CN107706473A - A kind of BBU capacity restorative procedure, device, equipment and storage medium - Google Patents

A kind of BBU capacity restorative procedure, device, equipment and storage medium Download PDF

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Publication number
CN107706473A
CN107706473A CN201710961687.9A CN201710961687A CN107706473A CN 107706473 A CN107706473 A CN 107706473A CN 201710961687 A CN201710961687 A CN 201710961687A CN 107706473 A CN107706473 A CN 107706473A
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China
Prior art keywords
bbu
value
capacity
voltage value
load voltage
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CN201710961687.9A
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Chinese (zh)
Inventor
王淑童
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Zhengzhou Yunhai Information Technology Co Ltd
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Zhengzhou Yunhai Information Technology Co Ltd
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Priority to CN201710961687.9A priority Critical patent/CN107706473A/en
Publication of CN107706473A publication Critical patent/CN107706473A/en
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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
    • 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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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrotherapy Devices (AREA)

Abstract

This application discloses a kind of BBU capacity restorative procedure, device, equipment and storage medium, this method includes initializing BBU to equilibrium voltage value, is recharged to load voltage value；The BBU is discharged to first voltage value, is recharged to the load voltage value；First time reparation is carried out to the BBU, capability value is updated under the load voltage value, continues the first preset time；By the BBU deep discharges to the 50% of rated capacity, and carry out second and repair, continue the second preset time, the voltage and current in deep discharge process obtains assessing capability value；By the BBU deep charges to load voltage value, normal capacity value now is read；When assessment capability value and the normal capacity value difference within a preset range when, then complete to repair, therefore long-term use of BBU can be avoided to cause and be not enough to time needed for continuous systems dump data caused by capacity saltus step and dump the problem of failing, reduction system is endangered customer data, and required cost of labor is low.

Description

A kind of BBU capacity restorative procedure, device, equipment and storage medium
Technical field
The invention belongs to storage system power technique fields, more particularly to the capacity restorative procedure of BBU a kind of, device, Equipment and storage medium.
Background technology
In field of storage, mass data storage system is when occurring power down process, it is necessary in the current system internal memory of dump in time Data into hard disk, this just need one it is reliable and to the stand-by power supply (BBU) of power.BBU capacity is the bottle of system dump Neck, during long-time use, BBU capacity can elapse over time there is the saltus step that capacity diminishes, and the saltus step is due to hair Raw high-power 20A electric discharges or BBU inside chip power consumptions cause, and after system power failure, are not enough to continue needed for dump data Time, cause dump data failure.Existing restorative procedure is to carry out real-time operation by hardware EV2300 frocks, and connects electricity The instruments such as son load change capacity, and this must just monitor the change of the electric current of hardware, voltage and capacity, the time of consuming in real time Longer, cost of labor is higher.
The content of the invention
To solve the above problems, the invention provides a kind of BBU capacity restorative procedure, device, equipment and storage medium, It can avoid that long-term use of BBU causes the time being not enough to caused by capacity saltus step needed for continuous systems dump data and dump is lost The problem of losing, reduce system and customer data is endangered, and required cost of labor is low.
A kind of BBU provided by the invention capacity restorative procedure, including：
BBU is initialized to equilibrium voltage value, is recharged to load voltage value；
The BBU is discharged to first voltage value, is recharged to the load voltage value；
First time reparation is carried out to the BBU, updates capability value under the load voltage value, continue first it is default when Between；
By the BBU deep discharges to the 50% of rated capacity, and carry out second and repair, continue the second preset time, Voltage and current in deep discharge process obtains assessing capability value；
By the BBU deep charges to load voltage value, normal capacity value now is read；
When assessment capability value and the normal capacity value difference within a preset range when, then complete to repair.
Preferably, in above-mentioned BBU capacity restorative procedure, described initialize BBU to equilibrium voltage value is：
The magnitude of voltage of the BBU is read using I2C buses, is entered when the 97% of load voltage value of the magnitude of voltage more than BBU Row discharge operation, charging operations are carried out when magnitude of voltage is less than the 97% of load voltage value.
Preferably, it is described that the BBU is discharged to first voltage value in above-mentioned BBU capacity restorative procedure, recharge It is to the load voltage value：
Cut-off electric discharge, is recharged to the load voltage value when BBU is discharged into 12000mV.
Preferably, it is described when the assessment capability value and the normal capacity value in above-mentioned BBU capacity restorative procedure Difference within a preset range when, then complete reparation be：
When the absolute value of the assessment capability value and the difference of the normal capacity value is less than the 5% of the assessment capability value When, then complete to repair.
A kind of BBU provided by the invention capacity prosthetic device, including：
Initialization unit, for BBU to be initialized to equilibrium voltage value, it is recharged to load voltage value；
Electric discharge and charhing unit, for the BBU to be discharged into first voltage value, are recharged to the load voltage value；
First repairs unit, for carrying out first time reparation, the more new size under the load voltage value to the BBU Value, continues the first preset time；
Second repairs unit, for by the BBU deep discharges to the 50% of rated capacity, and carries out second and repairs, Continue the second preset time, the voltage and current in deep discharge process obtains assessing capability value；
Deep charge unit, for by the BBU deep charges to load voltage value, reading normal capacity value now；
Judging unit, for when assessment capability value and the normal capacity value difference within a preset range when, then Complete to repair.
Preferably, in above-mentioned BBU capacity prosthetic device, the initialization unit is specifically used for reading using I2C buses The magnitude of voltage of the BBU is taken, discharge operation is carried out when the 97% of load voltage value of the magnitude of voltage more than BBU, when magnitude of voltage is small Charging operations are carried out when the 97% of load voltage value.
Preferably, it is described that the electric discharge and charging are specifically used for by described in above-mentioned BBU capacity prosthetic device Cut-off electric discharge, is recharged to the load voltage value when BBU is discharged to 12000mV.
Preferably, in above-mentioned BBU capacity prosthetic device, the judging unit is specifically used for working as the assessment capability value When being less than the 5% of the assessment capability value with the absolute value of the difference of the normal capacity value, then complete to repair.
A kind of BBU provided by the invention capacity prosthetic appliance, including：
Memory, for storing computer program；
Processor, the capacity restorative procedure of the BBU as described in any one above is realized during for performing the computer program The step of.
A kind of storage medium provided by the invention, computer program, the computer journey are stored with the storage medium Realized when sequence is executed by processor as described in any one above the step of BBU capacity restorative procedure.
