CN2398762Y - Two-purpose lighting-protection overvoltage protector - Google Patents
Two-purpose lighting-protection overvoltage protector Download PDFInfo
- Publication number
- CN2398762Y CN2398762Y CN 99240980 CN99240980U CN2398762Y CN 2398762 Y CN2398762 Y CN 2398762Y CN 99240980 CN99240980 CN 99240980 CN 99240980 U CN99240980 U CN 99240980U CN 2398762 Y CN2398762 Y CN 2398762Y
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- Prior art keywords
- lightning
- overvoltage
- antenna
- resistance
- power supply
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- Expired - Fee Related
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Abstract
The utility model relates to a double-duty lightning protection overvoltage protector, which belongs to the field of electronic products. The utility model is composed of an antenna lightning protection part, a power supply lightning protection part and an overvoltage protection part. The structural actions of the antenna lightning protection part and the power supply lightning protection part are same. In a lightning time, the supervoltage pulse current which is fallen on a power circuit of a domestic appliance and an antenna is communicated with the earth after penetrating through a voltage dependent resistor and a saw tooth clearance in the utility model, and the powerful lightning pulse voltage is led to the earth to play the role of lightning protection. In a circuit overvoltage time, the overvoltage protection causes power supply leakage current protector to cut power to play the role of overvoltage protection.
Description
The utility model relates to a kind of dual-purpose lightning-arrest overvoltage protector that can effectively protect household electrical appliance, power supply overvoltage, belongs to the electronic product field.
The thunderstorm season of China, big surprising of the annual economic loss that causes to people because of thunderstorm electric shock disaster.Lightning protection, to take shelter from the thunder in the middle of people's life be necessary, also is a very important job; At present, known lightning arrester has: valve-type arrester, vacuum lightning arrester, gap discharge lightning arrester etc.Valve-type arrester is the high voltage substation that is used in power industry, places such as distribution transformer.Vacuum lightning arrester generally is used in units such as post and telecommunications, broadcasting, factory, and they are incompatibility family wear usefulness all, and the gap discharge lightning arrester is not high because of its sensitivity, and family also few people adorns usefulness.Recent years, along with improving constantly of family life, the self-built new house of family more and more, but the lightning protection of family room is lightning-arrest, has all been ignored by people.According to investigations, also do not have home-use, safe and reliable, highly sensitive family expenses lightning arrester so far, thereby be directed at, at the thunderstorm season in every year, because the accident that thunder and lightning is ruined household electrical appliance happens occasionally.Also some is regional and local, because of the management of power use is not good at, and the electrical source of power house lead in, power electricity and civil power hybrid junction cause household electrical appliance and burn and fire, have caused very big loss and harm for people's life and economy.
The purpose of this utility model is to overcome the deficiency and the defective of above lightning protection lightning-protecting engineering and overvoltage control technology, provide a kind of can be effectively to household electrical appliance; the dual-purpose lightning-arrest overvoltage protector that the power supply overvoltage is protected; it can reach safe and reliable, highly sensitive effect in family uses.
In order to achieve the above object, the utility model is by (MYL type zinc oxide) piezo-resistance, sawtooth gap discharge lightning arrester, diode, voltage stabilizing didoe (2CW) filter capacitor, relay, current-limiting resistance, printed circuit, casing, antenna jack, cable etc.It is divided into three parts and forms, by sawtooth gap lightning arrester, and piezo-resistance, antenna terminal, antenna jack is formed the antenna lightning arrester part; By sawtooth gap lightning arrester, piezo-resistance, supply hub, power supply terminal is formed the power arrester part; By rectifier diode (5), voltage stabilizing didoe, filter capacitor, relay, current-limiting resistance R forms the overvoltage protector part; Supply hub one end of power arrester and overvoltage protection connects with the negative pole of power firestreak, piezo-resistance, sawtooth gap, lightning arrester diode.The other end connects with relay coil tail end, filter capacitor negative pole and power supply 0 line.J1 two contacts of relay J, some series resistance ground connection, another point is connected with power firestreak.The antenna lightning arrester part: sawtooth gap lightning arrester head end is connected with the antenna input terminal with the piezo-resistance head end, and tail end is connected with ground wire, and the antenna lightning arrester part is identical with the structure function of power arrester part.As thunderstorm hour, aerial or outdoor have a powerful super-high pressure pulse, drops on the power circuit and antenna of household electrical appliance, electric current is by piezo-resistance and sawtooth gap lightning arrester, connect with the earth, powerful lightning current is drawn leak into ground, thereby played the effect that the household electrical appliance lightning protection is taken shelter from the thunder.The used power supply of overvoltage protector is 220v; when voltage just often; voltage stabilizing numerical value after five voltage stabilizing two utmost points serial connection is during near rectifier diode halfwave rectifier voltage; the electric current that this moment, the loop was passed through is very little; be far smaller than the attract current of relay; relay can not adhesive; when supply voltage raises; when rectifier output voltage is connected in series the voltage stabilizing didoe puncture voltages greater than five; the relay coil electric current increases; when the voltage that reaches setting (250V), the relay adhesive, at this moment; (contact J1 one end serial resistance R and ground wire join in contact J1 connection; the other end and live wire join) electric current of live wire connects by current-limiting resistance and ground wire, makes the outage of power supply earth leakage protective device, played the effect of overvoltage protection.
The utility model is compared with the common electrical lightning arrester, is essentially different, and its difference is: it can be lightning-arrest to household electrical appliance power supply and antenna lightning protection simultaneously, and can shield to the power supply overvoltage, thereby stopped the damage of thunder and lightning to household electrical appliance.Characteristics such as it has safe and reliable, and is highly sensitive, and volume is little, and cost is low, rational in infrastructure, easy for installation can be installed supporting use with various household electrical appliance and household electricity.
Figure one is the external form figure of the dual-purpose lightning-arrest overvoltage protector of the utility model.
Figure two is principle assumption diagrams of the dual-purpose lightning-arrest overvoltage protector of the utility model.
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
External form of the present utility model is shown in figure one, and it is by casing cover 1, shell 2, antenna jack 3, supply hub 4, antenna entrance hole 5, electric power incoming line hole 6, fixedly sieve silk hole 7 compositions such as grade.Antenna entrance hole 5 is in the upper left side of shell 2, and electric power incoming line hole 6 is in the upper right side of shell 2, and on the center line of casing cover 1, the left side is an antenna jack 3, and the right side is a supply hub 4, and there is fixedly sieve silk hole 7 centre.
Theory structure of the present utility model is shown in figure two, and it divides three parts: the antenna lightning arrester part, and by antenna jack 3, antenna input terminal 8, sawtooth gap lightning arrester 9A, power supply terminal 11, piezo-resistance 12 is formed; Overvoltage protector part: by rectifier diode 13; five voltage stabilizing didoes 14; filter capacitor 15; relay J; current-limiting resistance R; cable 16; printed circuit 17 is formed, and when normal voltage, the voltage stabilizing numerical value after five voltage stabilizing didoes 14 are connected in series is near the halfwave rectifier voltage of rectifier diode 13; at this moment; the electric current that passes through in the loop is very little, is far smaller than the attract current of relay J, and relay J can not adhesive; when supply voltage raises; rectifier output voltage is during greater than the puncture voltage of five polyphone voltage stabilizing didoes 14, and the electric current of relay J increases, when the voltage that reaches setting (250V); the relay J adhesive; the electric current that this moment, contact J1 connected (contact J1 one end polyphone current-limiting resistance is connected with ground wire, and the other end is connected with live wire through cable 16) live wire makes the earth leakage protective device outage finish the overvoltage protection effect by J1 current-limiting resistance R and ground wire connection; the size of resistance R earth current is decided by the resistance of resistance R.The part of three parts is contained on the printed circuit board 17 altogether, and the ground wire of three parts links to each other, and power arrester and overvoltage protector are connected on the power supply.
Claims (2)
1, a kind of dual-purpose lightning-arrest overvoltage protector; mainly comprise sawtooth gap lightning arrester, piezo-resistance, rectifier diode; five voltage-stabiliser tubes; filter capacitor, relay, printed circuit board (PCB) etc.; it is characterized in that by sawtooth gap lightning arrester (9A); piezo-resistance (10), antenna terminal (8), the antenna lightning arrester that antenna jack (3) is formed.By sawtooth gap lightning arrester (9B) and piezo-resistance (12); supply hub (4); the power arrester that power supply terminal (11) is formed; by rectifier diode (13), five voltage stabilizing didoes (14), filter capacitor (15); the overvoltage protector that the relay J current-limiting resistance is formed; be contained in altogether on the printed circuit board (17), the ground wire of three parts links, and power arrester and overvoltage protector are connected on the power supply.
2, it is characterized in that according to right 1 described dual-purpose lightning-arrest overvoltage protector: with sawtooth gap lightning arrester (9AB); piezo-resistance (12) cooperates lightning-arrest; rectifier diode (13), five voltage-stabiliser tubes (14), relay J current-limiting resistance R, filter capacitor (15) is made overvoltage protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99240980 CN2398762Y (en) | 1999-12-08 | 1999-12-08 | Two-purpose lighting-protection overvoltage protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99240980 CN2398762Y (en) | 1999-12-08 | 1999-12-08 | Two-purpose lighting-protection overvoltage protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2398762Y true CN2398762Y (en) | 2000-09-27 |
Family
ID=34027923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99240980 Expired - Fee Related CN2398762Y (en) | 1999-12-08 | 1999-12-08 | Two-purpose lighting-protection overvoltage protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2398762Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105911968A (en) * | 2016-05-26 | 2016-08-31 | 滨州新大新机电科技有限公司 | Analog input-type safety barrier and isolator bottom plate |
-
1999
- 1999-12-08 CN CN 99240980 patent/CN2398762Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105911968A (en) * | 2016-05-26 | 2016-08-31 | 滨州新大新机电科技有限公司 | Analog input-type safety barrier and isolator bottom plate |
| CN105911968B (en) * | 2016-05-26 | 2019-03-19 | 滨州新大新机电科技有限公司 | A kind of analog input type guard grating, isolator bottom plate |
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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 |