CN1228637A - Combined pulse charging method - Google Patents
Combined pulse charging method Download PDFInfo
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- CN1228637A CN1228637A CN 98111012 CN98111012A CN1228637A CN 1228637 A CN1228637 A CN 1228637A CN 98111012 CN98111012 CN 98111012 CN 98111012 A CN98111012 A CN 98111012A CN 1228637 A CN1228637 A CN 1228637A
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Abstract
The combined impulse charging method using impulse current to charge is characterized by that the described impulse current contains first positive pulse whose peak voltage is 1.4-2.1 times end voltage of the charged storage cell (battery), second positive pulse whose peak voltage is less than the peak voltage of the first positive pulse and negative pulse with negative voltage. The peak voltage of the above-mentioned negative pulse is 40%-85% of the peak voltage of the above-mentioned first positive pulse, and between the first positive pulse and second positive pulse there is an instant charging-stopping interval.
Description
The invention relates to the charging method of rechargeable battery, particularly about the method for fast pulse charger.
Rechargeable battery is extensive use of on various machines and electric equipment owing to have the nonexpondable advantage of circulation.As a kind of power source of lead acid accumulator, be subject to people's attention just day by day as safe, the nuisanceless discharging of locomotive.And various cadmium nickel, hydrogen nickel, lithium storage battery are commonly various mobile communication equipment and adopt with little, the capacious characteristics of volume.These rechargeable batteries all are based on reversible electrochemical reaction and carry out work.After the electric energy of battery uses up, must charge to them, make them recover electric energy, can drop into use once more.Charging in the past generally all adopts direct current to carry out the gram method for electrically of constant voltage, constant current or unsteady flow.It is oversize that one big shortcoming of these charging methods is exactly the charging interval, is more than 12 hours concerning lead acid accumulator, and cadmium nickel, hydrogen nickel, lithium storage battery are about about 10 hours.Because the charging current average amplitude that above-mentioned these charging methods are used is about 0.1CA, promptly so-called standard charging current.Can use greater than above-mentioned standard charging current (being so-called large current charge) and charge to shorten the time of charge in batteries? people are constantly studying and are testing.If can be shortened to about 1 hour in the charging interval with the current amplitude of 1CA to charge in batteries.But it is found that in charging process the speed of the electrochemical reaction between the positive pole of storage battery, negative pole and the electrolyte is subjected to various conditionalities.Adopt large current charge will make storage battery produce polarization phenomena, hinder normally carrying out of electrochemical reaction, very easily cause the barrier film and the electrode damage of internal storage battery, and destroy the balance of electrolyte, will cause the permanent damage of storage battery when serious.By existing various document records, under the prerequisite that does not cause the storage battery permanent damage, the constant current charge amplitude of being advised is 0.5CA to the maximum.Charging interval also will be about 3-4 hour like this.External electric power magazine (J.Power Sources) has been reported the method with the inter-train pause charging, the pulse current amplitude that this method is used is 1CA, and in each pulse period, the charging interval is the 100-200 millisecond, stopping the time of filling is the 300-600 millisecond, and the whole charging interval is 290 minutes." boost battery charge principle and put into practice " (Zhu Xiaotong, Zhao elder generation osmanthus chopsticks) of coal industry in September, 1996 publishing house proposed the rapid charging of a kind of " charge-discharge of charging-stop-stop filling " circulation.Charging is 300 milliseconds in the every circulation of this method, stops filling 200 milliseconds, discharge 120 milliseconds (totally 6 times, each 20 milliseconds); The whole charging interval is also about 2 hours.Though above-mentioned these rapid chargings have shortened the charging interval, also has bigger gap apart from charging in 1 hour.Their common shortcomings that exists are thoroughly to eliminate the polarization phenomena and the memory effect of storage battery in addition, therefore the discharge capacity of storage battery reduces gradually, need carry out conventional long-time charging to recover the capacity of storage battery with interior with standard charging current when certain.Simultaneously, the storage battery that disapproves any damage is arranged of these rapid chargings charges.
The object of the present invention is to provide a kind of combined pulse charging method, it can overcome the shortcoming of existing fast pulse charger, can thoroughly eliminate polarization phenomena and the memory effect of storage battery in charging process, realize charging in 1 hour, both guaranteed that battery capacity can not reduce with the increase of charging times, again can in having, the slight storage battery that the damages function of repairing.
