CN102751543A - Pulse current method for repairing lead-acid battery and lead-acid storage battery sulphur remover - Google Patents
Pulse current method for repairing lead-acid battery and lead-acid storage battery sulphur remover Download PDFInfo
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- CN102751543A CN102751543A CN2011100966583A CN201110096658A CN102751543A CN 102751543 A CN102751543 A CN 102751543A CN 2011100966583 A CN2011100966583 A CN 2011100966583A CN 201110096658 A CN201110096658 A CN 201110096658A CN 102751543 A CN102751543 A CN 102751543A
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Abstract
The invention discloses a pulse current method for repairing a lead-acid storage battery, and a lead-acid storage battery sulphur remover, and relates to storage battery technology. A single-chip control module controls a pulse current generating module to output pulse for sulfur removal on a counter electrode; an internal resistance measuring module measures internal resistance of the lead-acid battery; the single-chip control module determines the trend of the internal resistance according to data; if the internal resistance declines, the pulse current generating module outputs unchanged pulse to continue the sulfur removal; and if the internal resistance stops declining or rises, the pulse current generating module stops the sulfur removal. The remover can automatically determine precipitation state of counter electrode lead sulfate crystal through the internal resistance, and take corresponding measures, so as to remove sulfur on the storage battery without damage the counter electrode.
Description
Technical field
The present invention relates to the battery technology field, is pulse current method and desulfurizing device, especially the lead acid accumulator desulfurizing device of repairing lead acid accumulator.
Background technology
Lead acid accumulator in use can produce the lead sulfate material, and lead sulfate can resolve into lead and sulfuric acid in the charging process, participates in the electrochemical reaction of storage battery again.But lead sulfate is a kind of material of very easy crystallization, and usually the crystallization postprecipitation is at the pole plate of storage battery, and therefore reduces the effecting reaction area of storage battery, reduces the capacity of storage battery.In order to overcome the difficult problem that lead sulfate is prone to crystallization, people have carried out a large amount of research and experiment.
Common solution comprises chemical method and physical method.Chemical method is to be deposited on the lead sulfate crystal on the storage battery substrate through in storage battery, injecting the chemical substance dissolving; But because the sealing maintenance free cell is present trend, the inapplicable maintenance free cell of chemical method.Physical method is constantly to launch high frequency electric pulse through the battery two-stage to battery, smashes the lead sulfate crystal that is deposited on the storage battery substrate by electric pulse, recovers the effecting reaction area of accumulator plate, improves battery capacity; Simultaneously, the lead sulfate crystal is crashed to pieces into granule, comes back in the middle of the electrochemical reaction.
The main research direction of (nearly 20 years) people is best at which kind of pulse sulfur limitation effect for many years, United States Patent (USP) U.S.Pat.No.5 for example, 491,399, U.S.Pat.No.5; 525,892, U.S.Pat.No.5,677; 612, U.S.Pat.No.5,808,447, U.S.Pat.No.5; 891,590 patents such as dozens of such as grade, its difference only are that the shape of pulse is different.
High frequency electric pulse can the lead sulfate crystal of scavenger precipitation on the storage battery substrate have become people's common recognition, but the high frequency electric pulse technology is still controversial.Discover that through the storage battery of same high frequency electric pulse, the repairing effect that has is very good, the repairing effect that has is not only bad, even some battery capacity decline, to such an extent as to battery complete failure.Trace it to its cause, high frequency electric pulse technology repairing effect is good, is because high frequency electric pulse has been removed the lead sulfate crystal on the accumulator plate; High frequency electric pulse causes battery capacity to descend, and is because high frequency electric pulse directly impacts accumulator plate, causes the accumulator pole dash-board injury.But people never find and judge that high frequency electric pulse is in the sulphur removal state or is in the criterion of damaging polar plate status.Because the high frequency electric pulse technology is repaired the uncertainty of storage battery effect, this technology never has large tracts of land and uses.
