CN111404032A - Electromagnetic receiving and corona releasing device suitable for lightning arrester system - Google Patents

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

An electromagnetic receiving and corona releasing device suitable for chemical mine system

technical field

The invention belongs to the technical field of direct lightning protection, and in particular relates to an electromagnetic receiving and corona releasing device suitable for a lightning strike system.

Background technique

Lightning is a natural phenomenon in nature. When lightning occurs, it will generate super-strong current and voltage, which can easily cause damage to people's lives and properties. Especially with the continuous improvement of people's quality of life, a large number of household appliances have entered the homes of ordinary people, which puts forward higher requirements for the current household electricity environment.

Existing lightning protection systems are based on the principle of lightning → discharge to the ground to prevent the occurrence of lightning strikes. Usually, lightning protection modules are installed in the distribution box to form a power lightning protection box, or lightning rods are installed on buildings. In practical applications, when the above structure is struck by lightning, the strong lightning current is discharged to the ground, which will generate large electromagnetic pulse radiation and induced voltage, and even generate potential counterattack, which will cause harm to the protected object. This is also the biggest problem of the existing lightning protection technology.

SUMMARY OF THE INVENTION

Aiming at the problems existing in the above-mentioned prior art, the present invention provides a system suitable for thunderstorms that can maximize and rapidly absorb, convert and reduce the atmospheric electric field intensity when thunderclouds are generated, and release corona ions at the same time Electromagnetic acceptance and corona release device.

In order to realize the above-mentioned purpose of the invention, a technical scheme provided by the present invention is as follows:

An electromagnetic receiving and corona releasing device suitable for a thunderstorm system, comprising: an electromagnetic receiving net, which is used to cut the magnetic field lines in the atmosphere, and can release corona ions under the action of the thundercloud electric field when a thunderstorm cloud is generated; The supporting device is used to support and fix the electromagnetic receiving net, and has the effect of conducting electric charges; the rotating power device is used to drive the electromagnetic receiving net to rotate with the wind; the lightning-changing device is used to convert the electric charge energy of the electromagnetic receiving net Efficient conversion and/or absorption.

Preferably, it also includes: a linkage device, connected with the support device and the lightning protection device, for enabling the support device to rotate relative to the lightning protection device; the support device is connected with the electromagnetic receiving network, and the rotation The power device is connected with the support device.

Preferably, the linkage device is a rotary connector, and the rotary connector includes two plane bearings, a bearing sleeve and a shaft, the two plane shafts are mounted on both ends of the bearing sleeve, and the two plane bearings are connected to each other. interference fit with the shaft; the support device is fixedly connected with the shaft through a coupling, and the bearing sleeve is fixedly connected with the lightning reduction device.

Preferably, a first connecting body is fixed at one end of the bearing sleeve close to the lightning protection device, and a second connecting body is arranged at one end of the lightning protection device close to the bearing sleeve, the first connecting body and the second connecting body are The connector is screwed or screwed.

Preferably, the supporting device is a 304 stainless steel solid rod; there are multiple electromagnetic receiving nets, which are arranged along the circumferential direction of the stainless steel solid rod.

Preferably, the mesh holes of the electromagnetic receiving net are square holes of 10 mm×10 mm.

Preferably, the mine blasting devices are in multiple groups.

Preferably, the maximum ionization current of the electromagnetic receiving net to generate corona ions is 30mA, the maximum protection angle is 84°, and the maximum protection radius is 10H; wherein, H is the height of the electromagnetic receiving and corona releasing device suitable for the lightning system , whose height is higher than the maximum height h of the protected object.

Preferably, the rotating power device includes a plurality of circular bowl-shaped devices, and the plurality of circular bowl-shaped devices are axially mounted on the support body to provide 360° rotation for the electromagnetic receiving net under the action of wind. 's motivation.

Preferably, the rotary power device is rotatably connected to the support device, so that the rotary power device can rotate 360° relative to the support device with the support device as the center; the electromagnetic receiving net is rotatably connected to the support device, The electromagnetic receiving net can rotate 360° relative to the supporting device with the supporting device as the center; the rotating power device is connected with the electromagnetic receiving net.