By foregoing description, BBU provided by the invention capacity restorative procedure, device, equipment and storage medium, by Include in this method：BBU is initialized to equilibrium voltage value, is recharged to load voltage value；The BBU is discharged to the first electricity Pressure value, it is recharged to the load voltage value；First time reparation is carried out to the BBU, updates and holds under the load voltage value Value, continue the first preset time；By the BBU deep discharges to the 50% of rated capacity, and carry out second and repair, continue Second preset time, the voltage and current in deep discharge process obtain assessing capability value；By the BBU deep charges extremely Load voltage value, read normal capacity value now；When the assessment capability value and the difference of the normal capacity value are being preset In the range of when, then complete to repair, therefore long-term use of BBU can be avoided to cause and be not enough to continuous systems caused by capacity saltus step and turn Store up the time needed for data and dump the problem of failing, reducing system endangers customer data, and required cost of labor is low.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is the schematic diagram of the capacity restorative procedure for the first BBU that the embodiment of the present application provides；
Fig. 2 is the schematic diagram of the capacity prosthetic device for the first BBU that the embodiment of the present application provides；
Fig. 3 is a kind of schematic diagram of the capacity prosthetic appliance for BBU that the embodiment of the present application provides.
Embodiment
The core concept of the present invention is capacity restorative procedure, device, equipment and the storage medium for providing a kind of BBU, energy Enough avoid that long-term use of BBU causes the time being not enough to caused by capacity saltus step needed for continuous systems dump data and dump fails The problem of, reduce system and customer data is endangered, and required cost of labor is low.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made Embodiment, belong to the scope of protection of the invention.
The capacity restorative procedure for the first BBU that the embodiment of the present application provides is as shown in figure 1, Fig. 1 is the embodiment of the present application The schematic diagram of the first BBU provided capacity restorative procedure, this method comprise the following steps：
S1：BBU is initialized to equilibrium voltage value, is recharged to load voltage value；
It should be noted that the operation for directly controlling BBU to charge and discharge using GPIO pins is can be, but not limited to, And by the way of I2C communications, BBU charge capacity, charging voltage and input current are controlled, the electricity inside BBU is obtained in real time The effective information such as pressure, charging current and discharge current, the process of BBU reparations is determined by these information.
S2：The BBU is discharged to first voltage value, is recharged to the load voltage value；
This is equilibrium discharge charging process, can first be discharged, by reading charging and discharging state inside BBU, to conclude that BBU exists During 12000mV, BBU cut-off electric discharges, then carry out charging and reach maximum, when charging current is 0mA, cut-off charging, so It is able to verify that whether discharge and recharge is normal.
S3：First time reparation is carried out to the BBU, updates capability value under the load voltage value, it is default to continue first Time；
BBU carries out therein study during being somebody's turn to do, and reads the status register inside BBU, it can be ensured that working as forehead Determine under voltage, capability value is updated, and the process can be, but not limited to lasting 2 hours.
S4：By the BBU deep discharges to the 50% of rated capacity, and carry out second and repair, continue second it is default when Between, the voltage and current in deep discharge process obtains assessing capability value；
Process BBU carries out therein study again, can be, but not limited to the time of lasting two hours.Utilize software Calculate this assessment capability value.
S5：By the BBU deep charges to load voltage value, normal capacity value now is read；
It is load voltage value that the BBU is namely full of to the value read afterwards.
S6：When assessment capability value and the normal capacity value difference within a preset range when, then complete to repair.
It should be noted that can be compiled using GCC compilers to host side program, generation can be in general procedure The executable program file performed on device CPU, the execution in linux system, once repaiied within each 3 to 6 months It is multiple, it is possible to ensure that BBU capacity will not saltus step.
By foregoing description, the capacity restorative procedure for the BBU that the embodiment of the present application provides, due to including：By at the beginning of BBU Beginningization is recharged to load voltage value to equilibrium voltage value；The BBU is discharged to first voltage value, is recharged to the volume Determine magnitude of voltage；First time reparation is carried out to the BBU, updates capability value under the load voltage value, continue first it is default when Between；By the BBU deep discharges to the 50% of rated capacity, and carry out second and repair, continue the second preset time, according to depth Voltage and current in degree discharge process obtains assessing capability value；By the BBU deep charges to load voltage value, read now Normal capacity value；When assessment capability value and the normal capacity value difference within a preset range when, then complete to repair, Therefore long-term use of BBU can be avoided to be not enough to the time needed for continuous systems dump data caused by causing capacity saltus step and turn The problem of storage failure, reduce system and customer data is endangered, and required cost of labor is low.
The capacity restorative procedure for second of BBU that the embodiment of the present application provides, is the capacity reparation in the first above-mentioned BBU On the basis of method, in addition to following technical characteristic：
Described initialize BBU to equilibrium voltage value be：
The magnitude of voltage of the BBU is read using I2C buses, is entered when the 97% of load voltage value of the magnitude of voltage more than BBU Row discharge operation, charging operations are carried out when magnitude of voltage is less than the 97% of load voltage value.
In general BBU rated voltages are 12300mV, now just need, when BBU voltage is higher than 11940mV, to be put Electricity, charged when BBU voltage is less than 11940mV, so as to be maintained at this magnitude of voltage.
The capacity restorative procedure for the third BBU that the embodiment of the present application provides, is the capacity reparation in above-mentioned second of BBU On the basis of method, in addition to following technical characteristic：
Described that the BBU is discharged into first voltage value, being recharged to the load voltage value is：
Cut-off electric discharge, is recharged to the load voltage value when BBU is discharged into 12000mV.
Enter it should be noted that BBU is discharged to after 12000mV to be recharged to load voltage value and can be allowed to rear BBU Row therein carries out the study in the range of small voltage.
The capacity restorative procedure for the 4th kind of BBU that the embodiment of the present application provides, is the capacity reparation in the third above-mentioned BBU On the basis of method, in addition to following technical characteristic：
The difference when assessment capability value and the normal capacity value within a preset range when, then complete to repair For：
When the absolute value of the assessment capability value and the difference of the normal capacity value is less than the 5% of the assessment capability value When, then complete to repair.
The capacity prosthetic device for the first BBU that the embodiment of the present application provides is as shown in Fig. 2 Fig. 2 is the embodiment of the present application The schematic diagram of the first BBU provided capacity prosthetic device, the device include：
Initialization unit 201, for BBU to be initialized to equilibrium voltage value, load voltage value is recharged to, it is necessary to illustrate , the operation for directly controlling BBU to charge and discharge using GPIO pins is can be, but not limited to, and using I2C communications Mode, BBU charge capacity, charging voltage and input current are controlled, obtain the voltage inside BBU, charging current in real time and put The effective information such as electric current, the process of BBU reparations is determined by these information；
Electric discharge and charhing unit 202, for the BBU to be discharged into first voltage value, are recharged to the rated voltage Value, can first discharge, by reading charging and discharging state inside BBU, to conclude BBU in 12000mV, and BBU cut-off electric discharges, then Carry out charging and reach maximum, when charging current is 0mA, cut-off charging, be so able to verify that whether discharge and recharge is normal；
First repairs unit 203, for carrying out first time reparation to the BBU, updates and holds under the load voltage value Value, continue the first preset time, specifically, BBU carries out therein study, read the status register inside BBU, can be with Ensure under current nominal voltage, capability value is updated, and the process can be, but not limited to lasting 2 hours；
Second repairs unit 204, for the BBU deep discharges to the 50% of rated capacity, and to be repaiied for the second time It is multiple, continue the second preset time, the voltage and current in deep discharge process obtains assessing capability value, specifically, BBU is again Secondary progress therein study, can be, but not limited to the time of lasting two hours.This assessment capacity is calculated using software Value；
Deep charge unit 205, for by the BBU deep charges to load voltage value, reading normal capacity now Value；
Judging unit 206, for when assessment capability value and the normal capacity value difference within a preset range when, Then complete to repair.
It should be noted that can be compiled using GCC compilers to host side program, generation can be in general procedure The executable program file performed on device CPU, the execution in linux system, once repaiied within each 3 to 6 months It is multiple, it is possible to ensure that BBU capacity will not saltus step.
The capacity prosthetic device for second of BBU that the embodiment of the present application provides, is the capacity reparation in the first above-mentioned BBU On the basis of device, in addition to following technical characteristic：
The initialization unit is specifically used for the magnitude of voltage that the BBU is read using I2C buses, when magnitude of voltage is more than BBU Load voltage value 97% when carry out discharge operation, when magnitude of voltage be less than load voltage value 97% when carry out charging operations.
In general BBU rated voltages are 12300mV, now just need, when BBU voltage is higher than 11940mV, to be put Electricity, charged when BBU voltage is less than 11940mV, so as to be maintained at this magnitude of voltage.
The capacity prosthetic device for the third BBU that the embodiment of the present application provides, is the capacity reparation in above-mentioned second of BBU On the basis of device, in addition to following technical characteristic：
The cut-off when electric discharge and charging are specifically used for the BBU being discharged to 12000mV is discharged, and is recharged to The load voltage value.
Enter it should be noted that BBU is discharged to after 12000mV to be recharged to load voltage value and can be allowed to rear BBU Row therein carries out the study in the range of small voltage.
The capacity prosthetic device for the 4th kind of BBU that the embodiment of the present application provides, is the capacity reparation in the third above-mentioned BBU On the basis of device, in addition to following technical characteristic：
The judging unit is specifically used for when the assessment capability value and the absolute value of the difference of the normal capacity value are small When the 5% of the assessment capability value, then complete to repair.
A kind of capacity prosthetic appliance for BBU that the embodiment of the present application provides is as shown in figure 3, Fig. 3 carries for the embodiment of the present application A kind of schematic diagram of the BBU supplied capacity prosthetic appliance, the equipment include：
Memory 301, for storing computer program；
Processor 302, the capacity reparation side of the BBU as described in any above is realized during for performing the computer program The step of method.
A kind of storage medium that the embodiment of the present application provides, computer program, the meter are stored with the storage medium The step of BBU capacity restorative procedure as described in any above is realized when calculation machine program is executed by processor.
The said equipment and storage medium can be avoided long-term due to the step of being able to carry out above-mentioned capacity restorative procedure Caused using BBU and be not enough to time needed for continuous systems dump data caused by capacity saltus step and dump the problem of failing, drop Low system is endangered customer data, and required cost of labor is low.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention. A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one The most wide scope caused.

