CN103928722B - A kind of lead-acid accumulator multiple-way system online desulfurizing device of forward spike - Google Patents
A kind of lead-acid accumulator multiple-way system online desulfurizing device of forward spike Download PDFInfo
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- CN103928722B CN103928722B CN201410187509.1A CN201410187509A CN103928722B CN 103928722 B CN103928722 B CN 103928722B CN 201410187509 A CN201410187509 A CN 201410187509A CN 103928722 B CN103928722 B CN 103928722B
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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
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
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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
- H01M10/54—Reclaiming serviceable parts of waste accumulators
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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
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
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Abstract
The present invention relates to lead-acid accumulator sulfur removal technology field, disclose a kind of lead-acid accumulator multiple-way system online desulfurizing device of forward spike. It includes cpu central processing unit unit, spike occurs to control sulfur removal unit, relay drive integrated circult unit, battery tension collecting unit, it also includes single accumulator switch circuit units, and the outfan of single accumulator switch circuit units is connected with the two ends of each cell of accumulator battery; Voltage acquisition unit by Real-time Collection to monomer battery voltage information be transferred to cpu central processing unit unit, whether a certain cell is sent pulse by cpu central processing unit unit according to the delivering instruction received by a certain moment, this instruction is performed by single accumulator switch circuit units by Phototube Coupling and relay drive integrated circult unit, both accumulator balanced sulphur removal online can have been realized, sulfuration is continued prevented also from accumulator, improve the uniformity of accumulator, improve accumulator capacity, extend the life of storage battery.
Description
Technical field
The present invention relates to lead-acid accumulator sulfur removal technology field, specifically each cell in lead-acid batteries is carried out timesharing circulation sulphur removal and a kind of lead-acid accumulator multiple-way system online desulfurizing device of forward spike of voltage signal acquisition detection.
Background technology
The system dc back-up source application such as current China electric power, communication are most common is non-maintaining valve controlled sealed lead-acid accumulator. This " non-maintaining " lead-acid accumulator is typically in more than 5 years projected life, but in actual use, accumulator is not owing to obtaining the maintenance of science, cause accumulator battery each single battery uniformity that difference occurs, so that whole group storage battery capacity is gradually reduced so that accumulator average life is often below 5 years. Even if some accumulator are using, be also be on active service in " in spite of illness ", once there is the emergency such as power failure, as DC back-up power supply accumulator can not regular picture, often lead to major accident. Causing the reason that accumulator potential " in spite of illness " is on active service to be mainly, management method is improper, maintaining method is incorrect causes.
Typically result in a main cause of lead-acid accumulator deterioration precisely due to the difference of each single battery uniformity in accumulator battery, each cell uneven (battery after electric discharge will produce " sulfuration " as do not filled in time to satisfy) when causing charging, in accumulator battery underfill one joint or a few joint cell because filling insatiable hunger and " sulfuration ", the accumulator internal resistance of " sulfuration " increases, this just makes it bigger with the difference of other each batteries in group, and then cause that in battery, " sulfuration " increases the weight of, form vicious cycle, battery capacity cumulative bad in discharge and recharge use procedure is made to decline, this is the main cause that lead-acid accumulator degradation speed is accelerated.
For accumulator " sulfuration " problem, what taked in the past is that the mode that verification property is discharged solves. Many industries such as power industry, communications industry battery service code specify the accumulator not reaching rated capacity, carry out three times verification property put charging after, capacity does not still reach more than the 80% of rated capacity, is considered as accumulator and scraps, and only takes the mode changing accumulator to solve.Also occurred in that the off-line type recovery technique of various accumulator later, but this kind of restorative procedure to accumulator " sulfuration " significantly had the drawback that after accumulator battery serious deterioration just repair, and be that accumulator out of service just must can carry out off-line type reparation.
