CN204538463U - A kind of paracentesis type external clearance arrester - Google Patents
A kind of paracentesis type external clearance arrester Download PDFInfo
- Publication number
- CN204538463U CN204538463U CN201520210286.6U CN201520210286U CN204538463U CN 204538463 U CN204538463 U CN 204538463U CN 201520210286 U CN201520210286 U CN 201520210286U CN 204538463 U CN204538463 U CN 204538463U
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- CN
- China
- Prior art keywords
- arrester
- arc ignition
- fixedly connected
- paracentesis
- ignition bar
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Abstract
The utility model relates to a kind of paracentesis type external clearance arrester, and it comprises post insulator, arc ignition bar and lightning arrester, and described post insulator one end is fixedly connected with insulated cable, and the other end of described post insulator is provided with contact plate; Described contact plate is provided with adjustable plate, is fixedly connected with bottom described lightning arrester with adjustable plate, described lightning arrester head is provided with draining ring; Described arc ignition bar one end is provided with puncture folder, and described puncture is pressed from both sides and is fixedly connected with insulated cable, and the front of motor of described arc ignition bar to be positioned at above the draining ring center of circle and to have spacing with draining ring place plane.Striking of the present utility model is effective, and electric discharge sensitivity is high, can be effectively lightning-arrest.
Description
Technical field
The utility model relates to a kind of lightning arrester, is specifically related to a kind of paracentesis type external clearance arrester.
Background technology
In electric power system, insulated cable is generally used when the built on stilts conveying of electric power, when direct lightning strike or lightning induced voltage act on insulated cable, due to the obstruct of insulating coating, electric arc cannot move, first the insulating barrier of insulated cable is punctured, and then cause insulator arc-over, breakdown insulating barrier is Pinhole-shaped, continuous print frequently short arc current receives the obstruction of insulation around, arc root can only burn at pin hole place, insulated conductor blows by powerful current convergence a to point instantaneously thus causes the disconnection of electrical network, affecting the normal work of power transmission network.
At present, prevent the suspended insulated guide wire major measure taked that be struck by lightning from having both at home and abroad: zinc oxide arrester to be installed, erection overhead ground wire, install striking wire clamp etc. additional, these investments are comparatively large, install inconvenience, striking weak effect, the electric discharge sensitiveness of ground plate to striking arm is poor, and lightning-arrest effect is bad.
Utility model content
It is effective that the purpose of this utility model is to provide a kind of striking, improves electric discharge sensitivity, the paracentesis type external clearance arrester that can effectively take shelter from the thunder.
The utility model adopts following technical scheme:
A kind of paracentesis type external clearance arrester, it comprises post insulator, arc ignition bar and lightning arrester, and described post insulator one end is fixedly connected with insulated cable, and the other end of described post insulator is provided with contact plate; Described contact plate is provided with adjustable plate, is fixedly connected with bottom described lightning arrester with adjustable plate, described lightning arrester head is provided with draining ring; Described arc ignition bar one end is provided with puncture folder, and described puncture is pressed from both sides and is fixedly connected with insulated cable, and the front of motor of described arc ignition bar to be positioned at above the draining ring center of circle and to have spacing with draining ring place plane.
Further, described adjustable plate one end is provided with long slot bore, and is bolted with contact plate.
Further, described lightning arrester is metal oxide arrester.
The beneficial effects of the utility model are: according to point discharge principle, and when producing high voltage when being struck by lightning, arc ignition bar assembles a large amount of electric charge, and and discharge between draining ring, improve the sensitivity of electric discharge, striking is respond well, ensure that the safety of insulated cable and the normal use of terminal equipment.Adjustable plate can regulate the spacing of draining ring and arc ignition bar easily, and maintenance intervention is simple.
Accompanying drawing explanation
Fig. 1 structural representation of the present utility model;
The structural representation of lightning arrester in Fig. 2 the utility model;
Wherein, 1 post insulator, 2 arc ignition bars, 3 lightning arresters, 4 draining rings, 5 puncture folders, 6 contact plates, 7 adjustable plates, 8 insulated cables, 9 long slot bores.
Embodiment
Shown in composition graphs 1 and Fig. 2, a kind of paracentesis type external clearance arrester, it comprises post insulator 1, arc ignition bar 2 and lightning arrester 3, and described post insulator 1 one end is fixedly connected with insulated cable 8, and the other end of described post insulator 1 is provided with contact plate 6; Described contact plate 6 is provided with adjustable plate 7, is fixedly connected with bottom described lightning arrester 3 with adjustable plate 7, described lightning arrester 3 head is provided with draining ring 4; Described arc ignition bar 2 one end is provided with puncture folder 5, and described puncture folder 5 is fixedly connected with insulated cable 8, and the front of motor of described arc ignition bar 2 to be positioned at above draining ring 4 center of circle and to have spacing with draining ring 4 place plane.Described adjustable plate 7 one end is provided with long slot bore 9, and described adjustable plate 7 is bolted with contact plate 6.Described lightning arrester 3 is metal oxide arrester.
During use, post insulator 1 is fixedly connected on insulated cable 8, the position of adjustment arc ignition bar 2, be located at the top of draining ring 4, be fixed on insulated cable 8 with puncture folder 5 by arc ignition bar 2, puncture folder 5 can sting the insulation wall outside insulated cable 8, and by arc ignition bar 2 and insulated wire cores conducting.Adjustment contact plate 6 and the relative position of adjustable plate 7 adjust the spacing of arc ignition bar 2 and draining ring 4, and the center of circle making arc ignition bar 2 be positioned at draining ring 4 goes out and is in 70 ~ 80mm place above the plane of draining ring place.When being struck by lightning, a large amount of electric charge is delivered to the end of arc ignition bar 2 through puncture folder 5, and discharges between the end of arc ignition bar 2 and draining ring 4, thus ensure that the safety of insulated cable 8 and terminal equipment.
Above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in previous embodiment, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of the utility model embodiment technical scheme.
Claims (3)
1. a paracentesis type external clearance arrester, it comprises post insulator (1), arc ignition bar (2) and lightning arrester (3), described post insulator (1) one end is fixedly connected with insulated cable (8), and the other end of described post insulator (1) is provided with contact plate (6); It is characterized in that described contact plate (6) is provided with adjustable plate (7), described lightning arrester (3) bottom is fixedly connected with adjustable plate (7), and described lightning arrester (3) head is provided with draining ring (4); Described arc ignition bar (2) one end is provided with puncture folder (5), and described puncture is pressed from both sides (5) and is fixedly connected with insulated cable (8), and the front of motor of described arc ignition bar (2) to be positioned at above draining ring (4) center of circle and to have spacing with draining ring (4) place plane.
2. a kind of paracentesis type external clearance arrester according to claim 1, is characterized in that described adjustable plate (7) one end is provided with long slot bore (9), and described adjustable plate (7) and contact plate (6) are bolted.
3. a kind of paracentesis type external clearance arrester according to claim 1 and 2, is characterized in that described lightning arrester (3) is metal oxide arrester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520210286.6U CN204538463U (en) | 2015-04-09 | 2015-04-09 | A kind of paracentesis type external clearance arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520210286.6U CN204538463U (en) | 2015-04-09 | 2015-04-09 | A kind of paracentesis type external clearance arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204538463U true CN204538463U (en) | 2015-08-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520210286.6U Expired - Fee Related CN204538463U (en) | 2015-04-09 | 2015-04-09 | A kind of paracentesis type external clearance arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204538463U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110311345A (en) * | 2019-06-18 | 2019-10-08 | 浙江伏尔特电器有限公司 | Over-voltage protector and its mounting rack |
-
2015
- 2015-04-09 CN CN201520210286.6U patent/CN204538463U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110311345A (en) * | 2019-06-18 | 2019-10-08 | 浙江伏尔特电器有限公司 | Over-voltage protector and its mounting rack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20190409 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |