CN2376112Y - Lightning protection device - Google Patents
Lightning protection device Download PDFInfo
- Publication number
- CN2376112Y CN2376112Y CN 98217538 CN98217538U CN2376112Y CN 2376112 Y CN2376112 Y CN 2376112Y CN 98217538 CN98217538 CN 98217538 CN 98217538 U CN98217538 U CN 98217538U CN 2376112 Y CN2376112 Y CN 2376112Y
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- resistance
- piezo
- protection device
- lightning protection
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- 230000001419 dependent effect Effects 0.000 abstract 3
- 230000001012 protector Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a lightning protection device, which comprises lightning protection components, a connecting lead, a box body 1, etc. The lightning protection components comprise a voltage dependent resistor VR1, a voltage dependent resistor VR2, a voltage dependent resistor VR3, a gas discharge tube GN, etc. The front of each of the lightning protection components VR1, VR2, VR3, the gas discharge tube GN, etc., is connected with overload protector components F1, F2, F3 and FN. Fuses burn out when overloads of the lightning protection components are damaged, and thus, the fuses can prevent the lightning protection components from exploding or burning. In addition, the device is also provided with a fuse on-off light indicating circuit. The device can be widely used for the lightning protection of a low-voltage electrical appliance.
Description
The utility model relates to a kind of lightning protection device, especially for the thunderstorm electricity protective device of low-voltage electric equipment.
In order to provide lightning protection to the low-voltage electric equipment, at present effective method is on the Alternating Current Power Supply line of equipment lightning protection device to be installed.The operation principle of existing lightning protection device mainly contains two kinds: a kind of is at zero line and three phase lines the lightning protection components and parts to be installed over the ground directly respectively; Another kind is the lightning protection components and parts to be installed at zero line between over the ground, and three phase lines are to zero line direct installation lightning arrester respectively.Before a kind of lightning protection device in use because the influence of earth resistance, when the lightning protection components and parts damaged, though its front is serially connected with fuse, this fuse was difficult for fusing, so the lightning protection components and parts will be blasted or burn.A kind of lightning protection device in back in use since not zero line over the ground between the fuse of the suitable current capacity of serial connection before the lightning protection component, can cause fire to take place equally.
The purpose of this utility model is exactly in order to overcome the above problems, and a kind of safer lightning protection device is provided, and makes when the overload damage appears in lightning protection component, can prevent the generation of exploding or burning.
The utility model realizes that the scheme of above-mentioned purpose is: a kind of lightning protection device, comprise the lightning protection components and parts, connect lead and box body 1 etc., the lightning protection components and parts comprise the first piezo-resistance VR1, the second piezo-resistance VR2, the 3rd piezo-resistance VR3 and gas discharge tube GN etc.; Wherein the first piezo-resistance VR1, the second piezo-resistance VR2, the 3rd piezo-resistance VR3 have an end to link to each other with the first live wire L1, the second live wire L2, the 3rd live wire L3 respectively when inserting, the other end links to each other with zero line, gas discharge tube GN end when inserting links to each other with zero line N, and the other end links to each other with ground wire; It is characterized in that: be connected to the first overload protection device F1, the second overload protection device F2, the 3rd overload protection device F3, the 4th overload protection device FN respectively in each the lightning protection component first piezo-resistance VR1, second piezo-resistance VR2, fronts such as the 3rd piezo-resistance VR3, gas discharge tube GN; that is: between the first piezo-resistance VR1, the second piezo-resistance VR2, the 3rd piezo-resistance VR3 and live wire, be connected to the first overload protection device F1, the second overload protection device F2, the 3rd overload protection device F3, before gas discharge tube GN, be connected to the 4th overload protection device FN.
Because adopted above scheme, this lightning protection device all is connected to fuse before each lightning protection components and parts, when lightning protection components and parts overload was damaged, these fuses can fuse, thereby prevented that blast or burning from appearring in the lightning protection components and parts, can not cause the generation of fire.
Fig. 1 is the utility model embodiment schematic diagram.
Fig. 2 is the outside drawing of the utility model embodiment.
Fig. 3 is the situation schematic diagram in this device place in circuit the time.
Also in conjunction with the accompanying drawings the utility model is described in further detail below by specific embodiment.
Embodiment one: see Fig. 1, be depicted as a kind of lightning protection device, comprise the lightning protection components and parts, connect lead and box body 1 etc., the lightning protection components and parts comprise the first piezo-resistance VR1, the second piezo-resistance VR2, the 3rd piezo-resistance VR3 and gas discharge tube GN etc.; Wherein the first piezo-resistance VR1, the second piezo-resistance VR2, the 3rd piezo-resistance VR3 have an end to link to each other with the first live wire L1, the second live wire L2, the 3rd live wire L3 respectively when inserting, and the other end links to each other with zero line; Gas discharge tube GN end when inserting links to each other with zero line N, and the other end links to each other with ground wire; It is characterized in that: be connected to the first overload protection device F1, the second overload protection device F2, the 3rd overload protection device F3, the 4th overload protection device FN in each the lightning protection component first piezo-resistance VR1, second piezo-resistance VR2, fronts such as the 3rd piezo-resistance VR3, gas discharge tube GN; that is: between the first piezo-resistance VR1, the second piezo-resistance VR2, the 3rd piezo-resistance VR3 and live wire, be connected to the first overload protection device F1, the second overload protection device F2, the 3rd overload protection device F3, before gas discharge tube GN, be connected to the 4th overload protection device FN.Described overload protection device is exactly a fuse, also can adopt protective tube etc., but will appropriately choose its capacity, can not fuse too early, guarantees again can reliably fuse after lightning protection components and parts overload.
In order to make this device more reliable, in the present embodiment, also be provided with overload protection device on/off indicating circuit.Described on/off indicating circuit has three, is parallel to respectively on the first piezo-resistance VR1, the second piezo-resistance VR2, the 3rd piezo-resistance VR3, and its circuit formation is respectively:
Constitute first indicating circuit by first resistance R 1, the first diode D1 and first LED 1, be parallel to the first piezo-resistance VR1, wherein first resistance R 1, first LED 1 are in series, series connection back first resistance R 1 is connected to the first overload protection device F1, first LED 1 is connected to the junction of FN and gas discharge tube, the first diode D1 is in parallel with first LED 1, and the anode of the first diode D1 links to each other with first resistance R 1;
Constitute second indicating circuit by second resistance R 2, the second diode D2 and second LED 2, be parallel to the second piezo-resistance VR2, wherein second resistance R 2, second LED 2 are in series, series connection back second resistance R 2 is connected to the second overload protection device F2, second LED 2 is connected to the junction of FN and gas discharge tube, the second diode D2 is in parallel with second LED 2, and the anode of the second diode D2 links to each other with second resistance R 2;
Constitute the 3rd indicating circuit by the 3rd resistance R 3, the 3rd diode D3 and the 3rd LED 3; be parallel to the 3rd piezo-resistance VR3; wherein the 3rd resistance R 3, the 3rd LED 3 are in series; series connection back the 3rd resistance R 3 is connected to the 3rd overload protection device F3; the 3rd LED 3 is connected to the junction of FN and gas discharge tube; the 3rd diode D3 is in parallel with the 3rd LED 3, and the anode of the 3rd diode D3 links to each other with the 3rd resistance R 3.
Like this, after arbitrary blown fuse, corresponding indicator light will extinguish, and keep in repair with call user's attention.
This device can be widely used in the lightning protection of low voltage electrical equipment.A kind of situation when Fig. 3 shows in its place in circuit, wherein 2 is communication power supplies.The protection of other electric equipments, its wiring situation is similar.Fig. 2 is the outside drawing of the foregoing description, and wherein PE is an earth connection.
Claims (4)
1. a lightning protection device comprises the lightning protection components and parts, connects lead and box body (1) etc., and the lightning protection components and parts comprise the first piezo-resistance VR1, the second piezo-resistance VR2, the 3rd piezo-resistance VR3 and gas discharge tube GN etc.; Wherein the first piezo-resistance VR1, the second piezo-resistance VR2, the 3rd piezo-resistance VR3 have an end to link to each other with the first live wire L1, the second live wire L2, the 3rd live wire L3 respectively when inserting, and the other end links to each other with zero line; Gas discharge tube GN end when inserting links to each other with zero line N, and the other end links to each other with ground wire; It is characterized in that: be connected to the first overload protection device F1, the second overload protection device F2, the 3rd overload protection device F3, the 4th overload protection device FN respectively in each the lightning protection component first piezo-resistance VR1, second piezo-resistance VR2, fronts such as the 3rd piezo-resistance VR3, gas discharge tube GN; that is: between the first piezo-resistance VR1, the second piezo-resistance VR2, the 3rd piezo-resistance VR3 and live wire, be connected to the first overload protection device F1, the second overload protection device F2, the 3rd overload protection device F3, before gas discharge tube GN, be connected to the 4th overload protection device FN.
2. lightning protection device as claimed in claim 1 is characterized in that: also include overload protection device on/off light indicating circuit.
3. lightning protection device as claimed in claim 1 is characterized in that: described overload protection device is a fuse.
4. lightning protection device as claimed in claim 2 is characterized in that: described overload protection device is a fuse; Described on/off indicating circuit has three, is parallel to respectively on the first piezo-resistance VR1, the second piezo-resistance VR2, the 3rd piezo-resistance VR3, and its circuit formation is respectively:
Constitute first indicating circuit by first resistance R 1, the first diode D1 and first LED 1, be parallel to the first piezo-resistance VR1, wherein first resistance R 1, first LED 1 are in series, series connection back first resistance R 1 is connected to the first overload protection device F1, first LED 1 is connected to the junction of FN and gas discharge tube, the first diode D1 is in parallel with first LED 1, and the anode of the first diode D1 links to each other with first resistance R 1;
Constitute second indicating circuit by second resistance R 2, the second diode D2 and second LED 2, be parallel to the second piezo-resistance VR2, wherein second resistance R 2, second LED 2 are in series, series connection back second resistance R 2 is connected to the second overload protection device F2, second LED 2 is connected to the junction of FN and gas discharge tube, the second diode D2 is in parallel with second LED 2, and the anode of the second diode D2 links to each other with second resistance R 2;
Constitute the 3rd indicating circuit by the 3rd resistance R 3, the 3rd diode D3 and the 3rd LED 3; be parallel to the 3rd piezo-resistance VR3; wherein the 3rd resistance R 3, the 3rd LED 3 are in series; series connection back the 3rd resistance R 3 is connected to the 3rd overload protection device F3; the 3rd LED 3 is connected to the junction of FN and gas discharge tube; the 3rd diode D3 is in parallel with the 3rd LED 3, and the anode of the 3rd diode D3 links to each other with the 3rd resistance R 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98217538 CN2376112Y (en) | 1998-07-21 | 1998-07-21 | Lightning protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98217538 CN2376112Y (en) | 1998-07-21 | 1998-07-21 | Lightning protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2376112Y true CN2376112Y (en) | 2000-04-26 |
Family
ID=33970108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98217538 Expired - Lifetime CN2376112Y (en) | 1998-07-21 | 1998-07-21 | Lightning protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2376112Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100459359C (en) * | 2004-07-22 | 2009-02-04 | 艾默生网络能源有限公司 | Three-phase AC shockproof device for communication equipment |
| WO2011150828A1 (en) * | 2010-11-22 | 2011-12-08 | 华为技术有限公司 | Lightning protection circuit |
| CN103134988A (en) * | 2013-01-31 | 2013-06-05 | 中国科学院上海技术物理研究所 | Multichannel value of resistance automation measuring system |
| CN110323109A (en) * | 2019-08-06 | 2019-10-11 | 海格科技股份有限公司 | A kind of breaker of plastic casing with surge protection |
| CN110379681A (en) * | 2019-08-06 | 2019-10-25 | 海格科技股份有限公司 | A kind of breaker of plastic casing with ground |
| CN110379682A (en) * | 2019-08-06 | 2019-10-25 | 海格科技股份有限公司 | A kind of breaker of plastic casing |
| CN111999680A (en) * | 2020-08-27 | 2020-11-27 | 国网电力科学研究院武汉南瑞有限责任公司 | A convenient detection method and device for a DC fuse type arrester |
-
1998
- 1998-07-21 CN CN 98217538 patent/CN2376112Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100459359C (en) * | 2004-07-22 | 2009-02-04 | 艾默生网络能源有限公司 | Three-phase AC shockproof device for communication equipment |
| WO2011150828A1 (en) * | 2010-11-22 | 2011-12-08 | 华为技术有限公司 | Lightning protection circuit |
| US9214800B2 (en) | 2010-11-22 | 2015-12-15 | Huawei Technologies Co., Ltd. | Surge protection circuit |
| CN103134988A (en) * | 2013-01-31 | 2013-06-05 | 中国科学院上海技术物理研究所 | Multichannel value of resistance automation measuring system |
| CN110323109A (en) * | 2019-08-06 | 2019-10-11 | 海格科技股份有限公司 | A kind of breaker of plastic casing with surge protection |
| CN110379681A (en) * | 2019-08-06 | 2019-10-25 | 海格科技股份有限公司 | A kind of breaker of plastic casing with ground |
| CN110379682A (en) * | 2019-08-06 | 2019-10-25 | 海格科技股份有限公司 | A kind of breaker of plastic casing |
| CN111999680A (en) * | 2020-08-27 | 2020-11-27 | 国网电力科学研究院武汉南瑞有限责任公司 | A convenient detection method and device for a DC fuse type arrester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: PATENTEE; FROM: SHENZHEN HUAWEI ELECTRICAL CO., LTD. TO: SHENZHEN ANSHENG ELECTRICAL CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 518129, Shenzhen City, Longgang District, industrial zone snow Bay base, electrical plant on the first floor and third floor contact: Wang Yuzhong Patentee after: Ansheng Electric Co., Ltd., Shenzhen City Address before: Arts crafts emporium, Nanshan Road, Shenzhen, Nanshan District, five floor Patentee before: Huawei Electric Co., Ltd., Shenzhen |
|
| C56 | Change in the name or address of the patentee |
Owner name: EMERSON NETWORK POWER CO., LTD Free format text: FORMER NAME OR ADDRESS: SHENZHEN ANSHENG ELECTRICAL CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Patentee after: Aimosheng Network Energy Source Co., Ltd. Patentee before: Ansheng Electric Co., Ltd., Shenzhen City |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |