Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Carbon fiber grounding electrode

A grounding electrode and carbon fiber technology, applied in the direction of connecting contact materials, etc., can solve the problems of difficult installation and construction, bulky products, high brittleness, etc., and achieve the effect of wide application range, improved corrosion resistance and electrical conductivity

Active Publication Date: 2012-10-17
SHANDONG UNIV
View PDF7 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These new grounding electrodes all have lightning protection and safety grounding functions, but they also have problems to varying degrees, such as bulky products, difficult installation and construction, water storage, fear of freezing, unstable grounding resistance, high cost, high brittleness, poor toughness, Difficulties in installation and wiring, etc., so the application of these carbonaceous material grounding electrodes is limited

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Carbon fiber grounding electrode
  • Carbon fiber grounding electrode
  • Carbon fiber grounding electrode

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Figure 1-Figure 5 Among them, the carbon fiber felt is the carbon fiber mandrel 4, and the copper mesh is the coated metal mesh 3. The specific examples of producing the carbon fiber grounding electrode of the present invention are as follows:

[0025] It is formed by needle punching of polyacrylonitrile-based chopped strands and carbonized at 1400°C to make felt; the thickness is 10mm and the bulk density is 0.9g / cm 3 The carbon fiber felt is used as the carbon fiber mandrel 4; the 30-mesh barbed copper wire mesh is molded and inlaid into the surface of the carbon fiber felt electrode, the depth of the copper mesh needle is 2mm, and the surface density of the needle is 4 needles / cm 2 ;The electrode 2 drawn out by the copper plate is hooked with the end of the carbon fiber felt, the depth of the hook is 2mm, and the density of the hook surface is 6 needles / cm 2 The copper wire lead-out line 1 and the copper plate lead-out electrode 2 are welded and fixed, and the copp...

Embodiment 2

[0027] With the graphite fiber felt as the carbon fiber mandrel 4, and the aluminum mesh as the coated metal mesh 3, the specific examples of producing the carbon fiber grounding electrode of the present invention are as follows:

[0028] Using polyacrylonitrile-based carbon fiber felt carbonized at 1400°C as raw material, it is made into high-purity graphite fiber felt through high-vacuum graphitization treatment at 2350°C; the thickness is 20mm and the bulk density is 0.7g / cm 3 The graphite fiber felt is used as the carbon fiber mandrel 4; 40-mesh barbed aluminum wire mesh is molded and inlaid into the electrode surface of the graphite fiber felt, the penetration depth of the aluminum mesh needle is 3mm, and the surface density of the needle is 6 needles / cm 2 ;Use the aluminum plate to lead out the electrode 2 hooks and combine with the end of the graphite fiber felt, the depth of the hooks is 3mm, and the density of the hooks is 8 needles / cm 2 The aluminum wire lead-out lin...

Embodiment 3

[0030] With the carbon fiber two-dimensional semi-woven body as the carbon fiber mandrel 4, and the molybdenum wire mesh as the coated metal mesh 3, the specific examples of producing the carbon fiber grounding electrode of the present invention are as follows:

[0031] Using 3K Japanese Toray T300 carbon fiber as raw material, it is formed by two-dimensional semi-weaving process to prepare carbon fiber multi-dimensional weaving body; the thickness is 15mm and the density is 0.6g / cm 3 The carbon fiber two-dimensional semi-braided body is used as the carbon fiber mandrel 4; the electrode surface of the carbon fiber two-dimensional semi-braided body is pierced with a 40-mesh barbed molybdenum wire mesh molded mosaic, the penetration depth of the molybdenum mesh needle is 2mm, and the needle surface density is 6 needles / cm 2 ;Using the molybdenum plate to lead out the electrode 2 hooks and the end of the carbon fiber two-dimensional semi-braided body, the depth of the hooks is 3mm...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
densityaaaaaaaaaa
pore sizeaaaaaaaaaa
diameteraaaaaaaaaa
Login to View More

Abstract

The invention relates to a carbon fiber grounding electrode. The carbon fiber grounding electrode is characterized in that the electrode main body is a high-performance carbon fiber mandrel, which is wrapped by a high-conductivity metal mesh with barbs; a lead-out terminal includes a high-conductivity metal lead-out pole and a metal lead-out wire; the electrode main body is combined with the wrapping metal mesh by inlaying and stabbing during assembly, and is shaped by mould pressing; and the electrode lead-out terminal is combined with the carbon fiber electrode main body by inlaying and hooking. According to the invention, a high-performance carbon fiber felt or fabric body is used as the electrode main body, and the carbon fiber electrode is combined with the metal mesh layer and the lead-out terminal by inlaying barbs and hooking, thereby improving the impedance of soil around the grounding device, reducing the grounding resistance, keeping the humidity of soil around the electrode device, and ensuring low soil resistance, no toxics and damages, high corrosion resistance, high temperature resistance and no environment pollution. In addition, the carbon fiber grounding electrode provided by the invention has long service life, is convenient in construction and immune to weather and geological conditions, and is suitable for various kinds of protection grounding projects, work grounding projects, lightning prevention grounding projects, anti-jamming grounding project and anti-static grounding projects.

Description

technical field [0001] The invention belongs to the field of lightning protection and safe electricity use, and particularly relates to a carbon fiber grounding electrode. Background technique [0002] The grounding electrode (mainly grounding rod or grounding plate) refers to the terminal that connects the lead-out lines of lightning protection equipment, electrical equipment, communication testing equipment, etc., and leads them out into the soil. The grounding electrode connects the equipment to the ground, and discharges the surge current caused by overload or lightning strikes on various equipment into the soil. It is a key facility for the power grounding grid and building grounding grid, and the performance of the grounding electrode directly affects Transmission safety. With the increasing pollution of the surface soil, the grounding electrode will face complex environmental influences during use, such as humidity, high temperature, high temperature, water storage, ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): H01R4/66
Inventor 朱波蔡珣曹伟伟
Owner SHANDONG UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com