CN201280826Y - Lightning protection cement pole - Google Patents
Lightning protection cement pole Download PDFInfo
- Publication number
- CN201280826Y CN201280826Y CNU2008201496818U CN200820149681U CN201280826Y CN 201280826 Y CN201280826 Y CN 201280826Y CN U2008201496818 U CNU2008201496818 U CN U2008201496818U CN 200820149681 U CN200820149681 U CN 200820149681U CN 201280826 Y CN201280826 Y CN 201280826Y
- Authority
- CN
- China
- Prior art keywords
- lightning
- rod
- lightening
- protection
- electric pole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Elimination Of Static Electricity (AREA)
Abstract
The utility model relates to a lightening-protection concrete pole which comprises a pole body and a conductive cap fixedly arranged on the top end of the pole body; wherein, a lightening-protection needle is arranged on the conductive cap, an earth electrode is pre-embedded in the position close to the bottom end of the pole body inside the pole body, one terminal of the earth electrode is electrically connected with the conductive cap through a metal conducting wire in the pole body, and the other terminal of the earth pole is exposed out of the surface of the pole body. When the structure is in use, the terminal is connected with an earth wire, and the earth resistance of the earth wire can be tested conveniently before the thunder-storm season, the lightening-prevention effect can be prejudged according to the test data, and the operation safety of grid is evaluated. A lightening-protection wire stringing groove is arranged on the lightening-protection rod, the lightening-protection rods on all poles in an area of grid can be connected together through stringing lightening-protection wire, so as to form a lightening-protection area and effectively improve the lightening-protection grade of high-voltage transmission and distribution lines.
Description
Technical field
The utility model relates to a kind of cement electric pole that lightning-arrest function is arranged, and belongs to power transmission and distribution circuit engineering field.
Background technology
Vast rural area and field produces electrical network generally adopt 6-10kV electrical distribution system, the line length of these electrical distribution systems usually at thousands of rice to more than tens kms, add the discrepancy in elevation of physical features and do not have the initiatively influence of lightning protection facility, the probability of induction lightening is higher, all can seriously influence the industrial and agricultural production and the people's household electricity because of thunderbolt causes the line tripping large-area power-cuts every year.Fact proved to only depend on arrester will hit the thunder and lightning introducing the earth of electric line, can't guarantee that electric line can not cause tripping operation because of thunderbolt.Chinese patent 200420105239.7 provides a kind of cement electric pole that has arrester, be used for the lightning protection of communication line and rural area two-phase three wire system and three-phase five-wire mode low-voltage distributing line, this technical scheme is to leave the reinforcing bar of certain-length and the metal flange of the head of the mast in the bottom of electric pole to be connected when making cement electric pole, arrester is installed on metal flange, be connected to earth lead on the arrester, when thunder and lightning hits arrester, on the one hand import the earth from the reinforcing bar in the cement electric pole that is attached thereto, import the earth from the earthing pole of earth lead by far-end that is connected on the arrester on the other hand by metal cap.Though this electric pole has anti-lightning strike effect, but because ground resistance is big after the reinforcement corrosion, the influence of factors such as the moisture few resistance value of the upland soil that is subject to the be struck by lightning depth of burying big, electric pole is limited, the ground connection effect that reinforcing bar play is very limited, and this electric pole does not have the earth resistance point, and lightning protection effect can't be tested and predict; In addition, the reinforcing bar of this electric pole stretches out certain length in its bottom, is not easy to the transportation and on-the-spot installation of electric pole.Above-mentioned electric pole is applicable to that communication line and rural area low pressure with the lightning protection of electric line, can not be applicable to 6-10kV high pressure electric line.
The utility model content
The purpose of this utility model provides a kind of lightning-arrest cement electric pole that can conveniently carry out earth resistance.
For achieving the above object, the utility model adopts following technical scheme: a kind of lightning-arrest cement electric pole, comprise the body of rod and the conductive cap that is fixedly arranged on body of rod top, conductive cap is provided with lightning rod, position near body of rod bottom in the body of rod is embedded with earthing pole, terminals of earthing pole are electrically connected with conductive cap by the plain conductor of being located in the body of rod, and another terminals of earthing pole expose described body of rod surface.
Be arranged with porcelain insulator on the lightning rod, porcelain insulator is provided with power line stringing groove.
Lightning rod is provided with the porcelain vase positioning table at the position near metal cap, and described porcelain insulator is seated on the porcelain vase positioning table.
Be provided with lightning conducter stringing groove at position on the lightning rod near metal cap.
On the lightning rod lightning conducter set up groove above the position be provided with the porcelain vase positioning table, a porcelain insulator that is sleeved on the lightning rod is seated on the porcelain vase positioning table, porcelain insulator is provided with power line stringing groove.
The height and position of described earthing pole in the body of rod is positioned at above the face of land 0.1 meter～0.5 meter zone after the body of rod buries ground.
The utility model is default earthing pole in electric pole, and terminals of earthing pole are caused the electric pole surface, during use, connecting grounding wire on these terminals, can before arriving, test the ground resistance of grounding wire easily thunderstorm season, can carry out anticipation to the electrical network lightning protection effect according to test data, and the safety of operation of power networks is estimated.
Porcelain insulator is installed on lightning rod; can be used for setting up the power transmission and distribution lead; lightning conducter stringing groove is set on lightning rod; lightning rod on all electric poles in zone in the electrical network can be coupled together by setting up lightning conducter; form a lightning-arrest zone; anti-lightning strike protection is expanded to by the formed many bars protections in lightning conducter connection back by the single pole protection, improved the lightning protection grade of high pressure electric line effectively.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the conductive cap schematic diagram;
Fig. 3 has porcelain insulator cement electric pole schematic diagram on the lightning rod;
Fig. 4 is the cement electric pole schematic diagram that the stringing groove is arranged on the lightning rod.
The specific embodiment
Fig. 1, lightning-arrest cement electric pole shown in Figure 2, comprise the body of rod 1 and the conductive cap 4 that is fixedly arranged on body of rod top, conductive cap 4 is provided with lightning rod 5, position near body of rod bottom in the body of rod is embedded with earthing pole 2, terminals of earthing pole 2 are connected with conductive cap electricity 4 by the plain conductor of being located in the body of rod 3, another terminals of earthing pole 2 expose body of rod surface, all can with body of rod surface is concordant or recessed slightly, be drilled with screwed hole in these terminals, adopt bolt to be connected during installation with grounding wire 6, and reduce contact resistance with conductive paste, paint and make waterproofing work.Have installing hole corresponding and the jack 3a corresponding on the above-mentioned conductive cap 4 with plain conductor 3 with the inner reinforcing bar of the body of rod, and the installing hole 5a corresponding with lightning rod 5, reinforcing bar passes conductive cap 4 backs with plain conductor 3 and is connected with welding manner, can adopt welding manner to be connected or screwed connection between lightning rod 5 and the conductive cap 4, when adopting screwed connection, on the conductive cap 4 pin thread.
Lightning-arrest cement electric pole shown in Figure 3, it is a sheathed again porcelain insulator 8 on the lightning rod of Fig. 1, electric pole shown in Figure 2, porcelain insulator 8 is seated and is located at lightning rod near on the porcelain vase positioning table 7 at conductive cap position, insulating trip middle part at porcelain insulator is provided with power line stringing groove 9, is used to set up the power transmission and distribution lead.
Lightning-arrest cement electric pole shown in Figure 4 is to set up lightning conducter stringing groove 10 on the lightning rod of Fig. 1, electric pole shown in Figure 2 on the close position of conductive cap, be used to set up lightning conducter, to improve the lightning protection grade of circuit.
In addition to the implementation, the technical scheme of Fig. 3, Fig. 4 can also be combined, form a kind of lightning-arrest cement electric pole that can set up power transmission and distribution lead and lightning conducter, at this moment, lightning conducter stringing groove on the lightning rod both can be arranged on the top of porcelain insulator, also can be arranged on the below of porcelain insulator.
Lightning rod in the various embodiments described above is made by stainless steel material, and rust matter is attached to the porcelain vase surface to prevent lightning rod from getting rusty afterwards, influences the insulating properties of porcelain vase; The height and position of above-mentioned earthing pole 2 in the body of rod is in the body of rod and buries behind the ground above the face of land in 0.1 meter～0.5 meter the zone.
Claims (7)
1. lightning-arrest cement electric pole, comprise the body of rod and the conductive cap that is fixedly arranged on body of rod top, conductive cap is provided with lightning rod, it is characterized in that: the position near body of rod bottom in the body of rod is embedded with earthing pole, terminals of earthing pole are electrically connected with conductive cap by the plain conductor of being located in the body of rod, and another terminals of earthing pole expose described body of rod surface.
2. lightning-arrest cement electric pole according to claim 1 is characterized in that: be arranged with porcelain insulator on the lightning rod, porcelain insulator is provided with power line stringing groove.
3. lightning-arrest cement electric pole according to claim 2 is characterized in that: lightning rod is provided with the porcelain vase positioning table at the position near metal cap, and described porcelain insulator is seated on the porcelain vase positioning table.
4. lightning-arrest cement electric pole according to claim 3 is characterized in that: the position on the lightning rod above porcelain insulator also is provided with lightning conducter stringing groove.
5. lightning-arrest cement electric pole according to claim 1 is characterized in that: be provided with lightning conducter stringing groove at the position near metal cap on the lightning rod.
6. lightning-arrest cement electric pole according to claim 5, it is characterized in that: on the lightning rod lightning conducter set up groove above the position be provided with the porcelain vase positioning table, one porcelain insulator that is sleeved on the lightning rod is seated on the porcelain vase positioning table, and porcelain insulator is provided with power line stringing groove.
7. according to the described lightning-arrest cement electric pole of arbitrary claim among the claim 1-6, it is characterized in that: the height and position of described earthing pole in the body of rod is positioned at above the face of land 0.1 meter～0.5 meter zone after the body of rod buries ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201496818U CN201280826Y (en) | 2008-10-10 | 2008-10-10 | Lightning protection cement pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201496818U CN201280826Y (en) | 2008-10-10 | 2008-10-10 | Lightning protection cement pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201280826Y true CN201280826Y (en) | 2009-07-29 |
Family
ID=40927703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201496818U Expired - Fee Related CN201280826Y (en) | 2008-10-10 | 2008-10-10 | Lightning protection cement pole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201280826Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915005A (en) * | 2010-07-21 | 2010-12-15 | 攀枝花电业局 | Novel electric pole |
| CN102979343A (en) * | 2012-11-15 | 2013-03-20 | 浙江永达电力实业股份有限公司 | Electric pole |
| CN106639480A (en) * | 2016-10-20 | 2017-05-10 | 成都迅德科技有限公司 | Power pole |
| CN112415235A (en) * | 2020-11-16 | 2021-02-26 | 贵州电网有限责任公司 | Portable novel grounding resistance measuring terminal and measuring method thereof |
-
2008
- 2008-10-10 CN CNU2008201496818U patent/CN201280826Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915005A (en) * | 2010-07-21 | 2010-12-15 | 攀枝花电业局 | Novel electric pole |
| CN102979343A (en) * | 2012-11-15 | 2013-03-20 | 浙江永达电力实业股份有限公司 | Electric pole |
| CN106639480A (en) * | 2016-10-20 | 2017-05-10 | 成都迅德科技有限公司 | Power pole |
| CN112415235A (en) * | 2020-11-16 | 2021-02-26 | 贵州电网有限责任公司 | Portable novel grounding resistance measuring terminal and measuring method thereof |
| CN112415235B (en) * | 2020-11-16 | 2022-09-23 | 贵州电网有限责任公司 | Portable novel grounding resistance measuring terminal and measuring method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201280826Y (en) | Lightning protection cement pole | |
| CN105243176A (en) | Graphic analysis method for optimization configuration of lightning arrester on 110kV/220kV power transmission line | |
| CN106451308A (en) | 35kv/10kv common-tower distribution line lightning protection device | |
| CN201435277Y (en) | lightning-proof insulator | |
| CN204964657U (en) | Test device suitable for research 10kV line gap ground connection form | |
| CN2824393Y (en) | Induction thunder screening wire for preventing 10KV overhead insulative conductor from breaking by lightning striking | |
| CN205100643U (en) | Lightning -arrest wire pole | |
| CN109638483A (en) | A kind of novel tree root shape structure spark thorn | |
| CN203260987U (en) | High-voltage line lightning arrester | |
| CN202749521U (en) | Antitheft earth electrode | |
| CN205303080U (en) | Resistant bar -shaped suspension type composite insulator of lightning impulse | |
| CN201466619U (en) | Gap lightning protection device | |
| CN205610158U (en) | Insulated line overvoltage protector | |
| CN204809570U (en) | Netted formula lightning grounding line of electric power | |
| CN203553867U (en) | Simple tower lightning arrester | |
| CN201490714U (en) | Line lighting protection overvoltage protector | |
| CN205004117U (en) | Composite insulator | |
| CN201430408Y (en) | Lightning-prevention and shielding-failure lightning attraction device with double lightning conductors used for power transmission conducting wire | |
| CN217335027U (en) | Lightning protection device suitable for medium-voltage distribution line full protection | |
| CN209344337U (en) | A kind of novel tree root shape structure spark thorn | |
| CN205846263U (en) | Grounding body structure based on graphite-based flexible ground body | |
| CN2796160Y (en) | Overvoltage protective earthing device for insulation conductor deep leading into earth | |
| CN204558163U (en) | Lightning protection anti-ice-flashing composite insulator | |
| CN105186372B (en) | A kind of test method for being applied to research 10kV leakage conductor Contact patch | |
| CN104682304A (en) | Suburb 10kV power distribution line differentiated lightning-protection method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090729 Termination date: 20161010 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |