CN109509601B - Zhang Bilei resistant ware assembly - Google Patents
Zhang Bilei resistant ware assembly Download PDFInfo
- Publication number
- CN109509601B CN109509601B CN201811568391.1A CN201811568391A CN109509601B CN 109509601 B CN109509601 B CN 109509601B CN 201811568391 A CN201811568391 A CN 201811568391A CN 109509601 B CN109509601 B CN 109509601B
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- China
- Prior art keywords
- outer sheath
- insulating
- sheath
- ball stud
- insulating outer
- Prior art date
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 239000004593 Epoxy Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 239000004945 silicone rubber Substances 0.000 claims description 3
- 238000005491 wire drawing Methods 0.000 claims description 3
- 230000004308 accommodation Effects 0.000 claims 3
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 239000012212 insulator Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
- H01C7/12—Overvoltage protection resistors
-
- 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
- H01B17/42—Means for obtaining improved distribution of voltage; Protection against arc discharges
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/01—Mounting; Supporting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/02—Housing; Enclosing; Embedding; Filling the housing or enclosure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/14—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/16—Resistor networks not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Insulators (AREA)
Abstract
The invention discloses a Zhang Bilei resistant device assembly, which comprises a core body and an insulating outer sheath, wherein the insulating outer sheath is arranged at the outer side of the core body, an upper electrode, a resistor disc, a discharge electrode, an insulating column and a lower electrode are sequentially arranged in the inner space of the core body from one end to the other end, and the upper electrode and the lower electrode are respectively arranged at two end parts of the inner part of the core body; the upper electrode is connected with a mounting set screw penetrating out of the core body and the insulating outer sheath, the discharge electrode is connected with a connecting bolt penetrating out of the core body and the insulating outer sheath, the lower electrode is connected with a wiring stud and a ball stud, and the wiring stud is respectively connected with the ball stud and an insulating wire penetrating out of the core body and the insulating outer sheath; a shield is covered outside the insulating outer sheath at the interval between the discharge electrode and the lower electrode, and covers the connecting bolt connected with the discharge electrode and the ball stud connected with the lower electrode. The invention has high reliability, low failure rate and less maintenance workload, and plays a role in further protecting the lightning arrester.
Description
Technical Field
The invention belongs to the technical field of power transmission and distribution power equipment, and particularly relates to a Zhang Bilei-resistant device assembly.
Background
With the continuous lengthening of the power distribution network line, the popularization of insulation design, the broken line accident is highlighted due to lightning damage, the statistical quantity of insulator breakdown accidents is continuously increased, and the safe operation of the power distribution network line is seriously threatened. The arrester is a protection device connected in parallel to the electrical device, and is used as a gap device artificially arranged on a line or the device, and is in an isolated and insulated state under normal working voltage, and is in a breakdown grounding state under overvoltage so as to discharge and reduce voltage, thereby playing a role in protecting the line or the device from being insulated under overvoltage, and is sometimes called an overvoltage protector or an overvoltage limiter; the lightning arresters are usually connected between the mains wire and the ground wire, but sometimes also beside the electrical windings or wires. Currently, the existing lightning arresters have the following disadvantages: the insulator cannot be effectively prevented from being damaged by lightning overvoltage impact, the insulated wire cannot be effectively protected from being broken by lightning, and the existing lightning arrester is low in reliability and high in failure rate, so that the maintenance workload is various; meanwhile, the prior protective measures of the discharging part on the lightning arrester are not in place, and special protective measure tools are not arranged, so that the discharging part is easily damaged by the external severe environment, and the failure rate of the lightning arrester is increased.
Disclosure of Invention
The invention aims at the problems and overcomes the defects of the prior art, and provides a Zhang Bilei device assembly which is mainly used in a power transmission and distribution power system and used for protecting electric equipment and power transmission and distribution lines from being damaged by atmospheric overvoltage and operation overvoltage, namely an overvoltage protection device.
In order to achieve the above purpose, the present invention adopts the following technical scheme.
