CN104035034A - Electronic device and battery electric quantity detection method - Google Patents
Electronic device and battery electric quantity detection method Download PDFInfo
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- CN104035034A CN104035034A CN201310540725.5A CN201310540725A CN104035034A CN 104035034 A CN104035034 A CN 104035034A CN 201310540725 A CN201310540725 A CN 201310540725A CN 104035034 A CN104035034 A CN 104035034A
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Abstract
The present invention provides an electronic device, and a corresponding battery electric quantity detection method. The electronic device comprises a battery, a detector, and a processor. The battery is used for supplying power for the electronic device. The detector detects a parameter of the battery, and the parameter is in relation with the battery electric quantity. The detector sends a signal when the parameter changes. The processor obtains the parameter form the detector according to the signal.
Description
Technical field
The invention relates to a kind of electronic installation that comprises battery, and particularly relevant for a kind of electronic installation and its battery electricity detection method.
Background technology
There is now multiple electronic installation, for example intelligent mobile phone (smart phone), personal digital assistant (PDA:personal digital assistant), flat computer (tablet computer) and notebook computer (notebook computer), be all to using battery as power supply.These electronic installations generally include a detecting device that is called as fuel level gauge (fuel gauge), in order to detect the parameters such as voltage, electric current and temperature of battery.The CPU (central processing unit) of electronic installation (CPU:central processing unit) or processor (processor) meeting periodic polling (poll) fuel level gauge are to obtain the parameters such as voltage, electric current and temperature of battery, in order to calculate the dump energy of battery.The dump energy that calculates gained can be shown to user and watch, or for the power management (power management) of electronic installation.
Overpolling itself is not understood the electric power of consuming cells, and poll may be too frequent, and repeatedly after poll, the dump energy of battery just has noticeable variation, and unnecessary poll can cause meaningless power consumption.
Summary of the invention
The invention provides a kind of electronic installation and battery electricity detection method, to solve the power consumption problem of traditional poll.
Electronic installation of the present invention comprises battery, detecting device and processor.Battery provides electronic installation required electric power.Detecting device couples battery, detects a parameter of battery, and this parameter is relevant to the electric weight of battery.When parameter changes, detecting device sends signal.Processor couples detecting device, because obtaining this parameter by signal self-detector.
Battery electricity detection method of the present invention, comprises the following steps: to detect a parameter of battery, and this parameter is relevant to the electric weight of battery; When parameter changes, send signal; And because obtaining this parameter by signal.
Based on above-mentioned, the present invention is when the parameter of battery changes, and initiatively sends signal and with notification processor, obtains the parameter of battery, and processor is poll initiatively not.So the present invention can solve the power consumption problem of traditional poll.
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate appended graphic being described in detail below.
Accompanying drawing explanation
Fig. 1 is the schematic diagram according to a kind of electronic installation of one embodiment of the invention.
Fig. 2 is the process flow diagram according to a kind of battery electricity detection method of one embodiment of the invention.
[label declaration]
100: electronic installation 120: battery
140: detecting device 160: processor
180: display 210～260: method step
Embodiment
Fig. 1 is the schematic diagram according to a kind of electronic installation 100 of one embodiment of the invention.Electronic installation 100 can be any battery that needs so that the electronic installation of electric power to be provided, for example intelligent mobile phone, personal digital assistant, flat computer or notebook computer.Electronic installation 100 comprises battery 120, detecting device 140, processor 160 and display 180.Detecting device 140 couples battery 120, and processor 160 couples detecting device 140 and display 180.Battery 120 provides electronic installation 100 required electric power.Detecting device 140 can detect the parameter relevant with the electric weight of battery 120.Detecting device 140 and processor 160 can be carried out battery electricity detection method as shown in Figure 2.Display 180 can show the relevant information of the electric weight of battery 120.
Fig. 2 is the process flow diagram according to a kind of battery electricity detection method of one embodiment of the invention.In step 210, detecting device 140 detects a parameter of battery 120.Above-mentioned parameter is relevant to the electric weight of battery 120, for example relevant to dump energy or the maximum electric weight of battery 120, or all relevant to above-mentioned two electric weight.Detecting device 140 checks in step 220 whether above-mentioned parameter changes.If do not changed, flow process is returned to step 210, and detecting device 140 continues to detect the above-mentioned parameter of battery 120.If above-mentioned parameter changes, detecting device 140 sends signal in step 230, and for example detecting device 140 can send an interruption (interrupt) signal in step 230.
In the variation described in step 220, refer to: (1) above-mentioned parameter decline a preset value or default number percent at every turn, or (2) above-mentioned parameter drops to and is less than or equal to a preset value or default number percent.For example above-mentioned parameter can be the dump energy of battery 120, and detecting device 140 can send above-mentioned signal when a preset value or default number percent each decline of above-mentioned dump energy, or drop to and send above-mentioned signal while being less than or equal to a preset value or default number percent at above-mentioned dump energy.
Next, processor 160 can receive above-mentioned signal in step 240, then in step 250, in response to above-mentioned signal self-detector 140, obtains above-mentioned parameter.Display 180 can show the information relevant to the electric weight of battery 120, and this information can be pattern, word or the pattern of the dump energy of pilot cell 120 and the combination of word.Processor 160, can be in the step 260 above-mentioned information shown according to above-mentioned parameter refresh display 180 after obtaining above-mentioned parameter.Then flow process is returned to step 210, and detecting device 140 continues to detect the above-mentioned parameter of battery 120.
Detecting device 140 can calculate the dump energy of battery 120 voluntarily, and for example, detecting device 140 can comprise that an electric charge meter (coulomb counter) is to calculate the dump energy of battery 120.Detecting device 140 can be obtained for processor 160 this dump energy as above-mentioned parameter.Processor 160 can calculate the dump energy of battery 120 with respect to the number percent of the maximum electric weight of battery 120 after obtaining above-mentioned parameter.Above-mentioned maximum electric weight can be the built-in numerical value of processor 160 or take from detecting device 140.Above-mentioned number percent can be used on display 180 to show above-mentioned information, or for the power management of electronic installation 100, or other purposes.
Or detecting device 140 can further calculate the dump energy of battery 120 with respect to the number percent of the maximum electric weight of battery 120, then obtains for processor 160 this number percent as above-mentioned parameter.
In certain embodiments of the present invention, above-mentioned number percent is not used in the information demonstration of display 180, for example a power management for electronic installation 100.In these embodiments, can omit display 180 and step 260.
In sum, the present invention is initiatively sent signal to obtain parameter with notification processor when the parameter of battery changes by detecting device.Processor is poll initiatively not, so the power wastage that the present invention can avoid frequent poll to cause extends the service time that needs battery powered electronic installation.
Although the present invention discloses as above with embodiment; so it is not in order to limit the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when doing a little change and retouching, therefore protection scope of the present invention is when being as the criterion depending on the appended claim scope person of defining.
Claims (14)
1. an electronic installation, is characterized in that comprising:
Battery, provides this electronic installation required electric power;
Detecting device, couples this battery, detects the parameter of this battery, and this parameter is relevant to the electric weight of this battery, and wherein, when this parameter changes, this detecting device sends signal; And
Processor, couples this detecting device, responds this signal and obtains this parameter from this detecting device.
2. electronic installation according to claim 1, wherein this detecting device is fuel level gauge.
3. electronic installation according to claim 1, wherein this variation refers to this parameter decline preset value or default number percent at every turn.
4. electronic installation according to claim 1, wherein this variation refers to that this parameter drops to and is less than or equal to preset value or default number percent.
5. electronic installation according to claim 1, wherein this parameter comprises the dump energy of this battery, this processor calculates this dump energy with respect to the number percent of the maximum electric weight of this battery after obtaining this parameter.
6. electronic installation according to claim 1, wherein this parameter comprises that the dump energy of this battery is with respect to the number percent of the maximum electric weight of this battery.
7. electronic installation according to claim 1, also comprises:
Display, couples this processor, shows the information relevant to this electric weight of this battery, and wherein this processor, after obtaining this parameter, upgrades this shown information of this display according to this parameter.
8. a battery electricity detection method, is characterized in that comprising:
The parameter that detects battery, wherein this parameter is relevant to the electric weight of this battery;
When this parameter changes, send signal; And
Because obtaining this parameter by signal.
9. battery electricity detection method according to claim 8, also comprises:
Use fuel level gauge to detect this parameter of this battery.
10. battery electricity detection method according to claim 8, wherein this variation refers to this parameter decline preset value or default number percent at every turn.
11. battery electricity detection method according to claim 8, wherein this variation refers to that this parameter drops to and is less than or equal to preset value or default number percent.
12. battery electricity detection method according to claim 8, wherein this parameter comprises the dump energy of this battery, and this battery electricity detection method also comprises:
After obtaining this parameter, calculate this dump energy with respect to the number percent of the maximum electric weight of this battery.
13. battery electricity detection method according to claim 8, wherein this parameter comprises that the dump energy of this battery is with respect to the number percent of the maximum electric weight of this battery.
14. battery electricity detection method according to claim 8, also comprise:
Show the information relevant to this electric weight of this battery; And
After obtaining this parameter, according to this parameter, upgrade this information.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361773760P | 2013-03-06 | 2013-03-06 | |
| US61/773,760 | 2013-03-06 | ||
| US14/029,826 US20140253134A1 (en) | 2013-03-06 | 2013-09-18 | Electronic device and method for detecting the amount of charge of a battery |
| US14/029,826 | 2013-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104035034A true CN104035034A (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310540725.5A Pending CN104035034A (en) | 2013-03-06 | 2013-11-05 | Electronic device and battery electric quantity detection method |
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| CN (1) | CN104035034A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106547672A (en) * | 2016-11-03 | 2017-03-29 | 深圳市金立通信设备有限公司 | Method and terminal that a kind of electricity shows |
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Application publication date: 20140910 |