CN218568556U - Compact lightning arrester - Google Patents

Abstract

The utility model relates to an arrester technical field, especially compact arrester, including insulating housing, the insulating housing upper end is run through and has been seted up the through-hole, the second thread groove has all been seted up to the lower segment on the through-hole circumference inner wall that the second thread groove was seted up, two equal threaded mounting of inslot has the erection column, two are rotated to two that insulating housing seted up the erection column is all seted up first thread groove, two from the end the erection column is all provided with the rectangular plate from the end. The utility model discloses a metal piezo-resistor of installation between two erection columns for general arrester is little a lot compared to its size, and is more compact, and more suitable is installed in some less places such as block terminal, can take shelter from thunder to these places, compares traditional large-scale arrester, and it is lightning-arrest to be fit for some small-size electronic component more, and a metal piezo-resistor in it, is enough to release the high pressure that the thunder and lightning produced.

Description

Compact lightning arrester

Technical Field

The utility model relates to an arrester technical field especially relates to compact arrester.

Background

The lightning arrester: an electric appliance for protecting electric equipment from high transient overvoltage caused by lightning stroke, limiting follow current time and normally limiting follow current amplitude. Arresters are sometimes referred to as overvoltage protectors, overvoltage limiters, ac gapless metal oxide arresters are used to protect the insulation of ac power transmission and transformation equipment from lightning overvoltages and operational overvoltages. The overvoltage protection circuit is suitable for overvoltage protection of transformers, transmission lines, distribution panels, switch cabinets, power metering boxes, vacuum switches, parallel compensation capacitors, rotating motors, semiconductor devices and the like; however, the existing lightning arrester is generally large in size and not compact enough, and is inconvenient to install when being installed in a distribution box or some small boxes, so that the lightning arrester cannot protect electronic components in the distribution box.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a compact arrester, including insulating housing, the insulating housing upper end is run through and has been seted up the through-hole, second thread groove has all been seted up to the through-hole circumference inner wall hypomere on the insulating housing was seted up, two rotate equal threaded mounting in the inslot of insulating housing and have been installed the erection column, two the erection column is all seted up first thread groove, two from the end the erection column is all provided with the rectangular plate, two from the end the equal activity of erection column opposite face is provided with two spacer pads, two the activity is provided with metal piezo-resistor between the spacer pad, spacer pad and metal piezo-resistor all are located the through-hole that insulating housing seted up, insulating housing surface parcel has the silica gel cover, the equal fixed mounting of lower extreme has metal attachment on the silica gel cover.

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

as a preferred technical scheme of the utility model, two the threaded rod is installed to the equal screw thread in the first thread groove that the erection column was seted up.

As a preferred technical scheme of the utility model, two the threaded rod interlude screw thread is all installed at silica gel cover both ends.

As an optimal technical scheme of the utility model, two positioning nut is installed to the equal screw thread in threaded rod circumferential surface.

As an optimal technical scheme of the utility model, two positioning nut laminates two metal covering plates respectively and leaves the end.

As a preferred technical scheme of the utility model, the quantity of rectangular plate is four, and per two rectangular plate difference fixed mounting are at the end that leaves mutually of two erection columns.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. this compact arrester, through a metal piezo-resistor of installation between two erection columns for general arrester is little a lot less than its size, and is compacter, and more suitable for is installed in some less places such as block terminal etc. place, can take shelter from thunder to these places, compares traditional large-scale arrester, and it is lightning-arrest to be more suitable for some small-size electronic component, and a metal piezo-resistor therein, is enough to release the high pressure that the thunder and lightning produced.

2. This compact arrester, through two rectangular plates of installation on the erection column, can let the erection column when installing the through-hole that insulating housing seted up, more convenience twists reverse, after rotatory going into with an erection column, pack into four interval gaskets and a metal piezo-resistor according to the order in proper order, pack into the through-hole other end that insulating housing seted up with another erection column again, twist and move two rectangular plates, make two erection columns fix four interval gaskets and a metal piezo-resistor of inside, through two rectangular plates, can be very convenient when the installation, the efficiency when the installation is installed has been improved.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

fig. 2 is a schematic structural view of the silica gel sleeve of the present invention;

fig. 3 is a schematic structural view of the insulating housing of the present invention;

fig. 4 is a schematic structural view of the mounting post of the present invention.

Wherein: 11. mounting a column; 12. a rectangular plate; 13. a first thread groove; 14. a spacer; 15. a metal varistor; 21. an insulating housing; 22. a through hole; 23. a second thread groove; 31. a silica gel sleeve; 32. a metal cover plate; 33. positioning a nut; 34. a threaded rod.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

The embodiment is as follows:

as shown in fig. 1, fig. 2, fig. 3, fig. 4, the compact lightning arrester includes an insulating housing 21, a through hole 22 is formed in the upper end of the insulating housing 21 in a penetrating manner, second thread grooves 23 are formed in the upper and lower sections of the circumferential inner wall of the through hole 22 formed in the insulating housing 21, mounting posts 11 are installed in two rotation grooves formed in the insulating housing 21 in a threaded manner, first thread grooves 13 are formed in two separated ends of the mounting posts 11, the compact lightning arrester is configured such that a threaded rod 34 of the upper and lower ends is installed between electronic components to be protected against lightning, the electronic components are tightly attached to two positioning nuts 33 through bolts, when encountering lightning, ultrahigh-voltage current flows into the threaded rod 34 from one end of the electronic components, the ultrahigh-voltage current is transmitted to the mounting posts 11 from the threaded rod 34, two spacing gaskets 14 and a metal varistor 15 are clamped between the two mounting posts 11, instantaneous high-voltage power can be released to avoid the instantaneous high-voltage power from being transmitted to the electronic component main body to cause damage, two mounting posts 11 are both provided with the rectangular plates 12 at the separated ends, two spacing gaskets 14, a movable between the two spacing gaskets 14 and a metal varistor 15 is provided between the two mounting posts 11, a spacing gasket 15, a silicone sleeve 31 is provided on the outer surface of the insulating housing 21, and a lower end of the insulating housing 21 is provided with a silicone sleeve 32. Threaded rods 34 are mounted in the first thread grooves 13 formed in the two mounting columns 11 in a threaded manner. The interlude screw thread is all installed at silica gel cover 31 both ends to 34 interlude of two threaded rods. Both circumferential surfaces of the two threaded rods 34 are threadedly mounted with the set nuts 33. Two positioning nuts 33 are respectively attached to the two separated ends of the metal cover plates 32. The quantity of rectangular plate 12 is four, per two rectangular plate 12 respectively fixed mounting at the end that leaves mutually of two erection columns 11, this is novel through a metal piezo-resistor 15 of installation between two erection columns 11, make its size compare general arrester a lot of little, it is compacter, be more suitable for in some less places such as local installations such as block terminal, can carry out lightning protection to these places, compare traditional large-scale arrester, it is lightning-arrest to be fit for some small-size electronic component more, and a metal piezo-resistor 15 in it, be enough to release the high pressure that the thunder and lightning produced. This compact arrester is when the installation, through two rectangular plates 12 of installation at 11 upper ends of erection column, can let erection column 11 when installing in the through-hole 22 that insulating housing 21 seted up, more convenience twists reverse, after rotating into an erection column 11, pack into four interval pads 14 and a metal piezo-resistor 15 in proper order, pack into the through-hole 22 other end that insulating housing 21 seted up with another erection column 11 again, twist two rectangular plates 12, make two erection columns 11 fix four interval pads 14 and a metal piezo-resistor 15 of inside, through two rectangular plates 12, it is very convenient to install the time spent, the efficiency of when the installation has been improved.

Instructions for use: this compact arrester is through installing upper and lower extreme threaded rod 34 between the electronic component that needs the lightning protection, rethread bolt tightly laminates electronic component with two set nut 33, and when meetting the thunder and lightning, extra-high voltage's electric current flows into threaded rod 34 from the one end of electronic component, on transmitting to erection column 11 from threaded rod 34, and through pressing from both sides two interval gasket 14 and metal piezo-resistor 15 between two erection columns 11, can release the high-voltage electricity in the twinkling of an eye, avoid its transmission to the electronic component main part, cause the damage, this novel through a metal piezo-resistor 15 of installing between two erection columns 11, make its size little a lot less than general arrester, compacter, more be fit for installing in some places such as block terminal less places, can carry out lightning protection to these places, compare traditional large-scale arrester, be more fit for some small-size electronic component, and a metal piezo-resistor 15 in it, be enough to release the high pressure that the thunder and lightning produced.

This compact arrester is when the installation, through two rectangular plates 12 at 11 upper ends installations of erection column, can let erection column 11 when installing in the through-hole 22 that insulating housing 21 seted up, more convenience twists reverse, after rotatory going into with an erection column 11, pack into four interval gaskets 14 and a metal piezo-resistor 15 according to the order in proper order, pack into the through-hole 22 other end that insulating housing 21 seted up with another erection column 11 again, twist two rectangular plates 12, make two erection columns 11 fix four interval gaskets 14 and a metal piezo-resistor 15 of inside, through two rectangular plates 12, can be very convenient when the installation, the efficiency when the installation has been improved.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims (6)

1. Compact arrester, including insulating housing (21), its characterized in that: through-hole (22) have been run through to insulating casing (21) upper end, second thread groove (23) have all been seted up to lower section on through-hole (22) circumference inner wall that insulating casing (21) were seted up, equal threaded installation of erection column (11), two in two rotation inslot that insulating casing (21) were seted up erection column (11) end of separating mutually has all seted up first thread groove (13), two erection column (11) end of separating mutually all is provided with rectangular plate (12), two erection column (11) opposite face activity all is provided with two interval gaskets (14), two the activity is provided with metal piezo-resistor (15) between interval gasket (14), interval gasket (14) and metal piezo-resistor (15) all are located through-hole (22) that insulating casing (21) were seted up, insulating casing (21) surface parcel has silica gel cover (31), the equal fixed mounting of lower extreme has metal apron (32) on silica gel cover (31).

2. The compact arrester of claim 1, wherein: threaded rods (34) are installed in the first thread grooves (13) formed in the two installation columns (11) in a threaded mode.

3. The compact arrester of claim 2, wherein: two threaded rod (34) interlude screw thread is all installed at silica gel cover (31) both ends.

4. The compact arrester of claim 2, wherein: and positioning nuts (33) are arranged on the circumferential surfaces of the two threaded rods (34) in a threaded manner.

5. The compact arrester of claim 4, wherein: the two positioning screw caps (33) are respectively attached to the two separated ends of the two metal cover plates (32).

6. The compact arrester of claim 1, wherein: the number of the rectangular plates (12) is four, and every two rectangular plates (12) are fixedly arranged at the separated ends of the two mounting columns (11) respectively.

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