CN111404032A - Electromagnetic receiving and corona releasing device suitable for lightning arrester system - Google Patents
Electromagnetic receiving and corona releasing device suitable for lightning arrester system Download PDFInfo
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- CN111404032A CN111404032A CN202010332954.8A CN202010332954A CN111404032A CN 111404032 A CN111404032 A CN 111404032A CN 202010332954 A CN202010332954 A CN 202010332954A CN 111404032 A CN111404032 A CN 111404032A
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- electromagnetic receiving
- lightning
- corona
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T19/00—Devices providing for corona discharge
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T19/00—Devices providing for corona discharge
- H01T19/04—Devices providing for corona discharge having pointed electrodes
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- Elimination Of Static Electricity (AREA)
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Abstract
The invention relates to an electromagnetic receiving and corona discharge device suitable for a lightning system, 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. The electromagnetic receiving and corona releasing device suitable for the lightning protection system can effectively prevent the cloud-ground flash in a protection area, and simultaneously reduces the problems of strong electromagnetic pulse radiation, induced voltage, potential counterattack and the like caused by lightning current discharge, thereby effectively improving the lightning protection effect.
Description
Technical Field
The invention belongs to the technical field of direct lightning protection, and particularly relates to an electromagnetic receiving and corona releasing device suitable for a lightning protection system.
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, with the continuous improvement of the life quality of people, a large number of household appliances enter families of common people, which puts higher requirements on the electricity utilization environment of the existing families.
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 a lightning rod is arranged on a building. In practical application, when the structure is hit by thunder, strong lightning current is discharged to the ground, large electromagnetic pulse radiation and induction voltage are generated, and even potential counterattack is generated to damage protected objects. This is also the biggest problem of the existing lightning protection technology.
Disclosure of Invention
In view of the above problems in the prior art, the present invention provides an electromagnetic receiving and corona discharging device suitable for a lightning protection system, which can maximally and rapidly absorb, convert and reduce the intensity of atmospheric electric field when thundercloud is generated, and simultaneously discharge corona ions.
In order to achieve the above object, the present invention provides a technical solution as follows:
an electromagnetic receiving and corona discharge apparatus suitable for use in a lightning system, 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.
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 supporting device is a 304 stainless steel solid rod; 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 lightning arrester is a plurality of groups.
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; wherein H is the height of the electromagnetic receiving and corona releasing device suitable for the lightning protection system, and the height is higher than the highest height H of the protected object.
Preferably, the rotary power device comprises a plurality of circular bowl-shaped devices, and the circular bowl-shaped devices are axially arranged on the support body 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 electromagnetic receiving and corona releasing device suitable for the lightning protection system is arranged higher than a protected object, the installation height refers to fig. 2 when a plurality of single bodies are protected, the device is generally arranged at the windward end of monsoon in a protected range, when thunderclouds are generated, the device can rotate by 360 degrees to drive an electromagnetic receiving net to rotate under the action of wind along with strong wind, the strength of cutting magnetic lines of force is increased, magnetic field energy is converted greatly, ionization current is generated, and the ionization current is transmitted to a lightning protection device 5 through a supporting device 2, so that the energy is further absorbed and converted.
In addition, when the electromagnetic receiving and corona releasing device suitable for the lightning system generates thunderstorm cloud, under the action of a thundercloud electric field, the device releases corona ions which cover the protected object to form shielding protection (figure 2) on the protected object, inhibit the starting of an uplink pilot, weaken the development speed of a downlink pilot, inhibit the formation of a discharge channel between the thundercloud and the ground, effectively prevent the cloud-ground flash in a protection area, and simultaneously reduce the problems of strong electromagnetic pulse radiation, induced voltage, potential counterattack and the like caused by lightning current discharge, thereby more effectively improving the lightning protection effect.
Drawings
FIG. 1 is a schematic structural diagram of an electromagnetic receiving and corona discharge device suitable for a lightning system according to the invention;
FIG. 2 is a lightning protection schematic diagram of an electromagnetic receiving and corona discharge device suitable for a lightning system of the 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, the height H of an electromagnetic receiving and corona releasing device suitable for a lightning protection system and the highest height H of a protected object.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, 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 merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Embodiment 1 the present invention provides an electromagnetic receiving and corona discharge arrangement suitable for use in a lightning system, and referring to figure 1, comprising: 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 supporting device is connected with the electromagnetic receiving net, and the rotating power device is connected with the supporting device.
