CN212257995U - Lightning protection lightning arrester for oil well platform - Google Patents
Lightning protection lightning arrester for oil well platform Download PDFInfo
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- CN212257995U CN212257995U CN202020647278.9U CN202020647278U CN212257995U CN 212257995 U CN212257995 U CN 212257995U CN 202020647278 U CN202020647278 U CN 202020647278U CN 212257995 U CN212257995 U CN 212257995U
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Abstract
The utility model relates to an oil well platform is with lightning protection thunder device, include: the electromagnetic receiving net is used for cutting magnetic lines in the atmosphere and releasing corona ions under the action of a thundercloud electric field when thundercloud is generated; the supporting device is used for supporting and fixing the electromagnetic receiving net and has the function of conducting electric charges; the rotation power device is used for driving the electromagnetic receiving net to rotate along with wind; the lightning arrester is used for effectively converting and/or absorbing the charge energy converted by the electromagnetic receiving net; and the fixing device is used for fixing the supporting device on the oil well platform. The utility model provides an oil well is lightning protection thunder device for platform can prevent effectively that the phenomenon of cloud ground sudden strain of a muscle from taking place in the protected area, the forceful electric magnetism pulse radiation that brings when also having reduced lightning current simultaneously and releasing, induced voltage, the potential counterattack scheduling problem produces to improve lightning protection effect more effectively.
Description
Technical Field
The utility model belongs to the technical field of the protection of direct thunder, concretely relates to lightning protection thunder device for oil well platform.
Background
Lightning is a natural phenomenon in nature. When lightning occurs, ultra-strong current and voltage can be generated, and damage to life and property of people can be easily caused. Particularly in the field of oil exploitation, once phenomena such as flash strike occur and act on an oil platform, catastrophic damage can be brought to the oil field, so that lightning protection of the oil platform is always an object of research of people.
The existing lightning protection system is based on the principle of lightning → earth discharge to prevent the occurrence of the phenomenon of flash, and a lightning protection module is usually arranged in a distribution box to form a power supply lightning protection box or install a lightning rod on an oil well platform. In practical application, when the structure is hit by lightning, strong lightning current is discharged to the ground, large electromagnetic pulse radiation and induction voltage are generated, even potential counterattack is generated, and the risk of harm to an oil well platform also exists. This is also the biggest problem of the existing lightning protection technology.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the above-mentioned prior art, the utility model provides a can maximize, quick absorb, conversion and reduce atmospheric electric field intensity when thundercloud produces to release corona ion's lightning protection thunder device for oil well platform simultaneously.
In order to realize the purpose of the utility model, the utility model provides a technical scheme as follows:
a lightning protection device for an oil well platform, comprising: the electromagnetic receiving net is used for cutting magnetic lines in the atmosphere and releasing corona ions under the action of a thundercloud electric field when thundercloud is generated; the supporting device is used for supporting and fixing the electromagnetic receiving net and has the function of conducting electric charges; the rotation power device is used for driving the electromagnetic receiving net to rotate along with wind; the lightning arrester is used for effectively converting and/or absorbing the charge energy converted by the electromagnetic receiving net; and the fixing device is used for fixing the supporting device on the oil well platform.
Preferably, the method further comprises the following steps: the linkage device is connected with the supporting device and the lightning arrester and is used for enabling the supporting device to rotate relative to the lightning arrester; the supporting device is connected with the electromagnetic receiving net, and the rotating power device is connected with the supporting device.
Preferably, the linkage device is a rotary connector, the rotary connector comprises two plane bearings, a bearing sleeve and a shaft, the two plane shafts are arranged at two ends of the bearing sleeve, and the two plane bearings are in interference fit with the shaft; the supporting device is fixedly connected with the shaft through a coupler, and the bearing sleeve is fixedly connected with the lightning arrester.
Preferably, a first connecting body is fixed at one end, close to the lightning arrester, of the bearing sleeve, a second connecting body is arranged at one end, close to the bearing sleeve, of the lightning arrester, and the first connecting body and the second connecting body are in threaded connection or threaded connection.
Preferably, the second connecting body is provided with mutually matched flanges.
Preferably, the supporting device is a 304 stainless steel solid rod, the supporting device is provided with mutually matched flanges, and the flanges are rotatably connected with the supporting device; the electromagnetic receiving nets are multiple and are arranged along the circumferential direction of the stainless steel solid rod.
Preferably, the mesh surface of the electromagnetic receiving net is a square hole of 10 mm × 10 mm.
Preferably, the maximum ionization current of the electromagnetic receiving net for generating corona ions is 30mA, the protection angle is maximum 84 degrees, and the maximum protection radius is 10H; and H is the height of the lightning protection lightning arrester for the oil well platform, and the height of H is higher than the highest height H of the oil well platform.
Preferably, the rotating power device comprises a plurality of circular bowl-shaped devices, and the circular bowl-shaped devices are axially arranged on the supporting device and are used for providing power for 360-degree rotation for the electromagnetic receiving net under the action of wind power.
Preferably, the rotating power device is rotatably connected with the supporting device, so that the rotating power device can rotate 360 degrees relative to the supporting device by taking the supporting device as a center; the electromagnetic receiving net is rotationally connected with the supporting device, so that the electromagnetic receiving net can rotate 360 degrees relative to the supporting device by taking the supporting device as a center; the rotating power device is connected with the electromagnetic receiving net.
The device is higher than the oil well platform in arrangement height, the oil well platform can be protected, the installation height refers to fig. 3 during protection, the device is generally installed at the windward end of monsoon in a protected range, when thundercloud is generated, strong wind must be accompanied, under the action of wind, the device can rotate 360 degrees to drive the electromagnetic receiving net to rotate, the strength of cutting magnetic lines is increased, magnetic field energy is converted greatly, ionization current is generated, the ionization current is transmitted to the lightning transforming device 5 through the supporting device 2, and the energy is further absorbed and converted.
In addition, when the lightning protection lightning device for the oil well platform generates thunderstorm cloud, under the action of a thundercloud electric field, the lightning protection lightning device releases corona ions, the corona ions cover the upper part of the oil well platform to form shielding protection (figure 3) on the oil well platform, inhibit the starting of an uplink pilot, weaken the development speed of the downlink pilot, inhibit the formation of a discharge channel between the thundercloud and the ground, effectively prevent the cloud-ground lightning in a protection area, and simultaneously reduce the problems of strong electromagnetic pulse radiation, induced voltage, electric potential counterattack and the like caused by lightning current discharge, thereby more effectively improving the lightning protection effect.
Drawings
Fig. 1 is one of the schematic structural diagrams of the lightning protection lightning arrester for oil well platform of the present invention;
fig. 2 is a second schematic structural diagram of the lightning arrester for oil well platform according to the present invention;
FIG. 3 is a lightning protection schematic diagram of the lightning protection device for the oil well platform of the present invention;
reference numerals in the figures; the lightning protection device comprises an electromagnetic receiving net 1, a supporting device 2, a rotary power device 3, a linkage device 4, a plane bearing 4-1, a bearing sleeve 4-2, a shaft 4-3, a first connecting body 4-4, a lightning protection device 5, a second connecting body 5-1, a flange 6, the height H of the lightning protection device for the oil well platform and the highest height H of the oil well platform.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Embodiment 1, the utility model provides an oil platform is with lightning protection thunder device, refer to fig. 1 and fig. 2, include: the electromagnetic receiving net 1 is used for cutting magnetic lines in the atmosphere, and can release corona ions under the action of a thundercloud electric field when thundercloud is generated, wherein the electromagnetic receiving nets are preferably multiple and are arranged along the circumferential direction of a stainless steel solid rod, generally, the number of the electromagnetic receiving nets is 3, and the included angles of the adjacent electromagnetic receiving nets are 120 degrees; or 4 electromagnetic receiving nets, and the distance between the adjacent electromagnetic receiving nets is set to form an included angle of 90 degrees;
the supporting device 2 is used for supporting and fixing the electromagnetic receiving net and has the function of conducting electric charges, namely, the supporting device is made of a conductor, and is preferably a 304 stainless steel solid rod;
the rotating power device 3 is used for driving the electromagnetic receiving net to rotate along with wind;
the lightning arrester 5 is used for effectively converting and/or absorbing the charge energy converted by the electromagnetic receiving net;
a linkage device 4 connected with the supporting device and the lightning arrester, and used for enabling the supporting device to rotate relative to the lightning arrester;
the fixing device is used for fixing the supporting device on the oil well platform;
the supporting device is connected with the electromagnetic receiving net, and the rotating power device is connected with the supporting device.
The lightning protection lightning arrester for the oil well platform is higher than the oil well platform in arrangement, the oil well platform can be protected, the installation height refers to the figure 3 in protection, the lightning protection lightning arrester is generally installed at the windward end of a monsoon in a protected range, when thundercloud is generated, the lightning protection lightning arrester must accompany strong wind, and under the action of wind, the lightning protection lightning arrester can rotate 360 degrees to drive an electromagnetic receiving net to rotate, so that the strength of cutting magnetic lines of force is increased, magnetic field energy is converted greatly, ionization current is generated, the lightning protection lightning arrester is conducted to a lightning protection lightning arrester 5 through a supporting device 2, and the energy is further absorbed and converted.
In addition, when the lightning protection lightning device for the oil well platform generates thunderstorm cloud, under the action of a thundercloud electric field, the lightning protection lightning device releases corona ions, the corona ions cover the upper part of the oil well platform to form shielding protection (figure 3) on the oil well platform, inhibit the starting of an uplink pilot, weaken the development speed of the downlink pilot, inhibit the formation of a discharge channel between the thundercloud and the ground, effectively prevent the cloud-ground lightning in a protection area, and simultaneously reduce the problems of strong electromagnetic pulse radiation, induced voltage, electric potential counterattack and the like caused by lightning current discharge, thereby more effectively improving the lightning protection effect. The ascending leader refers to the upward migration of the corona current, and the descending leader: refers to the downward migration of corona current and corona ions may also be referred to as corona charges.
The following is the lightning protection effect comparison table of the electromagnetic receiving and corona releasing device (called the device in the table) for lightning protection system and the existing lightning protection system device of the utility model
As a specific implementation manner, the linkage device is a rotary connector, the rotary connector comprises two planar bearings 4-1, a bearing sleeve 4-2 and a shaft 4-3, the two planar shafts are mounted at two ends of the bearing sleeve, and the two planar bearings are in interference fit with the shaft; the supporting device is fixedly connected with the shaft through a coupler, and the bearing sleeve is fixedly connected with the lightning arrester; the structure prevents the shaft from inclining during rotation through the two plane bearings, and the fixing effect is good; in order to facilitate the height setting of the device, a first connecting body 4-4 is fixed at one end of the bearing sleeve, which is close to the lightning arrester, a second connecting body 5-1 is arranged at one end of the lightning arrester, which is close to the bearing sleeve, the first connecting body and the second connecting body are in threaded connection or tooth connection, the height of the second connecting body can be set to meet the installation height requirement of the device during the manufacturing process, the second connecting body can also be set into a plurality of sections, adjacent sections are in threaded connection so as to adjust the installation height of the device during the installation process, the fixing device can use mutually matched flanges 6, the device is fixed on an oil well platform through the mutually matched flanges, the oil well platform and the second connecting body are ensured to be insulated, and a hole is generally arranged on the oil well platform so that the second connecting body passes through the hole to be fixed; as another fixing mode, referring to fig. 2, the supporting device is provided with a flange 6 which is matched with the supporting device, the flange is rotatably connected with the supporting device, and generally, the fixing mode can be realized by arranging a bearing in a flange hole, the device is fixed on an oil well platform through the flange which is matched with the flange, the oil well platform is ensured to be insulated from the flange and the supporting device, the fixing position is relatively higher, and the wind resistance effect of the upper end of the lightning protection device is good.
As a specific implementation manner, the mesh surface hole of the electromagnetic receiving net 1 is a square hole of 10 mm × 10 mm, so that when the electromagnetic receiving net rotates, it is ensured that wind passes through the electromagnetic receiving net to prevent the wind resistance from being too large to affect the rotation of the electromagnetic receiving net, and a better magnetic field cutting effect can be achieved.
In the application, the lightning protection devices or the lightning protection system devices can use the existing devices, and the lightning protection devices can be further arranged into a plurality of groups, so that the better conversion and/or the absorption of the charge energy converted by the electromagnetic receiving network are achieved.
In one specific embodiment, the electromagnetic receiving net generates corona ions with a maximum ionization current of 30mA, a maximum protection angle of 84 degrees and a maximum protection radius of 10H; and H is the height of the lightning protection lightning arrester for the oil well platform, and the height of H is higher than the highest height H of the oil well platform.
In the present application, the rotation power device 3 may use the existing rotation power device, such as a fan blade, and the following structure is preferred in the present application: the electromagnetic receiving net comprises a plurality of circular bowl-shaped devices, wherein the circular bowl-shaped devices are axially arranged on a supporting device and used for providing power for 360-degree rotation for the electromagnetic receiving net under the action of wind power, the number of the circular bowl-shaped devices can be 3, the distance between every two adjacent circular bowl-shaped devices is 120 degrees, the number of the circular bowl-shaped devices can also be 4, and the distance between every two adjacent circular bowl-shaped devices is 90 degrees.
