CN2375022Y - Lightning protection device - Google Patents
Lightning protection device Download PDFInfo
- Publication number
- CN2375022Y CN2375022Y CN 99223966 CN99223966U CN2375022Y CN 2375022 Y CN2375022 Y CN 2375022Y CN 99223966 CN99223966 CN 99223966 CN 99223966 U CN99223966 U CN 99223966U CN 2375022 Y CN2375022 Y CN 2375022Y
- Authority
- CN
- China
- Prior art keywords
- high voltage
- wire
- serial connection
- loop
- voltage protection
- 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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- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model relates to a lightning protection device, which is characterized in that a high voltage protection circuit (1), a high voltage protection circuit (2) and lightning protection coils L1, L2 which are arranged between the high voltage protection circuit (1) and the high voltage protection circuit (2) are respectively arranged on a fire wire L, a zero wire N, an earth wire E and signal wires S1, S2; the output end of the earth wire is connected with a lightning protection coil Le of the earth wire in series. The utility model has the advantages of simple structure and convenient installation. The utility model adopts lightning protection coils to block the strong impact of the circuits to the equipment, and the impact strength is reduced. The lightning wave entering into the equipment is reserved in the impact insulation range which is allowed by the equipment, and the protective equipment is not broken.
Description
The utility model relates to a kind of anti-lightning strike protective device.
The thunderstruck infringement approach of electronic equipment has two: one, and power line two is holding wires.The reason that thunder and lightning intrusion equipment works the mischief mainly is because its energy discharges nowhere and causes; and the form of expression of energy shows as two parameters of voltage and current because terminal electronic equipment suffers the possibility of direct stroke almost nil on lightning induction; so our said thunderbolt mainly is meant induced voltage and induced current to the harm of electronic equipment usually; also different at its form of expression of load of different nature; induced voltage is Ldi/dt concerning inductive load; induced current is Cdu/dt concerning capacitive load; the domestic and international guard method of adopting at present is pressure limiting nothing more than; it is the forced discharge energy; with protection equipment; for example: what the equipment of Germany adopted is exactly that this method utilizes the characteristic of semiconductor device that voltage is limited; but its coefficient of safety is not high; and be easy to damage the problem that has frequent replacing, the life-span is low.
It is a kind of simple in structure, easy for installation that the purpose of this utility model is to provide, and eliminates the lightning protection device that the powerful impact of equipment is caused damage because of lightning wave.
In order to achieve the above object, the technical solution adopted in the utility model is: serial connection piezo-resistance D on the high voltage protection loop 1 that is provided with between input live wire L, zero line N and the ground wire E
1, D
2, at holding wire S
1, S
2And serial connection piezo-resistance D on the high voltage protective loop 3 between the ground wire E
5, D
6, serial connection piezo-resistance D on the high voltage protective loop 2 is set between output live wire L, zero line N and ground wire E
4, D
3, at holding wire S
1, S
2And serial connection piezo-resistance D is set between the ground wire E on the high voltage protection loop 4
8, D
7Serial connection lightning protection coil L on live wire L, zero line N between high voltage protection loop 1 and the high voltage protection loop 2
1, holding wire S between high voltage protection loop 3 and high voltage protection loop 4
1, S
2Last serial connection lightning protection coil L
2, serial connection ground wire lightning protection coil Le on output ground wire E.
The utility model has the advantages that:
(1) simple in structure, easy for installation;
(2) thunder and lightning is little to the impact of protection equipment, and residual voltage is low, the coefficient of safety height;
(3) this device is noiseless to the protection equipment performance under normality (220 volts, 50Hz), and integrated cost is low.
Description of drawings:
Fig. 1 is the utility model structured flowchart;
Fig. 2 is the utility model schematic diagram.
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
By Fig. 1-Fig. 2 as can be known, serial connection piezo-resistance D on the high voltage protection loop 1 that is provided with between input live wire L, zero line N and the ground wire E
1, D
2, at holding wire S
1, S
2And serial connection piezo-resistance D on the high voltage protective loop 3 between the ground wire E
5, D
6, serial connection piezo-resistance D on the high voltage protective loop 2 is set between output live wire L, zero line N and ground wire E
4, D
3, at holding wire S
1, S
2And serial connection piezo-resistance D is set between the ground wire E on the high voltage protection loop 4
8, D
7Serial connection lightning protection coil L on live wire L, zero line N between high voltage protection loop 1 and the high voltage protection loop 2
1, holding wire S between high voltage protection loop 3 and high voltage protection loop 4
1, S
2Last serial connection lightning protection coil L
2, serial connection ground wire lightning protection coil Le on output ground wire E.
Describedly between live wire L and zero line N, relay indicating light HL is set.
Describedly in high voltage protection loop 1,2,3,4, can also be connected in series hotness breaker protector RJ respectively
1, RJ
2, RJ
3, RJ
4, RJ
5, RJ
6, RJ
7, RJ
8
Embodiment 1:
Serial connection piezo-resistance D on the high voltage protection loop 1 that is provided with between input live wire L, zero line N and the ground wire E
1, D
2, at holding wire S
1, S
2And serial connection piezo-resistance D on the high voltage protective loop 3 between the ground wire E
5, D
6, serial connection piezo-resistance D on the high voltage protective loop 2 is set between output live wire L, zero line N and ground wire E
4, D
3, at holding wire S
1, S
2And serial connection piezo-resistance D is set between the ground wire E on the high voltage protection loop 4
8, D
7Serial connection lightning protection coil L on live wire L, zero line N between high voltage protection loop 1 and the high voltage protection loop 2
1, holding wire S between high voltage protection loop 3 and high voltage protection loop 4
1, S
2Last serial connection lightning protection coil L
2, serial connection ground wire lightning protection coil Le on output ground wire E.
Embodiment 2:
Serial connection piezo-resistance D on the high voltage protection loop 1 is set between input live wire L, zero line N and ground wire E
1, D
2, serial connection piezo-resistance D on the high voltage protective loop 2 is set between output live wire L, zero line N and ground wire E
4, D
3And the last serial connection of the live wire L between voltage protection loop 1 and the high voltage protection loop 2, zero line N lightning protection coil L1, at the output serial connection lightning protection coil Le of ground wire E.
Embodiment 3:
At input ground wire E, holding wire S
1, S
2Serial connection piezo-resistance D on the high voltage protection loop 1,3 is set
5, D
6With hotness circuit breaker RJ
5, RJ
6, RJ
7, RJ
8, at output end signal line S
1, S
2Be connected in series piezo-resistance D on the high voltage protective loop 4 with being provided with on the ground wire E
7, D
8With hotness circuit breaker RJ
7, RJ
8, the holding wire S between high voltage protection loop 3 and high voltage protection loop 4
1, S
2Last serial connection lightning protection coil L
2, at ground line output terminal serial connection ground wire lightning protection coil Le.At ground wire E, holding wire S
1, S
2Serial connection piezo-resistance D on the high voltage protection loop 2 of last setting
7, D
8With hotness circuit breaker RJ
7, RJ
8, holding wire S between voltage protection loop 1 and the voltage protection loop 2
1, S
2On lightning protection coil L is set
2, the output serial connection lightning protection coil Le of ground wire E.
The utility model utilizes extraordinary property of semiconductor element, semiconductor element becomes path under the high voltage situation, to between zero earth-return and fiery ground, form bleed-off circuit, make instant high-voltage, high current bypass to the earth, the lightning protection coil blocking-up lightning wave that adopts is to the powerful impact of equipment, cut down impact strength, the lightning wave of access arrangement is remained within the impact insulation scope that equipment allows, can not cause damage equipment.
Adopt same protection bleed-off circuit operation principle identical to holding wire, on live wire L and zero line N, relay indicating light is set, on the E line, add the lightning protection coil and enter the earth along ground wire to guarantee lightning wave.
Claims (3)
1, a kind of lightning protection device is opened circuit by piezo-resistance, hotness and to form, and it is characterized in that: serial connection piezo-resistance D is gone up in the high voltage protection loop (1) that is provided with between input live wire L, zero line N and ground wire E
1, D
2, at holding wire S
1, S
2And high voltage protective loop (3) is set between the ground wire E goes up serial connection piezo-resistance D
5, D
6, high voltage protective loop (2) is set between output live wire L, zero line N, holding wire goes up serial connection piezo-resistance D
4, D
3, at holding wire S
1, S
2And high voltage protection loop (4) is set between the ground wire E goes up serial connection piezo-resistance D
8, D
7Live wire L, zero line N go up serial connection lightning protection coil L between high voltage protection loop (1) and high voltage protection loop (2)
1, holding wire S between high voltage protection loop (3) and high voltage protection loop (4)
1, S
2Last serial connection lightning protection coil L
2, serial connection ground wire lightning protection coil Le on output ground wire E.
2, according to the described lightning protection device of claim 1, it is characterized in that: between live wire L and zero line N, relay indicating light HL is set.
3, according to the described lightning protection device of claim 1, it is characterized in that: in high voltage protection loop (1), (2), (3), (4), can also be connected in series hotness breaker protector RJ respectively
1, RJ
2, RJ
3, RJ
4, RJ
5, RJ
6, RJ
7, RJ
8
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99223966 CN2375022Y (en) | 1999-05-28 | 1999-05-28 | Lightning protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99223966 CN2375022Y (en) | 1999-05-28 | 1999-05-28 | Lightning protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2375022Y true CN2375022Y (en) | 2000-04-19 |
Family
ID=34014103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99223966 Expired - Fee Related CN2375022Y (en) | 1999-05-28 | 1999-05-28 | Lightning protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2375022Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100530886C (en) * | 2005-01-14 | 2009-08-19 | 艾默生网络能源系统有限公司 | Signal lightning protection circuit |
-
1999
- 1999-05-28 CN CN 99223966 patent/CN2375022Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100530886C (en) * | 2005-01-14 | 2009-08-19 | 艾默生网络能源系统有限公司 | Signal lightning protection circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |