CN103779673A - Ground wire device and laying method - Google Patents
Ground wire device and laying method Download PDFInfo
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- CN103779673A CN103779673A CN201310420742.5A CN201310420742A CN103779673A CN 103779673 A CN103779673 A CN 103779673A CN 201310420742 A CN201310420742 A CN 201310420742A CN 103779673 A CN103779673 A CN 103779673A
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Abstract
The invention discloses a ground wire device and a laying method. The ground wire device is composed of a wire, a sleeve, sealing rings, a moisture-proof packing material and a grounding terminal, wherein the number of the sealing rings is at least three, the middle of the sealing ring is provided with a threading hole, the sealing rings are uniformly distributed in the sleeve from one end of the sleeve, two sealing rings in the sleeve are provided with the moisture-proof material therebetween, the wire penetrates through the threading hole and is fixed in the sleeve, the lower end of the wire is welded with the grounding terminal, the grounding terminal is in the shape of a cone, the vertex of the cone faces downward, and the area of the cone base is at least three times of the cross sectional area of the wire. The laying method comprises the steps of measuring a wiring environment, carrying out preservative treatment, constructing a ground wire pit, assembling the ground wire device, installing the ground wire device, detecting wire connection, and the like. Compared with a traditional ground wire device, the ground wire device disclosed by the invention has the characteristics that that the structure is simple, the layer is standard, the conductive performance between the grounding device and the ground is good, and the corrosion resistance is strong, thereby greatly improving the grounding reliability of electrical equipment, and laying a good foundation for safe electricity utilization.
Description
Technical field
The present invention relates to a kind of ground wire device and laying method, belong to electric power protection technical field.
Background technology
Earthing device, value earth connection, with earth electrode form comprehensive, also be each earth electrode and elder sister and younger brother's wire, the general name of ground lead, in order to realize the electrical system formation equipotential that is connected with the earth, thereby reach electrical system, the object of operating personnel and inflammable and explosive place electic protection, and the numerous electrifications of using that occur in reality, trace it to its cause, great majority are because the earthing device imperfect earth that defectiveness or earthing device are long-time while laying is caused by reasons such as environmental corrosions after using causes, the lighter causes because of electric equipment tripping operation or damages the accident that causes power failure, when serious, even can initiation personnel get an electric shock, the major accidents such as initiation fire, therefore need a kind of reliability high, corrosion-resistant and electric conductivity is good earthing device and corresponding laying method, to meet the needs of safety utilization of electric power.
Summary of the invention
The object of the invention is just to overcome above-mentioned deficiency, and a kind of ground wire device and laying method are provided.
For achieving the above object, the present invention is achieved through the following technical solutions:
A kind of ground wire device, described ground wire device is made up of wire, sleeve pipe, sealing ring, moistureproof filler and earth terminal, described at least three its middle cable-through holes of establishing of sealing ring, and from sleeve pipe one end uniform inside pipe casing, between inside pipe casing two sealing rings, moistureproof filler is set, described wire is fixed in sleeve pipe by cable-through hole and lower end and earth terminal welding, and described earth terminal is that taper and the vertex of a cone are downward, and cone floor space is at least 3 times of conductive wire cross-section areas.
Sleeve pipe material is galvanized steel, PVC section bar or PE section bar.
The laying method of the ground wire device described in a kind of laying method of ground wire device comprises the following steps:
The first step: measure wiring environment, observation place line apparatus is laid the distance of point apart from facilities such as building, highway, power equipments, and measure laying the acid of some soil, alkali, salt and metalliferous mineral composition and content;
Second step: preservative treatment, the materials such as wire, sleeve pipe, sealing ring and earth terminal outer surface anticorrosion with painting coating, coatings are carried out to preservative treatment;
The 3rd step: build ground wire hole, base area line apparatus quantity and a laying point environment carry out ground wire hole and build, two adjacent vertical laying ground wire hole spacing are not less than 2 times of ground wire device length, level is laid ground wire hole spacing and is not less than 5 meters, another ground wire device and building distance are not less than 3 meters, are not less than 5 meters, with independent lightning rod earth electrode distance simultaneously in the time that ground wire device is laid along building walls level, be 250-300 millimeters with ground interplanar distance, be 10-20 millimeters with building walls gap;
The 4th step: assembling ground wire device, will assemble through antiseptic wire, sleeve pipe, sealing ring and earth terminal, between sealing ring, fill moistureproof filling compaction, and by wire lower end and earth terminal welding;
The 5th step: termination is installed, first be not less than the sodium chloride layers of 3 millimeters at bottom, ground wire hole laying depth, then ground wire device is placed in ground wire hole, and be coated by sodium chloride layers, coated be not less than 1 millimeter with sodium chloride layers thickness, then landfill compacting are carried out in ground wire hole, finally by wire upper end and equipment connection;
The 6th step: wiring detects, and with ohmmeter, ground wire device conductor resistance is measured, if resistance value and wire normal value deviation are no more than 10 ohm, ground wire device is laid successfully, otherwise need again lay.
