CN104090158A - Charging process indicating system and method - Google Patents
Charging process indicating system and method Download PDFInfo
- Publication number
- CN104090158A CN104090158A CN201410317821.8A CN201410317821A CN104090158A CN 104090158 A CN104090158 A CN 104090158A CN 201410317821 A CN201410317821 A CN 201410317821A CN 104090158 A CN104090158 A CN 104090158A
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- China
- Prior art keywords
- microcontroller
- storage device
- signal
- electrical storage
- current
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
Abstract
The invention discloses a charging process indicating system and method. The system comprises a microcontroller and a display module. The microcontroller can receive voltage signals sent by the two ends of an external electrical storage device and receive a current signal generated when the electrical storage device is charged, and therefore the current electric quantity of the electrical storage device is obtained through a comparing module, and the display module displays information of the current electric quantity under the control of the microcontroller. Through the charging process indicating system and method, the current electric quantity of the electrical storage device can be seen visually, an electric quantity average value is worked out by the microcontroller according a first electric quantity signal and a second electric quantity signal and is sent to the display module to be displayed, and errors generated when the electric quantity is obtained only through a current can be reduced to a certain extent.
Description
Technical field
The present invention relates to a kind of charging process indication mechanism and method.
Background technology
Electronic product increasingly universal, general electronic products all adopts electrical storage device to be convenient for carrying, in the time that electronic product is charged, the electric weight of often all not knowing electrical storage device has how many, some electronic products need unlocking electronic product and light screen and just can see the electric weight that electrical storage device is current, use cumbersome.
Can see intuitively by outside device the number of electrical storage device charge volume although there are some on market, when this device is only measured electrical storage device charging, the electric current of electrical storage device place circuit, and judge current charge condition by the electric current electric quantity curve in when charging, only rely on electric current to judge that charge condition tends to exist different electrical storage device capacity correctly to show.
Summary of the invention
The object of this invention is to provide a kind of charging process indication mechanism and method, with at least one aspect addressing the above problem.
According to an aspect of the present invention, a kind of charging process indication mechanism is provided, comprise microcontroller and display module, wherein, current signal when microcontroller receives the voltage signal at outside electrical storage device two ends and external charger electrical storage device is charged, microcontroller comprises comparison module, comparison module is processed and be sent to microcontroller by voltage signal and current signal, comparison module is compared the ratio of change in voltage and time and electric weight and voltage change ratio, and current signal and electric current electric weight setting value are compared, comparison module sends comparison result to microcontroller processing, microcontroller sends electric weight idsplay order to display module, display module is carried out idsplay order, show information about power.
In some embodiments, microcontroller can also comprise a resistance, and resistance, external charger and electrical storage device are connected on same circuit by series system, and resistance sends described current signal to microcontroller.Thus, microcontroller can receive the current signal that resistance sends, and that is to say current signal when microcontroller can receive external charger electrical storage device is charged.
According to another aspect of the present invention, provide a kind of charging process indicating means, comprised the following steps:
A) resistance and external charger and electrical storage device are connected in series on the circuit that simultaneously microcontroller is connected to external charger and electrical storage device place on same circuit;
B) charger is turned on domestic power supply, resistance sends current signal to microcontroller, and microcontroller receives the voltage signal that electrical storage device sends simultaneously;
C) microcontroller is processed current signal and voltage signal;
D) current signal after treatment and voltage signal are sent to comparison module by microcontroller;
E) comparison module by current signal after treatment and electric current electric weight setting value is compared and, the ratio of change in voltage and time and electric weight and voltage change ratio are compared;
F) after comparison, comparison module draws the first information about power and the second information about power, and the first electric quantity signal and the second electric quantity signal are sent to microcontroller by comparison module;
G) microcontroller, to receiving the first electric quantity signal and the second electric quantity signal is processed, draws average electricity;
H) instruction of average electricity signal is sent to display module by microcontroller;
I) display module shows information about power.
Microcontroller in the present invention can receive voltage signal that outside electrical storage device two ends send and and the current signal in electrical storage device when charging, and then draw by comparison module the electric weight that electrical storage device is current, microprocessor controls display module demonstrates current information about power, can see intuitively by the present invention the electric weight that electrical storage device is current, microcontroller is to calculate electric weight mean value according to the first electric quantity signal and the second electric quantity signal, and send to display module to show, can be to a certain extent, reduce only to rely on electric current to draw the error of electric weight.
Brief description of the drawings
Fig. 1 is the schematic diagram of the charging process indication mechanism of one embodiment of the present invention;
Fig. 2 is the flow process of the charging process indicating means of one embodiment of the present invention.
Embodiment
Below in conjunction with brief description of the drawings and embodiment, the present invention is further detailed explanation.
Fig. 1 schematically shows the principle of the charging process indication mechanism of one embodiment of the present invention.
As shown in Figure 1, a kind of charging process indication mechanism, comprises microcontroller 1 and display module 2.Microcontroller 1 comprises a resistance and comparison module 11.
As shown in Figure 1, after charger 3 is communicated with electrical storage device 4 (as: battery etc.), in the present embodiment, one resistance can be connected on the circuit at electrical storage device 4 and charger 3 places, can measure the electric current that flows through electrical storage device 4, current signal is sent to microcontroller 1 by resistance, and simultaneously microcontroller 1 can receive the voltage signal (being now simulating signal) that send at 4 two ends of electrical storage device.In other embodiments, also can on the circuit at charger 3 and electrical storage device 4 places, a current sensor be installed, only need microcontroller 1 can receive the current signal of electrical storage device 4 place circuit.
Microcontroller 1 receives after voltage signal and current signal, microcontroller 1 is through A/D conversion (analog to digital conversion), voltage signal is processed, processing procedure is as follows: convert (simulation) voltage signal to (numeral) voltage signal, and this moment (numeral) voltage is carried out to integral mean, deduct again a moment voltage and carry out integral mean (that is to say and obtain change in voltage), again divided by corresponding time (calculating by formula ∫ Δ u/ Δ tdt), can draw interior voltage (mean value) variation of utmost point short time of a certain section and the ratio (being the derivative of voltage with respect to the time) of time, current signal is carried out to integral mean (calculating by formula ∫ Δ i/ Δ tdt) computing simultaneously.Because the size of electric current and voltage may exist very great fluctuation process at some time point, if do not carry out integral and calculating, there will be mistake to show at the moment of electric current and voltage fluctuation display module 2, carry out integral mean computing and can reduce error, stop mistake and show.
After carrying out above-mentioned processing, above-mentioned treated change in voltage and the ratio of time and current signal are sent to comparison module 11 by microcontroller 1, comparison module 11 ratio of change in voltage and time and electric weight and voltage change ratio are compared (the corresponding electric weight of ratio of each change in voltage and time, different change in voltage and the corresponding different electric weight of the ratio of time, can before dispatching from the factory, just set), after comparison, draw the first information about power, simultaneously comparison module 11 current signal is compared with electric current electric weight setting value (the corresponding electric weight of each electric current, different electric weight corresponding to electric current, can before dispatching from the factory, just set), after comparison, draw the second information about power, comparison module 11 sends the first electric quantity signal and the second electric quantity signal to microcontroller 1.
As shown in Figure 1, microcontroller 1 is electrically connected with display module 2, and microcontroller 1 is obtained the mean value of the first electric weight and the second electric weight, and the instruction of electric weight average value signal is sent to display module 2, and display module 2 shows electric weight after receiving instruction.
Microcontroller 1 can be selected 8051F300 single-chip microcomputer, or microcontroller can be also other single-chip microcomputers that have identical function.
In the present embodiment, display module 2 is four pilot lamp, one of them pilot lamp sends ruddiness, other three pilot lamp send green glow, display module 2 is electrically connected with microcontroller 1, to make, when electrical storage device 4 electric weight are 0%～24% time, microcontroller 1 sends electric quantity signal to red light, make when red, electrical storage device 4 electric weight are 25%～49% time, a green light, electrical storage device 4 electric weight are 50%～74% time, two green lights, electrical storage device 4 electric weight are 75%～99% time, three green lights, electrical storage device 4 electric weight are 100% time, four green lights, user can judge according to the bright situation of current green light and red light the electric weight situation of current electrical storage device 4.In other embodiments, display module 2 can be display screen, display screen can receive the electric weight idsplay order that microcontroller 1 sends, directly demonstrate the current electric weight of electrical storage device 4 (the electric weight numerical value of demonstration can be any percentage from 0%～100%), or can show by other mode the electric weight of current electrical storage device 4, no matter with which kind of display mode show, only need user to pass through the content that display module 2 shows, can determine electrical storage device and whether whether finish in charging and charging.
The present invention can be arranged on charger 3, also can be arranged on data line 5, also can be arranged on the electrical storage device 4 of electronic product, no matter be where arranged on, only needs microcontroller 1 can receive the voltage signal that send at electrical storage device two ends.
Fig. 2 schematically shows the flow process of the charging process indicating means of one embodiment of the present invention.
As shown in Figure 2, the flow process of charging process indicating means is as follows:
Step 101 a: resistance and external charger and electrical storage device are series on same circuit, microcontroller 1 are connected on the circuit at external charger and electrical storage device place simultaneously;
Step 102: charger is turned on domestic power supply, and resistance sends current signal to microcontroller 1, and microcontroller 1 receives the voltage signal that electrical storage device sends simultaneously;
Step 103: microcontroller 1 is processed current signal and voltage signal (carrying out after integration is averaged calculating);
Step 104: current signal after treatment and voltage signal are sent to comparison module 11 by microcontroller 1;
Step 105: comparison module 11 is compared current signal after treatment and electric current electric weight setting value, and the setting value of the ratio of change in voltage and time and electric weight and voltage change ratio is compared;
Step 106: after comparison, comparison module 11 draws the first information about power and the second information about power, and the first electric quantity signal and the second electric quantity signal are sent to microcontroller 1 by comparison module 11;
Step 107: microcontroller 1, to receiving the first electric quantity signal and the second electric quantity signal is processed, draws average electricity information;
Step 108: the instruction of average electricity signal is sent to display module 2 by microcontroller 1;
Step 109: display module 2 shows information about power.
