CN211150222U

CN211150222U - Novel lightning arrester

Info

Publication number: CN211150222U
Application number: CN201922462618.0U
Authority: CN
Inventors: 徐同庆; 范红海
Original assignee: Nanjing Ruiduo Electric Co ltd
Current assignee: Nanjing Ruiduo Electric Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-07-31
Anticipated expiration: 2029-12-31

Abstract

The utility model provides a new-type arrester, including porcelain body shell, porcelain body shell's both ends are high-voltage terminal and earthing terminal respectively, the one end fixedly connected with end cover of high-voltage terminal, the outer fringe department of end cover evenly fills there is sealing glue layer, the lower extreme fixed mounting of end cover has leads core terminal seat, the one end fixedly connected with spring body of leading core terminal seat, the inside fixed cross-under of high-voltage terminal and earthing terminal has binding post, the one end fixed mounting of high-voltage terminal has the fixed block, links up section porcelain system middle-end through adopting the multiunit and cooperates and connect into holistic arrester, and it can adapt to the protection with multiple electrical apparatus, can carry out the apolegamy according to actual conditions, can practice thrift certain cost of manufacture, and the installation is simple. The sealing rings are additionally arranged at the two ends of the device and the connecting part of the ceramic middle end of the connecting section, so that the resistance core material inside the device can be ensured to be in a constant environment, the phenomenon of oxidation and corrosion inside the device is avoided, and the service life of the whole device is influenced.

Description

Novel lightning arrester

Technical Field

The utility model relates to a lightning arrester technical field, concretely relates to new-type lightning arrester.

Background

The arrester is an electrical apparatus protection device for connecting between cable and the ground, can protect electrical equipment in special thunder and lightning weather, and the arrester divide into the multiple in daily life, wherein involves the zinc oxide arrester, because the protection clearance can appear cutting the wave after the action punctures, leads to easily by protection device impaired to can not effectually cut off the power frequency afterflow. The inside voltage maldistribution of arrester among the prior art leads to the resistance card easily to age, can only select the arrester that corresponds the type through the requirement of difference at modern most arrester, can not improve in the structure so that be suitable for multiple occasion, can not be according to the difference by the protected object select fast, the equipment type. The exhaust type lightning arrester in the market is too steep in volt curve and large in dispersity, is difficult to be reasonably and insulatively matched with protected electrical equipment, is troublesome to later-stage operation and maintenance, and is high in maintenance cost.

Therefore, a novel lightning arrester is provided to solve the problems of the prior art.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to provide a new lightning arrester to solve the above problems.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a novel lightning arrester, which comprises a porcelain shell, wherein the two ends of the porcelain shell are respectively a high-voltage end and a grounding end, one end of the high-voltage end is fixedly connected with an end cover, the outer edge of the end cover is uniformly filled with a sealing adhesive layer, the lower end of the end cover is fixedly provided with a core guiding terminal seat, one end of the core guiding terminal seat is fixedly connected with a spring body, the high-voltage end and the grounding end are fixedly connected with a wiring terminal in a penetrating way, one end of the high-voltage end is fixedly provided with a fixed block, a linking section porcelain middle end is connected in the porcelain shell, a zinc oxide resistor is arranged in the porcelain shell, one end of the zinc oxide resistor is fixedly connected with a valve plate, the porcelain shell and the zinc oxide resistor are connected through a thermal shrinkage body, one end of the grounding end is fixedly provided with a spring plate, and the, one end of the grounding end is connected with an electrical connection sheet, one end of the electrical connection sheet is connected with the movable connector, and the other end of the movable connector is connected with a fixing ring.

As an optimal technical scheme of the utility model, it has the multiunit to link up section porcelain system middle-end and link up through thread tightening range mutually, and links up the fixed embedding of outer fringe department of section porcelain system middle-end and have cyclic annular sealing washer.

As an optimal technical scheme of the utility model, the whole zinc-plated piece that is of fixed block passes through bolt fixed connection at the both ends of porcelain body shell.

As an optimized technical proposal of the utility model, the adjustable movable range between the fixed ring and the movable connector is 0 to 180 degrees.

As an optimized technical scheme of the utility model, one side electric connection that lies in the core terminal seat is led in the high-pressure side has the fuse.

As a preferred technical proposal of the utility model, the whole valve block is a zinc oxide ring sheet valve block with the thickness of 5-10 mm.

As a preferred technical scheme of the utility model, the whole through connection of binding post is in the intermediate position department of the spring body, and links to each other with core terminal seat electrical property of leading.

The utility model discloses the beneficial effect who reaches is:

the utility model discloses an adopt multiunit to link up section porcelain system middle-end and cooperate and connect into holistic arrester, its protection that can adapt to and multiple electrical apparatus can carry out the apolegamy according to actual conditions, can practice thrift certain cost of manufacture, and the installation is simple. The inside of joining section porcelain system middle-end adopts zinc oxide as resistance material, and it can improve protective properties, and the looks department has the residual voltage with traditional valve body formula arrester low, reacts fast and characteristics such as through-flow capacity are big. Wholly through adding at both ends and establishing the fixed block, can select standing-type or horizontal installation according to the actual installation condition through the fixed block, can select according to the installation condition of reality, avoid the installation restricted, improve holistic lightning-arrest effect. The sealing rings are additionally arranged at the two ends of the device and the connecting part of the ceramic middle end of the connecting section, so that the resistance core material inside the device can be ensured to be in a constant environment, the phenomenon of oxidation and corrosion inside the device is avoided, and the service life of the whole device is influenced.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the structure of the connecting section porcelain middle end of the present invention;

fig. 3 is a schematic diagram of an equivalent circuit structure of the present invention.

In the figure: 1. a porcelain body housing; 2. a high-voltage end; 3. a ground terminal; 4. an end cap; 5. sealing the adhesive layer; 6. a conductive core terminal base; 7. a spring body; 8. a wiring terminal; 9. a fixed block; 10. a connecting section made of porcelain middle end; 11. a zinc oxide resistor body; 12. a valve plate; 13. a heat-shrinkable sealing body; 14. a spring plate; 15. a bite tooth spacer; 16. electrically connecting the sheets; 17. a movable connector; 18. and (4) fixing the ring.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in fig. 1-3, the utility model provides a novel lightning arrester, which comprises a porcelain shell 1, wherein the two ends of the porcelain shell 1 are respectively a high-voltage end 2 and a grounding end 3, one end of the high-voltage end 2 is fixedly connected with an end cover 4, the outer edge of the end cover 4 is uniformly filled with a sealant layer 5, the lower end of the end cover 4 is fixedly provided with a lead terminal base 6, one end of the lead terminal base 6 is fixedly connected with a spring body 7, the inside of the high-voltage end 2 and the grounding end 3 is fixedly connected with a wiring terminal 8 in a penetrating way, one end of the high-voltage end 2 is fixedly provided with a fixed block 9, the porcelain shell 1 is connected with a connecting section porcelain middle end 10, the inside of the porcelain shell 1 is provided with a zinc oxide resistor body 11, one end of the zinc oxide resistor body 11 is fixedly connected with a valve block 12, the porcelain shell 1 is connected with the zinc oxide, the one end fixed mounting of earthing terminal 3 has shell fragment 14, the bottom of earthing terminal 3 is connected with interlock tooth gasket 15, the one end of earthing terminal 3 is connected with electrical connection piece 16, electrical connection piece 16 one end links to each other with movable joint head 17, the other end of movable joint head 17 is connected with solid fixed ring 18.

By adopting the technical scheme, furthermore, the connection section ceramic middle end 10 is fixedly arranged through threads to be connected with a plurality of groups, and the outer edge of the connection section ceramic middle end 10 is fixedly embedded with an annular sealing ring.

By adopting the technical scheme, the whole fixed block 9 is a galvanized sheet and is fixedly connected to the two ends of the porcelain shell 1 through bolts.

By adopting the technical scheme, the adjustable moving range between the fixed ring 18 and the movable connector 17 is 0-180 degrees.

By adopting the technical scheme, further, one side of the high-voltage end 2, which is positioned on the core-guiding terminal seat 6, is electrically connected with a fuse.

By adopting the technical scheme, the valve plate 12 is a zinc oxide ring-shaped valve plate with the thickness of 5-10 mm.

By adopting the technical scheme, further the whole connecting terminal 8 is connected to the middle position of the spring body 7 in a penetrating way and is electrically connected with the conductive core terminal seat 6.

The working principle is as follows: before the porcelain body shell is used, firstly, the porcelain body shell is installed according to actual conditions on site, firstly, fixing blocks 9 at two ends of the porcelain body shell 1 are fixed through bolts, the porcelain body shell can be vertically installed or installed in parallel during actual installation, then, a high-voltage wire is electrically connected to a wiring terminal 8 in a high-voltage end 2 at one end of the porcelain body shell 1, and then, the wiring terminal 8 in a grounding end 3 is connected to a grounding wire appointed on site through a wire. The conductive core terminal block 6 in the end cap 4 at one end of the magnet housing 1 is electrically connected to the high voltage terminal 2 by a conductor bolt. The two ends of the fixing block 9 are connected through the meshed tooth gaskets 15 connected through the bolts, so that the connecting force during connection is improved, and the lead is prevented from falling off. The equal sealing connection in end cover 4 contact edge at 1 both ends of porcelain body shell has sealing glue layer 5, and mainly used avoids the infiltration, leads to inner conductor oxidation corrosion. The inside fixed mounting of end 10 has zinc oxide resistive element 11 in the middle of the linking section porcelain that porcelain body shell 1 middle-end is connected, and the both ends of zinc oxide resistive element 11 link to each other with valve block 12, the both ends of linking section porcelain system middle-end 10 are seted up threadedly, link to each other with porcelain body shell 1 through the screw thread, the electrical equipment that can protect according to actual need during the concrete connection adds linking section porcelain system middle-end 10, can be convenient for connect according to actual conditions, so that can the at utmost protect electrical equipment. FIG. 3 is a circuit diagram of the equivalent of ZnO in the device body, wherein R1 is the internal ZnO grain resistance with low renting characteristic, R2 represents the internal via resistance with higher resistivity, and the parallel connected capacitors are the via capacitors. The movable connector 17 is used for adjusting the angle of the porcelain body shell 1 in the actual installation process, and the fixing ring 18 is used for fixing other devices or is connected with the lightning arrester at the other end in series through the fixing ring 18. The device main part connects into holistic arrester through adopting multiunit linking section porcelain system middle-end 10 to cooperate, and it can adapt to the protection with multiple electrical apparatus, can carry out the apolegamy according to actual conditions, can practice thrift certain cost of manufacture, and the installation is simple. The connection section ceramic middle end 10 adopts zinc oxide as a resistance material inside, the protection performance can be improved, and the connection section ceramic middle end and a traditional valve body type lightning arrester have the characteristics of low residual voltage, quick reaction, large through-current capacity and the like.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel lightning arrester comprises a porcelain body shell (1) and is characterized in that a high-voltage end (2) and a grounding end (3) are respectively arranged at two ends of the porcelain body shell (1), an end cover (4) is fixedly connected with one end of the high-voltage end (2), a sealing adhesive layer (5) is uniformly filled at the outer edge of the end cover (4), a core guiding terminal seat (6) is fixedly installed at the lower end of the end cover (4), a spring body (7) is fixedly connected with one end of the core guiding terminal seat (6), a wiring terminal (8) is fixedly connected inside the high-voltage end (2) and the grounding end (3) in a penetrating manner, a fixed block (9) is fixedly installed at one end of the high-voltage end (2), a ceramic middle end (10) of a resistor body section is connected in the porcelain body shell (1), zinc oxide (11) is installed inside the porcelain body shell (1), and a valve block (12) is fixedly connected with one end of the zinc, porcelain body shell (1) links to each other through pyrocondensation seal (13) with zinc oxide resistive element (11), the one end fixed mounting of earthing terminal (3) has shell fragment (14), the bottom of earthing terminal (3) is connected with interlock tooth gasket (15), the one end of earthing terminal (3) is connected with electric connection piece (16), electric connection piece (16) one end links to each other with swing joint head (17), the other end of swing joint head (17) is connected with solid fixed ring (18).

2. A new lightning arrester, according to claim 1, characterized in that; the connection section ceramic middle end (10) is fixedly arranged through threads to be connected with a plurality of groups, and an annular sealing ring is fixedly embedded in the outer edge of the connection section ceramic middle end (10).

3. A new lightning arrester, according to claim 1, characterized in that; the whole fixed block (9) is a galvanized sheet and is fixedly connected to two ends of the porcelain body shell (1) through bolts.

4. A new lightning arrester, according to claim 1, characterized in that; the adjustable moving range between the fixed ring (18) and the movable connector (17) is 0-180 degrees.

5. A new lightning arrester, according to claim 1, characterized in that; and one side of the high-voltage end (2) positioned on the core-guiding terminal seat (6) is electrically connected with a fuse wire.

6. A new lightning arrester, according to claim 1, characterized in that; the valve plate (12) is a zinc oxide ring-shaped valve plate with the thickness of 5-10 mm.

7. A new lightning arrester, according to claim 1, characterized in that; the whole body of the wiring terminal (8) is connected to the middle position of the spring body (7) in a penetrating way and is electrically connected with the conductive core terminal seat (6).