CN2629309Y - Antiinterference protector for electric appliance - Google Patents
Antiinterference protector for electric appliance Download PDFInfo
- Publication number
- CN2629309Y CN2629309Y CN 03247055 CN03247055U CN2629309Y CN 2629309 Y CN2629309 Y CN 2629309Y CN 03247055 CN03247055 CN 03247055 CN 03247055 U CN03247055 U CN 03247055U CN 2629309 Y CN2629309 Y CN 2629309Y
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- China
- Prior art keywords
- circuit
- protector
- electrical equipment
- jamming
- hardened
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- Expired - Fee Related
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Abstract
An electrical appliance anti-jamming protector is characterized in that the utility model is composed of an anti-jamming circuit and an anti-radiative circuit. One side of the anti-jamming circuit is provided with a connection connected with the power, while the other side is connected with the anti-radiative circuit. The output of the anti-radiative circuit is provided with an electrical appliance connection. The electrical appliance anti-jamming protector of the utility model has the advantages of scientific design, simple structure, strong practicality, wider range of application, which not only can restrain the impulse disturbance from the power system, ensure that the constant voltage and the current impulse to not exceed the anti-jamming ability of the electrical appliances, guarantee the normal working of the electrical equipments, and thus prevent the disturbance of fluctuation of the electrical equipment to the power system. The utility model not only takes as individual product, but also shapes an entity after combination with various power sockets or plugs.
Description
Technical field
The utility model relates to Protector for electric appliance, the anti-interference protector of especially a kind of electrical equipment.
Technical background
Raising along with people's living standard, increasing household electrical appliance have entered family, the power line of these household electrical appliance directly is connected with city's electrical network usually, when line voltage momentary fluctuation variation causes that electric polarity surge (impact) disturbs, the electrical equipment that is moving can be subjected to certain influence, generally speaking, people are difficult to discover, but this interference is for computer or precise electric equipment, and its influence is very big, when Disturbance in Power Net seals in power supply, can cause power initiation overlong time or too short, can cause that the computer output voltage is undesired to be caused repeated priming or do not start, can burn out power supply or equipment when serious; This interference is especially obvious to the influence of display, and it can make screen produce irregular pit, directly influences its display effect.For preventing that the line voltage momentary fluctuation may be to the interference of some precise electric equipments, someone has designed a kind of attaching plug that is provided with integral coil, it can prevent the interference of line voltage momentary fluctuation to other electrical equipment, but can not prevent that the electric equipment of oneself may be to the interference of other electric equipment in the electrical network.
Summary of the invention
The purpose of this utility model is the deficiency at above-mentioned existence; provide a kind of line voltage transient fluctuation that both can prevent may be, can prevent after oneself the electric equipment energising the anti-interference protector of electrical equipment that may disturb other electric equipment again the interference of other electric equipment.
The anti-interference protector of the utility model electrical equipment; it is characterized in that: form by anti-jamming circuit and radiation-hardened ic; one end of anti-jamming circuit is provided with the connector with civil power, and the other end of anti-jamming circuit is connected with radiation-hardened ic, and the output of radiation-hardened ic is provided with the electrical equipment connector.
The operation principle of the anti-interference protector of the utility model electrical equipment is: start working when the anti-interference protector energized of this electrical equipment, when line voltage or electric current have momentary fluctuation to change or disturb, the anti-jamming circuit of the anti-interference protector of this electrical equipment can hinder the transient change of electric current, and the high frequency composition in the filtering electric current, cause that to prevent that the line voltage momentary fluctuation from changing the electric polarity surge causes damage to electrical equipment; The bypass processing is carried out in the issuable interference of electric current momentary fluctuation that is arranged on during radiation-hardened ic then can be opened consumer electronics or close on the anti-interference protector of electrical equipment, thereby avoids the interference to line voltage.
The anti-interference protector design science of the utility model electrical equipment; simple in structure; practical; applied widely; it can suppress from the next impulse disturbances of electrical network; guarantee that transient voltage, current impulse are no more than the antijamming capability scope of electric equipment, guaranteeing the normal operation of electric equipment, and can prevent the interference of the issuable fluctuation of electric equipment itself electrical network.The anti-interference protector of this electrical equipment both can become product separately, also can combine with various supply sockets or plug to form one.
The concrete structure of the anti-interference protector of the utility model electrical equipment is provided in detail by the following drawings and embodiment.
Description of drawings
Fig. 1 is the anti-interference protector theory structure of an electrical equipment schematic diagram.
Embodiment
Embodiment: can be clear that from Fig. 1, the anti-interference protector of electrical equipment is made up of anti-jamming circuit 1 and radiation-hardened ic 2 and ground connection indicating circuit 3, described anti-jamming circuit 1 is by the filter capacitor C1 and the resistance R 1 that are connected in parallel between live wire L and center line N, and the common mode inductance TF1 that is connected on live wire L and the center line N constitutes; Described radiation-hardened ic 2 is made of two series capacitance C2, C3 being connected in parallel between live wire L and center line N, and described ground connection indicating circuit 3 is made of the light-emitting diode D1 and the resistance R 2 that are connected in parallel between live wire L and center line N; One end of anti-jamming circuit 1 is provided with interface L1, the N1 that is connected with center line with the electrical network live wire, and the common mode inductance TF1 output of anti-jamming circuit 1 is connected with center line N with the live wire L of radiation-hardened ic 2.The two ends of the capacitor C 2 of radiation-hardened ic 2 are connected with ground connection indicating circuit 2, one end of ground connection indicating circuit 2 is output as interface L2 for live wire L, the other end of ground connection indicating circuit 2 is earth terminal E, and the output of the capacitor C 3 of radiation-hardened ic 2 is center line output interface N2.
Claims (5)
1, the anti-interference protector of a kind of electrical equipment; it is characterized in that: form by anti-jamming circuit (1) and radiation-hardened ic (2); one end of anti-jamming circuit (1) is provided with connector L1, the N1 with civil power; the other end of anti-jamming circuit (1) is connected with radiation-hardened ic (2), and the output of radiation-hardened ic (2) is provided with interface L2, the N2 that is connected with electrical equipment.
2, the anti-interference protector of electrical equipment according to claim 1 is characterized in that: the output of radiation-hardened ic (2) is provided with ground connection indicating circuit (3).
3, the anti-interference protector of electrical equipment according to claim 1 and 2 is characterized in that: anti-jamming circuit (1) by be connected in parallel on filter capacitor C1, the resistance R 1 between live wire L and center line N and be connected on live wire L and center line N on common mode inductance TF1 constitute.
4, the anti-interference protector of electrical equipment according to claim 1 and 2 is characterized in that: radiation-hardened ic (2) is made of two series capacitance C2, C3 being connected in parallel between live wire L and center line N.
5, the anti-interference protector of electrical equipment according to claim 3 is characterized in that: radiation-hardened ic 2 is made of two series capacitance C2, C3 being connected in parallel between live wire L and center line N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03247055 CN2629309Y (en) | 2003-06-06 | 2003-06-06 | Antiinterference protector for electric appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03247055 CN2629309Y (en) | 2003-06-06 | 2003-06-06 | Antiinterference protector for electric appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2629309Y true CN2629309Y (en) | 2004-07-28 |
Family
ID=34252262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03247055 Expired - Fee Related CN2629309Y (en) | 2003-06-06 | 2003-06-06 | Antiinterference protector for electric appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2629309Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101217366B (en) * | 2007-01-04 | 2012-08-22 | 北京紫贝龙科技有限责任公司 | A digital signature device with write protection |
| CN101919162B (en) * | 2008-01-17 | 2013-12-11 | 坚固芯片公司 | Layout method for soft-error hard electronics, and radiation hardened logic cell |
| US9083341B2 (en) | 2008-01-17 | 2015-07-14 | Robust Chip Inc. | Soft error resilient circuit design method and logic cells |
-
2003
- 2003-06-06 CN CN 03247055 patent/CN2629309Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101217366B (en) * | 2007-01-04 | 2012-08-22 | 北京紫贝龙科技有限责任公司 | A digital signature device with write protection |
| CN101919162B (en) * | 2008-01-17 | 2013-12-11 | 坚固芯片公司 | Layout method for soft-error hard electronics, and radiation hardened logic cell |
| US9083341B2 (en) | 2008-01-17 | 2015-07-14 | Robust Chip Inc. | Soft error resilient circuit design method and logic cells |
| US9081926B2 (en) | 2008-01-17 | 2015-07-14 | Klas Olof Lilja | Soft error and radiation hardened sequential logic cell |
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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 |