CN104795849A - Charging indicating device and charging indicating method - Google Patents
Charging indicating device and charging indicating method Download PDFInfo
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- CN104795849A CN104795849A CN201410021382.6A CN201410021382A CN104795849A CN 104795849 A CN104795849 A CN 104795849A CN 201410021382 A CN201410021382 A CN 201410021382A CN 104795849 A CN104795849 A CN 104795849A
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- frequency elimination
- charge indication
- backlight module
- frequency
- signal
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Abstract
The invention provides a charging indicating device and a charging indicating method. Frequency division is performed on a switching signal for controlling the operating frequency of a power conversion circuit to obtain a frequency division signal, and a backlight module is controlled according to the frequency division signal to send out a backlight source as a charging indicating signal.
Description
Technical field
The invention relates to a kind of electronic installation, and relate to a kind of charge indication means and method especially.
Background technology
Electronic product now, as mobile phone or panel computer, after battery electric power is lower than a certain critical value, charge even if plug charger, also cannot will start shooting because charger exports finite energy, user all cannot produce any reaction by any button.Charging must be continued 2 ~ 3 minutes, the electric power making the battery storage enough and transient energy needed for booting moment can be provided, such as, after first allowing battery be charged to the electricity of 3% or higher, could start shooting smoothly.But have many electronic products to there is no any indicator lamp signal on the market at present, therefore, when above-mentioned battery electric power is not enough, even if in the charge state, user has pressed key and also cannot start shooting, also cannot find out that whether system is normal from cresset, thus easily cause the puzzlement of user.
Summary of the invention
The invention provides a kind of charge indication means and method, the electronic installation of application charge indication means and method can be made when electricity is lower than transient energy needed for booting moment, also can show its charged state.
Charge indication means of the present invention, is applicable to an electronic installation, and charge indication means comprises backlight module, frequency elimination unit and backlight controller.Wherein frequency elimination unit frequency elimination is in order to control the switching signal of the frequency of operation of power-switching circuit, to produce frequency elimination signal.Backlight controller couples backlight module and frequency elimination unit, sends back light as charging index signal according to frequency elimination signal controlling backlight module.
In one embodiment of this invention, above-mentioned backlight module comprises multiple light emitting diode, and backlight controller comprises driver element and multiple switch.Wherein driver element couples above-mentioned multiple light emitting diode, drives above-mentioned multiple light emitting diode to send back light to make it.Above-mentioned multiple switchgear distribution is on the access path of above-mentioned multiple light emitting diode and driver element, and the conducting state of these switches is controlled by this frequency elimination signal.
In one embodiment of this invention, above-mentioned frequency elimination signal comprises multiple sub-frequency elimination signal, and each sub-frequency elimination signal has different frequencies.
In one embodiment of this invention, above-mentioned charge indication means, also comprises liquid crystal panel and timing controller.Wherein timing controller couples frequency elimination unit and liquid crystal panel, presets picture according to the display of frequency elimination signal controlling liquid crystal panel.
In one embodiment of this invention, above-mentioned default picture is sprite.
In one embodiment of this invention, above-mentioned frequency elimination unit is counter.
The charge indication methods of charge indication means of the present invention, is applicable to electronic installation, and charge indication methods comprises the following steps.Frequency elimination in order to control the switching signal of the frequency of operation of power-switching circuit, to produce frequency elimination signal.Backlight module according to frequency elimination signal controlling electronic installation sends back light as charging index signal.
In one embodiment of this invention, above-mentioned backlight module comprises multiple light emitting diode, the step that backlight module according to frequency elimination signal controlling electronic installation sends back light comprises, and carries out luminescence respectively according to the above-mentioned multiple light emitting diode of frequency elimination signal controlling with different glow frequencies.
In one embodiment of this invention, above-mentioned backlight module comprises multiple light emitting diode, the step that backlight module according to frequency elimination signal controlling electronic installation sends back light comprises, and the above-mentioned multiple light emitting diode according to this frequency elimination signal control portion carries out luminescence.
In one embodiment of this invention, above-mentioned charge indication methods also comprises, and picture is preset in the liquid crystal panel display according to frequency elimination signal controlling electronic installation.
In one embodiment of this invention, above-mentioned default picture is sprite.
Based on above-mentioned, embodiments of the invention, by carrying out frequency elimination to the switching signal of the frequency of operation controlling power-switching circuit, to obtain frequency elimination signal, and send back light as charging index signal according to frequency elimination signal controlling backlight module.The electronic installation of application charge indication means and method thereof so just can be made when electricity is lower than transient energy needed for booting moment, also can show its charged state.
