CN104979649A - Hollow grounded pin, lightning protection system, power systems, building, and petrochemical device - Google Patents
Hollow grounded pin, lightning protection system, power systems, building, and petrochemical device Download PDFInfo
- Publication number
- CN104979649A CN104979649A CN201510435091.6A CN201510435091A CN104979649A CN 104979649 A CN104979649 A CN 104979649A CN 201510435091 A CN201510435091 A CN 201510435091A CN 104979649 A CN104979649 A CN 104979649A
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- China
- Prior art keywords
- nail
- opening
- centre bore
- pressure channel
- hole
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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
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- Elimination Of Static Electricity (AREA)
Abstract
The invention provides a hollow grounded pin which is characterized in that the hollow grounded pin comprises a pin body (1), a center hole (10), a drain hole (100), and an air pressure channel (51), the pin body has a tapered tip, the center hole is located in the pin body, two ends of the drain holes are connected to the center hole and the outer wall of the pin body, the distance from the opening of the drain hole connected to the outer wall of the pin body to the tip of the pin body is larger than the distance from the opening of the drain hole to the tip of the pin body, an air pressure channel is a through hole in the pin body and is formed by a hole pipe, an outward opening and an inward opening, the outward opening is at the tail end of the pin body, the inward opening is at the inner wall of the center hole, and the outward opening of the air pressure channel and the inward opening of the air pressure channel are connected by the air pressure channel. A lightning protection system comprises the above grounded pin. A power system comprises the above lightning protection system. A building comprises the above lightning protection system. A petrochemical device comprises the above lightning protection system. The hollow grounded pin is rapid to install and convenient to maintain.
Description
Technical field
The invention belongs to power equipment, particularly relate to hollow earthing nail, hollow earthing nail, lightning-protection system, electric power system, building, petrochemical plant.
Background technology
Grounding nail refers to the equipment for ground connection of being driven underground, prior art is generally direct is driven underground angle bar as grounding nail, due to the resistivity of soil and climate relationship very strong, the resistivity effects of drought and waterlogging situation to soil is huge, the contact situation of drought and waterlogging situation to grounding nail and soil also has tremendous influence, so the impact of the drought and waterlogging situation especially arid Grounding on grounding apparatus is huge.
Rainy season set burst thunderstorm has especially been crossed in the obvious area of, wet and dry season obvious in drought and waterlogging dry season during when wet and dry season replaces, first thunder when raining afterwards, easy appearance owing to carrying out electric equipment damage, rainwater do not have enough time to permeate the ground reduce earth resistance before the thunderbolt that happens suddenly also easily damage electric equipment.
In order to solve the ground connection instability problem of prior art in the obvious area of drought and waterlogging, the present invention relates to hollow earthing nail, the mode of this technical problem of solution of the present invention is, earth resistance can be safeguarded very easily, when electric power safety personnel record earth resistance too low, electric power safety personnel only need carry out the resistance that simple operations just effectively can safeguard earth resistance fast.
Summary of the invention
For the problem described in technical solution background, the present invention proposes hollow earthing nail.
The present invention has following technology contents.
1, hollow earthing nail, is characterized in that: comprise nail body (1), centre bore (10), porus excretorius (100), pressure channel (51);
Nail body (1) has the tip of taper;
Centre bore (10) is positioned at nail body (1), the axis trend of centre bore (10) moves towards identical with the axis of nail body (1), centre bore (10) is half through hole, and the external opening of centre bore (10) is in the tail end i.e. opposed end with tip of nail body (1);
Body (1) is followed closely in being positioned at of porus excretorius (100); porus excretorius (100) is all-pass hole; the both ends open of porus excretorius (100) connects with centre bore (10), the outer wall of following closely body (1) respectively, and the opening that porus excretorius (100) connects with the outer wall of nail body (1) is greater than opening that porus excretorius (100) connects with centre bore (100) to the distance of following closely body (1) tip to the distance of follow closely body (1) tip;
Pressure channel (51) is the through hole in nail body (1), pressure channel (51) is managed (511) by hole, to outward opening (510), is formed inner opening (512), tail end outward opening (510) being positioned to nail body (1) of pressure channel (51), pressure channel (51) be positioned on the inwall of centre bore (10) to inner opening (512), the hole pipe of pressure channel (51) is by the coupling together to inner opening (512) to outward opening (510) and pressure channel (51) of pressure channel (51).
2, the hollow earthing nail as described in technology contents 1, is characterized in that: described centre bore (10) is circular hole.
3, the hollow earthing nail as described in technology contents 1, is characterized in that: described porus excretorius (100) is circular hole.
4, hollow earthing nail, is characterized in that: on the basis of the technical scheme described in technology contents 1, increases earthy resistance reducing agent (20); Resistance reducing agent (20) is contained in centre bore (10).
5, the hollow earthing nail as described in technology contents 4, is characterized in that: the mixture that described resistance reducing agent (20) is carbon dust and water.
6, hollow earthing nail, is characterized in that: on the basis of the technical scheme described in technology contents 4, increases the thin paper of encapsulation; The opening of shutoff centre bore (10) on the opening that thin paper is attached to centre bore (10); Use thin paper to be attached to porus excretorius (100) and seal this opening with on the opening that connects of outside following closely body (1).
7, lightning-protection system, is characterized in that: the content that possesses skills 1 or the grounding nail described in 4 or 6.
8, electric power system, is characterized in that: the lightning-protection system described in the content that possesses skills 7.
9, build, it is characterized in that: the lightning-protection system described in the content that possesses skills 7.
10, petrochemical plant, is characterized in that: the lightning-protection system described in the content that possesses skills 7.
Technology contents illustrates and beneficial effect.
Technology contents illustrates:
Resistance mode of falling of the present invention is, with porus excretorius (100), resistance reducing agent is poured into the position that grounding nail contacts with soil by centre bore (10), when using of the present invention, best tail end leaks outside or surface dust shallow embedding, when the earth resistance that safe practice personnel record grounding system is bigger than normal, to centre bore perfusion resistance reducing agent amount, can obtain good resistance fast, very applicable unexpected humidity changes area greatly.
The present invention regulates the denseness of resistance reducing agent or the diameter of porus excretorius, makes resistance reducing agent fall slowly by the speed of porus excretorius, can keep grounding nail and good contact suddenly more lastingly.
Porus excretorius of the present invention can be multiple.
Grounding nail of the present invention can be installed fast.
The present invention is cheap, installs fast, maintains easily, strong adaptability.
Accompanying drawing explanation
Accompanying drawing 1 is the schematic diagram of the grounding nail (1) of embodiment 1.
Accompanying drawing 2 is the top view of the grounding nail (1) of embodiment 1.
Accompanying drawing 3 is the schematic diagram of the mounting (61) for sealing pressure channel (51) of embodiment 1, and wherein a is profile, and wherein b is top view.
Accompanying drawing 4 is the schematic diagram that the grounding nail of embodiment 1 installs weight (415) additional.
The schematic diagram of the guard shield (3) of the grounding apparatus of accompanying drawing 5 used for the grounding nail of embodiment 1.
The schematic diagram of the grounding apparatus of accompanying drawing 6 used for the grounding nail of embodiment 1.
concrete embodiment
Below in conjunction with embodiment, the present invention will be described.
Embodiment 1, as shown in figures 1 to 6, hollow earthing is followed closely, and comprises nail body 1, centre bore 10, porus excretorius 100, pressure channel 51;
Nail body 1 has the tip of taper;
Centre bore 10 is positioned at nail body 1, and the axis trend of centre bore 10 moves towards identical with the axis of nail body 1, and centre bore 10 is half through hole, and the external opening of centre bore 10 is in the tail end i.e. opposed end with tip of nail body 1;
Body 1 is followed closely in being positioned at of porus excretorius 100; porus excretorius 100 is all-pass hole; the both ends open of porus excretorius 100 connects with centre bore 10, the outer wall of following closely body 1 respectively, and the opening that porus excretorius 100 connects with the outer wall of nail body 1 is greater than opening that porus excretorius 100 connects with centre bore 100 to the distance of following closely body 1 tip to the distance of following closely body 1 tip; .
The nail tail 12 of nail body 1 is discoid, it has stud 120.
Grounding nail also has wiring point 99, and earth cable 999 is connected by the nail tail 12 of wiring point 99 with nail body.
Centre bore 10 is circular hole.
Porus excretorius 100 is circular hole.
