CN103795244A - Voltage stabilizing circuit for electronic time-delay switch - Google Patents
Voltage stabilizing circuit for electronic time-delay switch Download PDFInfo
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- CN103795244A CN103795244A CN201410030604.0A CN201410030604A CN103795244A CN 103795244 A CN103795244 A CN 103795244A CN 201410030604 A CN201410030604 A CN 201410030604A CN 103795244 A CN103795244 A CN 103795244A
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- capacitor
- supply voltage
- triode
- voltage stabilizing
- delay switch
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Abstract
The invention discloses a voltage stabilizing circuit for an electronic time-delay switch. The circuit is characterized by comprising a supply voltage VDD and a supply voltage VCC, a triode Q1 is arranged between the supply voltage VDD and the supply voltage VCC, the collector of the triode Q1 is connected with the supply voltage VDD, the emitter of the triode Q1 is connected with the supply voltage VCC, a voltage-stabilizing diode Z1 is connected to the base of the triode Q1, a dropping resistor R1 is connected to the triode Q1 in parallel, and a filter capacitor C8 and a filter capacitor C9 are arranged between the emitter of the triode Q1 and the supply voltage VCC. The voltage stabilizing circuit for the electronic time-delay switch aims to overcome the defects of the prior art and is simple in structure, low in cost and good in voltage-stabilizing effect.
Description
Technical field
The present invention relates to a kind of voltage stabilizing circuit for electronic time-delay switch.
Background technology
Human body sensing time delay, sound and light controlled delay switch, touch time delay, radar that employing relay is produced are responded to the delay switchs such as time delay, plug-in card power taking delay switch and are generally adopted resistance-capacitance depressurization: comprise inductance, electric capacity, below unite referred to as resistance-capacitance depressurization, reduction voltage circuit forms power supply circuits.The advantage of capacitance-resistance voltage reduction circuit is with low cost, but output voltage along with the fluctuation of line voltage, the variation of load is larger.Conventionally adopt the relay of DC12V, DC24V or 48V as switching device in order to reduce volume.When relay adhesive, load weight, when relay discharges, load is light, and change in voltage is larger.
So the voltage stabilizing circuit of existing electronic time-delay switch awaits further perfect.
Summary of the invention
The object of the invention is in order to overcome weak point of the prior art, provide a kind of simple in structure, cost is low, and voltage regulation result is good, for the voltage stabilizing circuit of electronic time-delay switch.
In order to achieve the above object, the present invention adopts following scheme:
A kind of voltage stabilizing circuit for electronic time-delay switch, it is characterized in that: include supply voltage VDD and supply voltage VCC, between described supply voltage VDD and supply voltage VCC, be provided with triode Q1, the collector electrode of described triode Q1 is connected with supply voltage VDD, the emitter of described triode Q1 is connected with supply voltage VCC, in the base stage of described triode Q1, be connected with voltage stabilizing didoe Z1, on triode Q1 and be connected to dropping resistor R1, between the emitter of described triode Q1 and supply voltage VCC, be provided with filter capacitor C8 and filter capacitor C9.
A kind of voltage stabilizing circuit for electronic time-delay switch as above, is characterized in that being provided with filter capacitor C5 and filter capacitor C6 between described supply voltage VDD and the collector electrode of triode Q1.
A kind of voltage stabilizing circuit for electronic time-delay switch as above, is characterized in that on described voltage stabilizing didoe Z1 and is connected to capacitor C 7.
A kind of voltage stabilizing circuit for electronic time-delay switch as above, is characterized in that being provided with on described supply voltage vdd terminal the one-level π type filter circuit that can eliminate High-frequency Interference harmonic wave.
A kind of voltage stabilizing circuit for electronic time-delay switch as above, it is characterized in that described one-level π type filter circuit includes the inductance L 2 being serially connected between supply voltage VDD and the collector electrode of triode Q1, on described inductance L 2 one end and be connected to capacitor C 3 and capacitor C 4, shunt-wound capacitance C5 and capacitor C 6 on described inductance L 2 other ends.
A kind of voltage stabilizing circuit for electronic time-delay switch as above, is characterized in that being provided with between described one-level π type filter circuit and supply voltage VDD and can further eliminate the secondary π type filter circuit that disturbs harmonic wave power conditioner.
A kind of voltage stabilizing circuit for electronic time-delay switch as above, it is characterized in that described secondary π type filter circuit includes the inductance L 1 being serially connected in inductance L 2, on described inductance L 1 one end and be connected to capacitor C 1 and capacitor C 2, described capacitor C 3 and capacitor C 4 are attempted by inductance L 1 other end.
In sum, the present invention with respect to its beneficial effect of prior art is:
The present invention is simple in structure, and the adjustable range of the output voltage of voltage-reg-ulator tube is wide, and output voltage stabilization is with low cost.Be applicable to human body sensing delay switch, sound and light controlled delay switch, touch time delay, radar induction delay switch, plug-in card power taking delay switch.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the first execution mode of the present invention;
Fig. 2 is the schematic diagram of the second execution mode of the present invention;
Fig. 3 is the schematic diagram of the third execution mode of the present invention;
Fig. 4 is the schematic diagram of the 4th kind of execution mode of the present invention.
Embodiment
Below in conjunction with accompanying drawing explanation and embodiment, the invention will be further described:
The first execution mode of the present invention as shown in Figure 1, a kind of voltage stabilizing circuit for electronic time-delay switch, include supply voltage VDD and supply voltage VCC, between described supply voltage VDD and supply voltage VCC, be provided with triode Q1, the collector electrode of described triode Q1 is connected with supply voltage VDD, the emitter of described triode Q1 is connected with supply voltage VCC, in the base stage of described triode Q1, be connected with voltage stabilizing didoe Z1, on triode Q1 and be connected to dropping resistor R1, between the emitter of described triode Q1 and supply voltage VCC, be provided with filter capacitor C8 and filter capacitor C9.
In the present invention, between described supply voltage VDD and the collector electrode of triode Q1, be provided with filter capacitor C5 and filter capacitor C6.
In the present embodiment, resistance R 1, voltage stabilizing didoe Z1 and triode Q1 form voltage stabilizing circuit, and the voltage stabilizing value of voltage-stabiliser tube Z1 determines the output voltage of power adjustment pipe, and the voltage stabilizing value of voltage-stabiliser tube deducts the pressure drop of a PN joint, and the pressure drop of silicone tube is 0.6V.The adjustable range of the output voltage of voltage-reg-ulator tube is wide, and output voltage stabilization is with low cost.
As shown in Figure 2, the second execution mode of the present invention, on the circuit base shown in Fig. 1 on described voltage stabilizing didoe Z1 and be connected to capacitor C 7.In the present embodiment, adopt logic chip to produce for delay switch, can only adopt voltage stabilizing circuit.In the present embodiment, resistance R 1, voltage stabilizing didoe Z1, capacitor C 7 and triode Q1 form voltage stabilizing circuit, and the voltage stabilizing value of voltage-stabiliser tube Z1 determines the output voltage of power adjustment pipe, and the voltage stabilizing value of voltage-stabiliser tube deducts the pressure drop of a PN joint, and the pressure drop of silicone tube is 0.6V.The adjustable range of the output voltage of voltage-reg-ulator tube is wide, and output voltage stabilization is with low cost.
As shown in Figure 3, the third execution mode of the present invention except as the circuit structure of Fig. 2, is provided with the one-level π type filter circuit that can eliminate High-frequency Interference harmonic wave on described supply voltage vdd terminal in the present invention.Wherein said one-level π type filter circuit 1 includes the inductance L 2 being serially connected between supply voltage VDD and the collector electrode of triode Q1, on described inductance L 2 one end and be connected to capacitor C 3 and capacitor C 4, shunt-wound capacitance C5 and capacitor C 6 on described inductance L 2 other ends.
In the present embodiment, for radar delay switch and employing, acousto-optic control, the touching delay-action switch etc. of the chip production to harmonic components sensitivity in power supply are more responsive to harmonic wave, harmonic components in power supply, causes delay switch false triggering, causes delay switch dysfunction or crash adopting one-level pi type filter.
In the present invention, capacitor C 3, capacitor C 4, inductance L 2 and capacitor C 5, capacitor C 6 form π type filter circuit, further eliminate and disturb harmonic wave, power conditioner.Resistance R 1, voltage stabilizing didoe Z1, capacitor C 7 and triode Q1 form voltage stabilizing circuit, and the voltage stabilizing value of voltage-stabiliser tube Z1 determines the output voltage of power adjustment pipe, the pressure drop of voltage stabilizing value-mono-PN of voltage-stabiliser tube, and the pressure drop of silicone tube is 0.6V.The adjustable range of the output voltage of voltage-reg-ulator tube is wide, and output voltage stabilization is with low cost.
As shown in Figure 4, the 4th kind of execution mode of the present invention circuit structure, is provided with in the present invention and can further eliminates the secondary π type filter circuit 2 that disturbs harmonic wave power conditioner in comprising Fig. 3 between described one-level π type filter circuit 1 and supply voltage VDD.Wherein said secondary π type filter circuit 2 includes the inductance L 1 being serially connected in inductance L 2, and on described inductance L 1 one end and be connected to capacitor C 1 and capacitor C 2, described capacitor C 3 and capacitor C 4 are attempted by inductance L 1 other end.
The present embodiment is responded to delay switch for radar, and the harmonic components in power supply easily causes false triggering, adopts secondary pi type filter.In the present invention, capacitor C 1, capacitor C 2, inductance L 1 and capacitor C 3, capacitor C 4 form π type filter circuit, eliminate High-frequency Interference harmonic wave.Capacitor C 3, capacitor C 4, inductance L 2 and capacitor C 5, capacitor C 6 form π type filter circuit, further eliminate and disturb harmonic wave, power conditioner.Resistance R 1, voltage stabilizing didoe Z1, capacitor C 7 and triode Q1 form voltage stabilizing circuit, and the voltage stabilizing value of voltage-stabiliser tube Z1 determines the output voltage of power adjustment pipe, the pressure drop of voltage stabilizing value-mono-PN of voltage-stabiliser tube, and the pressure drop of silicone tube is 0.6V.The adjustable range of the output voltage of voltage-reg-ulator tube is wide, and output voltage stabilization is with low cost.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (7)
1. the voltage stabilizing circuit for electronic time-delay switch, it is characterized in that: include supply voltage VDD and supply voltage VCC, between described supply voltage VDD and supply voltage VCC, be provided with triode Q1, the collector electrode of described triode Q1 is connected with supply voltage VDD, the emitter of described triode Q1 is connected with supply voltage VCC, in the base stage of described triode Q1, be connected with voltage stabilizing didoe Z1, on triode Q1 and be connected to dropping resistor R1, between the emitter of described triode Q1 and supply voltage VCC, be provided with filter capacitor C8 and filter capacitor C9.
2. a kind of voltage stabilizing circuit for electronic time-delay switch according to claim 1, is characterized in that being provided with filter capacitor C5 and filter capacitor C6 between described supply voltage VDD and the collector electrode of triode Q1.
3. a kind of voltage stabilizing circuit for electronic time-delay switch according to claim 2, is characterized in that on described voltage stabilizing didoe Z1 and is connected to capacitor C 7.
4. a kind of voltage stabilizing circuit for electronic time-delay switch according to claim 3, is characterized in that being provided with on described supply voltage vdd terminal the one-level π type filter circuit (1) that can eliminate High-frequency Interference harmonic wave.
5. a kind of voltage stabilizing circuit for electronic time-delay switch according to claim 4, it is characterized in that described one-level π type filter circuit (1) includes the inductance L 2 being serially connected between supply voltage VDD and the collector electrode of triode Q1, on described inductance L 2 one end and be connected to capacitor C 3 and capacitor C 4, shunt-wound capacitance C5 and capacitor C 6 on described inductance L 2 other ends.
6. a kind of voltage stabilizing circuit for electronic time-delay switch according to claim 5, is characterized in that being provided with between described one-level π type filter circuit (1) and supply voltage VDD and can further eliminate the secondary π type filter circuit (2) that disturbs harmonic wave power conditioner.
7. a kind of voltage stabilizing circuit for electronic time-delay switch according to claim 6, it is characterized in that described secondary π type filter circuit (2) includes the inductance L 1 being serially connected in inductance L 2, on described inductance L 1 one end and be connected to capacitor C 1 and capacitor C 2, described capacitor C 3 and capacitor C 4 are attempted by inductance L 1 other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410030604.0A CN103795244A (en) | 2014-01-22 | 2014-01-22 | Voltage stabilizing circuit for electronic time-delay switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410030604.0A CN103795244A (en) | 2014-01-22 | 2014-01-22 | Voltage stabilizing circuit for electronic time-delay switch |
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| CN103795244A true CN103795244A (en) | 2014-05-14 |
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| CN201410030604.0A Pending CN103795244A (en) | 2014-01-22 | 2014-01-22 | Voltage stabilizing circuit for electronic time-delay switch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159874A (en) * | 2016-07-08 | 2016-11-23 | 国网冀北电力有限公司秦皇岛供电公司 | Power-off protecting circuit |
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| US6400098B1 (en) * | 2001-08-21 | 2002-06-04 | Sonlex Limited | Compact fluorescent lamp dimmers |
| CN201114906Y (en) * | 2007-03-23 | 2008-09-10 | 深圳市纯英新时代科技有限公司 | Multi-purpose crystal tube controller circuit and controllable lighting circuit |
| CN101861018A (en) * | 2010-05-05 | 2010-10-13 | 金杲易光电科技(深圳)有限公司 | LED switch power supply capable of dimming |
| CN103338562A (en) * | 2013-07-04 | 2013-10-02 | 刘胜泉 | Driver integrating electronic time delay switch and LED constant current source |
| CN203747651U (en) * | 2014-01-22 | 2014-07-30 | 刘胜泉 | Novel voltage stabilizing circuit |
-
2014
- 2014-01-22 CN CN201410030604.0A patent/CN103795244A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6400098B1 (en) * | 2001-08-21 | 2002-06-04 | Sonlex Limited | Compact fluorescent lamp dimmers |
| CN201114906Y (en) * | 2007-03-23 | 2008-09-10 | 深圳市纯英新时代科技有限公司 | Multi-purpose crystal tube controller circuit and controllable lighting circuit |
| CN101861018A (en) * | 2010-05-05 | 2010-10-13 | 金杲易光电科技(深圳)有限公司 | LED switch power supply capable of dimming |
| CN103338562A (en) * | 2013-07-04 | 2013-10-02 | 刘胜泉 | Driver integrating electronic time delay switch and LED constant current source |
| CN203747651U (en) * | 2014-01-22 | 2014-07-30 | 刘胜泉 | Novel voltage stabilizing circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159874A (en) * | 2016-07-08 | 2016-11-23 | 国网冀北电力有限公司秦皇岛供电公司 | Power-off protecting circuit |
| CN106159874B (en) * | 2016-07-08 | 2019-05-21 | 国网冀北电力有限公司秦皇岛供电公司 | Power-off protecting circuit |
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Application publication date: 20140514 |