The electromagnetic receiving and corona releasing device suitable for the lightning system provided by the present invention is installed at a height higher than the protected object. See Figure 2 for the installation height when protecting multiple cells, and is generally installed at the monsoon windward end of the protected area. , When the thundercloud is generated, it must be accompanied by strong wind. Under the action of the wind, the device will rotate 360° to drive the electromagnetic receiving net to rotate, increase the strength of the cutting magnetic line of force, thereby converting the magnetic field energy to a greater extent and generating ionizing current. The support device 2 is conducted to the lightning device 5, and the energy is further absorbed and converted.

In addition, the electromagnetic receiving and corona releasing device suitable for the thunderstorm system will release the corona ions under the action of the electric field of the thundercloud when the thunderstorm cloud is generated. The protective object forms a shielding protection (Figure 2), which inhibits the initiation of the upward leader, weakens the development speed of the downward leader, suppresses the formation of the discharge channel between the thundercloud and the ground, and effectively prevents the occurrence of cloud-to-ground flashes in the protected area. It reduces the occurrence of strong electromagnetic pulse radiation, induced voltage, potential counterattack and other problems caused by lightning current discharge, thereby more effectively improving the lightning protection effect.

Description of drawings

Fig. 1 is the structure schematic diagram of the electromagnetic receiving and corona releasing device that is applicable to the blasting system of the present invention;

Fig. 2 is the lightning protection principle diagram of the electromagnetic receiving and corona releasing device suitable for the lightning-chemical system of the present invention;

Reference numerals in the figure; electromagnetic receiving net 1, support device 2, rotating power device 3, linkage device 4, plane bearing 4-1, bearing sleeve 4-2, shaft 4-3, first connecting body 4-4, The lightning device 5, the second connecting body 5-1, the height H of the electromagnetic receiving and corona releasing device suitable for the lightning protection system, and the highest height h of the protected object.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Embodiment 1, the present invention provides an electromagnetic receiving and corona releasing device suitable for a thunderstorm system, referring to FIG. 1, including: an electromagnetic receiving net 1, which is used to cut the magnetic field lines in the atmosphere, and at the same time, when a thunderstorm cloud is generated, it is Under the action of the thundercloud electric field, corona ions can be released, wherein the electromagnetic receiving nets are preferably multiple, and are arranged along the circumferential direction of the following stainless steel solid rods. Generally, there are three electromagnetic receiving nets, and adjacent electromagnetic receiving nets are provided. The distance between the nets is set at 120° angle; it can also be 4, and the distance between adjacent electromagnetic receiving nets is set at 90° angle;

The support device 2 is used to support and fix the electromagnetic receiving net, and has a conduction effect of electric charge, that is to say, the support device is made of conductors, preferably 304 stainless steel solid rods;

Rotating power device 3 for driving the electromagnetic receiving net to rotate with the wind;

A lightning strike device 5 for effectively converting and/or absorbing the charge energy converted by the electromagnetic receiving network;

The linkage device 4 is connected with the supporting device and the detonating device, so that the supporting device can rotate relative to the detonating device;

The supporting device is connected with the electromagnetic receiving net, and the rotating power device is connected with the supporting device.

The above-mentioned electromagnetic receiving and corona releasing device suitable for the lightning system should be installed at a height higher than the protected object. See Figure 2 for the installation height when protecting multiple cells. Generally, it is installed at the monsoon windward end of the protected area. When the thundercloud is generated, it must be accompanied by strong wind. Under the action of the wind, the device will rotate 360° to drive the electromagnetic receiving net to rotate, increase the strength of the cutting magnetic line of force, so as to maximize the conversion of magnetic field energy and generate ionizing current, which is supported by the device. 2 is conducted to the lightning device 5, and the energy is further absorbed and converted.

In addition, the electromagnetic receiving and corona releasing device suitable for the thunderstorm system will release the corona ions under the action of the electric field of the thundercloud when the thunderstorm cloud is generated. The protective object forms a shielding protection (Figure 2), which inhibits the initiation of the upward leader, weakens the development speed of the downward leader, suppresses the formation of the discharge channel between the thundercloud and the ground, and effectively prevents the occurrence of cloud-to-ground flashes in the protected area. It reduces the occurrence of strong electromagnetic pulse radiation, induced voltage, potential counterattack and other problems caused by lightning current discharge, thereby more effectively improving the lightning protection effect. The above-mentioned upward leader refers to the upward migration of the corona current, and the downward leader: refers to the downward migration of the corona current, and the corona ion can also be called the corona charge.

The following is a comparison table of the lightning protection effect between the electromagnetic receiving and corona releasing device (referred to as the device in the table) for the lightning protection system of the present invention and the existing lightning protection system device

As a specific embodiment, the linkage device is a rotary connector, and the rotary connector includes two plane bearings 4-1, a bearing sleeve 4-2 and a shaft 4-3, and the two plane shafts are installed on the At both ends of the bearing sleeve, one of the plane bearings is in interference fit with the shaft; the support device is fixedly connected with the shaft through a coupling, and the bearing sleeve is fixedly connected with the lightning reduction device; the The structure prevents the shaft from tilting during rotation through 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 close to the lightning reduction device. One end of the lightning device close to the bearing sleeve is provided with a second connecting body 5-1, the first connecting body and the second connecting body are screwed or threaded, and the height of the second connecting body can be set to achieve the According to the requirements of the installation height of the device, the second connecting body can also be arranged into multiple sections, and the adjacent sections are connected by screws so as to adjust the installation height of the device during installation.

As a specific embodiment, the mesh 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 can not only ensure that the wind passes through to prevent excessive wind resistance from affecting the rotation of the electromagnetic receiving net, At the same time, a better cutting magnetic field effect can be achieved.

In the present application, the above-mentioned lightning protection device or the lightning protection system device can use existing devices, and the lightning protection device can also be arranged in multiple groups to achieve better conversion and/or absorption of the charge energy converted by the electromagnetic receiving network.

As a specific embodiment, the maximum ionization current of the electromagnetic receiving net to generate corona ions is 30mA, the maximum protection angle is 84°, and the maximum protection radius is 10H; wherein, H is the electromagnetic receiving and corona suitable for the lightning system. The height of the release device, which is higher than the maximum height h of the protected object.

In this application, the rotary power device 3 can use an existing rotary power device, such as a fan blade. In this application, the following structure is preferred: including a plurality of circular bowl-shaped devices, and a plurality of the circular bowl-shaped devices in the axial direction Installed on the support body, it is used to provide 360° rotating power to the electromagnetic receiving net under the action of wind, wherein, the number of circular bowl-shaped devices can be 3, and the distance between adjacent circular bowl-shaped devices is 120° The number of circular bowl-shaped devices may also be 4, and the distance between adjacent circular bowl-shaped devices is set at 90°.

Example 2, Example 2 has the same principle as Example 1, and achieves the same lightning protection effect. The difference is that the rotating power device is directly connected to the electromagnetic receiving network. The corona release device includes: an electromagnetic receiving net, which is used to cut the magnetic field lines in the atmosphere, and at the same time when a thunderstorm cloud is generated, under the action of the electric field of the thundercloud, corona ions can be released, wherein the electromagnetic receiving net is preferably a plurality of, along the The following stainless steel solid rods are arranged circumferentially. Generally, there are 3 electromagnetic receiving nets, and the distance between adjacent electromagnetic receiving nets is 120°; it can also be 4, and the distance between adjacent electromagnetic receiving nets is 90 degrees. °Included angle setting;

a support device, used to support and fix the electromagnetic receiving net, and has a conduction effect of electric charge, that is, the support device is made of a conductor, preferably a 304 stainless steel solid rod;

a rotating power device for driving the electromagnetic receiving net to rotate with the wind;

Lightning device for effectively converting and/or absorbing the charge energy converted by the electromagnetic receiving network;

The rotary power device is rotatably connected to the support device, so that the rotary power device can rotate 360° relative to the support device with the support device as the center;

The electromagnetic receiving net is rotatably connected with the supporting device, so that the electromagnetic receiving net can rotate 360° relative to the supporting device with the supporting device as the center;

The rotating power device is connected with the electromagnetic receiving network.