Summary of the invention
The purpose of this invention is to provide a kind of pulse current method and lead acid accumulator desulfurizing device of repairing lead acid accumulator, battery capacity is descended to solve existing pulse current storage battery recovery technique, even the problem that lost efficacy.
In order to achieve the above object, technical solution of the present invention is:
A kind of pulse current method of repairing lead acid accumulator, its single chip control module control impuls electric current generating module output pulse is to the accumulator plate sulphur removal; By the internal resistance of internal resistance measurement module measurement lead acid accumulator, and internal resistance value is passed to single chip control module store, data are judged internal resistance trend thus; If internal resistance descends, pulse current generating module output pulse is constant, continues sulphur removal; If internal resistance stops to descend, or rising is arranged, then the pulse current generating module stops sulphur removal;
Automatically judge the deposition state of accumulator plate lead sulfate crystal through internal resistance, and take related technical measures, promptly can reach battery vulcanization removing, do not damage the purpose of pole plate again.
The pulse current method of described reparation lead acid accumulator, it comprises step:
S1, pulse desulfurizing device power supply are given electricity, single chip control module command pulse electric current generating module emission sulphur removal pulse, and sulphur removal begins to accumulator plate;
S2, after one hour, single chip control module command pulse electric current generating module is suspended, simultaneously, instruction internal resistance measurement module obtains the internal resistance R1 of lead acid accumulator through the AC measurment method, and internal resistance R1 is passed to single chip control module store;
The command pulse electric current generating module emission sulphur removal pulse again of S3, single chip control module; After one hour; The pulse current generating module is suspended; Single chip control module instruction internal resistance measurement module obtains the internal resistance R2 of lead acid accumulator through the AC measurment method, and internal resistance R2 is passed to single chip control module store;
S4, single chip control module are judged internal resistance trend according to data, if command pulse electric current generating module emission sulphur removal pulse is continued in internal resistance R1-internal resistance R2＞0, continue the repetition S2-S3 step; If sulphur removal is suspended in internal resistance R1-internal resistance R2＜0, after one hour, carry out the S5 step;
S5, single chip control module instruction internal resistance measurement module obtain the internal resistance R3 of lead acid accumulator through the AC measurment method, and internal resistance R3 are passed to single chip control module store;
S6, wait one hour;
S7, single chip control module instruction internal resistance measurement module obtain the internal resistance R4 of lead acid accumulator through the AC measurment method, and internal resistance R4 are passed to single chip control module store;
S8, single chip control module are judged internal resistance trend according to data, if command pulse electric current generating module emission sulphur removal pulse is continued in internal resistance R3-internal resistance R4＞0, continue the repetition S2-S3 step; If internal resistance R3-internal resistance R4＜0 repeats the S5-S8 step.
The pulse current method of described reparation lead acid accumulator, the pulse frequency and the duty ratio of its said single chip control module control impuls electric current generating module; The pulse duration of pulse current generating module is 10us, and pulse frequency is 8KHz.
The lead acid accumulator desulfurizing device that a kind of described pulse current method is used comprises the pulse current generating module, single chip control module, internal resistance measurement module, pulse desulfurizing device power supply; Its pulse current generating module, internal resistance measurement module are parallel to the positive and negative terminal of lead acid accumulator, and are electrically connected with single chip control module respectively, carry out both-way communication; Pulse desulfurizing device power supply is electrically connected with pulse current generating module, single chip control module, internal resistance measurement module respectively, is they power supplies.
Described lead acid accumulator desulfurizing device has been copied function software in its said single chip control module.
The invention has the beneficial effects as follows that first prolongs the useful life of storage battery.Accumulator plate has deposited a large amount of lead sulfate crystal because very most of battery malfunction is, makes storage battery effecting reaction area reduce.In the mobile base station according to a large amount of use of statistics storage battery, be about 3 years the average life of storage battery, the application of the invention lead acid accumulator desulfurizing device, and can extend to 8 years useful life; Second keeps storage battery to be in optimum Working, and general storage battery is when work, and pole plate is some sulfate precipitate leading crystal always, thereby influences the capacity of storage battery, the application of the invention plumbic acid desulfurizing device, and accumulator plate is in clean conditions all the time.
