CN202794929U - Circuit capable of zero power consumption in a standby state - Google Patents
Circuit capable of zero power consumption in a standby state Download PDFInfo
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- CN202794929U CN202794929U CN 201220409326 CN201220409326U CN202794929U CN 202794929 U CN202794929 U CN 202794929U CN 201220409326 CN201220409326 CN 201220409326 CN 201220409326 U CN201220409326 U CN 201220409326U CN 202794929 U CN202794929 U CN 202794929U
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Abstract
The utility model belongs to the technical field of control circuits and especially relates to a circuit capable of zero power consumption in a standby state. The circuit comprises a starting circuit, a standby detecting circuit, a voltage comparing power-supplying circuit and a feedback circuit. The output end of the starting circuit is coupled to the input end of the standby detecting circuit. The output end of the standby detecting circuit is coupled to the input end of the voltage comparing power-supplying circuit. The output end of the voltage comparing power-supplying circuit is coupled to the input end of the feedback circuit. The output end of the feedback circuit is coupled to the input end of the starting circuit. Compared with the prior art, the circuit can stop an input through the reasonable circuit design in a timely manner when a home appliance is removed or a charging process is finished. The input power is zero and the consumed electric energy is zero. Zero power consumption is achieved during a standby state. The aim of energy conservation and environment protection is achieved. Furthermore, the circuit provided by the utility model has a simple structure and is easy to realize. The circuit can be applied in a large scale.
Description
Technical field
The utility model belongs to the control circuit technical field, relates in particular to a kind of Zero consumption standby circuit.
Background technology
The standby button normal operation micro-control unit (MCU) of common household electrical appliance is processed, and in order to reach the requirement of low-power consumption, mostly can allow MCU enter sleep or stop mode.Under these patterns, MCU still can consume tens microamperes electric current, thereby causes the waste of electric energy.
And in recent years, people are more and more higher to requirement green, energy-conservation and environmental protection, and above-mentioned standby button just can not satisfy people's demand.Therefore, necessaryly provide a kind of stand-by circuit that can realize zero-power, so that when household electrical appliance were in holding state, the electric energy of its consumption was zero, thereby reach the purpose of energy-conserving and environment-protective.
The utility model content
The purpose of this utility model is: provide a kind of Zero consumption standby circuit for the deficiencies in the prior art, so that when household electrical appliance were in holding state, the electric energy of its consumption was zero, thereby reach the purpose of energy-conserving and environment-protective.Entering the deficiency that still can consume electric energy under sleep or the stop mode to overcome stand-by circuit of the prior art.
In order to achieve the above object, the utility model adopts following technical scheme: a kind of Zero consumption standby circuit, comprise that start-up circuit, standby testing circuit, voltage ratio are than feed circuit and feedback circuit, the output terminal of described start-up circuit is coupled to the input end of described standby testing circuit, the output terminal of described standby testing circuit is coupled to described voltage ratio than the input end of feed circuit, described voltage ratio is coupled to the input end of described feedback circuit than the output terminal of feed circuit, and the output terminal of described feedback circuit is coupled to the input end of described start-up circuit.
A kind of improvement as the utility model Zero consumption standby circuit, described start-up circuit comprises a little tactile switch S w1, the first resistance R 1 and relay R e, described point touches switch S w1 and described the first resistance R 1 is connected in series, and described relay R e and described point touch switch S w1 and described the first resistance R 1 all is connected in parallel.
A kind of improvement as the utility model Zero consumption standby circuit, described standby testing circuit comprises transformer T, the second resistance R 2, the first capacitor C 1, the first diode D1, the first power supply EC1, the first telefault L1, second source EC2, the 4th resistance R 4, the 3rd resistance R 3, the second capacitor C 2, LED and the 6th resistance R 6, the input end of described transformer T is connected with relay R e with described the first resistance R 1 respectively, one end of the output terminal of described transformer T connects the positive pole of the first power supply EC1 through the second resistance R 2 and the first capacitor C 1, and the other end of the output terminal of described transformer T connects respectively the negative pole of the first power supply EC1 and the negative pole of second source EC1; The negative pole of described the first diode D1 connects an end of the output terminal of transformer T, positive pole connects the positive pole of the first power supply EC1, the positive pole of a termination the first power supply EC1 of the first telefault L1, the other end is positive pole, the 4th resistance R 4, the second capacitor C 2 and the 3rd resistance R 3 of second source EC2 respectively; Described the 3rd resistance R 3 is connected in series with LED, and an end of described the 6th resistance R 6 is connected with LED, and the other end is connected than feed circuit with voltage ratio.
As a kind of improvement of the utility model Zero consumption standby circuit, be connected with wave filter between described start-up circuit and the described transformer T.
A kind of improvement as the utility model Zero consumption standby circuit, described voltage ratio comprises the 7th resistance R 7, the first comparer U1, the 8th resistance R 8, the 9th resistance R 9, voltage stabilizing diode ZD1 and the 5th capacitor C 5 than feed circuit, the two ends of described the 7th resistance R 7 respectively with the 6th resistance R 6 be connected and be connected the positive pole of comparer U1 and connect; The negative pole of described the first comparer U1 is by the 9th resistance R 9 ground connection, and base stage is connected with the 5th capacitor C 5 with voltage stabilizing diode ZD1 respectively by the 8th resistance R 8.
A kind of improvement as the utility model Zero consumption standby circuit, described feedback circuit comprises micro-control unit MCU, the 3rd diode D3, the 12 resistance R 12, the first triode Q1, the first transistor U1A and the 11 resistance R 11, the positive pole of the 3rd diode D3 is connected with negative pole with the 12 resistance R 12 and is connected with micro-control unit MCU, the 12 resistance R 12 is connected with the base stage of the first triode Q1, and the collector of the first triode Q1 is by the first transistor U1A and the 11 resistance R 11 output voltages input end to described start-up circuit.
Use comprises that the adapter of circuit of the present utility model or charger are powered to household electrical appliance or when charging, only need to touch and touch switch S w1, power supply output is namely arranged, and when household electrical appliance being removed or charging when finishing, the pressure drop that detects resistance (i.e. the 6th resistance R 6) diminishes thereupon, after this pressure drop signal amplifies through the first comparer U1, be input to micro-control unit MCU, when reaching the setting value of micro-control unit MCU, micro-control unit MCU exports high level, the first transistor U1A starts, and feed back to start-up circuit, and this moment, relay R e namely was activated, and input then disconnects, this moment, power input was 0, thereby made standby reach zero-power.
When needs charge again, touch a little that tactile switch S w1 gets final product, and if in setting-up time, do not have connection device, input will be disconnected.
With respect to prior art, the utility model is by rational circuit design, so that when removing household electrical appliance or charging and finish, can disconnect in time input, this moment, power input was 0, and the electric energy of consumption is zero, thereby make standby reach zero-power, reach the purpose of energy-conserving and environment-protective.In addition, the utility model is simple in structure, be easy to realize, but large-scale application.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model and useful technique effect thereof are elaborated.
As shown in Figure 1, a kind of Zero consumption standby circuit, comprise that start-up circuit 1, standby testing circuit 2, voltage ratio are than feed circuit 3 and feedback circuit 4, the output terminal of start-up circuit 1 is coupled to the input end of standby testing circuit 2, the output terminal of standby testing circuit 2 is coupled to voltage ratio than the input end of feed circuit 3, voltage ratio is coupled to the input end of feedback circuit 4 than the output terminal of feed circuit 3, and the output terminal of feedback circuit 4 is coupled to the input end of start-up circuit 1.
Wherein start-up circuit 1 comprises a little tactile switch S w1, the first resistance R 1 and relay R e, and point touches switch S w1 and the first resistance R 1 is connected in series, and the tactile switch S w1 of relay R e and point and the first resistance R 1 all are connected in parallel.Be provided with the rectifier filer 6 that rectifier and wave filter form between start-up circuit 1 and live wire L and the zero line N.
Standby testing circuit 2 comprises transformer T, the second resistance R 2, the first capacitor C 1, the first diode D1, the first power supply EC1, the first telefault L1, second source EC2, the 4th resistance R 4, the 3rd resistance R 3, the second capacitor C 2, LED and the 6th resistance R 6, the input end of transformer T is connected with relay R e with the first resistance R 1 respectively, one end of the output terminal of transformer T connects the positive pole of the first power supply EC1 through the second resistance R 2 and the first capacitor C 1, and the other end of the output terminal of transformer T connects respectively the negative pole of the first power supply EC1 and the negative pole of second source EC1; The negative pole of the first diode D1 connects an end of the output terminal of transformer T, positive pole connects the positive pole of the first power supply EC1, the positive pole of a termination the first power supply EC1 of the first telefault L1, the other end is positive pole, the 4th resistance R 4, the second capacitor C 2 and the 3rd resistance R 3 of second source EC2 respectively; The 3rd resistance R 3 is connected in series with LED, and an end of the 6th resistance R 6 is connected with LED, and the other end is connected than feed circuit 3 with voltage ratio.
Be connected with wave filter 5 between start-up circuit 1 and the transformer T.One end of the input end of transformer T is connected with wave filter 5.The other end of the input end of transformer T is by second switch Sw2 ground connection.
The two ends that voltage ratio comprises the 7th resistance R 7, the first comparer U1, the 8th resistance R 8, the 9th resistance R 9, voltage stabilizing diode ZD1 and the 5th capacitor C 5, the seven resistance R 7 than feed circuit 3 respectively with the 6th resistance R 6 be connected and be connected the positive pole of comparer U1 and connect; The negative pole of the first comparer U1 is by the 9th resistance R 9 ground connection, and base stage is connected with the 5th capacitor C 5 with voltage stabilizing diode ZD1 respectively by the 8th resistance R 8.
Feedback circuit 4 comprises micro-control unit MCU, the 3rd diode D3, the 12 resistance R 12, the first triode Q1, the first transistor U1A and the 11 resistance R 11, the positive pole of the 3rd diode D3 is connected with negative pole, the 12 resistance R 12 is connected with micro-control unit MCU, the 12 resistance R 12 is connected with the base stage of the first triode Q1, and the collector of the first triode Q1 is by the first transistor U1A and the 11 resistance R 11 output voltages.
Principle of work of the present utility model is: use the adapter comprise circuit of the present utility model or charger household electrical appliance to be powered or when charging, only need to touch and touch switch S w1, power supply output is namely arranged, and when household electrical appliance being removed or charging when finishing, the pressure drop that detects resistance (i.e. the 6th resistance R 6) diminishes thereupon, after this pressure drop signal amplifies through the first comparer U1, be input to micro-control unit MCU, when reaching the setting value of micro-control unit MCU, micro-control unit MCU exports high level, the first transistor U1A starts, and feed back to start-up circuit, and this moment, relay R e namely was activated, and input then disconnects, this moment, power input was 0, thereby made standby reach zero-power.When needs charge again, touch a little that tactile switch S w1 gets final product, and if in setting-up time, do not have connection device, input will be disconnected.
Among the figure, VCC is power positive end, and Vout is voltage output end, and OUT is output terminal, and GND is tie point, and OSC refers to that signal produces end, and L is live wire, and N is zero line.
Need to prove, the according to the above description announcement of book and instruction, those skilled in the art in the invention can also change and revise above-mentioned embodiment.Therefore, the embodiment that discloses and describe above the present invention is not limited to also should fall in the protection domain of claim of the present invention equivalent modifications more of the present invention and change.In addition, although used some specific terms in this instructions, these terms do not consist of any restriction to the present invention just for convenience of description.
Claims (6)
1. Zero consumption standby circuit, it is characterized in that: comprise that start-up circuit, standby testing circuit, voltage ratio are than feed circuit and feedback circuit, the output terminal of described start-up circuit is coupled to the input end of described standby testing circuit, the output terminal of described standby testing circuit is coupled to described voltage ratio than the input end of feed circuit, described voltage ratio is coupled to the input end of described feedback circuit than the output terminal of feed circuit, and the output terminal of described feedback circuit is coupled to the input end of described start-up circuit.
2. Zero consumption standby circuit according to claim 1, it is characterized in that: described start-up circuit comprises a little tactile switch S w1, the first resistance R 1 and relay R e, described point touches switch S w1 and described the first resistance R 1 is connected in series, and described relay R e and described point touch switch S w1 and described the first resistance R 1 all is connected in parallel.
3. Zero consumption standby circuit according to claim 2, it is characterized in that: described standby testing circuit comprises transformer T, the second resistance R 2, the first capacitor C 1, the first diode D1, the first power supply EC1, the first telefault L1, second source EC2, the 4th resistance R 4, the 3rd resistance R 3, the second capacitor C 2, LED and the 6th resistance R 6, the input end of described transformer T is connected with relay R e with described the first resistance R 1 respectively, one end of the output terminal of described transformer T connects the positive pole of the first power supply EC1 through the second resistance R 2 and the first capacitor C 1, and the other end of the output terminal of described transformer T connects respectively the negative pole of the first power supply EC1 and the negative pole of second source EC1; The negative pole of described the first diode D1 connects an end of the output terminal of transformer T, positive pole connects the positive pole of the first power supply EC1, the positive pole of a termination the first power supply EC1 of the first telefault L1, the other end is positive pole, the 4th resistance R 4, the second capacitor C 2 and the 3rd resistance R 3 of second source EC2 respectively; Described the 3rd resistance R 3 is connected in series with LED, and an end of described the 6th resistance R 6 is connected with LED, and the other end is connected than feed circuit with voltage ratio.
4. Zero consumption standby circuit according to claim 3 is characterized in that: be connected with wave filter between described start-up circuit and the described transformer T.
5. Zero consumption standby circuit according to claim 4, it is characterized in that: described voltage ratio comprises the 7th resistance R 7, the first comparer U1, the 8th resistance R 8, the 9th resistance R 9, voltage stabilizing diode ZD1 and the 5th capacitor C 5 than feed circuit, the two ends of described the 7th resistance R 7 respectively with the 6th resistance R 6 be connected and be connected the positive pole of comparer U1 and connect; The negative pole of described the first comparer U1 is by the 9th resistance R 9 ground connection, and base stage is connected with the 5th capacitor C 5 with voltage stabilizing diode ZD1 respectively by the 8th resistance R 8.
6. Zero consumption standby circuit according to claim 5, it is characterized in that: described feedback circuit comprises micro-control unit MCU, the 3rd diode D3, the 12 resistance R 12, the first triode Q1, the first transistor U1A and the 11 resistance R 11, the positive pole of the 3rd diode D3 is connected with negative pole with the 12 resistance R 12 and is connected with micro-control unit MCU, the 12 resistance R 12 is connected with the base stage of the first triode Q1, and the collector of the first triode Q1 is by the first transistor U1A and the 11 resistance R 11 output voltages input end to described start-up circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220409326 CN202794929U (en) | 2012-08-17 | 2012-08-17 | Circuit capable of zero power consumption in a standby state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220409326 CN202794929U (en) | 2012-08-17 | 2012-08-17 | Circuit capable of zero power consumption in a standby state |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202794929U true CN202794929U (en) | 2013-03-13 |
Family
ID=47822164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220409326 Expired - Fee Related CN202794929U (en) | 2012-08-17 | 2012-08-17 | Circuit capable of zero power consumption in a standby state |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202794929U (en) |
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2012
- 2012-08-17 CN CN 201220409326 patent/CN202794929U/en not_active Expired - Fee Related
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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: 20130313 Termination date: 20130817 |