CN219717270U - Graphite-based grounding down-lead structure for mountain photovoltaic engineering - Google Patents

Graphite-based grounding down-lead structure for mountain photovoltaic engineering Download PDF

Info

Publication number
CN219717270U
CN219717270U CN202320787727.3U CN202320787727U CN219717270U CN 219717270 U CN219717270 U CN 219717270U CN 202320787727 U CN202320787727 U CN 202320787727U CN 219717270 U CN219717270 U CN 219717270U
Authority
CN
China
Prior art keywords
photovoltaic
graphite
lead
metal
mountain
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.)
Active
Application number
CN202320787727.3U
Other languages
Chinese (zh)
Inventor
杜炳海
高跃
杨松圣
惠暄
唐俊
刘洋
李宇强
李清
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yunnan Branch Of Huaneng New Energy Co ltd
Southwest Electric Power Design Institute Co Ltd of China Power Engineering Consulting Group
Original Assignee
Yunnan Branch Of Huaneng New Energy Co ltd
Southwest Electric Power Design Institute Co Ltd of China Power Engineering Consulting Group
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yunnan Branch Of Huaneng New Energy Co ltd, Southwest Electric Power Design Institute Co Ltd of China Power Engineering Consulting Group filed Critical Yunnan Branch Of Huaneng New Energy Co ltd
Priority to CN202320787727.3U priority Critical patent/CN219717270U/en
Application granted granted Critical
Publication of CN219717270U publication Critical patent/CN219717270U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Photovoltaic Devices (AREA)

Abstract

The utility model discloses a graphite-based grounding down-lead structure used in mountain photovoltaic engineering, which relates to the technical field of photovoltaic engineering power equipment and comprises a photovoltaic bracket vertically arranged on the ground and a metal down-lead connecting the photovoltaic bracket with a grounding electrode, wherein one end of the metal down-lead is fixed on the photovoltaic bracket through a through bolt, and the other end of the metal down-lead is arranged in soil and is connected with the flexible graphite-based grounding electrode through a clamp. Through the down-lead structure, the photovoltaic power station material is more convenient to transport, construct and install, has no fire safety hidden trouble, and has excellent conductivity, corrosion resistance and cost effectiveness.

