CN204885830U - Lightnig protector - Google Patents
Lightnig protector Download PDFInfo
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- CN204885830U CN204885830U CN201520588309.7U CN201520588309U CN204885830U CN 204885830 U CN204885830 U CN 204885830U CN 201520588309 U CN201520588309 U CN 201520588309U CN 204885830 U CN204885830 U CN 204885830U
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- spherical shell
- downlead
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- base
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Abstract
The utility model relates to a thunder protection field technical field especially relates to a lightnig protector. This lightnig protector is including connecing the sudden strain of a muscle pole, guide's spherical shell, a pedestal, coupling transformer, zinc oxide arrester and first downlead and second downlead, wherein, it is connected to connect sudden strain of a muscle pole and base to electrically conduct, guide's spherical shell suit is on connecing the sudden strain of a muscle pole, the area of contact with the electric charge has been increased, can the guide emit partial lightning current before the thunderbolt, restriction lightning current amplitude and steepness, and the upper end of guide's spherical shell is connected with connecing sudden strain of a muscle rod guidance electricity, the lower extreme of guide's spherical shell is connected with connecing the insulation of sudden strain of a muscle pole, first downlead passes through zinc oxide arrester and is connected with guide's spherical shell, the second downlead passes through coupling transformer and is connected with the base, form two parallelly connected circuit, play the effect of reposition of redundant personnel.
Description
Technical field
The utility model relates to thunder protection art field, particularly relates to a kind of lightning arrester.
Background technology
Current direct lightning stroke protective method in the world mainly installs Franklin lightning rod on fixing building, structures; be characterized in utilizing the height of self, top needle point charge inducing makes air ionization; thundercloud electric field distorts; thunder and lightning is attracted in self through downlead excretion extremely greatly, replace protected object to be struck by lightning.
And the voltage peak of direct lightning strike can reach the even millions of volt of several ten thousand volts usually, current peak can reach tens KA and even hundreds of KA, when lightning current rising steepness is large, amplitude is that the lightning current of tens to hundreds of kilo-ampere is when flowing through lightning rod and downlead, the hurried rising of the current potential of needle body, downlead and earth electrode can be caused, cause the counterattack to protection; People and animal ground or contact downlead near lightning strike spot during thunderbolt, can be subject to very high step voltage or touch voltage effect and threat to life; The powerful lightning current simultaneously flowing through lightning rod can cause malfunction and the damage of electric equipment at the induction field that its week dimension space is formed, particularly extremely dangerous to weak current equipment, explosives, inflammable items, adopt conventional lightning conductor when protecting, run into direct lightning strike very easily lighting protection unsuccessfully cause massive losses.
Utility model content
(1) technical problem that will solve
The purpose of this utility model provides one can pilot discharge, and the lightning arrester of restriction amplitude of lightning current and steepness, to improve the success rate of the lighting protection of direct lightning strike.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of lightning arrester, comprise and connect sudden strain of a muscle bar, guide's spherical shell, base, coupling transformer, zinc oxide arrester and the first downlead and the second downlead, described connecing is dodged bar and is conducted electricity with described base and be connected, connect described in described guide's spherical shell is sleeved on and dodge on bar, and the upper end of described guide's spherical shell is dodged bar and is conducted electricity with described connecing and be connected, lower end is dodged bar and is insulated with described connecing and be connected, described first downlead is connected with described guide's spherical shell by described zinc oxide arrester, described second downlead is connected with described base by described coupling transformer.
Preferably, described coupling transformer comprises primary coil and secondary coil, and one end of described primary coil is connected with described base, and the other end is connected with described second downlead, and described secondary coil is closing coil.
Preferably, the coil turn of described primary coil is two times of the coil turn of described secondary coil.
Preferably, described in connect dodge bar lower end be arranged with insulating sleeve, the upper end of described insulating sleeve is stretched in guide's spherical shell, and lower end is connected with described base.
Preferably, described insulating sleeve is also arranged with conductive casings outward, insulate with described base and be connected in the lower end of described conductive casings, and upper end is conducted electricity with described guide's spherical shell and is connected, and described zinc oxide arrester is connected with described guide's spherical shell by described conductive casings.
Preferably, described guide's spherical shell lower end is provided with fixture, and described fixture is threaded with described conductive casings.
Preferably, described primary coil and secondary coil form by steel wire, copper cash or aluminum steel coiling.
Preferably, the material of described insulating sleeve is polytetrafluoro, polyimides or pottery.
Preferably, be also provided with water tank, described coupling transformer is arranged in described water tank.
(3) beneficial effect
Technique scheme tool of the present utility model has the following advantages: the lightning arrester that the utility model embodiment provides comprises and connects sudden strain of a muscle bar, guide's spherical shell, base, coupling transformer, zinc oxide arrester and the first downlead and the second downlead, wherein, connect and dodge bar and conduct electricity with base and be connected, guide's spherical shell is sleeved on to connect and dodges on bar, add the contact area with electric charge, guide part lightning current can be released before thunderbolt, restriction amplitude of lightning current and steepness, and the upper end of guide's spherical shell is dodged bar and is conducted electricity and be connected with connecing, the lower end of guide's spherical shell is dodged bar and is insulated and be connected with connecing, first downlead is connected with guide's spherical shell by zinc oxide arrester, second downlead is connected with base by coupling transformer, form two circuit in parallel, play the effect of shunting.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment lightning arrester.
In figure: 1: connect sudden strain of a muscle bar; 2: guide's spherical shell; 3: base; 4: zinc oxide lightning protection device; 5: coupling transformer; 51: primary coil; 52: secondary coil; 6: water tank 7: the first downlead; 8: the second downleads; 9: conductive casings; 10: insulating sleeve; 11: fixture.
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
As shown in Figure 1, the lightning arrester that the utility model embodiment provides comprise connect dodge bar 1, guide's spherical shell 2, base 3, coupling transformer 5, zinc oxide arrester 4 and the first downlead 7 and the second downlead 8, wherein, connect and dodge bar 1 and conduct electricity with base 3 and be connected, guide's spherical shell 2 is sleeved on to connect and dodges on bar 1, add the contact area with electric charge, guide part lightning current can be released before thunderbolt, restriction amplitude of lightning current and steepness, and the upper end of guide's spherical shell 2 is dodged bar 1 and is conducted electricity and be connected with connecing, the lower end of guide's spherical shell 2 is dodged bar 1 and is insulated and be connected with connecing, first downlead 7 is connected with guide's spherical shell 2 by zinc oxide arrester 4, second downlead 8 is connected with base 3 by coupling transformer 5, form two circuit in parallel, play the effect of shunting.
It should be noted that, lightning arrester also only can arrange a downlead, and zinc oxide arrester and coupling transformer are all connected on same downlead.
Wherein, coupling transformer 5 comprises primary coil 51 and secondary coil 52, one end of primary coil 51 is connected with base 3, the other end is connected with the second downlead 8, secondary coil 52 is closing coil, by the mode transferring energy of electromagnetic induction between secondary coil 52 and primary coil 51, portion of electrical current can be converted into heat energy, limit amplitude of lightning current further.
After secondary coil 52 is subject to primary coil 51 electromagnetic induction, voltage (induced electromotive force) will be produced at secondary coil 52, and the height of secondary voltage is relevant with the number of turn of secondary coil 52, more repeatedly step voltage will be higher for the number of turn of secondary coil 52, preferably, the coil turn of primary coil 51 is two times of the coil turn of secondary coil 52.
More preferably, primary coil 51 and secondary coil 52 form by coilings such as the good steel wire of electric conductivity, copper cash or aluminum steels.
In order to strengthen the heat radiation of coupling transformer 5, preferably, outside primary coil 51 and secondary coil 52, do the high-temperature insulation materials such as organosilicon and do high-temperature insulation process.
Dodge bar 1 in order to make the lower end of guide's spherical shell 2 and insulate and be connected with connecing, preferably, as shown in Figure 1, dodge bar 1 lower end and be arranged with insulating sleeve 10 connecing, the upper end of insulating sleeve 10 is stretched in guide's spherical shell 2, namely keeps off and dodging between bar 1 at guide's spherical shell 2 and connecing, make guide's spherical shell 2 with connect dodge bar 1 insulation be connected, the lower end of guide's spherical shell 2 is connected with base 3, and certainly, insulating sleeve 10 also only can cover the lower end of guide's spherical shell 2 and the junction of base 3.
Wherein, the material of insulating sleeve 10 is the polytetrafluoro of high temperature insulation better performances, the material such as polyimides or pottery makes.
Conveniently zinc oxide arrester 4 conducts electricity with guide's spherical shell 2 and is connected, preferably, as shown in Figure 1, insulating sleeve 10 is outer is also arranged with conductive casings 9, insulate with base 3 and be connected in the lower end of conductive casings 9, can be specifically that base 3 is provided with insulation cushion, the lower end of conductive casings 9 contacts with the insulation cushion on base 3 and connects, also can be that insulating sleeve 10 lower end has flange, the lower end of conductive casings 9 is placed on the flange of insulating sleeve 10 lower end, the upper end of conductive casings 9 is conducted electricity with guide's spherical shell 2 and is connected, zinc oxide arrester 4 can be connected with conductive casings 9 by wire, wire is wound on conductive casings 9, realize the first downlead 7 to be connected with the conduction of zinc oxide arrester 4 with guide's spherical shell 2.
Conveniently fix guide's spherical shell 2, and increase the electric conductivity of guide's spherical shell 2 and conductive casings, preferably, as shown in Figure 1, arrange fixture 11 in the lower end of guide's spherical shell 2, this fixture 11 is threaded with conductive casings 9, the lower end of guide's spherical shell 2 is placed on fixture 11, the relative position of threaded adjusting fixture 11 and conductive casings can be passed through, thus the position of suitable adjustment guide spherical shell 2, facilitate it to install fixing.
In use, part electric energy can be converted to heat energy, in order to strengthen the heat radiation of coupling transformer 5 by coupling transformer 5, preferably, as shown in Figure 1, water tank 8 is set, be placed in water tank after coupling transformer 5 being done insulation water-proofing treatment, strengthen the heat radiation of coupling transformer 5.
During use; before thunderbolt; guide's spherical shell 2 meeting absorption portion electric charge; before thunderbolt, guide can release part lightning current, restriction amplitude of lightning current and steepness, after thunderbolt; one road electric current is introduced to the earth through connecing sudden strain of a muscle bar 1, base 3, coupling transformer 5 and the second downlead 8; another road electric current is introduced to the earth through connecing sudden strain of a muscle bar 1, guide's spherical shell 2, zinc oxide arrester 4 and the first downlead 7, thus realizes lightning current shunting, reduces thunder and lightning to the impact of protected object.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (9)
1. a lightning arrester, it is characterized in that: comprise connecing and dodge bar, guide's spherical shell, base, coupling transformer, zinc oxide arrester and the first downlead and the second downlead, described connecing is dodged bar and is conducted electricity with described base and be connected, connect described in described guide's spherical shell is sleeved on and dodge on bar, and the upper end of described guide's spherical shell is dodged bar and is conducted electricity with described connecing and be connected, lower end is dodged bar and is insulated with described connecing and be connected, described first downlead is connected with described guide's spherical shell by described zinc oxide arrester, and described second downlead is connected with described base by described coupling transformer.
2. lightning arrester according to claim 1, it is characterized in that: described coupling transformer comprises primary coil and secondary coil, and one end of described primary coil is connected with described base, the other end is connected with described second downlead, and described secondary coil is closing coil.
3. lightning arrester according to claim 2, is characterized in that: the coil turn of described primary coil is two times of the coil turn of described secondary coil.
4. lightning arrester according to claim 1, is characterized in that: described in connect dodge bar lower end be arranged with insulating sleeve, the upper end of described insulating sleeve is stretched in guide's spherical shell, and lower end is connected with described base.
5. lightning arrester according to claim 4, it is characterized in that: described insulating sleeve is also arranged with conductive casings outward, insulate with described base and be connected in the lower end of described conductive casings, upper end is conducted electricity with described guide's spherical shell and is connected, and described zinc oxide arrester is connected with described guide's spherical shell by described conductive casings.
6. lightning arrester according to claim 5, is characterized in that: described guide's spherical shell lower end is provided with fixture, and described fixture is threaded with described conductive casings.
7. lightning arrester according to claim 3, is characterized in that: described primary coil and secondary coil form by steel wire, copper cash or aluminum steel coiling.
8. lightning arrester according to claim 4, is characterized in that: the material of described insulating sleeve is polytetrafluoro, polyimides or pottery.
9. the lightning arrester according to any one of claim 1-8, is characterized in that: be also provided with water tank, and described coupling transformer is arranged in described water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520588309.7U CN204885830U (en) | 2015-08-06 | 2015-08-06 | Lightnig protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520588309.7U CN204885830U (en) | 2015-08-06 | 2015-08-06 | Lightnig protector |
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| Publication Number | Publication Date |
|---|---|
| CN204885830U true CN204885830U (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520588309.7U Active CN204885830U (en) | 2015-08-06 | 2015-08-06 | Lightnig protector |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106785936A (en) * | 2016-12-20 | 2017-05-31 | 成都佰思汇信科技有限责任公司 | A kind of skyscraper lightning rod |
| CN106981856A (en) * | 2016-01-15 | 2017-07-25 | 五冶集团上海有限公司 | A kind of installation method of pre-arcing lightning rod |
| CN107732854A (en) * | 2017-11-23 | 2018-02-23 | 尹风玲 | A kind of lightning arrester of transformer station |
| CN112531465A (en) * | 2020-11-03 | 2021-03-19 | 国网河南省电力公司林州市供电公司 | Lightning arrester for power equipment |
-
2015
- 2015-08-06 CN CN201520588309.7U patent/CN204885830U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106981856A (en) * | 2016-01-15 | 2017-07-25 | 五冶集团上海有限公司 | A kind of installation method of pre-arcing lightning rod |
| CN106785936A (en) * | 2016-12-20 | 2017-05-31 | 成都佰思汇信科技有限责任公司 | A kind of skyscraper lightning rod |
| CN107732854A (en) * | 2017-11-23 | 2018-02-23 | 尹风玲 | A kind of lightning arrester of transformer station |
| CN107732854B (en) * | 2017-11-23 | 2019-10-11 | 江苏禹高物联科技有限公司 | A kind of lightning arrester of substation |
| CN112531465A (en) * | 2020-11-03 | 2021-03-19 | 国网河南省电力公司林州市供电公司 | Lightning arrester for power equipment |
| CN112531465B (en) * | 2020-11-03 | 2023-02-24 | 国网河南省电力公司林州市供电公司 | Lightning arrester for power equipment |
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| GR01 | Patent grant |