Description of drawings
Fig. 1 is a lead acid accumulator desulfurizing device structural representation block diagram of the present invention;
Fig. 2 is the pulse current method flow sketch map of reparation lead acid accumulator of the present invention;
Fig. 3 is with the sulphur removal state diagram of pulse current method of the present invention to the polar plate of lead acid storage battery sulphur removal;
Fig. 4 is the microgram of new polar plate of lead acid storage battery; Species distribution on the pole plate is even, is spongy;
Fig. 5 is for safeguarding the microgram of extraordinary accumulator plate; Can see that some variations have taken place pole plate, hardening appears in the particle chap;
The lead sulfate crystal microgram of Fig. 6 for producing on the accumulator plate in the middle of using;
Fig. 7 is the pole plate microgram after pulse sulphur removal a period of time;
Fig. 8 is the final microgram of pulse sulphur removal;
Fig. 9 is the accumulator internal resistance measuring circuit figure of lead acid accumulator pulse desulfurizing device of the present invention;
Figure 10 is the pulse-generating circuit circuit diagram of lead acid accumulator pulse desulfurizing device of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is the principle of lead acid accumulator pulse desulfurizing device of the present invention and connects sketch map.Among the figure, storage battery 1, pulse current generating module 2, single chip control module 3, internal resistance measurement module 4, pulse desulfurizing device power supply 5.Lead acid accumulator pulse desulfurizing device of the present invention comprises pulse current generating module 2, single chip control module 3, internal resistance measurement module 4, pulse desulfurizing device power supply 5.Wherein, pulse current generating module 2, internal resistance measurement module 4 are parallel to the positive and negative terminal of lead acid accumulator 1, and are electrically connected with single chip control module 3 respectively, carry out both-way communication.Pulse desulfurizing device power supply 5 is electrically connected with pulse current generating module 2, single chip control module 3, internal resistance measurement module 4 respectively, is they power supplies.
Repair the test of storage battery learns through pulse current method many times: when the beginning pulse current impacted the lead sulfate crystal that precipitates on the pole plate, the lead sulfate crystal was smashed by pulse current gradually, and returns normal electrochemical reaction, and simultaneously, accumulator internal resistance descends; But, when be deposited in lead sulfate crystal on the accumulator plate be eliminated finish after, pulse current begins to impact pole plate itself, the result is, pulse current punctures the part accumulator plate, accumulator internal resistance gos up, accumulator property descends simultaneously.
Based on above result of the test; In order to overcome existing pulse current storage battery recovery technique battery capacity is descended; A kind of pulse current method of repairing lead acid accumulator of the present invention; Seeing shown in Figure 2ly, is the pulse current method flow sketch map of reparation lead acid accumulator of the present invention, the pulse frequency and the duty ratio of single chip control module 3 control impuls electric current generating module 2.Usually pulse duration is 10us, and pulse frequency is 8KHz; Internal resistance measurement module 4 obtains the internal resistance of lead acid accumulator 1 through the AC measurment method, and single chip control module 3 is passed in internal resistance, and data are judged internal resistance trend thus.If internal resistance descends, the 2 output pulses of pulse current generating module are constant, continue sulphur removal; If internal resistance stops to descend, or rising is arranged, then pulse current generating module 2 stops sulphur removal.Because the pulse desulfurizing device can be judged the deposition state of lead sulfate crystal automatically through internal resistance, and takes related technical measures, promptly can reach battery vulcanization removing, but not damage the purpose of pole plate.
A kind of pulse current method of repairing lead acid accumulator of the present invention, concrete steps comprise:
S1, pulse desulfurizing device power supply 5 are given electricity, the 2 emission sulphur removal pulses of single chip control module 3 command pulse electric current generating module, and sulphur removal begins to pole plate.
S2, after one hour, single chip control module 3 command pulse electric current generating module 2 are suspended, simultaneously, instruction internal resistance measurement module 4 obtains the internal resistance R1 of lead acid accumulator 1 through the AC measurment method, and internal resistance R1 is passed to single chip control module 3 store.
The command pulse electric current generating module 2 emission sulphur removal pulses again of S3, single chip control module 3; After one hour; Pulse current generating module 2 is suspended; Single chip control module 3 instruction internal resistance measurement modules 4 obtain the internal resistance R2 of lead acid accumulator 1 through the AC measurment method, and internal resistance R2 are passed to single chip control module 3 store.
S4, single chip control module 3 are judged internal resistance trend according to data, if the 2 emission sulphur removal pulses of command pulse electric current generating module are continued in internal resistance R1-internal resistance R2＞0, continue the repetition S2-S3 step; If sulphur removal is suspended in internal resistance R1-internal resistance R2＜0, after one hour, carry out the S5 step.
S5, single chip control module 3 instruction internal resistance measurement modules 4 obtain the internal resistance R3 of lead acid accumulator 1 through the AC measurment method, and internal resistance R3 are passed to single chip control module 3 store.
S6, wait one hour.
S7, single chip control module 3 instruction internal resistance measurement modules 4 obtain the internal resistance R4 of lead acid accumulator 1 through the AC measurment method, and internal resistance R4 are passed to single chip control module 3 store.
S8, single chip control module 3 are judged internal resistance trend according to data, if the 2 emission sulphur removal pulses of command pulse electric current generating module are continued in internal resistance R3-internal resistance R4＞0, continue the repetition S2-S3 step; If internal resistance R3-internal resistance R4＜0 repeats the S5-S8 step.
The pulse current method of reparation storage battery of the present invention is: can the transmitted pulse electric current and the battery vulcanization removing device of measuring accumulator internal resistance simultaneously be connected in parallel on and need the storage battery two ends of repairing.The transmitted pulse electric current is measured accumulator internal resistance, if accumulator internal resistance descends, then continues the transmitted pulse electric current; If accumulator internal resistance tends towards stability, then stop sulphur removal, make storage battery be in the very low state of internal resistance all the time.So, the battery vulcanization removing device is in operating state in on-line intelligence ground for a long time.Fig. 9 is the accumulator internal resistance measuring circuit, LTC6943 provide 0.110 with 0.010V voltage, amplifier IC1 and power MOSFET Q1, to stablize closed loop frequency be that 0.5Hz, electric current are the square wave current source of 1A to composition, and current source is applied to the two ends of mesuring battary.Because battery has internal resistance, the square-wave signal that it is 0.5Hz that the battery two ends can produce a frequency.S1, S2 and chopper amplifier IC5 can amplify the square-wave signal that the mesuring battary two ends produce, the voltage of output 0-1V, and the different internal resistances of cell produces varying voltage signal.Figure 10 is a pulse-generating circuit of the present invention, and pulse-generating circuit produces pulse by single-chip microcomputer.The pulsed drive Q1 switch that single-chip microcomputer produces, and produce pulse thus through L1, L2.Storage battery for clearance obtains pulse through L2, removes the lead sulfate crystal on the accumulator plate.
Through discovering in a large number, the reason that the pulse sulfur removal technology reduces battery capacity is that after the lead sulfate crystal was eliminated totally, high-frequency impulse directly impacted pole plate, caused the pole plate damage, thereby reduced battery capacity.Discover further in the pulse sulphur removal process that the internal resistance of cell descends; In the pulse damage pole plate process, the internal resistance of cell rises.Like Fig. 3, wherein abscissa be sulphur removal time (my god), ordinate is the internal resistance of cell (milliohm).According to the state that can confirm sulphur removal with lower curve: be in the sulphur removal state and still damage polar plate status; Simultaneously can also confirm whether the crystal on the pole plate is cleaned out.
Through judging that if be in the sulphur removal state, desulfurizing device works on; If be in the damage polar plate status, stop sulphur removal.Can remove the lead sulfate crystal of storage battery like this, not damage pole plate again simultaneously, make the best of both worlds.
Referring to Fig. 4, be the microgram of new polar plate of lead acid storage battery; Species distribution on the pole plate is even, is spongy.
Referring to Fig. 5, for safeguarding the microgram of extraordinary accumulator plate; Can see that some variations have taken place pole plate, hardening appears in the particle chap.
Referring to Fig. 6, be the lead sulfate crystal microgram that produces on the accumulator plate in the middle of using.The lead sulfate crystal that can produce on the accumulator plate in the middle of using generally speaking; What wherein replace spongy pole plate is the thick crystal grain of particle.The generation of crystal grain can reduce the effecting reaction area of accumulator plate, reduces sulfuric acid concentration and electrolyte density, finally reduces battery capacity, causes storage battery to scrap in advance.
Referring to Fig. 7 is pulse sulphur removal a period of time pole plate microgram afterwards, and the part crystal is crashed to pieces.
Referring to Fig. 8 is the final microgram of pulse sulphur removal.Comparison diagram 6, crystal disappears basically; Comparison diagram 4, cavernous body reappears.Proof pulse sulphur removal produces effect.
Fig. 9 is the accumulator internal resistance measuring circuit figure of lead acid accumulator pulse desulfurizing device of the present invention; Figure 10 is the pulse-generating circuit circuit diagram of lead acid accumulator pulse desulfurizing device of the present invention; This circuit produces pulse by single-chip microcomputer; The pulsed drive Q1 switch that single-chip microcomputer produces; And producing pulse thus through L1, L2, storage battery for clearance obtains pulse through L2, removes the lead sulfate crystal on the accumulator plate.
Claims (5)
1. a pulse current method of repairing lead acid accumulator is characterized in that, single chip control module control impuls electric current generating module output pulse is to the accumulator plate sulphur removal; By the internal resistance of internal resistance measurement module measurement lead acid accumulator, and internal resistance value is passed to single chip control module store, data are judged internal resistance trend thus; If internal resistance descends, pulse current generating module output pulse is constant, continues sulphur removal; If internal resistance stops to descend, or rising is arranged, then the pulse current generating module stops sulphur removal;
Automatically judge the deposition state of accumulator plate lead sulfate crystal through internal resistance, and take related technical measures, promptly can reach battery vulcanization removing, do not damage the purpose of pole plate again.
2. the pulse current method of reparation lead acid accumulator as claimed in claim 1 is characterized in that, comprises step:
S1, pulse desulfurizing device power supply are given electricity, single chip control module command pulse electric current generating module emission sulphur removal pulse, and sulphur removal begins to accumulator plate;
S2, after one hour, single chip control module command pulse electric current generating module is suspended, simultaneously, instruction internal resistance measurement module obtains the internal resistance R1 of lead acid accumulator through the AC measurment method, and internal resistance R1 is passed to single chip control module store;
The command pulse electric current generating module emission sulphur removal pulse again of S3, single chip control module; After one hour; The pulse current generating module is suspended; Single chip control module instruction internal resistance measurement module obtains the internal resistance R2 of lead acid accumulator through the AC measurment method, and internal resistance R2 is passed to single chip control module store;
S4, single chip control module are judged internal resistance trend according to data, if command pulse electric current generating module emission sulphur removal pulse is continued in internal resistance R1-internal resistance R2＞0, continue the repetition S2-S3 step; If sulphur removal is suspended in internal resistance R1-internal resistance R2＜0, after one hour, carry out the S5 step;
S5, single chip control module instruction internal resistance measurement module obtain the internal resistance R3 of lead acid accumulator through the AC measurment method, and internal resistance R3 are passed to single chip control module store;
S6, wait one hour;
S7, single chip control module instruction internal resistance measurement module obtain the internal resistance R4 of lead acid accumulator through the AC measurment method, and internal resistance R4 are passed to single chip control module store;
S8, single chip control module are judged internal resistance trend according to data, if command pulse electric current generating module emission sulphur removal pulse is continued in internal resistance R3-internal resistance R4＞0, continue the repetition S2-S3 step; If internal resistance R3-internal resistance R4＜0 repeats the S5-S8 step.
3. according to claim 1 or claim 2 the pulse current method of reparation lead acid accumulator is characterized in that the pulse frequency and the duty ratio of said single chip control module control impuls electric current generating module; The pulse duration of pulse current generating module is 10us, and pulse frequency is 8KHz.
4. the lead acid accumulator desulfurizing device that pulse current method as claimed in claim 1 is used comprises the pulse current generating module, single chip control module, internal resistance measurement module, pulse desulfurizing device power supply; It is characterized in that pulse current generating module, internal resistance measurement module are parallel to the positive and negative terminal of lead acid accumulator, and be electrically connected with single chip control module respectively, carry out both-way communication; Pulse desulfurizing device power supply is electrically connected with pulse current generating module, single chip control module, internal resistance measurement module respectively, is they power supplies.
5. lead acid accumulator desulfurizing device as claimed in claim 1 is characterized in that, has copied function software in the said single chip control module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110096658.3A CN102751543B (en) | 2011-04-18 | 2011-04-18 | Pulse current method for repairing lead-acid battery and lead-acid storage battery sulphur remover |
| PCT/CN2011/082859 WO2012126252A1 (en) | 2011-04-18 | 2011-11-24 | Storage battery repairing method and device |
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| CN201110096658.3A CN102751543B (en) | 2011-04-18 | 2011-04-18 | Pulse current method for repairing lead-acid battery and lead-acid storage battery sulphur remover |
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| CN102751543A true CN102751543A (en) | 2012-10-24 |
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Cited By (3)
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| CN109449509A (en) * | 2018-10-18 | 2019-03-08 | 陈明 | A kind of lead-acid accumulator off-network restorative procedure and instrument for repairing |
| CN110752411A (en) * | 2019-11-12 | 2020-02-04 | 朴元成 | Battery repairing method and device |
| CN113437370A (en) * | 2021-05-13 | 2021-09-24 | 广西电网有限责任公司南宁供电局 | Storage battery efficiency maintenance method and equipment based on resonant pulse repair technology |
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| JP2009048870A (en) * | 2007-08-20 | 2009-03-05 | Eco Just:Kk | Secondary battery regeneration method |
| CN101577438A (en) * | 2009-06-19 | 2009-11-11 | 深圳市迪迪美环保科技有限公司 | High-capacity back-up power maintaining method based on remote monitoring platform |
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Patent Citations (3)
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| CN1801523A (en) * | 2005-12-16 | 2006-07-12 | 许凤山 | Lossless repairing device for high capacity sealed lead-acid accumulator |
| JP2009048870A (en) * | 2007-08-20 | 2009-03-05 | Eco Just:Kk | Secondary battery regeneration method |
| CN101577438A (en) * | 2009-06-19 | 2009-11-11 | 深圳市迪迪美环保科技有限公司 | High-capacity back-up power maintaining method based on remote monitoring platform |
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| CN109449509A (en) * | 2018-10-18 | 2019-03-08 | 陈明 | A kind of lead-acid accumulator off-network restorative procedure and instrument for repairing |
| CN110752411A (en) * | 2019-11-12 | 2020-02-04 | 朴元成 | Battery repairing method and device |
| CN113437370A (en) * | 2021-05-13 | 2021-09-24 | 广西电网有限责任公司南宁供电局 | Storage battery efficiency maintenance method and equipment based on resonant pulse repair technology |
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Effective date of registration: 20160607 Address after: 101317, Beijing Shunyi District capital airport cherry garden area 10, building 602 Patentee after: Xiao Min Address before: 101317, Beijing Shunyi District capital airport cherry garden area 10, building 602 Patentee before: Xiao Min Patentee before: Hu Xin |
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