Description

Graphite-based grounding down-lead structure for mountain photovoltaic engineering
Technical Field
The utility model relates to the technical field of photovoltaic engineering power equipment, in particular to a graphite-based grounding down-lead structure used in mountain photovoltaic engineering.
Background
With the increase of global energy demand, photovoltaic power generation has received a great deal of attention as a clean energy source. Grounding of the photovoltaic system is a key link for ensuring safe and stable operation of the photovoltaic system. The grounding materials in the current market are mainly based on copper and steel, but copper materials are high in price, steel materials are easy to corrode, and therefore material cost and maintenance cost are high. And the traditional galvanized flat steel materials are used for the grounding downlead of the photovoltaic area, a large amount of welding fire operation is required, a large fire hidden danger exists in the mountain forest, meanwhile, the mountain photovoltaic field is complex in topography, a large amount of basic rocks exist in certain fields, excavation is difficult, and construction progress is affected.
Therefore, a graphite-based grounding down-lead structure for mountain photovoltaic engineering is provided.
Disclosure of Invention
The utility model aims at: the graphite-based grounding down-lead structure for mountain photovoltaic engineering solves the problem of mountain photovoltaic power station construction, enables photovoltaic power station materials to be more convenient to transport, construct and install, has no fire safety hidden danger, and has excellent conductivity, corrosion resistance and cost effectiveness.
The technical scheme adopted by the utility model is as follows:
the utility model relates to a graphite-based grounding down-lead structure for mountain photovoltaic engineering, which comprises a photovoltaic bracket vertically arranged on the ground and a metal down-lead connected with the photovoltaic bracket, wherein one end of the metal down-lead is fixed on the photovoltaic bracket through a through bolt, and the other end of the metal down-lead is arranged in soil and is connected with a flexible graphite-based grounding electrode through a clamp.
Further, the clamp is a DMC nonmetallic clamp, and the crimping length of the DMC nonmetallic clamp is not less than 130mm.
Further, the fixture comprises a crimping piece and a wedge plate, wherein the crimping piece is provided with a crimping cavity with two ends communicated, and the metal down conductor and the flexible graphite base grounding electrode are both arranged in the crimping cavity and are fixedly crimped through the wedge plate.
Further, one end of the metal down wire connected with the flexible graphite base grounding electrode is horizontally paved, and the clamp is also horizontally buried in soil, so that the metal down wire is in horizontal compression joint with the flexible graphite base grounding electrode.
Further, the photovoltaic support is provided with a pair of through holes, one end of the metal down lead connected with the photovoltaic support is provided with a fixing hole, the metal down lead is attached to one side wall of the photovoltaic support, the pair of through bolts are inserted into the fixing hole and the pair of through holes, and the metal down lead is fixed on the photovoltaic support by penetrating through two sides of the photovoltaic support.
Furthermore, the photovoltaic bracket and the opposite-penetrating bolts are made of stainless steel materials.
Further, the metal down conductor is made of-40 x 4 hot dip galvanized flat steel.
Further, the flexible graphite-based grounding electrode is a-40 x 5 graphite-based flexible material.
In summary, by adopting the technical scheme, the utility model has the beneficial effects that:
the utility model relates to a graphite-based grounding down-lead structure for mountain photovoltaic engineering, wherein one end of a metal down-lead is fixed on a photovoltaic bracket through a through bolt, and the other end of the metal down-lead is horizontally crimped with a flexible graphite-based grounding electrode through a DMC nonmetallic clamp, so that welding fire operation can be avoided, fire hidden danger is avoided, and the structure is suitable for construction of mountain forest photovoltaic power stations.
The utility model relates to a graphite-based grounding down-lead structure used in mountain photovoltaic engineering, and the graphite-based grounding material has higher conductivity, is beneficial to safe operation of a photovoltaic system, has stronger corrosion resistance compared with the traditional copper grounding material, reduces maintenance cost, has lower cost and saves photovoltaic engineering investment. The flexible graphite-based grounding electrode is adopted to replace copper grounding, so that the flexible graphite-based grounding electrode has good engineering applicability and can be widely applied to mountain photovoltaic engineering with difficult excavation.
Drawings
For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present utility model, and should not be considered as limiting the scope, for those skilled in the art, without performing creative efforts, other related drawings may be obtained according to the drawings, where the proportional relationships of the components in the drawings in the present specification do not represent the proportional relationships in actual material selection design, and are merely schematic diagrams of structures or positions, where:
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic diagram of a crimping structure of a metal down-lead, a clamp, and a flexible graphite-based grounding electrode.
Reference numerals illustrate: the photovoltaic device comprises a 1-photovoltaic bracket, a 2-metal down conductor, a 3-through bolt, a 4-clamp, a 41-crimping piece, a 42-wedge plate and a 5-flexible graphite-based grounding electrode.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.
All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.
The present utility model will be described in detail with reference to the accompanying drawings, in which the present embodiment only illustrates a specific embodiment of the security management process for one item.
The specific embodiments are implemented as follows:
the utility model relates to a graphite-based grounding down-lead structure for mountain photovoltaic engineering, which is shown in fig. 1 and comprises a photovoltaic bracket 1 vertically arranged on the ground and a metal down-lead 2 connected with the photovoltaic bracket 1, wherein one end of the metal down-lead 2 is fixed on the photovoltaic bracket 1 through a through bolt 3, and the other end of the metal down-lead 2 is arranged in soil and is connected with a flexible graphite-based grounding electrode 5 through a clamp 4.
Preferably, the clamp 4 is a DMC nonmetallic clamp 4, and the crimping length of the DMC nonmetallic clamp 4 is not less than 130mm.
Preferably, as shown in fig. 2, the fixture 4 includes a press-connection member 41 and a wedge plate 42, the press-connection member 41 has a press-connection cavity with two ends communicated, and the metal down conductor 2 and the flexible graphite-based grounding electrode 5 are both placed in the press-connection cavity and are press-connected and fixed by the wedge plate 42.
Preferably, as shown in fig. 1-2, the end of the metal down-lead 2 connected with the flexible graphite-based grounding electrode 5 is laid horizontally, and similarly, the clamp 4 is buried in the soil horizontally, so that the metal down-lead 2 and the flexible graphite-based grounding electrode 5 are pressed and connected horizontally.
Preferably, the photovoltaic support 1 is provided with a pair of holes, one end of the metal down lead 2 connected with the photovoltaic support 1 is provided with a fixing hole, the metal down lead 2 is attached to one side wall of the photovoltaic support 1, the pair of through bolts 3 are inserted into the fixing hole and the pair of holes, penetrate through two sides of the photovoltaic support 1, and fix the metal down lead 2 on the photovoltaic support 1.
Preferably, the photovoltaic bracket 1 and the opposite-penetrating bolt 3 are made of stainless steel materials.
Preferably, the metal down conductor 2 is made of-40×4 hot dip galvanized flat steel. The-40 x 4 hot dip galvanized flat steel has the advantages of 40mm wide, 4mm thick, 40mm wide and 4mm thick, excellent electric conductivity and corrosion resistance, high strength and strong shearing and scratching resistance.
Preferably, the flexible graphite-based grounding electrode 5 is-40 x 5 graphite-based flexible material. Wherein, -40 x 5 represents a flexible graphite-based earthing electrode 5 being 40mm wide and 5mm thick.
According to the utility model, one end of the metal down-lead 2 is fixed on the photovoltaic bracket 1 through the 2 opposite-penetrating bolts 3, the other end of the metal down-lead 2 is horizontally pressed and connected with the flexible graphite-based grounding electrode 5 through the DMC nonmetallic clamp 4, so that welding fire operation can be avoided, fire hazards are avoided, the graphite-based grounding material has higher conductivity, the safe operation of a photovoltaic system is facilitated, and the metal down-lead is suitable for construction of mountain forest photovoltaic power stations. Compared with the traditional copper grounding material, the flexible graphite-based grounding electrode 5 has stronger corrosion resistance, reduces maintenance cost, has lower cost of the graphite-based flexible material, saves photovoltaic engineering investment, has good engineering applicability by adopting the flexible graphite-based grounding electrode 5 to replace copper grounding, and can be widely applied to photovoltaic engineering.
The above description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any changes or substitutions that are not creatively contemplated by those skilled in the art within the technical scope of the present utility model should be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.

Claims (8)

1. A graphite base ground connection downlead structure for among mountain region photovoltaic engineering, its characterized in that: including vertical photovoltaic support (1) of installing on ground to and metal downlead (2) that are connected with photovoltaic support (1), the one end of metal downlead (2) is fixed on photovoltaic support (1) through wearing bolt (3), the other end of metal downlead (2) is arranged in soil, and is connected with flexible graphite base earthing pole (5) through anchor clamps (4).
2. A graphite-based ground down-lead structure for use in mountain photovoltaic engineering as claimed in claim 1, wherein: the clamp (4) is a DMC non-metal clamp, and the crimping length of the DMC non-metal clamp is not less than 130mm.
3. A graphite-based ground down-lead structure for use in mountain photovoltaic engineering as claimed in claim 2, wherein: the fixture (4) comprises a crimping piece (41) and a wedge plate (42), wherein the crimping piece (41) is provided with a crimping cavity with two ends communicated, and the metal down conductor (2) and the flexible graphite-based grounding electrode (5) are both arranged in the crimping cavity and are fixedly crimped through the wedge plate (42).
4. A graphite-based ground down-lead structure for use in mountain photovoltaic engineering as claimed in claim 1, wherein: the metal down-lead (2) is horizontally laid at one end connected with the flexible graphite-based grounding electrode (5), and the clamp (4) is also horizontally buried in soil, so that the metal down-lead (2) is horizontally pressed against the flexible graphite-based grounding electrode (5).
5. A graphite-based ground down-lead structure for use in mountain photovoltaic engineering as claimed in claim 1, wherein: the photovoltaic support (1) is provided with a pair of through holes, one end, connected with the photovoltaic support (1), of the metal down lead (2) is provided with a fixing hole, the metal down lead (2) is attached to one side wall of the photovoltaic support (1), the pair of through bolts (3) are inserted into the fixing hole and the pair of through holes, penetrate through two sides of the photovoltaic support (1), and fix the metal down lead (2) on the photovoltaic support (1).
6. A graphite-based ground down-lead structure for use in mountain photovoltaic engineering as claimed in claim 1, wherein: the photovoltaic bracket (1) and the opposite-penetrating bolts (3) are made of stainless steel materials.
7. A graphite-based ground down-lead structure for use in mountain photovoltaic engineering as claimed in claim 1, wherein: the metal down-lead (2) is made of-40 x 4 hot dip galvanized flat steel.
8. A graphite-based ground down-lead structure for use in mountain photovoltaic engineering as claimed in claim 1, wherein: the flexible graphite-based grounding electrode (5) is a-40 x 5 graphite-based flexible material.
CN202320787727.3U 2023-04-11 2023-04-11 Graphite-based grounding down-lead structure for mountain photovoltaic engineering Active CN219717270U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320787727.3U CN219717270U (en) 2023-04-11 2023-04-11 Graphite-based grounding down-lead structure for mountain photovoltaic engineering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320787727.3U CN219717270U (en) 2023-04-11 2023-04-11 Graphite-based grounding down-lead structure for mountain photovoltaic engineering

Publications (1)

Publication Number Publication Date
CN219717270U true CN219717270U (en) 2023-09-19

Family

ID=87984199

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320787727.3U Active CN219717270U (en) 2023-04-11 2023-04-11 Graphite-based grounding down-lead structure for mountain photovoltaic engineering

Country Status (1)

Country Link
CN (1) CN219717270U (en)

Similar Documents

Publication Publication Date Title
CN201975524U (en) Arrangement structure for lightning protection grounding device of power tower
CN105244640A (en) Flexible graphite grounding grid
CN219717270U (en) Graphite-based grounding down-lead structure for mountain photovoltaic engineering
CN210518216U (en) Lightning protection system of photovoltaic building
CN205231265U (en) Portable earthing device
CN102403578A (en) Mounting method of lightning protection and grounding equipment in benzol hydrogenation process
CN205846264U (en) A kind of nano-graphite flexible ground module
CN104505605A (en) Apparatus and for reducing earthing resistance of pipeline station field and prolonging life of earthing body, and method
CN105305106A (en) Anti-theft grounding electrode for ground wire, and telegraph pole
CN205141159U (en) Flexible graphite ground net
CN203589374U (en) A TN-S system which is used for a steel structure workshop cable and which can be without a protective ground wire
CN213878452U (en) Three-prevention transformer grounding device
CN104184015A (en) Installation construction process for grounding device
CN205429194U (en) Novel ground structure suitable for steel pipe pole
US6866770B2 (en) Protective ground mat for induced potentials and method therefor
CN101820155B (en) Connecting plate special for connecting transmission line pole tower and grounding network
CN208336533U (en) The high voltage iron tower earthing or grounding means of anti-artificial destruction
CN202126862U (en) Grounding downlead
CN215869831U (en) Graphite-based flexible grounding device suitable for railway electric tower
CN214254768U (en) Graphite grounding downlead device for power transmission line
CN217306753U (en) Lightning protection grounding equipotential connecting device
CN208284653U (en) High voltage iron tower earthing or grounding means
CN211017433U (en) Ground net connecting joint
CN2796160Y (en) Overvoltage protective earthing device for insulation conductor deep leading into earth
CN203339311U (en) High-strength temperature-resistant type anticorrosive grounding electrode

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant