CN217405716U - High-temperature fired graphite carbon composite material grounding module - Google Patents
High-temperature fired graphite carbon composite material grounding module Download PDFInfo
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- CN217405716U CN217405716U CN202123185389.6U CN202123185389U CN217405716U CN 217405716 U CN217405716 U CN 217405716U CN 202123185389 U CN202123185389 U CN 202123185389U CN 217405716 U CN217405716 U CN 217405716U
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- carbon composite
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Abstract
The utility model particularly relates to a graphite carbon combined material ground module is fired to high temperature belongs to the ground connection technical field, and the problem that solve provides a graphite carbon combined material ground module with corrosion resistance, and the scheme of adoption is: fins are fixed on the surface of the side wall of the module body, a connecting sleeve is fixed at the upper end of the module body and used for extending to the surface of soil, one end of a grounding lead is arranged in a cylinder body of the connecting sleeve, a jacking column and a fastener for positioning the grounding lead are arranged on the connecting sleeve, and the fins, the module body and the connecting sleeve are all made of high-temperature fired graphite carbon composite materials; the utility model discloses when improving ground connection module corrosion resisting property intensity, soil erosion is avoided with ground connection module's junction to the protection ground lead, and the effectual stability of connecting that has improved has guaranteed the validity of ground connection.
Description
Technical Field
The utility model belongs to the technical field of ground connection, concretely relates to graphite carbon combined material ground connection module is fired to high temperature.
Background
Grounding is the most important link of lightning protection engineering, and the lightning current is finally sent to the ground no matter the direct lightning protection is adopted or the protection technologies of electrostatic induction, electromagnetic induction and lightning wave invasion of lightning are adopted. Without good grounding techniques, it is not possible to have a qualified lightning protection process. The grounding body, i.e. grounding module, also called grounding electrode, is a metal conductor or conductor group directly contacted with soil, and is divided into an artificial grounding body and a natural grounding body. The grounding body is used as a conductor which is in close contact with the soil of the ground and provides electrical connection with the ground, and the energy of the safe emission lightning can be discharged into the ground. In the prior art, the grounding body is generally realized by burying the grounding body in the ground, the grounding resistance is not stable enough when the grounding grid grounding body is made of traditional grounding materials, the traditional grounding body is generally made of metal materials, but the grounding body is easy to corrode due to the moisture of the soil, so that the grounding failure is caused, the material with strong corrosion resistance is used as the grounding body at present, but the problem of weak corrosion resistance still exists at the joint of a grounding lead and the grounding body, the fracture of the joint is caused, and the aim of ensuring the grounding performance cannot be achieved.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art exists not enough, provides a graphite carbon combined material ground connection module is fired to high temperature, when improving ground connection module corrosion resisting property intensity, protects the ground lead and avoids soil corrosion with ground connection module's junction, and the effectual stability of connecting that has improved has guaranteed the validity of ground connection.
In order to solve the technical problem, the utility model discloses a technical scheme be: a high-temperature fired graphitic carbon composite grounding module comprising: the module comprises a module body, fins, a connecting sleeve, a through hole, a grounding lead, a jacking column and a fastener; a plurality of vertically arranged fins are fixed on the surface of the side wall of the square module body, the upper end of the module body is coaxially fixed with the connecting sleeve, the module body is placed in underground soil, and the top end of the connecting sleeve extends to the surface of the soil; one end of the grounding lead is arranged in the cylinder body of the connecting sleeve, a plurality of pairs of through holes are formed in the connecting sleeve and are perpendicular to the axial direction of the connecting sleeve, each pair of through holes are coaxially arranged, each pair of through holes are oppositely arranged on two sides of the connecting sleeve, tightening columns used for tightening the grounding lead are arranged on the through holes, one tightening column of each pair of through holes is connected with one fastening piece, and the fastening pieces are used for driving the tightening columns to tighten the grounding lead in the cylinder body of the connecting sleeve; the fins, the module body and the connecting sleeve are all made of high-temperature fired graphite carbon composite materials.
Insert the ground lead wire in the connecting sleeve, closely connect the ground lead wire through the tight capital of top, fix a position ground lead wire and connecting sleeve, the further ground lead wire that prevents of metal that sets up of connecting sleeve leads to the corrosion fracture of junction with the soil contact, has guaranteed the validity and the security of ground connection.
The fins, the connecting sleeve and the module body are integrally formed.
The module body is internally provided with a cavity communicated with the barrel of the connecting sleeve, the grounding lead penetrates through the connecting sleeve and extends into the cavity, and the contact area between the grounding lead and the grounding module is increased.
The fastener includes: the pressing piece drives the pressing sleeve to be tightly pressed on the grounding lead wire through the traction force of the extension spring, so that the grounding lead wire and the connecting sleeve are positioned.
The connecting sleeve is provided with a reinforcing support piece at the joint of the connecting sleeve and the module body, and the reinforcing support piece is used for preventing the connecting sleeve and the module body from being broken.
The reinforcing support includes: the cylindricality encircles and opens the apron, the cylindricality encircles the parcel in the connecting sleeve lower part outside, the lower extreme that the cylindricality encircles is fixed with open and close the apron, open and close the apron be used for wrapping up in the upper end of module body. Integrated into one piece the post is encircled and is closed the apron with digging and be used for strengthening connecting sleeve with joint strength between the module body avoids connecting sleeve with because the fracture that crisscross power arouses between the module body.
The column-shaped ring and the digging and closing cover plate are made of stainless steel. The stainless steel reinforced support piece not only meets the requirement on strength, but also is stable in performance when buried in soil, and the strength retention time is long.
A plurality of gaps are arranged in the height direction of the outer side edge of the fin, and the gaps are used for increasing the contact area of the grounding module and soil.
The high-temperature fired graphite-carbon composite grounding material is prepared by calcining various materials such as petroleum materials, carbon, graphite and the like at high temperature, has excellent affinity to soil, is not corroded, is not denatured, is free of pollution and toxicity, has good resistance stability in a humid water immersion environment or a deep frozen soil environment, and is long in service life and high in compressive strength. The method is suitable for multipoint construction and grounding engineering of complex terrains and water-deficient areas, can effectively reduce grounding resistance of the ground network in areas with high soil resistivity, and is easy to install and free of maintenance.
The performance of the high-temperature fired graphite carbon composite grounding material is as follows:
volume density index of not less than 1.68g/cm 3 。
The resistivity index is not more than 8.5 mu omega.m, is equivalent to a good metal conductor, and is beneficial to building a high-quality ground screen.
The ash index is not more than 0.20%.
The compressive strength index is not less than 30MPa, and the grounding grid can be fully tamped during construction, so that the leakage of large surge current is improved.
The flexural strength index is not less than 13.5 MPa.
The modulus of elasticity is not greater than 10.0 CPa.
The thermal conductivity (100 ℃) is not less than 90W/(mK).
Compared with the prior art, the utility model following beneficial effect has.
One, the utility model discloses an adopt high temperature to fire graphite carbon combined material preparation module body, this module body is fabulous to soil affinity, and noncorrosive, invariance, pollution-free, nonhazardous, resistance stability is good under moist water logging or deep frozen soil environment, long service life, compressive strength is high. The method is suitable for multipoint construction and grounding engineering of complex terrains and water-deficient areas, can effectively reduce grounding resistance of the ground net in areas with high soil resistivity, and is easy to install and free of maintenance.
Two, the utility model discloses an integrated into one piece extends to the connecting sleeve on soil surface on the module body, with the ground lead through connection sleeve extend to the die cavity of module body in, realize ground lead and this ground connection module's stable connection, when improving ground connection module corrosion resistance intensity, the soil corrosion is avoided with ground connection module's junction to the protection ground lead, the effectual stability of connecting that has improved, has guaranteed the validity of ground connection.
Thirdly, the utility model discloses a set up in the junction of connecting sleeve and module body and strengthen support piece, the tightness of this module of further protection, the practicality is strong.
Fourthly, the utility model discloses a fastener location that compresses tightly cover, preforming and extension spring and form ground connection lead wire not only uses nimble convenience, and fastens effectually, satisfies the operation requirement.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a front view of the high-temperature-fired graphite carbon composite grounding module of the present invention.
Fig. 2 is a sectional view of the high-temperature fired graphite carbon composite grounding module of the present invention.
Fig. 3 is a schematic structural diagram of the module body of the present invention.
Fig. 4 is a top view of the fastener of the present invention.
In the figure: 1 is soil, 2 is the module body, 3 is the fin, 4 is the breach, 5 are for strengthening support piece, 51 is the cylindricality ring, 52 is opening the apron, 6 is the connecting sleeve, 7 is the ground lead, 8 is the tight post in top, 9 is the fastener, 91 is for compressing tightly the cover, 92 is the preforming, 93 is extension spring, 10 is the die cavity, 11 is the through hole.
Detailed Description
The following is a further description with reference to specific examples.
A high-temperature fired graphitic carbon composite grounding module comprising: the module comprises a module body 2, fins 3, a connecting sleeve 6, a through hole 11, a grounding lead 7, a tightening column 8 and a fastener 9; a plurality of vertically arranged fins 3 are fixed on the surface of the side wall of the square module body 2, the upper end of the module body 2 is coaxially fixed with the connecting sleeve 6, the module body 2 is placed in underground soil, and the top end of the connecting sleeve 6 extends to the surface of the soil 1; one end of the grounding lead 7 is arranged in the cylinder body of the connecting sleeve 6, a plurality of pairs of through holes 11 are arranged on the connecting sleeve 6 in a manner of being vertical to the axial direction of the connecting sleeve, each pair of through holes 11 are coaxially arranged, each pair of through holes 11 are oppositely arranged on two sides of the connecting sleeve 6, each through hole 11 is provided with a tightening column 8 for tightening the grounding lead 7, the tightening column 8 of each pair of through holes 11 is connected with one fastening piece 9, and the fastening pieces 9 are used for driving the tightening columns 8 to tighten the grounding lead 7 in the cylinder body of the connecting sleeve 6; the fins 3, the module body 2 and the connecting sleeve 6 are all made of high-temperature fired graphite carbon composite materials.
When using, will module body 2 buries underground in soil 1, and connecting sleeve 6 sets up vertically upwards, and the upper end of connecting sleeve 6 extends to soil 1 surface, inserts ground lead 7 in connecting sleeve 6, tightly connects ground lead 7 through the tight post 8 top in top, fixes a position ground lead 7 and connecting sleeve 6.
The fins 3, the connecting sleeve 6 and the module body 2 are integrally formed.
The module body 2 is internally provided with a cavity 10 communicated with the cylinder body of the connecting sleeve 6, and the grounding lead 7 penetrates through the connecting sleeve 6 and extends into the cavity 10, so that the contact area between the grounding lead 7 and the grounding module is increased.
The fastener 9 includes: the pressing sleeve 91 is coaxially sleeved at one end of the tightening column 8, which is far away from the grounding lead 7, the pressing sheet 92 is fixed at one end of the pressing sleeve 91, which is far away from the connecting sleeve 6, the tension spring 93 is connected between the opposite ends of the two pressing sheets 92 on the two tightening columns 8 which are arranged in pairs, and the pressing sheet 92 drives the pressing sleeve 91 to be tightly pressed on the grounding lead 7 through the traction force of the tension spring 93, so that the grounding lead 7 and the connecting sleeve 6 are positioned.
The connecting sleeve 6 is provided with a reinforcing support member 5 at the joint with the module body 2, and the reinforcing support member 5 is used for preventing the connecting sleeve 6 and the module body 2 from being broken.
The reinforcing support 5 comprises: pillar-shaped ring 51 and pull open and close apron 52, pillar-shaped ring 51 wrap up in the connecting sleeve 6 lower part outside, the lower extreme of pillar-shaped ring 51 is fixed with pull open and close apron 52, pull open and close apron 52 be used for wrapping up in the upper end of module body 2. The integrated into one piece the cylindric ring 51 with scratch and close the apron 52 and be used for strengthening connecting sleeve 6 with joint strength between the module body 2 avoids connecting sleeve 6 with the fracture that arouses because crisscross power between the module body 2.
The cylindrical ring 51 and the opening and closing cover plate 52 are made of stainless steel. The reinforcing support piece 5 made of stainless steel not only meets the requirement on strength, but also is stable in performance when buried in the soil 1, and the strength retention time is long.
A plurality of gaps 4 are formed in the outer side edge of the fin 3 in the height direction of the fin, and the gaps 4 are used for increasing the contact area of the grounding module and soil 1.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. It will be apparent to those skilled in the art that modifications and improvements can be made to the above-described embodiments without departing from the spirit and scope of the invention. Accordingly, it will be appreciated that those skilled in the art, upon attaining an understanding of the foregoing may readily produce alterations to, variations of, and equivalents to these embodiments without departing from the spirit and scope of the present invention as defined by the appended claims.
Claims (8)
1. A high-temperature fired graphitic carbon composite grounding module, comprising: the module comprises a module body (2), fins (3), a connecting sleeve (6), a through hole (11), a grounding lead (7), a tightening column (8) and a fastener (9); the plurality of vertically arranged fins (3) are fixed on the surface of the side wall of the square module body (2), the connecting sleeve (6) is coaxially fixed at the upper end of the module body (2), the module body (2) is placed in underground soil, and the top end of the connecting sleeve (6) extends to the surface of the soil (1); one end of the grounding lead (7) is arranged in the cylinder body of the connecting sleeve (6), a plurality of pairs of through holes (11) are formed in the connecting sleeve (6) in a manner of being vertical to the axial direction of the connecting sleeve, each pair of through holes (11) are coaxially arranged, each pair of through holes (11) are oppositely arranged on two sides of the connecting sleeve (6), each through hole (11) is provided with a tightening column (8) for tightening the grounding lead (7), the tightening column (8) of each pair of through holes (11) is connected with one fastening piece (9), and the fastening pieces (9) are used for driving the tightening columns (8) to tighten the grounding lead (7) in the cylinder body of the connecting sleeve (6); the fins (3), the module body (2) and the connecting sleeve (6) are all made of high-temperature fired graphite carbon composite materials.
2. A high temperature fired graphitic carbon composite grounding module according to claim 1 characterized in that the fins (3), the connecting sleeve (6) and the module body (2) are integrally formed.
3. A high temperature fired graphitic carbon composite grounding module according to claim 1 or 2, characterized in that a cavity (10) communicating with the barrel of the connecting sleeve (6) is provided in the module body (2), the grounding lead (7) extending through the connecting sleeve (6) into the cavity (10).
4. A high temperature fired graphitic carbon composite grounding module according to claim 1 or 2 characterized in that said fastener (9) comprises: the pressing sleeve comprises a pressing sleeve (91), pressing sheets (92) and extension springs (93), wherein one end, deviating from the grounding lead (7), of the pressing column (8) is coaxially sleeved with the pressing sleeve (91), one end, deviating from the connecting sleeve (6), of the pressing sleeve (91) is fixed with the pressing sheets (92), and the two pressing sheets (92) arranged in pairs are connected between opposite end portions of the pressing sheets (92) on the pressing column (8) in pairs.
5. A high-temperature-fired graphitic carbon composite grounding module according to claim 1, characterized in that the joint of the connecting sleeve (6) and the module body (2) is provided with a reinforcing support (5), and the reinforcing support (5) is used for preventing the connecting sleeve (6) and the module body (2) from breaking.
6. A high-temperature fired graphitic carbon composite grounding module according to claim 5 characterized in that said reinforcing support (5) comprises: pillar-shaped ring (51) and pull open and close apron (52), pillar-shaped ring (51) wrap up in the connecting sleeve (6) lower part outside, the lower extreme that pillar-shaped ring (51) is fixed with pull open and close apron (52), pull open and close apron (52) be used for wrapping up in the upper end of module body (2).
7. A high-temperature fired graphitic carbon composite grounding module according to claim 6 characterized in that said cylindrical ring (51) and said snap-on cover plate (52) are made of stainless steel.
8. A high temperature fired graphitic carbon composite grounding module according to claim 1 or 7 characterized in that the outside edges of the fins (3) are provided with notches (4) along their height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123185389.6U CN217405716U (en) | 2021-12-17 | 2021-12-17 | High-temperature fired graphite carbon composite material grounding module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123185389.6U CN217405716U (en) | 2021-12-17 | 2021-12-17 | High-temperature fired graphite carbon composite material grounding module |
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| Publication Number | Publication Date |
|---|---|
| CN217405716U true CN217405716U (en) | 2022-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123185389.6U Active CN217405716U (en) | 2021-12-17 | 2021-12-17 | High-temperature fired graphite carbon composite material grounding module |
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| Country | Link |
|---|---|
| CN (1) | CN217405716U (en) |
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- 2021-12-17 CN CN202123185389.6U patent/CN217405716U/en active Active
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