CN100399669C - Method for preventing error charging for charger automatic judging charging storage battary voltage - Google Patents
Method for preventing error charging for charger automatic judging charging storage battary voltage Download PDFInfo
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- CN100399669C CN100399669C CNB2006100231317A CN200610023131A CN100399669C CN 100399669 C CN100399669 C CN 100399669C CN B2006100231317 A CNB2006100231317 A CN B2006100231317A CN 200610023131 A CN200610023131 A CN 200610023131A CN 100399669 C CN100399669 C CN 100399669C
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000005070 sampling Methods 0.000 claims description 39
- 230000000052 comparative effect Effects 0.000 claims description 33
- 230000004069 differentiation Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
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Abstract
The present invention relates to a method for a charger to automatically decide the voltage of a chargeable battery to prevent wrong charge. The method can automatically decide the voltage of the battery, and automatically adjust the charging gear. When a charger user wrongly connects the charger to the gear, charge can be stopped in time to protect the battery and sent out an alarming signal, and the charging gear is chosen by the user when the charge is begun. In the charge process, the voltage of the battery is sampled for many times and is compared to determine whether the user carries out wrong charge or not and the connected battery is a normal battery or not. The method can effectively avoid the loss for the user because of the wrong charge and the damage to the battery and can automatically choose the suitable gear to charge the battery.
Description
Technical field
The present invention relates to a kind of method of automatic control charger charging, refer to that especially a kind of battery charger judges that automatically charging battery jar voltage can prevent the method for mistake charging.
Background technology
Mostly many gears battery charger commonly used at present is mechanically storage battery to be charged after the user connects, but the user can be charger wrong gear under situation about having, the situation that may occur is that high-tension storage battery has been connected on the low-voltage shelves like this, and storage battery can't effectively charge; Other situation is that the storage battery of low-voltage has been connected on the high voltage gear, and storage battery just can be damaged like this.Therefore, a kind of voltage that can judge storage battery is automatically automatically adjusted the charging gear, when user's wrong gear, can in time stop to charge send signal remind the user with the method for protection storage battery when solving above-mentioned secret worry smoothly.
Summary of the invention
The object of the present invention is to provide and a kind ofly can judge automatically that battery voltage can adjust the charging gear automatically, when charger user wrong gear, can in time stop to charge with the protection storage battery and send the charging method of alarm signal.
A kind of method of preventing error charging for charger automatic judging charging storage battary voltage, this charger are provided with charging gear 1 and charging gear 2, and described method comprises the steps:
A. after the energising to institute's charging battery jar constant current charge time rating 1 then to battery voltage take a sample sampling voltage 1, sampling voltage 1 and comparative voltage 1 are compared;
If b. sampling voltage 1 is higher than comparative voltage 1, stop charge capacity fixing time after 2 to battery voltage take a sample sampling voltage 2, with sampling voltage 2 and comparative voltage 2 relatively, stop charging and show the mistake alarm signal of charging if sampling voltage 2 is higher than 2 of comparative voltages;
C. if being lower than 2 of comparative voltages, sampling voltage 2 fixes time 3 with 1 pair of storage battery charge capacity of charging gear;
D. charging was carried out after time rating 3, to battery voltage take a sample sampling voltage 3, with sampling voltage 3 and comparative voltage 3 relatively, stop charging if sampling voltage 3 is lower than comparative voltage 3 and show the mistake alarm signal of charging;
If e. sampling voltage 3 is higher than comparative voltage 3 then keeps charged state to charging and finish;
If f. sampling voltage 1 is lower than comparative voltage 1, then fix time 3 with 2 pairs of storage battery charge capacities of charging gear;
G. charging was carried out after time rating 3, to battery voltage take a sample sampling voltage 4, with sampling voltage 4 and comparative voltage 1 relatively, stop charging if sampling voltage 4 is higher than comparative voltage 1 and show the mistake alarm signal of charging;
If h. sampling voltage 4 is lower than comparative voltage 1 then keeps charged state to charging and finish.
Wherein: gear 1 charging voltage is higher than the charging voltage of gear 2; Comparative voltage 1 is the differentiation voltage between gear 1 and the gear 2 corresponding storage batterys; The high-tension minimum value that comparative voltage 2 can not reach by the normal storage battery of gear 1 corresponding storage battery; The maximum of the low-voltage that comparative voltage 3 can not reach by charging gear 1 corresponding storage battery normal storage battery.
Charger adopts loss that above-mentioned control method can prevent effectively that the user from bringing because of the misconnection gear and to the damage of storage battery, and can select suitable gear that storage battery is charged automatically.
Description of drawings
Accompanying drawing is the flow chart of steps of the preferred embodiment of the present invention.
Embodiment
For further specifying invention essence of the present invention, lifting a preferred embodiment below is described with reference to the accompanying drawings as follows: present embodiment is to judge automatically in the 12V/24V charger that charging battery jar voltage prevents the step of mistake charging, as shown in the figure: the 1st step selected gear that storage battery is switched on, but for preventing wrong choosing, the 2nd step the inventive method earlier is that the electric current of the constant 1A of 28V is to the storage battery 20S that charges with voltage, and limit described voltage and be up to 28V, the 3rd step took a sample to battery voltage, sampling voltage is compared, if sampling voltage value be higher than 16V then can preliminary judgement its be the 24V storage battery, the 41st step stopped to charge 10 seconds after the voltage sampling comparison, the 51st step took a sample to battery voltage and judges whether sampling voltage is higher than 32V, if this moment, battery voltage was higher than 32V, illustrate that then this storage battery should not use this gear charging, this is conspicuous to the one of ordinary skilled in the art, and charger stopped charge step and sent the mistake alarm signal of charging this moment; If the voltage that the 51st step was judged storage battery is for being lower than 32V then enter the 61st and go on foot, the charging of beginning 24V shelves, charging earlier 30 seconds, for guaranteeing not misjudgement of above-mentioned judgement, whether the 71st step to the voltage sampling of storage battery, judged storage battery voltage at this moment less than 20V, if this moment, battery voltage was lower than 20V after the 24V shelves charged 30 seconds, illustrate that then this storage battery is not suitable for connecting the charging of 24V shelves, charger stops charging and sends the alarm signal of by mistake charging; If this moment, battery voltage was higher than 20V, illustrate that then the suitable 24V gear charging of this storage battery the 81st step of execution continues to charge until being full of end.
But if when judging in the 3rd step sampling voltage be lower than 16V then this storage battery of preliminary judgement be the 12V storage battery, the charging of the 42nd step beginning 12V shelves, charging earlier 30 seconds, the 52nd step charging after 30 seconds to the voltage sampling of storage battery, judge that whether storage battery voltage at this moment is less than 16V, if this moment, battery voltage was higher than 16V, illustrate that then this storage battery is not suitable for connecting the charging of 12V shelves, charger stops charging and sends the alarm signal of by mistake charging; If this moment, battery voltage was lower than 16V, illustrate that then this storage battery is fit to the charging of 12V gear, carry out the lasting charging of the 62nd step until being full of end.
Protection range of the present invention is not limited in this embodiment, and the various conversion that all those of ordinary skills know all fall within the protection range.
Claims (4)
1. the method for a preventing error charging for charger automatic judging charging storage battary voltage, this charger are provided with charging gear 1 and charging gear 2, and described method comprises the steps:
A. after the energising to institute's charging battery jar constant current charge time rating 1 then to battery voltage take a sample sampling voltage 1, sampling voltage 1 and comparative voltage 1 are compared;
If b. sampling voltage 1 is higher than comparative voltage 1, stop charge capacity fixing time after 2 to battery voltage take a sample sampling voltage 2, with sampling voltage 2 and comparative voltage 2 relatively, stop charging and show the mistake alarm signal of charging if sampling voltage 2 is higher than 2 of comparative voltages;
C. if being lower than 2 of comparative voltages, sampling voltage 2 fixes time 3 with 1 pair of storage battery charge capacity of charging gear;
D. charging was carried out after time rating 3, to battery voltage take a sample sampling voltage 3, with sampling voltage 3 and comparative voltage 3 relatively, stop charging if sampling voltage 3 is lower than comparative voltage 3 and show the mistake alarm signal of charging;
If e. sampling voltage 3 is higher than comparative voltage 3 then keeps charged state to charging and finish;
If f. sampling voltage 1 is lower than comparative voltage 1, then fix time 3 with 2 pairs of storage battery charge capacities of charging gear;
G. charging was carried out after time rating 3, to battery voltage take a sample sampling voltage 4, with sampling voltage 4 and comparative voltage 1 relatively, stop charging if sampling voltage 4 is higher than comparative voltage 1 and show the mistake alarm signal of charging;
If h. sampling voltage 4 is lower than comparative voltage 1 then keeps charged state to charging and finish;
Wherein: gear 1 charging voltage is higher than the charging voltage of gear 2; Comparative voltage 1 is the differentiation voltage between gear 1 and the gear 2 corresponding storage batterys; The high-tension minimum value that comparative voltage 2 can not reach by the normal storage battery of gear 1 corresponding storage battery; The maximum of the low-voltage that comparative voltage 3 can not reach by charging gear 1 corresponding storage battery normal storage battery.
2. the method for claim 1, wherein: gear 1 is 24V, gear 2 is 12V.
3. the method for claim 1, wherein: the current value of described constant current is 1A.
4. the method for claim 1, wherein: be 20 seconds time rating 1, and be 10 seconds time rating 2, and be 30 seconds time rating 3, and comparative voltage 1 is 16V, and comparative voltage 2 is 32V, and comparative voltage 3 is 20V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100231317A CN100399669C (en) | 2006-01-06 | 2006-01-06 | Method for preventing error charging for charger automatic judging charging storage battary voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100231317A CN100399669C (en) | 2006-01-06 | 2006-01-06 | Method for preventing error charging for charger automatic judging charging storage battary voltage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1822468A CN1822468A (en) | 2006-08-23 |
| CN100399669C true CN100399669C (en) | 2008-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006100231317A Active CN100399669C (en) | 2006-01-06 | 2006-01-06 | Method for preventing error charging for charger automatic judging charging storage battary voltage |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2178962Y (en) * | 1994-02-03 | 1994-10-05 | 苏钊庆 | Automatic voltage reglation safety charger |
| JPH0731072A (en) * | 1991-07-09 | 1995-01-31 | Japan Storage Battery Co Ltd | Charger |
| JP2005237155A (en) * | 2004-02-20 | 2005-09-02 | Macnica Inc | Battery charger applicable to multiple-voltage specifications, battery charging system, and battery unit |
-
2006
- 2006-01-06 CN CNB2006100231317A patent/CN100399669C/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0731072A (en) * | 1991-07-09 | 1995-01-31 | Japan Storage Battery Co Ltd | Charger |
| CN2178962Y (en) * | 1994-02-03 | 1994-10-05 | 苏钊庆 | Automatic voltage reglation safety charger |
| JP2005237155A (en) * | 2004-02-20 | 2005-09-02 | Macnica Inc | Battery charger applicable to multiple-voltage specifications, battery charging system, and battery unit |
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| Publication number | Publication date |
|---|---|
| CN1822468A (en) | 2006-08-23 |
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Address after: No. 4589, Pine Road, Shanghai Patentee after: New Focus Lighting and Power Technology (Shanghai) Co., Ltd. Address before: No. 9608, North Green Road, Qingpu District, Shanghai Patentee before: New Focus Lighting and Power Technology (Shanghai) Co., Ltd. |