The invention discloses a Zhang Bilei resistant device assembly, which is characterized in that: the high-voltage power supply comprises a core body and an insulating outer sheath, wherein the insulating outer sheath is arranged at the outer side of the core body, an upper electrode, a resistor disc, a discharge electrode, an insulating column and a lower electrode are sequentially arranged in the inner space of the core body from one end to the other end, and the upper electrode and the lower electrode are respectively arranged at two end parts in the core body; the upper electrode is connected with a mounting set screw penetrating out of the core body and the insulating outer sheath, the discharge electrode is connected with a connecting bolt penetrating out of the core body and the insulating outer sheath, the lower electrode is connected with a wiring stud and a ball stud, and the wiring stud is respectively connected with the ball stud and an insulating wire penetrating out of the core body and the insulating outer sheath; the outer sides of the connecting bolts and the ball stud are provided with a connecting bolt sheath and a ball stud sheath, the connecting bolt sheath and the ball stud sheath are uniformly connected to the insulating outer sheath, a shield is covered outside the insulating outer sheath at the interval section between the discharge electrode and the lower electrode, and the shield shields the connecting bolts connected with the discharge electrode and the ball stud connected with the lower electrode.
As a preferable scheme of the invention, the three resistor plates are arranged, and the three resistor plates are connected in sequence and are arranged between the upper electrode and the discharge electrode.
As another preferable mode of the present invention, an end cap is provided outside the insulating outer sheath provided with one end of the mounting set screw.
As another preferable scheme of the invention, the insulating outer sheath comprises an outer sheath body and an outward protruding circular sheet structure, wherein the outward protruding circular sheet structure is integrally connected to the outer sheath body, and the outward protruding circular sheet structure is distributed on the outer sheath body at equal intervals in a mode of one large outer diameter and one small outer diameter.
As another preferable scheme of the invention, the protruding circular sheet structures at the two ends of the outer sheath body are respectively and correspondingly arranged at the inner side ends of the mounting set screws and the connection positions of the discharge electrodes and the insulating columns.
As another preferable scheme of the invention, the insulating column is an epoxy glass wire drawing rod, and the insulating wire is a 0.6m high-voltage insulating wire.
As another preferable scheme of the invention, the core body is made of SMC plastic material, and the insulating outer sheath, the connecting bolt sheath, the ball stud sheath and the shield are made of silicone rubber material.
As another preferable scheme of the invention, the connecting bolt is a bending bolt, and the end part of the bending part of the connecting bolt is exposed out of the connecting bolt sheath; the ball stud sheath covers half of the ball stud, and the other half of the ball stud exposed is opposite to the exposed end of the bent part of the connecting stud.
As another preferable scheme of the invention, the shield comprises a shield body with a hollow inside, and two ends of the shield body are respectively provided with a first shield body end opening and a second shield body end opening which are communicated; the inner diameter of the opening at the end part of the first cover body corresponds to the outer diameter of one end of the insulating wire connected with the outer sheath body of the insulating outer sheath, and the opening at the end part of the first cover body is fixedly connected to one end part of the outer sheath body of the insulating outer sheath; the inner diameter of the opening at the end part of the second cover body corresponds to the outer diameter of the outer sheath body of the insulating outer sheath, and the opening at the end part of the second cover body is fixedly connected to the outer sheath body of the insulating outer sheath.
As another preferable mode of the invention, the cover body is respectively provided with a bolt accommodating part and an outward protruding circular sheet-shaped structure accommodating part, and a side cutting opening is arranged on the cover body at one side opposite to the bolt accommodating part and from the end opening of the first cover body to the end opening of the second cover body.
As another preferable scheme of the invention, two sides of the side cutting opening are provided with sealing connecting end pieces, the sealing connecting end pieces are provided with a plurality of corresponding fixed connecting holes, and the two sealing connecting end pieces are in sealing connection through the fixed connecting holes by rivets.
The invention has the beneficial effects of.
The Zhang Bilei resistant device assembly is mainly used in a power transmission and distribution power system and is used for protecting electric equipment and power transmission and distribution lines from being damaged by atmospheric overvoltage and operation overvoltage; specifically, the invention is used for protecting 10-20 kV distribution network lines, can effectively prevent insulators from being damaged by lightning overvoltage impact, and can also effectively protect insulated wires from being broken by lightning; the biggest characteristics are that the reliability is high, the fault rate is low, and maintenance work load is few. Meanwhile, the shield arranged on the Zhang Bilei-resistant device assembly can well protect the discharge electrode on the Zhang Bilei-resistant device and the discharge part between the connecting bolt connected with the discharge electrode and the lower electrode and the ball stud connected with the discharge electrode from being damaged by the external severe environment, plays a role in further protecting the lightning arrester, reduces the failure rate and reduces the maintenance workload.
Drawings
In order to make the technical problems, technical schemes and beneficial effects solved by the invention more clear, the invention is further described in detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description is presented by way of example only and is not intended to limit the invention.
Fig. 1 is a schematic diagram of the overall structure of a Zhang Bilei resistant assembly in accordance with the present invention.
Fig. 2 is a B-direction view in fig. 1.
Fig. 3 is a cross-sectional view A-A of fig. 2.
Fig. 4 is a D-direction view in fig. 1.
Fig. 5 is a view in the direction C in fig. 1.
Fig. 6 is a schematic perspective view of a shroud of a Zhang Bilei resistant assembly of the present invention.
Fig. 7 is a schematic side view of a shroud of a Zhang Bilei resistant assembly of the present invention.
Fig. 8 is an E-E cross-sectional view of fig. 7.
The figure indicates: 1 is a mounting set screw, 2 is an end cover, 3 is an insulating outer sheath, 4 is a protective cover, 5 is a rivet, 6 is an insulating wire, 7 is a lower electrode, 8 is an upper electrode, 9 is a resistor disc, 10 is a discharge electrode, 11 is a connecting bolt, 12 is a connecting bolt sheath, 13 is an insulating column, 14 is a ball stud, 15 is a ball stud sheath, 16 is a wiring stud, and 17 is a core body; 31 is an outward protruding circular sheet structure, and 32 is an outer sheath body; the bolt containing part 41 is a first cover body end opening, the side cutting opening 43 is a seal connecting end piece 44, the fixed connecting hole 45 is a fixed connecting hole, the protruding round sheet-shaped structure containing part 46 is an outward protruding round sheet-shaped structure containing part 47 is a cover body, and the second cover body end opening 48 is a second cover body end opening.
Detailed Description
The invention relates to a Zhang Bilei resistant device assembly, which is characterized in that: the high-voltage power supply comprises a core body 17 and an insulating outer sheath 3, wherein the insulating outer sheath 3 is arranged on the outer side of the core body 17, an upper electrode 8, a resistor disc 9, a discharge electrode 10, an insulating column 13 and a lower electrode 7 are sequentially arranged in the inner space of the core body 17 from one end to the other end, and the upper electrode 8 and the lower electrode 7 are respectively arranged at two end parts of the inner part of the core body 17; the upper electrode 8 is connected with a mounting set screw 1 penetrating through the core 17 and the insulating outer sheath 3, the discharge electrode 10 is connected with a connecting bolt 11 penetrating through the core 17 and the insulating outer sheath 3, the lower electrode 7 is connected with a wiring stud 16 and a ball stud 14, and the wiring stud 16 is respectively connected with the ball stud 14 penetrating through the core 17 and the insulating outer sheath 3 and the insulating wire 6; the outer sides of the connecting bolts 11 and the ball stud 14 are provided with a connecting bolt sheath 12 and a ball stud sheath 15, the connecting bolt sheath 12 and the ball stud sheath 15 are uniformly connected to the insulating outer sheath 3, the outer side of the insulating outer sheath 3 positioned between the discharge electrode 10 and the lower electrode 7 is covered with a shield 4, and the shield 4 shields the connecting bolts 11 connected with the discharge electrode 10 and the ball stud 14 connected with the lower electrode 7.
As a preferred embodiment of the present invention, the three resistor plates 9 are provided, and the three resistor plates 9 are sequentially connected and disposed between the upper electrode 8 and the discharge electrode 10.
As another preferable embodiment of the present invention, an end cap 2 is provided outside an insulating outer sheath 3 provided with one end of a set screw 1 for installation.
As another preferred solution of the present invention, the insulating outer sheath 3 includes an outer sheath body 32 and an outer protruding circular sheet structure 31, the outer protruding circular sheet structure 31 is integrally connected to the outer sheath body 32, and the outer protruding circular sheet structure 31 is distributed on the outer sheath body 32 at equal intervals in a form of having an outer diameter with a size.
As another preferable aspect of the present invention, the protruding circular sheet structures 31 at the two ends of the outer sheath body 32 are respectively disposed at the inner end of the mounting set screw 1 and at the connection position between the discharge electrode and the insulating column 13.
As another preferable scheme of the invention, the insulating column 13 is an epoxy glass wire drawing rod, and the insulating wire 6 is a 0.6m high-voltage insulating wire.
As another preferable scheme of the invention, the core 17 is made of SMC plastic material, and the insulating outer sheath 3, the connecting bolt sheath 12, the ball stud sheath 15 and the shield 4 are made of silicone rubber material.
As another preferable aspect of the present invention, the connecting bolt 11 is a bent bolt, and an end of the bent portion of the connecting bolt 11 is exposed outside the connecting bolt sheath 12; the ball stud sheath 15 covers half of the ball stud 14, and the other half of the ball stud 14 exposed is opposite to the exposed end of the bent portion of the connecting stud 11.
