CN203747403U - Two-in-one lightning electromagnetic pulse energy absorber - Google Patents

Two-in-one lightning electromagnetic pulse energy absorber Download PDF

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Publication number
CN203747403U
CN203747403U CN201320881862.0U CN201320881862U CN203747403U CN 203747403 U CN203747403 U CN 203747403U CN 201320881862 U CN201320881862 U CN 201320881862U CN 203747403 U CN203747403 U CN 203747403U
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China
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annular core
acceptor
cutting
power line
coil
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CN201320881862.0U
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Chinese (zh)
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李宝华
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Jilin Taihua Electronics Co ltd
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Individual
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Abstract

The utility model provides a two-in-one lightning electromagnetic pulse energy absorber which comprises a circular iron core forming a closed magnetic circuit, a coil and a resistor, wherein the coil is wound on the circular iron core, and the two ends of the coil are connected with the resistor. The circular iron core is cut into two parts according to the axial plane, and the axial plane of one part is smaller than or equal to the central axial plane of the circular iron core. For installation of a signal line or a power line or a cable, the signal line or the power line or the cable is placed in the cut circular iron core first, and then the two cut circular iron core parts are connected in a butt-joint mode to form the circular iron core with a closed magnetic circuit. Signal line or power line winding by the existing lightning-proof induction method is not convenient, and a thick cable cannot wound by the method. The two-in-one lightning electromagnetic pulse energy absorber is formed by connecting the two cut circular iron core parts in a butt-joint mode, a power line or a signal line can be directly put in the two cut circular iron core parts, and the problem of using inconvenience is avoided.

Description

Two-in-one Lightning Electromagnetic Pulse acceptor of energy
Technical field
The utility model relates to resisting the inductive thunderbolt field, particularly relates to a kind of two-in-one Lightning Electromagnetic Pulse acceptor of energy.
Background technology
In some thunders and lightnings area occurred frequently, due to lightning induction or other reason, easily cause the momentary pulse overtension producing in transmission line and transmission line, thereby power consumption equipment is impacted.For example; in the time that thundercloud discharges above building; on lightning current passage, produce larger lightning current; on near cable building and holding wire, will produce induction overvoltage; the induction overvoltage producing due to lightning induction can cause the damage of microelectronic device and the malfunction of protecting electrical power system and control unit.In recent years, along with the extensive use of the information system being made up of mass data equipment and precision instrument, the phenomenon of damaging power consumption equipment because of lightning induction also rises year by year.
For above-mentioned phenomenon, the main method resisting the inductive thunderbolts such as shielding, equipotential connection that adopt at present.Wherein, screen method is to adopt metal object (as iron pipe) to shield the holding wire that is subject to lightning induction, and the method is easily subject to environmental limitations, and difficulty of construction is also large; Equipotential connection method is more convenient to power line lightning protection, but the lightning protection for video signal cable and high-frequency signal line is more difficult, because if the method that adopts equipotential to connect is carried out resisting the inductive thunderbolt, just must between the heart yearn of holding wire and outer conductor, install components and parts additional, this will certainly exert an influence to signal; Equipotential connection connection is also not easy to realize for data signal line lightning protection, because data signal line is many, the device installing additional is corresponding more.
While stating existing method in the use, find, holding wire or power line coiling inconvenience just cannot realize in the time running into thicker cable.
Utility model content
The utility model provides a kind of two-in-one Lightning Electromagnetic Pulse acceptor of energy, can prevent that lightning induction from causing that by signal transmssion line relevant device damages, simultaneously also convenient in use.In order to address the above problem, the utility model discloses a kind of two-in-one Lightning Electromagnetic Pulse acceptor of energy, comprising: form annular core, coil and the resistance of closed magnetic circuit, described coil winding on annular core, coil two ends contact resistance; Wherein, described annular core is cut into two parts according to axial plane, and wherein the axial plane of a part is less than or equal to described annular core central shaft plane;
In the time that holding wire or power line or cable are installed, first described holding wire or power line or cable are placed in to the described annular core after cutting, then two parts annular core after cutting docks to the annular core of formation closed magnetic circuit.
Preferably, two parts annular core after described cutting is in aggregates by stainless steel restraint zone or copper strips docking.
Preferably, described coil is spirally wound on described annular core successively according to same direction.
Preferably, the part in described coil winding described annular core two parts after cutting, and described holding wire or power line are wrapped in another part of the described annular core after cutting;
Or,
A part in described coil winding described annular core two parts after cutting, and described holding wire or power line stack are wrapped in outside described coil.
Preferably, the winding number of turn of described coil is more than or equal to the winding number of turn of described holding wire or power line.
Preferably, holding wire or power line are wrapped on described annular core.
Preferably, described holding wire or power line are spirally wound on described annular core successively according to same direction.
Preferably, described annular core is made up of silicon steel sheet.
Preferably, the impedance of described resistance equals the output impedance of described coil.
Preferably, described resistance is one or more; When resistance is while being multiple, the connected mode of multiple resistance comprises: serial or parallel connection.
Compared with prior art, the utility model comprises following advantage:
The two-in-one Lightning Electromagnetic Pulse acceptor of energy that the utility model provides, first, only holding wire need to be wound around successively on annular core to some circles can prevent lightning induction, need on the signal path of holding wire, not install components and parts additional, signal is not exerted an influence, use simple.Secondly, the utility model adopts two parts annular core docking after cutting to form, and power line or holding wire or cable directly can be put between two parts annular core after cutting, has avoided inconvenient problem with use; Adopt two parts annular core docking after cutting to form the operation and maintenance that can facilitate two-in-one Lightning Electromagnetic Pulse acceptor of energy.Moreover the utility model has adopted the contrary induction process of lightning induction, the energy producing is responded to away by the principle of electromagnetic induction again, and by resistance absorption, reached good lightning protection effect by lightning induction on holding wire.Then, holding wire or power line in the utility model unload without one end, and then repeatedly wear around, convenient when use.And lightning protection is a system engineering, reach ideal effect, need to adopt multiple lightening arresting method, the utility model can use jointly with additive method, has good transplantability and applicability.
Brief description of the drawings
Fig. 1 is the use schematic diagram of two-in-one Lightning Electromagnetic Pulse acceptor of energy when annular core is two parts according to central shaft plane cutting described in the utility model embodiment;
Fig. 2 is the structural representation of the docking of two-in-one Lightning Electromagnetic Pulse acceptor of energy when annular core is two parts according to central shaft plane cutting described in the utility model embodiment;
Fig. 3 is the structure chart of two-in-one Lightning Electromagnetic Pulse acceptor of energy when annular core is cut into two parts according to non-central axial plane described in the utility model embodiment;
Fig. 4 is the use schematic diagram of two-in-one Lightning Electromagnetic Pulse acceptor of energy when annular core is cut into two parts according to non-central axial plane described in the utility model embodiment;
Fig. 5 is the structural representation of the docking of two-in-one Lightning Electromagnetic Pulse acceptor of energy when annular core is cut into two parts according to non-central axial plane described in the utility model embodiment;
Fig. 6 is sinusoidal voltage oscillogram and the lightning induction timing chart of available technology adopting three-phase four-wire system standard;
Fig. 7 is sinusoidal voltage oscillogram and the lightning induction timing chart of the three-phase four-wire system standard while using two-in-one Lightning Electromagnetic Pulse acceptor of energy of the present utility model.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
With reference to Fig. 1, the use schematic diagram of two-in-one Lightning Electromagnetic Pulse acceptor of energy when showing a kind of described annular core of the utility model and being two parts according to central shaft plane cutting.The plane at the place, the center of circle of the inside/outside ring that wherein, the central shaft plane of annular core is annular core.This two-in-one Lightning Electromagnetic Pulse energy absorption implement body comprises: the annular core of coil 103, cable 104, resistance 102 and formation closed magnetic circuit, described coil 103 is wrapped on a part of annular core 101 in the described annular core two parts after cutting, coil 103 two ends contact resistances 102, wherein, described annular core is two parts according to central shaft plane cutting; In the time that holding wire or power line or cable are installed, first described holding wire or power line or cable are placed in to the described annular core after cutting, then another part annular core 105 after cutting are docked to the annular core of formation closed magnetic circuit with a part of annular core 101 after cutting.
The three-dimensional shape of described annular core can be circle, Long Circle, ellipse.Described annular core can adopt the material that magnetic permeability is higher, for example: silicon steel material or ferrocobalt material or nickel alloy material etc.Preferably, the annular core of the present embodiment adopts the higher silicon steel material of magnetic permeability.Described coil can be enamelled wire or insulated conductor.Described cable can be radio frequency coaxial-cable or electrical source of power cable.
In the time putting into thicker and unbending radiofrequency signal cable or electrical source of power cable in annular core, described annular core is according to two parts of central shaft plane cutting,, part annular core 101 and another part annular core 105, radio frequency coaxial-cable or electrical source of power cable are put in the middle of two parts annular core after cutting, then that two parts annular core after described cutting is in aggregates by stainless steel restraint zone or copper strips docking.Preferably, adopt copper strips dock, copper strips scolding tin, weld more convenient.
It should be noted that, the radio frequency coaxial-cable in the present embodiment or electrical source of power cable are thicker and not flexible, can not be wound around use.
Shown in Fig. 2, the structural representation of the docking of two-in-one Lightning Electromagnetic Pulse acceptor of energy when the described annular core of the utility model embodiment shown in Fig. 1 is two parts according to central shaft plane cutting.
In order to realize, two parts annular core after the cutting of the present embodiment is docked, the present embodiment adopts stainless steel restraint zone or copper strips to being connected into an entirety, in the time of docking, to make the gap between two annular cores after cutting as much as possible little, and the contact area that ensures two annular cores after cutting is enough large, unaffected to guarantee magnetic flux.Docking mode, except can adopting stainless steel restraint zone or copper strips, can also adopt the modes such as fixed support, and the utility model does not limit the docking mode of concrete employing.
It should be noted that, the annular core after the present embodiment cutting is damaged when excessive if there is iron core, can process separately the annular core matching with breach, to guarantee two contacts area that iron core is enough after cutting.
Visible, the utility model adopts two parts annular core docking after cutting to form, and cable directly can be put in the middle of two parts annular core after cutting, has avoided inconvenient problem with use; Adopt two parts annular core docking after cutting to form the operation and maintenance that can facilitate two-in-one Lightning Electromagnetic Pulse acceptor of energy.
In another preferred embodiment of the present utility model, described annular core is cut into two parts according to non-central axial plane, and wherein the axial plane of a part of annular core is less than described annular core central shaft plane, shown in Fig. 3.Specifically comprise: another part annular core 305, holding wire or power line 306, coil 303 and resistance 302 after a part of annular core 301, cutting after cutting.
In use holding wire or power line are wrapped on second half annular core 305 after cutting, described holding wire comprises all kinds transmission lines such as video signal transmission wire, audio signal transmission wire, high-frequency signal transmission wire and digital signal transmission line, described coil 303 is wrapped on second half annular core 305 after described cutting, resistance 302 is connected to the two ends of coil 303, described resistance 302 can be a resistance, can be also multiple resistance series connection or the two ends that are connected to coil 302 afterwards in parallel.
The utility model is applicable to subject to any signal transmssion line of lightning induction, as audio signal transmission wire, video signal transmission wire, high-frequency signal transmission wire, data wire (netting twine) etc.
It should be noted that, the present embodiment is due to the existence of mutual inductance, and resistance is not equal to the induction reactance of coil, and essence is the induction reactance that resistance equals holding wire after impedance transformation, and therefore the impedance of described resistance equals the output impedance of described coil.
With reference to Fig. 4, the use schematic diagram of two-in-one Lightning Electromagnetic Pulse acceptor of energy when a kind of described annular core of the utility model is cut into two parts according to non-central axial plane.Specifically comprise: another part annular core 405, coil 403 and resistance 402 after a part of annular core 401, cutting after cutting.
The present embodiment has two kinds of occupation modes, Yi Zhongshi: the part in described coil winding described annular core two parts after cutting, and described holding wire or power line are wrapped in another part of the described annular core after cutting.Particularly, coil is spirally wound in a part for the annular core after cutting successively according to same direction.
Another kind of occupation mode is: the part in described coil winding described annular core two parts after cutting, and, described holding wire or power line stack are wrapped in outside described coil, particularly, successively holding wire and coil stack are wrapped on described annular core according to same direction.
Visible, holding wire or power line in the utility model unload without one end, then repeatedly wear around, convenient when use.
Shown in Fig. 5, the structural representation of the docking of two-in-one Lightning Electromagnetic Pulse acceptor of energy when annular core described in the utility model embodiment shown in Fig. 4 is cut into two parts according to non-central axial plane
In order to realize, two parts annular core after the cutting of the present embodiment is docked, the present embodiment has adopted stainless steel restraint zone or copper strips to being connected into an entirety, in the time of docking, to make two gaps between annular core as much as possible little, and ensure that two iron core contacts area after cutting are enough large, unaffected to guarantee magnetic flux.Docking mode, except can adopting stainless steel restraint zone or copper strips, can also adopt the modes such as fixed support, and the utility model does not limit the docking mode of concrete employing.
It should be noted that, the annular core after this enforcement cutting is damaged when excessive if there is iron core, can process separately the annular core identical with breach, to guarantee two contacts area that iron core is enough after cutting.
Visible, the utility model adopts two parts annular core docking after cutting to form, and power line good coiling or holding wire directly can be put on an iron core after wherein cutting, has avoided inconvenient problem with use; Adopt two parts annular core docking after cutting to form the operation and maintenance that can facilitate two-in-one Lightning Electromagnetic Pulse acceptor of energy.
Below in conjunction with concrete application example, using method of the present utility model is described.Seriously area of Lightning Disaster now; conventionally adopt three grades of lightning protection (different parts in same supply line adds Surge Protector); but still have lightening pulse to cross three road obstacle access arrangements, equipment is damaged, the reason that causes damage of facilities is Lightning Electromagnetic Pulse.Our country adopts three-phase four-wire power supply, divides 380 volts and 220 volts of power supplies to user side.Taking 220 volts of power supplies as example, shown in Fig. 6, the sinusoidal voltage oscillogram of available technology adopting three-phase four-wire system standard and lightning induction timing chart.Wherein, sinusoidal wave effective value U 63be 220 volts, maximum is be about 310 volts.Line voltage U 65error range allows 10%, its maximum U 62be about 340 volts; The protection voltage of Surge Protector taller go out line voltage maximum more than 30%, U 61be about 442 volts, as can be seen here, in the time of the negative maximum of line voltage, have lightning induction to go out a positive electromagnetic pulse U 64, when its amplitude can reach 752 volts, Surge Protector still can not be identified and be protected.
The utility model can use in the middle of two Surge Protectors in three-phase four-wire system circuit in the prior art; a part for Lightning Electromagnetic Pulse just (can born) to pulse energy and transferred to negative (just) half cycle, reference Figure 7 shows that sinusoidal voltage oscillogram and the lightning induction timing chart of the three-phase four-wire system standard of two-in-one Lightning Electromagnetic Pulse acceptor of energy of the present utility model.Wherein, sinusoidal wave effective value U 73be 220 volts, maximum is be about 310 volts.Line voltage U 75error range allows 10%, its maximum U 72be about 340 volts; The protection voltage of Surge Protector taller go out line voltage maximum more than 30%, U 71be about 442 volts, Lightning Electromagnetic Pulse acceptor of energy of the present utility model is used in the middle of two Surge Protectors, by voltage U 71the positive electromagnetic pulse energy of a part is transferred to negative half period pulse energy U 74thereby, reduce the amplitude of the positive electromagnetic pulse of lightning induction, be conducive to Surge Protector identification protecting.
Two-in-one Lightning Electromagnetic Pulse energy absorption implement body of the present utility model uses the implementation method in the middle of two Surge Protectors: first; can together with single-phase two power lines (live wire and zero line), be wrapped in (pulse of inhibition common mode) on annular core; or, a power line is wherein wrapped on annular core and (suppresses differential mode pulse).The normal city voltage drop that it should be noted that two-in-one Lightning Electromagnetic Pulse acceptor of energy of the present utility model is unlikely to affect normal electricity consumption, the resistance of two-in-one Lightning Electromagnetic Pulse acceptor of energy of the present utility model can not be overheated, and on resistance, dissipation power is less than resistance and can bear power.Secondly, in two-in-one Lightning Electromagnetic Pulse acceptor of energy of the present utility model, three same directions of live wire of three phase mains are wrapped on annular core successively, or zero line is wrapped on annular core, then or live wire and zero line are wrapped on annular core simultaneously.Concrete canoe can be selected using method targetedly according to actual conditions, and the utility model does not do concrete restriction.
The utility model is cut into two parts by described annular core according to axial plane, and wherein the axial plane of a part is less than or equal to described annular core central shaft plane; In the time that holding wire or power line or cable are installed, first described holding wire or power line or cable are placed in to the described annular core after cutting, then two parts annular core after cutting docks to the annular core of formation closed magnetic circuit.
Above to the two-in-one Lightning Electromagnetic Pulse acceptor of energy of one provided by the utility model, be described in detail, applied concrete each example herein principle of the present utility model and execution mode are set forth, the explanation of above embodiment is just for helping to understand method of the present utility model and core concept thereof; , for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model meanwhile.

Claims (10)

1. a two-in-one Lightning Electromagnetic Pulse acceptor of energy, is characterized in that, comprising: form annular core, coil and the resistance of closed magnetic circuit, described coil winding on annular core, coil two ends contact resistance; Wherein, described annular core is cut into two parts according to axial plane, and wherein the axial plane of a part is less than or equal to described annular core central shaft plane;
In the time that holding wire or power line or cable are installed, first described holding wire or power line or cable are placed in to the described annular core after cutting, then two parts annular core after cutting docks to the annular core of formation closed magnetic circuit.
2. acceptor of energy according to claim 1, is characterized in that,
Two parts annular core after described cutting is in aggregates by stainless steel restraint zone or copper strips docking.
3. acceptor of energy according to claim 1, is characterized in that,
Described coil is spirally wound on described annular core successively according to same direction.
4. acceptor of energy according to claim 3, is characterized in that,
A part in described coil winding described annular core two parts after cutting, and described holding wire or power line are wrapped in another part of the described annular core after cutting;
Or,
A part in described coil winding described annular core two parts after cutting, and described holding wire or power line stack are wrapped in outside described coil.
5. acceptor of energy according to claim 3, is characterized in that,
The winding number of turn of described coil is more than or equal to the winding number of turn of described holding wire or power line.
6. acceptor of energy according to claim 1, is characterized in that,
Holding wire or power line are wrapped on described annular core.
7. acceptor of energy according to claim 6, is characterized in that,
Described holding wire or power line are spirally wound on described annular core successively according to same direction.
8. acceptor of energy according to claim 1, is characterized in that,
Described annular core is made up of silicon steel sheet.
9. acceptor of energy according to claim 1, is characterized in that,
The impedance of described resistance equals the output impedance of described coil.
10. acceptor of energy according to claim 1, is characterized in that, described resistance is one or more;
When resistance is while being multiple, the connected mode of multiple resistance comprises: serial or parallel connection.
CN201320881862.0U 2013-12-26 2013-12-26 Two-in-one lightning electromagnetic pulse energy absorber Expired - Lifetime CN203747403U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107968390A (en) * 2017-11-01 2018-04-27 李宝华 A kind of Lightning Electromagnetic Pulse energy absorption filtering system
CN108023559A (en) * 2018-01-11 2018-05-11 煤炭科学技术研究院有限公司 A kind of wave filter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107968390A (en) * 2017-11-01 2018-04-27 李宝华 A kind of Lightning Electromagnetic Pulse energy absorption filtering system
CN108023559A (en) * 2018-01-11 2018-05-11 煤炭科学技术研究院有限公司 A kind of wave filter

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20190830

Address after: 130200 Helong Street, Helong Economic Development Zone, Nong'an County, Changchun City, Jilin Province

Patentee after: JILIN TAIHUA ELECTRONICS CO.,LTD.

Address before: 133000 Yanbian Korean Autonomous Prefecture, Jilin Province, Yanji Korean Autonomous Prefecture, Yanji City, 1558 Bureau Street Broadcasting Station

Patentee before: Li Baohua

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20140730