CN2190845Y - Household delay lamp turn-off switch - Google Patents

Household delay lamp turn-off switch Download PDF

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Publication number
CN2190845Y
CN2190845Y CN 94236496 CN94236496U CN2190845Y CN 2190845 Y CN2190845 Y CN 2190845Y CN 94236496 CN94236496 CN 94236496 CN 94236496 U CN94236496 U CN 94236496U CN 2190845 Y CN2190845 Y CN 2190845Y
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rectification circuit
diode
switch
circuit output
resistance
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Expired - Fee Related
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CN 94236496
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Chinese (zh)
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刘维奇
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Individual
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Individual
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Abstract

The utility model relates to a household delay lamp turn-off switch, comprising a switch, a rectifier circuit which is connected in parallel with both ends of the switch and a delay turn-off controllable silicon circuit, wherein, the switch is connected in series with the power supply circuit of the lamp to work; the lamp can be maintained for a period of time of lighting before being turned off automatically after the switch is off. The utility model has the advantages of simple wiring, convenient installation and high safety.

Description

Household delay lamp turn-off switch
The utility model relates to a kind of electronic switch, particularly a kind of family indoor time-delay light-off switch.
Chinese patent 92202435.9 discloses a kind of electronic time-delay switch, is characterized in that push-button switch is in parallel with controllable silicon, and lamp is connected with two groups of diodes of controllable silicon and reverse parallel connection.Use this delay switch, must could work when controllable silicon triggering and conducting back loading, bear whole electric currents in load conduction period on controllable silicon, conducting for a long time is unfavorable to controllable silicon, during the loaded work piece in case overcurrent occurs or short trouble must damage delay switch, poor reliability; And switch will connect with load by activation time delayed device or controllable silicon, rather than directly connects, and on line is complicated; Must use special-purpose delay switch to replace existing regular tap, its range of application is restricted.
The purpose of the utility model is intended to overcome above-mentioned deficiency of the prior art, provide a kind of wiring simple, easy for installation, safe and reliable, and can by existing lamp switch (for example: pulling switch, keyboard switch, toggle switch, key-lifting switch, push-button switch etc.) in the family is directly reequiped the family expenses light-off switch of delaying time.Can be widely used in the light fixture in family, restaurant, hotel, operating room etc. and the relevant place of people's daily life.
Technical solution of the present utility model is: a kind of family expenses time-delay light-off switch, comprise K switch, it is characterized in that also comprising the rectification circuit that is connected in parallel on K switch two ends (1), (2), the time delayed turn-off ghyristor circuit that connects with 2 outputs of rectification circuit (3), (4);
Described rectification circuit is by diode D 1, D 2, D 3The half-wave rectifying circuit of forming is applicable to incandescent type electric lamp;
Described time delayed turn-off ghyristor circuit is by triode BG 1, controllable silicon SCR, diode D 8, D 9, D 10, capacitor C 1, resistance R 1, R 2, R 3Form; Diode D 9Anode meets rectification circuit output plus terminal (3), the negative electrode diode D through the forward serial connection 10, controllable silicon SCR meets rectification circuit output negative terminal (4), triode BG 1Emitter e meet rectification circuit output negative terminal (4), collector electrode C through resistance R 1Meet rectification circuit output plus terminal (3), the diode D of base stage b through oppositely being connected in series 8, in turn the serial connection resistance R 3And R 2Connect rectification circuit output plus terminal (3), controllable silicon SCR gate pole G meets triode BG 1Collector electrode C, capacitor C 1Positive terminating resistor R 2With R 3Interface, negative terminal connect rectification circuit output negative terminal (4).
Rectification circuit described in the utility model technical solution can also be by diode D 4, D 5, D 6, D 7The rectifier bridge of forming.Be applicable to various types of electric lights.
Time delayed turn-off ghyristor circuit described in the utility model technical solution can also be by triode BG 2, controllable silicon SCR, diode D 9, D 10, light-emitting diode LD 1, capacitor C 2, resistance R 4, R 6, R 7, variable resistor R 5Form; Diode D 9Anode meets rectification circuit output plus terminal (3), the negative electrode diode D through the forward serial connection 10, controllable silicon SCR meets rectification circuit output negative terminal (4), triode BG 2Emitter e meet rectification circuit output negative terminal (4), collector electrode C through resistance R 4Connect rectification circuit output plus terminal (3), the resistance R of base stage b through being connected in series in turn 7, variable resistor R 5, resistance R 6Connect rectification circuit output plus terminal (3), controllable silicon SCR gate pole G meets triode BG 2Collector electrode C, capacitor C 2Positive termination variable resistor R 5With resistance R 7Interface, negative terminal meet rectification circuit output negative terminal (4), light-emitting diode LD 1Anode connecting resistance R 6With variable resistor R 5Interface, negative electrode connect rectification circuit output negative terminal (4).
Controllable silicon described in the utility model technical solution can be one-way SCR, bidirectional triode thyristor or other integrated the novel semi-conductor switching device of certain circuits for triggering.Diode in series can increase or reduce on the controllable silicon SCR branch road, and diode in series is many more, and the direct current pressure drop between 2 outputs of rectification circuit is big more, otherwise more little.
Compared with prior art, the utlity model has following characteristics:
(1) the utility model can be used as a complete new product and produces, also the device of rectification circuit and time delayed turn-off ghyristor circuit formation can be reequiped the regular tap (for example: pulling switch, keyboard switch, toggle switch, key-lifting switch, push-button switch etc.) that uses in the existing family by forms such as grafting, crimping, hinge joints as a relatively independent product, get final product with switch in parallel;
(2) wiring is simple, and is easy for installation, safe and reliable, and time-delay light-off circuit by short circuit, is in high-impedance state again partly in a period of time of time-delay illumination work during normal illumination when extinguishing, not fragile, the trouble of turning on light and not working can not occur;
(3) adopt the utility model, make people behind stopcock K, still keeping lamp lighting extinguishes after a period of time more automatically, the time-delay illumination during this period of time after utilizing stopcock K, people can leave away calmly or finish certain work, remove the handicapped worry of feeling about in the dark after turning off the light from, the life that is convenient for people to can be widely used in all places relevant with people's daily life such as family, restaurant, hotel, operating room.
Fig. 1 is the utility model circuit block diagram;
Fig. 2 is the utility model embodiment 1 electrical schematic diagram;
Fig. 3 is the utility model embodiment 2 electrical schematic diagrams.
The utility model is described in further detail below by embodiment:
Embodiment 1: referring to Fig. 1,2.
A kind of family expenses time-delay light-off switch that is applicable to incandescent type electric lamp, by K switch (for example: common pulling switch), be connected in parallel on the rectification circuit at K switch two ends 1,2, the time delayed turn-off ghyristor circuit that connects with 2 outputs of rectification circuit 3,4 is formed, circuit is contained in one and prints on the version, is equipped with shell or is provided with K switch is whole.
Rectification circuit is by diode D 1, D 2, D 3(being 1N4007) forms half-wave rectifying circuit; Diode D 1An end 1, negative electrode that anode connects K switch are rectification circuit output plus terminal 3, diode D 3The other end 2, anode that negative electrode connects K switch are rectification circuit output negative terminal 4, diode D 2Negative electrode meets diode D 1Negative electrode, anode meet diode D 3Anode; When 1 end for high, 2 ends was low positive half cycle, electric current was by diode D 1And the time delayed turn-off ghyristor circuit, diode D 3Conducting; When 1 end for negative, 2 ends is positive negative half period, diode D 1, D 3Because of oppositely ending and since this moment 4 terminal potentials than 3 end height, diode D 2Conducting makes the time delayed turn-off ghyristor circuit pass through diode D oppositely the time 2Short circuit prevents that reverse voltage is too high and damages electrochemical capacitor.Therefore, when adopting this half-wave rectifying circuit, during time-delay that the switch branch is had no progeny illumination, electric light can only the half-wave conducting, and its luminosity has tangible change, the effective disjunction of expression switch.
The time delayed turn-off ghyristor circuit is by triode BG 1(S9014), controllable silicon SCR (MCR100), diode D 8(1N4148), D 9, D 10, capacitor C 1(about 10 μ), resistance R 1(220K Ω), R 2(1M Ω), R 3(63K Ω) forms; Diode D 9Anode meets rectification circuit output plus terminal 3, the negative electrode diode D through the forward serial connection 10, controllable silicon SCR meets rectification circuit output negative terminal 4, triode BG 1Emitter e meet rectification circuit output negative terminal 4, collector electrode C through resistance R 1Meet rectification circuit output plus terminal 3, the diode D of base stage b through oppositely being connected in series 8, in turn the serial connection resistance R 3And R 2Connect rectification circuit output plus terminal 3, controllable silicon SCR gate pole G meets triode BG 1Collector electrode C, capacitor C 1Positive terminating resistor R 2With R 3Interface, negative terminal connect rectification circuit output negative terminal 4.
During use, K switch two ends 1,2 are the same with prior art, are serially connected in the electric power loop of electric light L to work.After the K switch closure, electric light L forms the closed-loop path by switch and is lighted, and time-delay light-off circuit is partly by short circuit.When the K switch branch is had no progeny, rectification circuit is with AC rectification, form negative just down pulsating current at rectification circuit output end 3,4, collector electrode C output high level direct current or pulse from triode BG1, be added on the gate pole G of controllable silicon SCR, make the controllable silicon SCR triggering and conducting, electric light L is by rectification circuit, diode D 9, D 10, controllable silicon SCR forms the closed-loop path and still lighted; Simultaneously, from rectification circuit output plus terminal 3 through resistance R 2To capacitor C 1Capacitor C is worked as in charging 1The enough ambassador's triodes of voltage BG 1Saturation conduction, the voltage drop between collector electrode C and the emitter e is very low, and controllable silicon gate pole G loses triggering level and turn-offs, and electric light L does not have close access and turn-offs, thereby realizes the purpose that the K switch branch is had no progeny and delayed time and turn off the light; The length of delay time is decided by the mode and the resistance R of rectification circuit 2With capacitor C 1Factors such as the size of product; Adopt half-wave rectifying circuit, the light-off in 1～2 minute of can delaying time has half optical illumination characteristic during the time-delay illumination.
Embodiment 2: referring to Fig. 1,3.
A kind of family expenses time-delay light-off switch that is applicable to all kinds electric light by K switch, is connected in parallel at the K switch two ends 1,2 full-wave rectifying circuit, the time delayed turn-off ghyristor circuit that connects with 2 outputs of this rectification circuit 3,4 composition; Circuit is contained in one and prints on the version, is equipped with shell, or is provided with K switch is whole.
Described full-wave rectifying circuit is by diode D4, D 5, D 6, D 7(being 1N4007) formed.
Described time delayed turn-off ghyristor circuit is by triode BG 2(S9014), controllable silicon SCR (MCR100), diode D 9, D 10, light-emitting diode LD 1, capacitor C 2(470 μ/6.3V), resistance R 4(220K Ω), R 6(50K Ω, 1W), R 7(500 Ω), variable resistor R 5(200K Ω) forms; Diode D 9Anode meets rectification circuit output plus terminal 3, the negative electrode diode D through the forward serial connection 10, controllable silicon SCR meets rectification circuit output negative terminal 4, triode BG 2Emitter e meet rectification circuit output negative terminal 4, collector electrode C through resistance R 4Connect rectification circuit output plus terminal 3, the resistance R of base stage b through being connected in series in turn 7, variable resistor R 5, resistance R 6Connect rectification circuit output plus terminal 3, controllable silicon SCR gate pole G meets triode BG 2Collector electrode C, capacitor C 2Positive termination variable resistor R 5With resistance R 7Interface, negative terminal meet rectification circuit output negative terminal 4, light-emitting diode LD 1Anode connecting resistance R 6With variable resistor R 5Interface, negative electrode connect rectification circuit output negative terminal 4.
During use, K switch two ends 1,2 are the same with prior art, are serially connected in the electric power loop of electric light L to work.When K switch was closed, electric light L lighted, capacitor C 2Discharge.When the K switch branch is had no progeny, because capacitor C 2Both end voltage is 0, triode BG 2Ending, is high potential between its collector electrode L and the emitter e, triggers the controllable silicon SCR conducting; Pass through resistance R 6With light-emitting diode LD 1Make variable resistor R 5And capacitor C 2The voltage at two ends is clamped to about 1.5V, light-emitting diode LD 1Luminous, indicate contactor K and turn-off, be in the time-delay illumination phase this moment, simultaneously, by variable resistor R 5To capacitor C 2Capacitor C is worked as in charging 2The voltage at two ends is enough high, causes triode BG 2During saturation conduction, the voltage between collector electrode C and the emitter e is low, and controllable silicon SCR is ended because of losing triggering level, and electric light extinguishes.At this moment, light-emitting diode LD 1Both end voltage is very high, and luminous intensity is bigger, in the dark in order to the place, position of indicator cock.By regulating variable resistor R 5The size size that can regulate delay time.
The utility model is not limited to the foregoing description, and good result can be implemented and have to the utility model content all.

Claims (3)

1, a kind of family expenses time-delay light-off switch comprises K switch, it is characterized in that also comprising rectification circuit that is connected in parallel on K switch two ends (1), (2) and the time delayed turn-off ghyristor circuit that connects with 2 outputs of rectification circuit (3), (4);
Described rectification circuit is by diode D 1, D 2, D 3The half-wave rectifying circuit of forming;
Described time delayed turn-off ghyristor circuit is by triode BG 1, controllable silicon SCR, diode D 8, D 9, D 10, capacitor C 1, resistance R 1, R 2, R 3Form; Diode D 9Anode meets rectification circuit output plus terminal (3), the negative electrode diode D through the forward serial connection 10, controllable silicon SCR meets rectification circuit output negative terminal (4), triode BG 1Emitter e meet rectification circuit output negative terminal (4), collector electrode c through resistance R 1Meet rectification circuit output plus terminal (3), the diode D of base stage b through oppositely being connected in series 8, in turn the serial connection resistance R 3And R 2Connect rectification circuit road output plus terminal (3), controllable silicon SCR gate pole G meets triode BG 1Collector electrode c, capacitor C 1Positive terminating resistor R 2With R 3Interface, negative terminal connect rectification circuit output negative terminal (4).
2, by the described family expenses time-delay of claim 1 light-off switch, it is characterized in that described rectification circuit can also be by diode D 4, D 5, D 6, D 7The rectifier bridge of forming.
3, by claim 1 or 2 described family expenses time-delay light-off switches, it is characterized in that described time delayed turn-off ghyristor circuit can also be by triode BG 2, controllable silicon SCR, diode D 9, D 10, light-emitting diode LD 1, capacitor C 2, resistance R 4, R 6, R 7, variable resistor R 5Form; Diode D 9Anode meets rectification circuit output plus terminal (3), the negative electrode diode D through the forward serial connection 10, controllable silicon SCR meets rectification circuit output negative terminal (4), triode BG 2Emitter e meet rectification circuit output negative terminal (4), collector electrode C through resistance R 4Connect rectification circuit output plus terminal (3), the resistance R of base stage b through being connected in series in turn 7, variable resistor R 5, resistance R 6Connect rectification circuit output plus terminal (3), controllable silicon SCR gate pole G meets triode BG 2Collector electrode C, capacitor C 2Positive termination variable resistor R 5With resistance R 7Interface, negative terminal meet rectification circuit output negative terminal (4), light-emitting diode LD 1Anode connecting resistance R 6With variable resistor R 5Interface, negative electrode connect rectification circuit output negative terminal (4).
CN 94236496 1994-05-12 1994-05-12 Household delay lamp turn-off switch Expired - Fee Related CN2190845Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 94236496 CN2190845Y (en) 1994-05-12 1994-05-12 Household delay lamp turn-off switch

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Application Number Priority Date Filing Date Title
CN 94236496 CN2190845Y (en) 1994-05-12 1994-05-12 Household delay lamp turn-off switch

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CN2190845Y true CN2190845Y (en) 1995-03-01

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CN 94236496 Expired - Fee Related CN2190845Y (en) 1994-05-12 1994-05-12 Household delay lamp turn-off switch

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102045918A (en) * 2009-10-22 2011-05-04 鸿富锦精密工业（深圳）有限公司 Lighting delay circuit
CN103096582A (en) * 2012-12-07 2013-05-08 刘胜泉 Light emitting diode (LED) indicating lamp with single connection switch

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102045918A (en) * 2009-10-22 2011-05-04 鸿富锦精密工业（深圳）有限公司 Lighting delay circuit
CN102045918B (en) * 2009-10-22 2014-11-19 鸿富锦精密工业（深圳）有限公司 Lighting delay circuit
CN103096582A (en) * 2012-12-07 2013-05-08 刘胜泉 Light emitting diode (LED) indicating lamp with single connection switch

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