CN201877675U - Double shielding lightning rod and grounding device - Google Patents
Double shielding lightning rod and grounding device Download PDFInfo
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- CN201877675U CN201877675U CN2010206452809U CN201020645280U CN201877675U CN 201877675 U CN201877675 U CN 201877675U CN 2010206452809 U CN2010206452809 U CN 2010206452809U CN 201020645280 U CN201020645280 U CN 201020645280U CN 201877675 U CN201877675 U CN 201877675U
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Abstract
The utility model relates to a lightning protection grounding device, in particular to a double shielding lightning rod and grounding device. Particularly, the utility model is the lightning protection grounding device which is applicable to communication, electric power or transportation and other fields, which belongs to the technical field of lightning protection grounding. The double shielding lightning rod and grounding device comprises a lightning rod pipe body, wherein one end part of the lightning rod pipe body is provided with a fixedly connected insulation post, the insulation post is provided with a calabash ball, a conductive ball tip is arranged on the calabash ball, a lightning protection shielding cable is arranged on the conductive ball tip, one end of the lightning protection shielding cable is electrically connected with the conductive ball tip and the other end of the lightning protection shielding cable penetrates into the lightning rod pipe body after penetrating through the calabash ball and the insulation post, the lightning protection shielding cable is arranged along the length direction of the lightning rod pipe body and the lightning protection shielding cable is correspondingly connected with a grounding electrode which is arranged at the other end of the conductive ball tip. The double shielding lightning rod and grounding device has a compact structure and a better lightning protection effect, can effectively attenuate lightning electromagnetic pulse, is convenient to install and use, and is safe and reliable.
Description
Technical field
The utility model relates to a kind of lightning protection device, especially a kind of dual shield lightning rod and earthing device, and specifically a kind of lightning protection device that is applicable in the fields such as communication, electric power or traffic belongs to the technical field of lightning protection.
Background technology
The existing needle-like lightning rod that generally adopts is by lightning-arrest needle point, bar and the metal building material ground connection of buildings or structures own, or connects buildings or structures main reinforcement earth mat ground connection through the lightning rod shank.And all use conventional earthing device, material is hot galvanizing rod iron, angle steel, copper rod or stainless steel rod iron etc.; The shortcoming of above-mentioned earthing device is can not increase with the contact area of soil and do not have the effect of moment to earth capacitance, transient absorption thunderbolt pulse current and energy storage.Lightning-arrest shank, the metal building material of buildings or structures own just equally produce Lightning Electromagnetic Pulse with antenna under the ground connection pulse high current of moment generation that is struck by lightning, high voltage, the inside and outside electronic equipment of harm buildings or structures.Be struck by lightning simultaneously ground connection pulse high current that moment takes place by buildings or structures metal building material own or by lightning rod shank downlead during main reinforcement shared grounding net ground connection on (impedance ground can not be zero) earth point thunderbolt moment current potential sharply raise (several thousand arrive volts up to ten thousand), make the power consumption equipment that is connected on this shared grounding point owing to the transient voltage height and punch through damage.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of dual shield lightning rod and earthing device are provided, and it is simple and compact for structure, and lightning protection effect is good, can the effective attenuation Lightning Electromagnetic Pulse, and easy to install, safe and reliable.
The technical scheme that provides according to the utility model, described dual shield lightning rod and earthing device comprise the lightning rod body, and an end end of described lightning rod body is provided with fixedly connected insulated column, described insulated column is provided with the cucurbit ball, and described cucurbit ball is provided with the conducting sphere point; Described conducting sphere point is provided with the lightning protection shielded type cable; One end of described lightning protection shielded type cable is electrically connected with the conducting sphere point, and the other end penetrates in the lightning rod body after passing cucurbit ball and insulated column; The lightning protection shielded type cable is along the distribution of lengths of lightning rod body, and the lightning protection shielded type cable links to each other corresponding to the other end grounding electrode that links to each other with the conducting sphere point.
The lightning rod body is provided with joint-box corresponding to the other end that insulated column is set, and is provided with lightning protection shielded type cable contact in the described joint-box; The lightning protection shielded type cable links to each other with grounding electrode by joint-box.Described lightning protection shielded type cable links to each other with grounding electrode by tube connector.
Described lightning protection shielded type cable comprises inner wire, and described inner wire comprises the copper core of multiply insulation; The outer peripheral face of inner wire is enclosed with first semi-conductive layer; be enclosed with high insulation on the outer peripheral face of described first semi-conductive layer; be enclosed with the copper mesh screen on the outer peripheral face of described high insulation; the outer peripheral face of described copper mesh screen is enclosed with protective layer, is enclosed with second semi-conductive layer on the outer peripheral face of described protective layer.Described protective layer adopts pvc material to make.
Described grounding electrode comprises the ball conductor, and described ball conductor is provided with the ion barred body and the screen that catchments, and the described screen that catchments is connected on the ball conductor; In the ball conductor solion is housed, be provided with the ball float that is used to measure the solion liquid level in the described ball conductor, described ball float is provided with the level gauging bar, described level gauging bar reaches down by end cap, drain cap, and guide card is installed in the ion barred body, guide card is fastening under described is installed on the ion barred body, the end that end cap and drain cap are fastening and the ion barred body is interior.
Uniform respectively several spout holes and the gully-hole of being provided with on the outer peripheral face of described ball conductor, described spout hole and gully-hole are connected with the ball conductor.Described ion barred body is provided with draws pile crown.
Described lightning protection shielded type cable is mounted in the lightning rod body by locating piece, and the lightning protection shielded type cable is positioned at the center of lightning rod body.Described tube connector is a galvanized iron conduit.
Advantage of the present utility model: the lightning rod body is provided with insulated column, described insulated column is provided with the cucurbit ball, and the cucurbit ball is provided with the conducting sphere point, and the conducting sphere point links to each other with the lightning protection shielded type cable, the lightning protection shielded type cable is positioned at the lightning rod body, and along the distribution of lengths of lightning rod body; The lightning protection shielded type cable links to each other with grounding electrode by tube connector; By cooperatively interacting of lightning-arrest needle tubing and lightning protection shielded type cable, can the dual shield effect be arranged to Lightning Electromagnetic Pulse, the Lightning Electromagnetic Pulse of greatly decaying has been protected the electronic equipment in the building; Grounding electrode has increased the contact area with soil, has reduced the earth resistance of lightning rod, has big over the ground electric capacity of moment simultaneously, can fast Absorption thunderbolt pulse current and energy storage; Simple and compact for structure, lightning protection effect is good, can the effective attenuation Lightning Electromagnetic Pulse, and easy to install, safe and reliable.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model lightning protection shielded type cable.
Fig. 3 is the structural representation of the utility model grounding electrode.
Embodiment
The utility model is described in further detail below in conjunction with concrete drawings and Examples.
As Fig. 1 ~ shown in Figure 3: the utility model comprises conducting sphere point 1; cucurbit ball 2; lightning protection shielded type cable 3; insulated column 4; lightning rod body 5; screen contact 6; joint-box 7; cable core contact 8; lightning rod base 9; grounding electrode 10; cable shield and heart yearn earth point 11; locating piece 12; external shield cable 13; tube connector 14; inner wire 15; first semi-conductive layer 16; high insulation 17; copper mesh screen 18; protective layer 19; second semi-conductive layer 20; spout hole 21; gully-hole 22; following guide card 23; ion barred body 24; hollow fastening bolt 25; packing ring 26; wing nut 27; level gauging bar 28; end cap 29; sealing ring 30; drain cap 31; draw pile crown 32; fastening bolt 33; adpting flange 34; screen 35 catchments; ball float 36 and ball conductor 37.
As shown in Figure 1: an end of described lightning rod body 5 is provided with insulated column 4, and described insulated column 4 is provided with cucurbit ball 2, and described cucurbit ball 2 is provided with conducting sphere point 1.Lightning rod body 5 adopts iron pipe to make, and lightning rod body 5, insulated column 4 and cucurbit ball 2 are hollow-core construction.Conducting sphere point 1 is provided with lightning protection shielded type cable 3, and an end and the conducting sphere point 1 of described lightning protection shielded type cable 3 are electrically connected, and the other end of lightning protection shielded type cable 3 penetrates in the lightning rod body 5 after passing cucurbit ball 2 and insulated column 4; Lightning protection shielded type cable 3 is along the distribution of lengths of lightning rod body 5.In order to reach shield effectiveness preferably, lightning protection shielded type cable 3 is fixed in the lightning rod body 5 by locating piece 12, and lightning protection shielded type cable 3 is along the center line distribution setting of lightning rod body 5.Lightning rod body 5 is provided with fixedly connected lightning rod base 9 corresponding to the other end that cucurbit ball 2 is set, and lightning rod body 5 is fixedly installed on the building of required connection by lightning rod base 9.For the ease of the connection of lightning protection shielded type cable 3, be provided with joint-box 7 at lightning rod body 5 corresponding to an end that links to each other with lightning rod base 9, be provided with screen contact 6 and cable core contact 8 in the described joint-box 7; Screen in the lightning protection shielded type cable 3 links to each other with screen contact 6, and the inner wire 15 in the lightning protection shielded type cable 3 links to each other with cable core contact 8.Simultaneously, for external shield cable 13 links to each other with lightning protection shielded type cable 3 by screen contact 6 and cable core contact 8, thereby with conducting sphere point 1 to picking out.The pass through tube connector 14 and cable shield and heart yearn earth point 11 of external shield cable 13 link to each other with grounding electrode 10, and described tube connector 14 adopts galvanized iron conduit to make.Described grounding electrode 10 is embedded in the soil, the conduct electrical energy that produces on the conducting sphere point 1 can be arrived on the ground big.By lightning rod body 5 and be positioned at the cooperatively interacting of lightning protection shielded type cable 3 of described lightning rod body 5, the Lightning Electromagnetic Pulse of can decaying for twice can be protected the inside and outside electronic equipment of building.Lightning protection shielded type cable 3 is a homogenous configuration with external shield cable 13.
As shown in Figure 2: be the structural representation of the utility model lightning protection shielded type cable 3 and external shield cable 13.Shielded type cable comprises inner wire 15, described inner wire 15 comprises the copper core of multiply insulation, and the cross section of inner wire 15 is big, and multiply insulated copper heart yearn has increased the conductance of thunder and lightning high-frequency impulse, reduce to introduce the line impedance of earth connection, can reduce the earthed voltage under the big electric current of lightening pulse the biglyyest.The outer peripheral face of inner wire 15 is enclosed with first semi-conductive layer 16, be enclosed with high insulation 17 on the outer peripheral face of described first semi-conductive layer 16, be enclosed with copper mesh screen 18 on the outer peripheral face of described high insulation 17, the outer peripheral face of described copper mesh screen 18 is enclosed with protective layer 19, is enclosed with second semi-conductive layer 20 on the outer peripheral face of described protective layer 19; Protective layer 19 adopts pvc material to make.First semi-conductive layer 16 contains silane cross-linked polyolefin YPG-10; The joint portion current potential that first semi-conductive layer 16 and high insulation are 17 is approximately zero; The ground connection pulse high current that the inner wire 15 of decaying greatly produces, the electromagnetic interference that high pressure is outwards launched down.Lightning protection shielded type cable 3 links to each other with conducting sphere point 1 by inner wire 15, and the other end of inner wire 15 links to each other with cable core contact 8 simultaneously; Lightning protection shielded type cable 3 links to each other with external shield cable 13 corresponding positions, thereby conducting sphere point 1 is linked to each other with grounding electrode 10, and the high pressure that thunder and lightning is produced is transmitted in the earth.
As shown in Figure 3: described grounding electrode 10 comprises ball conductor 37, and described ball conductor 37 is provided with ion barred body 24 and the screen 35 that catchments, and the described screen 35 that catchments is connected on the ball conductor 37; In the ball conductor 17 solion is housed, be provided with the ball float 36 that is used to measure the solion liquid level in the described ball conductor 17, described ball float 36 is provided with level gauging bar 28, described level gauging bar 28 reaches down by end cap 29, drain cap 31, and guide card 23 is installed in the ion barred body 24, described down guide card 23 fastening being installed on the ion barred body 24, end cap 29 and drain cap 31 fastening with ion barred body 24 in an end.Following guide card 23 is fastened on the ion barred body 24 by M8 fastening bolt 33, adpting flange 34, and end cap 29 and drain cap 31 are fastened on the ion barred body 24 by hollow fastening bolt 25, packing ring 26, O RunddichtringO 30 and wing nut 27.End cap 29 adopts nylon 606 materials to make, and drain cap 31 adopts the T3 copper product to make.Uniform respectively several spout holes 21 and the gully-hole 22 of being provided with on the circumference of ball conductor 37.On ion barred body 24, be provided with and draw pile crown 32, draw pile crown 32 and be 95 square millimeters cable.
Solion in the ball conductor 17 is environment-friendly type free of contamination center liquid electrolyte and macromolecular material; Ball float 36, ion barred body 24 and hollow fastening bolt 25 are formed the passage that adds solion in ball conductor 37.The hydrone that screen 35 and gully-hole 22 form the collection surrounding soils that catchments enters ball conductor 37; The hollow fastening bolt 25 of described level gauging bar 28 cooperations can be measured the solion liquid level in the ball conductor 37, replenishes solion so that observe liquid level.Ball conductor 37 cooperates the sweat soldering technology to draw pile crown 32, and conductivity is strong, makes earth resistance reach minimum, and earth resistance is stable, reliable, and thermally-stabilised strong, anti-stream is big, and the stream that looses is fast.
The operation principle of described grounding electrode 10 is: a plurality of breathing spout holes 21 are arranged in the major diameter stainless steel ball conductor 37, can constantly initiatively breathe the hydrone that exists in the surrounding soil environment and also combine with it; Under deliquescent effect, liquid produces electrolysis.By the fluid hole in the ball conductor 37, slowly release active electrolytic ion, under the dual release of the supporting with it anticorrosion filler of situation of selling well, absorption, evenly flow in the soil, and, increased the electrolytic ion content of earth electrode surrounding soil to constantly lasting diffusion all around, reduced soil resistivity, increase the contact area of earth electrode and soil, reduced the contact resistance of earth electrode and soil.Major diameter stainless steel ball conductor 37 has increased moment to earth capacitance, be simultaneously electric capacity energy transient absorption thunderbolt pulse current over the ground, energy storage, thereby nearly ten times reduction thunderbolt peak current make the lightning surge electromagnetic pulse reduce to minimum to electronics and communication apparatus harm.
As Fig. 1 ~ shown in Figure 3: during use, lightning rod body 5 is mounted on the corresponding buildings or structures by lightning rod base 9.By locating piece 12 lightning protection shielded type cable 3 is installed in lightning rod body 5, an end of lightning protection shielded type cable 3 links to each other with conducting sphere point 1, and the other end links to each other with corresponding contact in the joint-box 7.Lightning protection shielded type cable 3 links to each other with grounding electrode 10 by external shield cable 13 and tube connector 14, and grounding electrode 10 is embedded in the soil.During work, as thunderstorm hour, the action of high voltage that thunder and lightning produces is on conducting sphere point 1, because conducting sphere point 1 is electrically connected with lightning protection shielded type cable 3, and conducting sphere point 1 links to each other with lightning rod body 5 by insulated column 4, so the voltage on the conducting sphere point 1 and electromagnetic pulse can only discharge to the earth by the lightning protection shielded type cable 3 that is positioned at lightning rod body 5.The electromagnetic pulse of inner wire 15 can effective attenuation be flow through in the interaction that first semi-conductive layer 16 of lightning protection shielded type cable 3, high insulation 17, copper mesh screen 18, protective layer 19 and second semi-conductive layer are 20, avoids outwards producing electromagnetic interference; The electromagnetic interference that the shielded type cable of lightning protection simultaneously 3 produces can be carried out the attenuation of the second kind by lightning rod body 5, makes the electromagnetic interference that pass outside the lightning rod body 5 can reduce to minimum, guarantees the safe in utilization of the inside and outside electronic equipment of buildings or structures.Lightning protection shielded type cable 3 links to each other with grounding electrode 10 by external shield cable 13, and ball conductor 37 is an earth electrode with the stainless steel ball, increases the contact area with soil, has reduced the earth resistance of lightning rod.Has moment to earth capacitance, the function of fast Absorption thunderbolt pulse current and energy storage.Grounding electrode 10 makes thunderbolt moment back-pressure can not influence the current potential of metal building material of buildings or structures own and power consumption equipment earth point as lightning rod independent grounding point ground connection, has protected power consumption equipment.Simple and compact for structure, lightning protection effect is good, can the effective attenuation Lightning Electromagnetic Pulse, and easy to install, safe and reliable.
The utility model basic mechanical design feature and service condition: (lightning protection shielded type cable 3)
1, operating voltage 20KV;
2,1 minute withstand voltage 30KV of power frequency;
3, lightning impulse voltage withstand voltage peak value 75KV(8/20 μ s);
4, shielding attenuation 85 db.
Claims (10)
1. dual shield lightning rod and earthing device, it is characterized in that: comprise lightning rod body (5), one end end of described lightning rod body (5) is provided with fixedly connected insulated column (4), described insulated column (4) is provided with cucurbit ball (2), and described cucurbit ball (2) is provided with conducting sphere point (1); Described conducting sphere point (1) is provided with lightning protection shielded type cable (3); One end of described lightning protection shielded type cable (3) is electrically connected with conducting sphere point (1), and the other end penetrates in the lightning rod body (5) after passing cucurbit ball (2) and insulated column (4); Lightning protection shielded type cable (3) is along the distribution of lengths of lightning rod body (5), and lightning protection shielded type cable (3) links to each other corresponding to the other end grounding electrode (10) that links to each other with conducting sphere point (1).
2. dual shield lightning rod according to claim 1 and earthing device, it is characterized in that: lightning rod body (5) is provided with joint-box (7) corresponding to the other end that insulated column (4) is set, and is provided with lightning protection shielded type cable (3) contact in the described joint-box (7); Lightning protection shielded type cable (3) links to each other with grounding electrode (10) by joint-box (7).
3. dual shield lightning rod according to claim 1 and 2 and earthing device is characterized in that: described lightning protection shielded type cable (3) links to each other with grounding electrode (10) by tube connector (14).
4. dual shield lightning rod according to claim 1 and earthing device is characterized in that: described lightning protection shielded type cable (3) comprises inner wire (15), and described inner wire (15) comprises the copper core of multiply insulation; The outer peripheral face of inner wire (15) is enclosed with first semi-conductive layer (16); be enclosed with high insulation (17) on the outer peripheral face of described first semi-conductive layer (16); be enclosed with copper mesh screen (18) on the outer peripheral face of described high insulation (17); the outer peripheral face of described copper mesh screen (18) is enclosed with protective layer (19), is enclosed with second semi-conductive layer (20) on the outer peripheral face of described protective layer (19).
5. dual shield lightning rod according to claim 4 and earthing device is characterized in that: described protective layer (19) adopts pvc material to make.
6. dual shield lightning rod according to claim 1 and earthing device, it is characterized in that: described grounding electrode (10) comprises ball conductor (37), described ball conductor (37) is provided with ion barred body (24) and the screen (35) that catchments, and the described screen (35) that catchments is connected on the ball conductor (37); The ball conductor is equipped with solion in (17), be provided with the ball float (36) that is used to measure the solion liquid level in the described ball conductor (17), described ball float (36) is provided with level gauging bar (28), described level gauging bar (28) reaches down by end cap (29), drain cap (31), and guide card (23) is installed in the ion barred body (24), guide card (23) is fastening under described is installed on the ion barred body (24), the end that end cap (29) and drain cap (31) are fastening and ion barred body (24) is interior.
7. dual shield lightning rod according to claim 6 and earthing device, it is characterized in that: uniform respectively several spout holes (21) and the gully-hole (22) of being provided with on the outer peripheral face of described ball conductor (37), described spout hole (21) and gully-hole (22) are connected with ball conductor (37).
8. dual shield lightning rod according to claim 6 and earthing device is characterized in that: described ion barred body (24) is provided with draws pile crown (12).
9. dual shield lightning rod according to claim 1 and earthing device, it is characterized in that: described lightning protection shielded type cable (3) is mounted in the lightning rod body (5) by locating piece (12), and lightning protection shielded type cable (3) is positioned at the center of lightning rod body (5).
10. dual shield lightning rod according to claim 3 and earthing device is characterized in that: described tube connector (14) is a galvanized iron conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206452809U CN201877675U (en) | 2010-12-07 | 2010-12-07 | Double shielding lightning rod and grounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206452809U CN201877675U (en) | 2010-12-07 | 2010-12-07 | Double shielding lightning rod and grounding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201877675U true CN201877675U (en) | 2011-06-22 |
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ID=44165584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206452809U Expired - Lifetime CN201877675U (en) | 2010-12-07 | 2010-12-07 | Double shielding lightning rod and grounding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201877675U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102035140A (en) * | 2010-12-07 | 2011-04-27 | 无锡市格林电工装备有限公司 | Double-shielding lightning rod and earthing device |
| CN106437268A (en) * | 2016-10-21 | 2017-02-22 | 成都朵猫文化传播有限公司 | Communication tower |
| CN106639480A (en) * | 2016-10-20 | 2017-05-10 | 成都迅德科技有限公司 | Power pole |
| CN109103754A (en) * | 2018-08-30 | 2018-12-28 | 南京信息工程大学 | One kind connecing sudden strain of a muscle bar |
-
2010
- 2010-12-07 CN CN2010206452809U patent/CN201877675U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102035140A (en) * | 2010-12-07 | 2011-04-27 | 无锡市格林电工装备有限公司 | Double-shielding lightning rod and earthing device |
| CN102035140B (en) * | 2010-12-07 | 2012-07-18 | 无锡市格林电工装备有限公司 | Earthing device of double-shielding lightning rod |
| CN106639480A (en) * | 2016-10-20 | 2017-05-10 | 成都迅德科技有限公司 | Power pole |
| CN106437268A (en) * | 2016-10-21 | 2017-02-22 | 成都朵猫文化传播有限公司 | Communication tower |
| CN109103754A (en) * | 2018-08-30 | 2018-12-28 | 南京信息工程大学 | One kind connecing sudden strain of a muscle bar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110622 Effective date of abandoning: 20120718 |