CN204668644U - A kind of safety socket circuit - Google Patents
A kind of safety socket circuit Download PDFInfo
- Publication number
- CN204668644U CN204668644U CN201520404788.2U CN201520404788U CN204668644U CN 204668644 U CN204668644 U CN 204668644U CN 201520404788 U CN201520404788 U CN 201520404788U CN 204668644 U CN204668644 U CN 204668644U
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- diode
- relay
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- contact
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Abstract
The utility model discloses a kind of safety socket circuit, comprise transformer T, rectifier bridge Q, socket B, relay J 1, relay J 2, diode D1 and electric capacity C1, socket B one end connection transformer T coil L1, the transformer T coil L1 other end connects relay J 1 contact J1-2, the relay J 1 contact J1-2 other end gang socket B other end, transformer T coil L2 two ends connect rectifier bridge Q pin 1 and rectifier bridge Q pin 3 respectively, rectifier bridge Q pin 2 connects electric capacity C2 respectively, triode VT3 emitter, potentiometer RP2, triode VT2 emitter, potentiometer RP1, diode D1 positive pole, relay J 1 coil and electric capacity C1.The utility model safety socket circuit can when power failure tripping operation be energized again, automatically delaying conducting, and the situation preventing electrical equipment from frequently turning off occurs, protective device safety, and circuit structure is simple, and cost is low, is applicable to very much promoting the use of.
Description
Technical field
The utility model relates to a kind of socket circuit, specifically a kind of safety socket circuit.
Background technology
Current function of socket is general all comparatively single, is all the effect as an electric power transfer intermediary mostly, often there will be the situation because the tripping operation etc. that has a power failure causes electrical equipment to burn.
Utility model content
The purpose of this utility model is to provide a kind of safety socket circuit with Delayed conducting, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of safety socket circuit, comprises transformer T, rectifier bridge Q, socket B, relay J 1, relay J 2, diode D1 and electric capacity C1, described socket B one end connection transformer T coil L1, the transformer T coil L1 other end connects relay J 1 contact J1-2, the relay J 1 contact J1-2 other end gang socket B other end, transformer T coil L2 two ends connect rectifier bridge Q pin 1 respectively and rectifier bridge Q pin 3, rectifier bridge Q pin 2 connects electric capacity C2 respectively, triode VT3 emitter, potentiometer RP2, triode VT2 emitter, potentiometer RP1, diode D1 positive pole, relay J 1 coil and electric capacity C1, the emitter of electric capacity C1 other end difference contact resistance R1 and double base diode VT1, the resistance R1 other end connects the first base stage and the relay J 1 contact J1-1 pin 1 of double base diode VT1 respectively, and relay J 1 contact J1-1 pin 3 connects diode D1 negative pole respectively, the relay J 1 coil other end and double base diode VT1 second base stage, relay J 1 contact J1-1 pin 2 connects relay J 2 contact J2-1, and the relay J 2 contact J2-1 other end connects the potentiometer RP1 other end respectively, electric capacity C3, resistance R3, resistance R4, diode D5 negative pole, relay J 2 coil, rectifier bridge Q pin 4 and the electric capacity C2 other end, the relay J 2 coil other end connects diode D5 positive pole and triode VT3 collector electrode respectively, triode VT3 base stage connects diode D4 positive pole and diode D3 negative pole respectively, diode D4 negative pole connects potentiometer RP2 slide plate, and described diode D3 positive pole is the contact resistance R3 other end respectively, the electric capacity C3 other end and triode VT2 collector electrode, triode VT2 base stage connects diode D2 positive pole, and diode D2 negative pole connects potentiometer RP1 slide plate, the described potentiometer RP2 other end contact resistance R4 other end.
As further program of the utility model: described diode D2 and diode D4 is voltage stabilizing didoe.
As the utility model further scheme: described double base diode VT1 model is BT33.
Compared with prior art, the beneficial effects of the utility model are: the utility model safety socket circuit can when power failure tripping operation be energized again, automatically delaying conducting; the situation preventing electrical equipment from frequently turning off occurs, protective device safety, and circuit structure is simple; cost is low, is applicable to very much promoting the use of.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of safety socket circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, in the utility model embodiment, a kind of safety socket circuit, comprises transformer T, rectifier bridge Q, socket B, relay J 1, relay J 2, diode D1 and electric capacity C1, socket B one end connection transformer T coil L1, the transformer T coil L1 other end connects relay J 1 contact J1-2, the relay J 1 contact J1-2 other end gang socket B other end, transformer T coil L2 two ends connect rectifier bridge Q pin 1 respectively and rectifier bridge Q pin 3, rectifier bridge Q pin 2 connects electric capacity C2 respectively, triode VT3 emitter, potentiometer RP2, triode VT2 emitter, potentiometer RP1, diode D1 positive pole, relay J 1 coil and electric capacity C1, the emitter of electric capacity C1 other end difference contact resistance R1 and double base diode VT1, the resistance R1 other end connects the first base stage and the relay J 1 contact J1-1 pin 1 of double base diode VT1 respectively, and relay J 1 contact J1-1 pin 3 connects diode D1 negative pole respectively, the relay J 1 coil other end and double base diode VT1 second base stage, relay J 1 contact J1-1 pin 2 connects relay J 2 contact J2-1, and the relay J 2 contact J2-1 other end connects the potentiometer RP1 other end respectively, electric capacity C3, resistance R3, resistance R4, diode D5 negative pole, relay J 2 coil, rectifier bridge Q pin 4 and the electric capacity C2 other end, the relay J 2 coil other end connects diode D5 positive pole and triode VT3 collector electrode respectively, triode VT3 base stage connects diode D4 positive pole and diode D3 negative pole respectively, diode D4 negative pole connects potentiometer RP2 slide plate, and diode D3 positive pole is the contact resistance R3 other end respectively, the electric capacity C3 other end and triode VT2 collector electrode, triode VT2 base stage connects diode D2 positive pole, and diode D2 negative pole connects potentiometer RP1 slide plate, the potentiometer RP2 other end contact resistance R4 other end.
Diode D2 and diode D4 is voltage stabilizing didoe.
Double base diode VT1 model is BT33.
Operation principle of the present utility model is: refer to Fig. 1, double base diode VT1 and peripheral cell composition delay circuit thereof, when just switching on power, relay J 1 does not work, contact J1-2 disconnects, after spending five minutes, make double base diode VT1 conducting, relay J 1 adhesive because electric capacity C1 charging voltage rises, contact J1-2 closes, socket B is energized, and often open self-insurance by contact J1-1, and at voltage under normal circumstances, diode D2, triode VT2 conducting, diode D3, diode D4 and triode VT3 end, and therefore relay J 2 does not work.During appearance overvoltage, diode D4 just punctures conducting, triode VT3 conducting simultaneously, relay J 2 adhesive, and contact J2-1 disconnects, and relay J 1 dead electricity discharges, socket B power-off, serves the effect of protection load appliance.When permissible value (180V) of supply voltage lower than load appliance, diode D2, triode VT2 just can become cut-off from conducting, the collector voltage of triode VT2 rises, make diode D3, triode VT3 conducting, relay J 2 adhesive, socket B power-off can be made equally.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technical scheme in each embodiment also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
Claims (3)
1. a safety socket circuit, comprises transformer T, rectifier bridge Q, socket B, relay J 1, relay J 2, diode D1 and electric capacity C1, it is characterized in that, described socket B one end connection transformer T coil L1, the transformer T coil L1 other end connects relay J 1 contact J1-2, the relay J 1 contact J1-2 other end gang socket B other end, transformer T coil L2 two ends connect rectifier bridge Q pin 1 respectively and rectifier bridge Q pin 3, rectifier bridge Q pin 2 connects electric capacity C2 respectively, triode VT3 emitter, potentiometer RP2, triode VT2 emitter, potentiometer RP1, diode D1 positive pole, relay J 1 coil and electric capacity C1, the emitter of electric capacity C1 other end difference contact resistance R1 and double base diode VT1, the resistance R1 other end connects the first base stage and the relay J 1 contact J1-1 pin 1 of double base diode VT1 respectively, and relay J 1 contact J1-1 pin 3 connects diode D1 negative pole respectively, the relay J 1 coil other end and double base diode VT1 second base stage, relay J 1 contact J1-1 pin 2 connects relay J 2 contact J2-1, and the relay J 2 contact J2-1 other end connects the potentiometer RP1 other end respectively, electric capacity C3, resistance R3, resistance R4, diode D5 negative pole, relay J 2 coil, rectifier bridge Q pin 4 and the electric capacity C2 other end, the relay J 2 coil other end connects diode D5 positive pole and triode VT3 collector electrode respectively, triode VT3 base stage connects diode D4 positive pole and diode D3 negative pole respectively, diode D4 negative pole connects potentiometer RP2 slide plate, and described diode D3 positive pole is the contact resistance R3 other end respectively, the electric capacity C3 other end and triode VT2 collector electrode, triode VT2 base stage connects diode D2 positive pole, and diode D2 negative pole connects potentiometer RP1 slide plate, the described potentiometer RP2 other end contact resistance R4 other end.
2. safety socket circuit according to claim 1, is characterized in that, described diode D2 and diode D4 is voltage stabilizing didoe.
3. safety socket circuit according to claim 1, is characterized in that, described double base diode VT1 model is BT33.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520404788.2U CN204668644U (en) | 2015-06-12 | 2015-06-12 | A kind of safety socket circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520404788.2U CN204668644U (en) | 2015-06-12 | 2015-06-12 | A kind of safety socket circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204668644U true CN204668644U (en) | 2015-09-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520404788.2U Expired - Fee Related CN204668644U (en) | 2015-06-12 | 2015-06-12 | A kind of safety socket circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204668644U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410528A (en) * | 2016-11-18 | 2017-02-15 | 广西大学 | Overvoltage automatic power-off safety socket |
-
2015
- 2015-06-12 CN CN201520404788.2U patent/CN204668644U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410528A (en) * | 2016-11-18 | 2017-02-15 | 广西大学 | Overvoltage automatic power-off safety socket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20170612 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |