CN104599799A - High-capacity overvoltage limiter core - Google Patents
High-capacity overvoltage limiter core Download PDFInfo
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- CN104599799A CN104599799A CN201410834120.1A CN201410834120A CN104599799A CN 104599799 A CN104599799 A CN 104599799A CN 201410834120 A CN201410834120 A CN 201410834120A CN 104599799 A CN104599799 A CN 104599799A
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Abstract
The invention provides a high-capacity overvoltage limiter core. The limiter core is formed by serially laminating parallel elements, wherein the parallel elements are respectively provided with a high voltage end and a low voltage end; each parallel element consists of a plurality of resistor sheets which are laminated in series, and the plurality of resistor sheets are electrically connected in parallel by virtue of a conducting wire I and a conducting wire II; the parallel elements are divided into parallel elements of an odd number and parallel elements of an even number, the resistor sheets in the parallel elements are divided into parallel resistor posts of an odd number and parallel resistor posts of an even number by virtue of the different distribution of the connecting conducting wire I, an insulation pad and the connecting conducting wire II, and the overvoltage limiter core of different voltage grades can be formed by serially laminating a plurality of parallel elements; while the discharge current capacity of the overvoltage limiter core is increased, the structure is compacter, the floor occupation area of the device can be reduced, a limiter is safe and reliable to operate, an electrical appliance of a power system can be prevented from suffering from the damage of the overvoltage, the development requirement of the power system can be met, and the safety operation of the power system can be guaranteed.
Description
Technical field
The present invention relates to overvoltage limiter field, particularly a kind of Large Copacity overvoltage limiter core body.
Background technology
Overvoltage limiter is the important protective device of electric power system, for the protection of electric power system electric equipment from superpotential infringement.The characteristic of overvoltage limiter decides the insulation of electric power system and the cost of equipment, and along with the development of electric power system, the discharge capacity and the insulation coordination of its operational reliability of raising to electric power system that increase overvoltage limiter are very important.The method increasing overvoltage limiter discharge capacity adopts the size of increase resistor disc at present or directly multicolumn resistor disc post is carried out parallel connection in mechanical structure.The method can increase physical dimension, increase the cost of floor space and equipment.
Summary of the invention
The object of the present invention is to provide a kind of Large Copacity overvoltage limiter core body of compact conformation, solve the problem that existing large discharge capacity overvoltage Limiting physical dimension is excessive and equipment manufacturing cost is high, reduce the floor space of equipment.
For reaching above object, the present invention takes following technical scheme to be achieved:
A kind of Large Copacity overvoltage limiter core body, limiter core body is made up of parallel element series connection closed assembly, and parallel element is divided into even-numbered columns parallel element and odd-numbered columns parallel element, and parallel element is provided with high-pressure side and low-pressure end; Parallel element is made up of several resistor discs closed assembly of connecting, and this several resistor disc by connect wire one and be connected wire two be connected to electric on realize parallel connection; Arranged by the difference connecting wire one, insulation cushion and connection wire two, resistor disc in parallel element has odd number parallel resistance sheet post and even number parallel resistance sheet post, consists of the overvoltage limiter core body of different electric pressure multiple even-numbered columns parallel element or odd-numbered columns parallel element series connection closed assembly.
Further, even-numbered columns parallel element comprises high-pressure side, connects wire one, insulation cushion, connection wire two, resistor disc, low-pressure end, and the resistor disc in composition parallel element has even number parallel resistance sheet post.
Further, odd-numbered columns parallel element comprises high-pressure side, connects wire one, connects wire two, resistor disc, low-pressure end, and the resistor disc in composition parallel element has odd number parallel resistance sheet post.
Further, described resistor disc is zinc oxide resistance sheet.
Further, connect wire one and adopt metal material to make with the conductive core being connected wire two, its outer wrap insulating material.
Further, described insulation cushion is made for adopting expoxy glass wire material or ceramic material.
Feature of the present invention is:
In limiter core body of the present invention, parallel element is made up of several resistor discs series connection closed assembly, by connect wire one and be connected wire two multiple resistor disc is connected to electric on realize parallel connection, the resistor disc of parallel element is connected and parallel connection on electrically in mechanical structure, while increasing overvoltage limiter core body discharge capacity, its structure is compacter, reduce floor space and the equipment manufacturing cost of equipment, limiter is safe and reliable to operation, make the electric equipment of electric power system from superpotential infringement, meet the development need of electric power system, ensure safe operation of power system.
Accompanying drawing explanation
Fig. 1 is even-numbered columns parallel element layout plan in Large Copacity overvoltage limiter core body;
Fig. 2 is odd-numbered columns parallel element layout plan in Large Copacity overvoltage limiter core body;
In figure: 1, even-numbered columns parallel element; 2, odd-numbered columns parallel element; 3, high-pressure side; 4, wire one is connected; 5, insulation cushion; 6, wire two is connected; 7, resistor disc; 8 low-pressure ends.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
With reference to Fig. 1, Fig. 2, Fig. 1 is even-numbered columns parallel element layout plan, comprises high-pressure side 3, connection wire 1, insulation cushion 5, connects wire 26, resistor disc 7, low-pressure end 8; Fig. 2 is odd-numbered columns parallel element layout plan, comprises high-pressure side 3, connects wire 1, connects wire 26, resistor disc 7, low-pressure end 8.
Limiter core body is made up of parallel element series connection closed assembly, and parallel element is divided into odd-numbered columns parallel element 1 and even-numbered columns parallel element 2, and parallel element is provided with high-pressure side 3 and low-pressure end 8; Odd-numbered columns parallel element 1 or even-numbered columns parallel element 2 are made up of several resistor discs 7 closed assembly of connecting, and the two ends of every two adjacent resistor sheets 7 connect by connecting wire 1 or connecting wire 26, realize the parallel connection of all resistor discs 7 on electrically; Even-numbered columns parallel element 1 comprises high-pressure side 3, connection wire 1, insulation cushion 5, connects wire 26, resistor disc 7, low-pressure end 8, resistor disc 7 is by connecting wire 1 and being connected wire 26 connection, realize in parallel on electrically, mechanical structure realizes series connection, and the resistor disc 7 in composition parallel element has even number parallel resistance sheet post; Odd-numbered columns parallel element 2 comprises high-pressure side 3, connects wire 1, connects wire 26, resistor disc 7, low-pressure end 8, resistor disc 7 is by connecting wire 1 and being connected wire 26 connection, realize in parallel on electrically, the resistor disc 7 mechanical structure realized in series connection, composition parallel element has odd number parallel resistance sheet post.
As shown in Figure 1, even-numbered columns parallel element 1 is made up of several resistor discs 7 closed assembly of connecting, its upper end is provided with insulation cushion 5, and insulation cushion 5 connects by being connected wire 1 or connecting wire 26 with the two ends of every two adjacent resistor sheets 7, realizes the parallel connection of all resistor discs 7 on electrically; Resistor disc 7 is zinc oxide resistance sheet; Insulation cushion 5 is made for adopting expoxy glass wire material or ceramic material.
As shown in Figure 2, odd-numbered columns parallel element 2 is made up of several resistor discs 7 closed assembly of connecting, and the two ends of every two adjacent resistor sheets 7 connect by connecting wire 1 or connecting wire 26, realize the parallel connection of all resistor discs 7 on electrically; Resistor disc 7 is zinc oxide resistance sheet.
Formed the overvoltage limiter core body of different electric pressure by the series connection closed assembly of multiple odd-numbered columns parallel element 1 or even-numbered columns parallel element 2, meet the limiter needs of different electric pressure.
Claims (6)
1. a Large Copacity overvoltage limiter core body, it is characterized in that: limiter core body is made up of parallel element series connection closed assembly, parallel element is divided into even-numbered columns parallel element (2) and odd-numbered columns parallel element (1), and parallel element is provided with high-pressure side (3) and low-pressure end (8); Parallel element be made up of several resistor discs (7) closed assembly of connecting, and these several resistor discs (7) by connect wire one (4) be connected wire two (6) be connected to electric on realize parallel connection; Arranged by the difference connecting wire one (4), insulation cushion (5) and connection wire two (6), resistor disc (7) in parallel element has odd number parallel resistance sheet post and even number parallel resistance sheet post, consists of the overvoltage limiter core body of different electric pressure multiple even-numbered columns parallel element (1) or odd-numbered columns parallel element (2) series connection closed assembly.
2. Large Copacity overvoltage limiter core body according to claim 1, it is characterized in that: even-numbered columns parallel element (1) comprises high-pressure side (3), connection wire one (4), insulation cushion (5), connects wire two (6), resistor disc (7), low-pressure end (8), and the resistor disc (7) in composition parallel element has even number parallel resistance sheet post.
3. Large Copacity overvoltage limiter core body according to claim 1, it is characterized in that: odd-numbered columns parallel element (1) comprises high-pressure side (3), connects wire one (4), connects wire two (6), resistor disc (7), low-pressure end (8), and the resistor disc (7) in composition parallel element has odd number parallel resistance sheet post.
4. the Large Copacity overvoltage limiter core body according to any one of claim 1-3, is characterized in that: described resistor disc (7) is zinc oxide resistance sheet.
5. the Large Copacity overvoltage limiter core body according to any one of claim 1-3, is characterized in that: connect wire one (4) and adopt metal material to make with the conductive core being connected wire two (6), its outer wrap insulating material.
6. the Large Copacity overvoltage limiter core body according to any one of claim 1-3, is characterized in that: described insulation cushion (5) is made for adopting expoxy glass wire material or ceramic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410834120.1A CN104599799A (en) | 2014-12-27 | 2014-12-27 | High-capacity overvoltage limiter core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410834120.1A CN104599799A (en) | 2014-12-27 | 2014-12-27 | High-capacity overvoltage limiter core |
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| Publication Number | Publication Date |
|---|---|
| CN104599799A true CN104599799A (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410834120.1A Pending CN104599799A (en) | 2014-12-27 | 2014-12-27 | High-capacity overvoltage limiter core |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429123A (en) * | 2015-12-31 | 2016-03-23 | 中国西电电气股份有限公司 | Overvoltage limiter |
| CN108666055A (en) * | 2018-07-09 | 2018-10-16 | 西安神电电器有限公司 | A kind of resistance unit and the multicolumn lightning arrester connected in parallel comprising the resistance unit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012033676A (en) * | 2010-07-30 | 2012-02-16 | Toshiba Corp | Polymer arrester |
| CN202275676U (en) * | 2011-07-31 | 2012-06-13 | 浙江中能电气有限公司 | Composite cover gapless zinc oxide lightning arrester for subway |
| CN202940080U (en) * | 2012-12-05 | 2013-05-15 | 中国西电电气股份有限公司 | Direct current arrester |
| CN203260892U (en) * | 2013-05-24 | 2013-10-30 | 西安神电电器有限公司 | Series/parallel-gap over-voltage protector and combination thereof |
-
2014
- 2014-12-27 CN CN201410834120.1A patent/CN104599799A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012033676A (en) * | 2010-07-30 | 2012-02-16 | Toshiba Corp | Polymer arrester |
| CN202275676U (en) * | 2011-07-31 | 2012-06-13 | 浙江中能电气有限公司 | Composite cover gapless zinc oxide lightning arrester for subway |
| CN202940080U (en) * | 2012-12-05 | 2013-05-15 | 中国西电电气股份有限公司 | Direct current arrester |
| CN203260892U (en) * | 2013-05-24 | 2013-10-30 | 西安神电电器有限公司 | Series/parallel-gap over-voltage protector and combination thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105429123A (en) * | 2015-12-31 | 2016-03-23 | 中国西电电气股份有限公司 | Overvoltage limiter |
| CN108666055A (en) * | 2018-07-09 | 2018-10-16 | 西安神电电器有限公司 | A kind of resistance unit and the multicolumn lightning arrester connected in parallel comprising the resistance unit |
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Application publication date: 20150506 |
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| RJ01 | Rejection of invention patent application after publication |