The electromagnetic receiving and corona releasing device suitable for the lightning protection system is higher than a protected object in arrangement height, the installation height refers to fig. 2 when a plurality of single bodies are protected, the device is generally installed at the windward end of the monsoon within the protected range, when thunderclouds are generated, the device is accompanied with strong wind, under the action of the wind, the device can rotate 360 degrees to drive the electromagnetic receiving net to rotate, the strength of cutting magnetic lines of force is increased, magnetic field energy is converted greatly, ionization current is generated, the ionization current is transmitted to the lightning protection device 5 through the supporting device 2, and the energy is further absorbed and converted.
In addition, when the electromagnetic receiving and corona releasing device suitable for the lightning system generates thunderstorm cloud, under the action of a thundercloud electric field, the device releases corona ions which cover the protected object to form shielding protection (figure 2) on the protected object, inhibit the starting of an uplink pilot, weaken the development speed of a downlink pilot, inhibit the formation of a discharge channel between the thundercloud and the ground, effectively prevent the cloud-ground flash in a protection area, and simultaneously reduce the problems of strong electromagnetic pulse radiation, induced voltage, 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 a table comparing the lightning protection effect of the electromagnetic receiving and corona discharge device (referred to as the device in the table) for lightning protection system of the invention with that of the prior lightning protection system device
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 setting of the height 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 requirement of the mounting height of the device can be met by setting the height of the second connecting body during the manufacturing process, the second connecting body can also be set into a plurality of sections, and the adjacent sections are in threaded connection so as to facilitate the adjustment of the mounting height of the device during the mounting process.
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, wind can be ensured to pass through to prevent the wind resistance from being too large to influence 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; wherein H is the height of the electromagnetic receiving and corona releasing device suitable for the lightning protection system, and the height is higher than the highest height H of the protected object.
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 device comprises a plurality of circular bowl-shaped devices, wherein the circular bowl-shaped devices are axially arranged on a support body and used for providing power for rotating the electromagnetic receiving net by 360 degrees 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 directly connected with the electromagnetic receiving net, specifically, this electromagnetic receiving and corona discharge device suitable for lightning protection system 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 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 a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An electromagnetic receiving and corona discharge apparatus adapted for use in a lightning system, comprising:
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;
and the lightning arrester (5) is used for effectively converting and/or absorbing the charge energy converted by the electromagnetic receiving net.
2. An electromagnetic receiving and corona discharge apparatus adapted for use in a lightning system, 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 device of claim 2, wherein 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. An electromagnetic receiving and corona discharge apparatus adapted for use in a lightning system 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. An electromagnetic receiving and corona discharge apparatus adapted for use in a lightning system according to claim 1,
the supporting device (2) is a 304 stainless steel solid rod;
the electromagnetic receiving nets are multiple and are arranged along the circumferential direction of the stainless steel solid rod.
6. The electromagnetic receiving and corona discharge device suitable for use in a lightning arrester system according to claim 1, wherein the mesh surface aperture of the electromagnetic receiving mesh (1) is a square aperture of 10 mm × 10 mm.
7. An electromagnetic receiving and corona discharge apparatus adapted for use in a lightning system according to claim 1, wherein said lightning apparatus is in a plurality of banks.
8. The device of claim 1, wherein the electromagnetic receiving and corona discharging device is adapted to generate corona ions with a maximum ionization current of 30mA, a maximum protection angle of 84 °, and a maximum protection radius of 10H;
wherein H is the height of the electromagnetic receiving and corona releasing device suitable for the lightning protection system, and the height is higher than the highest height H of the protected object.
9. An electromagnetic receiving and corona discharge arrangement adapted for use in a lightning arrestor system as claimed in claim 1 wherein said rotary power means (3) comprises a plurality of circular bowl means mounted axially on said support for providing 360 ° rotation power to the electromagnetic receiving screen under wind force.
10. An electromagnetic receiving and corona discharge apparatus adapted for use in a lightning system 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 |
|---|---|---|---|
| CN202010332954.8A CN111404032A (en) | 2020-04-24 | 2020-04-24 | Electromagnetic receiving and corona releasing device suitable for lightning arrester system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010332954.8A CN111404032A (en) | 2020-04-24 | 2020-04-24 | Electromagnetic receiving and corona releasing device suitable for lightning arrester system |
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| Publication Number | Publication Date |
|---|---|
| CN111404032A true CN111404032A (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010332954.8A Pending CN111404032A (en) | 2020-04-24 | 2020-04-24 | Electromagnetic receiving and corona releasing device suitable for lightning arrester system |
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|---|---|
| CN (1) | CN111404032A (en) |
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2020
- 2020-04-24 CN CN202010332954.8A patent/CN111404032A/en active Pending
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