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CN207718977U - A kind of polymeric metal oxide surge arrester - Google Patents

A kind of polymeric metal oxide surge arrester Download PDF

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Publication number
CN207718977U
CN207718977U CN201721806647.9U CN201721806647U CN207718977U CN 207718977 U CN207718977 U CN 207718977U CN 201721806647 U CN201721806647 U CN 201721806647U CN 207718977 U CN207718977 U CN 207718977U
Authority
CN
China
Prior art keywords
core
metal oxide
winding layer
surge arrester
fixedly connected
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201721806647.9U
Other languages
Chinese (zh)
Inventor
李媛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YANGZHOU YUNFA ELECTRIC Co Ltd
Original Assignee
YANGZHOU YUNFA ELECTRIC Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by YANGZHOU YUNFA ELECTRIC Co Ltd filed Critical YANGZHOU YUNFA ELECTRIC Co Ltd
Priority to CN201721806647.9U priority Critical patent/CN207718977U/en
Application granted granted Critical
Publication of CN207718977U publication Critical patent/CN207718977U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model is related to arrester technical fields, and disclose a kind of polymeric metal oxide surge arrester, including core, the surface of the core is socketed with composite sheath, it is socketed with insulating cylinder between the composite sheath and core, the insulating cylinder includes upper seal section, the bottom end of the upper seal section is fixedly connected with the set section in the middle part of core, the bottom end of the set section is fixedly connected with the lower seal section positioned at core bottom end, the insulating cylinder is coated with the first winding layer, and the surface of first winding layer is socketed with the second winding layer.The polymeric metal oxide surge arrester, by the way that mounting post is arranged, the expansion bolt of mounting post one end is threadedly coupled with setscrew, the extruding with compression unit is fixed by interior sealing portion, it can be fixed, prevent from shaking, and expansion bolt and setscrew wide adaptation range, good fixing effect, to achieve the purpose that good fixing effect.

Description

A kind of polymeric metal oxide surge arrester
Technical field
The utility model is related to arrester technical field, specially a kind of polymeric metal oxide surge arrester.
Background technology
Arrester is overvoltage protective device important in electric system, be likely to occur when running at the scene make moist, aging Etc. failures, the explosion of arrester is resulted even in when serious, seriously threatens ring around the normal operation and arrester of electric system The safety in border.Polymeric metal oxide surge arrester has good overvoltage limiting performance, obtains in the power system It is widely applied.
In order to make polymeric metal oxide surge arrester arrester when by external force, it is ensured that its internal core element- Non linear metal oxide resistor piece still can keep good electrical contact, in currently available technology, each manufacturing firm Ensure the performance of product using the structure design and manufacturing process of different polymeric metal oxide surge arresters, but it is existing Some polymeric metal oxide surge arresters include mounting post, core component, top electrode, lower electrode and composite sheath, core Body component is typically to be made of several nonlinear resistor valve sheets, and top electrode and lower electrode are typically interference fitted in core component Both ends it is either simple be threadedly coupled to complete to assemble, this fitted seal difference and the inadequate firm stable of structure, therefore We have proposed a kind of polymeric metal oxide surge arresters to solve the above problems.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of polymeric metal oxide surge arrester, has The advantages that fix stably and long service life, solves the problems, such as that existing arrester using effect is bad.
(2) technical solution
To realize that above-mentioned fix stably and purpose with long service life, the utility model provide the following technical solutions:It is a kind of Polymeric metal oxide surge arrester, including core, the surface of the core are socketed with composite sheath, the composite sheath with Insulating cylinder is socketed between core, the insulating cylinder includes upper seal section, and the bottom end of the upper seal section, which is fixedly connected with, to be located at Set section in the middle part of core, the bottom end of the set section are fixedly connected with the lower seal section positioned at core bottom end, the insulating cylinder Be coated with the first winding layer, the surface of first winding layer is socketed with the second winding layer, and the top of the core is solid Surely it is connected with top electrode, the top electrode includes outer seal portion, and the bottom end of the outer seal portion is fixedly connected with compression unit, described The inside of compression unit is fixedly connected with interior sealing portion, and the interior sealing portion is internally connected with mounting post, and the mounting post includes The internal whorl of setscrew, the setscrew connects expansion bolt.
Preferably, the outer diameter of the outer seal portion, compression unit and interior sealing portion successively decreases successively, and interior sealing portion and expanding screw Silk is fixedly connected.
Preferably, first winding layer includes coating, and the surface wrap of the coating has organic fiber yarn.
Preferably, the coating is modified urea-formaldehyde resin and cellulose material mixing coating.
Preferably, second winding layer is the epoxy resin fiberglass composite layer that glass fibre is coated with epoxy resin Winding layer.
Preferably, the bottom end of the core is fixedly connected with lower electrode, and the top electrode is symmetrical arranged with lower electrode.
(3) advantageous effect
Compared with prior art, the utility model provides a kind of polymeric metal oxide surge arrester, has following Advantageous effect:
1, the polymeric metal oxide surge arrester, by be arranged mounting post, by the expansion bolt of mounting post one end with Setscrew is threadedly coupled, and is fixed the extruding with compression unit by interior sealing portion, can be fixed to it, prevent from shaking, and swollen Swollen bolt and setscrew wide adaptation range, good fixing effect, to achieve the purpose that good fixing effect.
2, polymeric metal oxide surge arrester, by the way that insulating cylinder, the first winding layer and the second winding layer, tool is arranged There is excellent aerogenesis arc eliminator, and there is high electric strength, there is higher mechanical strength, there is good heat resistance, it is resistance to Aging is not influenced by the factors such as outdoor light, electricity, heat, wet, to reach purpose with long service life.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is the portions A partial enlargement structure schematic diagram in the utility model knot Fig. 1;
Fig. 3 is the utility model insulating barrel structure schematic diagram;
Fig. 4 is that the utility model first winds schematic diagram of a layer structure.
In figure:1 core, 2 composite sheaths, 3 insulating cylinders, seal section, 32 set sections, 33 times seal sections, 34 first twine on 31 It is winding layer, 341 coatings, 342 organic fiber yarns, 35 second winding layers, 4 top electrodes, 41 outer seal portions, 42 compression units, close in 43 Envelope portion, 5 times electrodes, 6 mounting posts, 61 setscrews, 62 expansion bolts.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, a kind of polymeric metal oxide surge arrester, including core 1, the surface of core 1 are socketed with Composite sheath 2, is socketed with insulating cylinder 3 between composite sheath 2 and core 1, insulating cylinder 3 includes upper seal section 31, upper seal section 31 Bottom end be fixedly connected with the set section 32 positioned at the middle part of core 1, the bottom end of set section 32 is fixedly connected with positioned at 1 bottom end of core Lower seal section 33, insulating cylinder 3 is coated with the first winding layer 34, and the first winding layer 34 includes coating 341, coating 341 be modified urea-formaldehyde resin and cellulose material mixing coating, and the surface wrap of coating 341 has organic fiber yarn 342, The surface of first winding layer 34 is socketed with the second winding layer 35, by the way that insulating cylinder 3, the first winding layer 34 and the second winding layer is arranged 35, there is excellent aerogenesis arc eliminator, and there is high electric strength, there is higher mechanical strength, have good heat-resisting Property, it is ageing-resistant, it is not influenced by the factors such as outdoor light, electricity, heat, wet, to reach purpose with long service life, the second winding Layer 35 is coated with the epoxy resin fiberglass composite layer winding layer of epoxy resin for glass fibre, and the top of core 1, which is fixed, to be connected It is connected to top electrode 4, top electrode 4 includes outer seal portion 41, and the bottom end of outer seal portion 41 is fixedly connected with compression unit 42, compression unit 42 Inside be fixedly connected with interior sealing portion 43, the outer diameter of outer seal portion 41, compression unit 42 and interior sealing portion 43 successively decreases successively, and interior Sealing 43 is fixedly connected with setscrew 61, and interior sealing portion 43 is internally connected with mounting post 6, and mounting post 6 includes expanding screw The internal whorl of silk 61, setscrew 61 connects expansion bolt 62, and the bottom end of core 1 is fixedly connected with lower electrode 5, top electrode 4 It is symmetrical arranged with lower electrode 5, by the way that mounting post 6 is arranged, the expansion bolt 62 of 6 one end of mounting post and 61 screw thread of setscrew is connected Connect, by interior sealing portion 43 fix and compression unit 42 extruding, it can be fixed, prevent from shaking, and expansion bolt 61 with 62 wide adaptation range of setscrew, good fixing effect, to achieve the purpose that good fixing effect.
The electric elements occurred in this article are electrically connected with extraneous main controller and 220V alternating currents, and main controller can be meter Calculation machine etc. plays the conventionally known equipment of control.
In conclusion the polymeric metal oxide surge arrester, has the advantages that fix stably and long service life, solution The bad problem of existing arrester using effect of having determined.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of polymeric metal oxide surge arrester, including core (1), it is characterised in that:The surface of the core (1) covers It is connected to composite sheath (2), insulating cylinder (3) is socketed between the composite sheath (2) and core (1), the insulating cylinder (3) includes The bottom end of upper seal section (31), the upper seal section (31) is fixedly connected with the set section (32) in the middle part of core (1), described The bottom end of set section (32) is fixedly connected with the lower seal section (33) positioned at core (1) bottom end, the surface packet of the insulating cylinder (3) It is wrapped with the first winding layer (34), the surface of first winding layer (34) is socketed with the second winding layer (35), the core (1) Top is fixedly connected with top electrode (4), and the top electrode (4) includes outer seal portion (41), the bottom end of the outer seal portion (41) It is fixedly connected with compression unit (42), the inside of the compression unit (42) is fixedly connected with interior sealing portion (43), the interior sealing portion (43) be internally connected with mounting post (6), the mounting post (6) includes setscrew (61), the setscrew (61) it is interior Portion is threadedly coupled expansion bolt (62).
2. a kind of polymeric metal oxide surge arrester according to claim 1, it is characterised in that:The outer seal portion (41), compression unit (42) and the outer diameter of interior sealing portion (43) successively decrease successively, and interior sealing portion (43) and setscrew (61) are fixed Connection.
3. a kind of polymeric metal oxide surge arrester according to claim 1, it is characterised in that:First winding Layer (34) includes coating (341), and the surface wrap of the coating (341) has organic fiber yarn (342).
4. a kind of polymeric metal oxide surge arrester according to claim 3, it is characterised in that:The coating (341) it is modified urea-formaldehyde resin and cellulose material mixing coating.
5. a kind of polymeric metal oxide surge arrester according to claim 1, it is characterised in that:Second winding Layer (35) is the epoxy resin fiberglass composite layer winding layer that glass fibre is coated with epoxy resin.
6. a kind of polymeric metal oxide surge arrester according to claim 1, it is characterised in that:The core (1) Bottom end be fixedly connected with lower electrode (5), the top electrode (4) is symmetrical arranged with lower electrode (5).
CN201721806647.9U 2017-12-21 2017-12-21 A kind of polymeric metal oxide surge arrester Expired - Fee Related CN207718977U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721806647.9U CN207718977U (en) 2017-12-21 2017-12-21 A kind of polymeric metal oxide surge arrester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721806647.9U CN207718977U (en) 2017-12-21 2017-12-21 A kind of polymeric metal oxide surge arrester

Publications (1)

Publication Number Publication Date
CN207718977U true CN207718977U (en) 2018-08-10

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CN201721806647.9U Expired - Fee Related CN207718977U (en) 2017-12-21 2017-12-21 A kind of polymeric metal oxide surge arrester

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109065292A (en) * 2018-08-14 2018-12-21 郑州祥和集团电气设备有限公司 A kind of all insulation protection pin insulator and its assembly method
CN110336131A (en) * 2019-06-18 2019-10-15 中国舰船研究设计中心 Boat-carrying Shortwave Communication System direct lighting stroke protective device and its protection appraisal procedure
CN118398315A (en) * 2024-06-26 2024-07-26 西安天工电气有限公司 Layered wound composite coat metal oxide lightning protection core and preparation process thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109065292A (en) * 2018-08-14 2018-12-21 郑州祥和集团电气设备有限公司 A kind of all insulation protection pin insulator and its assembly method
CN109065292B (en) * 2018-08-14 2024-05-10 郑州祥和集团电气设备有限公司 Full-insulation protective needle insulator and assembly method thereof
CN110336131A (en) * 2019-06-18 2019-10-15 中国舰船研究设计中心 Boat-carrying Shortwave Communication System direct lighting stroke protective device and its protection appraisal procedure
CN110336131B (en) * 2019-06-18 2021-01-19 中国舰船研究设计中心 Direct lightning protection device of shipborne short wave communication system and protection evaluation method thereof
CN118398315A (en) * 2024-06-26 2024-07-26 西安天工电气有限公司 Layered wound composite coat metal oxide lightning protection core and preparation process thereof
CN118398315B (en) * 2024-06-26 2024-09-20 西安天工电气有限公司 Layered wound composite coat metal oxide lightning protection core and preparation process thereof

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180810

Termination date: 20191221