CN106356166A - Composite sleeve zinc oxide lightning arrester - Google Patents
Composite sleeve zinc oxide lightning arrester Download PDFInfo
- Publication number
- CN106356166A CN106356166A CN201611013216.7A CN201611013216A CN106356166A CN 106356166 A CN106356166 A CN 106356166A CN 201611013216 A CN201611013216 A CN 201611013216A CN 106356166 A CN106356166 A CN 106356166A
- Authority
- CN
- China
- Prior art keywords
- zinc oxide
- resistance sheet
- oxide
- sheet post
- disconnector
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/16—Resistor networks not otherwise provided for
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
- H01C17/30—Apparatus or processes specially adapted for manufacturing resistors adapted for baking
-
- 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
- H01C7/105—Varistor cores
- H01C7/108—Metal oxide
- H01C7/112—ZnO type
-
- 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
- H01C7/126—Means for protecting against excessive pressure or for disconnecting in case of failure
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Laminated Bodies (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Thermistors And Varistors (AREA)
Abstract
The invention discloses a composite sleeve zinc oxide lightning arrester, which comprises a disconnector and an insulation support frame, wherein the upper end of the disconnector passes through one end of the insulation support frame to be connected with a lower wiring terminal; the lower end of the disconnector is connected with a ground wire or a metal line pole tower through a grounding lead wire; the other end of the insulation support frame is fixedly connected with the line pole tower; a core body comprises a zinc oxide resistance sheet post, an upper electrode and a lower electrode; the upper electrode is connected with the upper end of the zinc oxide resistance sheet post; the lower electrode is connected with the lower end of the zinc oxide resistance sheet post; the upper electrode is connected with the upper wiring terminal; the lower electrode is connected with the lower wiring terminal; an insulation sleeve is also arranged on the outer side of the zinc oxide resistance sheet post in a sleeving way; a wireless temperature sensor is also arranged between the insulation sleeve and the composite outer sleeve; an insulation umbrella skirt is arranged outside the composite outer sleeve. The composite sleeve zinc oxide lightning arrester provided by the invention has the advantages that the high-temperature monitoring and anti-explosion functions are realized; the composite sleeve zinc oxide lightning arrester is applicable to high-voltage lines.
Description
Technical field
The invention belongs to field of electrical equipment is and in particular to a kind of Polymeric Housed MOA.
Background technology
In power system, the overvoltage such as atmospheric over-voltage, switching overvoltage all may jeopardize the insulation of electrical equipment, makes
Forming apparatus damage, economic loss or even threat to life safety.Overvoltage protection must be taken therefore in power system.
At present, metal oxide arrester is universally acknowledged optimal overvoltage protection.Main in prior art
Employ nonlinear zinc oxide resistance sheet, zinc oxide resistance sheet possesses excellent nonlinear wind vibration, can be significantly
Over-voltage amplitude, good fit with the various insulation by protection equipment.Concrete protection process is: body electricity during normal operation
Resistance rate is high, assumes state of insulation, during impulse overvoltage, resistivity instantaneously reduces, and in conducting state, impulse overvoltage is released over the ground
Amplification quantity electric current, then voltage magnitude be remarkably decreased so as to be unlikely to puncture the inside and outside insulation of power equipment, voltage releases over the ground
Discharge after finishing, spark gap recovers initial insulating state at once.
Content of the invention
It is an object of the invention to provide a kind of Polymeric Housed MOA.
For achieving the above object, the present invention adopts the following technical scheme that
A kind of Polymeric Housed MOA, including composite sheath, the core body being arranged in composite sheath, is arranged on outside compound
The upper connecting terminal of set upper side, it is arranged on the lower connecting terminal of composite sheath lower end, also include a disconnector and an insulating support；
The upper end of described disconnector is connected through described insulating support one end with lower connecting terminal；The lower end of described disconnector connects by one
Ground lead is connected with ground wire or metallic circuit shaft tower；The described insulating support other end is fixedly connected with overhead line structures；
Described core body includes Top electrode and and the ZnO resistors that zinc oxide resistance sheet post is connected with zinc oxide resistance sheet post upper end
The bottom electrode that piece post lower end connects；Top electrode is connected with upper connecting terminal, and bottom electrode is connected with lower connecting terminal；Described zinc oxide
Also it is arranged with an insulating sleeve outside resistor disc post；It is additionally provided with a wireless temperature sensing between described insulating sleeve and composite sheath
Device；It is provided with insulation full skirt outside described composite sheath.
Further, it is provided with adjust pad between described zinc oxide resistance sheet post and Top electrode or between bottom electrode.
Further, described core body is cladded with being stamped an elastic insulating layer；Described elastic insulating layer is made up of thermoplastic.
Further, zinc oxide resistance sheet used is made up of the raw material of following percetage by weight: zinc oxide 96%, bismuth oxide
0.7%th, stibium oxide 1.2%, cobalt sesquioxide 0.8%, manganese dioxide 0.4%, chromic oxide 0.4%, stannum oxide 0.2%, mica powder
0.2%th, Barium monoxide 0.1%；
Its preparation method comprises the following steps:
1) batch mixing: weigh zinc oxide, bismuth oxide, stibium oxide, cobalt sesquioxide, manganese dioxide, chromic oxide, oxidation by proportioning
Stannum, mica powder and Barium monoxide add water after mixing, are milled to particle diameter and are less than 5 μm；
2) pelletize: make granule by spray-dried for step 1) gained slurry；
3) compression molding: under the conditions of 40 ~ 55 mpa, by step 2) gained granule is pressed into lamellar, obtains resistor disc blank；
4) sinter: gained resistor disc blank is heated up using program mode and is sintered, finished product；It is first that described program formula heats up
It is warming up to 750 ~ 780 DEG C by the speed of 180 ~ 200 DEG C/h, be incubated 30 ~ 50min, be then warming up to by the speed of 80 ~ 100 DEG C/h
900 ~ 950 DEG C, it is incubated 20 ~ 30min, then is warming up to 1100 ~ 1200 DEG C by the speed of 100 ~ 160 DEG C/h, be incubated 50 ~ 80min,
Afterwards room temperature is reduced to 100 ~ 120 DEG C of speed.
Compared with prior art, Polymeric Housed MOA of the present invention is due to setting between insulating sleeve and composite sheath
Be equipped with a radio temperature sensor, can real-time monitoring zinc oxide resistance sheet post running temperature, can prevent because aging, change too late
When the problems such as and affect use；Meanwhile, coupling disengaging device uses, can be it is ensured that the fortune of whole electrical network under spark gap abnormal condition
OK.
Meanwhile, the present invention prepares zinc oxide resistance sheet by interpolation mica powder, stannum oxide, Barium monoxide, not only contributes to carry
The ability of high oxidation zinc resistor disc energy absorption, also can improve the heat resistance of zinc oxide resistance sheet, slow down its aging speed, right
The stable operation improving Zinc-Oxide Arrester plays an important role.
Brief description
Fig. 1 is the structural representation of Polymeric Housed MOA of the present invention.
Specific embodiment
In order that content of the present invention easily facilitates understanding, with reference to specific embodiment to of the present invention
Technical scheme is described further, but the present invention is not limited only to this.
Referring to Fig. 1, the invention provides a kind of Polymeric Housed MOA, including composite sheath 1, be arranged on compound
Core body in overcoat, it is arranged on the upper connecting terminal 2 of composite sheath upper end, is arranged on the lower connecting terminal 3 of composite sheath lower end,
Also include a disconnector 4 and an insulating support 5；The upper end of described disconnector passes through described insulating support one end and lower connecting terminal
Connect；The lower end of described disconnector is connected with ground wire (in figure is not drawn into) or metallic circuit shaft tower by a ground lead；Described
The insulating support other end is fixedly connected with overhead line structures；Described core body includes zinc oxide resistance sheet post 6 and zinc oxide resistance sheet post
Top electrode 7 and the bottom electrode 8 being connected with zinc oxide resistance sheet post lower end that upper end connects；Top electrode is connected with upper connecting terminal,
Bottom electrode is connected with lower connecting terminal；Also it is arranged with an insulating sleeve 9 outside described zinc oxide resistance sheet post；Described insulating sleeve
It is additionally provided with a radio temperature sensor 10 and between composite sheath；It is provided with insulation full skirt outside described composite sheath.
Further, it is provided with adjust pad 11 between described zinc oxide resistance sheet post and Top electrode or between bottom electrode.
Further, described core body is cladded with being stamped an elastic insulating layer 12.Elastic insulating layer is made with thermoplastic, can
Prevent the spark gap because core body makes moist or other pollutions lead to abnormal.
Further, described zinc oxide resistance sheet is made up of the raw material of following percetage by weight: zinc oxide 96%, bismuth oxide
0.7%th, stibium oxide 1.2%, cobalt sesquioxide 0.8%, manganese dioxide 0.4%, chromic oxide 0.4%, stannum oxide 0.2%, mica powder
0.2%th, Barium monoxide 0.1%；
Its preparation method comprises the following steps:
1) batch mixing: weigh zinc oxide, bismuth oxide, stibium oxide, cobalt sesquioxide, manganese dioxide, chromic oxide, oxidation by proportioning
Stannum, mica powder and Barium monoxide add water after mixing, are milled to particle diameter and are less than 5 μm；
2) pelletize: make granule by spray-dried for step 1) gained slurry；
3) compression molding: under the conditions of 40 ~ 55 mpa, by step 2) gained granule is pressed into lamellar, obtains resistor disc blank；
4) sinter: gained resistor disc blank is heated up using program mode and is sintered, finished product；It is first that described program formula heats up
It is warming up to 750 ~ 780 DEG C by the speed of 180 ~ 200 DEG C/h, be incubated 30 ~ 50min, be then warming up to by the speed of 80 ~ 100 DEG C/h
900 ~ 950 DEG C, it is incubated 20 ~ 30min, then is warming up to 1100 ~ 1200 DEG C by the speed of 100 ~ 160 DEG C/h, be incubated 50 ~ 80min,
Afterwards room temperature is reduced to 100 ~ 120 DEG C of speed.
The core body that the core body of Polymeric Housed MOA of the present invention designs for overall package, is relatively wound around the core body of design
Preparation technology is simpler, and the relatively core stability of cartridge type design is more preferably.
Radio temperature sensor can real-time detection zinc oxide resistance sheet post temperature, and transfer data to Surveillance center,
With effectively prevent zinc oxide resistance sheet major gene for a long time in high temperature environments run, aging accelerate and there is exception.And will be wirelessly warm
Degree sensor is arranged between insulating sleeve and composite sheath rather than is set directly on zinc oxide resistance sheet post, is to prevent
On zinc oxide resistance sheet post high current by when damage sensor.
When, under spark gap abnormal conditions, the discharging gap between spark gap and disconnector can produce stronger dash current,
Make disconnector Automatic-falling, and so that ground lead is automatically disengaged with ground connection, fault spark gap is exited rapidly from network system,
Ensure uninterrupted power supply.
Compared with existing zinc oxide resistance sheet, the present invention adds mica powder, stannum oxide, the ZnO resistors of Barium monoxide preparation
The ability of piece energy absorption can lift more than 20%, and its heat resistance improves, and its performance improvement is obvious.
The foregoing is only presently preferred embodiments of the present invention, all impartial changes done according to scope of the present invention patent with
Modify, all should belong to the covering scope of the present invention.
Claims (5)
1. a kind of Polymeric Housed MOA, including composite sheath, the core body being arranged in composite sheath, be arranged on compound
The upper connecting terminal of outer set upper side, be arranged on composite sheath lower end lower connecting terminal it is characterised in that: also include a disconnector
And an insulating support；The upper end of described disconnector is connected through described insulating support one end with lower connecting terminal；Described disconnector
Lower end be connected with ground wire or metallic circuit shaft tower by a ground lead；The described insulating support other end is fixed with overhead line structures
Connect；
Described core body includes Top electrode and and the ZnO resistors that zinc oxide resistance sheet post is connected with zinc oxide resistance sheet post upper end
The bottom electrode that piece post lower end connects；Top electrode is connected with upper connecting terminal, and bottom electrode is connected with lower connecting terminal；Described zinc oxide
Also it is arranged with an insulating sleeve outside resistor disc post；It is additionally provided with a wireless temperature sensing between described insulating sleeve and composite sheath
Device；It is provided with insulation full skirt outside described composite sheath.
2. according to claim 1 Polymeric Housed MOA it is characterised in that: described zinc oxide resistance sheet post with upper
It is provided with adjust pad between electrode or between bottom electrode.
3. according to claim 1 Polymeric Housed MOA it is characterised in that: described core body is cladded with being stamped an elasticity
Insulating barrier；Described elastic insulating layer is made up of thermoplastic.
4. according to claim 1 Polymeric Housed MOA it is characterised in that: zinc oxide resistance sheet used is by following
The raw material of percetage by weight is made: zinc oxide 96%, bismuth oxide 0.7%, stibium oxide 1.2%, cobalt sesquioxide 0.8%, manganese dioxide
0.4%th, chromic oxide 0.4%, stannum oxide 0.2%, mica powder 0.2%, Barium monoxide 0.1%；
Its preparation method comprises the following steps:
1) batch mixing: weigh zinc oxide, bismuth oxide, stibium oxide, cobalt sesquioxide, manganese dioxide, chromic oxide, oxidation by proportioning
Stannum, mica powder and Barium monoxide add water after mixing, are milled to particle diameter and are less than 5 μm；
2) pelletize: make granule by spray-dried for step 1) gained slurry；
3) compression molding: under the conditions of 40 ~ 55 mpa, by step 2) gained granule is pressed into lamellar, obtains resistor disc blank；
4) sinter: gained resistor disc blank is heated up using program mode and is sintered, finished product.
5. according to claim 4 Polymeric Housed MOA it is characterised in that: described program formula heat up be first by
The speed of 180 ~ 200 DEG C/h is warming up to 750 ~ 780 DEG C, is incubated 30 ~ 50min, is then warming up to 900 by the speed of 80 ~ 100 DEG C/h
~ 950 DEG C, it is incubated 20 ~ 30min, then is warming up to 1100 ~ 1200 DEG C by the speed of 100 ~ 160 DEG C/h, be incubated 50 ~ 80min, finally
Room temperature is reduced to 100 ~ 120 DEG C of speed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611013216.7A CN106356166A (en) | 2016-11-18 | 2016-11-18 | Composite sleeve zinc oxide lightning arrester |
| CN201710042325.XA CN106816242B (en) | 2016-11-18 | 2017-01-20 | Polymeric Housed MOA |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611013216.7A CN106356166A (en) | 2016-11-18 | 2016-11-18 | Composite sleeve zinc oxide lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106356166A true CN106356166A (en) | 2017-01-25 |
Family
ID=57863286
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611013216.7A Withdrawn CN106356166A (en) | 2016-11-18 | 2016-11-18 | Composite sleeve zinc oxide lightning arrester |
| CN201710042325.XA Active CN106816242B (en) | 2016-11-18 | 2017-01-20 | Polymeric Housed MOA |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710042325.XA Active CN106816242B (en) | 2016-11-18 | 2017-01-20 | Polymeric Housed MOA |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN106356166A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113744943A (en) * | 2021-09-02 | 2021-12-03 | 厦门Abb避雷器有限公司 | Core body structure of composite outer sleeve lightning arrester and composite outer sleeve lightning arrester |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108806905B (en) * | 2018-06-29 | 2020-07-10 | 安徽诚意电气科技有限公司 | Valve type lightning arrester with arc extinguishing function |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0655814A1 (en) * | 1993-11-29 | 1995-05-31 | Joslyn Manufacturing Company | Surge arrester with insulative support bracket |
| JP2002151307A (en) * | 2000-08-31 | 2002-05-24 | Toshiba Corp | Voltage nonlinear resistor |
| CN101521065B (en) * | 2008-02-29 | 2012-05-30 | 深圳市安普富诚科技有限公司 | Explosion-proof automatic-separation type lightning arrester |
| CN204189543U (en) * | 2014-11-03 | 2015-03-04 | 浙江维思无线网络技术有限公司 | Class composite insulation outer coat zinc oxide arrester is pressed in a kind of low cost intelligent type |
| CN105118591A (en) * | 2015-09-17 | 2015-12-02 | 合肥海畅电气技术有限公司 | Resistance valve plate of lightning arrester |
| CN206249983U (en) * | 2016-11-18 | 2017-06-13 | 福建泉源电气设备有限公司 | Polymeric Housed MOA |
-
2016
- 2016-11-18 CN CN201611013216.7A patent/CN106356166A/en not_active Withdrawn
-
2017
- 2017-01-20 CN CN201710042325.XA patent/CN106816242B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113744943A (en) * | 2021-09-02 | 2021-12-03 | 厦门Abb避雷器有限公司 | Core body structure of composite outer sleeve lightning arrester and composite outer sleeve lightning arrester |
| CN113744943B (en) * | 2021-09-02 | 2023-01-24 | 厦门Abb避雷器有限公司 | Core body structure of composite outer sleeve lightning arrester and composite outer sleeve lightning arrester |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106816242A (en) | 2017-06-09 |
| CN106816242B (en) | 2018-04-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170125 |