CN101740955A - Adapter, notebook computer and energy saving method for adapter - Google Patents
Adapter, notebook computer and energy saving method for adapter Download PDFInfo
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- CN101740955A CN101740955A CN200810227032A CN200810227032A CN101740955A CN 101740955 A CN101740955 A CN 101740955A CN 200810227032 A CN200810227032 A CN 200810227032A CN 200810227032 A CN200810227032 A CN 200810227032A CN 101740955 A CN101740955 A CN 101740955A
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Abstract
The embodiment of the invention provides an adapter, a notebook computer and an energy saving method for the adapter. The adapter comprises an input end, an AC/DC conversion module, an output end and an AC switch, wherein the input end is connected to the external AC; the AC/DC conversion module is used for converting the AC into DC; the output end is used for outputting the DC; the AC switch is connected to an AC line between the conversion module and the input end; and the AC switch is used for disconnecting the AC between the conversion module and the input end when the output end is pulled out of the DC interface of the electrical equipment, and connecting the AC between the conversion module and the input end when the output end is inserted in the DC interface of the electrical equipment. The embodiment of the invention can enable the adapter to realize zero power consumption in the standby state, thereby solving the technical problem that the adapter in the prior art consumes power when being not connected to a load (in the standby state).
Description
Technical field
The present invention relates to power supply adaptor, particularly relate to a kind of power supply adaptor that can economize on electricity and adapter section method for electrically.
Background technology
Common notebook computer all has power supply adaptor, is used for common 220V alternating current is converted into the employed low-voltage DC of notebook computer.
In office, most of people often only pull out the plug of adapter when turning off notebook computer from notebook, and are disinclined to the adapter of 220V has been pulled out.And present adapter as a termination 220V, when an other end does not connect load, all exists certain stand-by power consumption more or less, at least about 100mW, greatly then about 400mW.
Like this, even not work of adapter because of it is connecting the alternating current of 220V, also still has the stand-by power consumption of 100-400Mw.Though single adapter stand-by power consumption is also few, but along with adapter is used more and more, an office, an office block, even whole distract ... the stand-by power consumption that all adapters are added up be can not ignore, this does not meet current the energy-saving and environment friendly theory of advocating energetically very much.
The existing adapters power saving scheme all is to judge loading condition mostly, whether determines power output, and the shortcoming of these schemes is: in any case all can there be certain power consumption in decision circuitry under ideal case.
Summary of the invention
The purpose of the embodiment of the invention provides a kind of adapter, notebook and adapter section method for electrically, zero-power in the time of can making adapter realize standby, the adapter that solves prior art is not connecting the technical problem that all can have power consumption under the load ideal case.
To achieve these goals, on the one hand, provide a kind of adapter, having comprised: input is used to connect external communication; The ac/dc modular converter is used for described alternating current is converted to direct current; Output is used to export described direct current; Described adapter also comprises: an alternating current switch, be connected on the alternating current transmission line between described modular converter and the described input, wherein, described alternating current switch is used for when described output is extracted the direct current interface of power consumption equipment, disconnects described modular converter and is connected with alternating current between the described input; When described output inserts the direct current interface of described power consumption equipment, be communicated with described modular converter and be connected with alternating current between the described input.
Preferably, in the above-mentioned adapter, described alternating current switch comprises:
Sliding part is set on the mandrel of described output,
Conductor loops is arranged on the described sliding part;
The first conductor semi-ring is connected with described input
The second conductor semi-ring is connected with described modular converter;
Wherein, when described output was extracted the direct current interface of power consumption equipment, described conductor loops and the described first conductor semi-ring and the described second conductor semi-ring were separated;
When described output inserted the direct current interface of described power consumption equipment, described conductor loops contacted with described first conductor semi-ring and the described second conductor semi-ring.
Preferably, in the above-mentioned adapter, described alternating current switch comprises:
Conductor loops is arranged on the inwall of described output;
First spring contact is electrically connected with described conductor loops;
Second spring contact is electrically connected with described conductor loops;
The first conductor semi-ring is connected with described input
The second conductor semi-ring is connected with described modular converter;
Wherein, when described output was extracted the direct current interface of power consumption equipment, described first spring contact and the described first conductor semi-ring were separated, and described second spring contact and the described second conductor semi-ring are separated;
When described output inserted the direct current interface of described power consumption equipment, described first spring contact contacted with the described first conductor semi-ring, and described second spring contact contacts with the described second conductor semi-ring.
On the other hand, provide a kind of notebook, having comprised:
Computer body,
The DC power supply interface is arranged on the described computer body;
Adapter, described adapter comprises:
Input is used to connect external communication;
The ac/dc modular converter is used for described alternating current is converted to direct current;
Output is used to export described direct current;
The alternating current switch is connected on the alternating current transmission line between described modular converter and the described input,
Wherein, when described output is extracted described direct current interface, disconnect described modular converter and be connected with alternating current between the described input; When described output inserts described direct current interface, be communicated with described modular converter and be connected with alternating current between the described input.
Preferably, in the above-mentioned notebook, described alternating current switch comprises:
Sliding part is set on the mandrel of described output,
Conductor loops is arranged on the described sliding part;
The first conductor semi-ring is connected with described input
The second conductor semi-ring is connected with described modular converter;
Wherein, when described output was extracted the direct current interface of power consumption equipment, described conductor loops and the described first conductor semi-ring and the described second conductor semi-ring were separated;
When described output inserted the direct current interface of described power consumption equipment, described conductor loops contacted with described first conductor semi-ring and the described second conductor semi-ring.
Preferably, in the above-mentioned notebook, described alternating current switch comprises:
Conductor loops is arranged on the inwall of described output;
First spring contact is electrically connected with described conductor loops;
Second spring contact is electrically connected with described conductor loops;
The first conductor semi-ring is connected with described input
The second conductor semi-ring is connected with described modular converter;
Wherein, when described output was extracted the direct current interface of power consumption equipment, described first spring contact and the described first conductor semi-ring were separated, and described second spring contact and the described second conductor semi-ring are separated;
When described output inserted the direct current interface of described power consumption equipment, described first spring contact contacted with the described first conductor semi-ring, and described second spring contact contacts with the described second conductor semi-ring.
Another aspect provides a kind of adapter section method for electrically, and described adapter comprises input, ac/dc modular converter and output, and described method comprises:
When described output is extracted the direct current interface of power consumption equipment, disconnect described modular converter and be connected with alternating current between the described input;
When described output inserts the direct current interface of described power consumption equipment, be communicated with described modular converter and be connected with alternating current between the described input.
Another aspect provides a kind of adapter, comprising:
Input is used to connect external communication;
The ac/dc modular converter is used for described alternating current is converted to direct current;
Output is used to export described direct current;
Slide switch, be arranged in the plug of described output, be connected on the alternating current transmission line between described ac/dc modular converter and the described input, described slide switch comprises a sliding part, when described output is extracted the direct current interface of power consumption equipment, described sliding position is in primary importance, and described slide switch disconnects described modular converter and is connected with alternating current between the described input;
When described output inserted the direct current interface of power consumption equipment, described sliding position was in the second place, and described slide switch is communicated with described modular converter and is connected with alternating current between the described input.
Preferably, in the above-mentioned adapter, described adapter also comprises: an elastic component, by this elastic component, described sliding part is against described primary importance.
Preferably, in the above-mentioned adapter, described elastic component is spring, spring washer or elastic caoutchouc packing ring.
Preferably, in the above-mentioned adapter, described sliding part is set on the mandrel of described plug,
Described switch also comprises:
Conductor loops is arranged on the described sliding part;
The first conductor semi-ring is connected with described input
The second conductor semi-ring is connected with described ac/dc modular converter,
Wherein, in described primary importance, described conductor loops and the described first conductor semi-ring and the described second conductor semi-ring are separated; In the described second place, described conductor loops contacts with described first conductor semi-ring and the described second conductor semi-ring.
On the one hand, provide a kind of adapter section method for electrically again, described adapter comprises input, ac/dc modular converter and output, and described method comprises:
When the output of described adapter is extracted the direct current interface of power consumption equipment, utilize the described modular converter of a slide switch automatic disconnection to be connected with alternating current between the described input;
When described output inserted the direct current interface of described power consumption equipment, the contact effect by described direct current interface made described slide switch be communicated with described modular converter to be connected with alternating current between the described input.
Preferably, in the above-mentioned method, describedly utilize the alternating current step of connecting between described modular converter of a slide switch automatic disconnection and the described input specifically to comprise:
The sliding part of described slide switch is provided with a conductor loops;
Described slide switch is provided with the first conductor semi-ring and the second conductor semi-ring, and the described first conductor semi-ring connects described input, and the described second conductor semi-ring connects described modular converter;
By spring with described sliding part contact in primary importance, in described primary importance, described conductor loops and the described first conductor semi-ring and the described second conductor semi-ring are separated.
Preferably, in the above-mentioned method, the alternating current step of connecting that described contact effect by described direct current interface is communicated with between described modular converter and the described input described slide switch specifically comprises:
By described direct current interface with described sliding part contact in the second place, in the described second place, described conductor loops contacts with described first conductor semi-ring and the described second conductor semi-ring.
There is following technique effect at least in the embodiment of the invention:
1) embodiment of the invention is under idle condition, the alternating current of automatic disconnection AC-DC modular converter, the zero-power in the time of can making adapter realize standby;
2) the ingenious thrust of having utilized the elastic force and the laptop joint of spring of the embodiment of the invention is connected alternating current or automatic disconnection alternating current automatically by alternating current switch realization AC-DC modular converter, implements simply to save cost.
Description of drawings
The structure chart of the adapter that Fig. 1 provides for first embodiment of the invention;
The circuit connection diagram of the adapter that Fig. 2 provides for first embodiment of the invention;
The flow chart of the method that Fig. 3 provides for first embodiment of the invention;
The structure chart of the adapter that Fig. 4 provides for second embodiment of the invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention is clearer, specific embodiment is described in detail below in conjunction with accompanying drawing.
The embodiment of the invention provides a kind of adapter, comprising: input is used to connect external communication; The ac/dc modular converter is used for described alternating current is converted to direct current; Output is used to export described direct current; Described adapter also comprises: an alternating current switch, be connected on the alternating current transmission line between described modular converter and the described input, wherein, described alternating current switch is used for when described output is extracted the direct current interface of power consumption equipment, disconnects described modular converter and is connected with alternating current between the described input; When described output inserts the direct current interface of described power consumption equipment, be communicated with described modular converter and be connected with alternating current between the described input.
The embodiment of the invention is that the direct current output plug (dc output end) of adapter is done structural improvement, makees an alternating current switch in plug, removes to control the 220V zero line of directly guiding in the plug.Have only after plug is inserted on the notebook computer, this switch is just connected, and the 220V input of adapter just can be effectively; After plug was extracted, this switch disconnected, and 220V is cut off fully, and the AC-DC module of adapter quits work fully, has accomplished the zero stand-by power consumption when adapter is non-loaded.
The structure chart of the adapter that Fig. 1 provides for first embodiment of the invention, as shown in the figure, the adapter of the embodiment of the invention comprises:
Ac/dc modular converter 130 (referring to Fig. 2) is used for described alternating current is converted to direct current;
Described adapter also comprises slide switch, this slide switch is connected on the alternating current transmission line between ac/dc modular converter 130 and the described input 110, described slide switch comprises a sliding part (slide block) 101, when described output is extracted the direct current interface of power consumption equipment (output of described adapter is unloaded situation), described sliding position is in primary importance, and described slide switch disconnects described modular converter and is connected with alternating current between the described input;
When described output inserts the direct current interface of power consumption equipment (described adapter output is the situation of load), described sliding position is in the second place, and described slide switch is communicated with described modular converter and is connected with alternating current between the described input.
Now describe the structure and the action principle of adapter in detail:
The power connection structure 200 of notebook computer has been showed on the left side among Fig. 1; The effect after general power adapter plug structure is modified has been showed on the right.Adaper plug after the improvement mainly increased slide block 101 and with slide block be the conductor loops 102 of one, also increased the conductor semi-ring 103 that links to each other with alternating current wires AC2 respectively simultaneously, the conductor semi-ring 104 that links to each other with alternating current wires AC1.
Its course of work is as follows, adaper plug is not when inserting the power connection of notebook computer, slide block 101 makes conductor loops 102 all not contact (primary importance) with conductor semi-ring 103 with conductor semi-ring 104 under the effect of spring 105, and alternating current wires AC1 and AC2 are off-states like this.And when plug was inserted in the power connection of notebook computer, the internal boss of power connection can be pressed slide block 101 toward the inside, and slide block 101 is moved to the inside.When slotting good, make that the conductor loops 102 on the slide block 101 contacts with conductor semi-ring 104 simultaneously with conductor semi-ring 103, thereby be communicated with alternating current wires AC1 and AC2.
Network of wires AC1 among Fig. 2, AC2, DC+, DC-correspond respectively to the network of wires of the same name among Fig. 1, also are provided with fuse 140 on the alternating current connecting line in addition.From to the description of Fig. 1 as can be known, when adaper plug did not inject the power connection of notebook computer, AC1 and AC2 disconnected, like this, for the AC-DC module (ac/dc modular converter) 130 of adapter, alternating current does not fully imitate, so the power consumption that whole adapter can be not any yet.When adaper plug injects the power connection of notebook computer, AC1 is communicated with AC2, alternating current can be input to the AC-DC module in the adapter, this moment the DC+ in the plug, DC-also just in time connects with the power connection of notebook computer, just has the needed direct current output of notebook computer like this in the plug of adapter.
As can be seen, the embodiment of the invention makes to have only when adaper plug injects the power connection of notebook computer from top description, and the AC-DC module 130 of adapter just has output; And when adaper plug did not inject the power connection of notebook computer, the alternating current of the AC-DC module 130 of adapter was completely severed, and this moment, adapter did not have any stand-by power consumption.Solved the problem that there is stand-by power consumption in adapter when the user does not pull out alternating current fully.
In addition, in the first embodiment of the invention, the function of spring can be by other elastic components realizations, for example: spring washer or elastic caoutchouc packing ring.The alternating current that the ac/dc modular converter is connected is not restricted to 220V yet, can also be 380V.
Corresponding above adapter, the embodiment of the invention also provides a kind of adapter section method for electrically, and as shown in Figure 3, described method comprises:
Step 301 under the output of described adapter is unloaded condition, utilizes the described modular converter of a slide switch automatic disconnection to be connected with alternating current between the described input;
Step 302 is under the condition of load at described output, and the contact effect by described load makes described slide switch be communicated with described modular converter to be connected with alternating current between the described input.
The structure chart of the adapter that Fig. 4 provides for second embodiment of the invention, as shown in the figure, with Fig. 1 difference be, make conductor semi-ring 404 variation take place with the mode that conductor semi-ring 403 is communicated with, not to adopt slide block, but adopted spring contact 401,402.The course of work is as follows,
When adapter output plug is inserted into 410 li of the power connections of notebook computer, insertion gradually along with adapter output plug, spring contact 401 and spring contact 402 are subjected to inner core 411 extruding of power connection simultaneously, can closely contact with conductor semi-ring 403 up to spring contact 401, spring contact 402 can closely contact with conductor semi-ring 404.And spring contact 401,402 is connected in one by conductor loops 405, wherein, this conductor loops 405 is to be embedded on the inwall of output, therefore, be inserted into gradually in the process of power connection 410 at adapter output plug, can not stop the relative motion of adapter output plug and power connection 410, so this moment, alternating current AC1 and AC2 were switched on, connect power supply for AC-DC module in the adapter, made the adapter operate as normal.When adapter output plug when 410 li of the power connections of notebook computer are extracted, along with extracting gradually of adapter output plug, spring contact 401 and spring contact 402 no longer are subjected to the extruding of the inner core 411 of power connection, spring contact 401 separates with conductor semi-ring 403, spring contact 402 separates with conductor semi-ring 404, at this moment, AC1 and AC2 disconnect, like this for the AC-DC module of adapter, alternating current does not fully imitate, so the power consumption that whole adapter can be not any yet, thereby solved the problem that there is stand-by power consumption in adapter when the user does not pull out alternating current fully.
The embodiment of the invention also provides a kind of notebook, comprising: computer body, and the DC power supply interface is arranged on the described computer body; Adapter, described adapter comprises: input is used to connect external communication; The ac/dc modular converter is used for described alternating current is converted to direct current; Output is used to export described direct current; The alternating current switch is connected on the alternating current transmission line between described modular converter and the described input, wherein, when described output is extracted described direct current interface, disconnects described modular converter and is connected with alternating current between the described input; When described output inserts described direct current interface, be communicated with described modular converter and be connected with alternating current between the described input.
As from the foregoing, adopt embodiment of the invention advantage afterwards to be:
1) embodiment of the invention is under idle condition, the alternating current of automatic disconnection AC-DC modular converter, the zero-power in the time of can making adapter realize standby;
2) the ingenious thrust of having utilized the elastic force and the laptop joint of spring of the embodiment of the invention is connected alternating current or automatic disconnection alternating current automatically by alternating current switch realization AC-DC modular converter, implements simply to save cost.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (14)
1. adapter comprises:
Input is used to connect external communication;
The ac/dc modular converter is used for described alternating current is converted to direct current;
Output is used to export described direct current;
It is characterized in that described adapter also comprises:
One alternating current switch is connected on the alternating current transmission line between described modular converter and the described input, wherein,
Described alternating current switch is used for when described output is extracted the direct current interface of power consumption equipment, disconnects described modular converter and is connected with alternating current between the described input;
When described output inserts the direct current interface of described power consumption equipment, be communicated with described modular converter and be connected with alternating current between the described input.
2. adapter according to claim 1 is characterized in that, described alternating current switch comprises:
Sliding part is set on the mandrel of described output,
Conductor loops is arranged on the described sliding part;
The first conductor semi-ring is connected with described input;
The second conductor semi-ring is connected with described modular converter;
Wherein, when described output was extracted the direct current interface of power consumption equipment, described conductor loops and the described first conductor semi-ring and the described second conductor semi-ring were separated;
When described output inserted the direct current interface of described power consumption equipment, described conductor loops contacted with described first conductor semi-ring and the described second conductor semi-ring.
3. adapter according to claim 1 is characterized in that, described alternating current switch comprises:
Conductor loops is arranged on the inwall of described output;
First spring contact is electrically connected with described conductor loops;
Second spring contact is electrically connected with described conductor loops;
The first conductor semi-ring is connected with described input;
The second conductor semi-ring is connected with described modular converter;
Wherein, when described output was extracted the direct current interface of power consumption equipment, described first spring contact and the described first conductor semi-ring were separated, and described second spring contact and the described second conductor semi-ring are separated;
When described output inserted the direct current interface of described power consumption equipment, described first spring contact contacted with the described first conductor semi-ring, and described second spring contact contacts with the described second conductor semi-ring.
4. notebook comprises:
Computer body,
The DC power supply interface is arranged on the described computer body;
Adapter is characterized in that, described adapter comprises:
Input is used to connect external communication;
The ac/dc modular converter is used for described alternating current is converted to direct current;
Output is used to export described direct current;
The alternating current switch is connected on the alternating current transmission line between described modular converter and the described input,
Wherein, when described output is extracted described direct current interface, disconnect described modular converter and be connected with alternating current between the described input; When described output inserts described direct current interface, be communicated with described modular converter and be connected with alternating current between the described input.
5. notebook according to claim 4 is characterized in that, described alternating current switch comprises:
Sliding part is set on the mandrel of described output,
Conductor loops is arranged on the described sliding part;
The first conductor semi-ring is connected with described input;
The second conductor semi-ring is connected with described modular converter;
Wherein, when described output was extracted the direct current interface of power consumption equipment, described conductor loops and the described first conductor semi-ring and the described second conductor semi-ring were separated;
When described output inserted the direct current interface of described power consumption equipment, described conductor loops contacted with described first conductor semi-ring and the described second conductor semi-ring.
6. notebook according to claim 4 is characterized in that, described alternating current switch comprises:
Conductor loops is arranged on the inwall of described output;
First spring contact is electrically connected with described conductor loops;
Second spring contact is electrically connected with described conductor loops;
The first conductor semi-ring is connected with described input;
The second conductor semi-ring is connected with described modular converter;
Wherein, when described output was extracted the direct current interface of power consumption equipment, described first spring contact and the described first conductor semi-ring were separated, and described second spring contact and the described second conductor semi-ring are separated;
When described output inserted the direct current interface of described power consumption equipment, described first spring contact contacted with the described first conductor semi-ring, and described second spring contact contacts with the described second conductor semi-ring.
7. adapter section method for electrically, described adapter comprises input, ac/dc modular converter and output, it is characterized in that, described method comprises:
When described output is extracted the direct current interface of power consumption equipment, disconnect described modular converter and be connected with alternating current between the described input;
When described output inserts the direct current interface of described power consumption equipment, be communicated with described modular converter and be connected with alternating current between the described input.
8. an adapter is characterized in that, comprising:
Input is used to connect external communication;
The ac/dc modular converter is used for described alternating current is converted to direct current;
Output is used to export described direct current;
Slide switch, be arranged in the plug of described output, be connected on the alternating current transmission line between described ac/dc modular converter and the described input, described slide switch comprises a sliding part, when described output is extracted the direct current interface of power consumption equipment, described sliding position is in primary importance, and described slide switch disconnects described modular converter and is connected with alternating current between the described input;
When described output inserted the direct current interface of power consumption equipment, described sliding position was in the second place, and described slide switch is communicated with described modular converter and is connected with alternating current between the described input.
9. adapter according to claim 8 is characterized in that, described adapter also comprises:
One elastic component, by this elastic component, described sliding part is against described primary importance.
10. adapter according to claim 9 is characterized in that, described elastic component is spring, spring washer or elastic caoutchouc packing ring.
11. adapter according to claim 8 is characterized in that,
Described sliding part is set on the mandrel of described plug,
Described slide switch also comprises:
Conductor loops is arranged on the described sliding part;
The first conductor semi-ring is connected with described input;
The second conductor semi-ring is connected with described ac/dc modular converter,
Wherein, in described primary importance, described conductor loops and the described first conductor semi-ring and the described second conductor semi-ring are separated; In the described second place, described conductor loops contacts with described first conductor semi-ring and the described second conductor semi-ring.
12. an adapter section method for electrically, described adapter comprises input, ac/dc modular converter and output, it is characterized in that, described method comprises:
When the output of described adapter is extracted the direct current interface of power consumption equipment, utilize the described modular converter of a slide switch automatic disconnection to be connected with alternating current between the described input;
When described output inserted the direct current interface of described power consumption equipment, the contact effect by described direct current interface made described slide switch be communicated with described modular converter to be connected with alternating current between the described input.
13. method according to claim 12 is characterized in that, describedly utilizes the alternating current step of connecting between described modular converter of a slide switch automatic disconnection and the described input specifically to comprise:
The sliding part of described slide switch is provided with a conductor loops;
Described slide switch is provided with the first conductor semi-ring and the second conductor semi-ring, and the described first conductor semi-ring connects described input, and the described second conductor semi-ring connects described modular converter;
By spring with described sliding part contact in primary importance, in described primary importance, described conductor loops and the described first conductor semi-ring and the described second conductor semi-ring are separated.
14. method according to claim 13 is characterized in that, the alternating current step of connecting that described contact effect by described direct current interface is communicated with between described modular converter and the described input described slide switch specifically comprises:
By described direct current interface with described sliding part contact in the second place, in the described second place, described conductor loops contacts with described first conductor semi-ring and the described second conductor semi-ring.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810227032 CN101740955B (en) | 2008-11-19 | 2008-11-19 | Adapter, notebook computer and energy saving method for adapter |
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| CN 200810227032 CN101740955B (en) | 2008-11-19 | 2008-11-19 | Adapter, notebook computer and energy saving method for adapter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013029224A1 (en) * | 2011-08-29 | 2013-03-07 | Huo Weimin | Power supply adapter with zero standby power consumption |
| CN103545851A (en) * | 2012-07-10 | 2014-01-29 | 国基电子（上海）有限公司 | Charger |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1006906B (en) * | 1955-03-29 | 1957-04-25 | Telefunken Gmbh | Suitcase radio receiver for battery and mains operation |
| SE320720B (en) * | 1966-10-06 | 1970-02-16 | Asea Ab |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013029224A1 (en) * | 2011-08-29 | 2013-03-07 | Huo Weimin | Power supply adapter with zero standby power consumption |
| CN103545851A (en) * | 2012-07-10 | 2014-01-29 | 国基电子（上海）有限公司 | Charger |
| CN103545851B (en) * | 2012-07-10 | 2015-11-25 | 国基电子（上海）有限公司 | Charger |
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