CN202679047U - Automatic power-off protective charger - Google Patents
Automatic power-off protective charger Download PDFInfo
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- CN202679047U CN202679047U CN 201220298546 CN201220298546U CN202679047U CN 202679047 U CN202679047 U CN 202679047U CN 201220298546 CN201220298546 CN 201220298546 CN 201220298546 U CN201220298546 U CN 201220298546U CN 202679047 U CN202679047 U CN 202679047U
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Abstract
The utility model discloses an automatic power-off protective charger. The charger comprises an AC input, a general adaptor module, a non-self locking button module, a switch module, a switch driver module, an intelligent control module, a detection module and a USB charge interface, the non-self locking module and the switch module are arranged between the AC input and the general adaptor module in parallel connection, the switch module is driven and controlled through the switch driver module and the intelligent control module, an input end of the intelligent control module is connected with the general adaptor module and the detection module, an input end of the detection module is connected with the general adaptor module, and an output end is connected with the intelligent control module and a USB detection module. By such a design, the magnitude of current can be detected through the detection module, and a signal is transferred to the intelligent control module which controls the switch module to realize the function of automatic switching-on and switching-off of the switch module, enabling the whole charger to reach the objective of zero power consumption, reducing potential safety hazards, and prolonging service life.
Description
Technical field
The utility model relates to the charger technical field, relates in particular to a kind of charger with the auto-breaking defencive function.
Background technology
Charger is commonly referred to as a kind of equipment that alternating current is converted to low-voltage DC.Charger is of many uses in every field, particularly is widely used in the common electrical equipment such as mobile phone, camera at sphere of life.Charger of a great variety is such as lead acid batteries charger, electricity charger for Ni-Cd battery, nickel-metal hydride battery charger, charger for lithium ion battery, portable electric appts charger for lithium ion battery, lithium ionic battery protection circuit multifunctional charger, electromobile battery charger, Che Chong etc. are arranged.Existing lithium battery charger is realized the on-off function to charging current by electronic switch (such as transistor etc.), when charger is in holding state, power supply chip (charging circuit) can consume the operating current of a part, this power consumption probably is about 1W, and when charger is in holding state for a long time, the electric weight of its consumption will be very considerable, if lithium battery is long-term and charger is in connected state, also can bring potential safety hazard, and accelerate the aging of electronic device, shorten its useful life.Only need dozens of minutes such as present most of portable type electronic product charging, and be if that the charger of electronic product configuration constantly will be in holding state in the power down source for a long time, standby power is about 1W, if the stand-by time of charger is calculating in 20 hours by every day, 1,000,000,000 chargers in one day whole nation will consume 2,000 ten thousand degree electricity so.And present most charger in use, need by the user estimate charging interval or charger alarm remind charge complete, thereby input disconnection by the manual complete charger that will charge with exchanging, entirely like this operate by the user is manual, can not timely to the charger outage, still can cause the waste of electric energy.
For example Chinese patent literature CN 101562348 A disclose " a kind of charger "; it is mainly by rectification; switch; transformation; rectification; filtering; voltage stabilizing and feedback form; in overcharge protection circuit, be in series with an audio and video alarm system; when voltage is full of; circuit is jumped in the overcharge protection circuit automatically; open simultaneously audio and video alarm system; remind by sound and light signal; although the present invention can utilize the timely reminding user of acoustooptic alarm to extract charger when charging is complete; in order to reduce the use of overprotection circuit; prolong the useful life of battery; but adopt this structure can only utilize the user manually to operate; and can not accomplish automation control; if the user in the place away from this charger, can not hear warning, so not only charger itself can be wasted electric energy; audible-visual annunciator also can be wasted electric energy, and the noise that sends of audible-visual annunciator also can affect other residents' daily life system.
The utility model content
The purpose of this utility model is to address the above problem, and a kind of auto-breaking protection charger is provided, its have simple in structure, easy and simple to handle, can automatically carry out power-off protection, service life of equipment is long, safe and the advantage of energy-conserving and environment-protective.
For reaching this purpose, the utility model by the following technical solutions:
A kind of auto-breaking protection charger; comprise and exchange input; the universal adapter module; non-locking press button module; switch module; switch drive module; intelligent control module; detection module and USB charging inlet; be arranged in parallel described non-locking press button module and described switch module between described interchange input and the described universal adapter module; connect the described switch drive module that can drive its keying on the described switch module; be provided for controlling the described intelligent control module of its work on the described switch drive module; the input of described intelligent control module connects one of them output of described detection module; another output of described detection module connects described USB charging inlet; and the output of described universal adapter module respectively with the input of described intelligent control module; the input of described detection module connects, and for described intelligent control module be connected detection module and connect electric energy is provided.
Further, described universal adapter module comprises rectifier bridge, pwm control circuit and feedback circuit, described rectifier bridge with described exchange the input be connected, the output of described rectifier bridge is connected with the output of described pwm control circuit, between described pwm control circuit and described intelligent control module, described detection module described feedback circuit is set, the output of described feedback circuit links to each other with described pwm control circuit input.
Further, described switch module comprises relay, described non-locking press button module comprises the power supply button, described relay and described power supply button are and are arranged in parallel, and the input of the input of described relay and described power supply button all exchanges input and links to each other with described, and the output of the output of described relay and described power supply button all links to each other with the input of described rectifier bridge.
Further, described intelligent control module comprises intelligence control circuit, described switch drive module comprises relay drive circuit, the input of described relay drive circuit links to each other with the output of described intelligence control circuit, the output of described relay drive circuit links to each other with the input of described relay, and the input of described intelligence control circuit links to each other with the output of described detection module.
Further, described detection module comprises current detection circuit, the output of described current detection circuit links to each other with the input of described intelligence control circuit, described USB charging inlet respectively, and the input of described current detection circuit links to each other with the output of described universal adapter module.
The beneficial effects of the utility model are: by be arranged in parallel relay and power supply button between interchange input and universal adapter module, and drive with control relay by relay drive circuit and intelligence control circuit and to carry out switching work, by current detection circuit size of current is detected simultaneously, the size of the charging current that can detect according to current detection circuit like this, and this signal is given to intelligence control circuit, intelligence control circuit is converted to this signal the discernible relay control signal of relay again, thereby realize the function of relay automatic open close, make whole charger reach the purpose of zero-power, thereby realization environmental protection and energy saving, and avoid occurring charger and be connected the potential safety hazard of bringing for a long time with charging device, prolong the useful life of whole charger, the power supply button that arranges simultaneously can manual operation begin charging work and need power module to carry out powered operation each, and this power supply button just can automatically restore to off-state after whole circuit is connected; Output by feedback circuit links to each other with the input of pwm control circuit; electric current after the conversion can be monitored like this; see and whether meet used for charging stream; if do not meet then adjust pwm control circuit; to reach suitable charging current; the contrast prior art, that this charger has is simple in structure, easy and simple to handle, can automatically carry out power-off protection, service life of equipment is long, safe and the advantage of energy-conserving and environment-protective.
Description of drawings
Fig. 1 is the block diagram of auto-breaking protection charger described in the utility model;
Fig. 2 is the flow diagram of Fig. 1.
Among the figure:
1, exchanges input; 2, relay; 3, power supply button; 4, rectifier bridge; 5, pwm control circuit; 6, feedback circuit; 7, current detection circuit; 8, USB charging inlet; 9, intelligence control circuit; 10, relay drive circuit.
Embodiment
As shown in Figure 1; auto-breaking protection charger described in the utility model comprises exchanging inputs 1; the universal adapter module; non-locking press button module; switch module; switch drive module; intelligent control module; detection module and USB charging inlet 8; exchanging input comprises the connecting to neutral line end and starts to exchange fire line end; the connecting to neutral line end links to each other with the universal adapter module respectively with the line end of starting to exchange fire; start to exchange fire and be arranged in parallel non-locking press button module and switch module between line end and the universal adapter module; connect the switch drive module that can drive its keying on the switch module; be provided for controlling the intelligent control module of its work on the switch drive module; one of them output of the input connection detection module of intelligent control module; another output of detection module connects USB charging inlet 8; and the output of universal adapter module respectively with the input of intelligent control module; the input of detection module connects, and provides electric energy for intelligent control module is connected with detection module.
As shown in Figure 2, the universal adapter module comprises rectifier bridge 4, pwm control circuit 5 and feedback circuit 6, rectifier bridge 4 is connected with the line end of starting to exchange fire with the connecting to neutral line end that exchanges input respectively, the output of rectifier bridge 4 is connected with the output of pwm control circuit 5, between pwm control circuit 5 and intelligent control module, detection module feedback circuit 6 is set, the output of feedback circuit 6 links to each other with pwm control circuit 5 inputs.Electric current after the conversion can be monitored like this, see whether meet used for charging stream, if do not meet then adjust pwm control circuit 5, to reach suitable charging current.
Switch module comprises relay 2, non-locking press button module comprises power supply button 3, relay 2 and power supply button 3 are and are arranged in parallel, and the input of the input of relay 2 and power supply button 3 all with exchanges input 1 and links to each other, the output of relay 2 all links to each other with the input of rectifier bridge 4 with the output of the button 3 of powering.
Intelligent control module comprises intelligence control circuit 9, switch drive module comprises relay drive circuit 10, the input of relay drive circuit 10 links to each other with the output of intelligence control circuit 9, the output of relay drive circuit 10 links to each other with the input of relay 2, and the input of intelligence control circuit 9 links to each other with the output of detection module.
Detection module comprises current detection circuit 7, and the output of current detection circuit 7 links to each other 8 with input, the USB charging inlet of intelligence control circuit 9 respectively.By between interchange input 1 and universal adapter module, being arranged in parallel relay 2 and power supply button 3, and drive with control relay 2 by relay drive circuit 10 and intelligence control circuit 9 and to carry out switching work, detect by 7 pairs of size of current of current detection circuit simultaneously, can realize according to the size that detects charging current like this function of relay 2 automatic open closes, make whole charger reach the purpose of zero-power, thereby realization environmental protection and energy saving, and avoid occurring charger and be connected the potential safety hazard of bringing for a long time with charging device, prolong the useful life of whole charger, the power supply button 3 that arranges simultaneously can manual operation begin charging work and need power module to carry out powered operation each, and this power supply button 3 just can automatically restore to off-state after whole circuit is connected.
When charger is inserted in the interchange input 1, the contact of relay 2 is in off-state under the normal condition, no current flows in the charger of this moment, without any power consumption, when charging device need to charge, the user manually presses power supply button 3, at this moment exchanging input 1 is communicated with the universal adapter module, alternating current enters in the rectifier bridge 4, and then enter pwm control circuit 5 and carry out pulse width modulation, finally make alternating current change direct current into, and direct current is monitored feedback through feedback circuit 6, see the requirement that whether meets charging current, if do not meet, feedback circuit 6 is passed to pwm control circuit 5 with signal and is regulated so, make electric current reach requirement, then part of direct current flows to into intelligence control circuit 9, and to intelligence control circuit 9 power supplies, intelligence control circuit 9 is started working, intelligence control circuit 9 sends the relay control signal, this relay control signal enters relay 2 through control relay drive circuit 10, make relay 2 adhesives, another part direct current enters current detection circuit 7 simultaneously, thereby and then the output by current detection circuit 7 enters USB charging inlet 8 energising equipment is charged, at this moment the user unclamps power supply button 3, and power supply button 3 can automatically be upspring and is in off-state.
After the power consumption equipment charging is finished, intelligence control circuit 9 automatically recognizes charging by current detection circuit 7 and finishes, intelligence control circuit 9 will be delayed time after a period of time, the signal that charging is finished is converted to the relay control signal that relay 2 can be identified, then relay control signal is transferred to relay 2 by relay drive circuit 10, relay 2 is disconnected, so just cut off the path between AC power and charger, whole charger outage.
When needs continue charging, only need to again press power supply button 3 and get final product, just can charge to power consumption equipment.
Know-why of the present utility model has below been described in conjunction with specific embodiments.These are described just in order to explain principle of the present utility model, and can not be interpreted as by any way the restriction to the utility model protection range.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present utility model, and these modes all will fall within the protection range of the present utility model.
Claims (5)
1. an auto-breaking is protected charger; it is characterized in that; comprise and exchange input; the universal adapter module; non-locking press button module; switch module; switch drive module; intelligent control module; detection module and USB charging inlet; be arranged in parallel described non-locking press button module and described switch module between described interchange input and the described universal adapter module; connect the described switch drive module that can drive its keying on the described switch module; be provided for controlling the described intelligent control module of its work on the described switch drive module; the input of described intelligent control module connects one of them output of described detection module; another output of described detection module connects described USB charging inlet; and the output of described universal adapter module respectively with the input of described intelligent control module; the input of described detection module connects, and for described intelligent control module be connected detection module and connect electric energy is provided.
2. auto-breaking according to claim 1 is protected charger; it is characterized in that; described universal adapter module comprises rectifier bridge, pwm control circuit and feedback circuit; described rectifier bridge with described exchange the input be connected; the output of described rectifier bridge is connected with the output of described pwm control circuit; between described pwm control circuit and described intelligent control module, described detection module described feedback circuit is set, the output of described feedback circuit links to each other with described pwm control circuit input.
3. arbitrary described auto-breaking is protected charger according to claim 1 and 2; it is characterized in that; described switch module comprises relay; described non-locking press button module comprises the power supply button; described relay and described power supply button are and are arranged in parallel; and the input of the input of described relay and described power supply button all exchanges input and links to each other with described, and the output of the output of described relay and described power supply button all links to each other with the input of described rectifier bridge.
4. auto-breaking according to claim 3 is protected charger; it is characterized in that; described intelligent control module comprises intelligence control circuit; described switch drive module comprises relay drive circuit; the input of described relay drive circuit links to each other with the output of described intelligence control circuit; the output of described relay drive circuit links to each other with the input of described relay, and the input of described intelligence control circuit links to each other with the output of described detection module.
5. auto-breaking according to claim 4 is protected charger; it is characterized in that; described detection module comprises current detection circuit; the output of described current detection circuit links to each other with the input of described intelligence control circuit, described USB charging inlet respectively, and the input of described current detection circuit links to each other with the output of described universal adapter module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220298546 CN202679047U (en) | 2012-06-19 | 2012-06-19 | Automatic power-off protective charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220298546 CN202679047U (en) | 2012-06-19 | 2012-06-19 | Automatic power-off protective charger |
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| Publication Number | Publication Date |
|---|---|
| CN202679047U true CN202679047U (en) | 2013-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220298546 Expired - Lifetime CN202679047U (en) | 2012-06-19 | 2012-06-19 | Automatic power-off protective charger |
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| CN (1) | CN202679047U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326426A (en) * | 2013-06-07 | 2013-09-25 | 无锡商业职业技术学院 | Electromobile charger self-outage device |
| CN103701174A (en) * | 2013-12-30 | 2014-04-02 | 深圳市强大实业有限公司 | Portable multipath communication charging device capable of charging electrical appliances of different types |
| CN104467127A (en) * | 2015-01-13 | 2015-03-25 | 南安市高捷电子科技有限公司 | Power-off protection mobile phone charger |
| CN105305526A (en) * | 2014-06-25 | 2016-02-03 | 邱瑞杰 | current detection and management device |
| CN106253429A (en) * | 2016-08-25 | 2016-12-21 | 陈宗仁 | A kind of charger |
| CN106655389A (en) * | 2016-12-30 | 2017-05-10 | 维沃移动通信有限公司 | Charging protection method, device and circuit |
| CN106771544A (en) * | 2017-01-03 | 2017-05-31 | 徐州融慧达电子科技有限公司 | Charging detection device and method for measuring charged |
| CN108173327A (en) * | 2018-02-12 | 2018-06-15 | 塔里木大学 | A kind of auto-power-off energy-saving protective device |
| CN108429093A (en) * | 2018-04-12 | 2018-08-21 | 北京纽曼凤凰科技有限公司 | Automatic open close power supply adaptor |
-
2012
- 2012-06-19 CN CN 201220298546 patent/CN202679047U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326426A (en) * | 2013-06-07 | 2013-09-25 | 无锡商业职业技术学院 | Electromobile charger self-outage device |
| CN103701174A (en) * | 2013-12-30 | 2014-04-02 | 深圳市强大实业有限公司 | Portable multipath communication charging device capable of charging electrical appliances of different types |
| CN103701174B (en) * | 2013-12-30 | 2016-05-11 | 深圳市强大实业有限公司 | The portable multipath that can be the charging of the dissimilar electric equipment charging device of can communicating by letter |
| CN105305526A (en) * | 2014-06-25 | 2016-02-03 | 邱瑞杰 | current detection and management device |
| CN104467127A (en) * | 2015-01-13 | 2015-03-25 | 南安市高捷电子科技有限公司 | Power-off protection mobile phone charger |
| CN106253429A (en) * | 2016-08-25 | 2016-12-21 | 陈宗仁 | A kind of charger |
| CN106655389A (en) * | 2016-12-30 | 2017-05-10 | 维沃移动通信有限公司 | Charging protection method, device and circuit |
| CN106771544A (en) * | 2017-01-03 | 2017-05-31 | 徐州融慧达电子科技有限公司 | Charging detection device and method for measuring charged |
| CN108173327A (en) * | 2018-02-12 | 2018-06-15 | 塔里木大学 | A kind of auto-power-off energy-saving protective device |
| CN108173327B (en) * | 2018-02-12 | 2019-11-12 | 塔里木大学 | A kind of auto-power-off energy-saving protective device |
| CN108429093A (en) * | 2018-04-12 | 2018-08-21 | 北京纽曼凤凰科技有限公司 | Automatic open close power supply adaptor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130116 |
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| CX01 | Expiry of patent term |