Annular, in anchor ear end adpting flange is provided with, and bolt hole, the adpting flange pair on two anchor ears are offered on the adpting flange
Connect and two anchor ears are fixed by bolt passing through bolt hole, be along the circumferential direction equidistantly provided with multiple on anchor ear outer wall
Horizon bar, in horizon bar front end wind bowl is provided with, and multiple balls are provided with anchor ear top surface and bottom surface；The PCB includes
Resistance R9, audion V1 and power supply E, the colelctor electrode and switch S1, audion V3 of one end connecting triode V3 of the resistance R9
Base stage connection resistance R9 the other end and potentiometer RP1 a fixing end, audion V3 emitter stage connection resistance R1, electricity
Hold the armature winding N1 of C1, relay K, the input of not gate U1 and transformator W, the other end connection power supply E's of potentiometer RP1
Negative pole, the contact K-1 of relay K, the emitter stage of audion V2, resistance R6, the anode of diode D3, electric capacity C2 and audion V1
Emitter stage, resistance R1 the other end connection not gate U1 outfan and not gate U2 input, not gate U2 outfan connection
The other end and resistance R2 of electric capacity C1, the base stage of the other end connecting triode V2 of resistance R2, the colelctor electrode connection of audion V2
The other end of the armature winding N1 of transformator W, one end of the secondary windings N2 of transformator W connects the anode of diode D1, two poles
The negative electrode connection resistance R3 of pipe D1, the other end connection electric capacity C3 of resistance R3, the other end of electric capacity C2, resistance R4 and speaker B,
The other end of the contact K-1 of the other end connection relay K of speaker B, the other end connection resistance R5 of resistance R4, resistance R5's
The input of other end connection resistance R6, the negative electrode of diode D3 and not gate U3, the outfan connection not gate U4's of not gate U3 is defeated
Enter end, the outfan of not gate U4 connects the negative electrode of diode D2, the anode connection electric capacity C4 of diode D2, resistance R7 and not gate U5
Input, the outfan of not gate U5 connects the input of resistance R7 and not gate U6, the outfan connection electric capacity C4's of not gate U6
The other end and resistance R8, the base stage of the other end connecting triode V1 of resistance R8, the collector connection relay K's of audion V1
The other end.
As further scheme of the invention：The connection bolt is connected with the plug for being arranged on full skirt central authorities by screw thread
Connect.
As further scheme of the invention：The wind bowl is hemispherical.
As further scheme of the invention：The not gate U1-U6 is the gate module of CD4069 chip internals.
As further scheme of the invention：The audion V1, audion V2 and audion V3 are the poles of NPN tri-
Pipe.
As further scheme of the invention：The relay K is normally opened contact relay.
As further scheme of the invention：The pcb board is aluminium base.
As further scheme of the invention：The bucker is in up-small and down-big bell mouth shape, and bucker top
Opening is identical with lower body lower part openings of sizes.
Compared with prior art, the invention has the beneficial effects as follows：Lower body and upper body are by through convex in this device
The adjusting screw of edge and lower flange is attached installation, can very easily realize the tune of distance between body and lower body
Section, when installing, can according to the installation site of bus, according to installing needs, by upper body and lower body contacts face it
Between distance adjust installed again to after suitable position, using very convenient, while being provided with anti-in lower body lower end
Water cover, prevents rainwater from stopping in insulator body, reduces the probability that device is subject to acidic rain water corrosion, improves making for device
With the life-span, birds are driven under the setting varying environment by mechanical type bird repellent structure and electronic type bird repellent structure, and then
The safety of ensuring equipment and transmission line of electricity.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the top view of anchor ear in the present invention.
Fig. 3 is the circuit diagram of PCB and speaker.
1- detents in figure, the convex disks of 2-, 3- through holes, convex disk under 4-, 5- plugs, 6- full skirts, 7- full skirt sets, 8- is convex
Edge, 9- lower flanges, 10- adjusting screws, body under 11-, 12- buckers, 13- connection bolts, 14- spacing rings, 15- anchor ears, 16-
Horizon bar, 17- wind bowls, 18- adpting flanges, 19- bolts hole, 20- balls, 21- speakers, 22-PCB circuit boards.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1~3 are referred to, in the embodiment of the present invention, a kind of anti-bird insulator for intelligent grid, including lower body
11st, upper body and bird repellent structure, the lower body 11 is in up big and down small broadening formation, and on the top of lower body 11 lower flange is provided with
9, the top of lower body 11 is provided with body, the upper body includes full skirt 6 and upper gold utensil, and the upper gold utensil is located at full skirt 6
Top, is provided with PCB 22 and speaker 21 inside lower body 11, PCB 22 passes through to electrically connect with speaker 21, on
Gold utensil include two convex disks 2 being parallel to each other being wholely set and under convex disk 4, the convex disk 2 and under be provided between convex disk 4
Through hole 3, the convex disk 2 is provided with detent 1, and described through hole 3 serves the effect of fixed cable, and cable passes through through hole
3, then further around on detent 1, such design causes the winding of cable more firm, is difficult to loosen, and also causes line
The winding of cable is more orderly, convenient directly perceived when inspection and maintenance；The full skirt 6 is internally provided with cylinder
The plug 5 of shape, is provided with full skirt set 7 between plug 5 and full skirt 6, and full skirt set 7 and full skirt 6 are integrated setting, reduce material
Use, enhanced convenience when installing, simple structure saves production cost, in the bottom of full skirt 6 upper flange 8, institute are provided with
State upper flange 8 identical with the size of lower flange 9, on upper flange 8 and lower flange 9 screwed hole is offered, run through in screwed hole
Be provided with adjusting screw 10 for fixation go up body and lower body 11, bucker 12, the waterproof are provided with below lower body 1
Cover 12 is in up-small and down-big bell mouth shape, and the upper opening of bucker 12 is identical with the lower openings size of lower body 11, at lower
Central authorities are provided with a connection bolt 13 in body 11, and the connection bolt 13 is connected with the plug 5 for being arranged on the central authorities of full skirt 6 by screw thread
Connect so that being more firmly mounted for connection bolt 13 is compact, when being overhauled, dismounting and installation are also very convenient；
The bird repellent structure is located between upper flange 8 and full skirt 6, and bird repellent structure is fixed on full skirt and covers 7 outer walls including two
On spacing ring 14, be provided with two symmetrical anchor ears 15 between two spacing rings 14, the anchor ear 15 is in semi-circular shape, is being embraced
Bind round 15 ends and be provided with adpting flange 18, bolt hole 19, the adpting flange on two anchor ears 15 are offered on the adpting flange 18
18 are docked and are fixed by two anchor ears 15 of bolt passing through bolt hole 19 pair, between along the circumferential direction waiting on the outer wall of anchor ear 15
Away from multiple horizon bars 16 are provided with, in the front end of horizon bar 16 wind bowl 17 is provided with, the wind bowl 17 is hemispherical, in the top surface of anchor ear 15 and
Bottom surface is provided with multiple balls 20, during by two abutting joints of anchor ear 15 between spacing ring 14, ball 20 on anchor ear 15 with
The surface of spacing ring 14 contacts, and when natural wind blows the drive rotation of anchor ear 15 of wind bowl 17, friction between anchor ear 15 and spacing ring 14 is
Birds are driven by rolling friction, and then enable anchor ear 15 to rotate easily by bird repellent structure, and then ensuring equipment and defeated
The safety of electric line.
The present invention operation principle be：Above-mentioned function is to drive mechanical scarer to reach drive by natural wind
The purpose of bird, the effect of bird repellent is just unable to reach when fine calm weather is run into, therefore also design passes through PCB circuits
The electronics bird repellent structure that plate 22 and speaker 21 are realized, its specific works circuit diagram is as shown in figure 3, not gate U1 in circuit, non-
Door U2, resistance R1 and electric capacity C1 composition multivibrators, the oscillator signal that multivibrator is produced, control V2 is operated in and alternately leads
The logical on off state with cut-off.The 300V alternating voltages for now producing in the secondary side N2 of booster transformer W, Jing diode D1 are whole
After stream, resistor R3 current limliting blood pressure lowerings, capacitor C2 is charged.It is non-when input end's voltage of not circuit U3 reaches 6V (E/2)
The outfan of gate circuit U4 is changed into high level, ends diode D2, audio oscillator oscillatory work, not circuit U6 outputs
Oscillating signal turns on V2, relay K adhesives, and its normally opened contact K-1 is connected, and speaker B energization work sends bird repellent
Sound.
When speaker B works, the upper charged pressure Jing B of C2 release, and the input terminal voltage for making not circuit U3 is less than again
The outfan of 6V, U4 is changed into low level, and D2 conductings discharge audio oscillator failure of oscillation, V2 cut-offs, K and B, and C2 is in charging shape
State, so circulation, realize that intermittent automatic bird dispersing works.
The resistance of R1 or the capacity of C1 are adjusted, the operating frequency of multivibrator can be changed, so as to change not gate U3 inputs
The voltage levels at end, reach the purpose at control time interval.
Resistance R9, potentiometer RP1, audion V3 in circuit etc. constitute under-voltage protective module, during voltage normal condition, Jing
Voltage after crossing resistance R9 and potentiometer RP1 partial pressures is more than 0.7V, audion V3 conductings, when the undertension of E, through resistance
Voltage after R9 and potentiometer RP1 partial pressures is less than 0.7V, and audion V3 cut-offs reach the purpose of under-voltage protection.
Lower body 11 and upper body are attached by the adjusting screw 10 through upper flange 8 and lower flange 9 in this device
Install, can very easily realize the regulation of distance between body and lower body 11, when installing, can be according to mother
The installation site of line, according to needs are installed, by the regulation of the distance between upper body and the lower contact surface of body 11 to suitable position
Installed again after putting, using very convenient, while being provided with bucker 12 in the lower end of lower body 11, prevented rainwater in insulator
Stop on body, reduce the probability that device is subject to acidic rain water corrosion, the service life of device is improved, by bird repellent structure
Setting is driven to birds, and then the safety of ensuring equipment and transmission line of electricity.
Claims (7)
1. a kind of anti-bird insulator for intelligent grid, including lower body, upper body and bird repellent structure, it is characterised in that institute
Lower body is stated in up big and down small broadening formation, in lower body upper part lower flange is provided with, above lower body body is provided with,
Lower body interior is provided with PCB and speaker, and with speaker by electrically connecting, the upper body includes umbrella to PCB
Skirt and upper gold utensil, the upper gold utensil is located at full skirt top, upper gold utensil include two convex disks being parallel to each other being wholely set and
Under convex disk, the convex disk and under be provided with through hole between convex disk, the convex disk is provided with detent；Set inside the full skirt
The plug of cylinder is equipped with, full skirt set is provided between plug and full skirt, full skirt set and full skirt are integrated setting, in full skirt bottom
Upper flange is provided with, the upper flange is identical with lower flange size, screwed hole is offered on upper flange and lower flange, in screw thread
Adjusting screw is provided through in hole for fixation go up body and lower body, bucker is provided with below lower body, at lower
In vivo central authorities are provided with a connection bolt；The bird repellent structure is located between upper flange and full skirt, and bird repellent structure is solid including two
The spacing ring being scheduled on full skirt set outer wall, is provided with two symmetrical anchor ears between two spacing rings, and the anchor ear is in semicircular ring
Shape, in anchor ear end adpting flange is provided with, and bolt hole is offered on the adpting flange, the adpting flange docking on two anchor ears
And two anchor ears are fixed by bolt passing through bolt hole, multiple water are along the circumferential direction equidistantly provided with anchor ear outer wall
Flat bar, in horizon bar front end wind bowl is provided with, and multiple balls are provided with anchor ear top surface and bottom surface；The PCB includes electricity
Resistance R9, audion V1 and power supply E, the colelctor electrode and switch S1 of one end connecting triode V3 of the resistance R9, audion V3's
The other end of base stage connection resistance R9 and a fixing end of potentiometer RP1, the emitter stage connection resistance R1 of audion V3, electric capacity
The other end connection power supply E's of the armature winding N1 of C1, relay K, the input of not gate U1 and transformator W, potentiometer RP1 is negative
Pole, the contact K-1 of relay K, the emitter stage of audion V2, resistance R6, the anode of diode D3, electric capacity C2 and audion V1
Emitter stage, the outfan and the input of not gate U2 of the other end connection not gate U1 of resistance R1, the outfan connection electricity of not gate U2
Hold the base stage of the other end connecting triode V2 of the other end and resistance R2, resistance R2 of C1, the colelctor electrode connection of audion V2 becomes
The other end of the armature winding N1 of depressor W, one end of the secondary windings N2 of transformator W connects the anode of diode D1, diode
The negative electrode connection resistance R3 of D1, the other end connection electric capacity C3 of resistance R3, the other end of electric capacity C2, resistance R4 and speaker B are raised
The other end of the contact K-1 of the other end connection relay K of sound device B, the other end connection resistance R5 of resistance R4, resistance R5's is another
The input of one end connection resistance R6, the negative electrode of diode D3 and not gate U3, the outfan of not gate U3 connects the input of not gate U4
End, the outfan of not gate U4 connects the negative electrode of diode D2, the anode connection electric capacity C4 of diode D2, resistance R7 and not gate U5
Input, the outfan of not gate U5 connects the input of resistance R7 and not gate U6, and the outfan connection electric capacity C4's of not gate U6 is another
One end and resistance R8, the base stage of the other end connecting triode V1 of resistance R8, the collector connection relay K's of audion V1 is another
One end, the connection bolt is threaded connection with the plug for being arranged on full skirt central authorities.
2. a kind of anti-bird insulator for intelligent grid according to claim 1, it is characterised in that the wind bowl is in half
It is spherical.
3. a kind of anti-bird insulator for intelligent grid according to claim 1, it is characterised in that the not gate U1-
U6 is the gate module of CD4069 chip internals.
4. a kind of anti-bird insulator for intelligent grid according to claim 1, it is characterised in that the audion
V1, audion V2 and audion V3 are NPN triode.
5. a kind of anti-bird insulator for intelligent grid according to claim 1, it is characterised in that the relay K
For normally opened contact relay.
6. a kind of anti-bird insulator for intelligent grid according to claim 1, it is characterised in that the pcb board is
Aluminium base.
7. a kind of anti-bird insulator for intelligent grid according to claim 1, it is characterised in that the bucker is in
Up-small and down-big bell mouth shape, and bucker upper opening is identical with lower body lower part openings of sizes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710146984.8A CN106683801A (en) | 2017-03-13 | 2017-03-13 | Anti-bird insulator for intelligent power grid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710146984.8A CN106683801A (en) | 2017-03-13 | 2017-03-13 | Anti-bird insulator for intelligent power grid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106683801A true CN106683801A (en) | 2017-05-17 |
Family
ID=58828850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710146984.8A Pending CN106683801A (en) | 2017-03-13 | 2017-03-13 | Anti-bird insulator for intelligent power grid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106683801A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113314278A (en) * | 2021-06-08 | 2021-08-27 | 广东电网有限责任公司 | Connecting and fastening device |
| CN115171988A (en) * | 2022-07-04 | 2022-10-11 | 曹武 | Extra-high voltage power transmission ceramic insulator for connecting thick cable |
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| CN203072759U (en) * | 2012-12-14 | 2013-07-24 | 黄鹰 | Magnetic outdoor wind power bird repelling device |
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| CN203872149U (en) * | 2014-06-12 | 2014-10-08 | 国网四川省电力公司双流县供电分公司 | Electronic bird-repeller control circuit system |
| CN104269233A (en) * | 2014-10-17 | 2015-01-07 | 国家电网公司 | Insulator with bird repeller |
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Application publication date: 20170517 |