The above-mentioned embodiments only represent the embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as limiting the scope of the patent of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can also be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims (10)

1. a kind of electromagnetic receiving and corona release device that is applicable to chemical mine system, is characterized in that, comprises: The electromagnetic receiving net (1) is used to cut the magnetic field lines in the atmosphere, and at the same time, when a thunderstorm cloud is generated, corona ions can be released under the action of the thundercloud electric field; a supporting device (2), used for supporting and fixing the electromagnetic receiving net, and having a conduction effect of electric charge; a rotating power device (3) for driving the electromagnetic receiving net to rotate with the wind; A lightning strike device (5) is used for effectively converting and/or absorbing the electric charge energy converted by the electromagnetic receiving network. 2. a kind of electromagnetic receiving and corona releasing device that is applicable to the lightning system according to claim 1, is characterized in that, also comprises: a linkage device (4), connected with the supporting device and the detonating device, for enabling the supporting device to rotate relative to the detonating device; The supporting device is connected with the electromagnetic receiving net, and the rotating power device is connected with the supporting device. 3. The electromagnetic receiving and corona releasing device suitable for a lightning strike system according to claim 2, wherein the linkage device is a rotary connector, and the rotary connector comprises two plane bearings (4 -1), a bearing sleeve (4-2) and a shaft (4-3), two of the plane shafts are mounted on both ends of the bearing sleeve, and even one of the plane bearings has an interference fit with the shaft; The support device is fixedly connected to the shaft through a coupling, and the bearing sleeve is fixedly connected to the lightning reduction device. 4. a kind of electromagnetic receiving and corona releasing device that is applicable to the lightning system according to claim 3, is characterized in that, A first connecting body (4-4) is fixed at one end of the bearing sleeve close to the lightning reduction device, and a second connection body (5-1) is arranged at one end of the lightning protection device close to the bearing sleeve. The first connecting body and the second connecting body are screwed or screwed together. 5. a kind of electromagnetic receiving and corona releasing device that is applicable to chemical mine system according to claim 1, is characterized in that, The support device (2) is a 304 stainless steel solid rod; There are multiple electromagnetic receiving nets, which are arranged along the circumference of the stainless steel solid rod. 6 . The electromagnetic receiving and corona releasing device according to claim 1 , wherein the mesh hole of the electromagnetic receiving net ( 1 ) is a square hole of 10 mm×10 mm. 7 . 7 . The electromagnetic receiving and corona releasing device suitable for a mine blasting system according to claim 1 , wherein the blast blasting devices are in multiple groups. 8 . 8. a kind of electromagnetic receiving and corona releasing device that is applicable to the mine-lightening system according to claim 1, is characterized in that, the maximum ionizing current 30mA that described electromagnetic receiving net produces corona ionization, protection angle maximum 84 ° , the maximum protection radius is 10H; Among them, H is the height of the electromagnetic receiving and corona releasing device suitable for the lightning strike system, and its height is higher than the maximum height h of the protected object. 9. An electromagnetic receiving and corona releasing device suitable for a lightning strike system according to claim 1, wherein the rotating power device (3) comprises a plurality of circular bowl-shaped devices, and a plurality of the The circular bowl-shaped device is axially mounted on the support body, and is used to provide the electromagnetic receiving net with 360° rotating power under the action of wind. 10. A kind of electromagnetic receiving and corona releasing device suitable for a lightning strike system according to claim 1, is characterized in that, The rotary power device is rotatably connected to the support device, so that the rotary power device can rotate 360° relative to the support device with the support device as the center; The electromagnetic receiving net is rotatably connected with the supporting device, so that the electromagnetic receiving net can rotate 360° relative to the supporting device with the supporting device as the center; The rotating power device is connected with the electromagnetic receiving network.

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