CN100533908C - Power arrester - Google Patents
Power arrester Download PDFInfo
- Publication number
- CN100533908C CN100533908C CNB2006100459709A CN200610045970A CN100533908C CN 100533908 C CN100533908 C CN 100533908C CN B2006100459709 A CNB2006100459709 A CN B2006100459709A CN 200610045970 A CN200610045970 A CN 200610045970A CN 100533908 C CN100533908 C CN 100533908C
- Authority
- CN
- China
- Prior art keywords
- lym
- surges
- module
- plug
- diode
- 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.)
- Expired - Fee Related
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Abstract
The invention relates to a power source lightning proof, which includes the shell body, circuit board, its characteristic lie in: on the circuit board is loaded with firing line L, zero curve N, grounding E which corresponds with the AC220V power source, inductance coil L1 and L2 separately series connects on the firing line L and zero curve N; on the firing line L and zero curve N, firing line L and grounding E, zero curve N and grounding E separately installs the surge absorb modular jack; the shell has three surges absorptions module installment mouth and the power source outputs inserts platoon, the three surges absorptions module LYM1, LYM2, LYM3 separately from three surges absorptions module installment mouth inserts into the shell body, three surges absorptions module LYM1, LYM2, LYM3 plug separately inserts in the surge modular jack which is corresponds. The invention once incur the thunderstroke, the lightning proof can not receive the destruction and can self-repairing lightning proof function, the designed surge absorption module can realize the ns level movement speed, the 15-30KA transient state us level surge power source protection ability, has the advantage of simple structure, low cost, reliable safe use, can scene replacing, maintain convenience.
Description
(1) technical field
The present invention relates to a kind of lightning protection for power supply.
(2) background technology
At present, the lightning arrester that is installed on the building can only protect building not broken by thunder and lightning, and can not prevent household electrical appliance in the building and the teleworking equipment destruction of being struck by lightning, yet is easy to by power line domestic electric appliance be broken at the thunderstorm weather thunder.The power lightning protection protector structure of existing household electrical appliance and teleworking equipment is simple; once after meeting with thunderbolt destruction; self be not easy to recover; prevent the purpose of being struck by lightning for reaching; all be to adopt traditional vacuum discharge tube mode piezo-resistance lightning protection way; to cause entire equipment all can't use and need change whole lightning arrester in case meet with thunderbolt, simultaneously above two kinds are difficult to guarantee that to big electric current or transient state high impulse thunder and lightning electronic equipment is not destroyed.Perhaps transient state overcurrent power supply is cut off in the protective tube quick-break, and the protection household electrical appliances are not struck by lightning, in case shortcoming is fuse or protective tube fusing; forcing handles official business stops, household electrical appliance are stopped using; even ask the professional to change fuse or protective tube, very bother unfavorable promoting the use of.
(3) summary of the invention
The technical problem to be solved in the present invention, in case provide a kind of the thunderbolt, thunder resisting equipment is not damaged and can the runback lightning protection function, particularly be not destroyed to having the household electrical appliances of assurance or electronic equipment under big electric current or the transient state high impulse thunder and lightning situation, safe and reliable, safeguard lightning protection for power supply easy to use.
Lightning protection for power supply comprises that the surge of shell body, circuit board and field changeable absorbs module.Shell body is provided with surge and absorbs the module socket, and sides of outer shell is equipped with the electric power plug socket by lightning protection device output.Circuit board is cased, is equipped with on the circuit board and the corresponding live wire L of AC220V power supply, zero line N, ground wire E, two inductance coil L
1, L
2Socket with three surges absorption module LYM.Three sockets are corresponding with three surge module sockets on the shell body respectively.One end of circuit board is the end of incoming cables, L
1And L
2Be connected on respectively near on the live wire L and zero line N of end of incoming cables.Surge absorbs module and is provided with internal circuit, and internal circuit comprises high-power thyristor Q
1, high-power thyristor Q
2, trigger diode Q
3, diode D
1, D
2And resistance R.High-power thyristor Q
1Positive level meet TP
1Plug, negative pole meets TP
2Plug, diode Q is sent out in the trigger electrode contact
3Diac Q
3The end of other end connecting resistance R, another termination high-power thyristor Q of resistance R
2Trigger electrode.Diode D
2Negative pole connecting resistance R and high-power thyristor Q
2P between the trigger electrode on the line
2Point, diode D
2Positive pole meet TP
1Plug.High-power thyristor Q
2Negative pole meet TP
1Plug, positive pole then meet TP
2Plug.Diode D
1Negative pole meet high-power thyristor Q
1Trigger electrode and diode Q
3P on the line
1The point.Three surges are absorbed the plug TP of module
1, TP
2Absorbing the corresponding with it surge of module socket insertion through surge respectively absorbs in the socket of module.End of incoming cables on the circuit board is connected with the AC220V power supply.
Three surges that are installed on the circuit board absorb modular jack, can connect by lead respectively to be arranged on the shell body.
The present invention is in case meet with thunderbolt; this thunder resisting equipment can not be damaged and can the runback lightning protection function; the designed surge absorption module can realize the speed of actions of ns level, the protective capability of 15-30KA transient state μ s level surge power supply; have simple in structure, price is low, safe and reliable, can on-the-spot change, advantage such as easy to maintenance.
(4) description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is circuit theory diagrams of the present invention.
Fig. 3 absorbs the inside modules circuit diagram for surge.
(5) embodiment
Lightning protection for power supply comprises that the surge of shell body 1, circuit board 2 and three field changeables absorbs module LYM
3, LYM
2, LYM
1The end face 3 of shell body 1 is provided with three surges and absorbs module installing port 5, and the side of shell body 1 is installed with power supply output insert row 4.Circuit board 2 is contained in the shell body 1, and input live wire L, the zero line N, the ground wire E that are connected with the AC220V power supply are housed on the circuit board 2, and circuit board 2 is provided with two inductance coil L
1, L
2, L
1And L
2Be connected on respectively near on the live wire L and zero line N of end of incoming cables, be equiped with surge respectively and absorb modular jack on live wire L and zero line N, live wire L and ground wire E, zero line N and ground wire E, three surges absorb module LYM
1, LYM
2, LYM
3Three surges from the shell body 1 absorb the module installing ports and insert in the shell bodies 1 respectively, and three surges absorb module LYM
1, LYM
2, LYM
3Plug insert corresponding with it surge respectively and absorb in the modular jack.
Three surges absorb module LYM
1, LYM
2, LYM
3Be provided with identical internal control circuit, internal control circuit comprises high-power thyristor Q
1, Q
2, diac Q
3, diode D
1, D
2And resistance R, high-power thyristor Q
1Positive pole meet TP
1, negative pole plug TP
2, diode Q is sent out in the trigger electrode contact
3, diac Q
3The end of another utmost point connecting resistance R, another termination high-power thyristor Q of resistance R
2Trigger electrode, high-power thyristor Q
2Anodal plug TP
2, high-power thyristor Q
2Negative pole plug TP
1Diode D
1Anodal plug TP
2, D
1Negative pole meet high-power thyristor Q
1Trigger electrode and diac Q
3P on the line
1The point.Diode D
2Anodal plug TP
1, D
2Negative pole meet high-power thyristor Q
2Trigger electrode and the P on the resistance R line
2The point.
Operation principle: all insert surge in L, N end of incoming cables and two ends of incoming cables of AC power supplies over the ground and absorb module, surge absorbs module wind portion circuit and comprises Q
1, Q
2High-power thyristor and diac Q
3Form, by Q
3But the initial protection voltage of trigger voltage decision lightning protection device, this surge module can realize the protective capability of speed of actions 15-30KA transient state (μ s level) surge current of ns level.
Claims (2)
1, lightning protection for power supply, comprise shell body (1), circuit board (2), it is characterized in that: be equipped with on the circuit board (2) and the corresponding live wire of AC220V power supply (L), zero line (N), ground wire (E), on live wire (L) and zero line (N), be in series with the first inductance coil (L respectively
1) and the second inductance coil (L
2); Between live wire (L) and zero line (N), live wire (L) and ground wire (E), zero line (N) and ground wire (E), be equiped with surge respectively and absorb modular jack; Have three surges to absorb module installing port (5) and a power supply output insert row (4) on the shell body (1), three surges absorb module (LYM
1, LYM
2, LYM
3) absorb in module installing port (5) the insertion shell body (1) from three surges respectively, three surges absorb module (LYM
1, LYM
2, LYM
3) plug insert surge corresponding respectively and absorb in the modular jack with it.
2, lightning protection for power supply according to claim 1 is characterized in that three surges absorb module (LYM
1, LYM
2, LYM
3) inside is provided with identical control circuit, this control circuit comprises first power scr (Q
1), second largest power scr (Q
2), diac (Q
3), the first diode (D
1), the second diode (D
2) and resistance (R), first power scr (Q
1) positive pole meet the first plug (TP
1), negative pole meets the second plug (TP
2), first power scr (Q
1) trigger electrode contact send out a diode (Q
3) an end, diac (Q
3) an end of other end connecting resistance (R), the second largest power scr (Q of another termination of resistance (R)
2) trigger electrode, second largest power scr (Q
2) positive pole meet the second plug (TP
2), second largest power scr (Q
2) negative pole meet the first plug (TP
1), the first diode (D
1) positive pole meet the second plug (TP
2), the first diode (D
1) negative pole meet first power scr (Q
1) trigger electrode and diac (Q
3) a bit (P on the line
1), the second diode (D
2) positive pole meet the first plug (TP
1), the second diode (D
2) negative pole meet second largest power scr (Q
2) trigger electrode and a bit (P on resistance (R) line
2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100459709A CN100533908C (en) | 2006-03-06 | 2006-03-06 | Power arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100459709A CN100533908C (en) | 2006-03-06 | 2006-03-06 | Power arrester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101034804A CN101034804A (en) | 2007-09-12 |
| CN100533908C true CN100533908C (en) | 2009-08-26 |
Family
ID=38731191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100459709A Expired - Fee Related CN100533908C (en) | 2006-03-06 | 2006-03-06 | Power arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100533908C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101425684B (en) * | 2008-10-28 | 2011-02-09 | 张�杰 | Modular lightning protection device for electric power easy for replacement |
| CN112838571A (en) * | 2019-11-22 | 2021-05-25 | 华为数字技术（苏州）有限公司 | Lightning protection type circuit breaker |
-
2006
- 2006-03-06 CN CNB2006100459709A patent/CN100533908C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101034804A (en) | 2007-09-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090826 Termination date: 20100306 |