CN201577075U - Circuit provided with energy-saving starting device - Google Patents
Circuit provided with energy-saving starting device Download PDFInfo
- Publication number
- CN201577075U CN201577075U CN2009202615630U CN200920261563U CN201577075U CN 201577075 U CN201577075 U CN 201577075U CN 2009202615630 U CN2009202615630 U CN 2009202615630U CN 200920261563 U CN200920261563 U CN 200920261563U CN 201577075 U CN201577075 U CN 201577075U
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Abstract
The utility model discloses a circuit provided with an energy-saving starting device, which is a one-button power on/off control circuit. A switching circuit formed by three steps of triodes is adopted to achieve power source output control; and a bleeder circuit is used to provide the base voltage required by triode conduction, so as to correct the deficiency of the prior circuit, consume no electric energy in a switch off state, and really realize zero-current standby. The switching circuit is very suitable for fashionable electronic products which require low energy consumption, are controlled by CPU, and can be switched by a push button to realize power on/off.
Description
Technical field
The utility model belongs to electronic technology field, relates to a kind of circuit with energy-saving starting drive.
Background technology
General bistable circuit, though a button can switch two states " opening " or " pass " as circuit, but no matter this circuit is all can be always in power consumption at which state, reason is because power supply provides power supply must for the part of devices in the circuit, therefore requires the product of power saving generally can not use it as mains switch.In order to reach the power saving requirement of some product, be necessary to design a kind of brand-new circuit.
The utility model content
The utility model wants the technical solution problem to provide a kind of circuit with energy-saving starting drive, this circuit can be when switch cuts out power saving effect obvious.
The utility model is to solve the problems of the technologies described above the technical scheme that is adopted to be:
A kind of circuit with energy-saving starting drive, it is characterized in that, after being connected in series successively, first resistance, second resistance, switch, the 3rd resistance, the 4th resistance and the 5th resistance is connected on the positive pole and negative pole of power supply, wherein first resistance is connected with the positive pole of power supply, and the negative pole of the 5th resistance and power supply joins; Between the negative pole of the tie point of the 3rd resistance and the 4th resistance and power supply, be provided with an electric capacity; First triode is the PNP pipe, and the e utmost point of first triode connects the positive pole of power supply, and the b utmost point of first triode connects the tie point of second resistance and switch; The c utmost point of first triode connects the tie point of the 5th resistance and the 4th resistance, the c utmost point of a termination first triode of the 6th resistance, and the other end connects the negative pole of power supply by the 7th resistance;
Second triode is the NPN pipe, and the e utmost point of second triode connects the negative pole of power supply, and the b utmost point of second triode connects the tie point of the 7th resistance and the 6th resistance; The c utmost point of second triode connects the negative pole of diode, and the positive pole of diode connects the tie point of first resistance and second resistance;
The 3rd triode is the PNP pipe, and the e utmost point of the 3rd triode connects the positive pole of power supply, and the c of the 3rd triode is the positive supply output of this circuit very; The negative supply output of this circuit is the negative pole of power supply; The b utmost point of the 3rd triode connects the c utmost point of second triode by the 8th resistance.
Described first resistance, second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance and the 8th resistance are respectively 330k Ω, 220k Ω, 4.7k Ω, 1M Ω, 2.2k Ω, 47k Ω, 47k Ω and 2k Ω.
This circuit also is provided with other additional devices such as electric capacity etc., specifically sees Fig. 1.
The beneficial effects of the utility model:
The singly-bound switching on and shutting down control circuit of this circuit, adopt three grades of switching circuits of forming by triode to realize the output control of power supply, provide conducting desired base voltage by bleeder circuit to triode, can overcome the shortcoming of available circuit, under "off" state, can consumed power, really realize the zero current standby.This switching circuit is fit to require power consumption little very much, does not have CPU control again, and requirement can be switched the fashion electronic product of realizing the mains switch machine with button again.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Embodiment 1:
As shown in Figure 1, a kind of circuit with energy-saving starting drive, it is characterized in that, after being connected in series successively, first resistance, second resistance, switch, the 3rd resistance, the 4th resistance and the 5th resistance is connected on the positive pole and negative pole of power supply, wherein first resistance is connected with the positive pole of power supply, and the negative pole of the 5th resistance and power supply joins; First triode is the PNP pipe, and the e utmost point of first triode connects the positive pole of power supply, and the b utmost point of first triode connects the tie point of second resistance and switch; The c utmost point of first triode connects the tie point of the 5th resistance and the 4th resistance, the c utmost point of a termination first triode of the 6th resistance, and the other end connects the negative pole of power supply by the 7th resistance;
Second triode is the NPN pipe, and the e utmost point of second triode connects the negative pole of power supply, and the b utmost point of second triode connects the tie point of the 7th resistance and the 6th resistance; The c utmost point of second triode connects the negative pole of diode, and the positive pole of diode connects the tie point of first resistance and second resistance;
The 3rd triode is the PNP pipe, and the e utmost point of the 3rd triode connects the positive pole of power supply, and the c of the 3rd triode is the positive supply output of this circuit very; The negative supply output of this circuit is the negative pole of power supply; The b utmost point of the 3rd triode connects the c utmost point of second triode by the 8th resistance.
R1-R8 in described first resistance, second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance and the 8th resistance difference corresponding diagram, its resistance is respectively 330k Ω, 220k Ω, 4.7k Ω, 1M Ω, 2.2k Ω, 47k Ω, 47k Ω and 2k Ω.C2 in the described electric capacity corresponding diagram, capacitance parameter are 104.
Q1-Q3 in the difference corresponding diagram of described first triode, second triode and the 3rd triode, concrete model as shown.
This circuit also is provided with other additional devices such as electric capacity etc., is conventional design, and its annexation and specification are specifically seen Fig. 1.
The operation principle and the course of work of this circuit are as follows:
Suppose switch k1 initial condition for closing, then this moment, three triodes all ended because of b utmost point no current, and this moment, circuit was not outwards exported electric energy; Before pressing switch k1, the C2 two ends do not have electric charge, so the paired pulses electric current is Low ESR, when pressing switch k1, form electric current by Q1 base stage and R3 and C2 moment, the Q1 conducting produces voltage on the collector electrode, just have voltage after the Q1 conducting on the R7 and make the Q2 conducting, after the Q2 conducting, voltage is loaded into again on the base stage of Q3 between the CE of Q2, causes the Q3 conducting, therefore, this moment, this circuit was outwards exported electric energy by Q3.After circuit enters operating state, the bleeder circuit that R1-R4 forms charges to C2, and the voltage at C2 two ends can be higher about 0.4 volt than the base stage of Q1, when pressing K1 once more, voltage on the C2 causes Q1 base stage operating current moment to end by R3, and entire circuit is returned to the state of initial pass.
Claims (2)
1. circuit with energy-saving starting drive, it is characterized in that, after being connected in series successively, first resistance, second resistance, switch, the 3rd resistance, the 4th resistance and the 5th resistance is connected on the positive pole and negative pole of power supply, wherein first resistance is connected with the positive pole of power supply, and the negative pole of the 5th resistance and power supply joins; Between the negative pole of the tie point of the 3rd resistance and the 4th resistance and power supply, be provided with an electric capacity; First triode is the PNP pipe, and the e utmost point of first triode connects the positive pole of power supply, and the b utmost point of first triode connects the tie point of second resistance and switch; The c utmost point of first triode connects the tie point of the 5th resistance and the 4th resistance, the c utmost point of a termination first triode of the 6th resistance, and the other end connects the negative pole of power supply by the 7th resistance;
Second triode is the NPN pipe, and the e utmost point of second triode connects the negative pole of power supply, and the b utmost point of second triode connects the tie point of the 7th resistance and the 6th resistance; The c utmost point of second triode connects the negative pole of diode, and the positive pole of diode connects the tie point of first resistance and second resistance;
The 3rd triode is the PNP pipe, and the e utmost point of the 3rd triode connects the positive pole of power supply, and the c of the 3rd triode is the positive supply output of this circuit very; The negative supply output of this circuit is the negative pole of power supply; The b utmost point of the 3rd triode connects the c utmost point of second triode by the 8th resistance.
2. the circuit with energy-saving starting drive according to claim 1, it is characterized in that described first resistance, second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance and the 8th resistance are respectively 330k Ω, 220k Ω, 4.7k Ω, 1M Ω, 2.2k Ω, 47k Ω, 47k Ω and 2k Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202615630U CN201577075U (en) | 2009-12-16 | 2009-12-16 | Circuit provided with energy-saving starting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202615630U CN201577075U (en) | 2009-12-16 | 2009-12-16 | Circuit provided with energy-saving starting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201577075U true CN201577075U (en) | 2010-09-08 |
Family
ID=42696946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202615630U Expired - Fee Related CN201577075U (en) | 2009-12-16 | 2009-12-16 | Circuit provided with energy-saving starting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201577075U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183898A (en) * | 2011-02-25 | 2011-09-14 | 深圳Tcl新技术有限公司 | Power switch circuit for stereoscopic watching device and related device |
| CN102332898A (en) * | 2011-08-17 | 2012-01-25 | 深圳市英唐数码电器有限公司 | Switching circuit with zero standby power consumption |
| CN102684170A (en) * | 2012-04-26 | 2012-09-19 | 深圳众为兴技术股份有限公司 | Power switch automatic turn-off control device |
| CN106292358A (en) * | 2015-06-29 | 2017-01-04 | 无锡小天鹅股份有限公司 | Washing machine and for its a key switch machine control circuit |
-
2009
- 2009-12-16 CN CN2009202615630U patent/CN201577075U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183898A (en) * | 2011-02-25 | 2011-09-14 | 深圳Tcl新技术有限公司 | Power switch circuit for stereoscopic watching device and related device |
| CN102332898A (en) * | 2011-08-17 | 2012-01-25 | 深圳市英唐数码电器有限公司 | Switching circuit with zero standby power consumption |
| CN102332898B (en) * | 2011-08-17 | 2013-05-01 | 深圳市英唐数码电器有限公司 | Switching circuit with zero standby power consumption |
| CN102684170A (en) * | 2012-04-26 | 2012-09-19 | 深圳众为兴技术股份有限公司 | Power switch automatic turn-off control device |
| CN106292358A (en) * | 2015-06-29 | 2017-01-04 | 无锡小天鹅股份有限公司 | Washing machine and for its a key switch machine control circuit |
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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: 20100908 Termination date: 20121216 |