Also comprise earthy resistance reducing agent 20; Resistance reducing agent 20 is contained in centre bore 10.
Resistance reducing agent 20 is the mixture of carbon dust and water.
Pressure channel 51 is the through holes in nail body 1, pressure channel 51 is by hole pipe 511, to outward opening 510, form inner opening 512, tail end outward opening 510 being positioned to nail body 1 of pressure channel 51, pressure channel 51 be positioned on the inwall of centre bore 10 to inner opening 512, the hole pipe of pressure channel 51 is by the coupling together to inner opening 512 to outward opening 510 and pressure channel 51 of pressure channel 51.
Embodiment 2, hollow earthing are followed closely, and on the basis of the technical scheme described in embodiment 1, increase the thin paper of encapsulation; The opening of shutoff centre bore 10 on the opening that thin paper is attached to centre bore 10; Use thin paper to be attached to porus excretorius 100 with following closely opening that the outside of body 1 connects to seal use to suppress when this opening uses and crush thin paper.
Embodiment 3, one system power ground, on the basis of embodiment 1:
Also comprise the mounting 61 to outward opening 510 for shutoff pressure channel 51 shown in Fig. 3, mounting 61 have with nail body 1 centre bore 10 relative to hole 6100, mounting 61 has for blocking the blocking 610 to outward opening 510 that the air pressure followed closely in body 1 leads to 51, and mounting 61 has the fixing hole 6110 for the stud 120 on the nail tail 12 through nail body 1.
Also comprise the guard shield 3 shown in Fig. 5, guard shield 3 has barometric pipe 33 for equilibrium air pressure, support 32, pulley 412; Barometric pipe 33 is siphunculus, can be communicated at the inner chamber of the situation lower shield 3 without other solid blockades by barometric pipe 33 with air.
Also comprise shown in Fig. 4 for for follow closely body 1 centre bore 10 in resistance reducing agent 20 execute stressed weight 415, plug 416, weight 415 is fixedly connected with having between plug, and outline and centre bore 10 inner chamber of nail body 1 of plug 416 match and form good slipper seal reference syringe.
Also comprise the air pressure balance plug 411 shown in Fig. 6; the profile of air pressure balance plug 411 and barometric pipe 33 inner chamber kissing merge and form good slipper seal air and cannot flow through this pipeline; air pressure balance plug 411 both can prevent guard shield 3 internal cavities volume from sending change and change the change of guard shield air pressure inside, also can prevent cavity inside air and guard shield inside from sending gas exchanges so that corrode corrosion guard shield protect under centre bore 10 inside of nail body 1.
Also comprise the nut 121 for coordinating the stud 120 on the tail end 12 of nail body 1 to fix mounting 61 shown in Fig. 6.
Also comprise the thread 412 for connecting weight 415 and air pressure balance plug 411, the two ends of thread 412 are connected with weight 415, air pressure balance plug 411, thread 412 forms pulley mechanism jointly with the pulley 412 on the support 32 on guard shield 3, reaches the object of the action direction of change power.
With installation as shown in Figure 6, the nail body 1 of grounding nail hammers into underground, blocking 610 outward opening 510 is sealed by the pressure channel 51 of nail body 1 of mounting 61, the tail end of nail body 1 and center escutcheon get up to form confined space by guard shield 3, if procurator finds that the earth resistance of earth lead 999 becomes large after when installing one end, just can take guard shield apart mounting 61 is taken off, by thread 412 is exerted a force weight 415 extracted together with plug 416, again resistance reducing agent is added, if do not take off mounting, likely because gas pressure is difficult to extract plug 416, also likely because be that porus excretorius 100 sucks earth.
This embodiment in order to application scenario and the mode of grounding nail of the present invention are described, is mainly the embodiment for auxiliary understanding.
Embodiment 4, lightning-protection system, is characterized in that: have the grounding nail described in embodiment 1 or 2.
Embodiment 5, electric power system, is characterized in that: have the lightning-protection system described in embodiment 4.
Embodiment 6, building, is characterized in that: have the lightning-protection system described in embodiment 4.
Embodiment 7, petrochemical plant, is characterized in that: have the lightning-protection system described in embodiment 4.
Claims (10)
1. hollow earthing nail, is characterized in that: comprise nail body (1), centre bore (10), porus excretorius (100), pressure channel (51);
Nail body (1) has the tip of taper;
Centre bore (10) is positioned at nail body (1), the axis trend of centre bore (10) moves towards identical with the axis of nail body (1), centre bore (10) is half through hole, and the external opening of centre bore (10) is in the tail end i.e. opposed end with tip of nail body (1);
Body (1) is followed closely in being positioned at of porus excretorius (100); porus excretorius (100) is all-pass hole; the both ends open of porus excretorius (100) connects with centre bore (10), the outer wall of following closely body (1) respectively, and the opening that porus excretorius (100) connects with the outer wall of nail body (1) is greater than opening that porus excretorius (100) connects with centre bore (100) to the distance of following closely body (1) tip to the distance of follow closely body (1) tip;
Pressure channel (51) is the through hole in nail body (1), pressure channel (51) is managed (511) by hole, to outward opening (510), is formed inner opening (512), tail end outward opening (510) being positioned to nail body (1) of pressure channel (51), pressure channel (51) be positioned on the inwall of centre bore (10) to inner opening (512), the hole pipe of pressure channel (51) is by the coupling together to inner opening (512) to outward opening (510) and pressure channel (51) of pressure channel (51).
2. hollow earthing nail as claimed in claim 1, is characterized in that: described centre bore (10) is circular hole.
3. hollow earthing nail as claimed in claim 1, is characterized in that: described porus excretorius (100) is circular hole.
4. hollow earthing nail, is characterized in that: on the basis of technical scheme according to claim 1, increases earthy resistance reducing agent (20); Resistance reducing agent (20) is contained in centre bore (10).
5. hollow earthing nail as claimed in claim 4, is characterized in that: the mixture that described resistance reducing agent (20) is carbon dust and water.
6. hollow earthing nail, is characterized in that: on the basis of technical scheme according to claim 4, increases the thin paper of encapsulation; The opening of shutoff centre bore (10) on the opening that thin paper is attached to centre bore (10); Use thin paper to be attached to porus excretorius (100) and seal this opening with on the opening that connects of outside following closely body (1).
7. lightning-protection system, is characterized in that: have claim 1 or the grounding nail described in 4 or 6.
8. electric power system, is characterized in that: have lightning-protection system according to claim 7.
9. build, it is characterized in that: there is lightning-protection system according to claim 7.
10. petrochemical plant, is characterized in that: have lightning-protection system according to claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510435091.6A CN104979649A (en) | 2015-07-23 | 2015-07-23 | Hollow grounded pin, lightning protection system, power systems, building, and petrochemical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510435091.6A CN104979649A (en) | 2015-07-23 | 2015-07-23 | Hollow grounded pin, lightning protection system, power systems, building, and petrochemical device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104979649A true CN104979649A (en) | 2015-10-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510435091.6A Pending CN104979649A (en) | 2015-07-23 | 2015-07-23 | Hollow grounded pin, lightning protection system, power systems, building, and petrochemical device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104979649A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2512128Y (en) * | 2001-10-19 | 2002-09-18 | 中国人民解放军66169部队 | Ground body |
| CN201478471U (en) * | 2009-07-13 | 2010-05-19 | 贵州南源电力科技开发有限公司 | Lightning-proof grounding grid structure for rocky areas |
| CN201994434U (en) * | 2011-02-25 | 2011-09-28 | 柳明烈 | Metal formwork earthing device |
| CN204304013U (en) * | 2015-01-04 | 2015-04-29 | 湖南中普防雷股份有限公司 | Electric resistance reducing grounding device |
-
2015
- 2015-07-23 CN CN201510435091.6A patent/CN104979649A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2512128Y (en) * | 2001-10-19 | 2002-09-18 | 中国人民解放军66169部队 | Ground body |
| CN201478471U (en) * | 2009-07-13 | 2010-05-19 | 贵州南源电力科技开发有限公司 | Lightning-proof grounding grid structure for rocky areas |
| CN201994434U (en) * | 2011-02-25 | 2011-09-28 | 柳明烈 | Metal formwork earthing device |
| CN204304013U (en) * | 2015-01-04 | 2015-04-29 | 湖南中普防雷股份有限公司 | Electric resistance reducing grounding device |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151014 |