CN106683810A - Composite outer tube lightning arrester and preparation method thereof - Google Patents
Composite outer tube lightning arrester and preparation method thereof Download PDFInfo
- Publication number
- CN106683810A CN106683810A CN201611229848.7A CN201611229848A CN106683810A CN 106683810 A CN106683810 A CN 106683810A CN 201611229848 A CN201611229848 A CN 201611229848A CN 106683810 A CN106683810 A CN 106683810A
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- CN
- China
- Prior art keywords
- insulating cylinder
- gold utensil
- wall
- outer tube
- preparation
- 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.)
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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
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T4/00—Overvoltage arresters using spark gaps
- H01T4/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T4/00—Overvoltage arresters using spark gaps
- H01T4/06—Mounting arrangements for a plurality of overvoltage arresters
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermistors And Varistors (AREA)
Abstract
The invention discloses a composite outer tube lightning arrester and a preparation method thereof. The composite outer tube lightning arrester comprises an outer insulation umbrella cover, an insulating cylinder, a lightning arrester core, a spring, an upper armor clamp and a lower armor clamp, wherein the lightning arrester core and the spring are arranged in the insulating cylinder from bottom to top in sequence; the upper armor clamp is sleeved and fixed in a top opening of the insulating cylinder; the lower armor clamp is sleeved and fixed in a bottom opening of the insulating cylinder; and the outer insulation umbrella cover is sleeved on the outer wall of the insulating cylinder. The lightning arrester has higher mechanical strength and good sealing property, and the preparation method has high generation efficiency and low production cost.
Description
Technical field
The invention belongs to spark gap manufacture field, is related to a kind of compound outer tube arrester structure and preparation method thereof.
Background technology
Polymeric housed metal oxide arrester has good anti-pollution characteristic, small volume, lightweight and the features such as be easily installed, in power system
In be widely applied.Polymeric housed metal oxide arrester is made up of lightning arrester core body, silastic material, insulating cylinder and end metal fitting.
The structure of domestic existing polymeric housed metal oxide arrester：One kind is that lightning arrester core body is fitted in insulating cylinder, end metal fitting with insulation
Cylinder is threaded connection, then molding external insulation umbrella sets；Another kind is the molding silicone rubber umbrella cover on insulating cylinder, reinstalls spark gap
Core body, in the end of composite sheath insulating cylinder end metal fitting is threaded connection, and the faying face of end metal fitting and overcoat is carried out
Secondary sealing.There is the screw thread process on insulating cylinder in existing the first technology, reduce the mechanical strength of spark gap；End gold
, using threaded connection, the production cost of parts is high, low production efficiency for tool；Existing second technology is deposited except there is above-mentioned asking
, also there is the secondary sealing of the faying face of end metal fitting and overcoat in outlying, end metal fitting sealing property is bad, so as to serious impact
The reliability and service life of polymeric housed metal oxide arrester.
The content of the invention
It is an object of the invention to overcome the shortcoming of above-mentioned prior art, there is provided one kind be combined outer tube arrester structure and
Its preparation method, the mechanical strength of the spark gap is higher, good seal performance, and the formation efficiency of the preparation method is high, and produces
Low cost.
To reach above-mentioned purpose, compound outer tube arrester structure of the present invention includes external insulation umbrella sets, insulating cylinder, keeps away
Thunder device core body, spring, upper gold utensil and lower gold utensil, wherein, lightning arrester core body and spring are sequentially arranged in from bottom to top in insulating cylinder, on
Gold utensil is socketed and is fixed on the top open part of insulating cylinder, and lower gold utensil is socketed and is fixed at the bottom opening of insulating cylinder, outer exhausted
Edge umbrella cover is socketed on the outer wall of insulating cylinder.
The preparation method for being combined outer tube arrester structure of the present invention is comprised the following steps：
1) lower gold utensil is heated, and the uniform application bonding agent on the outer wall of insulating cylinder bottom opening, then will heating
Lower gold utensil set afterwards is connected on the outer wall of insulating cylinder bottom opening, is then carried out mechanical compaction, positioning successively again and is cooled down；
2) lightning arrester core body and spring are sequentially loaded in insulating cylinder, then upper gold utensil is heated, and on insulating cylinder top
Uniform application bonding agent on the outer wall of portion's opening, then again by heating after upper gold utensil set be connected to the open-topped outer wall of insulating cylinder
On, then carry out mechanical compaction, positioning successively and cool down；
3) outer wall of insulating cylinder is cleared up, then coupling agent is smeared on the outer wall of insulating cylinder, general injection work is then adopted again
Skill injection moulding external insulation umbrella sets on the outer wall of insulating cylinder, must be combined outer tube arrester structure.
