CN2259712Y - Lightning protector - Google Patents
Lightning protector Download PDFInfo
- Publication number
- CN2259712Y CN2259712Y CN 96215664 CN96215664U CN2259712Y CN 2259712 Y CN2259712 Y CN 2259712Y CN 96215664 CN96215664 CN 96215664 CN 96215664 U CN96215664 U CN 96215664U CN 2259712 Y CN2259712 Y CN 2259712Y
- Authority
- CN
- China
- Prior art keywords
- fast acting
- acting fuse
- pedestal
- base
- wire
- 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
Links
Abstract
The utility model relates to a lightning protector which is composed of a cover casing, a base, and corresponding circuits, wherein, the cover casing is provided with corresponding wire inlets and wire outlets, four corners on the bottom surface of the base are correspondingly provided with L-shaped convex clamping hooks, gaps are left on the four surfaces of the base by the clamping hooks, and a circuit board is clamped on the clamping hooks, and the base is clamped with the cover casing for connection. Each of two lead-in wires of the circuits is connected with a fast acting fuse, a luminous diode which is connected in series with a resistor is connected in parallel with the front end of the fast acting fuse, and the wire outlet end is connected in parallel with a transient voltage suppressor and an overvoltage protection diode. The utility model has the advantages of simple structure, convenient installation, low manufacture cost, rapid action and high reliability, and is suitable for the lighting protection of the wire inlet ends of various circuits.
Description
The utility model relates to a kind of overvoltage protection, especially a kind ofly avoids thunder and lightning to produce overvoltage on the line and damages the safety guard of electrical equipment.
At present, in southern many areas, especially mountain area; often there is thunder and lightning to attack, and produces overvoltage easily on the line, because people are generally when using household electrical appliance or communication equipment; how just it directly to be connected on the socket, and the inlet wire of socket does not generally all have any lightning-arrest protective device.The overvoltage that has household electrical appliance or communication equipment to be responded to by inlet wire at thundery sky in the time of is like this broken and is burnt, or causes that therefore bigger situations such as loss take place.
The purpose of this utility model is exactly to provide a kind of lightning protection device at the deficiency of prior art; it can be contained on the socket of household electrical appliance or communication equipment or the lead-in wire terminal of phone; when circuit produces the high pressure that moves; fuse protection device promptly; cut off incoming power, and play the protective effect of household electrical appliances etc.
The purpose of this utility model is achieved in that a kind of lightning protection device, it is by the lid shell, pedestal and related circuit are formed, described housing has corresponding inlet wire and wire hole, four angles, the bottom surface of pedestal relatively are provided with shape projection grab, grab leaves a gap in the four sides of pedestal, and circuit-board card is on this grab, and pedestal is with lid shell card and join; Circuit two-way inlet wire respectively connects a fast acting fuse, and before the fast acting fuse and be connected to the light-emitting diode of a series connection resistance, leading-out terminal also is connected to Transient Voltage Suppressor and the overvoltage protection diode.
Described fast acting fuse is the filamentary silver fast acting fuse.
Described leading-out terminal can connect corresponding gang socket.
The utility model is simple in structure, and is easy for installation, and manufacturing cost is lower, is swift in motion, and the reliability height is applicable to the lightning protection of the lead-in wire terminal of all kinds of circuit.
Below in conjunction with accompanying drawing and specific embodiments the utility model is described in further detail.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is circuit theory diagrams of the present utility model.
Referring to Fig. 1-2; the utility model is by lid shell 1; pedestal 3 and related circuit are formed; have indicator lamp hole 2 on the lid shell 1; pedestal 3 both sides have entrance hole 4 and wire hole 5; four angles, the bottom surface of pedestal 3 relatively are provided with shape projection grab 6; grab 6 leaves a gap in the four sides of pedestal 3; circuit board 7 is stuck on the grab 6; pedestal 3 blocks with lid shell 1 and joins; circuit two-way inlet wire respectively meets a fast acting fuse RD, and before the fast acting fuse RD and be connected to the light-emitting diode LD of a series connection resistance R, leading-out terminal also meets Transient Voltage Suppressor WY and overvoltage protection diode RJ.When thunder and lightning produced high pressure, Transient Voltage Suppressor WY can be 10
-12Rapidly conducting and make line short in second, fast acting fuse RD fuses immediately, thus various household electrical appliance that the back connects etc. have been protected in line disconnection.
Fast acting fuse RD of the present utility model can be the filamentary silver fast acting fuse.This fast acting fuse fusing time is short, and fusing point is low, and resistance is little, and the electric current of flowing through is big.
In the corresponding mutually gang socket of the outlet termination of the utility model circuit board, can be directly the lambda line of household electrical appliance or communication equipment etc. be connect outlet of the present utility model and get final product, use very convenient.The lightning protection device that this circuit is formed need not ground connection, and is easy for installation.
Claims (3)
1, a kind of lightning protection device, it is by the lid shell, pedestal and related circuit are formed, it is characterized in that: described housing is provided with corresponding inlet wire and wire hole, four angles, the bottom surface of pedestal relatively are provided with shape projection grab, grab leaves a gap in the four sides of pedestal, and circuit-board card is on this grab, and pedestal is with lid shell card and join; Circuit two-way inlet wire respectively connects a fast acting fuse, and before the fast acting fuse and be connected to the light-emitting diode of a series connection resistance, leading-out terminal also is connected to Transient Voltage Suppressor and the overvoltage protection diode.
2, lightning protection device according to claim 1 is characterized in that: described fast acting fuse is the filamentary silver fast acting fuse.
3, lightning protection device according to claim 1, it is characterized in that: described leading-out terminal can connect corresponding gang socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96215664 CN2259712Y (en) | 1996-07-30 | 1996-07-30 | Lightning protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96215664 CN2259712Y (en) | 1996-07-30 | 1996-07-30 | Lightning protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2259712Y true CN2259712Y (en) | 1997-08-13 |
Family
ID=33897398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96215664 Expired - Fee Related CN2259712Y (en) | 1996-07-30 | 1996-07-30 | Lightning protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2259712Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623530A (en) * | 2011-01-26 | 2012-08-01 | 常熟市福莱德连接器科技有限公司 | Antistatic photovoltaic connector |
| CN105591378A (en) * | 2015-09-21 | 2016-05-18 | 中石化石油工程技术服务有限公司 | Seismic data acquisition system power supply polarity and overload protector |
-
1996
- 1996-07-30 CN CN 96215664 patent/CN2259712Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623530A (en) * | 2011-01-26 | 2012-08-01 | 常熟市福莱德连接器科技有限公司 | Antistatic photovoltaic connector |
| CN105591378A (en) * | 2015-09-21 | 2016-05-18 | 中石化石油工程技术服务有限公司 | Seismic data acquisition system power supply polarity and overload protector |
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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 |