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and shown in coordinating, accompanying drawing is described in detail below.
Accompanying drawing explanation
Fig. 1 illustrates the schematic diagram of the charge indication means of one embodiment of the invention;
Fig. 2 illustrates the schematic diagram of the charge indication means of another embodiment of the present invention;
Fig. 3 illustrates the schematic diagram of the charge indication means of another embodiment of the present invention;
Fig. 4 illustrates the charge indication methods schematic diagram of the charge indication means of one embodiment of the invention;
Fig. 5 illustrates the charge indication methods schematic diagram of the charge indication means of another embodiment of the present invention.
Description of reference numerals:
102: frequency elimination unit;
104: backlight controller;
106: backlight module;
202: driver element;
302: timing controller;
304: liquid crystal panel;
S1: switching signal;
S2: frequency elimination signal;
SW1 ~ SW3: switch;
D1 ~ D3: light emitting diode;
SC1 ~ SC3: sub-frequency elimination signal;
S402 ~ S404, S502: the charge indication methods step of charge indication means.
Embodiment
Fig. 1 illustrates the schematic diagram of the charge indication means of one embodiment of the invention, please refer to Fig. 1.Charge indication means can such as be applied to the portable electronic installations such as mobile phone, panel computer or notebook computer, charge indication means comprises frequency elimination unit 102, backlight controller 104 and backlight module 106, and wherein backlight controller 104 couples frequency elimination unit 102 and backlight module 106.Frequency elimination unit 102 can receive switching signal S1, and produces frequency elimination signal S2 to its frequency elimination, and frequency elimination unit 102 can be such as counter, so not as limit.Switching signal S1 is in order to control the frequency of operation of the power-switching circuit (not shown) switching electronic installation, and voltage required when power-switching circuit becomes electronic installation internal circuit to operate in order to the voltage transitions provided by the battery of electronic installation.Backlight controller 104 can control backlight module 106 according to frequency elimination signal S2 and send back light as charging index signal.
As mentioned above, control backlight module 106 owing to driving backlight controller 104 and send voltage needed for back light much smaller than the transient voltage needed for start, even if therefore the battery electric quantity of electronic installation is lower than the voltage needed for start, still send back light to indicate the charged state of user's electronic installation by backlight controller 104 Direct driver backlight module 106.In addition, the back light merely sent using backlight module due to the present embodiment is as index signal, therefore chip must be set in an electronic in addition to control the charging indicator diagram (such as showing a cell pattern) of the LCD version display complexity of electronic installation yet, and the manufacturing cost of electronic installation can be saved.
Fig. 2 illustrates the schematic diagram of the charge indication means of another embodiment of the present invention, please refer to Fig. 2.Backlight controller 104 can comprise driver element 202 and multiple interrupteur SW 1 ~ SW3 in the present embodiment, and backlight module 106 can comprise multiple light emitting diode D1 ~ D3 in addition.Wherein interrupteur SW 1 ~ SW3 is configured between corresponding light emitting diode D1 ~ D3 and driver element 202 respectively, interrupteur SW 1 ~ SW3 can such as shown in Fig. 2, implement with transistor, in addition each light emitting diode can such as be formed, so not as limit with multiple light-emitting diodes of serial connection.
Driver element 202 couples light emitting diode D1 ~ D3, and driver element 202 can drive light emitting diode D1 ~ D3 to send back light to make it.Frequency elimination unit 102 can produce the multiple sub-frequency elimination signal SC1 ~ SC3 with different frequency to switching signal S1 frequency elimination, and the conducting state of interrupteur SW 1 ~ SW3 is controlled by sub-frequency elimination signal SC1 ~ SC3 respectively.The conducting state so carrying out control switch SW1 ~ SW3 by the sub-frequency elimination signal SC1 ~ SC3 of different frequency can make light emitting diode D1 ~ D3 be lit in the different time, and the display effect reached as horse race lamp, and then inform the charged state of user's electronic installation by this.
It should be noted that above-described embodiment is only described for three interrupteur SW 1 ~ SW3 and three light emitting diode D1 ~ D3, so not as limit, in practical application, charge indication means also can comprise more switch and light emitting diode.In addition, in some embodiments, also can close completely or the interrupteur SW 1 ~ SW3 of opening section, indicate the charged state of electronic installation in the mode of region-type light modulation (local Dimming).
Fig. 3 illustrates the schematic diagram of the charge indication means of another embodiment of the present invention, please refer to Fig. 3.Charge indication means also comprises timing controller 302 and liquid crystal panel 304 in the present embodiment, and wherein timing controller 302 couples frequency elimination unit 102 and liquid crystal panel 304.The frequency elimination signal S2 that timing controller 302 can export according to frequency elimination unit 102 controls liquid crystal panel 304 and coordinates backlight module 106 to show a simply default picture, and such as one is white or blue sprite entirely.Must chip be set in addition in electronic installation can accomplishes because timing controller 302 shows this default picture, therefore the manufacturing cost of electronic installation can still be saved, and the liquid crystal molecule that can rearrange in liquid crystal panel, avoid electronic installation to demonstrate the picture of torsional deformation.
Fig. 4 illustrates the charge indication methods schematic diagram of the charge indication means of one embodiment of the invention.The charge indication methods of concluding above-mentioned charge indication means can comprise the following steps.First, frequency elimination in order to the switching signal of the frequency of operation of Switching power change-over circuit, to produce frequency elimination signal (step S402).Then, the backlight module according to frequency elimination signal controlling electronic installation sends back light as charging index signal (step S404).Wherein backlight module can comprise multiple light emitting diode, when backlight module according to frequency elimination signal controlling electronic installation sends back light, such as can control multiple light emitting diode and carry out luminescence with different glow frequencies respectively, to reach the display effect as horse race lamp, and then inform the charged state of user's electronic installation by this.In other embodiments, also the light emitting diode of only control section can carry out luminescence, indicate the charged state of user's electronic installation in the mode of region-type light modulation.
Fig. 5 illustrates the charge indication methods schematic diagram of the charge indication means of another embodiment of the present invention, please refer to Fig. 5.The charge indication methods of the charge indication means of the present embodiment and the difference of Fig. 4 embodiment are, the charge indication methods of the charge indication means of the present embodiment is after step S402, picture (step S502) is preset in liquid crystal panel display also according to frequency elimination signal controlling electronic installation, wherein presetting picture can be such as white or blue sprite entirely, so can avoid, when step S404 control backlight module sends back light, allowing electronic installation demonstrate the picture of torsional deformation.
In sum, the present invention is by carrying out frequency elimination to the switching signal of the frequency of operation controlling power-switching circuit, to obtain frequency elimination signal, and send back light as charging index signal according to frequency elimination signal controlling backlight module, to make the electronic installation of application charge indication means and method thereof also can show its charged state at electricity lower than during transient energy needed for booting moment, and save the manufacturing cost of electronic installation simultaneously.In some embodiments, also can coordinate the default picture of backlight module display according to frequency elimination signal controlling liquid crystal panel, avoid electronic installation while display charging index signal, occur the picture of torsional deformation.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (11)
1. a charge indication means, is applicable to an electronic installation, it is characterized in that, this charge indication means comprises:
One backlight module;
One frequency elimination unit, frequency elimination in order to control a switching signal of the frequency of operation of a power-switching circuit, to produce a frequency elimination signal; And
One backlight controller, couples this backlight module and this frequency elimination unit, sends a back light as a charging index signal according to this this backlight module of frequency elimination signal controlling.
2. charge indication means according to claim 1, is characterized in that, this backlight module comprises multiple light emitting diode, and this backlight controller comprises:
One driver element, couples those light emitting diodes, drives those light emitting diodes to send this back light to make it; And
Multiple switch, is configured on the access path of those light emitting diodes and this driver element, and the conducting state of those switches is controlled by this frequency elimination signal.
3. charge indication means according to claim 2, is characterized in that, this frequency elimination signal comprises multiple sub-frequency elimination signal, and respectively this sub-frequency elimination signal has different frequencies.
4. charge indication means according to claim 1, is characterized in that, also comprises:
One liquid crystal panel; And
One timing controller, couples this frequency elimination unit and this liquid crystal panel, presets picture according to this this liquid crystal panel of frequency elimination signal controlling display one.
5. charge indication means according to claim 4, is characterized in that, this default picture is a sprite.
6. charge indication means according to claim 1, is characterized in that, this frequency elimination unit is a counter.
7. a charge indication methods for charge indication means, is applicable to an electronic installation, it is characterized in that, this charge indication methods comprises:
Frequency elimination in order to control a switching signal of the frequency of operation of a power-switching circuit, to produce a frequency elimination signal; And
A backlight module according to this this electronic installation of frequency elimination signal controlling sends a back light as a charging index signal.
8. charge indication methods according to claim 7, is characterized in that, this backlight module comprises multiple light emitting diode, and the step that this backlight module according to this this electronic installation of frequency elimination signal controlling sends this back light comprises:
Luminescence is carried out with different glow frequencies respectively according to these those light emitting diodes of frequency elimination signal controlling.
9. charge indication methods according to claim 7, is characterized in that, this backlight module comprises multiple light emitting diode, and the step that this backlight module according to this this electronic installation of frequency elimination signal controlling sends this back light comprises:
Those light emitting diodes according to this frequency elimination signal control portion carry out luminescence.
10. charge indication methods according to claim 7, is characterized in that, also comprises:
Picture is preset in a liquid crystal panel display one according to this this electronic installation of frequency elimination signal controlling.
11. charge indication methods according to claim 10, is characterized in that, this default picture is a sprite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410021382.6A CN104795849B (en) | 2014-01-17 | 2014-01-17 | Charge indication means and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410021382.6A CN104795849B (en) | 2014-01-17 | 2014-01-17 | Charge indication means and method |
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| Publication Number | Publication Date |
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| CN104795849A true CN104795849A (en) | 2015-07-22 |
| CN104795849B CN104795849B (en) | 2019-01-22 |
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| CN201410021382.6A Active CN104795849B (en) | 2014-01-17 | 2014-01-17 | Charge indication means and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108776636A (en) * | 2018-06-26 | 2018-11-09 | Oppo广东移动通信有限公司 | Mobile terminal charge prompting method, apparatus and computing device |
| CN110148976A (en) * | 2018-02-12 | 2019-08-20 | 启碁科技股份有限公司 | Electronic device and its control method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1174633A (en) * | 1995-12-14 | 1998-02-25 | 菲利浦电子有限公司 | Apparatus comprising rechargeable battery and display on which the display symbols appearing during a cycle of use of the battery are displayed in an accelerated manner in a demonstration mode |
| TW200409922A (en) * | 2002-09-27 | 2004-06-16 | Seiko Instr Inc | Protection circuit for battery charge |
| CN101237728A (en) * | 2007-01-31 | 2008-08-06 | 中华映管股份有限公司 | LED backlight system and driving method of backlight source |
| US20090058793A1 (en) * | 2007-08-27 | 2009-03-05 | Samsung Electro-Mechanics Co., Ltd | Backlight unit for synchronization with an image signal for liquid crystal display |
| CN201829171U (en) * | 2010-06-28 | 2011-05-11 | 北京思旺电子技术有限公司 | Liquid crystal display (LCD) screen drive circuit capable of displaying capacity and battery charger |
| TW201344223A (en) * | 2012-04-26 | 2013-11-01 | Sy-Ruen Hung | The frequency of detection of the secondary battery remaining capacity of the method and display device |
-
2014
- 2014-01-17 CN CN201410021382.6A patent/CN104795849B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1174633A (en) * | 1995-12-14 | 1998-02-25 | 菲利浦电子有限公司 | Apparatus comprising rechargeable battery and display on which the display symbols appearing during a cycle of use of the battery are displayed in an accelerated manner in a demonstration mode |
| TW200409922A (en) * | 2002-09-27 | 2004-06-16 | Seiko Instr Inc | Protection circuit for battery charge |
| CN101237728A (en) * | 2007-01-31 | 2008-08-06 | 中华映管股份有限公司 | LED backlight system and driving method of backlight source |
| US20090058793A1 (en) * | 2007-08-27 | 2009-03-05 | Samsung Electro-Mechanics Co., Ltd | Backlight unit for synchronization with an image signal for liquid crystal display |
| CN201829171U (en) * | 2010-06-28 | 2011-05-11 | 北京思旺电子技术有限公司 | Liquid crystal display (LCD) screen drive circuit capable of displaying capacity and battery charger |
| TW201344223A (en) * | 2012-04-26 | 2013-11-01 | Sy-Ruen Hung | The frequency of detection of the secondary battery remaining capacity of the method and display device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110148976A (en) * | 2018-02-12 | 2019-08-20 | 启碁科技股份有限公司 | Electronic device and its control method |
| CN108776636A (en) * | 2018-06-26 | 2018-11-09 | Oppo广东移动通信有限公司 | Mobile terminal charge prompting method, apparatus and computing device |
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| Publication number | Publication date |
|---|---|
| CN104795849B (en) | 2019-01-22 |
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