As another preferred embodiment of the present invention, the shroud 4 includes a hollow shroud body 47, and two ends of the shroud body 47 are respectively a first shroud body end opening 42 and a second shroud body end opening 48 which are communicated with each other; the inner diameter of the first cover body end opening 42 corresponds to the outer diameter of the end, connected with the insulated wire 6, of the outer sheath body 32 of the insulating outer sheath 3, and the first cover body end opening 42 is fixedly connected to one end of the outer sheath body 32 of the insulating outer sheath 3; the inner diameter of the second cover end opening 48 corresponds to the outer diameter of the outer sheath body 32 of the insulating outer sheath 3, and the second cover end opening 48 is fixedly connected to the outer sheath body 32 of the insulating outer sheath 3.
As another preferred embodiment of the present invention, the cover 4 is provided with a bolt receiving portion 41 and an outwardly protruding circular sheet-like structure receiving portion 46, and a side cut-out 43 is provided in the cover 4 from the first cover end opening 42 to the second cover end opening 48 on the side opposite to the bolt receiving portion 41.
As another preferred solution of the present invention, sealing connection end pieces 44 are provided at two sides of the side opening 43, a plurality of corresponding fixing connection holes 45 are provided on the sealing connection end pieces 44, and the two sealing connection end pieces 44 are sealed and connected by rivets 5 through the fixing connection holes 45.
The invention is used for protecting 10-20 kV distribution network lines, can effectively prevent insulators from being damaged by lightning overvoltage impact, and can also effectively protect insulated wires from being broken by lightning; the invention has the greatest characteristics of high reliability and less maintenance workload; the lightning arrester only protects the lightning overvoltage and a small amount of high-amplitude operation overvoltage, and basically does not respond to the overvoltage in the common power frequency, so that the damage of the lightning arrester is lightning impulse damage, the impulse energy is large, the lightning arrester is easy to burst open, and whether a product is good or not can be judged from the damage condition of the side coat; when the lightning arrester is damaged by impact, the operation of the line is basically not affected, the ground fault is not generated, and the operation inspector can select proper time to replace.
It should be understood that the foregoing detailed description of the present invention is provided for illustration only and is not limited to the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention may be modified or substituted for the same technical effects; as long as the use requirement is met, the invention is within the protection scope of the invention.
Claims (7)
1. A Zhang Bilei resistant assembly, characterized in that: the high-voltage power supply device comprises a core body (17) and an insulating outer sheath (3), wherein the insulating outer sheath (3) is arranged on the outer side of the core body (17), an upper electrode (8), a resistor disc (9), a discharge electrode (10), an insulating column (13) and a lower electrode (7) are sequentially arranged in the inner space of the core body (17) from one end to the other end, and the upper electrode (8) and the lower electrode (7) are respectively arranged at two end parts of the inner part of the core body (17); the upper electrode (8) is connected with a mounting set screw (1) penetrating out of the core body (17) and the insulating outer sheath (3), the discharge electrode (10) is connected with a connecting bolt (11) penetrating out of the core body (17) and the insulating outer sheath (3), the lower electrode (7) is connected with a wiring stud (16) and a ball stud (14), and the wiring stud (16) is respectively connected with the ball stud (14) penetrating out of the core body (17) and the insulating outer sheath (3) and an insulating wire (6); the outer sides of the connecting bolts (11) and the ball stud (14) are provided with a connecting bolt sheath (12) and a ball stud sheath (15), the connecting bolt sheath (12) and the ball stud sheath (15) are uniformly connected to the insulating outer sheath (3), a shield (4) is covered on the outer side of the insulating outer sheath (3) positioned between the discharge electrode (10) and the lower electrode (7), and the shield (4) shields the connecting bolts (11) connected with the discharge electrode (10) and the ball stud (14) connected with the lower electrode (7); the connecting bolt (11) is a bending bolt, and the end part of the bending part of the connecting bolt (11) is exposed out of the connecting bolt sheath (12); the ball stud sheath (15) covers one half of the ball stud (14), and the other half of the ball stud (14) exposed outside is opposite to the exposed end of the bending part of the connecting bolt (11); the protective cover (4) comprises a cover body (47) with a hollow inside, and two ends of the cover body (47) are respectively a first cover body end opening (42) and a second cover body end opening (48) which are communicated; the inner diameter of the first cover body end opening (42) corresponds to the outer diameter of one end, connected with the insulated wire (6), of the outer sheath body (32) of the insulating outer sheath (3), and the first cover body end opening (42) is fixedly connected to one end of the outer sheath body (32) of the insulating outer sheath (3); the inner diameter of the second cover body end opening corresponds to the outer diameter of the outer sheath body of the insulating outer sheath, and the second cover body end opening (48) is fixedly connected to the outer sheath body (32) of the insulating outer sheath (3); the cover body (47) on be provided with bolt accommodation portion (41) respectively, outstanding circular sheet structure accommodation portion (46), on cover body (47), with the relative one side of bolt accommodation portion (41) and from first cover body tip open (42) to second cover body tip open (48) seted up side open (43), side open (43) both sides be provided with seal connection terminal piece (44), seal connection terminal piece (44) on be provided with corresponding a plurality of fixed connection hole (45), pass fixed connection hole (45) through rivet (5) between two seal connection terminal pieces (44) and seal and connect.
2. A Zhang Bilei resistant assembly as claimed in claim 1, wherein: the three resistor pieces (9) are sequentially connected and arranged between the upper electrode (8) and the discharge electrode (10).
3. A Zhang Bilei resistant assembly as claimed in claim 1, wherein: an end cover (2) is arranged outside an insulating outer sheath (3) provided with one end of a mounting set screw (1).
4. A Zhang Bilei resistant assembly as claimed in claim 1, wherein: the insulating oversheath (3) comprises an oversheath body (32) and an outward protruding circular sheet structure (31), wherein the outward protruding circular sheet structure (31) is integrally connected to the oversheath body (32), and the outward protruding circular sheet structure (31) is distributed on the oversheath body (32) in an equidistant mode with the outer diameter being one large and one small.
5. A Zhang Bilei resistant assembly as claimed in claim 4, wherein: the protruding round sheet structures (31) at the two ends of the outer sheath body (32) are respectively and correspondingly arranged at the inner side ends of the mounting set screw (1) and the connection part of the discharge electrode (10) and the insulating column (13).
6. A Zhang Bilei resistant assembly as claimed in claim 1, wherein: the insulation column (13) is an epoxy glass wire drawing rod, and the insulation wire (6) is a 0.6m high-voltage insulation wire.
7. A Zhang Bilei resistant assembly as claimed in claim 1, wherein: the core body (17) is made of SMC plastic materials, and the insulating outer sheath (3), the connecting bolt sheath (12), the ball stud sheath (15) and the shield (4) are made of silicone rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811568391.1A CN109509601B (en) | 2018-12-21 | 2018-12-21 | Zhang Bilei resistant ware assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811568391.1A CN109509601B (en) | 2018-12-21 | 2018-12-21 | Zhang Bilei resistant ware assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109509601A CN109509601A (en) | 2019-03-22 |
| CN109509601B true CN109509601B (en) | 2023-11-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811568391.1A Active CN109509601B (en) | 2018-12-21 | 2018-12-21 | Zhang Bilei resistant ware assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109509601B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113193534B (en) * | 2021-05-19 | 2023-02-03 | 广东电网有限责任公司 | Arrester protector |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0631032U (en) * | 1992-09-24 | 1994-04-22 | 日本碍子株式会社 | Insulator with lightning protection unit |
| CN102024543A (en) * | 2010-12-28 | 2011-04-20 | 大连法伏安电器有限公司 | Composite insulator support fixing gap line type arrester |
| KR101229452B1 (en) * | 2012-09-06 | 2013-02-04 | 엄순천 | Lightning arrester lead wire connector |
| CN206819820U (en) * | 2017-06-22 | 2017-12-29 | 广州供电局有限公司 | The insulation protective hood of arrester |
| CN209199704U (en) * | 2018-12-21 | 2019-08-02 | 辽宁华隆电力科技股份有限公司 | A kind of strain insulator arrester assembly |
-
2018
- 2018-12-21 CN CN201811568391.1A patent/CN109509601B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0631032U (en) * | 1992-09-24 | 1994-04-22 | 日本碍子株式会社 | Insulator with lightning protection unit |
| CN102024543A (en) * | 2010-12-28 | 2011-04-20 | 大连法伏安电器有限公司 | Composite insulator support fixing gap line type arrester |
| KR101229452B1 (en) * | 2012-09-06 | 2013-02-04 | 엄순천 | Lightning arrester lead wire connector |
| CN206819820U (en) * | 2017-06-22 | 2017-12-29 | 广州供电局有限公司 | The insulation protective hood of arrester |
| CN209199704U (en) * | 2018-12-21 | 2019-08-02 | 辽宁华隆电力科技股份有限公司 | A kind of strain insulator arrester assembly |
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| Publication number | Publication date |
|---|---|
| CN109509601A (en) | 2019-03-22 |
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