CN201440238U - Power saving circuit for electronic device - Google Patents
Power saving circuit for electronic device Download PDFInfo
- Publication number
- CN201440238U CN201440238U CN2009203034220U CN200920303422U CN201440238U CN 201440238 U CN201440238 U CN 201440238U CN 2009203034220 U CN2009203034220 U CN 2009203034220U CN 200920303422 U CN200920303422 U CN 200920303422U CN 201440238 U CN201440238 U CN 201440238U
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- China
- Prior art keywords
- battery
- trigger
- triode
- electrically connects
- switch element
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- Expired - Fee Related
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Abstract
The utility model provides a power saving circuit for an electronic device, which is connected between a battery and a mainframe and comprises a trigger end. The trigger end receives external trigger signals and is electrically connected with a switch unit which comprises a control end, a battery end and a mainframe end, wherein the control end is electrically connected with the trigger end; the battery end is electrically connected with the battery; the mainframe end is electrically connected with the mainframe; before the trigger end receives the trigger signals, the battery end and the mainframe end are disconnected; and after the trigger end receives the trigger signals, the battery end and the mainframe end which are previously disconnected are then conducted with each other. Before the electronic device leaves the factory, the battery end and the mainframe end of the electronic device are disconnected, so the battery does not consume power during the subsequent transport and even after a long time of transport, the battery remains the original power quantity for initial use.
Description
[technical field]
The utility model is a kind of power-saving circuit relevant for a kind of electronic installation, particularly a kind of when off-mode the power-saving circuit of the electronic installation of power consumption no longer.
[background technology]
Arriving along with the information age, electronic installation becomes one of main tool of people's acquired information, wherein notebook is except being that the consumer is the commodity of normal selection, manufacturer endeavours exploitation and makes its more perfectly market product especially, finish in notebook pc at present and prepare in the shipment process, manufacturer can be with the battery charge of notebook to the semi-saturation state and be installed in the notebook, yet notebook still can consume the electric weight of 5mA to 8mA under off-mode, cross when of a specified duration when transporting process time, tend to make the battery over-discharge can, and can't start shooting, then can cause battery shortening in serviceable life when serious, this reason is that electronic installation is under off-mode, its Keyboard Control unit still can power consumption, though the Keyboard Control unit can enter battery saving mode,, still can cause the problems referred to above if it is of a specified duration excessively to transport process time.
The China's Mainland patented claim discloses a kind of power-saving circuit and electricity saving method thereof of electronic installation for No. 200610123166.8, under off-mode, stop a Keyboard Control unit (keyboard controller, KBC) power supply, its power-saving circuit includes: first switch, to receive one first voltage; One starting switch is connected with first switch, starts or shutdown in order to the control electronic installation, and when electronic installation shut down, starting switch disconnected and first switch disconnects; And a voltage conversion unit, be connected with first switch, receive first voltage and export second voltage to the Keyboard Control unit, when first switch disconnects, stop to provide second voltage, the battery power consumption when reducing the electronic installation off-mode to this Keyboard Control unit.
Yet, the battery power consumption when though the China's Mainland patented claim can reduce the electronic installation off-mode No. 200610123166.8, promptly, be equivalent to prolong the electric weight holding time of battery, but the battery power consumption in the time of can not avoiding the electronic installation off-mode fully, but if the time that electronic installation is in off-mode passes when of a specified duration, the electric weight in the battery also can exhaust, and the situation that can't start shooting also may occur.
[summary of the invention]
Fundamental purpose of the present utility model be to provide a kind of when off-mode the power-saving circuit of the electronic installation of power consumption no longer.
For reaching above-mentioned purpose, the utility model provides a kind of power-saving circuit of electronic installation, is connected between battery and the main frame; And described power-saving circuit comprises trigger end, and described trigger end receives outer triggering signal; And described trigger end electrically connects switch element, described switch element comprises control end, battery-end and host side, wherein, described control end electrically connects trigger end, and described battery-end electrically connects battery, and described host side electrically connects main frame, and before described trigger end receives trigger pip, be in off-state between battery-end and the host side, after trigger end receives trigger pip, transfer conducting state to by off-state between battery-end and the host side.
Compared with prior art, electronic installation of the present utility model keeps off-state between battery-end and the host side before dispatching from the factory, then in the follow-up no longer power consumption of battery in the process of transporting, even after experience the transporting for a long time, battery still keeps original electric weight for initial use.Have only when the terminal user need try out or use, receive outer triggering signal by trigger end, transfer conducting state by off-state and make between battery-end and the host side, battery just begins power consumption, thereby guarantees that battery has enough electric weight to use when initial the use.
[description of drawings]
Fig. 1 is the circuit diagram of first embodiment of the power-saving circuit of the utility model electronic installation.
Fig. 2 is the circuit diagram of second embodiment of the power-saving circuit of the utility model electronic installation.
[embodiment]
See also Figure 1 and Figure 2, the power-saving circuit 10 of the utility model electronic installation is connected between battery 20 and the main frame 30; And described power-saving circuit 10 comprises trigger end 11, and described trigger end 11 receives outer triggering signal, and wherein, described outer triggering signal can be the charging trigger pip, that is, the terminal user charges to electronic installation by charger (figure does not show); And described trigger end 11 electrically connects switch element 12, described switch element 12 comprises control end 121, battery-end 122 and host side 123, wherein, described control end 121 electrically connects trigger end 11, described battery-end 122 electrically connects battery 20, described battery-end 122 is connected with the plug-in that is connected between the battery 20, described host side 123 electrically connects main frame 30, and before described trigger end 11 receives trigger pip, be in off-state between battery-end 122 and the host side 123, after trigger end 11 receives trigger pip, transfer conducting state to by off-state between battery-end 122 and the host side 123.
In first embodiment, described switch element 12 is a triode thyrister, and wherein, the control end of switch element 12 is the control utmost point of triode thyrister, the battery-end of switch element 12 is the anode of triode thyrister, and the host side of switch element 12 is the negative electrode of triode thyrister.
In second embodiment, described switch element 12 is that the complementary type triode is to pipe, it comprises PNP triode 124 and NPN triode 125, wherein, the emitter of PNP triode 124 electrically connects battery 20, the collector of described PNP triode 124 electrically connects the base stage of trigger end 11 and NPN triode 125, and the base stage of described PNP triode 124 electrically connects the collector of NPN triode 125, and the emitter of described NPN triode 125 electrically connects main frame 30.
Electronic installation of the present utility model is before dispatching from the factory, keep off-state between battery-end 122 and the host side 123, then in the follow-up no longer power consumption of battery 20 in the process of transporting, even after experience the transporting for a long time, battery 20 still keeps original electric weight for initial use.The terminal user has only when need try out or use, receive outer triggering signal by trigger end 11, transfer conducting state by off-state and make between battery-end 122 and the host side 123, battery 20 just begins power consumption, thereby guarantees that battery 20 has enough electric weight to use when initial the use.
If after using, need to continue long-time shutdown and preserve, can carry out battery 20 and pull away and insert operation, and make electronic installation return to the shutdown power down mode.Concrete operations: earlier battery 20 is pulled away from battery-end 122, then, battery 20 is inserted into battery-end 122, so that be in off-state between battery-end 122 and the host side 123.Principle of work is as follows, and battery 20 can make between switch element 12 and the battery 20 to keep electrically disconnecting after battery-end 122 pulls away, and makes switch element 12 off-states, then can make main frame 30 and battery 20 keep electrically disconnecting; Insert battery 20 once more to battery-end 122, though electrically connect between switch element 12 and the battery 20, under the situation of Triggerless, switch element 12 still is in off-state, at this moment, electrically disconnects between main frame 30 and the battery 20, and battery 20 can power consumption.
Claims (5)
1. the power-saving circuit of an electronic installation is connected between battery and the main frame; It is characterized in that comprising:
Trigger end, it receives outer triggering signal;
Switch element, it electrically connects trigger end, and described switch element comprises control end, battery-end and host side, and wherein, described control end electrically connects trigger end, described battery-end electrically connects battery, described host side electrically connects main frame, and described trigger end is in off-state between battery-end and the host side before receiving trigger pip, after trigger end receives trigger pip, transfer conducting state to by off-state between battery-end and the host side.
2. the power-saving circuit of electronic installation according to claim 1, it is characterized in that: described switch element is a triode thyrister, wherein, the control end of switch element is the control utmost point of triode thyrister, the battery-end of switch element is the anode of triode thyrister, and the host side of switch element is the negative electrode of triode thyrister.
3. the power-saving circuit of electronic installation according to claim 1, it is characterized in that: described switch element is that the complementary type triode is to pipe, it comprises PNP triode and NPN triode, wherein, the emitter of PNP triode electrically connects battery, the collector of described PNP triode electrically connects the base stage of trigger end and NPN triode, and the base stage of described PNP triode electrically connects the collector of NPN triode, and the emitter of described NPN triode electrically connects main frame.
4. the power-saving circuit of electronic installation according to claim 1, it is characterized in that: described outer triggering signal can be the charging trigger pip.
5. the power-saving circuit of electronic installation according to claim 1 is characterized in that: described battery-end is connected with the plug-in that is connected between the battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203034220U CN201440238U (en) | 2009-05-21 | 2009-05-21 | Power saving circuit for electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203034220U CN201440238U (en) | 2009-05-21 | 2009-05-21 | Power saving circuit for electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201440238U true CN201440238U (en) | 2010-04-21 |
Family
ID=42544901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203034220U Expired - Fee Related CN201440238U (en) | 2009-05-21 | 2009-05-21 | Power saving circuit for electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201440238U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104111719A (en) * | 2014-06-25 | 2014-10-22 | 小米科技有限责任公司 | Method and device for controlling battery to be disconnected from main equipment |
-
2009
- 2009-05-21 CN CN2009203034220U patent/CN201440238U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104111719A (en) * | 2014-06-25 | 2014-10-22 | 小米科技有限责任公司 | Method and device for controlling battery to be disconnected from main equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100421 Termination date: 20130521 |