CN214069087U

CN214069087U - Lightning protection grounding structure for high-rise building

Info

Publication number: CN214069087U
Application number: CN202023104914.2U
Authority: CN
Inventors: 宋琳琳; 阮斌
Original assignee: Suzhou Urban Development Architectural Design Institute Co ltd
Current assignee: Suzhou Urban Development Architectural Design Institute Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-08-27
Anticipated expiration: 2030-12-21

Abstract

The utility model provides a high-rise building lightning grounding structure which characterized in that: including from last to the lightning arrester (1) that is located building (4) top that connects gradually down, be located building (4) base member inside be used for guiding the electric current draw down device (2) and be located earthing device (3) of building (4) bottom, lightning arrester (1) is including lightning arrester (11) and a plurality of many guide rods (12) that are located lightning arrester (11) bottom, many guide rod (12) bottom all is connected with drawing down device (2).

Description

Lightning protection grounding structure for high-rise building

Technical Field

The application relates to the field of lightning protection facilities, in particular to a lightning protection grounding structure for a high-rise building.

Background

Thunder is a common natural phenomenon, and can generate strong damage to an object after the object is hit by thunder. With the rise of high-rise buildings, lightning protection is an important subject for people to fight against the nature, and the installation of lightning rods is one of the effective lightning protection measures for people.

Most of the prior lightning rods are composed of a receptor, a grounding down conductor and a grounding body which are connected in series, wherein the receptor refers to a metal needle head at the top end part of the lightning rod, and the position of the receptor is higher than that of a building; the grounding down conductor is the middle part of the lightning rod and is used for connecting the lightning receptor and the grounding body; the grounding body is the lowest part of the whole lightning rod and is used for guiding the lightning into the ground. The lightning rod takes advantage of its high level of operating nature to conduct the charge in the cloud to the bottom by itself, thus eliminating the risk of lightning striking the building.

In view of the above-mentioned related technologies, the inventor thinks that the height of a high-rise building is high, and the phenomenon of excessive current easily occurs in the lightning rod, and easily causes influence on the electric appliances in the building.

SUMMERY OF THE UTILITY MODEL

In order to improve because of the lightning rod interior current too big easily to cause the influence to the electrical apparatus in the building, this application provides a high-rise building lightning grounding structure.

The application provides a high-rise building lightning grounding structure adopts following technical scheme:

the utility model provides a high-rise building lightning grounding structure, includes from last to the lightning arrester that is located the building top that connects gradually down, be located the inside device that draws down that is used for guide current of building base member and the earthing device that is located the building bottom, the lightning arrester includes lightning arrester and a plurality of many guide rods that are located lightning arrester bottom, many guide rod bottom all with draw down the device and be connected.

Through adopting above-mentioned technical scheme, will split through the lightning receptor and collect to the thunder and lightning of building to through drawing down the device and shunting and leading into earthing device, finally lead to the underground with the thunder and lightning through earthing device, reach good lightning-arrest effect. Simultaneously can shunt the electric current in the arrester through the setting of many guide poles, and the rethread draws down device and earthing device and introduces the ground after dispersing, can effectively protect the electrical apparatus in the building.

Preferably, many the guide rod evenly sets up along arrester bottom circumference.

Through adopting above-mentioned technical scheme, be convenient for after with the inside electric current homodisperse of arrester, the rethread draws down device and earthing device and introduces the ground after dispersing, reaches good lightning-arrest effect, can effectively protect the electrical apparatus in the building.

Preferably, the top of the building is provided with a lightning strip along the circumferential direction of the top of the building, and the bottom of the lightning strip is connected with the down-leading device.

Through adopting above-mentioned technical scheme, through the setting in lightning-arrest area, can assist the arrester to split and connect to the thunder and lightning of building and draw, reach good lightning-arrest effect, can effectively protect the electrical apparatus in the building.

Preferably, the downlead is put including the downlead pole that is located the inside main part reinforcing bar of building base member and many edge vertical direction settings, main part reinforcing bar and a plurality of downlead pole all are connected with lightning strip and lightning arrester.

Through adopting above-mentioned technical scheme, through the setting of main part reinforcing bar and many guide bars, form cage form space, according to the principle of Faraday cage, can lead the electric current of thunder and lightning to the ground, but its inside potential difference is zero, and electric charge only distributes on the surface of being close to the department of discharging, lets back rethread earthing device with electric charge dispersion to ground, reaches good lightning-arrest effect, can effectively protect the electrical apparatus in the building.

Preferably, an insulating protective layer made of marble material is arranged between the outside of the main body steel bars and the plurality of down-lead rods and the base body of the building.

Through adopting above-mentioned technical scheme, through insulating protective layer's setting, can keep apart the insulation to the electric charge that draws down the device surface, can protect the electrical apparatus in building and the building better, reach good lightning-arrest effect.

Preferably, the grounding device comprises a plurality of grounding round steel vertically arranged along the top of the grounding round steel, and the top of the grounding round steel is connected with the down-leading device.

Through adopting above-mentioned technical scheme, through the setting of many ground connection round steel, can will draw down the leading-in ground of the electric current homodisperse that the device guide comes, and then reach good lightning-arrest effect, can effectively protect the electrical apparatus in the building.

Preferably, many the ground connection round steel bottom all is provided with many reposition of redundant personnel poles along its circumference slope.

Through adopting above-mentioned technical scheme, through the setting of reposition of redundant personnel pole, can go into the ground with the electric current homodisperse guide in the ground connection round steel, further improve the electric conductive property of ground connection round steel.

Preferably, the tops of the plurality of grounding round steel are connected with a combined grounding net together, and the combined grounding net is connected with the down-leading device.

Through adopting above-mentioned technical scheme, through the setting of jointly ground net, can carry out evenly distributed back again after drawing down the electric current access in the device, through the leading-in earth of ground connection round steel, effectively reached good lightning-arrest effect.

In summary, the present application includes at least one of the following beneficial technical effects:

1. collect the thunder and lightning of splitting to the building through connecing the sudden strain of a muscle device to through drawing down the device and shunting the guide and go into earthing device, finally lead to the underground with the thunder and lightning through earthing device, reach good lightning-arrest effect. Meanwhile, the current in the lightning arrester can be shunted through the arrangement of the guide rods, and then the current is led into the ground after being dispersed through the down-leading device and the grounding device, so that the electric appliances in the building can be effectively protected;

2. the cage-shaped space is formed by arranging the main body steel bars and the guide rods, the lightning current can be guided to the ground according to the Faraday cage principle, but the potential difference inside the cage-shaped space is zero, the electric charges are only distributed on the outer surface close to the discharge part, and then the electric charges are dispersed to the ground through the grounding device, so that a good lightning protection effect is achieved, and the electric appliances in the building can be effectively protected;

3. through the setting of insulating protective layer, can keep apart the insulation to the electric charge that draws down the device surface, can protect the electrical apparatus in building and the building better, reach good lightning-arrest effect.

Drawings

FIG. 1 is a schematic view of the overall structure of a lightning protection grounding structure and a building according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of an overall lightning protection grounding structure in an embodiment of the present application.

Description of reference numerals: 1. a lightning receptor; 11. a lightning receptor; 12. a guide rod; 13. a lightning protection belt; 2. a down-leading device; 21. main body steel bars; 22. a down conductor bar; 3. a grounding device; 31. grounding round steel; 32. a united earth mat; 33. a diverter rod; 4. and (5) building.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a 4 lightning protection grounding structures of high-rise building. Referring to fig. 1 and 2, a lightning protection grounding structure of a high-rise building 4 comprises a lightning receptor 1 positioned at the top of the building 4, a down-leading device 2 positioned inside a base body of the building 4 for guiding current and a grounding device 3 positioned at the bottom of the building 4 which are sequentially connected from top to bottom. Collect the thunder and lightning that will split to building 4 through lightning arrester 1 to lead to earthing device 3 through drawing down device 2 and shunting, finally lead to the underground with the thunder and lightning through earthing device 3, reach good lightning-arrest effect.

Referring to fig. 1 and 2, the lightning receptor 1 comprises a lightning receptor 11 and a plurality of guiding rods 12 located at the bottom of the lightning receptor 11, the bottom of each guiding rod 12 is connected with the lightning receptor 2, and the guiding rods 12 are uniformly arranged along the circumferential direction of the bottom of the lightning receptor 11. The current in the lightning arrester 11 can be shunted through the arrangement of the guide rods 12, and the ground is introduced after the leading-down device 2 and the grounding device 3 are dispersed, so that the electric appliance in the building 4 can be effectively protected. In addition, the top of the building 4 is provided with a lightning protection belt 13 along the circumferential direction, and the bottom of the lightning protection belt 13 is connected with the down-leading device 2. Lightning arrester belt 13 can assist lightning receptor 11 to split to building 4 thunder and lightning to meet and draw, further promotes lightning-arrest effect of lightning arrester 1.

Referring to fig. 1 and 2, the down conductor 2 includes a main body reinforcement 21 inside a base of the building 4 and a plurality of down conductor bars 22 arranged in a vertical direction. A plurality of downlead poles 22 all are connected with main body reinforcing bar 21, and the top of main body reinforcing bar 21 and a plurality of downlead poles 22 all is connected with lightning strip 13 and a plurality of guide bar 12. The main body reinforcing bars 21 and the bottoms of the plurality of down conductor bars 22 are connected to the grounding device 3. Through the setting of main part reinforcing bar 21 and many guide bars 12, form cage form space, according to the principle of Faraday cage, can be with the electric current of thunder and lightning to ground, but its inside potential difference is zero, and electric charge only distributes on the surface of being close to the department of discharging, lets back rethread earthing device 3 with electric charge dispersion to ground, reaches good lightning-arrest effect, can effectively protect the electrical apparatus in building 4. Meanwhile, an insulating protective layer made of marble material is arranged between the outside of the main steel bars 21 and the plurality of down-lead rods 22 and the base body of the building 4. Through insulating protective layer's setting, can keep apart insulating to the electric charge that draws down device 2 surfaces, can protect building 4 and the electrical apparatus in the building 4 better, reach good lightning-arrest effect.

Referring to fig. 1 and 2, the grounding device 3 includes a plurality of grounding round bars 31 vertically arranged, and the tops of the plurality of grounding round bars 31 are connected with the down-leading device 2. The bottoms of the grounding round steels 31 are all provided with a plurality of shunt rods 33 along the circumferential direction in an inclined manner. The tops of the plurality of grounding round steel 31 are connected with a combined grounding net 32 together, and the combined grounding net 32 is connected with the down-leading device 2. Through the setting of jointly ground net 32, ground connection round steel 31 and reposition of redundant personnel pole 33, can be with leading down the leading-in ground of the electric current homodisperse that device 2 guided comes, and then reach good lightning-arrest effect, can effectively protect the electrical apparatus in the building 4.

The implementation principle of the lightning protection grounding structure of the high-rise building 4 in the embodiment of the application is as follows: collect the thunder and lightning that will split to building 4 through lightning arrester 1 to lead to earthing device 3 through drawing down device 2 and shunting, finally lead to the underground with the thunder and lightning through earthing device 3, reach good lightning-arrest effect. The setting through many guide bars 12 simultaneously can shunt the electric current in the arrester 11, and the rethread draws down device 2 and earthing device 3 and introduces the ground after dispersing, can effectively protect the electrical apparatus in the building 4.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a high-rise building lightning grounding structure which characterized in that: including from last to the lightning arrester (1) that is located building (4) top that connects gradually down, be located building (4) base member inside be used for guiding the electric current draw down device (2) and be located earthing device (3) of building (4) bottom, lightning arrester (1) is including lightning arrester (11) and a plurality of many guide rods (12) that are located lightning arrester (11) bottom, many guide rod (12) bottom all is connected with drawing down device (2).

2. The lightning protection grounding structure for high-rise buildings according to claim 1, characterized in that: many guide rod (12) evenly set up along arrester (11) bottom circumference.

3. The lightning protection grounding structure for high-rise buildings according to claim 1, characterized in that: the top of the building (4) is provided with a lightning strip (13) along the circumferential direction of the building, and the bottom of the lightning strip (13) is connected with the down-leading device (2).

4. The lightning protection grounding structure for high-rise buildings according to claim 3, characterized in that: the down-lead device (2) comprises main body steel bars (21) and a plurality of down-lead rods (22) which are arranged in the vertical direction in the base body of the building (4), and the main body steel bars (21) and the down-lead rods (22) are connected with lightning protection belts (13) and the lightning receiving device (1).

5. The lightning protection grounding structure for high-rise buildings according to claim 4, characterized in that: and an insulating protective layer made of marble materials is arranged between the outside of the main body steel bar (21) and the plurality of down lead rods (22) and the base body of the building (4).

6. The lightning protection grounding structure for high-rise buildings according to claim 1, characterized in that: earthing device (3) include many along the earthing round steel (31) of vertical setting, many earthing round steel (31) top all is connected with leading down device (2).

7. The lightning protection grounding structure for high-rise buildings according to claim 6, characterized in that: many all be provided with many reposition of redundant personnel poles (33) along its circumference slope ground connection round steel (31) bottom.

8. The lightning protection grounding structure for high-rise buildings according to claim 6, characterized in that: the tops of the grounding round steels (31) are connected with a combined grounding net (32) together, and the combined grounding net (32) is connected with the down-leading device (2).