CN102299545A - Automatic identification charging device of laptop - Google Patents
Automatic identification charging device of laptop Download PDFInfo
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- CN102299545A CN102299545A CN2011102416906A CN201110241690A CN102299545A CN 102299545 A CN102299545 A CN 102299545A CN 2011102416906 A CN2011102416906 A CN 2011102416906A CN 201110241690 A CN201110241690 A CN 201110241690A CN 102299545 A CN102299545 A CN 102299545A
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Abstract
The invention discloses an automatic identification charging device of a laptop. The automatic identification charging device comprises: a rectification filtering module, a voltage conversion module and a rectification module, wherein the rectification filtering module, the voltage conversion module and the rectification module are successively electrically connected with each other. An output terminal of the rectification module is connected with two output terminals. One output terminal of the rectification module is a laptop power supply port which is used to charge the laptop. The other output terminal of the rectification module is a digital power supply port which is used to charge a digital appliance. The laptop power supply port is successively connected with a sampling module, a comparison and judgment module and an output adjusting module. The output adjusting module is connected with the voltage conversion module. A core content of the invention comprises: an AC-DC process; a DC-DC process; a system which can be intelligently controlled by a microprocessor controller. The automatic identification charging device of the invention can charge the laptop or a digital product. Usage is flexible and convenient. By using the device, an accurate voltage can be obtained when the laptop or the digital product is charged. An intelligent degree is high.
Description
Technical field:
The present invention relates to the charger technical field that a kind of notebook computer or digital product use, is a kind of automatic identification charging device of notebook computer specifically.
Background technology:
Along with people's living standard is more and more higher, various digital products all become life necessary article gradually, as MP3, MP4, digital camera, mobile phone, PSP, toy for children, notebook computer etc.These digital products all are furnished with special-purpose charging device and data line etc., but when we go out, if carry the charger of various digital products self adapted, not only carry trouble, and seem mixed and disorderly.
Summary of the invention:
The objective of the invention is to overcome the deficiencies in the prior art, providing a kind of is the automatic identification charging device that notebook computer or digital electrical apparatus charge, have when charging for notebook the notebook computer of feedback compensation function adaptively.
Goal of the invention of the present invention is achieved in that a kind of automatic identification charging device of notebook computer, it is characterized in that: it comprises that electrical connection in turn is electrically connected and civil power is converted to the rectification filtering module of high voltage direct current with the city, the voltage transformation of rectification filtering module output is become the voltage transformation module of low-voltage DC and the voltage that the voltage transformation module is exported is carried out the rectification module that rectification is handled, the output of rectification module is connected with two lead-out terminals, one of them lead-out terminal of rectification module is the notebook computer power supply port that rectification output notebook is suitable for voltage, another lead-out terminal of rectification module is the digital power supply side mouth that rectification output digital electrical apparatus is suitable for voltage, during this time, notebook computer power supply port is connected with the sampling module that is used to be sampled as notebook supply power voltage sample value, the signal output part of sampling module is connected with adopts voltage sample value and the required charging voltage value of notebook comparison judge module relatively with sampling module, relatively the signal output part of judge module is connected with the output adjusting module, and the output adjusting module is connected and is used to adjust the low-voltage DC numerical value of voltage transformation module output with the voltage transformation module.
The automatic identification charging device of notebook computer of the present invention, it is as the further improvement of technical scheme, and described relatively judge module is a voltage comparator.
Furthermore, the automatic identification charging device of described notebook computer, its described digital power supply side mouth is a USB interface.
The present invention overcomes the deficiencies in the prior art, and its advantage is:
The automatic identification charging device of notebook computer of the present invention, its core is
Process,
Process and system can carry out Based Intelligent Control by microprocessor controller.During this time, external commercial power is through rectification filtering module, voltage transformation module and rectification module, can be suitable for the voltage of notebook computer charging and be fit to the voltage of digital electrical apparatus charging by digital power supply side mouth output by power port output of notebook computer, people can use this device to be notebook computer or digital product charging neatly, this device also need not to do any setting, can be the corresponding electric appliance charging adaptively according to the electrical equipment that inserts, reality is flexible and convenient to use.During this time, when this device charges for notebook computer, charging voltage when it also charges to notebook computer by sampling module, comparison judge module and output adjusting module is sampled, is compared, and then the output voltage of adjustment voltage transformation module, make this device have the feedback compensation function simultaneously, so that the notebook computer charging time obtains required voltage more accurately, greatly improved the intelligent effect and the practicality of product.
Description of drawings:
Fig. 1 is the structural principle schematic diagram of most preferred embodiment of the present invention.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
According to shown in Figure 1, it is a most preferred embodiment of the present invention, this embodiment is by the following technical solutions: the automatic identification charging device of the described notebook computer of present embodiment, comprise the rectification filtering module 1, voltage transformation module 2 and the rectification module 3 that are electrically connected in turn, during this time, rectification filtering module 1 is to realize one of core of the present invention with being electrically connected with the city and converting civil power to high voltage direct current with voltage transformation module 2 these modules of output to next stage: the AC-DC conversion, during use, civil power is generally the input of 100-240AC; Voltage transformation module 2 is that the high voltage direct current that rectification filtering module 1 is imported is transformed into low-voltage DC with rectification module 3 outputs to next stage, and this voltage transformation module 2 can realize that this module realizes another core of the present invention by switching circuit:
Conversion; 3 voltages with 2 outputs of voltage transformation module of rectification module carry out rectification to be handled, and makes its output voltage parameter more stable good, and this rectification module 3 can be realized this function by the rectification circuit of routine.
And, the output of rectification module 3 of the present invention is connected with two lead-out terminals, one of them lead-out terminal of rectification module 3 is a notebook computer power supply port 4, this notebook computer power supply port 4 rectifications output notebook computer is suitable for voltage, when the user charged for notebook computer, direct adaper plug with notebook computer docked with this port and gets final product; And another lead-out terminal of rectification module 3 is to be transformed into the digital power supply side mouth 5 of suitable direct voltage for the suitable voltage of digital electrical apparatus through above-mentioned DC-DC, and in concrete preparation process, this number power supply side mouth 5 is a USB interface.
During this time, notebook computer power supply port 4 is connected with sampling module 6, and this sampling module 6 is connected and is used to be sampled as the voltage sample value that notebook computer is powered with notebook computer power supply port 4; The signal output part of sampling module 6 is connected with comparison judge module 7, the magnitude of voltage that this comparison judge module 7 provides the sampling module 6 voltage sample value of adopting and our adapter requirement relatively, sampling module 6 sampled voltages are delivered to comparison judge module 7, by the magnitude of voltage that the sampled voltage of notebook computer charging power supply port and our adapter is required provide judgements of making comparisons, export a judgment value to the next stage module by judgement; Relatively the signal output part of judge module 7 is connected with output adjusting module 8, output adjusting module 8 is connected with voltage transformation module 2, during this time, according to comparing the low-voltage DC numerical value that the above-mentioned judgment value of judge module 7 outputs is used to adjust 2 outputs of voltage transformation module, finally make the voltage of notebook computer power supply port 4 outputs reach the voltage that notebook computer requires.
The present invention is at run duration, and whole system also can make its degree of integration and controllable degree higher by little process chip control.
In conjunction with the accompanying drawings shown in 1, the operation principle of the specific embodiment of the invention is: external commercial power is to rectification filtering module 1 input 100-240AC, after 1 pair of alternating current of this rectification filtering module is handled through power filter,, realize the AC-DC conversion to voltage transformation module output high-voltage dc voltage; Enter the voltage transformation module then the high voltage direct current of rectification filtering module 1 input is transformed into low-voltage DC output, realize the DC-DC conversion; Subsequently, the low-voltage dc voltage of voltage transformation module output further is rectified into electrical quantity voltage more accurately through rectification module 3.One of them lead-out terminal of rectification module 3: notebook computer power supply port 4 is notebook computer output charging voltage; Another lead-out terminal of rectification module 3: digital power supply side mouth 5, be the charging voltage that digital electrical apparatus output adapts, this power supply port output voltage can be directly to digital products such as mobile phone, camera, MP3 output supply power voltage.In this process, when the user is inserted into the charging electric wire of notebook computer on the notebook computer power supply port 4 when charging for notebook computer, the sampling module 6 of system is transferred to comparison judge module 7 from voltage value of notebook computer power supply port 4 samplings, the magnitude of voltage that requires to provide with notebook adapter in comparing judge module 7 compares, then according to comparing judged result, adjust signal to aforesaid voltage transformation module 2 in 8 outputs of output adjusting module, voltage transformation module 2 is again according to comparing the judged result value, system adjusts voltage transformation module 2 makes its output meet the voltage of notebook adapter, makes notebook computer can obtain only supply power voltage.
Technical solutions according to the invention, its core is
Process,
Process and system can carry out Based Intelligent Control by microprocessor controller.It is the charging of notebook computer or digital product neatly that people can use this device, and this device also need not to do any setting, can be the corresponding electric appliance charging adaptively according to the electrical equipment that inserts, and reality is flexible and convenient to use.During this time, when this device charges for notebook computer, it also by sampling module 6, charging voltage when relatively 8 pairs of judge module 7 and output adjusting modules charges by notebook computer sample, comparison, and then the output voltage of adjustment voltage transformation module 2, make this device also have the feedback compensation function simultaneously, so that the notebook computer charging time obtains required voltage more accurately, greatly improved the intelligent effect and the practicality of product.
Claims (3)
1. the automatic identification charging device of a notebook computer, it is characterized in that: it comprises that electrical connection in turn is electrically connected and civil power is converted to the rectification filtering module (1) of high voltage direct current with the city, the voltage transformation of rectification filtering module (1) output is become the voltage transformation module (2) of low-voltage DC and the voltage that voltage transformation module (2) is exported is carried out the rectification module (3) that rectification is handled, the output of rectification module (3) is connected with two lead-out terminals, one of them lead-out terminal of rectification module (3) is the notebook computer power supply port (4) that rectification output notebook computer is suitable for voltage, another lead-out terminal of rectification module (3) is the digital power supply side mouth (5) that rectification output digital electrical apparatus is suitable for voltage, during this time, notebook computer power supply port (4) is connected with the sampling module (6) that is used to be sampled as notebook computer supply power voltage sample value, the signal output part of sampling module (6) be connected with sampling module (6) the required charging voltage value of the voltage sample value of adopting and notebook computer comparison judge module (7) relatively, relatively the signal output part of judge module (7) is connected with output adjusting module (8), and output adjusting module (8) is connected and is used to adjust the low-voltage DC numerical value that voltage transformation module (2) is exported with voltage transformation module (2).
2. according to the automatic identification charging device of the described notebook computer of claim 1, it is characterized in that: described relatively judge module (7) is voltage comparator.
3. according to the automatic identification charging device of the described notebook computer of claim 2, it is characterized in that: described digital power supply side mouth (5) is USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102416906A CN102299545A (en) | 2011-08-22 | 2011-08-22 | Automatic identification charging device of laptop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102416906A CN102299545A (en) | 2011-08-22 | 2011-08-22 | Automatic identification charging device of laptop |
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| CN102299545A true CN102299545A (en) | 2011-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011102416906A Pending CN102299545A (en) | 2011-08-22 | 2011-08-22 | Automatic identification charging device of laptop |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7183748B1 (en) * | 2000-02-07 | 2007-02-27 | Fujitsu Limited | Electric charger and power supply device for portable terminal |
| CN201191769Y (en) * | 2008-04-30 | 2009-02-04 | 冉茂鑫 | Current type dual input non-interruption switch power-supply |
| CN101719686A (en) * | 2008-10-09 | 2010-06-02 | 索尼株式会社 | charging apparatus |
| CN101867214A (en) * | 2010-06-24 | 2010-10-20 | 深圳市瑞必达电源有限公司 | Charging circuit and charger |
| CN102130488A (en) * | 2010-01-19 | 2011-07-20 | 深圳市龙威盛电子科技有限公司 | Intelligent low power consumption power adapter |
| CN202309178U (en) * | 2011-08-22 | 2012-07-04 | 徐忠方 | Device for automatically identifying and charging laptop |
-
2011
- 2011-08-22 CN CN2011102416906A patent/CN102299545A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7183748B1 (en) * | 2000-02-07 | 2007-02-27 | Fujitsu Limited | Electric charger and power supply device for portable terminal |
| CN201191769Y (en) * | 2008-04-30 | 2009-02-04 | 冉茂鑫 | Current type dual input non-interruption switch power-supply |
| CN101719686A (en) * | 2008-10-09 | 2010-06-02 | 索尼株式会社 | charging apparatus |
| CN102130488A (en) * | 2010-01-19 | 2011-07-20 | 深圳市龙威盛电子科技有限公司 | Intelligent low power consumption power adapter |
| CN101867214A (en) * | 2010-06-24 | 2010-10-20 | 深圳市瑞必达电源有限公司 | Charging circuit and charger |
| CN202309178U (en) * | 2011-08-22 | 2012-07-04 | 徐忠方 | Device for automatically identifying and charging laptop |
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Application publication date: 20111228 |
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