The heating-up temperature of lower gold utensil and upper gold utensil is 150 DEG C -220 DEG C.
Step 3) in temperature during injection moulding external insulation umbrella sets be 110 DEG C -170 DEG C, briquetting pressure is
10MPa-20MPa, molding time is 55min-60min.
External insulation umbrella sets are prepared from using silastic material.
Insulating cylinder is prepared from using epoxy fibreglass.
The invention has the advantages that：
Outer tube arrester structure and preparation method thereof of being combined of the present invention in concrete operations, by lower gold utensil and
Upper gold utensil is heated, then by heating after lower gold utensil and upper gold utensil set be connected on insulating cylinder, then carry out mechanical compaction, fixed successively
Position and cooling, so as to effectively improve the mechanical strength of spark gap, after testing, the mechanical strength phase of spark gap of the present invention
Than improving 20%-40% in traditional spark gap mechanical strength, while realizing the sealing of spark gap, sealing property is preferable, while
Low production cost, production efficiency is high, so as to effectively improve the reliability and safety of spark gap.
Further, insulating cylinder is prepared from using epoxy fibreglass, so as to effectively reduce the weight of spark gap.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Wherein, 11 it is upper gold utensil, 12 be lower gold utensil, 2 be external insulation umbrella sets, 3 be insulating cylinder, 4 be lightning arrester core body, 5 is
Spring.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings：
It is of the present invention to be combined outer tube arrester structure including external insulation umbrella sets 2, insulating cylinder 3, spark gap with reference to Fig. 1
Core body 4, spring 5, upper gold utensil 11 and lower gold utensil 12, wherein, lightning arrester core body 4 and spring 5 are sequentially arranged in from bottom to top insulating cylinder 3
Interior, upper gold utensil 11 is socketed and is fixed on the top open part of insulating cylinder 3, and lower gold utensil 12 is socketed and is fixed on the bottom of insulating cylinder 3
At opening, external insulation umbrella sets 2 are socketed on the outer wall of insulating cylinder 3.
The preparation method for being combined outer tube arrester structure of the present invention is comprised the following steps：
1) lower gold utensil 12 is heated, and the uniform application bonding agent on the outer wall of the bottom opening of insulating cylinder 3, then will add
12 sets of lower gold utensil after heat is connected on the outer wall of the bottom opening of insulating cylinder 3, is then carried out mechanical compaction successively again, is positioned and cold
But；
2) lightning arrester core body 4 and spring 5 are sequentially loaded in insulating cylinder 3, then upper gold utensil 11 is heated, and in insulation
Uniform application bonding agent on 3 open-topped outer walls of cylinder, then again by heating after 11 sets of upper gold utensil be connected at the top of insulating cylinder 3 and open
On the outer wall of mouth, then mechanical compaction, positioning are carried out successively and is cooled down；
3) outer wall of insulating cylinder 3 is cleared up, then coupling agent is smeared on the outer wall of insulating cylinder 3, general injection is then adopted again
Technique injection moulding external insulation umbrella sets 2 on the outer wall of insulating cylinder 3, must be combined outer tube arrester structure.
The heating-up temperature of lower gold utensil 12 and upper gold utensil 11 is 150 DEG C -220 DEG C.
Step 3) in temperature during injection moulding external insulation umbrella sets 2 be 110 DEG C -170 DEG C, briquetting pressure is
10MPa-20MPa, molding time is 55min-60min.
External insulation umbrella sets 2 are prepared from using silastic material.
Insulating cylinder 3 is prepared from using epoxy fibreglass.
In 5min-30min by heating after lower gold utensil 12 be socketed on the outer wall of the bottom opening of insulating cylinder 3, in 5min-
In 30min by heating after upper gold utensil 11 be socketed on the open-topped outer wall of insulating cylinder 3.
Claims (6)
1. it is a kind of to be combined outer tube arrester structure, it is characterised in that including external insulation umbrella sets (2), insulating cylinder (3), spark gap core
Body (4), spring (5), upper gold utensil (11) and lower gold utensil (12), wherein, lightning arrester core body (4) and spring (5) are from bottom to top successively
In insulating cylinder (3), upper gold utensil (11) is socketed and is fixed on the top open part of insulating cylinder (3), and lower gold utensil (12) is socketed simultaneously
It is fixed at the bottom opening of insulating cylinder (3), external insulation umbrella sets (2) are socketed on the outer wall of insulating cylinder (3).
2. the preparation method of the compound outer tube arrester structure described in a kind of claim 1, it is characterised in that including following step
Suddenly：
1) lower gold utensil (12) is heated, and the uniform application bonding agent on the outer wall of insulating cylinder (3) bottom opening, then will add
After heat lower gold utensil (12) set be connected on the outer wall of insulating cylinder (3) bottom opening, then carry out successively again mechanical compaction, positioning and
Cooling；
2) lightning arrester core body (4) and spring (5) are sequentially loaded in insulating cylinder (3), then upper gold utensil (11) is heated, and
Uniform application bonding agent on the open-topped outer wall of insulating cylinder (3), then again by heating after upper gold utensil (11) set be connected to insulation
On the open-topped outer wall of cylinder (3), then mechanical compaction, positioning are carried out successively and is cooled down；
3) outer wall of insulating cylinder (3) is cleared up, then coupling agent is smeared on the outer wall of insulating cylinder (3), general injection is then adopted again
Technique injection moulding external insulation umbrella sets (2) on the outer wall of insulating cylinder (3), must be combined outer tube arrester structure.
3. it is according to claim 2 be combined outer tube arrester structure preparation method, it is characterised in that lower gold utensil (12) and
The heating-up temperature of upper gold utensil (11) is 150 DEG C -220 DEG C.
4. it is according to claim 2 be combined outer tube arrester structure preparation method, it is characterised in that step 3) in inject
Temperature during molding external insulation umbrella sets (2) is 110 DEG C -170 DEG C, and briquetting pressure is 10MPa-20MPa, and molding time is
55min-60min。
5. it is according to claim 2 be combined outer tube arrester structure preparation method, it is characterised in that external insulation umbrella sets
(2) it is prepared from using silastic material.
6. it is according to claim 2 be combined outer tube arrester structure preparation method, it is characterised in that insulating cylinder (3) is adopted
It is prepared from epoxy fibreglass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611229848.7A CN106683810A (en) | 2016-12-27 | 2016-12-27 | Composite outer tube lightning arrester and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611229848.7A CN106683810A (en) | 2016-12-27 | 2016-12-27 | Composite outer tube lightning arrester and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106683810A true CN106683810A (en) | 2017-05-17 |
Family
ID=58871711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611229848.7A Pending CN106683810A (en) | 2016-12-27 | 2016-12-27 | Composite outer tube lightning arrester and preparation method thereof |
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| Country | Link |
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| CN (1) | CN106683810A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108154981A (en) * | 2017-12-23 | 2018-06-12 | 中国西电电气股份有限公司 | A kind of arrester structure and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1585046A (en) * | 2004-05-26 | 2005-02-23 | 宁波市科技园区永耀电力科技发展有限公司 | Composite protective cover insulator lightning arrester and producing method thereof |
| CN1877754A (en) * | 2005-06-09 | 2006-12-13 | 西安电瓷研究所 | Metal oxide lightning arrester |
| CN103000323A (en) * | 2012-12-05 | 2013-03-27 | 中国西电电气股份有限公司 | Primary sealing method at end part of ultra-high voltage polymeric housed lightning arrester |
| CN103000322A (en) * | 2012-12-05 | 2013-03-27 | 中国西电电气股份有限公司 | Forming method of high-voltage polymeric housed lightning arrester |
| CN104752009A (en) * | 2015-04-09 | 2015-07-01 | 国家电网公司 | Lightning-protective anti-icing insulator |
| CN105427978A (en) * | 2015-12-31 | 2016-03-23 | 中国西电电气股份有限公司 | Compound polymeric housed metal oxide arrester |
-
2016
- 2016-12-27 CN CN201611229848.7A patent/CN106683810A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1585046A (en) * | 2004-05-26 | 2005-02-23 | 宁波市科技园区永耀电力科技发展有限公司 | Composite protective cover insulator lightning arrester and producing method thereof |
| CN1877754A (en) * | 2005-06-09 | 2006-12-13 | 西安电瓷研究所 | Metal oxide lightning arrester |
| CN103000323A (en) * | 2012-12-05 | 2013-03-27 | 中国西电电气股份有限公司 | Primary sealing method at end part of ultra-high voltage polymeric housed lightning arrester |
| CN103000322A (en) * | 2012-12-05 | 2013-03-27 | 中国西电电气股份有限公司 | Forming method of high-voltage polymeric housed lightning arrester |
| CN104752009A (en) * | 2015-04-09 | 2015-07-01 | 国家电网公司 | Lightning-protective anti-icing insulator |
| CN105427978A (en) * | 2015-12-31 | 2016-03-23 | 中国西电电气股份有限公司 | Compound polymeric housed metal oxide arrester |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108154981A (en) * | 2017-12-23 | 2018-06-12 | 中国西电电气股份有限公司 | A kind of arrester structure and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170517 |
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| RJ01 | Rejection of invention patent application after publication |