Claims (10)

  1. A kind of 1. capacity restorative procedure of BBU, it is characterised in that including：
    BBU is initialized to equilibrium voltage value, is recharged to load voltage value；
    The BBU is discharged to first voltage value, is recharged to the load voltage value；
    First time reparation is carried out to the BBU, capability value is updated under the load voltage value, continues the first preset time；
    By the BBU deep discharges to the 50% of rated capacity, and carry out second and repair, continue the second preset time, according to Voltage and current in deep discharge process obtains assessing capability value；
    By the BBU deep charges to load voltage value, normal capacity value now is read；
    When assessment capability value and the normal capacity value difference within a preset range when, then complete to repair.
  2. 2. BBU according to claim 1 capacity restorative procedure, it is characterised in that described to initialize BBU to balance electricity Pressure value is：
    The magnitude of voltage of the BBU is read using I2C buses, is put when the 97% of load voltage value of the magnitude of voltage more than BBU It is electrically operated, carry out charging operations when magnitude of voltage is less than the 97% of load voltage value.
  3. 3. BBU according to claim 2 capacity restorative procedure, it is characterised in that described that the BBU is discharged to first Magnitude of voltage, being recharged to the load voltage value is：
    Cut-off electric discharge, is recharged to the load voltage value when BBU is discharged into 12000mV.
  4. 4. BBU according to claim 3 capacity restorative procedure, it is characterised in that it is described when it is described assessment capability value with The difference of the normal capacity value within a preset range when, then complete reparation be：
    When the absolute value of the assessment capability value and the difference of the normal capacity value is less than the 5% of the assessment capability value, Then complete to repair.
  5. A kind of 5. capacity prosthetic device of BBU, it is characterised in that including：
    Initialization unit, for BBU to be initialized to equilibrium voltage value, it is recharged to load voltage value；
    Electric discharge and charhing unit, for the BBU to be discharged into first voltage value, are recharged to the load voltage value；
    First repairs unit, for carrying out first time reparation to the BBU, updates capability value under the load voltage value, holds Continuous first preset time；
    Second repairs unit, for by the BBU deep discharges to the 50% of rated capacity, and carries out second and repairs, continues Second preset time, the voltage and current in deep discharge process obtain assessing capability value；
    Deep charge unit, for by the BBU deep charges to load voltage value, reading normal capacity value now；
    Judging unit, for when assessment capability value and the normal capacity value difference within a preset range when, then complete Repair.
  6. 6. BBU according to claim 5 capacity prosthetic device, it is characterised in that the initialization unit is specifically used for The magnitude of voltage of the BBU is read using I2C buses, electric discharge behaviour is carried out when the 97% of load voltage value of the magnitude of voltage more than BBU Make, charging operations are carried out when magnitude of voltage is less than the 97% of load voltage value.
  7. 7. BBU according to claim 6 capacity prosthetic device, it is characterised in that described to have the electric discharge and charging Cut-off is discharged when body is used to the BBU being discharged to 12000mV, is recharged to the load voltage value.
  8. 8. BBU according to claim 7 capacity prosthetic device, it is characterised in that the judging unit is specifically used for working as When the absolute value of the difference for assessing capability value and the normal capacity value is less than the 5% of the assessment capability value, then complete Repair.
  9. A kind of 9. capacity prosthetic appliance of BBU, it is characterised in that including：
    Memory, for storing computer program；
    Processor, the capacity reparation of the BBU as described in any one of Claims 1-4 is realized during for performing the computer program The step of method.
  10. 10. a kind of storage medium, it is characterised in that computer program, the computer program are stored with the storage medium Realized when being executed by processor as described in any one of Claims 1-4 the step of BBU capacity restorative procedure.
CN201710961687.9A 2017-10-16 2017-10-16 A kind of BBU capacity restorative procedure, device, equipment and storage medium Pending CN107706473A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710961687.9A CN107706473A (en) 2017-10-16 2017-10-16 A kind of BBU capacity restorative procedure, device, equipment and storage medium

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Application Number Priority Date Filing Date Title
CN201710961687.9A CN107706473A (en) 2017-10-16 2017-10-16 A kind of BBU capacity restorative procedure, device, equipment and storage medium

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CN107706473A true CN107706473A (en) 2018-02-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111130177A (en) * 2019-12-31 2020-05-08 浪潮(北京)电子信息产业有限公司 Management method, system and device of BBU

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04250376A (en) * 1991-01-28 1992-09-07 Shin Kobe Electric Mach Co Ltd Estimation of remaining capacity of closed type lead storage battery
CN101188322A (en) * 2007-10-15 2008-05-28 春兰(集团)公司 A repair method for self-discharging unqualified battery
CN102522601A (en) * 2011-11-21 2012-06-27 杭州储蕴丰科技有限公司 Vulcanization-induced failed lead-acid storage battery repair method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04250376A (en) * 1991-01-28 1992-09-07 Shin Kobe Electric Mach Co Ltd Estimation of remaining capacity of closed type lead storage battery
CN101188322A (en) * 2007-10-15 2008-05-28 春兰(集团)公司 A repair method for self-discharging unqualified battery
CN102522601A (en) * 2011-11-21 2012-06-27 杭州储蕴丰科技有限公司 Vulcanization-induced failed lead-acid storage battery repair method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111130177A (en) * 2019-12-31 2020-05-08 浪潮(北京)电子信息产业有限公司 Management method, system and device of BBU

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Application publication date: 20180216