The object of the present invention is achieved like this: a kind of combined pulse charging method that utilizes pulse current to charge is characterized in that it is that second positive pulse and the voltage that first positive pulse, crest voltage that 1.4-2.1 doubly is recharged storage battery (group) terminal voltage are lower than the first above-mentioned positive pulse crest voltage is the negative pulse of negative value that described pulse current comprises crest voltage; The crest voltage of above-mentioned negative pulse is the 40%-85% of the above-mentioned first positive pulse crest voltage; Have between the first above-mentioned positive pulse and second positive pulse and stop the charging interval in a flash.
Described combined pulse charging method is characterized in that: above-mentioned negative pulse per second is at least to storage battery reverse charging 1 time.
Described combined pulse charging method, its feature is being done: the frequency of the first above-mentioned positive pulse, second positive pulse and negative pulse is 25 hertz-32 KHz, is preferably 50 hertz or 60 hertz.
Described combined pulse charging method, it is characterized in that: comprising the trickle charge stage that the charging current amplitude is not more than 120 milliamperes, is (3-5) by the duty ratio in large current charge stage of the first above-mentioned positive pulse, second positive pulse and negative pulse combination and above-mentioned trickle charge stage: (1-2).
First positive pulse and second positive pulse that the present invention utilizes two voltage peaks not wait are carried out the big electric current quick charge of forward to storage battery, reduce simultaneously storage battery again and produced memory effect, and the interval that a moment stops to charge arranged between two positive pulses, so not only can prevent of the damage of constant big electric current effectively, and the warm caused temperature of large current charge of having separated raises to accumulator diaphragm and pole plate.Add the reverse large current charge of negative pulse to storage battery, polarization phenomena and memory effect have been eliminated thoroughly, make storage battery really realize large current charge, the equal amplitude of its charging levelling can reach more than the 1CA, charging interval can be foreshortened to about 1 hour, the transfer ratio of rechargeable electrical energy reaches more than 95%, and the charging capacity of storage battery reaches 100%; Can also make pole plate be subjected in, slight damage scrap storage battery repaired, prolong its active time.Use the present invention can make the storage battery pot life behind the full charge extend to more than one month from present 3-5 days, and recycles the life-span more than 600 times, even can reach 1660 times, substantially exceeds 400-500 time of present standard code.
The utility model will be further described below in conjunction with accompanying drawing.
Fig. 1 is charge waveforms figure of the present invention.
Fig. 2 is that the present invention is to the charge waveforms figure of capacitance less than 1800 milliamperes storage battery (group).
Embodiment 1.The impulse waveform of the combined pulse charge of the present invention when the storage battery (group) to high capacitance (more than 1800 milliamperes) charges as shown in Figure 1.Abscissa among the figure is the time of representing with corner, and ordinate is the voltage of pulse charging current.Described assembled pulse is: first positive pulse 1, second positive pulse 2 and negative pulse 3.In time period, first positive pulse 1 occupies the 0-π time period at one 2 π, and second positive pulse 2 occupies the A-B time period.π-A time period (accounting for π/4-π/5 corners) is for moment stops the charging interval.The crest voltage value of first positive pulse 1 is for being filled the 1.4-2.1 times of storage battery (group) terminal voltage.The crest voltage of second positive pulse 2 is less than the crest voltage of first positive pulse 1, but greater than the terminal voltage of storage battery.Negative pulse 3 occupies the B-2 π time period (being about π/8-π/10 corners).The voltage of negative pulse 3 is negative value, and its crest voltage is the 40-90% of the first positive pulse crest voltage.First positive pulse 1, moment stop the charging interval and second positive pulse 2 certainly exists in the cycle of each 2 π, and promptly their per second kinds are to equate with the frequency of pulse to the number of times of charge in batteries.And negative pulse 3 is quite different, it is character, chemical constitution, and state of the art such as the size of capacitance and deciding according to storage battery, that is to say not necessarily and carry out once oppositely large current charge to storage battery in the cycle at each 2 π, but minimum each second need be once to the reverse large current charge of storage battery; Frequency number with pulse is identical the most at most.If in certain 2 π no negative pulse 3 in the cycle, the then above-mentioned B-2 π time period has just become another moment to stop the charging interval.The frequency of above-mentioned these charging pulses is 25 hertz-32 KHz, and general charging pulse is good with the frequency that adopts AC power frequency, promptly 50 hertz (or 60 hertz).If adopt 50 hertz charging pulse frequency, then each second first, the positive pulse 1 and second positive pulse 2 were respectively carried out the forward large current charge 50 times to storage battery, and negative pulse 3 is then carried out 1-50 time reverse large current charge to storage battery according to the state of the art of storage battery itself.Circulating so repeatedly finishes until charging, and this process is generally about 1 hour, and is even shorter.
Embodiment 2.The pulse glass shape of the combined pulse charge of the present invention the time to the charging of the storage battery (group) of little capacitance (below 1800 milliamperes) as shown in Figure 2, it comprises large current charge stage and trickle charge stage.Abscissa among the figure is the time of representing with corner, and ordinate is the voltage of pulse charging current.In the large current charge stage, one 2 π is in the cycle, and first positive pulse 1 occupies the 0-π time period, and second positive pulse 2 occupies the A-B time period.π-A time period (accounting for π/4-π/5 corners) is for moment stops the charging interval.The crest voltage value of first positive pulse 1 is for being filled the 1.4-2.1 times of storage battery (group) terminal voltage.The crest voltage of second positive pulse 2 is less than the crest voltage of first positive pulse 1, but greater than the terminal voltage of storage battery (group).Negative pulse 3 occupies the B-2 π time period (being about π/8-π/10 corners).The voltage of negative pulse 3 is negative value, and its crest voltage is the 40-90% of first positive pulse, 1 crest voltage.First positive pulse 1, moment stop the charging interval and second positive pulse 2 certainly exists in the cycle of each 2 π, and promptly their per second kinds are to equate with the frequency of pulse to the number of times of charge in batteries.And negative pulse 3 is quite different, it is character, chemical constitution, and state of the art such as the size of capacitance and deciding according to storage battery, that is to say not necessarily and carry out once oppositely large current charge to storage battery in the cycle, but carry out once oppositely large current charge to storage battery at least in each second at each 2 π; Frequency number with pulse is identical the most at most.In each 2 π corner in trickle charge stage, there are one first trickle pulse 4, second trickle pulse 5 and two to stop the charging interval.The charging current amplitude of the first trickle pulse 4 is about 60 milliamperes, and the second trickle pulse 5 is about 120 milliamperes.Between the first trickle pulse 4 and the second trickle pulse 5 charging interval of stopping to be arranged.The frequency of these above-mentioned charging pulses is 25 hertz-32 KHz, and general charging pulse is good with the frequency that adopts AC power frequency, promptly 50 hertz (or 60 hertz).If adopt 50 hertz charging pulse frequency, then in the large current charge stage, each second first, the positive pulse 1 and second positive pulse 2 were respectively carried out the forward large current charge 50 times to storage battery, and negative pulse 3 is then carried out 1-50 time reverse large current charge to storage battery according to the state of the art of storage battery itself; In the trickle charge stage, the first trickle pulse 4 and the second trickle pulse 5 are respectively to storage battery trickle charge 50 times.The above-mentioned large current charge stage continues 3-5 at every turn and then enters the 1-2 trickle charge stage of second after second; Both have constituted (3-5) in time: duty ratio (1-2).So large current charge stage and trickle charge stage alternately finish until charging repeatedly, and this process is generally about 1 hour, and is even shorter.Above-mentioned trickle pulse 4 and 5 can be that the constant current of 60-120 milliampere substitutes with current amplitude.
Claims (4)
1. combined pulse charging method that utilizes pulse current to charge is characterized in that: it is that second positive pulse and the voltage that first positive pulse, crest voltage that 1.4-2.1 doubly is recharged storage battery (group) terminal voltage are lower than the first above-mentioned positive pulse crest voltage is the negative pulse of negative value that described pulse current comprises crest voltage; Above-mentioned negative-going peaks threshold voltage is the 40%-85% of the above-mentioned first positive pulse crest voltage; Have between the first above-mentioned positive pulse and second positive pulse and stop the charging interval in a flash.
2. combined pulse charging method according to claim 1 is characterized in that: above-mentioned negative pulse per second is at least to storage battery reverse charging 1 time.
3. combined pulse charging method according to claim 1 is characterized in that: the frequency of the first above-mentioned positive pulse, second positive pulse and negative pulse is 25 hertz-32 KHz, is preferably 50 hertz or 60 hertz.
4. combined pulse charging method according to claim 1, it is characterized in that: comprising the trickle charge stage that the charging current amplitude is not more than 120 milliamperes, is (3-5) by the duty ratio in large current charge stage of the first above-mentioned positive pulse, second positive pulse and negative pulse combination and above-mentioned trickle charge stage: (1-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98111012A CN1079603C (en) | 1998-08-20 | 1998-08-20 | Combined pulse charging method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98111012A CN1079603C (en) | 1998-08-20 | 1998-08-20 | Combined pulse charging method |
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| CN1228637A true CN1228637A (en) | 1999-09-15 |
| CN1079603C CN1079603C (en) | 2002-02-20 |
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| CN98111012A Expired - Fee Related CN1079603C (en) | 1998-08-20 | 1998-08-20 | Combined pulse charging method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104282957A (en) * | 2013-07-09 | 2015-01-14 | 深圳市动力聚能科技有限公司 | Method for charging lithium ion battery by using pulse current |
| CN106160094A (en) * | 2016-02-05 | 2016-11-23 | 广东欧珀移动通信有限公司 | Charging system, charging method and power supply adaptor for terminal |
| CN111446513A (en) * | 2019-01-16 | 2020-07-24 | 大众汽车有限公司 | Method for treating a battery |
| US10910866B2 (en) | 2016-02-05 | 2021-02-02 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Charging system and charging method for terminal and power adapter |
| EP3567699B1 (en) * | 2016-07-26 | 2023-07-26 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Charging device and method, power adapter and terminal |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1297052C (en) * | 2004-03-19 | 2007-01-24 | 周淳 | Fully self-controlled large power combined pulse charging machine |
| JP6633104B2 (en) * | 2016-07-26 | 2020-01-22 | オッポ広東移動通信有限公司 | Adapter and charge control method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HU196863B (en) * | 1986-12-01 | 1989-01-30 | Brg Mechatronikai Vallalat | Method for charging ni-cd accumulators and circuit arrangement for carrying out the said method |
| US5307000A (en) * | 1992-01-22 | 1994-04-26 | Electronic Power Technology, Inc. | Method and apparatus for charging, thawing, and formatting a battery |
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1998
- 1998-08-20 CN CN98111012A patent/CN1079603C/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104282957A (en) * | 2013-07-09 | 2015-01-14 | 深圳市动力聚能科技有限公司 | Method for charging lithium ion battery by using pulse current |
| US10727687B2 (en) | 2016-02-05 | 2020-07-28 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Charging system and method for terminal, power adapter and charging device |
| CN106537724A (en) * | 2016-02-05 | 2017-03-22 | 广东欧珀移动通信有限公司 | Charging method, power adapter and mobile terminal |
| CN106160094B (en) * | 2016-02-05 | 2017-08-29 | 广东欧珀移动通信有限公司 | For the charging system of terminal, charging method and power supply adaptor |
| CN106537724B (en) * | 2016-02-05 | 2020-01-10 | Oppo广东移动通信有限公司 | Charging method, adapter and mobile terminal |
| CN106160094A (en) * | 2016-02-05 | 2016-11-23 | 广东欧珀移动通信有限公司 | Charging system, charging method and power supply adaptor for terminal |
| US10749371B2 (en) | 2016-02-05 | 2020-08-18 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Charging device and method, power adapter and terminal |
| US10790696B2 (en) | 2016-02-05 | 2020-09-29 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Charging device and method, power adapter and terminal |
| US10910866B2 (en) | 2016-02-05 | 2021-02-02 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Charging system and charging method for terminal and power adapter |
| US10985595B2 (en) | 2016-02-05 | 2021-04-20 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Adapter and method of controlling charging process |
| US11070076B2 (en) | 2016-02-05 | 2021-07-20 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Charging method, charging system, and power adapter |
| US11539230B2 (en) | 2016-02-05 | 2022-12-27 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Device charging system, charging method, and power adapter |
| EP3567699B1 (en) * | 2016-07-26 | 2023-07-26 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Charging device and method, power adapter and terminal |
| CN111446513A (en) * | 2019-01-16 | 2020-07-24 | 大众汽车有限公司 | Method for treating a battery |
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| CN1079603C (en) | 2002-02-20 |
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