The earthing device that the present invention is more traditional has simple in structure, laying standard standard, and between earthing device and the earth, electric conductivity is good and that corrosion resistance is strong is specific, thereby has promoted greatly electrical equipment grounding reliability, for good basis is established in safety utilization of electric power.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is operational flowchart of the present invention.
Embodiment
As shown in Figure 1, a kind of ground wire device, described ground wire device is made up of wire 1, sleeve pipe 2, sealing ring 3, moistureproof filler 4 and earth terminal 5, described 3 at least three its middle cable-through holes 6 of establishing of sealing ring, and from sleeve pipe 2 one end uniform sleeve pipe 2 inside, between inner two sealing rings 3 of sleeve pipe 2, moistureproof filler 4 is set, described wire 1 is fixed in sleeve pipe 2 by cable-through hole 6 and lower end and earth terminal 5 weld, described earth terminal 5 is that taper and the vertex of a cone are downward, and cone floor space is at least 3 times of wire 1 cross-sectional areas.
In conjunction with Fig. 2 and specific embodiment, the laying method of the ground wire device described in a kind of laying method of ground wire device is described,
Embodiment mono-: the pre-vertical two length 2 meter line apparatus of laying, its concrete laying method is as follows:
The first step: measure wiring environment, ground wire device is laid some place has high-rise and high-rise to be equipped with lightning rod system, laying point soil is alkalescent and metalliferous mineral becomes content to ignore;
Second step: preservative treatment, wire, sleeve pipe, sealing ring and earth terminal outer surface spray epoxy anticorrosive paint are carried out to preservative treatment, sleeve pipe is PVC profile material tube;
The 3rd step: build ground wire hole, base area line apparatus quantity and lay a some environment and carry out ground wire hole and build, two ground wires hole spacing are 5 meters, another ground wire hole and 4 meters of building distances, with independent lightning rod earth electrode distance be 6 meters;
The 4th step: assembling ground wire device, will assemble through antiseptic wire, sleeve pipe, sealing ring and earth terminal, between sealing ring, fill moistureproof filling compaction, and by wire lower end and earth terminal welding;
The 5th step: termination is installed, first cheat the sodium chloride layers of 3 millimeters of bottom laying depths at ground wire, then ground wire device is placed in ground wire hole, and be coated by sodium chloride layers, coated with 2 millimeters of sodium chloride layers thickness, then landfill compacting are carried out in ground wire hole, finally by wire upper end and equipment connection;
The 6th step: wiring detects, and with ohmmeter, ground wire device conductor resistance is measured, and large 5 ohm than normal wires resistance value of resistance values, belong to normal range (NR), this ground wire device installation.
Embodiment bis-: the pre-vertical two length 2 meter line apparatus of laying, its concrete laying method is as follows:
The first step: measure wiring environment, it is open that ground wire device is laid some place physical features, without high-rise and high-rise and other electric equipment, lays some soil and is faintly acid, and water content is higher, and metalliferous mineral becomes content to ignore, but nearer apart from road;
Second step: preservative treatment, wire, sleeve pipe, sealing ring and earth terminal outer surface spray epoxy anticorrosive paint are carried out to preservative treatment, its middle sleeve is coating steel pipe;
The 3rd step: build ground wire hole, base area line apparatus quantity and a laying point environment carry out ground wire hole and build, and two ground wire hole spacing are 5 meters;
The 4th step: assembling ground wire device, will assemble through antiseptic wire, sleeve pipe, sealing ring and earth terminal, between sealing ring, fill moistureproof filling compaction, and by wire lower end and earth terminal welding;
The 5th step: termination is installed, first cheat the sodium chloride layers of 5 millimeters of bottom laying depths at ground wire, then ground wire device is placed in ground wire hole, and be coated by sodium chloride layers, coated with 1 millimeter of sodium chloride layers thickness, then landfill compacting are carried out in ground wire hole, finally by wire upper end and equipment connection;
The 6th step: wiring detects, and with ohmmeter, ground wire device conductor resistance is measured, and resistance value is less 7 ohm than normal wires resistance value, belongs to normal range (NR), this ground wire device installation.
Claims (3)
1. a ground wire device, it is characterized in that: described ground wire device is made up of wire, sleeve pipe, sealing ring, moistureproof filler and earth terminal, described at least three its middle cable-through holes of establishing of sealing ring, and from sleeve pipe one end uniform inside pipe casing, between inside pipe casing two sealing rings, moistureproof filler is set, described wire is fixed in sleeve pipe by cable-through hole and lower end and earth terminal welding, and described earth terminal is that taper and the vertex of a cone are downward, and cone floor space is at least 3 times of conductive wire cross-section areas.
2. a kind of ground wire device of one according to claim 1, is characterized in that: described sleeve pipe material is galvanized steel, PVC section bar or PE section bar.
3. a laying method for ground wire device, is characterized in that: the laying method of described ground wire device comprises the following steps:
The first step: measure wiring environment, observation place line apparatus is laid the distance of point apart from facilities such as building, highway, power equipments, and measure laying the acid of some soil, alkali, salt and metalliferous mineral composition and content;
Second step: preservative treatment, the materials such as wire, sleeve pipe, sealing ring and earth terminal outer surface anticorrosion with painting coating, coatings are carried out to preservative treatment;
The 3rd step: build ground wire hole, base area line apparatus quantity and a laying point environment carry out ground wire hole and build, two adjacent vertical laying ground wire hole spacing are not less than 2 times of ground wire device length, level is laid ground wire hole spacing and is not less than 5 meters, another ground wire device and building distance are not less than 3 meters, are not less than 5 meters, with independent lightning rod earth electrode distance simultaneously in the time that ground wire device is laid along building walls level, be 250-300 millimeters with ground interplanar distance, be 10-20 millimeters with building walls gap;
The 4th step: assembling ground wire device, will assemble through antiseptic wire, sleeve pipe, sealing ring and earth terminal, between sealing ring, fill moistureproof filling compaction, and by wire lower end and earth terminal welding;
The 5th step: termination is installed, first be not less than the sodium chloride layers of 3 millimeters at bottom, ground wire hole laying depth, then ground wire device is placed in ground wire hole, and be coated by sodium chloride layers, coated be not less than 1 millimeter with sodium chloride layers thickness, then landfill compacting are carried out in ground wire hole, finally by wire upper end and equipment connection;
The 6th step: wiring detects, and with ohmmeter, ground wire device conductor resistance is measured, if resistance value and wire normal value deviation are no more than 10 ohm, ground wire device is laid successfully, otherwise need again lay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310420742.5A CN103779673A (en) | 2013-09-16 | 2013-09-16 | Ground wire device and laying method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310420742.5A CN103779673A (en) | 2013-09-16 | 2013-09-16 | Ground wire device and laying method |
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| CN103779673A true CN103779673A (en) | 2014-05-07 |
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| CN201310420742.5A Pending CN103779673A (en) | 2013-09-16 | 2013-09-16 | Ground wire device and laying method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108086364A (en) * | 2017-11-30 | 2018-05-29 | 中国二十冶集团有限公司 | Cylinder is grounded electrode protector and its method for embedding |
| CN108099953A (en) * | 2017-12-20 | 2018-06-01 | 芜湖润蓝生物科技有限公司 | A kind of track traffic earthing or grounding means |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4885428A (en) * | 1988-04-19 | 1989-12-05 | A-1 Construction Company | System for electrical grounding |
| CN1253396A (en) * | 1998-11-09 | 2000-05-17 | 鞍山市电气技术经济开发公司 | Vertical grounding electrode of grounding device for electric distributor |
| US6815607B1 (en) * | 1999-11-01 | 2004-11-09 | Marc Gingras | Grounding method and associated pole support system |
| CN101414712A (en) * | 2008-11-24 | 2009-04-22 | 赵维民 | Enhancement type anti-corrosion composite conductive grounding device |
| CN101752684A (en) * | 2010-01-28 | 2010-06-23 | 高政 | Grounding electrode of anti-corrosion and adjustable grounding resistor |
| CN201667392U (en) * | 2009-12-31 | 2010-12-08 | 武汉岱嘉电气技术有限公司 | Special grounding lead-out device for underground engineering |
| CN201674014U (en) * | 2010-05-12 | 2010-12-15 | 赵月 | Grounding device |
| CN103219597A (en) * | 2013-04-07 | 2013-07-24 | 国家电网公司 | Grounding wire device |
-
2013
- 2013-09-16 CN CN201310420742.5A patent/CN103779673A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4885428A (en) * | 1988-04-19 | 1989-12-05 | A-1 Construction Company | System for electrical grounding |
| CN1253396A (en) * | 1998-11-09 | 2000-05-17 | 鞍山市电气技术经济开发公司 | Vertical grounding electrode of grounding device for electric distributor |
| US6815607B1 (en) * | 1999-11-01 | 2004-11-09 | Marc Gingras | Grounding method and associated pole support system |
| CN101414712A (en) * | 2008-11-24 | 2009-04-22 | 赵维民 | Enhancement type anti-corrosion composite conductive grounding device |
| CN201667392U (en) * | 2009-12-31 | 2010-12-08 | 武汉岱嘉电气技术有限公司 | Special grounding lead-out device for underground engineering |
| CN101752684A (en) * | 2010-01-28 | 2010-06-23 | 高政 | Grounding electrode of anti-corrosion and adjustable grounding resistor |
| CN201674014U (en) * | 2010-05-12 | 2010-12-15 | 赵月 | Grounding device |
| CN103219597A (en) * | 2013-04-07 | 2013-07-24 | 国家电网公司 | Grounding wire device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108086364A (en) * | 2017-11-30 | 2018-05-29 | 中国二十冶集团有限公司 | Cylinder is grounded electrode protector and its method for embedding |
| CN108099953A (en) * | 2017-12-20 | 2018-06-01 | 芜湖润蓝生物科技有限公司 | A kind of track traffic earthing or grounding means |
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Application publication date: 20140507 |