CN108649546A - A kind of lightning-protection system based on Coulomb's law - Google Patents
A kind of lightning-protection system based on Coulomb's law Download PDFInfo
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- CN108649546A CN108649546A CN201810660716.2A CN201810660716A CN108649546A CN 108649546 A CN108649546 A CN 108649546A CN 201810660716 A CN201810660716 A CN 201810660716A CN 108649546 A CN108649546 A CN 108649546A
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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
- H01T4/00—Overvoltage arresters using spark gaps
- H01T4/10—Overvoltage arresters using spark gaps having a single gap or a plurality of gaps in parallel
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/005—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection avoiding undesired transient conditions
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/06—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using spark-gap arresters
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- Elimination Of Static Electricity (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The present invention relates to a kind of lightning-protection systems based on Coulomb's law, belong to thunder and lightning prevention technique field.Including：Electric conductor and cascading water ground wire are dodged for thunder and lightning to be attracted to default connecing for lightning stroke object；For for connect dodge electric conductor charging electric charge energy-storage capacitor；For the high-voltage DC power supply for conductive bulk charging；Electric voltage regulator for adjusting voltage according to intensity of lightning；Power supply for providing power supply for high-voltage DC power supply and overvoltage protection trigger controller；Ball-gap discharge and protection circuit for ensureing integrated circuit overvoltage safety.The lightning-protection system of the present invention can be effectively prevented from injury of the thunder and lightning to the mankind, ensure the safety of people's life, property.And the lightning-protection system of the present invention is simple in structure, and it is easy for installation, there is good social and economic benefit.
Description
Technical field
The present invention relates to a kind of lightning-protection systems based on Coulomb's law, belong to thunder and lightning prevention technique field.
Background technology
Thunder and lightning brings many harm to the mankind, and for many years, the mankind have made many explorations and research to thunder and lightning, and take
Some lightning protection measures but still have lightening hazard.General traditional lightning rod mode is protected as shown in Figure 1, working as thundercloud to the earth
When movement, the head-on guide that electric discharge guide and lightning rod are incuded generates strong main discharge when merging, a large amount of electricity in thundercloud
Lotus will leak into the earth by lightning rod, lightning-arrest downlead, to protect building.Wherein the lightning protection of building is mainly adopted always
With the method for above-mentioned lightning rod, dissipation array, this means of defence protection domain is also once used to decay in 45 degree of angles, there are protection domains
Small, the shortcomings of antenna height is high, and contingency is big and protected object is attacked directly by thunder and lightning.Twentieth century end, space center of the Chinese Academy of Sciences
Itd is proposed that a kind of method and device of manufacture high-conductivity atmospheric layer active lightning protection lightning protection, Patent No. 95117424.X were being built
Object top layer manufactures high-conductivity atmospheric layer to achieve the purpose that reduce electric field strength.The patent assumes the electricity between the earth and metallic plate
Field intensity is E2(this is artificially added), metal plate electric field strength on the surface of thundercloud is E1, but E2Greatly, E1Not necessarily
Greatly.Because of E1It is not by E2Come what is determined, a large amount of statistics show that thunder and lightning is a kind of unipolarity ("+" or "-") high electricity in air
Electrical phenomena is pressed, quickly due to thunder and lightning gait of march, how to judge that the polarity of thunder and lightning is a difficult point, so envisioning in prior art
The idea for manufacturing highly conductive gas-bearing formation is difficult to realize.The applicant is also it has been suggested that excessively a kind of Mine Neutralization System, China Patent No. are：
ZL200910081350.4, by judging thunder and lightning polarity, in the high-voltage electricity of Mine Neutralization System ball extremely upper load and thunder and lightning identical polar
Source repels thunder and lightning to outside protected object, to reach lightning protection purpose.But the Mine Neutralization System in this patent needs to sentence first
Disconnected thunder and lightning polarity reloads corresponding polarity power, slower there are the response time, and high voltage power supply need to be mounted in protected object, be existed
Security risk.
Invention content
The purpose of the present invention is to propose to a kind of lightning-protection systems based on Coulomb's law, using Coulomb's law, by lighting location
It is attracted to far from being protected on the default lightning stroke object built, to achieve the purpose that lightning protection mitigation.
Lightning-protection system proposed by the present invention based on Coulomb's law, including positive high voltage power supply, two sets of lightning-protection systems and negative height
Voltage source, the positive high voltage power supply and negative high voltage power source are placed in the opposite sides of protected object, positive high voltage power supply and negative high voltage
Power supply is respectively used to generate connecing in two sets of lightning-protection systems and dodges the DC high-voltage of electric conductor and energy-storage capacitor charging, and is used for
For in lightning-protection system positive polarity high-voltage DC power supply and negative polarity high-voltage DC power supply power supply is provided；
Lightning-protection system by power supply, overvoltage protection device, electric voltage regulator, step-up transformer, energy-storage capacitor, to connect sudden strain of a muscle conductive
Body, earthing switch and ball discharge gap composition, wherein：
Power supply, for providing power supply for positive polarity high-voltage DC power supply and negative polarity high-voltage DC power supply, power supply connects first
It is connected to overvoltage protection device；
Overvoltage protection device, it is interim for coming in lightning stroke, protect positive high voltage power supply or negative high voltage power source not by overvoltage
Damage, overvoltage protection device are connected with electric voltage regulator；
Electric voltage regulator and step-up transformer, for the AC power of input to be boosted to required high pressure, electronic pressure regulation
Device and step-up transformer are connected with positive high voltage power supply or negative high voltage power source, and exchange height is provided for positive high voltage power supply or negative high voltage power source
Pressure input；
Energy-storage capacitor ensures to connect the quantity of electric charge foot stabilization dodged on electric conductor for storing positive polarity or negative polarity electricity
Amount, energy-storage capacitor are connected with sudden strain of a muscle electric conductor is connect；
It connects and dodges electric conductor and ball discharge gap, connect sudden strain of a muscle electric conductor for thunder and lightning to be attracted to, and put by ball discharge gap
Electric cascading water ensures that the safety for being protected my object, ball discharge gap are connected with ground wire, and two connect sudden strain of a muscle electric conductor and are separately connected positive polarity electricity
Source and negative polarity power supply are supported in by insulation column near protected object；
Ground protection switchs, and is used for ground protection when daily access failure power supply, ensures lightning-protection system safety, ground protection
Switch is connected with ground wire.
Lightning-protection system proposed by the present invention based on Coulomb's law, its advantage is that：
1, compared with traditional lightning protection needle protection device, the lightning-protection system proposed by the present invention based on Coulomb's law can be accurate
Positioning thunder and lightning shock by electricity position, enhance protective, while expanding protection domain significantly, or even accomplish lightning-protection system and protected
Facility etc. provides lightning protection when high.And the lightning-protection system based on Coulomb's law can not be mounted in indoor, separate protected object,
It is safer.
2, the lightning-protection system based on Coulomb's law of the invention, without considering the problems of dipole inversion, when generation thunder and lightning
When, radar connects flash-point by hit that it is attracted automatically, this is the great advantage of lightning-protection system of the present invention.
3, the lightning-protection system based on Coulomb's law of the invention, can also greatly reduce inductive lightning to low-voltage equipment
Damage.The vast mountain area of south China and rural area, due to its special mountain shape, surface relief structures, annual rainy season and summer are all
It is the multiple season of thunder and lightning, injures and lose caused by people's life, property due to thunder and lightning and appear in the newspapers repeatly.It is carried using the present invention
The high efficiency lightning protection system gone out can be effectively prevented from injury of the thunder and lightning to the mankind, especially for important department and unit, such as：
Oil depot, wind, electric railway, the scenic spots and historical sites more can guarantee the safety of people's life, property.
4, lightning-protection system of the invention, it is simple in structure, it is easy for installation, there is good social and economic benefit.
Description of the drawings
Fig. 1 is the application scenario diagram of conventional lightning conductor.
Fig. 2 is the application scenario diagram of the lightning-protection system proposed by the present invention based on Coulomb's law.
Fig. 3 is the positive main circuit schematic diagram of the lightning-protection system proposed by the present invention based on Coulomb's law.
Fig. 4 is the cathode main circuit schematic diagram of the lightning-protection system proposed by the present invention based on Coulomb's law.
Fig. 5 is with existing lightning rod mode protection domain schematic diagram.
Fig. 6 is the protection domain schematic diagram of lightning-protection system proposed by the present invention.
In Fig. 2-Fig. 4,1 is positive high voltage power supply, and 2 be lightning-protection system, and 3 be protected object, and 4 be negative high voltage power source；201 are
Overvoltage protection device, 202 be electric voltage regulator, and 203 be step-up transformer, and 204 be energy-storage capacitor, and 205 be to connect sudden strain of a muscle electric conductor,
206 be earthing switch, and 207 be ball discharge gap.
Specific implementation mode
Lightning-protection system proposed by the present invention based on Coulomb's law, structure is as shown in Fig. 2, the lightning-protection system includes positive high
1, two set of lightning-protection system 2 of voltage source and negative high voltage power source 4, positive high voltage power supply 1 and negative high voltage power source 4 are placed in the opposite of protected object
Both sides, positive high voltage power supply 1 and negative high voltage power source 4 are respectively used to generate connecing in two sets of lightning-protection systems 2 and dodge electric conductor 205 and energy storage
Capacitor 204 charges required DC high-voltage.The circuit diagram difference of two sets of lightning-protection systems is as shown in Figure 3 and Figure 4.
Lightning-protection system 2 is by power supply, overvoltage protection device 201, electric voltage regulator 202, step-up transformer 203, energy storage capacitor
Device 204 connects and dodges electric conductor 205, earthing switch 206 and the composition of ball discharge gap 207, wherein：
Power supply, for providing power supply for positive polarity high-voltage DC power supply 1 and negative polarity high-voltage DC power supply 4, power supply is first
It is connected to overvoltage protection device 201；
Overvoltage protection device 201, it is interim for coming in lightning stroke, protect positive high voltage power supply 1 or negative high voltage power source 4 not to receive electricity
The damage of pressure, overvoltage protection device 201 are connected with electric voltage regulator 202；
Electric voltage regulator 202 and step-up transformer 203, for the AC power of input to be boosted to required high pressure, electricity
Dynamic pressure regulator 202 and step-up transformer 203 are connected with positive high voltage power supply 1 or negative high voltage power source 4, are positive high voltage power supply 1 or negative height
Voltage source 4 provides ac high-voltage input, and as shown in Figures 3 and 4, b is directly connected to ground connection.
Energy-storage capacitor 204 ensures to connect the quantity of electric charge dodged on electric conductor 205 for storing positive polarity or negative polarity electricity
Stablize it is enough, energy-storage capacitor 204 with connect dodge electric conductor 207 be connected；
It connects and dodges electric conductor 205 and ball discharge gap 207, connect sudden strain of a muscle electric conductor for thunder and lightning to be attracted to, and pass through ball discharge gap
207 carry out electric discharge cascading water, ensure that the safety of protected object, ball discharge gap 207 are connected with ground wire, and two connect sudden strain of a muscle electric conductor 205 and divide
Not Lian Jie positive polarity power supply or negative polarity power supply, two connect dodge electric conductor be supported in respectively by protection building by insulation column
At neighbouring isometry position H, pass through wire ground of taking shelter from the thunder.
Ground protection switch 206 is used for ground protection when daily access failure power supply, ensures lightning-protection system safety, ground connection
Protection switch 206 is connected with ground wire.
In one embodiment of the present of invention, overvoltage protection device 201, product type is GBQ types, by Beijing mountain clear water wood
Electrical Science and Technology Ltd.'s production, the Patent No. ZL01229764X of the product, the electric voltage regulator 202 used, range of regulation
Product type for 0~250V, the boosting ranging from 220V/20KV of step-up transformer 203, energy-storage capacitor 204 is CH82, by
Changchun Weihong Dongguang Electronic Equipment Co., Ltd produces.
Lightning-protection system proposed by the present invention based on Coulomb's law makes charge and this lightning protection of thundercloud using Coulomb's law
Coulomb force is generated between the charges of different polarity of device(wherein, Q1 refers to that thunder and lightning institute is electrically charged, and Q2 refers to that lightning-protection system connects
It is electrically charged to dodge conductor institute, r refers to thunder and lightning and connects and dodge the distance between conductor, and ε refers to permittivity of vacuum), it realizes lighting location, draw
Thunder conduction cascading water is protected.Especially when lightning voltage is less than 1MV, absolutely lightning protection may be implemented.
A kind of operation principle of the lightning-protection system based on Coulomb's law of the present invention is discussed in detail below in conjunction with Fig. 3 and Fig. 4：
Work as Changes in weather, it is possible to when thunder and lightning occurs, by related Lightning Warning equipment, can with it is automatic or manual manually into
Row power supply closes a floodgate, first by after 220V AC powers and step-up transformer boosting to positive high voltage power supply 1 and negative high voltage power source 4,
Positive high voltage power supply 1 and negative high voltage power source 4 directly charge to energy-storage capacitor 204 with sudden strain of a muscle electric conductor 205 is connect, positive and negative to connect sudden strain of a muscle
Electric conductor charges simultaneously.When thunder and lightning is close to protected object, the electricity for dodging electric conductor 205 and thundercloud institute band is connect at the top of protected object
When lotus is heteropolarity, according to Coulomb's law, the thunder and lightning of heteropolarity is attracted to connect and is dodged on electric conductor 205, by connecing sudden strain of a muscle electric conductor
Shock energy is imported the earth, to achieve the purpose that lightning protection mitigation by 205 207 cascading water of protection and ball discharge gap.
Fig. 5 is with existing lightning rod mode protection domain schematic diagram.In Fig. 5, single branch conventional lightning conductor protection domain, when
rxWhen >=h/2, rx=(h-hx)P；rxWhen ＜ h/2, rx=(1.5h-2hx)P；As h≤30m, P=1；As 30m ＜ h≤120m
When,Wherein, rxIt is the radius of protection of lightning rod in the horizontal plane；hxIt is the height of protected object；H is lightning rod
Effective height, P be height influence coefficient.
Fig. 6 is the protection domain schematic diagram of lightning-protection system proposed by the present invention.From fig. 6 it can be seen that lightning-protection system
Radius of protection rx is more than or equal to connecing for lightning-protection system and dodges body effective height h, and effective protection range and protection height are all much better than biography
System lightning rod.
Claims (1)
1. a kind of lightning-protection system based on Coulomb's law, it is characterised in that the lightning-protection system includes positive high voltage power supply, two sets of lightning protection
System and negative high voltage power source, the positive high voltage power supply and negative high voltage power source are placed in the opposite sides of protected object, positive high voltage electricity
Source and negative high voltage power source are respectively used to generate connecing in two sets lightning-protection systems and dodge electric conductor and required straight of energy-storage capacitor charging
Flow high-voltage electricity；
Lightning-protection system by power supply, overvoltage protection device, electric voltage regulator, step-up transformer, energy-storage capacitor, connect dodge electric conductor,
Earthing switch and ball discharge gap composition, wherein：
Power supply, for providing power supply for positive polarity high-voltage DC power supply and negative polarity high-voltage DC power supply, power supply is firstly connected to
Overvoltage protection device；
Overvoltage protection device, it is interim for coming in lightning stroke, protect positive high voltage power supply or negative high voltage power source not to be damaged by overvoltage,
Overvoltage protection device is connected with electric voltage regulator；
Electric voltage regulator and step-up transformer, for the AC power of input to boost to required high pressure, electric voltage regulator and
Step-up transformer is connected with positive high voltage power supply or negative high voltage power source, and it is defeated to provide ac high-voltage for positive high voltage power supply or negative high voltage power source
Enter；
Energy-storage capacitor ensures that connecing the quantity of electric charge dodged on electric conductor stablizes enough, storage for storing positive polarity or negative polarity electricity
Energy capacitor is connected with sudden strain of a muscle electric conductor is connect；
It connects and dodges electric conductor and ball discharge gap, sudden strain of a muscle electric conductor is connect for thunder and lightning to be attracted to, and electric discharge is carried out by ball discharge gap and is rushed down
Stream, ensures that the safety of protected object, ball discharge gap are connected with ground wire, and two connect sudden strain of a muscle electric conductor and are separately connected positive polarity power supply and bear
Polarity power is supported in by insulation column near protected object；
Ground protection switchs, and is used for ground protection when daily access failure power supply, ensures lightning-protection system safety, ground protection switch
It is connected with ground wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810660716.2A CN108649546A (en) | 2018-06-25 | 2018-06-25 | A kind of lightning-protection system based on Coulomb's law |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810660716.2A CN108649546A (en) | 2018-06-25 | 2018-06-25 | A kind of lightning-protection system based on Coulomb's law |
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| CN108649546A true CN108649546A (en) | 2018-10-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888760B (en) * | 2019-03-12 | 2023-10-20 | 北京山图有源防雷科技有限公司 | Safety protection device for electrical equipment |
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- 2018-06-25 CN CN201810660716.2A patent/CN108649546A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888760B (en) * | 2019-03-12 | 2023-10-20 | 北京山图有源防雷科技有限公司 | Safety protection device for electrical equipment |
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