Above is only some embodiments of the present invention.For the person of ordinary skill of the art, without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to the protection domain of invention.
Claims (3)
1. charging process indication mechanism, is characterized in that, comprises microcontroller (1) and display module (2), wherein,
Described microcontroller (1) receives the voltage signal that outside electrical storage device two ends send, and external charger is while charging to electrical storage device, the current signal of the electrical storage device of flowing through,
Described microcontroller (1) comprises comparison module (11), comparison module (11) is processed and be sent to described microcontroller (1) by voltage signal and current signal, described comparison module (11) is compared the ratio of change in voltage and time and electric weight and voltage change ratio, and current signal and electric current electric weight setting value are compared
Described comparison module (11) sends comparison result and processes to described microcontroller (1), and described microcontroller (1) sends electric weight idsplay order to display module (2),
Described display module (2) is carried out described idsplay order, shows information about power.
2. charging process indication mechanism according to claim 1, it is characterized in that, described microcontroller (1) also comprises a resistance, described resistance, external charger and electrical storage device are connected on same circuit by series system, and described resistance sends described current signal to described microcontroller (1).
3. charging process indicating means, is characterized in that, comprises the following steps:
A) resistance and external charger and electrical storage device are connected in series on same circuit, microcontroller (1) are connected on the circuit at external charger and electrical storage device place simultaneously;
B) charger is turned on domestic power supply, resistance sends current signal to microcontroller (1), and microcontroller (1) receives the voltage signal that electrical storage device sends simultaneously;
C) microcontroller (1) is processed current signal and voltage signal;
D) current signal after treatment and voltage signal are sent to comparison module (11) by microcontroller (1);
E) comparison module (11) by current signal after treatment and electric current electric weight setting value is compared and, the ratio of change in voltage and time and electric weight and electric weight and voltage change ratio are compared;
F) after comparison, comparison module (11) draws the first information about power and the second information about power, and the first electric quantity signal and the second electric quantity signal are sent to microcontroller (1) by comparison module (11);
G) microcontroller (1), to receiving the first electric quantity signal and the second electric quantity signal is processed, draws average electricity;
H) instruction of average electricity signal is sent to display module (2) by microcontroller (1);
I) display module (2) shows information about power.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410317821.8A CN104090158A (en) | 2014-07-04 | 2014-07-04 | Charging process indicating system and method |
| PCT/CN2015/078427 WO2016000488A1 (en) | 2014-07-04 | 2015-05-07 | Charging process indication system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410317821.8A CN104090158A (en) | 2014-07-04 | 2014-07-04 | Charging process indicating system and method |
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| CN104090158A true CN104090158A (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410317821.8A Pending CN104090158A (en) | 2014-07-04 | 2014-07-04 | Charging process indicating system and method |
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| CN (1) | CN104090158A (en) |
| WO (1) | WO2016000488A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016000488A1 (en) * | 2014-07-04 | 2016-01-07 | 东莞林发电子有限公司 | Charging process indication system and method |
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| CN102520364B (en) * | 2011-12-20 | 2014-09-03 | 广东欧珀移动通信有限公司 | Method utilizing battery voltage to display electric quantity |
| CN104242371B (en) * | 2013-06-24 | 2019-06-28 | 惠州市吉瑞科技有限公司 | The USB charger and its electric quantity display method that charged pool bar electricity is shown |
| CN104090158A (en) * | 2014-07-04 | 2014-10-08 | 东莞林发电子有限公司 | Charging process indicating system and method |
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2014
- 2014-07-04 CN CN201410317821.8A patent/CN104090158A/en active Pending
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| WO2006019360A1 (en) * | 2004-08-18 | 2006-02-23 | Gp Batteries International Limited | Method and system for determining the soc of a rechargeable battery |
| CN201298736Y (en) * | 2008-11-21 | 2009-08-26 | 姜红有 | Electric quantity indicating battery charger of battery cell |
| US20120293126A1 (en) * | 2010-02-04 | 2012-11-22 | Gs Yuasa International, Ltd. | Charging method |
| CN102837620A (en) * | 2011-06-24 | 2012-12-26 | 皆盈绿动能科技股份有限公司 | Electric quantity detection and display device and method thereof |
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| WO2016000488A1 (en) | 2016-01-07 |
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