CN206332448U - A kind of lightning protection circuit and apply its lightning protection power source - Google Patents
A kind of lightning protection circuit and apply its lightning protection power source Download PDFInfo
- Publication number
- CN206332448U CN206332448U CN201621231615.6U CN201621231615U CN206332448U CN 206332448 U CN206332448 U CN 206332448U CN 201621231615 U CN201621231615 U CN 201621231615U CN 206332448 U CN206332448 U CN 206332448U
- Authority
- CN
- China
- Prior art keywords
- lightning protection
- conductor
- protection circuit
- piezo
- resistance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/06—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using spark-gap arresters
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model provides a kind of lightning protection circuit and applies its lightning protection power source, and the lightning protection circuit includes：Spray point, the spray point includes：The first conductor and the second conductor being oppositely arranged；Wherein, the space relative distance between first conductor and second conductor is set according to lightning protection grade；The pad spacing of first conductor and second conductor is set according to creep age distance or the class of insulation.The lightning protection circuit and using its lightning protection power source can meet simultaneously first kind power supply lightning protection requirement and Equations of The Second Kind power supply safety requirement.
Description
Technical field
The utility model is related to circuit lightning-protection engineering field, more specifically to a kind of lightning protection circuit and application
Its lightning protection power source.
Background technology
At present, most electrical equipments are powered using public electric wire net in the life of people, and public electric wire net
In atmosphere, when there is thunder and lightning generation, thunder and lightning not only can produce destruction to power transmission line, and electricity consumption can be also damaged when serious and is set for exposure
It is standby.
In order to prevent damage of the thunder and lightning to electrical equipment, prior art is solved by adding lightning protection circuit in electrical equipment
Certainly the problem, for example, can add lightning protection circuit in power supply.But, in current life, the power supply with electrocution-proof protection
Or the product such as light fixture is roughly divided into two major classes.
Wherein, the electrocution-proof protection of the first kind (CLASS I) power supply or light fixture does not only rely on basic insulation, and will easily touch
And conductive component ground connection protected.Equations of The Second Kind (CLASS II) power supply or light fixture do not only rely on basic insulation, but also have
There are additional security measure, such as double insulation or reinforced insulation, not ground protection measure.
In the prior art, the lightning protection circuit of first kind power supply or light fixture is realized by using gas-discharge tube, still,
In order to ensure creep age distance and electrical distance, gas-discharge tube cannot function as the carrier of double insulation or reinforced insulation, so
When lightning protection circuit input has double insulation requirement over the ground, the lightning protection circuit of prior art is no longer applicable.
So provide a kind of while meeting pair of first kind power supply or the lightning protection requirement of light fixture and Equations of The Second Kind power supply or light fixture
The lightning protection circuit of weight insulating requirements is those skilled in the art's urgent problem to be solved.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of lightning protection circuit and applies its lightning protection power source, this is prevented
Thunder and lightning road and using its lightning protection power source can meet simultaneously first kind power supply or the lightning protection requirement of light fixture and Equations of The Second Kind power supply or
The double insulation requirement of light fixture.
To achieve the above object, the utility model provides following technical scheme：
A kind of lightning protection circuit, the lightning protection circuit includes：
Spray point, the spray point includes：The first conductor and the second conductor being oppositely arranged；
Wherein, the space relative distance between first conductor and second conductor is set according to lightning protection grade；
The pad spacing of first conductor and second conductor is set according to creep age distance or the class of insulation.
It is preferred that, in above-mentioned lightning protection circuit, first conductor is the first electric discharge contact pin；Second conductor is second
Discharge contact pin；
Wherein, the needle point of the needle point of the first electric discharge contact pin and the described second electric discharge contact pin is oppositely arranged, the needle point
The distance between according to the space relative distance set.
It is preferred that, in above-mentioned lightning protection circuit, the first electric discharge contact pin passes through Du with the described second electric discharge contact pin
The base of nation's pin is fixed.
It is preferred that, in above-mentioned lightning protection circuit, first conductor and second conductor are respectively two electronics member devices
The pin of part.
It is preferred that, in above-mentioned lightning protection circuit, the electronic component is the pole of paster two that SMA, SMB or SMC are encapsulated
Pipe.
It is preferred that, in above-mentioned lightning protection circuit, the lightning protection circuit also includes：
First piezo-resistance and the second piezo-resistance；
First piezo-resistance and second piezo-resistance are connected between live wire and zero line；The first pressure-sensitive electricity
Hinder and ground connection is connected by the spray point with the tie point of second piezo-resistance.
It is preferred that, in above-mentioned lightning protection circuit, the lightning protection circuit also includes：
Gas-discharge tube, the gas-discharge tube is connected with the spray point.
It is preferred that, in above-mentioned lightning protection circuit, the lightning protection circuit also includes：
3rd piezo-resistance；
Described 3rd piezo-resistance one end is connected with the live wire, and the 3rd piezo-resistance other end connects with the zero line
Connect.
The utility model additionally provides a kind of lightning protection power source, and the lightning protection power source includes：Lightning protection described in any of the above-described
Circuit.
From above-mentioned technical proposal as can be seen that a kind of lightning protection circuit provided by the utility model and apply its thunder-lightning
Source, the lightning protection circuit includes：Spray point, the spray point includes：The first conductor and the second conductor being oppositely arranged；Wherein, institute
The space relative distance stated between the first conductor and second conductor is set according to lightning protection grade；First conductor and described
The pad spacing of second conductor is set according to creep age distance or the class of insulation.It follows that the first conductor and the second conductor phase
The relative distance between the first conductor and the second conductor is set to setting, and according to lightning protection grade, that is, meets electrical distance,
Meet the requirement of lightning protection.And the pad spacing of the first conductor and the second conductor is set according to creep age distance or the class of insulation
Put, that is to say, that wanting for double insulation can just be met by setting the pad spacing of the first conductor and the second conductor to be more than creep age distance
Ask.
Therefore, the utility model is provided a kind of lightning protection circuit and can meet the first kind simultaneously using its lightning protection power source
The lightning protection requirement of power supply or light fixture and the double insulation requirement of Equations of The Second Kind power supply or light fixture.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing of offer.
A kind of structural representation for lightning protection circuit that Fig. 1 provides for prior art；
A kind of structural representation for lightning protection circuit that Fig. 2 provides for the utility model embodiment；
The structural representation for another lightning protection circuit that Fig. 3 provides for the utility model embodiment；
The structural representation for another lightning protection circuit that Fig. 4 provides for the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
It can be seen from background technology, with reference to Fig. 1, the lightning protection circuit of prior art as shown in Figure 1 is put by using gas
What fulgurite was realized, but apply when in the case of compatible first kind power supply and the power supply or light fixture of Equations of The Second Kind power source features, gas
Body discharge tube needs to select high-pressure type, and then meets the voltage-withstand test of circuit over the ground, but if is put from the gas of high-pressure type
Fulgurite can cause the to release starting point of energy is elevated, it is impossible to be effectively protected late-class circuit.Also, in order to ensure creep age distance and
Electrical distance, gas-discharge tube cannot function as the carrier of double insulation, therefore can not be expired using the lightning protection circuit of gas-discharge tube
The requirement of sufficient Equations of The Second Kind power supply double insulation.
In order to solve the above problems, the utility model embodiment provides a kind of lightning protection circuit, and the lightning protection circuit includes：
Spray point, the spray point includes：The first conductor and the second conductor being oppositely arranged.
Wherein, the space relative distance between the first conductor and the second conductor is set according to lightning protection grade.
The pad spacing of first conductor and the second conductor is set according to creep age distance or the class of insulation.
A kind of lightning protection circuit provided by foregoing description, the utility model, passes through the first conductor and the second conductor
Be oppositely arranged, the space relative distance between the first conductor and the second conductor set according to lightning protection grade, according to creep age distance or
Person's class of insulation sets the pad spacing of the first conductor and the second conductor, can meet lightning protection class requirement, and can meet and climb electricity
Distance or class of insulation requirement.Meanwhile, instead of gas-discharge tube, the compatible first kind and Equations of The Second Kind power supply or light fixture will
Ask.
For more detailed explanation the utility model embodiment, the embodiment of the present invention is carried out below in conjunction with the accompanying drawings specific
Description.
With reference to Fig. 2, a kind of structural representation for lightning protection circuit that Fig. 2 provides for the utility model embodiment.
The lightning protection circuit includes：
Spray point 21, the spray point 21 includes：The first conductor 22 and the second conductor 23 being oppositely arranged.
Wherein, the space relative distance between the first conductor 22 and the second conductor 23 is set according to lightning protection grade.
The pad spacing of first conductor 22 and the second conductor 23 is set according to creep age distance or the class of insulation.
It should be noted that the space relative distance between the first conductor 22 and the second conductor 23 is be placed in air
Beeline between one conductor and the second conductor.
That is, needing certain breakdown voltage just to release between the first conductor 22 and the second conductor 23 accumulates in
Energy on one conductor 22 and the second conductor 23.In the situation without thunderbolt, between the first conductor 22 and the second conductor 23
Energy of a charge, which is not enough to puncture the air being separated by between two conductors of space relative distance, to be discharged, the first conductor 22 and second
Equivalent to open circuit between conductor 23.Circuit so it has been effectively blocked and has produced leakage current over the ground, it is ensured that not because setting up spray point
21 produce excessive leakage current and cause electricity consumption dangerous.
When there is thunderbolt, the voltage between the first conductor 22 and the second conductor 23 is sufficiently high, can puncture air, make first
By air formation path between the conductor 23 of conductor 22 and second, thunderbolt energy is flowed to greatly by the first conductor and the second conductor
Ground, and then protect late-class circuit.
Optionally, in order to further optimize above-described embodiment, wherein, the first conductor 22 is the first electric discharge contact pin, and second leads
Body 23 is the second electric discharge contact pin, and the needle point of the first electric discharge contact pin is oppositely arranged with the second needle point for discharging contact pin, and this first is put
Spacing between the needle point of the needle point of electric mortiser pin and the second electric discharge contact pin is set according to space relative distance, i.e., according to needed for circuit
Lightning protection grade is configured.
Optionally, the first electric discharge contact pin is fixed with the second electric discharge contact pin by the base of Du Pont's pin.
Optionally, the first conductor 22 and the second conductor 23 are the pin of two electronic components, two electronic components
Pin is oppositely arranged.It should be noted that the conductor for the energy that is now struck by lightning just with the pin of electronic component as releasing,
Not using the conventional characteristic electron of electronic component.
Optionally, the electronic component is the stamp-mounting-paper diode that SMA, SMB or SMC are encapsulated.It should be noted that at this
Include but is not limited to electronic component pin in utility model.
In the utility model embodiment, optionally, the lightning protection circuit also includes：
First piezo-resistance 24 and the second piezo-resistance 25.
Wherein, the first piezo-resistance 24 and the second piezo-resistance 25 are connected between live wire and zero line, the first piezo-resistance
24 are connected ground connection with the tie point of the second piezo-resistance 25 by spray point 21.
Concrete principle is, when not having the situation of thunder and lightning, and the lightning protection circuit is in high impedance status；But working as has difference
When mould thunder energy enters the lightning protection circuit, the first piezo-resistance 24 and the second conducting rapidly of piezo-resistance 25, in live wire and zero
Path is formed between line, it is to avoid differential mode thunder energy continues to rear class circuit conduct, and then protect late-class circuit and rear end to use
Electric equipment.When having, common mode thunder energy enters the lightning protection circuit and the energy can be with the air (spray point in disruptive discharge pin
It is separated by the air between two conductors of space relative distance) when, the first piezo-resistance 24 and the second piezo-resistance 25 are turned on rapidly,
And common mode thunder energy is released to greatly, realizing the purpose of lightning protection by spray point 21, and then protect late-class circuit and after
Hold electrical equipment.
Optionally, in order to further optimize above-described embodiment, in another embodiment of the utility model, with reference to Fig. 3, Fig. 3
The structural representation of another lightning protection circuit provided for the utility model embodiment.
The lightning protection circuit also includes：
Gas-discharge tube 31, the gas-discharge tube 31 is connected with spray point 21.
In the case where the lightning protection circuit meets double insulation requirement, by adding gas-discharge tube 31, it can improve anti-
Thunder grade.
Optionally, in order to further optimize above-described embodiment, in another embodiment of the utility model, with reference to Fig. 4, Fig. 4
The structural representation of another lightning protection circuit provided for the utility model embodiment.
The lightning protection circuit also includes：
3rd piezo-resistance 41, one end of the 3rd piezo-resistance 41 is connected with live wire, the other end of the 3rd piezo-resistance 41
It is connected with zero line.
That is, in the case where thunder and lightning occurs, also having the generation of differential mode energy, then in order to realize differential mode lightning protection
Function, further the piezo-resistance 41 of addition the 3rd is significantly more efficient protects circuit.
It should be noted that the utility model additionally provides a kind of lightning protection power source, the lightning protection power source includes the lightning protection circuit,
The lightning protection power source is used to drive electrical equipment, including but not limited to LED drive power.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (9)
1. a kind of lightning protection circuit, it is characterised in that the lightning protection circuit includes：
Spray point, the spray point includes：The first conductor and the second conductor being oppositely arranged；
Wherein, the space relative distance between first conductor and second conductor is set according to lightning protection grade；
The pad spacing of first conductor and second conductor is set according to creep age distance or the class of insulation.
2. lightning protection circuit according to claim 1, it is characterised in that first conductor is the first electric discharge contact pin；It is described
Second conductor is the second electric discharge contact pin；
Wherein, the needle point of the needle point of the first electric discharge contact pin and the described second electric discharge contact pin is oppositely arranged, between the needle point
Distance set according to the space relative distance.
3. lightning protection circuit according to claim 2, it is characterised in that the first electric discharge contact pin is inserted with the described second electric discharge
Pin is fixed by the base of Du Pont's pin.
4. lightning protection circuit according to claim 1, it is characterised in that first conductor and second conductor are respectively
The pin of two electronic components.
5. lightning protection circuit according to claim 4, it is characterised in that the electronic component seals for SMA, SMB or SMC
The stamp-mounting-paper diode of dress.
6. the lightning protection circuit according to claim any one of 1-5, it is characterised in that the lightning protection circuit also includes：
First piezo-resistance and the second piezo-resistance；
First piezo-resistance and second piezo-resistance are connected between live wire and zero line；First piezo-resistance with
The tie point of second piezo-resistance is connected by the spray point and is grounded.
7. lightning protection circuit according to claim 6, it is characterised in that the lightning protection circuit also includes：
Gas-discharge tube, the gas-discharge tube is connected with the spray point.
8. lightning protection circuit according to claim 7, it is characterised in that the lightning protection circuit also includes：
3rd piezo-resistance；
Described 3rd piezo-resistance one end is connected with the live wire, and the 3rd piezo-resistance other end is connected with the zero line.
9. a kind of lightning protection power source, it is characterised in that the lightning protection power source includes：It is above-mentioned as described in claim any one of 1-8
Lightning protection circuit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621231615.6U CN206332448U (en) | 2016-11-16 | 2016-11-16 | A kind of lightning protection circuit and apply its lightning protection power source |
| PCT/CN2017/111035 WO2018090922A1 (en) | 2016-11-16 | 2017-11-15 | Lightning protection circuit and lightning protection power supply using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621231615.6U CN206332448U (en) | 2016-11-16 | 2016-11-16 | A kind of lightning protection circuit and apply its lightning protection power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206332448U true CN206332448U (en) | 2017-07-14 |
Family
ID=59287915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621231615.6U Active CN206332448U (en) | 2016-11-16 | 2016-11-16 | A kind of lightning protection circuit and apply its lightning protection power source |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN206332448U (en) |
| WO (1) | WO2018090922A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018090922A1 (en) * | 2016-11-16 | 2018-05-24 | 英飞特电子（杭州）股份有限公司 | Lightning protection circuit and lightning protection power supply using same |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109787203B (en) * | 2019-02-28 | 2024-04-30 | 厦门方光电子科技有限公司 | Lightning-proof and surge-proof circuit |
| CN110224616A (en) * | 2019-07-02 | 2019-09-10 | 淮北市华明工业变频设备有限公司 | A kind of High Frequency Link power supply unit for high voltage intermediate frequency power supply pulsed triggering circuit |
| CN111935558B (en) * | 2020-06-28 | 2023-10-24 | 深圳市联洲国际技术有限公司 | Lightning protection system for digital subscriber line and fool-proof method and device thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5532897A (en) * | 1994-05-27 | 1996-07-02 | Lightning Eliminators & Consultants, Inc. | High-voltage surge eliminator |
| CN2513272Y (en) * | 2001-09-21 | 2002-09-25 | 艾默生网络能源有限公司 | Lightning protector for low voltage electric equipment |
| CN201051668Y (en) * | 2007-03-30 | 2008-04-23 | 毛灿豪 | A lightning prevention circuit |
| CN101345417B (en) * | 2008-08-20 | 2010-09-29 | 常州市创捷防雷电子有限公司 | Compound clearance surge protector |
| CN103036224B (en) * | 2012-12-27 | 2015-03-11 | 徐大鹏 | Low residual voltage lightning protection device for power supply |
| CN203289150U (en) * | 2013-05-21 | 2013-11-13 | 浙江普尔尼机电有限公司 | Anti-thunder charger |
| CN206332448U (en) * | 2016-11-16 | 2017-07-14 | 英飞特电子（杭州）股份有限公司 | A kind of lightning protection circuit and apply its lightning protection power source |
-
2016
- 2016-11-16 CN CN201621231615.6U patent/CN206332448U/en active Active
-
2017
- 2017-11-15 WO PCT/CN2017/111035 patent/WO2018090922A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018090922A1 (en) * | 2016-11-16 | 2018-05-24 | 英飞特电子（杭州）股份有限公司 | Lightning protection circuit and lightning protection power supply using same |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018090922A1 (en) | 2018-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206332448U (en) | A kind of lightning protection circuit and apply its lightning protection power source | |
| CN204030574U (en) | A kind of lightning protection circuit that is applicable to switch | |
| CN203387174U (en) | Device and system for concentrated grounding protection and lightning protection in distribution system | |
| CN103033100A (en) | Anti-static structure of electronic detonator | |
| CN204741589U (en) | Energy -conserving street lamp ballast of LED | |
| CN205791502U (en) | A kind of lightning-protection module | |
| CN202586322U (en) | Tripping type lightning protection circuit | |
| CN207124454U (en) | A kind of surge protection circuit | |
| CN203205857U (en) | Lightning protection module and lightning protection device | |
| CN103532200B (en) | A kind of battery management system of new-energy automobile | |
| CN207967934U (en) | A kind of surge protection circuit and device | |
| CN202633933U (en) | Surge protector circuit of low-voltage power supply | |
| CN202159815U (en) | Lighting stroke protection power socket | |
| CN207067298U (en) | A kind of testing tool of four cores power line | |
| CN207010228U (en) | A kind of signal surge device protector and its circuit | |
| CN206650428U (en) | Lithium battery protection board | |
| CN202817746U (en) | RS-232 serial port lightning protection device of large power and flexible connection | |
| CN204272449U (en) | A kind of LED driver | |
| CN108598748A (en) | It can carry out the connector of energization mark | |
| CN103915831B (en) | Lightning-protection module and lightning protection device | |
| CN208158186U (en) | A kind of plug charging circuit and mobile phone connection plug | |
| CN201893554U (en) | Single-phase series-parallel combined-type lightning-proof surge circuit | |
| CN207442428U (en) | A kind of ground protection circuit | |
| CN202976401U (en) | Alarm, ground lead and remote controller | |
| CN210518948U (en) | Lamp tube, protection circuit and protection device applied to lamp tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |