CN107342467A - A kind of carbon fiber composite alloy grounding body - Google Patents
A kind of carbon fiber composite alloy grounding body Download PDFInfo
- Publication number
- CN107342467A CN107342467A CN201710545471.4A CN201710545471A CN107342467A CN 107342467 A CN107342467 A CN 107342467A CN 201710545471 A CN201710545471 A CN 201710545471A CN 107342467 A CN107342467 A CN 107342467A
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- CN
- China
- Prior art keywords
- housing
- alloy
- carbon fiber
- red copper
- filled
- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
Landscapes
- Prevention Of Electric Corrosion (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Abstract
The present invention discloses a kind of carbon fiber composite alloy grounding body, include housing and ground connection steel band, the housing is carbon fiber combined housing, in the housing construction materials contract is filled out filled with electrolyte, the electrolyte, which is filled out in construction materials contract, has filled in alloy ground body, running through in the alloy body has red copper bar core body, the both sides of the housing are respectively equipped with a pair of seals and feeding port, one end of the red copper bar core body is through to outside housing via feeding port, and it is connected by the connection bus of setting with ground connection steel band, the sealing device for red copper bar core body fixing seal is provided with the feeding port；The carbon fiber composite alloy body reduce corrosion rate, play drop resistance effect, play pressure effect, construction costs is relatively low, Soil Surrounding will not be impacted.
Description
Technical field
The invention belongs to more particularly to a kind of carbon fiber composite alloy grounding body.
Background technology
Electric substation, transmission line of electricity or its impedance ground of building in power system with the increase of service life,
Impedance ground can gradually rise, and the electric substation in the high area of some soil resistivities, electric line the grounded screen electricity when building
Resistance just can not meet regulatory requirements, bury accident potential.
The grounded screen electric resistances such as operating electric substation, electric line, building are more beyond norm standard reason
Aspect, one of them is to use ordinary carbon steel as grounded screen mostly in the earthed system in China.Steel can be by soil
Gradually corrode, cause grounded screen reduced cross-sectional area, cause heat endurance insufficient；Corrosion product is wrapped on steel, impedance ground liter
Height, cause direct attack, induction lightening energy, system failure electric current can not discharge quickly, cause equipment and personal injury.
At present, the domestic design to earthing or grounding means is typically all to use carbon steel, zinc-plated carbon steel.Will using the effect of zinc-plated carbon steel
Decomposed substantially better than ordinary carbon steel material, but by the operation of 6~10 years or so, Zinc coat；Done using copper material
Earthing or grounding means, price, what is used is seldom；Grounding body is done using carbonaceous electrodes, the ferrous material in earth mat is corroded very fast.
The content of the invention
It is an object of the invention to provide one kind reduce corrosion rate, play drop resistance effect, play pressure effect, construction costs
Carbon fiber composite alloy grounding body that is relatively low, will not being impacted to Soil Surrounding.
In order to solve the above-mentioned technical problem, the technical scheme is that：
A kind of carbon fiber composite alloy grounding body, include housing and ground connection steel band, the housing is carbon fiber combined housing, institute
State in housing and fill out construction materials contract filled with electrolyte, the electrolyte, which is filled out in construction materials contract, has filled in alloy ground body, is passed through in the alloy body
Red copper bar core body is installed with, the both sides of the housing are respectively equipped with a pair of seals and feeding port, one end of the red copper bar core body
It is through to outside housing via feeding port and is connected by the connection bus of setting with ground connection steel band, is provided with and uses at the feeding port
In the sealing device of red copper bar core body fixing seal.
Preferably, the alloy body is located at the medium position of housing, the red copper bar core body is located at alloy ground body
Medium position.
Preferably, the housing is seal casinghousing, sealing-plug has been filled in the seal.
The technology of the present invention effect major embodiment is in the following areas：Carbon fiber combined housing, sealing structure can prevent from being electrolysed
The leakage of matter pollutes to surrounding environment；Carbon fiber shell has good electric conductivity, and resistance is small, can reduce ground connection resistance
It is anti-；With very high mechanical strength, larger external pressure can be born without cracking by being embedded in underground, be crushed；Also have simultaneously
There is stable chemical property, not aging, not burn into never degenerate, are non-degradable, environment will not be polluted；Simultaneously also using the moon
Pole protection philosophy, using how far alloy body cast, is provided with water conservancy diversion core body red copper bar in alloy body, red copper bar by silver process through being added
Work, corrosion-preventing and resistance-reducing lightning protection effect is good, has good leakage to act on to caused electric current under lightning surge, makes defencive function
More complete, service life was up to 50 years.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is that galvanic cell forms figure；
Fig. 3 is protection cathode concept figure.
Embodiment
In the present embodiment, it is to be understood that term " centre ", " on ", " under ", " top ", " right side ", " left end ",
" top ", " back side ", " middle part ", etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, only
It is must have specific orientation, Yi Te for the ease of the description present invention, rather than the device or element of instruction or hint meaning
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, the connection between part or fixed form if not otherwise specified in this embodiment, it is connected or solid
It can be to be fixed by bolt commonly used in the prior art or pin is fixed to determine mode, or the mode such as bearing pin connection, therefore, at this
No longer it is described in detail in embodiment.
Embodiment 1
As shown in figure 1, a kind of carbon fiber composite alloy grounding body, includes housing 1 and ground connection steel band 2, the housing 1 is that carbon is fine
Combined housing is tieed up, carbon fiber combined housing detection current potential is 0V, and the housing 1 is interior to fill out construction materials contract 3 filled with electrolyte, and electrolyte makes
With the material that bentonite is matrix, environment is not polluted, the electrolyte, which is filled out in construction materials contract 3, has filled in alloy body 4, alloy body 4
Current potential is -1.17V or so, and alloy body 4 forms the both positive and negative polarity of battery with housing 1, increases the quantity of free electron in soil, causes
Grounding resistance declines, and through there is red copper bar core body 5 in the alloy body 4, the alloy body 4 is located at the medium position of housing 1, institute
The medium position that red copper bar core body 5 is located at alloy body 4 is stated, the both sides of the housing 1 are respectively equipped with a pair of seals 6 and feeding port
7, one end of the red copper bar core body 5 is through to the connection bus 8 and ground connection steel that outside housing 1 and pass through setting via feeding port 7
Band 2 is connected, and connection bus 8 is handled with housing 1 using insulating, close provided with being fixed for red copper bar core body 5 at the feeding port 7
The sealing device 9 of envelope, the housing 1 are seal casinghousing 1, and sealing-plug has been filled in the seal 6.
The protective grounding net principle explanation of alloy body 4：
Protective effect of the alloy material to other metals, particularly ferrous metal is in ship, chemical industry, building, underground engineering etc.
Confirmed by theory and practice and largely use, its principle is as follows：
Electrochemical corrosion occurs in soil for metal, is due to ferrous metal in smelting process in its overall chemical molecular structure
Necessarily there is the presence of carbon composition.In various soil, pH value will not be absolute neutrality, in soil the presence of salt be also inevitable,
This just constitutes the external condition to form galvanic cell.Carbon molecules and iron molecule intrinsic soil of acid, alkali, salt in soil in iron
Galvanic effect is formed in the presence of earth electrolyte, sees Fig. 2.
Near grounded screen electrode dispense carbon dust why effect can not be lasting, though one of its reason is exactly the carbon dust dispensed
The right short time reduces impedance ground, but it can still form new galvanic cell with iron, accelerate the oxidation rate of grounded screen.Scene connects
Earth mat, which excavates, to be checked and confirms, has dispensed the steel grounding body of carbon dust around grounded screen, and the degree being corroded will be seriously in not having
Dispense the grounding body of carbon dust.
Laboratory experiment proves, the galvanic cell that copper, carbon and metallic iron are formed, current potential be it is essentially identical, this be also
One of the reason for undesirable using the method resistance reducing effect of installation copper earthing pole in iron grounded screen.
Turn into the negative pole of galvanic cell because Fe current potential is more negative than carbon, it is gradually corroded as anode.
Anode reaction：Fe-2e= Fe2+
Cathode reaction：O2+2H2O+4e=4OH-
If meeting the more negative metal M 10 of a current potential than Fe 12 again on metallic iron as anode to exist, metal M 10 is adopted
Wrapped up with construction materials contract 11 is filled out, then metal M constantly dissolves and ejected electron, Fe 12 is carried out cathodic polarization, is protected, such as Fig. 3.
Here it is by the principle of the alleged sacrificial anode and protective cathode of visualization.
Because added metal M anodes to grounded screen provide substantial amounts of electronics, at the same be benefited be grounded screen ground connection
Impedance is able to decline by a relatively large margin, solves the area of many new constructions, particularly high soil resistivity, impedance ground is very
Difficulty reaches the problem of design requirement.
The outside that construction materials contract 3 is filled out in alloy body 4 and electrolyte is carbon fiber combined housing.This housing 1 be it is closed, can be with
Prevent dielectric leakage from forming stable source battery.Carbon fiber shell 1 has good electric conductivity again, resistance very little, can be with
Reduce impedance ground.Carbon fiber composite shell has very high mechanical strength, be embedded in underground can bear larger external pressure and
Do not crack, crush.Carbon fiber has highly stable chemical property again, does not corrode, never degenerates, non-degradable, will not be to ring
Border pollutes.
As can be seen that alloy body 4 has following effect：
1. protecting the irony earthing or grounding means generally used not corrode or slow down its corrosion rate, stable impedance ground value is kept；
2. more free electrons can be provided, impedance ground is reduced, high soil resistivity is solved to a certain extent and connects
Ground impedance can not reach design standard problem；
It is good electrolyte 3. electrolyte, which fills out construction materials contract 3, water suction, moisturizing, antifreeze effect, diffusion freely electricity can be conducted
Son, the Northeast's grounded screen electric resistance is also set to reduce seasonal effect.
Protection depth that different-alloy material is provided ferrous metal is different, and this depends on the composition of alloy material, with zinc into
Material protection performance based on part is worst.The alloy material often used at present, usually can reach to ferrous metal protection depth
30%~100%。
Protection depth：
External general minimum protective potential principle states：It is (relative when protected object protection potential reaches -0.85V or more negative
In Cu/CuSO4, carbon potential and copper current potential are essentially identical), that is, think to have reached to be effectively protected, corrosion rate can be ignored not
Meter.The alloy of Jilin City Nengxing Electrical Equipment Co., Ltd production body using ferrous metal as object, the protection of alloy ground body electricity
Position reaches -0.92V ± 0.01V to iron raffinate material, and its protection depth has reached effective protection, as long as reasonable in design, drop hinders and prevented
The timeliness of corruption protection can reach more than 30 years, fundamentally solve to perplex for many years power system Grounding impedance by soil
The problem of matter influences not reaching design requirement, and lightening hazard is more；Also it is serious to solve ground net corrosion, simplifies electric substation every 5~6
Year grounded screen is excavated and checked once, and the Grounding Network Reconstruction that is carried out of overhead line structures grounded screen heavy corrosion of 20 years of operation
Workload and investment.
Protection domain：
Alloy material and irony earthing material parallel laying, the protective effect played is best, but in Practical Project, this laying
Mode is worthless.Single alloy ground body is grounded to the protection domain that periphery irony grounding body can be taken into account according to periphery irony
The factors such as the laying density of net, earth mat contact area, soil chemical properties are relevant.It is 500~1000 Ω .m in soil resistivity,
The radius of protection 12m of transmission line of electricity corner radiant type grounded screen, the radius of protection of grounding net of transformer substation refer to this numerical value, but
The factor for considering grounding net of transformer substation laying density should be increased, radius of protection is adjusted to below 8m.Acid soil area, salt-soda soil
The protection of the grounded screens such as area, farmland, depression is considered as acid in soil, alkali, salt and the degradable corrosion of alloy grounding body is acted on.
The technology of the present invention effect major embodiment is in the following areas：Carbon fiber combined housing, sealing structure can prevent from being electrolysed
The leakage of matter pollutes to surrounding environment；Carbon fiber shell has good electric conductivity, and resistance is small, can reduce ground connection resistance
It is anti-；With very high mechanical strength, larger external pressure can be born without cracking by being embedded in underground, be crushed；Also have simultaneously
There is stable chemical property, not aging, not burn into never degenerate, are non-degradable, environment will not be polluted；Simultaneously also using the moon
Pole protection philosophy, using how far alloy body cast, is provided with water conservancy diversion core body red copper bar in alloy body, red copper bar by silver process through being added
Work, corrosion-preventing and resistance-reducing lightning protection effect is good, has good leakage to act on to caused electric current under lightning surge, makes defencive function
More complete, service life was up to 50 years.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
The change or replacement expected without creative work, it should all be included within the scope of the present invention.
Claims (3)
1. a kind of carbon fiber composite alloy grounding body, include housing and ground connection steel band, it is characterised in that：The housing is that carbon is fine
Combined housing is tieed up, the housing is interior to fill out construction materials contract filled with electrolyte, and the electrolyte, which is filled out in construction materials contract, has filled in alloy ground body, institute
State through there is red copper bar core body in alloy body, the both sides of the housing are respectively equipped with a pair of seals and feeding port, the red copper
One end of rod core body is through to outside housing via feeding port and is connected by the connection bus of setting with ground connection steel band, described to fill out
The sealing device for red copper bar core body fixing seal is provided with material mouth.
2. carbon fiber composite alloy grounding body according to claim 1, it is characterised in that：The alloy ground body is located at shell
The medium position of body, the red copper bar core body are located at the medium position of alloy ground body.
3. carbon fiber composite alloy grounding body according to claim 2, it is characterised in that：The housing is seal casinghousing,
Sealing-plug has been filled in the seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710545471.4A CN107342467B (en) | 2017-07-06 | 2017-07-06 | Carbon fiber composite alloy grounding body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710545471.4A CN107342467B (en) | 2017-07-06 | 2017-07-06 | Carbon fiber composite alloy grounding body |
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| Publication Number | Publication Date |
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| CN107342467A true CN107342467A (en) | 2017-11-10 |
| CN107342467B CN107342467B (en) | 2020-02-18 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201084842Y (en) * | 2007-08-02 | 2008-07-09 | 潘龙雨 | An alloy grounding device |
| CN201623267U (en) * | 2010-03-05 | 2010-11-03 | 陕西电力科学研究院 | Corrosion resistant resistance-reducing grounding module |
| CN103001012A (en) * | 2012-11-16 | 2013-03-27 | 吉林市能兴电力设备有限公司 | Anti-corrosion resistance-reducing lightning protection grounding device adopting multi-component alloy grounding body |
| CN204011771U (en) * | 2014-08-13 | 2014-12-10 | 银川锦天乐防雷技术有限公司 | Flexible lightning protection protector |
| CN204067598U (en) * | 2014-09-13 | 2014-12-31 | 银川锦天乐防雷技术有限公司 | Desert and Gobi beach ground protection module |
| CN105071062A (en) * | 2015-09-17 | 2015-11-18 | 武汉大学 | Application of graphite grounding connector for stray current protection |
| CN205429186U (en) * | 2015-09-10 | 2016-08-03 | 金小玉 | Extrusion formula lightning ground connection connecting piece |
-
2017
- 2017-07-06 CN CN201710545471.4A patent/CN107342467B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201084842Y (en) * | 2007-08-02 | 2008-07-09 | 潘龙雨 | An alloy grounding device |
| CN201623267U (en) * | 2010-03-05 | 2010-11-03 | 陕西电力科学研究院 | Corrosion resistant resistance-reducing grounding module |
| CN103001012A (en) * | 2012-11-16 | 2013-03-27 | 吉林市能兴电力设备有限公司 | Anti-corrosion resistance-reducing lightning protection grounding device adopting multi-component alloy grounding body |
| CN204011771U (en) * | 2014-08-13 | 2014-12-10 | 银川锦天乐防雷技术有限公司 | Flexible lightning protection protector |
| CN204067598U (en) * | 2014-09-13 | 2014-12-31 | 银川锦天乐防雷技术有限公司 | Desert and Gobi beach ground protection module |
| CN205429186U (en) * | 2015-09-10 | 2016-08-03 | 金小玉 | Extrusion formula lightning ground connection connecting piece |
| CN105071062A (en) * | 2015-09-17 | 2015-11-18 | 武汉大学 | Application of graphite grounding connector for stray current protection |
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| Publication number | Publication date |
|---|---|
| CN107342467B (en) | 2020-02-18 |
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Effective date of registration: 20220712 Address after: No. 199 Yingbin Road, Chuanying District, Jilin Province, 132000 Patentee after: JILIN NENGXING ELECTRICAL EQUIPMENT CO.,LTD. Address before: No. 7-6-8, Guanghua Road, Chuanying District, Jilin City, Jilin Province, 132000 Patentee before: Pan Longyu |
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