CN202737458U - Civilian electricity network lightning protector - Google Patents
Civilian electricity network lightning protector Download PDFInfo
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- CN202737458U CN202737458U CN 201220423986 CN201220423986U CN202737458U CN 202737458 U CN202737458 U CN 202737458U CN 201220423986 CN201220423986 CN 201220423986 CN 201220423986 U CN201220423986 U CN 201220423986U CN 202737458 U CN202737458 U CN 202737458U
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Abstract
The utility model relates to a civilian electricity network lightning protector which comprises a network power supply interface and lightning protection circuits. The network power supply interface consists of an input interface and an output interface. The input interface is connected with an earth leakage protective device. The output interface is connected with an electric device. The lightning protector comprises multiple groups of lightning protection circuits. A lightning protection circuit comprises a protector, a gas discharge tube, a choke and a varistor, wherein the fuse, the gas discharge tube, the choke and the varistor are sequentially connected. Gas discharge tubes, varistors and protectors are successively connected between a live line and a zero line to form different lightning protection circuits. According to the utility model, five-stage voltage reduction protection treatment is adopted; surge between lines discharges and surge between lines discharges to the ground, thus the voltage is reduced, and overload and overcurrent protection, voltage sensitive fast recovery, and voltage sensitive treatment are realized; and the civilian electricity network lightning protector is connected in series with a circuit for use, so that the voltage reaches the normal voltage standard of an electric appliance; and great harms to the living and production of people, which are brought by lightning surge voltage, are solved.
Description
Technical field
This Shi Xin Xing Wataru and a kind of lightning arrester.Especially a kind of civilian electric power networks lightning arrester.
Background technology
Thunder and lightning causes the natural calamity scope increasingly to enlarge, and vertiginous lightning current can produce high voltage and cause the insulation of system destroyed at electric loop and twin conductor induction.The various operations of electric power system can produce switching overvoltage at power circuit; Some electric equipment switching manipulations, short circuit tripping operation etc. can produce the overvoltage (surge voltage) that is higher than normal working voltage thereby power consumption equipment is produced harm in power circuit, property is caused irremediable loss, particularly Lightning Electromagnetic Pulse is to the power equipment of all trades and professions, and electrical appliance causes great destruction.And in the social economy that develops rapidly, computer, TV, refrigerator and various household electrical appliances are people's indispensable requisites, and all everything all is connected on the power network, in the time of lightning strikes, if lightning arrester is not installed, when the moment that thunder and lightning occurs, the surge voltage bamboo telegraph that produces will cause great destructive power to various household electrical appliance and power equipment, cause large-area household electrical appliances to damage, cause loss of life or personal injury when more serious, and fire, huge property loss caused to people.So in order to reduce thunder and lightning to the harm of people's productive life, lightning arrester is installed, existing lightning arrester is connected in parallel on the circuit, can only discharge over the ground, the same large with voltage on the power circuit in surge voltage that lightning arrester produces, and do not have the overload flow device on the lightning arrester, can not effectively resist thunder and lightning.Develop civilian electric power networks lightning arrester ready to appear for this reason.
Summary of the invention
Goal of the invention of the present utility model is to only have over the ground discharge for the lightning arrester of prior art, and be connected in parallel on the circuit, the same large with voltage on the power circuit in surge voltage that lightning arrester produces, and there are not many defectives of overload flow device, provide a kind of and can alleviate surge voltage, electric current, and the impact of induced voltage, make a response in advance when the moment that grid equipment and household electrical appliance are struck by lightning, guarantee the civilian electric power networks lightning arrester of electrical appliance safety.Realize above-mentioned purpose by the following technical solutions: a kind of civilian electric power networks lightning arrester, comprise network electric power interface and lightning-arrest loop, the network electric power interface is comprised of input interface and output interface, input interface is connected with earth leakage protective device, output interface is connected with power consumption equipment, described lightning arrester is comprised of many groups of lightning-arrest loops, lightning-arrest loop is by protector device FU1, FU2, gas discharge tube GDT1--GDT5, choke L1, L2, piezo-resistance R1--R4 connects to form according to the order of sequence, gas discharge tube GDT1--GDT5, piezo-resistance R1--R4 successively with protector FU1, FU2 is connected to and consists of different lightning-arrest loops between live wire and the zero line, and described choke L1 one end is connected with protector FU1, and the other end is connected with output interface; Choke L2 one end is connected with protector FU2, and the other end is connected with input interface.
Described gas discharge tube GDT1 one end is connected with protector FU1, choke L1, and the other end is connected with protector FU2, choke L2, places between live wire and the zero line, forms the lightning-arrest loop of the first via.
Described gas discharge tube GDT2 one end is connected with protector FU1, choke L1, other end ground connection, and protector FU1 is connected with input interface, and by protector FU1, L1 and ground form the loop, form the second tunnel lightning-arrest loop.
Described gas discharge tube GDT4 one end is connected with choke L1, protector FU1, other end ground connection, and protector FU1 is connected with input interface, and by protector FU1, L1 and ground form the loop, form the lightning-arrest loop of Third Road.
Described piezo-resistance R1 one end is connected other end ground connection and forms the loop with choke L1, protector FU1, form the four tunnel lightning-arrest loop.
Described piezo-resistance R3, R4 are connected in parallel on the loop, and an end is connected with choke L1, protector FU1 respectively, and the other end is connected with choke L2, protector FU2 respectively, form the 5th, the six tunnel lightning-arrest loop.
Described piezo-resistance R2 one end is connected with choke L2, protector FU2, and other end ground connection forms the seven tunnel lightning-arrest loop.
Described gas discharge tube GDT5 one end is connected with choke L2, protector FU2, other end ground connection, and protector FU2 is connected with input interface, forms the loop by choke L2, protector FU2 and ground, forms the eight tunnel lightning-arrest loop.
Described gas discharge tube GDT5 one end is connected with choke L2, protector FU2, other end ground connection, and protector FU2 is connected with input interface, forms the loop by choke L2, protector FU2 with ground, forms the nine tunnel lightning-arrest loop.
Adopt technique scheme; remarkable advantage of the present utility model is: adopt Pyatyi step-down conservation treatment; through surge discharge over the ground step-down, overload flow protection, pressure-sensitive fast quick-recovery, pressure-sensitive processing between surge discharge, line between line; the utility model is connected on the circuit and uses; make the voltage reach electrical appliance normal voltage standard, solved lightning surge voltage and lived to people and produce the very big harm that brings.
Description of drawings
Fig. 1 is syndeton schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
See Fig. 1, the present embodiment is a kind of civilian electric power networks lightning arrester, this electric power networks lightning arrester comprises network electric power interface and lightning-arrest loop, wherein there are two power interfaces in lightning-arrest loop, and one is input interface RJ1, and individual in addition is output interface RJ2,1 of RJ1,2 pin, 3,4 pin of RJ2 are connected with the lightning-arrest loop of lightning arrester respectively.Input interface RJ1 connects earth leakage protective device, and output interface RJ2 connects power consumption equipment.The present networks lightning arrester utilizes the principle of symmetrical discharge, is provided with nine groups of different lightning-arrest loops, and each loop is respectively by protector FU1:FU2, gas discharge tube GDT1--GDT5, and choke L1, L2, and piezo-resistance R1--R4 connects to form nine tunnel lightning-arrest loops according to the order of sequence.Choke L1 one end is connected with protector FU1, and the other end is connected with output interface; Choke L2 one end is connected with protector FU2, and the other end is connected with input interface.
The first via loop of taking shelter from the thunder: formed by gas discharge tube GDT1, protector FU1, choke L1, gas discharge tube GDT1 one end is connected with protector FU1, choke L1, the other end is connected with protector FU2, choke L2, places between live wire and the zero line, forms the lightning-arrest loop of the first via.The lightning-arrest loop of the first via utilizes gas discharge tube GDT1 to set up a wall between live wire and zero line, and automatic discharging when surge voltage exceeds safety value is realized the purpose of discharging between line between zero line and the live wire.
The the second tunnel lightning-arrest loop: formed by gas discharge tube GDT2, protector FU1, choke L1, gas discharge tube GDT2 one end is connected (being connected with live wire) with protector FU1, choke L1, other end ground connection, protector FU1 is connected with input interface, by protector FU1, L1 and ground form the loop, form the second tunnel lightning-arrest loop.
