Semiconductor ultra-long needle lightning driving needle

Abstract

The invention relates to the technical field of lightning protection devices, in particular to a semiconductor ultra-long needle lightning driving needle. The semiconductor ultra-long needle lightning driving needle comprises a lightning driving needle body, the lightning driving needle body comprises a needle rod array unit and a metal supporting seat, and the needle rod array unit is arranged on the metal supporting seat; the needle rod array unit comprises a plurality of needle rods which are uniformly arranged, each needle rod comprises a first metal rod, a semiconductor connecting rod and a second metal rod which are arranged from top to bottom, the outer side of each semiconductor connecting rod is sleeved with a fixing sleeve, and the top of each first metal rod is provided with a plurality of needle-shaped electrodes; a first flange plate is arranged on the outer side of the metal supporting seat. According to the design, the structure is simple, installation is convenient and fast, the lightning eliminating effect can be achieved through cooperative work of the needle rod array unit, the metal supporting base and the grounding conductor, the good protection effect is achieved, the device is convenient to assemble and can be rapidly and stably arranged above a protected object, and the use effect of the lightning driving needle body is guaranteed.

Description

Technical Field

[0001] The invention belongs to the technical field of lightning protection devices, and in particular relates to a semiconductor super-long needle lightning rod. Background Art

[0002] The function of a lightning protection device is to prevent direct lightning strikes or to introduce lightning currents into the earth. Common lightning protection devices include lightning rods, lightning conductors, lightning nets and lightning strips, all of which use their prominent position above the protected objects to direct lightning to themselves, and then discharge the lightning current into the earth through down conductors and grounding devices, thereby protecting the protected objects from lightning strikes. However, such lightning protection devices are in direct contact with direct lightning strikes, and need to have high mechanical strength and corrosion resistance, as well as sufficient thermal stability to directly withstand lightning currents. In addition, such lightning protection devices also have the problem of generating high induced voltages, which can easily cause damage to surrounding electrical equipment. At present, the lightning rod in the lightning protection device can avoid direct contact with direct lightning strikes, and there is no need to lead lightning into the ground. It is designed based on the principle of discharge at the tip of the metal needle electrode. When lightning appears above the lightning rod and the protected equipment, the lightning rod generates plasma under the action of the electric field of the thundercloud, neutralizes the charge of the thundercloud, and weakens the downward leader of the thundercloud, thereby eliminating lightning. However, the existing lightning rods have problems such as fixed structure, inconvenient disassembly and assembly, and poor protection effect, and are often difficult to meet the needs of users. Summary of the invention

[0003] The object of the present invention is to provide a semiconductor ultra-long needle lightning rod to solve the problems raised in the above background technology.

[0004] In order to achieve the above object, the present invention is implemented through the following technical solutions: The semiconductor ultra-long needle lightning rod comprises a lightning rod body, wherein the lightning rod body comprises a needle rod array unit and a metal support seat, and the needle rod array unit is arranged on the metal support seat; The needle bar array unit comprises a plurality of needle bars arranged evenly, wherein the needle bars comprise a first metal bar, a semiconductor connecting bar, and a second metal bar arranged from top to bottom, wherein a fixed sleeve is sleeved on the outer side of the semiconductor connecting bar, and the upper part of the fixed sleeve is sleeved on the outer side of the first metal bar, and the lower part of the fixed sleeve is sleeved on the outer side of the upper part of the second metal bar; A plurality of needle-shaped electrodes are provided on the top of the first metal rod; The lower outer surface of the second metal rod is provided with an external thread, the upper part of the metal support seat is provided with a plurality of mounting holes, the inner wall of the mounting hole is provided with an internal thread matching the external thread, and the second metal rod is fixed to the metal support seat by screwing; A first flange is arranged on the outer side of the metal support seat.

[0005] Furthermore, the metal support seat is connected to a ground conductor.

[0006] Furthermore, the first metal rod, the second metal rod and the metal support seat are all made of aluminum-magnesium alloy.

[0007] Furthermore, a metal ball is provided on the top of the first metal rod, and the needle-shaped electrodes are evenly arranged on the metal ball.

[0008] Furthermore, the upper surface of the metal support seat is in an arc shape.

[0009] Furthermore, the lightning rod body includes an insulator mounting seat, the insulator mounting seat includes a support seat connector and an insulator support column, the support seat connector is arranged above the insulator support column, the metal support seat is fixed on the support seat connector, and the upper part of the support seat connector is provided with a second flange that is compatible with the first flange.

[0010] Furthermore, the support base connector is made of metal, and the support base connector is connected to a grounding conductor.

[0011] Furthermore, the support seat connecting member includes a connecting pipe, the second flange is provided on the outer side of the top of the connecting pipe, and at least two annular protrusions arranged in an upper and lower manner are provided on the outer surface of the connecting pipe; An insertion hole for inserting the connecting pipe is provided on the upper part of the insulator supporting column, and an annular groove matching with the annular protrusion is provided on the inner wall of the insertion hole.

[0012] Furthermore, the width of the lower portion of the connecting pipe gradually decreases from top to bottom.

[0013] Furthermore, a third flange is provided at the bottom of the insulator support column.

[0014] The beneficial effects of the present invention are: providing a semiconductor super-long needle lightning rod with a simple structure and convenient installation. Through the cooperation of the needle rod array unit, the metal support seat and the grounding conductor, it can achieve the lightning elimination effect and achieve a better protection effect. In addition, this device is easy to assemble and can be quickly and stably set above the protected object, thereby ensuring the use effect of the lightning rod body.

[0015] Other features and advantages of the present invention will be described in the following description, and partly become obvious from the description, or be understood by implementing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 A partial structural schematic diagram of the present invention is shown; Figure 2 A partial structural cross-sectional schematic diagram of the needle bar of the present invention is shown; Figure 3 A schematic diagram showing a partial structural use state of an insulator mounting seat of the present invention is shown; Figure 4 A partial structural exploded schematic diagram of the insulator mounting seat of the present invention is shown.

[0018] In the figure: 1. Metal support seat; 2. Second metal rod; 3. Fixed sleeve; 4. Needle electrode; 5. Mounting hole; 6. External thread; 7. First metal rod; 8. Semiconductor connecting rod; 9. Grounding conductor; 10. Second flange; 11. Insulator support column; 12. Third flange; 13. Connecting pipe; 14. Annular protrusion; 15. Insertion hole. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] Example 1 like Figure 1-2As shown, the semiconductor super-long needle lightning rod comprises a lightning rod body, which comprises a needle rod array unit and a metal support seat 1, wherein the needle rod array unit is arranged on the metal support seat 1; the needle rod array unit comprises a plurality of needle rods arranged evenly, wherein the needle rod comprises a first metal rod 7, a semiconductor connecting rod 8 and a second metal rod 2 arranged from top to bottom, wherein a fixing sleeve 3 is sleeved on the outer side of the semiconductor connecting rod 8, and the upper part of the fixing sleeve 3 is sleeved on the outer side of the first metal rod 7, and the lower part of the fixing sleeve 3 is sleeved on the outer side of the upper part of the second metal rod 2; a plurality of needle-shaped electrodes 4 are arranged on the top of the first metal rod 7; an external thread 6 is arranged on the outer surface of the lower part of the second metal rod 2, a plurality of mounting holes 5 are arranged on the upper part of the metal support seat 1, and an internal thread matching the external thread 6 is arranged on the inner wall of the mounting hole 5, and then the second metal rod 2 is fixed to the metal support seat 1 by screwing; a first flange is arranged on the outer side of the metal support seat 1. This design has a simple structure and is easy to install. Through the cooperation of the needle rod array unit, the metal support seat 1 and the grounding conductor 9, the lightning elimination effect can be achieved, and a better protection effect can be achieved. In addition, this device is easy to assemble and can be quickly and stably set above the protected object, ensuring the use effect of the lightning rod body. This design can be widely used in lightning protection in the range of high-voltage circuits, mobile base stations, buildings, warehouses, meteorological stations, LPG stations, communication base stations, etc.

[0021] In order to ensure the use effect of the lightning rod body, the metal support seat 1 is connected to the grounding conductor 9, and the metal support seat 1 can be directly fixed to the top of the protected object through the first flange. One end of the grounding conductor 9 is connected to the metal support seat 1, and the other end of the grounding conductor 9 is connected to the grounding device. At the same time, the grounding conductor 9 is pressed by the first flange to make its connection stable and achieve reliable grounding.

[0022] The first metal rod 7, the second metal rod 2 and the metal support seat 1 are all made of aluminum-magnesium alloy. Aluminum-magnesium alloy has good toughness, acid corrosion resistance, hardness and bending resistance, and has light density and high conductivity, thereby ensuring the protective effect of the lightning rod body. A metal ball is provided on the top of the first metal rod 7, and the needle-shaped electrodes 4 are evenly arranged on the metal ball, so that the needle-shaped electrodes 4 can be arranged conveniently and achieve a better discharge effect. In order to ensure the use effect of the needle-shaped electrodes 4, the needle-shaped electrodes 4 are all made of copper electrodes. An embedding groove for embedding the top of the first metal rod 7 is provided at the bottom of the metal ball, so as to facilitate the connection between the metal ball and the first metal rod 7.

[0023] The upper surface of the metal support seat 1 is in an arc shape, so as to facilitate the uniform arrangement of the needle rods and improve the side-strike protection effect of the lightning rod body.

[0024] Example 2 like Figure 1-4As shown, the semiconductor ultra-long needle lightning rod comprises a lightning rod body, the lightning rod body comprises a needle rod array unit and a metal support seat 1, the needle rod array unit is arranged on the metal support seat 1; the needle rod array unit comprises a plurality of needle rods arranged evenly, the needle rods comprise a first metal rod 7, a semiconductor connecting rod 8, and a second metal rod 2 arranged from top to bottom, a fixed sleeve 3 is sleeved on the outer side of the semiconductor connecting rod 8, and the upper part of the fixed sleeve 3 is sleeved on the outer side of the first metal rod 7, and the lower part of the fixed sleeve 3 is sleeved on the outer side of the upper part of the second metal rod 2; a plurality of needle electrodes 4 are arranged on the top of the first metal rod 7; An external thread 6 is provided on the outer surface of the lower part, a plurality of mounting holes 5 are provided on the upper part of the metal support seat 1, an internal thread matching the external thread 6 is provided on the inner wall of the mounting hole 5, and then the second metal rod 2 is fixed to the metal support seat 1 by threaded connection; a first flange is provided on the outer side of the metal support seat 1; the lightning rod body includes an insulator mounting seat, the insulator mounting seat includes a support seat connector and an insulator support column 11, the support seat connector is arranged above the insulator support column 11, the metal support seat 1 is fixed on the support seat connector, and the upper part of the support seat connector is provided with a second flange 10 matching the first flange. This design has a simple structure and is easy to install. Through the cooperation of the needle rod array unit, the metal support seat 1 and the grounding conductor 9, the lightning elimination effect can be achieved, and a better protective effect can be achieved. By arranging the insulator support column 11, the metal support seat 1 is kept away from the protected object. Even after the lightning rod body is struck by lightning, the damage to the protected object under the lightning rod body can be reduced. At the same time, the first flange plate and the second flange plate 10 are connected by bolts, which facilitates the fixed installation between the metal support seat 1 and the support seat connecting piece, so that the lightning rod body can be quickly and stably arranged above the protected object, thereby ensuring the use effect of the lightning rod body.

[0025] In order to ensure the use effect of the lightning rod body, the support base connector is made of metal, and the support base connector is connected to the grounding conductor 9. One end of the grounding conductor 9 is connected to the support base connector, and the other end of the grounding conductor 9 is connected to the grounding device. Specifically, the support base connector is made of aluminum-magnesium alloy.

[0026] The support seat connector includes a connecting pipe 13, a second flange 10 is provided on the outer side of the top of the connecting pipe 13, and at least two annular protrusions 14 arranged in an upper and lower manner are provided on the outer surface of the connecting pipe 13; an insertion hole 15 for inserting the connecting pipe 13 is provided on the upper part of the insulator support column 11, and an annular groove matching the annular protrusion 14 is provided on the inner wall of the insertion hole 15, so as to facilitate fixing the support seat connector on the insulator support column 11 and ensure the firmness of the connection between the support seat connector and the insulator support column 11.

[0027] In order to facilitate the installation of the support seat connector, the connecting pipe 13 is inserted into the insertion hole at the upper part of the insulator support column 11. The insulator support column 11 is made of rubber, and the width of the lower part of the connecting pipe 13 gradually decreases from top to bottom.

[0028] A third flange 12 is provided at the bottom of the insulator support column 11 , so that the lightning rod body can be conveniently arranged above the protected object with the help of the third flange 12 .

[0029] After testing, the semiconductor ultra-long needle lightning rod provided by the present invention can achieve a better cut-off time Tc and a probability of no lightning strike. The test method is shown in Table 1 below: Table 1

[0030] The non-lightning probability data of the semiconductor ultra-long needle lightning rod provided by the present invention in the test are shown in Table 2 below: Table 2

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein; and these modifications or substitutions do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A semiconductor ultra-long needle lightning rod, comprising a lightning rod body, characterized in that: The lightning rod body comprises a needle rod array unit and a metal support seat, and the needle rod array unit is arranged on the metal support seat; The needle bar array unit comprises a plurality of needle bars arranged evenly, wherein the needle bars comprise a first metal bar, a semiconductor connecting bar, and a second metal bar arranged from top to bottom, wherein a fixed sleeve is sleeved on the outer side of the semiconductor connecting bar, and the upper part of the fixed sleeve is sleeved on the outer side of the first metal bar, and the lower part of the fixed sleeve is sleeved on the outer side of the upper part of the second metal bar; A plurality of needle-shaped electrodes are provided on the top of the first metal rod; The lower outer surface of the second metal rod is provided with an external thread, the upper part of the metal support seat is provided with a plurality of mounting holes, the inner wall of the mounting hole is provided with an internal thread matching the external thread, and the second metal rod is fixed to the metal support seat by screwing; A first flange is arranged on the outer side of the metal support seat.

2. The semiconductor ultra-long needle lightning rod as claimed in claim 1, characterized in that: The metal support seat is connected to the grounding conductor.

3. The semiconductor ultra-long needle lightning rod as claimed in claim 1, characterized in that: The first metal rod, the second metal rod and the metal support seat are all made of aluminum-magnesium alloy.

4. The semiconductor ultra-long needle lightning rod as claimed in claim 1, characterized in that: A metal ball is disposed on the top of the first metal rod, and the needle-shaped electrodes are evenly arranged on the metal ball.

5. The semiconductor ultra-long needle lightning rod as claimed in claim 1 or 3, characterized in that: The upper surface of the metal support seat is in an arc shape.

6. The semiconductor ultra-long needle lightning rod as claimed in claim 1, characterized in that: The lightning rod body includes an insulator mounting seat, and the insulator mounting seat includes a support seat connector and an insulator support column. The support seat connector is arranged above the insulator support column, the metal support seat is fixed on the support seat connector, and the upper part of the support seat connector is provided with a second flange that is compatible with the first flange.

7. The semiconductor ultra-long needle lightning rod as claimed in claim 6, characterized in that: The support base connector is made of metal and is connected to a grounding conductor.

8. The semiconductor ultra-long needle lightning rod as claimed in claim 6, characterized in that: The support seat connecting member comprises a connecting pipe, the second flange is arranged on the outer side of the top of the connecting pipe, and at least two annular protrusions arranged in an upper and lower arrangement are arranged on the outer surface of the connecting pipe; An insertion hole for inserting the connecting pipe is provided on the upper part of the insulator supporting column, and an annular groove matching with the annular protrusion is provided on the inner wall of the insertion hole.

9. The semiconductor ultra-long needle lightning rod as claimed in claim 6, characterized in that: The width of the lower part of the connecting pipe gradually decreases from top to bottom.

10. The semiconductor ultra-long needle lightning rod as claimed in claim 6, characterized in that: A third flange is provided at the bottom of the insulator support column.

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