CN104393660A - Zero-standby-power-consumption charger and circuit control method thereof - Google Patents
Zero-standby-power-consumption charger and circuit control method thereof Download PDFInfo
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- CN104393660A CN104393660A CN201410721953.7A CN201410721953A CN104393660A CN 104393660 A CN104393660 A CN 104393660A CN 201410721953 A CN201410721953 A CN 201410721953A CN 104393660 A CN104393660 A CN 104393660A
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000012544 monitoring process Methods 0.000 claims abstract description 30
- 238000012360 testing method Methods 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 238000002955 isolation Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- H02J7/045—
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a zero-standby-power-consumption charger and a circuit control method thereof. The charger comprises a control circuit. The control circuit comprises an input rectifying module, a transformer, a power drive chip and a power output module. External current sequentially passes the input rectifying module and the transformer to enter the power output module, and the power drive chip is arranged on a loop of the transformer. The control circuit further comprises an input on-off switch module, an isolation driving switch, a standby monitoring and control chip and a self-power-supply module. The standby monitoring and control chip controls the on-off state of the power supply end of the circuit and the rear circuit portion in real time by monitoring the power output module and the output current to achieve the aim of zero standby power consumption. The charger is good in circuit isolation and capable of saving energy.
Description
Technical field
The present invention relates to charger technologies, is a kind of charger of zero stand-by power consumption and the circuit control method of this charger specifically.
Background technology
All there is stand-by power consumption in the charger of present nearly all electronic product, along with the development of technology, although stand-by power consumption is more and more less, but owing to well not isolating between the input of power supply and circuit, what auxiliary circuit still continued is working, so can not accomplish that stand-by power consumption is entirely zero, time standby, still there is the situation of energy waste.
Summary of the invention
Task of the present invention is will for above-mentioned technical problem, the zero stand-by power consumption charger providing a kind of isolation good, and the circuit control method of this charger.
Technological means: the invention discloses a kind of zero stand-by power consumption charger, comprise control circuit, control circuit comprises input rectifying module, transformer, power drives chip and power supply output module, foreign current enters power supply output module successively after input rectifying module and transformer, power drives chip is arranged on the loop of transformer, this control circuit also comprises input switch module, isolated form driving switch, standby monitoring and control chip and self-powered module, wherein:
Input switch module installation between input rectifying module and transformer, and is connected with isolated form driving switch, for controlling power drives chip operation;
Whether standby monitoring and control chip are connected the output current size for detecting transformer with the output of transformer, and be connected with power supply output module to be used for detecting and be connected to and need charging device;
Isolated form driving switch is connected to standby monitoring and between control chip and input switch module, standby monitoring and control chip send signal to isolated form driving switch, are worked by isolated form driving switch control inputs switch module;
The standby monitoring of self-powered model calling and control chip are its power supply.
Isolated form driving switch is a photoelectric switch, and its input is connected with standby monitoring and control chip, output and input switch model calling.
Protective tube is provided with between input rectifying module and live wire end; Power supply output module is USB output module; Self-powered module is photocell.
The invention also discloses the circuit control method of above-mentioned zero stand-by power consumption charger, the control method of this circuit is as follows:
When insertion needs charging device, standby monitoring and control chip monitor equipment and have inserted power supply output module, now treat that machine testing and control chip send charging signals to isolated form driving switch, isolated form driving switch is by the conducting of input switch module, foreign current is input to power drives chip after input rectifying module and input switch module, power drives chip is started working, and it is equipment charge that electric current is transferred to power supply output module through transformer;
In charging process, treat that machine testing and control chip continue to send charging signals to isolated form driving switch, isolated form driving switch constant conduction input switch module, standby monitoring simultaneously and control chip monitor the size of the output current of transformer in real time, when the output current of transformer is reduced to set point, standby monitoring and control chip send standby signal to isolated form driving switch, input switch module disconnects by isolated form driving switch, input rectifying module and circuit below disconnect by input switch module, and charging stops.
Beneficial effect: zero stand-by power consumption charger disclosed by the invention is by the size of monitoring charging current, the break-make of real-time control inputs switch module is to control rectification module and the break-make of circuit after it, after disconnecting, input does not form loop, isolation is good, hand switch without the need to any outside can accomplish zero stand-by power consumption, energy savings.
Accompanying drawing explanation
Fig. 1 is electrical block diagram of the present invention;
Fig. 2 is the schematic diagram treating machine testing and control chip;
Fig. 3 is the workflow diagram of circuit of the present invention.
Embodiment
As depicted in figs. 1 and 2, the invention discloses a kind of zero stand-by power consumption charger, the control circuit of this charger comprises input rectifying module 1, transformer 3, power drives chip 5, USB output module 4, input switch module 2, isolated form driving switch 7, standby monitoring and control chip 6 and photocell 8, foreign current enters power supply output module 4 after flowing through input rectifying module 1 and transformer 3 successively, power drives chip 5 is arranged on the loop of transformer 3, input switch module 2 is arranged between input rectifying module 1 and transformer 3, and be connected with isolated form driving switch 7, isolated form driving switch 7 is an optoelectronic switch, its input connects standby monitoring and control chip 6, output connects input switch module 2, protective tube 9 is provided with between input rectifying module 1 and live wire end L.
Standby monitoring and control chip 6 have 5 function pins, are respectively: 1) I
senspin, the output of connection transformer 3 connects the output current size for detecting transformer 3; 2) TG pin, connects USB output module 4, whether is connected to for monitoring USB output module 4 equipment needing charging; 3) S/S pin, is connected with the input of isolated form driving switch 7; 4) V
ddpin, photocell 8 provides power supply by this pin to standby monitoring and control chip 6; 5) Gnd pin.
As shown in Figure 3, the circuit control method of this zero stand-by power consumption charger is as follows:
When insertion needs charging device, the TG pin of standby monitoring and control chip 6 monitors equipment and has inserted the triggering of USB output module 4(trailing edge), now treat that machine testing and control chip 6 send charging signals (high level) by S/S pin to isolated form driving switch 7, isolated form driving switch 7 is by input switch module 2 conducting, foreign current is input to power drives chip 5 after input rectifying module 1 and input switch module 2, power drives chip 5 is started working, and electric current is transferred to USB output module 4 for equipment charge through transformer 3;
In charging process, treat that the S/S pin of machine testing and control chip 6 continues to send charging signals, isolated form driving switch 7 constant conduction input switch module 2 to isolated form driving switch 7, the I of standby monitoring simultaneously and control chip 6
senspin monitors the output current I of transformer 3 in real time
osize, when the output current of transformer 3 is less than set point I
settime, the S/S pin of standby monitoring and control chip 6 sends standby signal (low level) to isolated form driving switch, and input switch module 2 disconnects by isolated form driving switch 7, and input rectifying module 1 and circuit below disconnect by input switch module 2, charging stops, and enters holding state.
After entering holding state, because the power end of charger and load end disconnect by input switch module, and power end does not have loop to be formed, so whole charger is all in zero-power state when standby, saves the energy.
Claims (6)
1. a stand-by power consumption charger, comprise control circuit, control circuit comprises input rectifying module, transformer, power drives chip and power supply output module, foreign current enters power supply output module successively after input rectifying module and transformer, power drives chip is arranged on the loop of transformer, it is characterized in that: this control circuit also comprises input switch module, isolated form driving switch, standby monitoring and control chip and self-powered module, wherein:
Input switch module installation between input rectifying module and transformer, and is connected with isolated form driving switch, for controlling power drives chip operation;
Whether standby monitoring and control chip are connected the output current size for detecting transformer with the output of transformer, and be connected with power supply output module to be used for detecting and be connected to and need charging device;
Isolated form driving switch is connected to standby monitoring and between control chip and input switch module, standby monitoring and control chip send signal to isolated form driving switch, are worked by isolated form driving switch control inputs switch module;
The standby monitoring of self-powered model calling and control chip are its power supply.
2. zero stand-by power consumption charger according to claim 1, it is characterized in that: described isolated form driving switch is a photoelectric switch, its input is connected with described standby monitoring and control chip, output and described input switch model calling.
3. zero stand-by power consumption charger according to claim 1, is characterized in that: between described input rectifying module and live wire end, be provided with protective tube.
4. zero stand-by power consumption charger according to claim 1, is characterized in that: described power supply output module is USB output module.
5. zero stand-by power consumption charger according to claim 1, is characterized in that: described self-powered module is photocell.
6. a circuit control method for zero stand-by power consumption charger described in claim 1-5 any one claim, it is characterized in that, the control method of this circuit is as follows:
When insertion needs charging device, described standby monitoring and control chip monitor equipment and have inserted described power supply output module, now treat that machine testing and control chip send charging signals to described isolated form driving switch, isolated form driving switch is by the conducting of described input switch module, foreign current is input to described power drives chip after described input rectifying module and input switch module, power drives chip is started working, and it is equipment charge that electric current is transferred to power supply output module through described transformer;
In charging process, treat that machine testing and control chip continue to send charging signals to isolated form driving switch, isolated form driving switch constant conduction input switch module, standby monitoring simultaneously and control chip monitor the size of the output current of transformer in real time, when the output current of transformer is reduced to set point, standby monitoring and control chip send standby signal to isolated form driving switch, input switch module disconnects by isolated form driving switch, input rectifying module and circuit below disconnect by input switch module, and charging stops.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410721953.7A CN104393660A (en) | 2014-12-03 | 2014-12-03 | Zero-standby-power-consumption charger and circuit control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410721953.7A CN104393660A (en) | 2014-12-03 | 2014-12-03 | Zero-standby-power-consumption charger and circuit control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104393660A true CN104393660A (en) | 2015-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410721953.7A Pending CN104393660A (en) | 2014-12-03 | 2014-12-03 | Zero-standby-power-consumption charger and circuit control method thereof |
Country Status (1)
| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105244981A (en) * | 2015-11-20 | 2016-01-13 | 深圳市祝你快乐科技有限公司 | Energy saving charger capable of automatic power cutoff |
| CN105244980A (en) * | 2015-11-20 | 2016-01-13 | 深圳市祝你快乐科技有限公司 | Energy saving charger controlled by mobile phone APP |
| WO2017133199A1 (en) * | 2016-02-05 | 2017-08-10 | 广东欧珀移动通信有限公司 | Charging system, charging method, and power adapter for terminal |
| CN110854978A (en) * | 2019-11-25 | 2020-02-28 | 陈正芬 | Charger with zero standby power consumption |
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| CN2631116Y (en) * | 2003-06-02 | 2004-08-04 | 刘旭明 | Portable energy-saving switch power source |
| JP2010016984A (en) * | 2008-07-03 | 2010-01-21 | Sanyo Electric Co Ltd | Charging controller and charging equipment |
| CN202210602U (en) * | 2011-09-22 | 2012-05-02 | 黄长生 | Remote control row socket |
| CN104038038A (en) * | 2014-06-03 | 2014-09-10 | 青岛海信电器股份有限公司 | Startup circuit and electronic equipment |
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2014
- 2014-12-03 CN CN201410721953.7A patent/CN104393660A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2631116Y (en) * | 2003-06-02 | 2004-08-04 | 刘旭明 | Portable energy-saving switch power source |
| JP2010016984A (en) * | 2008-07-03 | 2010-01-21 | Sanyo Electric Co Ltd | Charging controller and charging equipment |
| CN202210602U (en) * | 2011-09-22 | 2012-05-02 | 黄长生 | Remote control row socket |
| CN104038038A (en) * | 2014-06-03 | 2014-09-10 | 青岛海信电器股份有限公司 | Startup circuit and electronic equipment |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105244981A (en) * | 2015-11-20 | 2016-01-13 | 深圳市祝你快乐科技有限公司 | Energy saving charger capable of automatic power cutoff |
| CN105244980A (en) * | 2015-11-20 | 2016-01-13 | 深圳市祝你快乐科技有限公司 | Energy saving charger controlled by mobile phone APP |
| WO2017133199A1 (en) * | 2016-02-05 | 2017-08-10 | 广东欧珀移动通信有限公司 | Charging system, charging method, and power adapter for terminal |
| CN107852017A (en) * | 2016-02-05 | 2018-03-27 | 广东欧珀移动通信有限公司 | For the charging system of terminal, charging method and power supply adaptor |
| US10680460B2 (en) | 2016-02-05 | 2020-06-09 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Charging system and charging method and power adapter for charging a rechargeable battery |
| CN107852017B (en) * | 2016-02-05 | 2022-03-22 | 深圳市欢太科技有限公司 | Charging system and charging method for terminal and power adapter |
| CN110854978A (en) * | 2019-11-25 | 2020-02-28 | 陈正芬 | Charger with zero standby power consumption |
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Application publication date: 20150304 |