The Third Road loop of taking shelter from the thunder: formed by gas discharge tube GDT4, choke L1, protector FU1, gas discharge tube GDT4 one end is connected (being connected with live wire) with choke L1, protector FU1, other end ground connection, protector FU1 is connected with input interface, by protector FU1, L1 and ground form the loop, form the lightning-arrest loop of Third Road.
The setting in second, third lightning-arrest loop: discharge tube one end GDT2, GDT4 links to each other with thermoelectricity, other end ground connection, by protector FU1, L1 and ground form the loop, when there being large electric current to pass through choke, choke has the effect of lagging current, thereby reach the variation on discharge time, play the long effect of drawing, for GDT2 discharges the time that obtains, thereby fully discharge, for GDT4 voltage has obtained decline, GDT4 again over the ground discharge voltage is descended again reach the purpose of the second, three step-down.
The four tunnel lightning-arrest loop: be comprised of piezo-resistance R1, choke L1, protector FU1, piezo-resistance R1 one end is connected other end ground connection and forms the loop with choke L1, protector FU1, forms the four tunnel lightning-arrest loop.Utilize the fast piezo-resistance R1 of recovery and protector FU1, choke L1 and ground=form the loop, fast to remaining ultra-voltage ground short circuit discharge, bleed off and exceed safety value and get voltage.
Five, the six tunnel lightning-arrest loop: by piezo-resistance R3, R4, choke L1, protector FU1 form.Piezo-resistance R3, R4 are connected in parallel on the loop, and an end is connected with choke L1, protector FU1 respectively, and the other end is connected with choke L2, protector FU2 respectively, form the 5th, the six tunnel lightning-arrest loop.Five, six tunnel lightning-arrest loops utilize piezo-resistance R3, and the characteristic of R4 forms two walls and realizes twice overpressure protection between remaining line, thereby make magnitude of voltage close to standard value through layer by layer step-down processing.
The seven tunnel lightning-arrest loop: be comprised of resistance R 2, choke L2, protector FU2, piezo-resistance R2 one end is connected with choke L2, protector FU2, and other end ground connection forms the seven tunnel lightning-arrest loop.
Utilize the fast piezo-resistance R2 of recovery and protector FU1, choke L1 and ground to form the loop, fast to remaining ultra-voltage ground short circuit discharge, bleed off and exceed safety value and get voltage.
The eight tunnel lightning-arrest loop: formed by gas discharge tube GDT5, choke L2, protector FU2, gas discharge tube GDT5 one end is connected with choke L2, protector FU2, other end ground connection, protector FU2 is connected with input interface, form the loop by choke L2, protector FU2 and ground, form the eight tunnel lightning-arrest loop.
The nine tunnel lightning-arrest loop: formed by gas discharge tube GDT5, choke L2 and protector FU2, gas discharge tube GDT5 one end is connected with choke L2, protector FU2, other end ground connection, protector FU2 is connected with input interface, form the loop by choke L2, protector FU2 with ground, form the nine tunnel lightning-arrest loop.
Eight, the setting in the 9th lightning-arrest loop: discharge tube GDT3, GDT5 one end links to each other with live wire, other end ground connection, by protector FU2, choke L2 forms the loop with ground, when large electric current being arranged by choke L2, choke L2 has the effect of lagging current, thereby reach the variation on discharge time, play the long effect of drawing, for GDT3 discharges the time that obtains, thereby fully discharge, for GDT5 voltage has obtained decline, GDT5 again over the ground discharge voltage is descended again reach the purpose of the four, the five step-down.
Operation principle of the present utility model
With reference to Fig. 1, nine lightning-arrest loops that the electric power networks lightning arrester arranges, each loop is minimum has adopted the lightning-arrest design of secondary, comprises the input protector FU1 in loop, gas discharge tube GDT1, GDT2, GDT4, choking-winding L1, piezo-resistance R1, R3, repeatedly over the ground discharge after R4 connects, the degression type step-down has guaranteed that electrical appliance is not smashed by thunder and lightning.The setting of protector FU1 has namely prevented powerful electric current to the electrical appliance injury, has also protected lightning arrester simultaneously.Gas discharge tube GDT2; GDT4 and protector FU1 with after choking-winding L1 connects again parallel connection be in order to alleviate the powerful electric current of thunder and lightning; reach the order ground of realizing in time time-delay; while protector FU1 current limliting; piezo-resistance R1, R3, R4 has Immediate Protective Effects according to their characteristic to whole supply network; so the output end voltage of electric power networks lightning arrester can not be higher than normal working voltage, that is to say whole family electric power system has been played effective protective effect.
The utility model can be installed in the various sockets and used electric equipment the inside according to the network connection needs, can directly be serially connected on the circuit and use.
Claims (9)
1. civilian electric power networks lightning arrester, comprise network electric power interface and lightning-arrest loop, the network electric power interface is comprised of input interface and output interface, input interface is connected with earth leakage protective device, output interface is connected with power consumption equipment, it is characterized in that, described lightning arrester is comprised of many groups of lightning-arrest loops, lightning-arrest loop is by protector FU1, FU2, gas discharge tube GDT1--GDT5, choke L1, L2, piezo-resistance R1--R4 connects to form according to the order of sequence, gas discharge tube GDT1--GDT5, piezo-resistance R1--R4 successively with protector FU1, FU2 is connected to and consists of different lightning-arrest loops between live wire and the zero line, and described choke L1 one end is connected with protector FU1, and the other end is connected with output interface; Choke L2 one end is connected with insurance FU2, and the other end is connected with input interface.
2. civilian electric power networks lightning arrester according to claim 1, it is characterized in that, described gas discharge tube GDT1 one end is connected with protector FU1, choke L1, and the other end is connected with protector FU2, choke L2, place between live wire and the zero line, form the lightning-arrest loop of the first via.
3. civilian electric power networks lightning arrester according to claim 1, it is characterized in that, described gas discharge tube GDT2 one end is connected with protector FU1, choke L1, other end ground connection, protector FU1 is connected with input interface, by protector FU1, choke L1 forms the loop with ground, forms the second tunnel lightning-arrest loop.
4. civilian electric power networks lightning arrester according to claim 1, it is characterized in that, described gas discharge tube GDT4 one end is connected with choke L1, protector FU1, other end ground connection, protector FU1 is connected with input interface, by protector FU1, L1 and ground form the loop, form the lightning-arrest loop of Third Road.
5. civilian electric power networks lightning arrester according to claim 1 is characterized in that, described piezo-resistance R1 one end is connected other end ground connection and forms the loop with choke L1, protector FU1, forms the four tunnel lightning-arrest loop.
6. civilian electric power networks lightning arrester according to claim 1, it is characterized in that, described piezo-resistance R3, R4 are connected in parallel on the loop, one end is connected with choke L1, protector FU1 respectively, the other end is connected with choke L2, protector FU2 respectively, forms the 5th, the six tunnel lightning-arrest loop.
7. civilian electric power networks lightning arrester according to claim 1 is characterized in that, described piezo-resistance R2 one end is connected with choke L2, protector FU2, and other end ground connection forms the seven tunnel lightning-arrest loop.
8. civilian electric power networks lightning arrester according to claim 1, it is characterized in that, described gas discharge tube GDT5 one end is connected with choke L2, protector FU2, other end ground connection, protector FU2 is connected with input interface, form the loop by choke L2, protector FU2 and ground, form the eight tunnel lightning-arrest loop.
9. civilian electric power networks lightning arrester according to claim 1, it is characterized in that, described gas discharge tube GDT5 one end is connected with choke L2, protector FU2, other end ground connection, protector FU2 is connected with input interface, form the loop by choke L2, protector FU2 with ground, form the nine tunnel lightning-arrest loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220423986 CN202737458U (en) | 2012-08-24 | 2012-08-24 | Civilian electricity network lightning protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220423986 CN202737458U (en) | 2012-08-24 | 2012-08-24 | Civilian electricity network lightning protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202737458U true CN202737458U (en) | 2013-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220423986 Expired - Fee Related CN202737458U (en) | 2012-08-24 | 2012-08-24 | Civilian electricity network lightning protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202737458U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895374A (en) * | 2015-10-06 | 2017-06-27 | 爱飞乐公司 | The arrester of landing area floodlight system and the secondary circuit of landing area floodlight system |
-
2012
- 2012-08-24 CN CN 201220423986 patent/CN202737458U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895374A (en) * | 2015-10-06 | 2017-06-27 | 爱飞乐公司 | The arrester of landing area floodlight system and the secondary circuit of landing area floodlight system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20150824 |
|
| EXPY | Termination of patent right or utility model |