CN202025584U - Detachable lightning arrester - Google Patents
Detachable lightning arrester Download PDFInfo
- Publication number
- CN202025584U CN202025584U CN2011200363083U CN201120036308U CN202025584U CN 202025584 U CN202025584 U CN 202025584U CN 2011200363083 U CN2011200363083 U CN 2011200363083U CN 201120036308 U CN201120036308 U CN 201120036308U CN 202025584 U CN202025584 U CN 202025584U
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- China
- Prior art keywords
- lightning arrester
- separation
- disconnector
- double
- screw bolt
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- 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
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Abstract
The utility model discloses a detachable lightning arrester. The bottom surface of a high-pressure end bracket of the lightning arrester is connected with an insulating pillar and one end of the lightning arrester, wherein a high-pressure wiring terminal is arranged at one end of the high-pressure end bracket; a grounding/fixing end and a grounded end bracket are fixed at the other end of the insulating pillar; a copper casting hinged with the grounded end bracket is arranged on the side face at the other end of the lightning arrester; a detachable device in serial connection with the lightning arrester is arranged at the bottom end of the lightning arrester; and the detachable device is connected with the grounded end bracket via a ground wire and supporting mechanism. The lightning arrester provided by the utility model is maintenance free and overhaul free, can be replaced on an electrified condition, and has high insulating level, automatic detachment, high reliability, higher safety, convenience in mounting, strong generality and interchangeability, and low cost in running and maintenance.
Description
Technical field
The utility model relates to the AC electric power systems overvoltage protection device, a kind of disengaged lightning arrester that is used for the alternating current system of saying so more specifically.
Background technology
The most frequently used lightning arrester is a zinc oxide arrester in the electric power facility, and this lightning arrester has excellent non-linear dress-An characteristic, and the steep wave response is fast, and discharge capacity is big.But when safeguarding, need power operation, and whether lightning arrester damage and be difficult for to find, need workman's checking one by one, bring a lot of inconvenience for the maintenance of electric power system, increased maintenance cost.
The utility model content
The technical problems to be solved in the utility model is to realize a kind of directly perusal that whether damages, can charged for replacement and change lightning arrester easily.
To achieve these goals, the technical solution adopted in the utility model is: a kind of separation-type lightning arrester, the bottom surface of the high-pressure side support of this lightning arrester is connected with an end of insulation column and lightning arrester, end at the high-pressure side support is provided with high-voltage terminal, the other end of described insulation column is fixed with ground connection and stiff end and earth terminal support, the side of the described lightning arrester other end is provided with the copper casting hinged with the earth terminal support, the lightning arrester bottom is provided with the disconnector of series connection with it, and described disconnector is connected with the earth terminal support by ground wire and supporting mechanism.
Described lightning arrester tilts fixing, and the angle of inclination is 20-30 °.
Described high-voltage terminal is arranged at an end of high-pressure side support fixed insulation pillar.
Described lightning arrester outer wall is cast the full skirt type by macromolecule organic composite material parcel.
Described disconnector comprises aluminium head, spring, plastic casing, equal compressing tablet, thermal explosion filler and double-screw bolt, the first end of described aluminium is connected with lightning arrester, the other end is wrapped in the plastic casing, the plastic casing bottom is enclosed with hollow stud, double-screw bolt is filled with the thermal explosion filler, and described spring is in the state of suffering oppression, and an end is placed on the aluminium head, the other end is connected with equal compressing tablet, and described equal compressing tablet is arranged on the double-screw bolt.
Be fixed with ground wire and supporting mechanism on the described double-screw bolt.
But advantage of the present utility model is that this arrester device is non-maintaining, exemption from inspection charged for replacement, insulation level height, have automatic disengaging function, and reliability, fail safe are higher, easy for installation, and versatility interchangeability is strong, and operation and maintenance cost is low.
Description of drawings
Below the content of each width of cloth accompanying drawing expression of the utility model specification and the mark among the figure are made brief description:
Fig. 1 is a disengaged lightning arrester structural representation;
Fig. 2 is a lightning arrester end view shown in Figure 1;
Fig. 3 is a disconnector cutaway view shown in Figure 1;
Mark among the above-mentioned figure is: 1, high-voltage terminal; 2, ground connection and stiff end; 3, high-pressure side support; 4, earth terminal support; 5, insulation column; 6, lightning arrester; 7, copper casting; 8, ground wire and supporting mechanism; 9; Disconnector; 10, aluminium head; 11, spring; 12, plastic casing; 13, equal compressing tablet; 14, thermal explosion filler; 15, double-screw bolt.
Embodiment
Referring to Fig. 1 as can be known, the bottom surface of the high-pressure side support 3 of separation-type lightning arrester of the present utility model is connected with an end of insulation column 5 and lightning arrester 6, end at high-pressure side support 3 is provided with high-voltage terminal 1, be generally positioned at an end of high-pressure side support 3 fixed insulation pillars 5, high-pressure side support 3 is the groove shape towards lightning arrester 6 one ends, can slide in groove in lightning arrester 6 tops, be provided with an insulation draw ring or handle in this end of lightning arrester 6, operating personnel move lightning arrester 6 during for charged reparation.After the internal resistance sheet of this lightning arrester 6 is wrapped up by the high density new material,, cast the full skirt type through macromolecule organic composite material parcel again through the high-temperature baking moulding.Have that volume is little, in light weight, resistant is dirty, exempt to clean, the advantage of explosion-proof against shock.The other end of described insulation column 5 is fixed with ground connection and stiff end 2 and earth terminal support 4, these supports adopt the high-quality stainless steel to make with extra care and form, support strength is big, good anti-corrosion and forming property are arranged, can keep integrally-built integrality, not flexible type for a long time.The side of the other end of lightning arrester 6 is provided with the copper casting 7 hinged with earth terminal support 4, described copper casting 7 is fixed on the lightning arrester 6 by the collar, copper casting 7 is except itself having higher compression power and characteristics such as intensity, wear resistant corrosion resistant, also the conductivity because of copper casting 7 is very high, thereby makes whole electric conductivity better.Be provided with the disconnector 9 of series connection with it in lightning arrester 6 bottoms, it is connected with earth terminal support 4 by ground wire and supporting mechanism 8, ground wire and supporting mechanism 8 play and support whole lightning arrester 6 weight, the top of lightning arrester 6 is contacted with high-pressure side support 3, after the disconnector 9 that has an accident breaks away from, lightning arrester 6 does not have the support of ground wire and supporting mechanism 8, and under the effect of gravity and by the guiding of the groove on the high-pressure side support 3, lightning arrester 6 landings realize breaking away from function.In order to have good disengaging effect, lightning arrester 6 needs fixing, and the angle of inclination is angle perpendicular to the ground the best when being 20-30 °.
Because selecting for use of novel disconnector 9 fundamentally thoroughly solved traditional lightning arrester because of damaging the problem that needs integral replacing, this product only need be changed its disconnector 9.Also practicable running status maintenance reduces maintenance workload, can save a large amount of operation and maintenance costs.
Referring to Fig. 3 as can be known, disconnector 9 its objective is when breaking down unusually appears in lightning arrester 6, utilizes the power frequency short circuit current by disconnector 9 actions, and disconnector 9 earth terminals are thrown off automatically, and lightning arrester 6 is out of service, and the accident that prevents further enlarges.And when lightning arrester 6 is in normal operating conditions; disconnector 9 is failure to actuate and is Low ESR (comparing with lightning arrester); do not influence the protective feature of former operating state of system and lightning arrester 6, guarantee uninterrupted power supply, make lightning arrester 6 really reach " non-maintaining " instructions for use.This disconnector 9 comprises aluminium head 10, spring 11, plastic casing 12, equal compressing tablet 13, thermal explosion filler 14 and double-screw bolt 15, wherein aluminium head 10 1 ends are used CARBURIZING FURNACE FOR STAINLESS FASTENER and are connected with lightning arrester 6, the other end is wrapped in the plastic casing 12, plastic casing 12 bottoms are enclosed with hollow stud 15, double-screw bolt 15 is filled with thermal explosion filler 14, the back action of being heated after 14 overvoltages of thermal explosion filler is expanded, disconnector 9 inner chamber air pressure are increased, burst plastic casing 12 and make disconnector 9 disjunctions, described spring 11 is in the state of suffering oppression, release energy when making disconnector 9 actions and flick lightning arrester 6, the one end is placed on the aluminium head 10, the other end is connected with equal compressing tablet 13, and described equal compressing tablet 13 is arranged on the double-screw bolt 15, and ground wire and supporting mechanism 8 are fixed on the double-screw bolt 15 and are connected with earth terminal support 4.
Claims (6)
1. separation-type lightning arrester, it is characterized in that: the bottom surface of the high-pressure side support (3) of this lightning arrester is connected with the end of insulation column (5) with lightning arrester (6), end at high-pressure side support (3) is provided with high-voltage terminal (1), the other end of described insulation column (5) is fixed with ground connection and stiff end (2) and earth terminal support (4), the side of described lightning arrester (6) other end is provided with the copper casting (7) hinged with earth terminal support (4), lightning arrester (6) bottom is provided with the disconnector (9) of series connection with it, and described disconnector (9) is connected with earth terminal support (4) by ground wire and supporting mechanism (8).
2. separation-type lightning arrester according to claim 1 is characterized in that: described lightning arrester (6) tilts fixing, and the angle of inclination is 20-30 °.
3. separation-type lightning arrester according to claim 1 is characterized in that: described high-voltage terminal (1) is arranged at an end of high-pressure side support (3) fixed insulation pillar (5).
4. separation-type lightning arrester according to claim 1 is characterized in that: described lightning arrester (6) outer wall is cast the full skirt type by macromolecule organic composite material parcel.
5. separation-type lightning arrester according to claim 1, it is characterized in that: described disconnector (9) comprises aluminium head (10), spring (11), plastic casing (12), equal compressing tablet (13), thermal explosion filler (14) and double-screw bolt (15), described aluminium head (10) one ends are connected with lightning arrester (6), the other end is wrapped in the plastic casing (12), plastic casing (12) bottom is enclosed with hollow stud (15), double-screw bolt (15) is filled with thermal explosion filler (14), described spring (11) is in the state of suffering oppression, one end is placed on the aluminium head (10), the other end is connected with equal compressing tablet (13), and described equal compressing tablet (13) is arranged on the double-screw bolt (15).
6. separation-type lightning arrester according to claim 5 is characterized in that: be fixed with ground wire and supporting mechanism (8) on the described double-screw bolt (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200363083U CN202025584U (en) | 2011-02-11 | 2011-02-11 | Detachable lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200363083U CN202025584U (en) | 2011-02-11 | 2011-02-11 | Detachable lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202025584U true CN202025584U (en) | 2011-11-02 |
Family
ID=44850528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200363083U Expired - Fee Related CN202025584U (en) | 2011-02-11 | 2011-02-11 | Detachable lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202025584U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105514802A (en) * | 2016-01-27 | 2016-04-20 | 武汉水院电气有限责任公司 | Two-stage series gap lightning flashover protector capable of being replaced in electrified mode |
-
2011
- 2011-02-11 CN CN2011200363083U patent/CN202025584U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105514802A (en) * | 2016-01-27 | 2016-04-20 | 武汉水院电气有限责任公司 | Two-stage series gap lightning flashover protector capable of being replaced in electrified mode |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111102 Termination date: 20120211 |