CN105826625A - Capacity-increasing water loss control recharging method for lead-acid storage battery - Google Patents
Capacity-increasing water loss control recharging method for lead-acid storage battery Download PDFInfo
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- CN105826625A CN105826625A CN201610254562.8A CN201610254562A CN105826625A CN 105826625 A CN105826625 A CN 105826625A CN 201610254562 A CN201610254562 A CN 201610254562A CN 105826625 A CN105826625 A CN 105826625A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention relates to a capacity-increasing water loss control recharging method for a lead-acid storage battery. A three-phase type recharging method as follows is adopted: adopting a constant current recharging method as a first phase recharging method; adopting an intermittent variable current recharging method as a second phase recharging method; adopting a constant current and constant voltage float charging method as a third phase recharging method. According to the invention, the medium constant voltage recharging phase in the original three-phase type recharging method is changed to the intermittent variable current recharging; the water loss of the storage battery is effectively avoided; the energy exchange efficiency is increased; the purposes of capacity increasing and water loss control are achieved; the service life of the battery is prolonged.
Description
Technical field
The present invention relates to the charging method of a kind of accumulator, particularly relate to the charging method of a kind of lead-acid accumulator increase-volume control dehydration.
Background technology
Being charged analysing valve control type lead-acid accumulator battery, use at present standard constant current/constant-voltage charge method, it includes three stage charging system: the small area analysis floating charge section in the constant current charge section of early stage, the constant-voltage charge section in mid-term and later stage, as shown in Figure 1.But employing standard recharging methods, cannot meet the needs of some high voltage battery now, the method can cause accumulator charging dehydration height, energy conversion efficiency poor.
Although analysing valve control type lead-acid accumulator battery has a negative electrode absorption function, positive pole produces oxygen and can be absorbed by negative pole by barrier film and air chamber, but negative electrode infiltration rate be limited (because of valve control battery intrinsic pressure be limited).If determining overtension, positive pole goes out oxygen excessive velocities, and infiltration rate does not catches up with, and necessarily causes battery dehydration.There is the failure phenomenon such as micro-short circuit, sulphation in analysing valve control type lead-acid accumulator battery, and battery dehydration induces often.Certainly, the too low of charged electrical compression set is also inappropriate, can reduce discharge capacity.
Therefore, in current charging method, there is side reaction in the constant-voltage charge section in mid-term, and initial stage electric current is very big, and dehydration is a lot.Due to diffusion coefficient, pole plate plate face response speed is more than concentration of electrolyte diffusion velocity, causes supply deficiency, thus dehydration is the highest, affects battery life.
Summary of the invention
The charging method that present invention mainly solves the employing of original accumulator causes accumulator charging dehydration height, energy conversion efficiency poor, affects the technical problem of battery life；Thering is provided the charging method of a kind of lead-acid accumulator increase-volume control dehydration, it can be prevented effectively from accumulator dehydration, improves energy conversion efficiency, extends battery life.
The above-mentioned technical problem of the present invention is mainly addressed by following technical proposals: the charging method of a kind of lead-acid accumulator increase-volume control dehydration of the present invention, use three stage charging system method, three stage charging system method includes: first paragraph charging method uses constant-current charge method, second segment charging method uses batch (-type) time-dependent current charging method, the 3rd section of charging method to use constant current constant voltage floating charge method.The constant-voltage charge section in mid-term in original three stage charging system method is changed into the charging of batch (-type) time-dependent current by the present invention, is prevented effectively from accumulator dehydration, improves energy conversion efficiency, reaches the purpose of increase-volume control dehydration, extends battery life.
As preferably, at the end of described first paragraph charging method, cell voltage is U；Described batch (-type) time-dependent current charging method comprises the steps:
The first step, charges a few minutes with electric current I1 and voltage U, then stops filling a few minutes；
Second step, charges a few minutes with electric current I2 and voltage U, then stops filling a few minutes；
3rd step, charges a few minutes with electric current I3 and voltage U, then stops filling a few minutes；
N walks, and charges a few minutes with electric current In and voltage U, then stops filling a few minutes；
Then described the 3rd section charging method is started；
Wherein, I1, I2, I3 ..., In are sequentially reduced.
It is charged as the mid-term of accumulator dropping the charging of electric current control voltage gap, it is to avoid battery dehydration, it is ensured that battery.
As preferably, in described batch (-type) time-dependent current charging method in each step to stop the time of filling identical.
As preferably, described batch (-type) time-dependent current charging method was gradually increased from the charging interval that the first step to N walks.It is prevented effectively from accumulator dehydration, improves energy conversion efficiency.
As preferably, at the end of described first paragraph charging method, cell voltage U is 60V；Described batch (-type) time-dependent current charging method comprises the steps:
The first step, charges 2 minutes with electric current 2.3A and voltage 60V, then stops filling 5 minutes；
Second step, charges 6 minutes with electric current 2A and voltage 60V, then stops filling 5 minutes；
3rd step, charges 7 minutes with electric current 1.8A and voltage 60V, then stops filling 5 minutes；
4th step, charges 14 minutes with electric current 1.5A and voltage 60V, then stops filling 5 minutes；
5th step, charges 25 minutes with electric current 1.2A and voltage 60V, then stops filling 5 minutes；
6th step, charges 30 minutes with electric current 1A and voltage 60V, then stops filling 5 minutes；
7th step, charges 49 minutes with electric current 0.8A and voltage 60V, then stops filling 5 minutes；
8th step, charges 174 minutes with electric current 0.5A and voltage 60V, then stops filling 5 minutes；
Then described the 3rd section charging method is started.
As preferably, the constant-current charge method that described first paragraph charging method is used is: charge 522 minutes with electric current 2.5A, when cell voltage U arrives 60V, terminates first paragraph charging method, starts second segment charging method.
As preferably, the constant current constant voltage floating charge method that the 3rd section of described charging method is used is: charge 120 minutes with electric current 0.25A and voltage 56V.
The invention has the beneficial effects as follows: the constant-voltage charge section in mid-term in original three stage charging system method is changed into the charging of batch (-type) time-dependent current, is prevented effectively from accumulator dehydration, improve energy conversion efficiency, reach the purpose of increase-volume control dehydration, extend battery life.
Accompanying drawing explanation
Electric current, voltage and a kind of relation schematic diagram of time when Fig. 1 is that in prior art, accumulator uses common charging method.
Fig. 2 is a kind of relation schematic diagram of electric current in the embodiment of the present invention, voltage and time.
Detailed description of the invention
Below by embodiment, and combine accompanying drawing, technical scheme is described in further detail.
Embodiment: the charging method of a kind of lead-acid accumulator increase-volume control dehydration of the present embodiment, use three stage charging system method, three stage charging system method includes: first paragraph charging method uses constant-current charge method, second segment charging method uses batch (-type) time-dependent current charging method, the 3rd section of charging method to use constant current constant voltage floating charge method.
In the present embodiment, as in figure 2 it is shown,
The constant-current charge method that first paragraph charging method is used is: charge 522 minutes with electric current 2.5A, when cell voltage U arrives 60V, terminates first paragraph charging method, starts second segment charging method.
The batch (-type) time-dependent current charging method that second segment charging method is used comprises the steps:
The first step, charges 2 minutes with electric current 2.3A and voltage 60V, then stops filling 5 minutes；
Second step, charges 6 minutes with electric current 2A and voltage 60V, then stops filling 5 minutes；
3rd step, charges 7 minutes with electric current 1.8A and voltage 60V, then stops filling 5 minutes；
4th step, charges 14 minutes with electric current 1.5A and voltage 60V, then stops filling 5 minutes；
5th step, charges 25 minutes with electric current 1.2A and voltage 60V, then stops filling 5 minutes；
6th step, charges 30 minutes with electric current 1A and voltage 60V, then stops filling 5 minutes；
7th step, charges 49 minutes with electric current 0.8A and voltage 60V, then stops filling 5 minutes；
8th step, charges 174 minutes with electric current 0.5A and voltage 60V, then stops filling 5 minutes；
Then the 3rd section of charging method is started.
The constant current constant voltage floating charge method that 3rd section of charging method is used is: charge 120 minutes with electric current 0.25A and voltage 56V.Complete the charging to accumulator.
The constant-voltage charge section in mid-term in original three stage charging system method is changed into the charging of batch (-type) time-dependent current by the present invention, is prevented effectively from accumulator dehydration, improves energy conversion efficiency, reaches the purpose of increase-volume control dehydration, extends battery life.
Claims (7)
1. the charging method of a lead-acid accumulator increase-volume control dehydration, it is characterized in that using three stage charging system method, three stage charging system method includes: first paragraph charging method uses constant-current charge method, second segment charging method uses batch (-type) time-dependent current charging method, the 3rd section of charging method to use constant current constant voltage floating charge method.
The charging method of a kind of lead-acid accumulator increase-volume control dehydration the most according to claim 1, it is characterised in that at the end of described first paragraph charging method, cell voltage is U；Described batch (-type) time-dependent current charging method comprises the steps:
The first step, charges a few minutes with electric current I1 and voltage U, then stops filling a few minutes；
Second step, charges a few minutes with electric current I2 and voltage U, then stops filling a few minutes；
3rd step, charges a few minutes with electric current I3 and voltage U, then stops filling a few minutes；
N walks, and charges a few minutes with electric current In and voltage U, then stops filling a few minutes；
Then described the 3rd section charging method is started；
Wherein, I1, I2, I3 ..., In are sequentially reduced.
The charging method of a kind of lead-acid accumulator increase-volume control dehydration the most according to claim 2, it is characterised in that in described batch (-type) time-dependent current charging method in each step to stop the time of filling identical.
The charging method of a kind of lead-acid accumulator increase-volume control dehydration the most according to claim 2, it is characterised in that be gradually increased from the charging interval that the first step to N walks in described batch (-type) time-dependent current charging method.
5. according to the charging method of a kind of lead-acid accumulator increase-volume control dehydration described in Claims 2 or 3 or 4, it is characterised in that at the end of described first paragraph charging method, cell voltage U is 60V；Described batch (-type) time-dependent current charging method comprises the steps:
The first step, charges 2 minutes with electric current 2.3A and voltage 60V, then stops filling 5 minutes；
Second step, charges 6 minutes with electric current 2A and voltage 60V, then stops filling 5 minutes；
3rd step, charges 7 minutes with electric current 1.8A and voltage 60V, then stops filling 5 minutes；
4th step, charges 14 minutes with electric current 1.5A and voltage 60V, then stops filling 5 minutes；
5th step, charges 25 minutes with electric current 1.2A and voltage 60V, then stops filling 5 minutes；
6th step, charges 30 minutes with electric current 1A and voltage 60V, then stops filling 5 minutes；
7th step, charges 49 minutes with electric current 0.8A and voltage 60V, then stops filling 5 minutes；
8th step, charges 174 minutes with electric current 0.5A and voltage 60V, then stops filling 5 minutes；
Then described the 3rd section charging method is started.
The charging method of a kind of lead-acid accumulator increase-volume control dehydration the most according to claim 5, it is characterized in that the constant-current charge method that described first paragraph charging method is used is: charge 522 minutes with electric current 2.5A, when cell voltage U arrives 60V, terminate first paragraph charging method, start second segment charging method.
The charging method of a kind of lead-acid accumulator increase-volume control dehydration the most according to claim 5, it is characterised in that the constant current constant voltage floating charge method that the 3rd section of described charging method is used is: charge 120 minutes with electric current 0.25A and voltage 56V.
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| CN201610254562.8A CN105826625B (en) | 2016-04-20 | 2016-04-20 | A kind of charging method of lead-acid accumulator increase-volume control dehydration |
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| CN201610254562.8A CN105826625B (en) | 2016-04-20 | 2016-04-20 | A kind of charging method of lead-acid accumulator increase-volume control dehydration |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602159A (en) * | 2016-12-02 | 2017-04-26 | 奇酷互联网络科技（深圳）有限公司 | Charging method and charging device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1237071A (en) * | 1998-05-27 | 1999-12-01 | 日本电气株式会社 | Portable radio terminal equipment with switching function of character font |
| CN1770548A (en) * | 2005-09-23 | 2006-05-10 | 周明明 | Intermittent flow charging method for accumulator |
| CN103633388A (en) * | 2013-11-08 | 2014-03-12 | 超威电源有限公司 | Formation system of internal formation lead-acid storage battery |
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2016
- 2016-04-20 CN CN201610254562.8A patent/CN105826625B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1237071A (en) * | 1998-05-27 | 1999-12-01 | 日本电气株式会社 | Portable radio terminal equipment with switching function of character font |
| CN1770548A (en) * | 2005-09-23 | 2006-05-10 | 周明明 | Intermittent flow charging method for accumulator |
| CN103633388A (en) * | 2013-11-08 | 2014-03-12 | 超威电源有限公司 | Formation system of internal formation lead-acid storage battery |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602159A (en) * | 2016-12-02 | 2017-04-26 | 奇酷互联网络科技（深圳）有限公司 | Charging method and charging device |
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Address after: 313100 Zhejiang city of Huzhou province Changxing County pheasant emerging urban industrial park Patentee after: Chaowei Power Group Co., Ltd Address before: 313100 Zhejiang city of Huzhou province Changxing County pheasant emerging urban industrial park Patentee before: Chilwee Power Supply Co., Ltd. |
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