Accumulator positive, to spike desulfurizing device technology, is occur in recent years and the online sulfur removal technology of wide variety of accumulator. " (YD/T2064 2009) industry standard defines the requirement of communication lead-acid accumulator forward spike formula devulcanization equipment, test method and inspection rule etc., safeguards that device parameter and sulfur removal effectiveness inspection provide standard foundation for the online sulphur removal of lead-acid accumulator. Direct impulse ripple is put on set of cells two ends by this technology, this impulse wave produces resonance with the lead sulfate crystallization of " sulfuration " on cell negative plate, " smash " and lead sulfate crystallization that " dissolving " is big, so as to be dissolved in electrolyte, become little granule lead sulfate, and little granule lead sulfate can along with the carrying out of charging, it is broken down into lead ion and sulfate ion participates in reaction, ultimately becoming lead and Lead oxide brown returns on pole plate, making lead sulfate crystallization reduce from pole plate, thus recovering accumulator capacity.
The pulse output lead of existing desulfurization device is connected to the two ends of accumulator battery, spike ripple is directly applied to the two ends of accumulator battery, sulphur removal segment pulse can be tapped by electrical equipment and commutator and absorb, accumulator battery is caned the absorbtivity to spike energy and is reduced, and the sulfur limitation effect of accumulator battery is undesirable; And electrical equipment is easily caused ripple to disturb by the spike exceeding float charge voltage.
Summary of the invention
It is an object of the invention to provide a kind of lead-acid accumulator multiple-way system online desulfurizing device of forward spike, it is connected to the two ends of accumulator battery solving existing desulfurization device pulse output lead, spike energy is disperseed, and sulfur limitation effect is undesirable, it is easy to electrical equipment causes the problem that ripple disturbs.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
A kind of lead-acid accumulator multiple-way system online desulfurizing device of forward spike, it includes cpu central processing unit unit, spike occurs to control sulfur removal unit, relay drive integrated circult unit, voltage acquisition unit, it also includes single accumulator switch circuit units, described single accumulator switch circuit units occurs control sulfur removal unit, described relay drive integrated circult unit, described voltage acquisition unit to be connected with described spike, and the outfan of described single accumulator switch circuit units is connected with the two ends of each cell of accumulator battery; The voltage signal of the single battery collected is transferred to described cpu central processing unit unit by described voltage acquisition unit, described cpu central processing unit unit occurs control sulfur removal unit, described relay drive integrated circult unit to send signal to described spike, single accumulator switch circuit units carries out action, is sequentially carried out online spike sulphur removal or voltage detecting operation for each cell.
As a further improvement on the present invention, described relay drive integrated circult unit is connected with several photoelectric isolating circuits, it is prevented that the reverse transmission of storage battery signal.
Further improvement as the present invention, described spike occurs to control sulfur removal unit and includes pulse generating circuit, pulse generation and battery detecting change-over circuit, the input of described pulse generating circuit is connected with described cpu central processing unit unit, described pulse generation is connected with described cpu central processing unit unit with the input of battery detecting change-over circuit, the outfan of described pulse generation and battery detecting change-over circuit is connected with described single accumulator switch circuit units by relay, described cpu central processing unit unit described single accumulator switch circuit units is controlled by the folding of relay, each cell timesharing successively circulation of described accumulator battery is carried out spike sulphur removal or voltage sample detection operation.
As the further improvement of the present invention, the spike timesharing that described pulse generating circuit sends circulates successively, is only once a cell sulphur removal in accumulator battery.
Further improvement as the present invention, described voltage acquisition unit is controlled each cell timesharing circle collection voltage forming accumulator battery by described cpu central processing unit unit, each cell sulfur limitation effect of accumulator battery is once assessed by one sulphur removal cycle cpu central processing unit unit, and to spike, sulfur removal unit is occurred to control by cpu central processing unit unit and send the next sulphur removal cycle and accumulator battery often saves cell provide respectively and continue sulphur removal or stop the different instruction of sulphur removal.
Voltage acquisition is Real-time Collection, within general 1 minute, gathers once; One sulphur removal cycle is 10 ~ 30 days.
As the further improvement of the present invention, pulse signal produced by described pulse generating circuit is forward spike, and whether a certain cell is sent the instruction control that pulse is sent according to sulfur limitation effect assessment result by cpu central processing unit unit by a certain moment.
Pulse current, pulse amplitude, pulse frequency and pulse duty factor size are set with reference to relevant criterion by producer according to different accumulator usable conditions.
As the further improvement of the present invention, the quantity of described photoelectric isolating circuit is more than the quantity of the cell of composition accumulator battery, and the photoelectric isolating circuit having more is for the isolation of pulse generation and battery detecting change-over circuit.
The invention have the benefit that
(1) present invention adopts online operating type, sulphur removal output of pulse signal line connects positive and negative the two poles of the earth of the every batteries of accumulator battery respectively, the forward spike of described pulse generating circuit output is applied directly on each cell, without being absorbed with accumulator battery the electrical equipment that connects, improve the present invention sulfur removal effectiveness to accumulator;
(2) accumulator battery is composed in series by more piece cell, utilize sulphur removal of the present invention, owing to can realize that the often joint cell of accumulator battery is carried out balanced sulphur removal, therefore, it is possible to improve the uniformity of each cell performance of accumulator battery, thus effectively promoting battery capacity, enhance the security reliability of accumulator power supply in support;
(3) present invention utilizes described single accumulator switch circuit units to be connected with the often joint cell of accumulator battery, it is possible to by the monomer voltage of the every batteries of battery voltage acquisition electric circuit inspection, provide foundation for the assessment present invention to the sulfur limitation effect of accumulator;
(4) the online desulfurization device of this accumulator is articulated in accumulator battery for a long time and often saves on cell, whether a certain cell is sent pulse and is sent instruction control by cpu central processing unit unit according to sulfur limitation effect assessment result by a certain moment, both accumulator balanced sulphur removal online can have been realized, prevented also from accumulator, sulfuration occurs, extend the life-span of accumulator;
(5) present invention in use sulphur removal pulse output signals puts on the ripple interference at electrical equipment two ends less than 30mV, the performance of electrical equipment will not be produced impact;
(6) present invention accesses accumulator battery, is no longer necessary to manually carry out other and intervenes, decrease the maintenance workload of accumulator after normal operation.
Accompanying drawing explanation
Fig. 1 is prior art two-wire system desulfurization device wiring schematic diagram;
Fig. 2 is that the present invention uses state wiring schematic diagram;
Fig. 3 is the schematic block circuit diagram of the present invention;
Fig. 4 is that in the present invention, spike occurs to control sulfur removal unit and battery voltage acquisition element circuit schematic diagram;
Fig. 5 is repeat circuit drive integrated circult element circuit schematic diagram of the present invention;
Fig. 6 is single accumulator switch circuit units circuit diagram in the present invention;
Fig. 7 is that the present invention uses wiring diagram;
Fig. 8 is that the present invention is applied to monomer voltage contrast sectional drawing before and after a certain communication base station battery vulcanization removing;
Fig. 9 is that the present invention is applied to monomer voltage contrast sectional drawing before and after another communication base station battery vulcanization removing;
In figure: 1, cpu central processing unit unit, 2, spike occurs to control sulfur removal unit, 3, relay drive integrated circult unit, 4, voltage acquisition unit, 5, single accumulator switch circuit units, 6, accumulator battery, 8, electrical equipment, 9, commutator, 21, pulse generating circuit, 22, pulse generation and battery detecting change-over circuit, 31, photoelectric isolating circuit.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further detailed explanation.
Such as Fig. 2 to a kind of lead-acid accumulator multiple-way system online desulfurizing device of forward spike shown in 7, it includes cpu central processing unit unit 1, spike occurs to control sulfur removal unit 2, relay drive integrated circult unit 3, voltage acquisition unit 4, it also includes single accumulator switch circuit units 5, single accumulator switch circuit units 5 occurs control sulfur removal unit 2, relay drive integrated circult unit 3, voltage acquisition unit 4 to be connected with spike, and the outfan of single accumulator switch circuit units 5 is connected with the two ends of each cell of accumulator battery 6; The voltage signal of the single battery collected is transferred to cpu central processing unit unit 1 by voltage acquisition unit 4, cpu central processing unit unit 1 occurs to control sulfur removal unit 2 to spike, relay drive integrated circult unit 3 sends signal, single accumulator switch circuit units 5 carries out action, and each cell for accumulator battery 6 is sequentially carried out online spike sulphur removal or voltage detecting operation.
Relay drive integrated circult unit 3 is connected with several photoelectric isolating circuits 31, it is prevented that the reverse transmission of storage battery signal. The quantity of photoelectric isolating circuit 31 is more than the quantity of each cell of composition accumulator battery 6, and the photoelectric isolating circuit 31 having more is for the isolation of pulse generation and battery detecting change-over circuit 22.
Spike occurs to control sulfur removal unit 2 and includes pulse generating circuit 21, pulse generation and battery detecting change-over circuit 22, the input of pulse generating circuit 21 is connected with cpu central processing unit unit 1, pulse generation is connected with cpu central processing unit unit 1 with the input of battery detecting change-over circuit 22, pulse generation is connected with single accumulator switch circuit units 5 by relay with the outfan of battery detecting change-over circuit 22, single accumulator switch circuit units 5 is controlled by cpu central processing unit unit 1 by the folding of relay, each cell timesharing successively circulation of accumulator battery 6 is carried out spike sulphur removal or voltage sample detection operation. the spike timesharing that pulse generating circuit 21 sends circulates successively, is only once 1 cell sulphur removal in accumulator battery 6. voltage acquisition unit 4 is controlled each cell timesharing circle collection voltage forming accumulator battery 6 by cpu central processing unit unit 1, each cell sulfur limitation effect of accumulator battery 6 is carried out 1 assessment by one sulphur removal cycle (10 ~ 30 days) cpu central processing unit unit 1, and to spike, sulfur removal unit 2 is occurred to control by cpu central processing unit unit 1 and send the often joint cell to accumulator battery 6 of the next sulphur removal cycle and provide respectively and continue sulphur removal or stop the different instruction of sulphur removal.Voltage acquisition is Real-time Collection, within general 1 minute, gathers once.
Pulse signal produced by pulse generating circuit 21 is forward spike, and whether a certain cell is sent the instruction control that pulse is sent according to sulfur limitation effect assessment result by cpu central processing unit unit 1 by a certain moment. Pulse current, pulse amplitude, pulse frequency and pulse duty factor size are set with reference to relevant criterion by producer according to different accumulator usable conditions.
As shown in Figure 2, accumulator battery 6 is connected in series by n batteries BT1, BT2 ..., BTn, the present invention is provided with n+1 bar sulphur removal output lead L1, L2 ..., Ln+1 are added in the two ends of n single battery BT1 of accumulator battery 6, BT2 ..., BTn respectively, timesharing periodic duty, form n independent electric current circle, sulphur removal pulse energy will not be tapped by electrical equipment 8 and commutator 9, overwhelming majority spike energy is absorbed by each cell BT1 of accumulator battery 6, BT2 ..., BTn, is effectively improved the present invention sulfur removal effectiveness to accumulator battery 6.
Owing to the sulphur removal pulse ripple of the present invention disturbs less than 30mV, electrical equipment 8 will not be produced impact.
In the present invention, the circuit structure of spike generation control sulfur removal unit 2 and voltage acquisition unit 4 is as shown in Figure 4,22nd foot of cpu central processing unit unit 1, the 23rd foot meet PWM1, PWM2 of pulse generating circuit 21 respectively, and the 10th foot of cpu central processing unit unit 1 meets the voltage signal delivery circuit AD3 of voltage acquisition unit 4.
The structure of repeat circuit drive integrated circult unit 3 of the present invention is as shown in Figure 5,2 ends of photoelectric isolating circuit 31, the 1B pin OUTC1 of the U38 of 4 relay termination drive integrated circults 3 of photoelectric isolating circuit 31 in the OUT1 map interlinking 5 drawn by the 15th foot of cpu central processing unit unit 1 in Fig. 4.
In the present invention, the structure of single accumulator switch circuit units 5 is as shown in Figure 6, the D1 signal input part JD1 of single accumulator switching circuit 5 in the JD1 map interlinking 6 drawn by the 1C pin of the U38 of Fig. 5 repeat circuit drive integrated circult unit 3, the relay output end 4,3 of single accumulator switch circuit units 5 is connected to the positive and negative electrode two ends of accumulator battery 6 Section 1 battery BT1 respectively. In Fig. 6, each outfan 4,3 of 24 relays connects the positive and negative electrode two ends of the every batteries BT1 of accumulator battery 6, BT2 ..., BTn respectively. In Fig. 6, relay input BT+, BT-of single accumulator switch circuit units 5 are connected with relay output end BT+, BT-of pulse generation in Fig. 4 and battery detecting change-over circuit 22 respectively.
The wherein OUT1 of the cpu central processing unit unit 1 relay drive integrated circult unit 3 by Fig. 5, control signal is inputted the relay input JD1 of the single-unit accumulator switch circuit units 5 of Fig. 6, JD1 relay 3,4 adhesive of the single accumulator switch circuit units 5 in control Fig. 6, cell BT1 is cut circuit, and other cell circuits are cut off. The pulse that in Fig. 4, pulse generating circuit 21 sends inputs relay input BT+, BT-of the single accumulator switch circuit units 5 of Fig. 6 by BT+, BT-of pulse generating circuit 21, for the 1st cell BT1 sulphur removal of accumulator battery 6 in Fig. 6. Due to control signal timesharing periodic duty, in synchronization Fig. 6, signal do not received by other relays, and the non-adhesive of relay 3,4 of JD2 to JD24, BT2 to BT24 also would not receive sulphur removal pulse.
The OUT1 to OUT26 that in Fig. 4, cpu central processing unit unit 1 is drawn, it is connected with 26 Phototube Coupling input circuits 31 in Fig. 5,26 outfans in 26 photoelectric isolating circuits 31 are connected with 26 input OUTC1 to OUTC26 of the U38 to U41 of Fig. 5 repeat circuit drive integrated circult unit 3, and in 26 outfan JD1 to JD26 and Fig. 6 of the U38 to U41 of relay drive integrated circult unit 3,26 relay input JD1 to JD26 of single accumulator switch circuit units 5 connect.This 26 road signal controls by cpu central processing unit unit 1, wherein the OUT1 to OUT26 of cpu central processing unit unit 1 is by the U38 to U41 in 26 photoelectric isolating circuits 31 and relay drive integrated circult unit 3, 26 control signals are inputted respectively 26 relay input JD1 to JD26 of the single accumulator switch circuit units 5 of Fig. 6, the pulse that wherein 24 relay J D1 to JD24 in single accumulator switch circuit units 5 control to be sent by pulse generating circuit in Fig. 4 21 respectively (passes through BT+, BT-end inputs the relay BT+ of the single accumulator switch circuit units 5 of Fig. 6, BT-end) timesharing circulates successively, it it is only once wherein 1 cell sulphur removal of accumulator battery 6 in Fig. 6.
Fig. 6 repeat circuit JD25 controls 3, the 4 end adhesives of relay J D25, Fig. 4 repeat circuit JD25 of pulse generation and battery detecting change-over circuit 22 in Fig. 4, and BT+, BT-end has sulphur removal pulse to export; 3,4 ends of Fig. 4 repeat circuit JD25 disconnect, BT+, BT-end does not have sulphur removal pulse to export, now the 1 of Fig. 4 repeat circuit JD25,2 end adhesive, voltage acquisition unit 4 gathers the terminal voltage of corresponding cell in the accumulator battery 6 of Fig. 6 repeat circuit 3,4 end adhesive by BT+, BT-end. Voltage sample is controlled timesharing circle collection by cpu central processing unit unit 1 equally, for cell, does not gather voltage during battery vulcanization removing; When gathering voltage, accumulator not sulphur removal.
Voltage acquisition is Real-time Collection, within general 1 minute, gathers once. Each cell sulfur limitation effect of accumulator battery 6 is carried out 1 assessment by one sulphur removal cycle (10 ~ 30 days) cpu central processing unit unit 1, and to spike, sulfur removal unit 2 is occurred to control by cpu central processing unit unit 1 and send the often joint cell to accumulator battery 6 of the next sulphur removal cycle and provide respectively and continue sulphur removal or stop the different instruction of sulphur removal.
After each sulphur removal end cycle, cpu central processing unit unit 1 all can pass through the voltage acquisition unit 4 method to the often joint cell timesharing circulation of accumulator battery 6 and detect the cell voltage value of every batteries. After one sulphur removal end cycle, in accumulator battery 6, monomer battery voltage has three kinds of situations of change, namely restrains to accumulator battery 6 average voltage level, disperses round about, without significant change. Continuous two sulphur removal cycles, in accumulator battery 6, monomer battery voltage is still without significant change, then show that pulse sulphur removal is effective, and cpu central processing unit unit 1 occurs to control sulfur removal unit 2 to spike and sends instruction, in the next sulphur removal cycle, stop this cell is carried out pulse sulphur removal; In continuous two sulphur removal cycle accumulator batteries 6, monomer battery voltage is restrained to accumulator battery average voltage level, the next sulphur removal cycle, continues it is carried out pulse sulphur removal; Continuous two sulphur removal cycles, in accumulator battery 6, monomer battery voltage is dispersed to accumulator battery 6 average voltage level rightabout, then show that this pulse sulphur removal pattern is invalid to this battery or this other reason of battery system causes deterioration, cannot repair, cpu central processing unit unit 1 occurs to control sulfur removal unit 2 to spike and sends instruction, in the next sulphur removal cycle, stop this cell is carried out pulse sulphur removal. Whether a certain cell is sent pulse by a certain moment is occurred control sulfur removal unit 2 to send control instruction according to sulfur limitation effect assessment result to spike by cpu central processing unit unit 1.
JD26 is duplicate relay, controls for other.
Fig. 7 is the use wiring diagram of desulfurization device of the present invention, and a playscript with stage directions invention can be 24 joint 2V accumulator battery 6 sulphur removal simultaneously; Also can setting different sulphur removal pulse amplitudes, be 24 joint 12V accumulator battery sulphur removal, multiple stage cascade can be the accumulator battery sulphur removal of different joint number.
Fig. 8 is that the present invention is applied to the 1st group of 2V �� 24th of a certain communication base station and saves accumulator and install multiple-way system of the present invention online desulfurization device monomer voltage monitoring contrast sectional drawing after 40 days additional. In figure, corresponding with each battery label has two bar diagrams representing this label cell voltage height, and wherein above a bar diagram is initial value, and latter one bar diagram is currency. It can be seen that No. 8 batteries are gone back up to 2.243V by initial voltage 2.198V. If do not carried out the online sulphur removal of spike, this accumulator battery discharge capability is by very poor; Sulphur removal ran after 40 days (on March 1,21 days to 2014 January in 2014), No. 8 batteries directly recover, and make accumulator battery integral battery door capacity get a promotion, it is to avoid whole Battery pack is scrapped.
Fig. 9 is the monomer voltage monitoring contrast sectional drawing that the present invention is applied to that another communication base station 2V �� 24 joint accumulator installs the online desulfurization device of multiple-way system of the present invention additional 45 days after (on March 1,15 days to 2014 January in 2014). In figure, corresponding with each battery label has two bar diagrams representing this label cell voltage height, and wherein before each battery label, a bar diagram is initial value, and latter one bar diagram is currency. As can be seen from Figure, after 45 days, all battery cell voltages are all restrained to accumulator battery average voltage, and namely all battery cell voltages all tend to meansigma methods, and sulfur limitation effect is obvious.
In the present embodiment, accumulator battery is 24 joint cells, each monomer battery voltage is 2V, the chip used model of cpu central processing unit unit is STM32F103R8 (B) T6, and the chip used model of relay drive integrated circult unit is: ULN2003. Utilizing the operation principle of the present invention, the present invention may be designed as lead-acid batteries sulphur removal and the monitoring of online cell of the various combinations of different single battery voltage (such as 2V, 12V etc.) and different joint number (such as 18 joints, 24 joints, 56 joints etc.).
Claims (5)
1. the lead-acid accumulator multiple-way system online desulfurizing device of forward spike, it includes cpu central processing unit unit (1), spike occurs to control sulfur removal unit (2), relay drive integrated circult unit (3), voltage acquisition unit (4), it is characterized in that: it also includes single accumulator switch circuit units (5), described single accumulator switch circuit units (5) and described spike occur to control sulfur removal unit (2), described relay drive integrated circult unit (3), described voltage acquisition unit (4) is connected, the described outfan of single accumulator switch circuit units (5) is connected with the two ends of each cell of accumulator battery (6), the voltage signal of the single battery collected is transferred to described cpu central processing unit unit (1) by described voltage acquisition unit (4), described cpu central processing unit unit (1) occurs to control sulfur removal unit (2) to described spike, described relay drive integrated circult unit (3) sends signal, single accumulator switch circuit units (5) carries out action, and each cell for accumulator battery (6) is sequentially carried out online spike sulphur removal or voltage detecting operation, described spike occurs to control sulfur removal unit (2) and includes pulse generating circuit (21), pulse generation and battery detecting change-over circuit (22), the input of described pulse generating circuit (21) is connected with described cpu central processing unit unit (1), described pulse generation is connected with described cpu central processing unit unit (1) with the input of battery detecting change-over circuit (22), described pulse generation is connected with described single accumulator switch circuit units (5) by relay with the outfan of battery detecting change-over circuit (22), described cpu central processing unit unit (1) described single accumulator switch circuit units (5) is controlled by the folding of relay, each cell timesharing successively circulation of described accumulator battery (6) is carried out spike sulphur removal or voltage sample detection operation,Described relay drive integrated circult unit (3) is connected with several photoelectric isolating circuits (31), it is prevented that the reverse transmission of storage battery signal.
2. a kind of lead-acid accumulator multiple-way system online desulfurizing device of forward spike according to claim 1, it is characterized in that: the spike timesharing that described pulse generating circuit (21) sends circulates successively, be only once a cell sulphur removal in accumulator battery (6).
3. a kind of lead-acid accumulator multiple-way system online desulfurizing device of forward spike according to claim 1, it is characterized in that: described voltage acquisition unit (4) is controlled each cell timesharing circle collection voltage forming accumulator battery (6) by described cpu central processing unit unit (1), each cell sulfur limitation effect of accumulator battery (6) is once assessed by one sulphur removal cycle cpu central processing unit unit (1), and to spike, sulfur removal unit (2) is occurred to control by cpu central processing unit unit (1) and send the often joint cell to accumulator battery (6) of the next sulphur removal cycle and provide respectively and continue sulphur removal or stop the different instruction of sulphur removal.
4. a kind of lead-acid accumulator multiple-way system online desulfurizing device of forward spike according to claim 1, it is characterized in that: pulse signal produced by described pulse generating circuit (21) is forward spike, whether a certain cell of accumulator battery (6) is sent the instruction control that pulse is sent according to sulfur limitation effect assessment result by cpu central processing unit unit (1) by a certain moment.
5. a kind of lead-acid accumulator multiple-way system online desulfurizing device of forward spike according to claim 1, it is characterized in that: the quantity of described photoelectric isolating circuit (31) is more than the quantity of the cell of composition accumulator battery (6), and the photoelectric isolating circuit having more (31) is for the isolation of pulse generation and battery detecting change-over circuit (22).
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| CN106356573B (en) * | 2014-11-17 | 2019-04-05 | 国网河南省电力公司南阳供电公司 | A kind of online sulphur removal maintenance process of storage batteries of transformer substation based on LAN |
| CN110858722A (en) * | 2018-08-23 | 2020-03-03 | 深圳沃达泰克科技有限公司 | Electric quantity equalization method of battery pack |
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| 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 |
| CN202573850U (en) * | 2011-11-15 | 2012-12-05 | 中山普润斯电源设备技术有限公司 | Power battery group interlocking structure |
| CN203967213U (en) * | 2014-05-06 | 2014-11-26 | 常蓬彬 | The online desulfurizing device of a kind of lead acid accumulator multiple-way system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2013036226A1 (en) * | 2011-09-08 | 2013-03-14 | Canadus Power Systems, Llc | Desulfation device |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN202573850U (en) * | 2011-11-15 | 2012-12-05 | 中山普润斯电源设备技术有限公司 | Power battery group interlocking structure |
| CN203967213U (en) * | 2014-05-06 | 2014-11-26 | 常蓬彬 | The online desulfurizing device of a kind of lead acid accumulator multiple-way system |
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