CN104332982B - A kind of lightning protection protective system - Google Patents
A kind of lightning protection protective system Download PDFInfo
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- CN104332982B CN104332982B CN201410685923.5A CN201410685923A CN104332982B CN 104332982 B CN104332982 B CN 104332982B CN 201410685923 A CN201410685923 A CN 201410685923A CN 104332982 B CN104332982 B CN 104332982B
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- earthed
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- 239000011701 zinc Substances 0.000 claims description 6
- 229910052725 zinc Inorganic materials 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
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- 238000012544 monitoring process Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 3
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Abstract
The invention provides a kind of lightning protection protective system, the protection system includes：Power line protection system, signal wire protection system and earthed system; wherein; the power line protection system and signal wire protection system are used to that surge voltage is reduced or eliminated; the earthed system is used to electric current caused by the surge voltage importing the earth, and the power line protection system is connected with signal wire protection system with the earthed system.System, signal wire is protected to protect system and earthed system to carry out lightning protection to power line and signal wire by power line; reduce or eliminate surge voltage; prevent surge voltage from scurrying into indoor electronic equipment from the approach such as power line or signal wire, avoid causing damage to electronic equipment.
Description
Technical field
The present invention relates to electric power system to protect field, in particular, is related to a kind of lightning protection protective system.
Background technology
In recent years, with the rapid development of information technology, the various forms such as communication equipment, computer network and automatic control equipment
Electronic information obtained more and more extensive application, the busy numerous and jumbled affairs of people are often through the electricity to run at high speed
Brain, automation equipment and communication monitoring equipment carry out well-regulated progress.Thunderbolt is one of annual natural calamity that can all occur,
Constantly reduced with the operating voltage of electronic equipment, quantity and scale constantly expand, and low-voltage power supply system may meet with thunderbolt
Possibility also constantly increases, and its consequence may make the outage of whole system, and causes larger economic loss, therefore,
In the case that current electric power system becomes increasingly complex, the surge voltage for mainly causing low-voltage power supply system by thunder and lightning has become people
The important topic paid close attention to.
Wherein, the lightning rod on buildings in general can only pre- direct striking thunder prevention, however, caused by induced lightening and mine transmitting device
Harm is bigger, and the induced lightening of high-energy caused by powerful electromagnetic field and Lightning Electromagnetic Pulse pass through power supply, antenna, radio signal
The circuits such as transceiver slip into interior and jeopardize the electrical equipments such as TV, phone and electronic instrument, or it can be said that surge voltage can
To scurry into indoor electronic equipment from the approach such as power line or signal wire, therefore, it is necessary to power-supply system and signal system are carried out
Effective Lighting Protection Measures.
The content of the invention
To solve the above problems, the invention provides a kind of lightning protection protective system, it can weaken or eliminate surge voltage,
Lightning protection is played a part of to power-supply system and signal system.
To achieve the above object, the invention provides a kind of lightning protection protective system, the system include power line protection system,
Signal wire protects system and earthed system；
Wherein, the power line protection system and signal wire protection system are used to that surge voltage is reduced or eliminated,
The earthed system is used to electric current caused by the surge voltage importing the earth, the power line protection system and the signal
Line protection system connection, the power line protection system are connected with signal wire protection system with the earthed system.
Preferably, in above-mentioned lightning protection protective system, the power line protection system includes：The line inlet being sequentially connected
End, distribution end and equipment end, power surge is installed respectively in the line inlet end, the distribution end and the equipment end
Protector.
Preferably, in above-mentioned lightning protection protective system, the surge tested by first-level class is selected at the line inlet end
Protector or votage limit type Surge Protector；Votage limit type Surge Protector is selected at the distribution end；The equipment end selects votage limit type
Surge Protector.
Preferably, in above-mentioned lightning protection protective system, the distribution end includes：Total distribution end, total distribution end are selected
NKP-DY-I-4P Surge Protectors or NKP-DY-III-2P Surge Protectors, divide distribution end, it is described to divide distribution end to select NKP-
DY-II-4P Surge Protectors.
Preferably, in above-mentioned lightning protection protective system, the equipment end from NKP-DY-IIIL Surge Protectors or
NKP-DY-IIIC Surge Protectors.
Preferably, in above-mentioned lightning protection protective system, the signal wire protection system is that video line protects system, tone frequency channel wire
Protection system, perimeter alarm signal system or control line protection system.
Preferably, in above-mentioned lightning protection protective system, the earthed system includes indoor earthed system and outdoor ground connection is
System；
The indoor earthed system collects row including electrical grounding；
The outdoor earthed system includes：6 vertical grounding electrodes, 6 vertical grounding electrodes are respectively distributed to rectangle soil
On the midpoint of 4 drift angles of ditch and two long sides；5 horizontal grounding poles, the 5 horizontal grounding pole are distributed in the rectangle Tu Gou
Two long sides, two short sides and long side center line on, the horizontal grounding pole is used for will 6 vertical grounding electrodes weldering
Connect；The horizontal grounding pole of the center line is as PE earth terminals.
Preferably, in above-mentioned lightning protection protective system, the outdoor earthed system is apart from the indoor earthed system 1.5m-
3.0m, including endpoint value.
Preferably, in above-mentioned lightning protection protective system, the vertical grounding electrode be long 2.5m L5 Zinc-coated angle steels, the water
Flush extremely No. 4 zinc-coated flat steel sheets.
By foregoing description, the invention provides a kind of lightning protection protective system, the protection system includes：Power line is protected
Protecting system, signal wire protection system and earthed system, wherein, the power line protection system and signal wire protection system are used
In surge voltage is reduced or eliminated, the earthed system is used to electric current caused by the surge voltage importing the earth, the electricity
Source line protection system is connected with signal wire protection system with the earthed system.System, signal are protected by power line
Line protects system and earthed system to carry out lightning protection to power line and signal wire, reduces or eliminates surge voltage, prevents
Only surge voltage scurries into indoor electronic equipment from the approach such as power line or signal wire, avoids causing damage to electronic equipment.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of lightning protection protective system schematic diagram provided in the embodiment of the present application；
Fig. 2 is that a kind of power line provided in the embodiment of the present application protects system schematic；
Fig. 3 is a kind of distribution end schematic diagram provided in the embodiment of the present application；
Fig. 4 is a kind of earthed system schematic diagram provided in the embodiment of the present application.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
As stated in the Background Art, existing shocking preventing technology typically can only pre- direct striking thunder prevention, for electronic information, typically
Including power line and signal wire, can only pre- direct striking thunder prevention Lightning Protection can not have to the electronic equipment of power line and signal wire
The protection of effect.
In order to solve the problems of the prior art, the invention provides a kind of lightning protection protective system, for electronic information system
System, the electronic information can be power-supply system, video monitoring system, visible dialogue system, parking management system or public affairs
Background music system is broadcasted altogether.
As shown in figure 1, herein described lightning protection protective system includes：The power line of electronic information is protected
Power line protects system 101；The signal wire protection system 102 protected to the signal wire of electronic information and ground connection system
System 103.
Wherein, the power line protection system 101 and signal wire protection system 102 are used to that surge electricity is reduced or eliminated
Pressure.When being struck by lightning, surge voltage can be generated in power line and signal wire, the surge voltage can cause power line and letter
The damage of the electronic equipment of number line, protect system 101 that the electronic equipment of power line can be prevented due to described by the power line
Damaged caused by surge voltage, protect system 102 that the electronic equipment of signal wire can be prevented due to described by the signal wire
Damaged caused by surge voltage.
The earthed system 103 is used to electric current caused by the surge voltage importing the earth, the power line protection system
System 101 is connected with signal wire protection system 102, the power line protection system 101 and signal wire protection system 102
It is connected with the earthed system 103, the earthed system 103 is grounded, to cause current earthing caused by surge voltage.
As shown in Fig. 2 the power line protection system 101 includes：Line inlet end 111, the distribution end 112 being sequentially connected
And equipment end 113, power supply is installed respectively in the line inlet end 111, the distribution end 112 and the equipment end 113
Surge Protector.Protected at the line inlet end 111 from the Surge Protector or votage limit type surge tested by first-level class
Protect device；Votage limit type Surge Protector is selected at the distribution end 112；The equipment end 113 selects votage limit type Surge Protector.Pass through
The Surge Protector of above-mentioned setting type can be formed effectively effectively to the electronic equipment of the power line of electronic information
Protection, weaken or eliminate lightning strike accident caused by surge voltage caused by thunderbolt.
Wherein, the line inlet end 111, it is described distribution end 112 and the equipment end 113 with the earthed system
103 connections.The line inlet end 111 is used to connect power supply, and the power supply is equipment by the distribution end 112
The power supply of end 113.The equipment end 113 is connected with signal wire protection system 102, for reception signal.
When induced lightening and lightning wave make it that surge voltage occurs in power-supply system, Surge Protector that each several part is correspondingly arranged
Turn in a short period of time immediately, by the amplitude limit value of surge voltage in the range of safety operation of equipment, while by surge
Energy discharges with entering, and then, Surge Protector rapidly goes to high-impedance state again, so as to not influence normal power supply.Wherein, circuit
Arrival end 111 refers to customer power supply system entry inlet wire arrival end, and the Surge Protector of first-level class experiment can take precautions against 10/350 μ
S, 100KA lightning wave.The Surge Protector or votage limit type protector purpose of first-level class experiment are installed in circuit arrival end 111
It is to be released for direct stroke electric current, the surge voltage of tens thousand of to hundreds thousand of volts is restricted to 2500 volt of -3000 volt.Dividing
The remaining surge electricity that the purpose of votage limit type Surge Protector is the Surge Protector that will be tested by first-level class is selected with end 112
The value of pressure is restricted to 1500 volt of -2000 volt, such as floor distribution generally selects NKP-DY-III-2P Surge Protectors.Equipment end
Remnants surge voltage is reduced within 1000 volts by 113 votage limit type Surge Protectors selected, and finally protects terminal device.
With reference to figure 3, the distribution end 112 includes：Total distribution end 121, total distribution end 121 select NKP-DY-I-4P
Surge Protector；Divide distribution end 122, it is described to divide distribution end 122 to select NKP-DY-II-4P Surge Protectors or NKP-DY-III-
2P Surge Protectors, the equipment end 113 select NKP-DY-IIIL Surge Protectors or NKP-DY-IIIC Surge Protectors.
Wherein, total distribution end 121 is connected with the line inlet end 111, described to divide distribution end 122 to connect with the equipment end 113
Connect.
Corresponding different electronic information, the signal wire protection system 102 are that video line protects system, tone frequency channel wire to protect
Protecting system, perimeter alarm signal system or control line protection system.By taking video monitoring system as an example, outdoor is separately installed with a high speed
Ball machine and the gunlock without head, the characteristics of for both video cameras, in addition to using power line protection system 101, at a high speed
Ball machine is also protected from video line protection system and control line protection system, and the lightning protection device of selection is NKP-TEL-4C-3a；
The lightning protection device selected without the gunlock of head from video line protection system is NKP-TEL-4C-2a.With public broadcasting background sound
Exemplified by music system, audio amplifier, sound column is all chronically exposed to outdoor, so in thunderstorm season, the possibility damaged by thunder and lightning is very high,
The overvoltage of signal amplifier and terminal is prevented in the protection of slave unit power supply, transmitter feedback line part and transmission line
Shield, tone frequency channel wire protection system is installed in the front end of loudspeaker and sound column namely on its tone frequency channel wire it is protected, i.e., using wave
Surge protector NKP-DY-IIIL-D110.
Earthed system occupies very important status in whole lightning protection protective system, thus lightening protection engineering into
Whether is work(, and key carries out outdoor ground connection and indoor ground connection also in earthed system, outdoor earthed system and indoor earthed system
It is connected.As shown in figure 3, the earthed system includes indoor earthed system 201 and outdoor earthed system 202.
The indoor earthed system 202 collects row including electrical grounding.The outdoor earthed system 201 includes：6 hang down
Direct earth polar 203,6 vertical grounding electrodes 203 are respectively distributed on the midpoint of 4 drift angles of rectangle soil ditch and two long sides；5
Bar horizontal grounding pole 204, the 5 horizontal grounding pole 204 be distributed in two long sides of the rectangle Tu Gou, two short sides and
On the center line of long side, the horizontal grounding pole is used to weld 6 vertical grounding electrodes 203；The horizontal grounding of the center line
Pole 204 is used as PE earth terminals.Cause the implementation of outdoor earthed system 201 using horizontal grounding pole 204 as PE earth terminals
Simply.
The outdoor earthed system 202 is 1.5m-3.0m apart from the indoor earthed system 201, including endpoint value, this
When, can earthed system effectively inside and outside junction chamber, realize effective lighting protection.
In the present embodiment, rectangle Tu Gou length × wide can be using equipment as 6m × 3m.The rectangle frame of the rectangle Tu Gou
Line width is 0.8m, and the depth of the rectangle Tu Gou is 0.6m-0.8m.The vertical grounding electrode 203 is long 2.5m L5 Zinc-coated angle steels,
The horizontal grounding pole 2504 is No. 4 zinc-coated flat steel sheets.No. 4 zinc-coated flat steel sheets for being welded in earth mat framework middle part are led into computer room
Outside corner of wall, it is liftoff high 0.3 meter, make PE earth terminals；16 square millimeters finally are drawn with upper jacket ground wire from the earth terminal, along wall side
Through walls to get in, the electrical grounding for being connected to the indoor earthed system 202 collects row, as electrical grounding collects in computer room
Row.Using above-mentioned design, the ground connection of thunder-strike current can be effectively realized, and material cost is relatively low.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (7)
- A kind of 1. lightning protection protective system, it is characterised in that including：Power line protection system, signal wire protection system and ground connection System；Wherein, the power line protection system and signal wire protection system are used to that surge voltage is reduced or eliminated, described Earthed system is used to electric current caused by the surge voltage importing the earth, and the power line protection system is protected with the signal wire Protecting system is connected, and the power line protection system is connected with signal wire protection system with the earthed system；The power line protection system includes：Line inlet end, distribution end and the equipment end being sequentially connected, enter in the circuit Mouth end, the distribution end and the equipment end install power source surge protector respectively；The line inlet end, the distribution end And the equipment end is connected with the earthed system；When induced lightening and lightning wave make it that surge voltage occurs in power-supply system, the Surge Protector that each several part is correspondingly arranged is simultaneously Surge energy is discharged with entering；The earthed system includes indoor earthed system and outdoor earthed system；The indoor earthed system includes electrical grounding Collect row；The outdoor earthed system includes：6 vertical grounding electrodes, 6 vertical grounding electrodes are respectively distributed to rectangle Tu Gou On the midpoint of 4 drift angles and two long sides；5 horizontal grounding poles, the 5 horizontal grounding pole are distributed in the rectangle Tu Gou's On the center line of two long sides, two short sides and long side, the horizontal grounding pole is used to weld 6 vertical grounding electrodes； The horizontal grounding pole of the center line is as PE earth terminals.
- 2. lightning protection protective system as claimed in claim 1, it is characterised in that the line inlet end, which is selected, passes through first-level class The Surge Protector or votage limit type Surge Protector of experiment；Votage limit type Surge Protector is selected at the distribution end；The equipment end From votage limit type Surge Protector.
- 3. lightning protection protective system as claimed in claim 2, it is characterised in that the distribution end includes：Total distribution end, it is described total Distribution end selects NKP-DY-I-4P Surge Protectors or NKP-DY-III-2P Surge Protectors, divides distribution end, the distribution electricity NKP-DY-II-4P Surge Protectors are selected at end.
- 4. lightning protection protective system as claimed in claim 2, it is characterised in that the equipment end selects NKP-DY-IIIL surges Protector or NKP-DY-IIIC Surge Protectors.
- 5. lightning protection protective system as claimed in claim 1, it is characterised in that the signal wire protection system is protected for video line System, tone frequency channel wire protection system, perimeter alarm signal system or control line protection system.
- 6. lightning protection protective system as claimed in claim 1, it is characterised in that the outdoor earthed system connects apart from the interior Ground system 1.5m-3.0m, including endpoint value.
- 7. lightning protection protective system as claimed in claim 1, it is characterised in that the vertical grounding electrode is that long 2.5m L5 is zinc-plated Angle steel, the horizontal grounding extremely No. 4 zinc-coated flat steel sheets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410685923.5A CN104332982B (en) | 2014-11-25 | 2014-11-25 | A kind of lightning protection protective system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410685923.5A CN104332982B (en) | 2014-11-25 | 2014-11-25 | A kind of lightning protection protective system |
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| Publication Number | Publication Date |
|---|---|
| CN104332982A CN104332982A (en) | 2015-02-04 |
| CN104332982B true CN104332982B (en) | 2017-12-19 |
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| CN201410685923.5A Active CN104332982B (en) | 2014-11-25 | 2014-11-25 | A kind of lightning protection protective system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2798388Y (en) * | 2005-05-24 | 2006-07-19 | 四川中光高技术研究所有限责任公司 | Electric source signal combined lightning protector |
| CN201038750Y (en) * | 2007-05-10 | 2008-03-19 | 王德言 | Lightning protection square cabin |
| CN101714758A (en) * | 2009-12-04 | 2010-05-26 | 中国轻工业南宁设计工程有限公司 | Method for solving tripping operation of low-voltage distribution intelligent main switch or frequency convertor caused by thunder |
| CN102751713A (en) * | 2012-07-20 | 2012-10-24 | 中讯邮电咨询设计院有限公司 | Transient protection system of mobile communication base station based on thunder-and-lightning import port |
-
2014
- 2014-11-25 CN CN201410685923.5A patent/CN104332982B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2798388Y (en) * | 2005-05-24 | 2006-07-19 | 四川中光高技术研究所有限责任公司 | Electric source signal combined lightning protector |
| CN201038750Y (en) * | 2007-05-10 | 2008-03-19 | 王德言 | Lightning protection square cabin |
| CN101714758A (en) * | 2009-12-04 | 2010-05-26 | 中国轻工业南宁设计工程有限公司 | Method for solving tripping operation of low-voltage distribution intelligent main switch or frequency convertor caused by thunder |
| CN102751713A (en) * | 2012-07-20 | 2012-10-24 | 中讯邮电咨询设计院有限公司 | Transient protection system of mobile communication base station based on thunder-and-lightning import port |
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| CN104332982A (en) | 2015-02-04 |
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