CN201215850Y - Electric power protecting socket - Google Patents
Electric power protecting socket Download PDFInfo
- Publication number
- CN201215850Y CN201215850Y CNU2008200478916U CN200820047891U CN201215850Y CN 201215850 Y CN201215850 Y CN 201215850Y CN U2008200478916 U CNU2008200478916 U CN U2008200478916U CN 200820047891 U CN200820047891 U CN 200820047891U CN 201215850 Y CN201215850 Y CN 201215850Y
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- pin
- oscillation transformer
- utmost point
- power supply
- triode thyristor
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Abstract
The utility model discloses a power supply protective socket, which comprises a shell, a socket body, a wire plug assembly, a starting switch and an indicator lamp. The power supply protective socket is characterized by further comprising an oscillating starting circuit, an overload over-current protective circuit and an insurance tube, wherein the oscillating starting circuit 10, the overload over-current protective circuit 11, a reducing resistance R1 and a reducing resistance R2 form a module 9. The oscillating starting circuit 10 is composed of a bidirectional thyristor BCR1, an oscillation transformer T, a non-polar condenser C1 and a coupling condenser C2, and the overload over-current protective circuit 11 is composed of a bidirectional thyristor BCR 2, a bridge rectifier ID, a diode D1, a diode D2, a filter capacitor C3, an anti-impact capacitor C4, a current-limiting sampling resistance R3 and an adjustable resistance W. The protective socket is suitable for 5V-380V alternating current power supplies, the indicator lamp has double colors, when the power supply is switched on, a red indicator lamp is enlightened, and the indicator lamp is changed into yellow in normal work. When the power supply protective socket is used as charging protective, the power supply can be immediately and automatically disconnected due to full charging of batteries, short circuits, interelectrode collisions and the like.
Description
Technical field
The utility model relates to technical field of electricity, specifically is a kind of power protection socket.
Background technology
The charger that existing market is sold comprises the battery car charger; the protective device of automatically cutting off power source immediately when all not having battery short circuit and charger itself that the story barrier takes place to cause short circuit; the operating voltage of commercially available various protectors is all restricted; there is not a kind of protective device can be useful in operate as normal under the voltage of 5V-380V; and all be that employing is active; or control transformer is realized its defencive function; it is always charged for a long time so; produce heat; consume electric resources; cause unnecessary waste, more seriously because control transformer is charged for a long time; heating easily leads to accidents such as electric shock or electrical fire.
The utility model content
The utility model purpose provides a kind of power protection socket, to realize being full of behind the electricity powered-down automatically, guarantees safety utilization of electric power, saves energy.
The technical solution of the utility model is:. a kind of power protection socket, comprise housing, insert body, terminal pin assembly, starting switch, indicator light, wherein also be provided with vibration start-up circuit and overload current foldback circuit, protective tube; In the vibration start-up circuit, the A1 utmost point of the live wire of power supply and bidirectional triode thyristor BCR1 is connected, the A2 utmost point of bidirectional triode thyristor BCR1 is connected with 1 pin of oscillation transformer T, the G utmost point of bidirectional triode thyristor BCR1 is connected with the negative pole of coupling capacitance C2, and coupling capacitance C2 is anodal to be connected with 3 pin of oscillation transformer T; 1 pin of starting switch SK and the live wire of power supply are connected simultaneously, and 2 pin of starting switch SK are connected with the end of electrodeless electric capacity C1, and the other end of electrodeless electric capacity C1 is connected with the positive pole of coupling capacitance C2; In the overload current foldback circuit, 1 pin of bridge rectifier ID is connected with 3 pin of oscillation transformer T, 2 pin of bridge rectifier ID are connected with 2 pin of oscillation transformer T, 3 pin of bridge rectifier ID are connected with the positive pole of filter capacitor C3, and 4 pin of the negative pole of filter capacitor C3 and bridge rectifier ID are connected; The A1 utmost point of bidirectional triode thyristor BCR2 is connected with 3 pin of oscillation transformer T, and the A2 utmost point of BCR2 is connected with 2 pin of the transformer T that shakes; 4 pin of the positive pole of diode D1 and bridge rectifier ID are connected, and 2 pin of the negative pole of diode D1 and oscillation transformer T are connected; The end of dropping resistor R1 and the live wire of power supply are connected, the positive pole of the dropping resistor R1 other end and LED 1 is connected, the negative pole of LED 1 is connected with zero line, the end of dropping resistor R2 is connected with the positive pole of LED 2, the other end of dropping resistor R2 is connected with output, and the negative pole of LED 2 is connected with zero line; The end of current limliting sample resistance R3 is connected with 3 pin of bridge rectifier ID, the end of the current limliting sample resistance R3 other end and adjustable resistance W is connected, 2 pin of the other end of adjustable resistance W and oscillation transformer T are connected, and the G utmost point control utmost point of the sliding point of adjustable resistance W and bidirectional triode thyristor BCR2 is connected; The G utmost point of bidirectional triode thyristor BCR2 is connected with the negative pole of diode D2, and 1 pin of the positive pole of diode D2 and oscillation transformer T is connected; The G utmost point of the positive pole of protecting against shock capacitor C 4 and bidirectional triode thyristor BCR2 is connected, and 1 pin of the negative pole of protecting against shock capacitor C 4 and oscillation transformer T is connected.
More excellent, also be provided with protective tube at the output of overload current foldback circuit.The power supply of importing is alternating current 5V--380V.
In the circuit, it is mainly by bidirectional triode thyristor (BCR1), oscillation transformer, starting switch (SK) and startup electrodeless electric capacity C1 and vibration coupling capacitance C2, bidirectional triode thyristor BCR2 composition in the overload current foldback circuit.When connecting with the mains, red LED1, through dropping resistor R1 with the zero line loop and burn red explanation has.Because the live wire of power supply inserts from the A1 utmost point of bidirectional triode thyristor BCR1, click starting switch SK, 1 pin and 2 pin are connected, power supply holds the control utmost point G utmost point that C2 is added to bidirectional triode thyristor BCR1 through electrodeless electric capacity C1 by coupling, triggers bidirectional triode thyristor BCR1 conducting, the 2 pin conductings of the A1 pin of bidirectional triode thyristor BCR1 and bidirectional triode thyristor BCR1, electric current flows into through 1 pin of oscillation transformer T, from the output of 2 pin, finishes power supply for the first time through FUSE to load.At this moment relay indicating light LED2 lights with zero line formation loop after dropping resistor R2 step-down, and indicator light changes yellow into by redness, and the circuit operate as normal is described.
Power consumption equipment is started working, flow through oscillation transformer T in a flash at load current, 2 pin of oscillation transformer T, 3 pin produce a pulse voltage simultaneously, be added to the G utmost point of bidirectional triode thyristor BCR1 again through coupling capacitance C2, thereby form a bikini oscillator, the ceaselessly powering load that goes round and begins again like this keeps making electrical appliance and equipment operate as normal, if change the size of coupling capacitance C2, directly can adjust the size of power output.
In the circuit; the overload overcurrent protection function is: because the pulse voltage of 2 pin of oscillation transformer T just at work and the output of 3 pin is carried out rectification through 1 pin and 2 pin of bridge rectifier ID; 3 pin output positive voltage from bridge rectifier ID; through filter capacitor C3; through current limliting sample resistance R3; an end that connects adjustable resistance W; the control utmost point G utmost point of adjustable resistance W sliding point and bidirectional triode thyristor BCR2 is connected; the A2 pin of the other end of adjustable resistance W and bidirectional triode thyristor BCR2; 2 pin of oscillation transformer T are connected; the A1 pin of bidirectional triode thyristor BCR2 is connected with 3 pin of oscillation transformer T, thereby forms the loop.Adjust the sliding point of adjustable resistance W, make bidirectional triode thyristor BCR2 be in cut-off state, the sliding point of stationary adjustable resistance W makes protector be in normal needed output current.When electrical appliance and overflow; because of the electric current of 2 pin that flow through 1 pin of oscillation transformer T and oscillation transformer T increases; the voltage of 2 pin of oscillation transformer T and the output of 3 pin increases; when the voltage of oscillation transformer 2 pin and 3 pin rises to the predetermined value that exceeds adjustable resistance W; the G utmost point of bidirectional triode thyristor BCR2 gets; triggering and conducting; 2 pin and 3 pin direct short-circuits with oscillation transformer T; force the control utmost point G utmost point of bidirectional triode thyristor BCR1 to lose trigger voltage and end; with power remove; power consumption equipment quits work; finish the overload overcurrent protection; indicator light becomes redness again again, and the effect of protecting against shock capacitor C 4 is in order to avoid the impact of starting current to bidirectional triode thyristor BCR2, and protecting against shock capacitor C 4 can be worked as the usefulness of bidirectional triode thyristor BCR2 triggering when serious short circuit.Diode D2 just works when serious short circuit; 2 pin and 3 pin owing to oscillation transformer T when short circuit produce voltage difference; 2 pin of oscillation transformer T are high potential; 3 pin are electronegative potential; at this moment trigger current adds to the control utmost point G utmost point of bidirectional triode thyristor BCR2 through diode D2 and protecting against shock capacitor C 4, forces its conducting, with 2 pin and the 3 pin short circuits of oscillation transformer T; force the G utmost point of bidirectional triode thyristor BCR1 to lose trigger voltage and turn-off, play the effect of overload overcurrent protection.When the charge protection owing to diminish along with being recharged the saturated of pond by 1 pin of oscillation transformer T and the electric current of 2 pin; after being recharged the pond and being full of electricity; because flowing through 1 pin and the 2 pin electric currents of bidirectional triode thyristor BCR1 and oscillation transformer T diminishes; so the trigger current of 2 pin of oscillation transformer and the output of 3 pin also diminishes thereupon; when can not keeping the operating current of bidirectional triode thyristor BCR1, ends trigger current at once; finish automatic shutdown; charger and power consumption equipment are quit work, and at this moment indicator light recovers red.
The beneficial effect of utility model is: a kind of power protection socket; no control transformer, no power consumption, suitable power supply are made the usefulness of protections for exchanging various AC power such as 5-380V; also be fit to other electrical equipment and do the overload overcurrent protection, also suitable high-low pressure transmission line makes broken string or the overload overcurrent protector uses.Solved because of transmission line interrupts all disastrous effects draw, got rid of because of short circuit and burnt the useless items of equipment and the fire of initiation.This meaning is very far-reaching and great.Example: the present invention is used for low-voltage supply line, no matter that interruption automatically cutting off power source immediately all, protects electrical equipment and the equipment thereof of this electrical network user in using, be not afraid of phase shortage and burn useless or because of the short circuit initiation fire when four lines of supply line.
Because the utility model does not have control transformer, does not produce power loss; Guarantee safety utilization of electric power, saves energy.In addition, used component number is few, simple in structure, cost is low, reliable and stable.
Description of drawings
Fig. 1 is a profile schematic perspective view of the present utility model;
Fig. 2 takes away front view behind the housing cover for the utility model;
Fig. 3 is an electrical installation schematic diagram of the present utility model.
Embodiment
Be further described below in conjunction with 1 to 3 pair of the utility model of accompanying drawing:
Among the figure, 1-housing, 2-indicator light (LED 1, LED 2), 3-fixing hole, 4-ground wire is inserted body, and 5-zero line is inserted body, and 6-live wire is inserted body,
7-starting switch, 8-plug lead-in wire assembly, 9-control module, 13-protective tube, wherein: control module 9 comprises vibration start-up circuit 10, overload current foldback circuit 11, dropping resistor R1, dropping resistor R2.Slotting body comprises that ground wire is inserted body 4, live wire is inserted body 6, the slotting body 5 of zero line.
In the control module 9:
Vibration start-up circuit 10, overload current foldback circuit 11, dropping resistor R1, dropping resistor R2 makes module 9.Vibration start-up circuit 10 is held C2 and is formed by bidirectional triode thyristor BCR1, oscillation transformer T, electrodeless electric capacity C1, coupling; The A1 utmost point of the live wire of power supply and bidirectional triode thyristor BCR1 is connected, the A2 utmost point of bidirectional triode thyristor BCR1 is connected with 1 pin of oscillation transformer T, the G utmost point of bidirectional triode thyristor BCR1 is connected with the negative pole of coupling capacitance C2, and coupling capacitance C2 is anodal to be connected with 3 pin of oscillation transformer T; 1 pin of starting switch SK and the live wire of power supply are connected simultaneously, and 2 pin of starting switch SK are connected with the end of electrodeless electric capacity C1, and the other end of electrodeless electric capacity C1 is connected with the positive pole of coupling capacitance C2.
Overload current foldback circuit 11 is made up of bidirectional triode thyristor BCR2, bridge rectifier ID, diode D1, diode D2, filter capacitor C3, protecting against shock capacitor C 4, current limliting sample resistance R3, adjustable resistance W; 1 pin of bridge rectifier ID is connected with 3 pin of oscillation transformer T, 2 pin of bridge rectifier ID are connected with 2 pin of oscillation transformer T, 3 pin of bridge rectifier ID are connected with the positive pole of filter capacitor C3, and 4 pin of the negative pole of filter capacitor C3 and bridge rectifier ID are connected; The A1 utmost point of bidirectional triode thyristor BCR2 is connected with 3 pin of oscillation transformer T, and the A2 utmost point of BCR2 is connected with 2 pin of the transformer T that shakes; Diode D1 is anodal to be connected with 4 pin of bridge rectifier ID, and 2 pin of the negative pole of diode D1 and oscillation transformer T are connected; The end of current limliting sample resistance R3 is connected with 3 pin of bridge rectifier ID, the end of the current limliting sample resistance R3 other end and adjustable resistance W is connected, 2 pin of the other end of adjustable resistance W and oscillation transformer T are connected, and the G utmost point control utmost point of the sliding point of adjustable resistance W and bidirectional triode thyristor BCR2 is connected; The G utmost point of bidirectional triode thyristor BCR2 is connected with the negative pole of diode D2, and 1 pin of the positive pole of diode D2 and oscillation transformer T is connected; The G utmost point of the positive pole of protecting against shock capacitor C 4 and bidirectional triode thyristor BCR2 is connected, and 1 pin of the negative pole of protecting against shock capacitor C 4 and oscillation transformer T is connected.
The end of dropping resistor R1 and the live wire of power supply are connected, and the other end is connected with the positive pole of LED 1 as output.The end of dropping resistor R2 is connected with the live wire of power output end, and the other end is connected with the positive pole of LED 2 as output.
A pin of starting switch (sk) 7 is connected with the live wire of power input, and the output of the electrodeless electric capacity C1 of vibration start-up circuit 10 is connected in another pin and the module 9.
One end of protective tube (FUSE) 13 is connected with overload current foldback circuit 11 outputs in the module 9, and the other end is as the output of live wire.
Control module 9, slotting body (4,5,6), starting switch 7, indicator light 2, protective tube 13 are installed in the housing 1; Plug lead-in wire assembly 8 has ground wire, live wire, zero line, and live wire wherein is electrically connected with power input in the control module 9, and ground wire is electrically connected with the slotting body 4 of ground wire, and zero line is electrically connected with the slotting body 5 of zero line.
Power supply that the utility model is imported is alternating current 5V--380V.
Claims (3)
1. a power protection socket comprises housing, inserts body, terminal pin assembly, starting switch, indicator light, it is characterized in that: also be provided with vibration start-up circuit and overload current foldback circuit, protective tube; In the vibration start-up circuit, the A1 utmost point of the live wire of power supply and bidirectional triode thyristor BCR1 is connected, the A2 utmost point of bidirectional triode thyristor BCR1 is connected with 1 pin of oscillation transformer T, the G utmost point of bidirectional triode thyristor BCR1 is connected with the negative pole of coupling capacitance C2, and coupling capacitance C2 is anodal to be connected with 3 pin of oscillation transformer T; 1 pin of starting switch SK and the live wire of power supply are connected simultaneously, and 2 pin of starting switch SK are connected with the end of electrodeless electric capacity C1, and the other end of electrodeless electric capacity C1 is connected with the positive pole of coupling capacitance C2; In the overload current foldback circuit, 1 pin of bridge rectifier ID is connected with 3 pin of oscillation transformer T, 2 pin of bridge rectifier ID are connected with 2 pin of oscillation transformer T, 3 pin of bridge rectifier ID are connected with the positive pole of filter capacitor C3, and 4 pin of the negative pole of filter capacitor C3 and bridge rectifier ID are connected; The A1 utmost point of bidirectional triode thyristor BCR2 is connected with 3 pin of oscillation transformer T, and the A2 utmost point of BCR2 is connected with 2 pin of oscillation transformer T; 4 pin of the positive pole of diode D1 and bridge rectifier ID are connected, and 2 pin of the negative pole of diode D1 and oscillation transformer T are connected; The end of dropping resistor R1 and the live wire of power supply are connected, the positive pole of the dropping resistor R1 other end and LED 1 is connected, the negative pole of LED 1 is connected with zero line, the end of dropping resistor R2 is connected with the positive pole of LED 2, the other end of dropping resistor R2 is connected with output, and the negative pole of LED 2 is connected with zero line; The end of current limliting sample resistance R3 is connected with 3 pin of bridge rectifier ID, the end of the current limliting sample resistance R3 other end and adjustable resistance W is connected, 2 pin of the other end of adjustable resistance W and oscillation transformer T are connected, and the G utmost point control utmost point of the sliding point of adjustable resistance W and bidirectional triode thyristor BCR2 is connected; The G utmost point of bidirectional triode thyristor BCR2 is connected with the negative pole of diode D2, and 1 pin of the positive pole of diode D2 and oscillation transformer T is connected; The G utmost point of the positive pole of protecting against shock capacitor C 4 and bidirectional triode thyristor BCR2 is connected, and 1 pin of the negative pole of protecting against shock capacitor C 4 and oscillation transformer T is connected.
2. a kind of power protection socket according to claim 1 is characterized in that: the output at the overload current foldback circuit also is provided with protective tube.
3. a kind of power protection socket according to claim 1, it is characterized in that: the power supply of importing is alternating current 5V--380V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200478916U CN201215850Y (en) | 2008-05-13 | 2008-05-13 | Electric power protecting socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200478916U CN201215850Y (en) | 2008-05-13 | 2008-05-13 | Electric power protecting socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201215850Y true CN201215850Y (en) | 2009-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200478916U Expired - Fee Related CN201215850Y (en) | 2008-05-13 | 2008-05-13 | Electric power protecting socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201215850Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101876814A (en) * | 2010-06-10 | 2010-11-03 | 贵州大学 | Energy-saving control method of charging plugboard and energy-saving plugboard |
| CN102315576A (en) * | 2010-06-30 | 2012-01-11 | 苹果公司 | Electric power distribution in the cable |
| US8966134B2 (en) | 2011-02-23 | 2015-02-24 | Apple Inc. | Cross-over and bypass configurations for high-speed data transmission |
| US9112310B2 (en) | 2010-06-30 | 2015-08-18 | Apple Inc. | Spark gap for high-speed cable connectors |
| US9385478B2 (en) | 2010-06-30 | 2016-07-05 | Apple Inc. | High-speed connector inserts and cables |
| CN107959148A (en) * | 2016-10-14 | 2018-04-24 | 中国电力科学研究院 | A kind of remote-controlled direct current jack with current-limiting function |
-
2008
- 2008-05-13 CN CNU2008200478916U patent/CN201215850Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101876814A (en) * | 2010-06-10 | 2010-11-03 | 贵州大学 | Energy-saving control method of charging plugboard and energy-saving plugboard |
| US9385478B2 (en) | 2010-06-30 | 2016-07-05 | Apple Inc. | High-speed connector inserts and cables |
| US8683190B2 (en) | 2010-06-30 | 2014-03-25 | Apple Inc. | Circuitry for active cable |
| CN102315576B (en) * | 2010-06-30 | 2014-08-06 | 苹果公司 | Power distribution inside cable |
| US8862912B2 (en) | 2010-06-30 | 2014-10-14 | Apple Inc. | Power distribution inside cable |
| CN104317376A (en) * | 2010-06-30 | 2015-01-28 | 苹果公司 | Power distribution inside cable |
| US9112310B2 (en) | 2010-06-30 | 2015-08-18 | Apple Inc. | Spark gap for high-speed cable connectors |
| US9274579B2 (en) | 2010-06-30 | 2016-03-01 | Apple Inc. | Circuitry for active cable |
| CN102315576A (en) * | 2010-06-30 | 2012-01-11 | 苹果公司 | Electric power distribution in the cable |
| US9494989B2 (en) | 2010-06-30 | 2016-11-15 | Apple Inc. | Power distribution inside cable |
| CN104317376B (en) * | 2010-06-30 | 2017-04-12 | 苹果公司 | Power distribution inside cable |
| US8966134B2 (en) | 2011-02-23 | 2015-02-24 | Apple Inc. | Cross-over and bypass configurations for high-speed data transmission |
| US10372650B2 (en) | 2011-02-23 | 2019-08-06 | Apple Inc. | Cross-over and bypass configurations for high-speed data transmission |
| CN107959148A (en) * | 2016-10-14 | 2018-04-24 | 中国电力科学研究院 | A kind of remote-controlled direct current jack with current-limiting function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090401 Termination date: 20120513 |