CN210925627U

CN210925627U - Combined lightning arrester

Info

Publication number: CN210925627U
Application number: CN201922423338.9U
Authority: CN
Inventors: 李向军; 高奇峰; 蒋烨; 姜玉银; 朱杰
Original assignee: Ningbo Zhenhai Guochuang High Voltage Electric Apparatus Co ltd
Current assignee: Ningbo Zhenhai Guochuang High Voltage Electric Apparatus Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-07-03
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a combined lightning arrester, in particular to the technical field of lightning arresters, which comprises a lightning arrester box, wherein a cooling mechanism is arranged inside the lightning arrester box; the cooling mechanism includes the scavenger fan, arrester case external fixation is equipped with two fixed plates, the fixed two first U templates that are equipped with in fixed plate top, the fixed second U template that is equipped with between two first U templates, the inside cooling tube that is equipped with of second U template, arrester incasement portion is equipped with a plurality of first zinc oxide arresters, the fixed diaphragm that is equipped with in first zinc oxide arrester bottom, the fixed second zinc oxide arrester that is equipped with in diaphragm bottom, the second zinc oxide arrester is established at the arrester incasement portion. The utility model discloses an utilize scavenger fan and cooling tube to reduce the temperature in the arrester case to avoid first zinc oxide arrester and second zinc oxide arrester to explode because of the high temperature.

Description

Combined lightning arrester

Technical Field

The embodiment of the utility model provides a relate to arrester technical field, concretely relates to modular arrester.

Background

The lightning arrester is used for protecting electrical equipment from being damaged by high transient overvoltage and limiting follow current time, and is an electrical appliance for normally limiting follow current value assignment, and the combined lightning arrester is an upgrading product of a common single-phase lightning arrester.

Because the combination formula zinc oxide arrester connects in parallel on electrified generating line for a long time, must can be long-term through revealing the electric current, can make it generate heat, and indoor arrester is airtight installation more, and does not set up the heat sink, can make the heat gathering, can explode under the serious condition to threaten personal safety.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a modular arrester reduces the temperature in the arrester case through utilizing scavenger fan and cooling tube to avoid first zinc oxide arrester and second zinc oxide arrester to explode because the high temperature, with the arrester explosion, the problem of threat personal safety that solve among the prior art because the arrester high temperature leads to.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: a combined lightning arrester comprises a lightning arrester box, wherein a cooling mechanism is arranged inside the lightning arrester box and extends to the outside of the lightning arrester box;

the cooling mechanism comprises a ventilation fan which is embedded on the rear wall of the arrester box, two fixing plates are fixedly arranged outside the arrester box, two first U-shaped plates are fixedly arranged at the top of the fixing plate, a second U-shaped plate is fixedly arranged between the two first U-shaped plates, two ends of the second U-shaped plate are respectively and fixedly connected with the two fixing plates, the second U-shaped plate is arranged outside the lightning arrester box, a cooling pipe is arranged in the second U-shaped plate and is contacted with the outer wall of the lightning arrester box, two ends of the cooling pipe respectively penetrate through the two fixed plates and extend out of the bottoms of the fixed plates, a plurality of first zinc oxide arresters are arranged inside the arrester box, the first zinc oxide arrester is arranged at the front side of the ventilator, a transverse plate is fixedly arranged at the bottom of the first zinc oxide arrester, and a second zinc oxide arrester is fixedly arranged at the bottom of the transverse plate and is arranged in the arrester box.

Further, a fixing base is fixedly arranged at the bottom of the second zinc oxide arrester, a plurality of fixing bolts are arranged at the top of the fixing base, and the fixing bolts are connected with the fixing base through threads.

Further, cooling pipe one end is equipped with first ooff valve, the cooling pipe other end is equipped with the second ooff valve, first ooff valve and second ooff valve are established respectively in two fixed plate bottoms.

Furthermore, a box door is arranged on the front side of the arrester box and movably connected with the arrester box through a hinge.

Furthermore, a plurality of through holes have been seted up on the chamber door, and a plurality of through holes are inside to be equipped with first filter screen, are favorable to the inside circulation of air of lightning-arrest incasement to reduce the inside temperature of lightning-arrest incasement.

Furthermore, a second filter screen is arranged on the rear side of the ventilation fan and embedded in the rear wall of the lightning arrester box.

Furthermore, a first lead and a second lead are arranged inside the arrester box, the first lead and the second lead are both electrically connected with a second zinc oxide arrester, the first lead and the second lead extend out of the bottom of the arrester box, and the second lead is arranged on one side of the first lead.

The embodiment of the utility model provides a have following advantage:

the utility model discloses an at arrester incasement portion installation scavenger fan to set up the cooling tube in arrester case outside, utilize scavenger fan and cooling tube to reduce the temperature in the arrester case, compare with prior art, the effectual first zinc oxide arrester and the second zinc oxide arrester of having avoided because the high condition that explodes of high temperature, and then the effectual personal safety of having guaranteed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic view of the overall structure provided by the present invention;

fig. 2 is a vertical sectional view provided by the present invention;

fig. 3 is a top view provided by the present invention;

fig. 4 is a top view of the first zinc oxide arrester provided by the present invention;

fig. 5 is a cross-sectional view provided by the present invention;

in the figure: 1 arrester box, 2 scavenger fan, 3 fixed plates, 4 first U template, 5 second U template, 6 cooling pipes, 7 first ooff valves, 8 second ooff valves, 9 first zinc oxide arrester, 10 diaphragm, 11 second zinc oxide arrester, 12 unable adjustment base, 13 fixing bolt, 14 first wire, 15 second wire, 16 chamber doors, 17 through-holes.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to the attached fig. 1-5 in the specification, the combined lightning arrester of the embodiment includes a lightning arrester box 1, wherein a cooling mechanism is arranged inside the lightning arrester box 1, and the cooling mechanism extends to the outside of the lightning arrester box 1;

the cooling mechanism comprises a ventilation fan 2, the ventilation fan 2 is embedded on the rear wall of a lightning arrester box 1, two fixing plates 3 are fixedly arranged outside the lightning arrester box 1, two first U-shaped plates 4 are fixedly arranged at the tops of the fixing plates 3, a second U-shaped plate 5 is fixedly arranged between the two first U-shaped plates 4, two ends of the second U-shaped plate 5 are respectively and fixedly connected with the two fixing plates 3, the second U-shaped plate 5 is arranged outside the lightning arrester box 1, a cooling pipe 6 is arranged inside the second U-shaped plate 5, the cooling pipe 6 is contacted with the outer wall of the lightning arrester box 1, two ends of the cooling pipe 6 respectively penetrate through the two fixing plates 3 and extend out of the bottoms of the fixing plates 3, a plurality of first zinc oxide lightning arresters 9 are arranged inside the lightning arrester box 1, the first zinc oxide lightning arresters 9 are arranged on the front side of the ventilation fan 2, and a transverse plate 10 is fixedly arranged at the bottoms of the first, and a second zinc oxide arrester 11 is fixedly arranged at the bottom of the transverse plate 10, and the second zinc oxide arrester 11 is arranged inside the arrester box 1.

Further, a fixing base 12 is fixedly arranged at the bottom of the second zinc oxide arrester 11, a plurality of fixing bolts 13 are arranged at the top of the fixing base 12, and the fixing bolts 13 are in threaded connection with the fixing base 12, so that the second zinc oxide arrester 11 is favorably fixed inside the arrester box 1.

Further, 6 one ends of cooling tube are equipped with

first ooff valve

7, 6 other ends of cooling tube are equipped with second ooff valve 8, establish respectively in two fixed plates 3 bottoms with second ooff valve 8 first ooff valve 7, conveniently change the inside water of cooling tube 6.

Furthermore, a box door 16 is arranged on the front side of the arrester box 1, and the box door 16 is movably connected with the arrester box 1 through a hinge, so that the box door 16 is convenient to open.

Further, a plurality of through holes 17 have been seted up on the chamber door 16, and a plurality of through holes 17 are inside to be equipped with first filter screen, are favorable to the inside circulation of air of lightning-arrest case 1 to reduce the inside temperature of lightning-arrest case 1.

Further, a second filter screen is arranged on the rear side of the ventilation fan 2 and is embedded in the rear wall of the lightning arrester box 1, so that hot air in the lightning arrester box 1 can be discharged conveniently, and the temperature in the lightning arrester box 1 can be reduced.

Further, lightning arrester case 1 is inside to be equipped with first wire 14 and second wire 15, first wire 14 and second wire 15 all with 11 electric connection of second zinc oxide lightning arrester, first wire 14 and second wire 15 extend lightning arrester case 1 bottom, second wire 15 is established in first wire 14 one side, and is convenient the utility model discloses work.

The implementation scenario is specifically as follows: the first lead 14 is connected with an indoor ground wire, the second lead 15 is connected with an indoor electric wire, the first switch valve 7 is opened, cold water is injected into the cooling pipe 6, the first switch valve 7 is closed after the cold water is injected, the second zinc oxide arrester 11, the first zinc oxide arrester 9 and the ventilation fan 2 are started, the second zinc oxide arrester 11 and the first zinc oxide arrester 9 generate heat when working, the generated heat heats the air in the lightning box 1, the cold water in the cooling pipe 6 absorbs the heat through the cooling pipe 6 and the side wall of the lightning box 1, so that the temperature of the air in the lightning box 1 is reduced, meanwhile, the ventilation fan 2 works to suck the hot air in the lightning box 1 into the ventilation fan 2, and then discharges the hot air to the outside of the lightning box 1 through the second filter screen behind the ventilation fan 2, so as to play a role in reducing the temperature in the lightning box 1, when the utility model discloses after work a period, cold water temperature in the cooling tube 6 risees and can not continue to play the effect of cooling, open second ooff valve 8, water in the cooling tube 6 can flow out through second ooff valve 8, close second ooff valve 8 after water in the cooling tube 6 flows out completely, then open first ooff valve 7 again to the lower cold water of the inside injection temperature of cooling tube 6, close first ooff valve 7 after the water injection is accomplished and can make the cold water in the cooling tube 6 continue to cool down to lightning arrester case 1 is inside, thereby the effectual condition of having avoided 1 inside high temperature first zinc oxide arrester 9 of lightning arrester and the condition that 11 take place the explosion of second zinc oxide arrester of lightning arrester, and then ensured personal safety, this embodiment has specifically solved among the prior art zinc oxide arrester high temperature and has exploded, threatened the problem of personal safety.

The working principle is as follows:

referring to the attached drawings 1-5 in the specification, a first lead 14 and a second lead 15 are respectively connected with an indoor ground wire and an indoor electric wire, then a first switch valve 7 is opened, cold water is injected into a cooling pipe 6, then a second zinc oxide arrester 11, a first zinc oxide arrester 9 and a ventilation fan 2 are started, the second zinc oxide arrester 11 and the first zinc oxide arrester 9 generate heat when working, so that the internal temperature of the lightning arrester box 1 is raised, at the moment, the cold water absorbs the heat through the cooling pipe 6 and the side wall of the lightning arrester box 1, so that the internal temperature of the lightning arrester box 1 is reduced, and meanwhile, the ventilation fan 2 works to discharge hot air in the lightning arrester box 1 to the outside of the lightning arrester box 1, so that the effect of reducing the internal temperature of the lightning arrester box 1 is achieved.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a modular arrester, includes arrester case (1), its characterized in that: a cooling mechanism is arranged inside the lightning arrester box (1), and extends to the outside of the lightning arrester box (1);

the cooling mechanism comprises a ventilation fan (2), the ventilation fan (2) is embedded on the rear wall of the lightning arrester box (1), two fixing plates (3) are fixedly arranged outside the lightning arrester box (1), two first U-shaped plates (4) are fixedly arranged at the tops of the fixing plates (3), a second U-shaped plate (5) is fixedly arranged between the two first U-shaped plates (4), two ends of the second U-shaped plate (5) are respectively and fixedly connected with the two fixing plates (3), the second U-shaped plate (5) is arranged outside the lightning arrester box (1), a cooling pipe (6) is arranged inside the second U-shaped plate (5), the cooling pipe (6) is in contact with the outer wall of the lightning arrester box (1), two ends of the cooling pipe (6) respectively penetrate through the two fixing plates (3) and extend out of the bottoms of the fixing plates (3), a plurality of first zinc oxide lightning arresters (9) are arranged inside the lightning arrester box (1), the ventilation fan is characterized in that the first zinc oxide arrester (9) is arranged on the front side of the ventilation fan (2), a transverse plate (10) is fixedly arranged at the bottom of the first zinc oxide arrester (9), a second zinc oxide arrester (11) is fixedly arranged at the bottom of the transverse plate (10), and the second zinc oxide arrester (11) is arranged inside the arrester box (1).

2. A modular arrester according to claim 1, characterized in that: the fixed base (12) is fixedly arranged at the bottom of the second zinc oxide arrester (11), a plurality of fixing bolts (13) are arranged at the top of the fixed base (12), and the fixing bolts (13) are connected with the fixed base (12) through threads.

3. A modular arrester according to claim 1, characterized in that: cooling pipe (6) one end is equipped with first ooff valve (7), cooling pipe (6) other end is equipped with second ooff valve (8), establish respectively in two fixed plate (3) bottoms first ooff valve (7) and second ooff valve (8).

4. A modular arrester according to claim 1, characterized in that: a box door (16) is arranged on the front side of the arrester box (1), and the box door (16) is movably connected with the arrester box (1) through a hinge.

5. A modular arrester according to claim 4, characterized in that: a plurality of through holes (17) are formed in the box door (16), and a first filter screen is arranged in the through holes (17).

6. A modular arrester according to claim 1, characterized in that: and a second filter screen is arranged on the rear side of the ventilation fan (2) and is embedded on the rear wall of the arrester box (1).

7. A modular arrester according to claim 1, characterized in that: the lightning arrester is characterized in that a first lead (14) and a second lead (15) are arranged inside the lightning arrester box (1), the first lead (14) and the second lead (15) are electrically connected with a second zinc oxide lightning arrester (11), the first lead (14) and the second lead (15) extend out of the bottom of the lightning arrester box (1), and the second lead (15) is arranged on one side of the first lead (14).