Embodiment 2, embodiment 2 is the same with embodiment 1's principle, and the lightning protection effect that reaches is the same, and the difference lies in that the power device that rotates is direct to be connected with the electromagnetism receiving net, specifically, this lightning protection lightning arrester for oil well platform includes: the electromagnetic receiving nets are used for cutting magnetic lines in the atmosphere, and can release corona ions under the action of a thundercloud electric field when thundercloud is generated, wherein the electromagnetic receiving nets are preferably multiple and are arranged along the circumferential direction of a stainless steel solid rod, generally, the number of the electromagnetic receiving nets is 3, and the included angles of the adjacent electromagnetic receiving nets are 120 degrees; or 4 electromagnetic receiving nets, and the distance between the adjacent electromagnetic receiving nets is set to form an included angle of 90 degrees;
the supporting device is used for supporting and fixing the electromagnetic receiving net and has a charge conduction function, namely, the supporting device is made of a conductor, preferably a 304 stainless steel solid rod;
the rotation power device is used for driving the electromagnetic receiving net to rotate along with wind;
the lightning arrester is used for effectively converting and/or absorbing the charge energy converted by the electromagnetic receiving net;
the fixing device is used for fixing the supporting device on the oil well platform;
the rotating power device is rotationally connected with the supporting device, so that the rotating power device can rotate 360 degrees relative to the supporting device by taking the supporting device as a center;
the electromagnetic receiving net is rotationally connected with the supporting device, so that the electromagnetic receiving net can rotate 360 degrees relative to the supporting device by taking the supporting device as a center;
the rotating power device is connected with the electromagnetic receiving net.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides an oil platform is with lightning protection thunder device which characterized in that includes:
the electromagnetic receiving net (1) is used for cutting magnetic lines in the atmosphere and releasing corona ions under the action of a thundercloud electric field when thundercloud is generated;
the supporting device (2) is used for supporting and fixing the electromagnetic receiving net and has the function of conducting electric charges;
the rotating power device (3) is used for driving the electromagnetic receiving net to rotate along with wind;
the lightning arrester (5) is used for effectively converting and/or absorbing the charge energy converted by the electromagnetic receiving net;
and the fixing device is used for fixing the supporting device on the oil well platform.
2. The lightning protection device for the oil well platform according to claim 1, further comprising:
a linkage (4) connected to the support means and the lightning arrestor for enabling the support means to rotate relative to the lightning arrestor;
the supporting device is connected with the electromagnetic receiving net, and the rotating power device is connected with the supporting device.
3. The lightning protection device for the oil platform is characterized in that the linkage device is a rotary connector, the rotary connector comprises two plane bearings (4-1), a bearing sleeve (4-2) and a shaft (4-3), the two plane shafts are arranged at two ends of the bearing sleeve, and the two plane bearings are in interference fit with the shaft;
the supporting device is fixedly connected with the shaft through a coupler, and the bearing sleeve is fixedly connected with the lightning arrester.
4. The lightning protection device for oil well platform according to claim 3,
and a first connecting body (4-4) is fixed at one end of the bearing sleeve, which is close to the lightning arrester, a second connecting body (5-1) is arranged at one end of the lightning arrester, which is close to the bearing sleeve, and the first connecting body and the second connecting body are in threaded connection or tooth connection.
5. The lightning protection device for oil well platform according to claim 4,
and the second connecting body is provided with mutually matched flanges (6).
6. The lightning protection device for oil well platform according to claim 1,
the supporting device (2) is a 304 stainless steel solid rod, the supporting device is provided with mutually matched flanges (6), and the flanges are rotationally connected with the supporting device;
the electromagnetic receiving nets are multiple and are arranged along the circumferential direction of the stainless steel solid rod.
7. The lightning protection device for the oil well platform is characterized in that the mesh surface hole of the electromagnetic receiving mesh (1) is a square hole of 10 mm x 10 mm.
8. The lightning protection device for the oil well platform is characterized in that the electromagnetic receiving net generates the maximum ionization current of corona ions of 30mA, the protection angle is maximum 84 degrees, and the maximum protection radius is 10H;
and H is the height of the lightning protection lightning arrester for the oil well platform, and the height of H is higher than the highest height H of the oil well platform.
9. The lightning protection device for oil well platforms according to claim 1, characterized in that the rotating power device (3) comprises a plurality of circular bowl-shaped devices, which are axially mounted on the supporting device and used for providing power for 360 ° rotation of the electromagnetic receiving net under the action of wind power.
10. The lightning protection device for oil well platform according to claim 1,
the rotating power device is rotationally connected with the supporting device, so that the rotating power device can rotate 360 degrees relative to the supporting device by taking the supporting device as a center;
the electromagnetic receiving net is rotationally connected with the supporting device, so that the electromagnetic receiving net can rotate 360 degrees relative to the supporting device by taking the supporting device as a center;
the rotating power device is connected with the electromagnetic receiving net.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020647278.9U CN212257995U (en) | 2020-04-24 | 2020-04-24 | Lightning protection lightning arrester for oil well platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020647278.9U CN212257995U (en) | 2020-04-24 | 2020-04-24 | Lightning protection lightning arrester for oil well platform |
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| Publication Number | Publication Date |
|---|---|
| CN212257995U true CN212257995U (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020647278.9U Active CN212257995U (en) | 2020-04-24 | 2020-04-24 | Lightning protection lightning arrester for oil well platform |
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| CN (1) | CN212257995U (en) |
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2020
- 2020-04-24 CN CN202020647278.9U patent/CN212257995U/en active Active
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