CN107664752A - A kind of battery pack method of calibration, apparatus and system - Google Patents
A kind of battery pack method of calibration, apparatus and system Download PDFInfo
- Publication number
- CN107664752A CN107664752A CN201710800454.0A CN201710800454A CN107664752A CN 107664752 A CN107664752 A CN 107664752A CN 201710800454 A CN201710800454 A CN 201710800454A CN 107664752 A CN107664752 A CN 107664752A
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- Prior art keywords
- battery pack
- battery
- discharge
- voltage
- oxide
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
Abstract
The present invention discloses a kind of battery pack method of calibration, apparatus and system, and method of calibration includes step：Electric discharge open command is sent to battery pack, battery pack is discharged；Discharge current size is monitored, counts discharge capacity；Battery voltage is monitored according to discharge capacity, when battery voltage is in response to setting voltage threshold, sends electric discharge turn off orders, battery pack stops electric discharge；Compare the discharge capacity of statistics and default battery capacity, if eligible, battery pack is normal；If ineligible, battery pack is abnormal.Calibration equipment includes discharge module, current monitoring module, voltage monitoring module and battery state judge module.Check system includes mainboard and BBU components.The present invention realizes to be verified to the intelligent of Li-ion batteries piles in BBU, be can ensure that the use of battery pack is normal, is ensured system normal operation after a power failure.
Description
Technical field
The present invention relates to battery to verify field, and in particular to a kind of battery pack method of calibration, apparatus and system.
Background technology
To ensure server steady operation, server master board is typically further equipped with BBU in addition to being powered by PSU（Battery
Backup Unit, battery back unit）, influence to run to prevent system power failure.BBU typically provides power supply by Li-ion batteries piles,
And once battery-powered deficiency or appearance are abnormal, then can not ensure to power to server master board after system power failure.
The content of the invention
To solve the above problems, the present invention provides a kind of battery pack method of calibration, apparatus and system, to ensure that correction is normal
Battery pack can be supplied to the enough circuits of system, ensure system normal operation after a power failure, and verify abnormal battery pack,
Staff can handle it in time, remove a hidden danger.
The technical scheme is that：A kind of battery pack method of calibration, comprises the following steps：
Electric discharge open command is sent to battery pack, battery pack is discharged；
Discharge current size is monitored, counts discharge capacity；
Battery voltage is monitored according to discharge capacity, when battery voltage is in response to setting voltage threshold, sends electric discharge cut-off
Order, battery pack stop electric discharge；
Compare the discharge capacity of statistics and default battery capacity, if eligible, battery pack is normal；If ineligible,
Then battery pack is abnormal.
Further, in addition to step：Compare last time checking time and current time, if lead time exceedes preset time
Poor threshold value, then carry out verification operation.
Further, in addition to step：After battery pack stops electric discharge, charging instruction is sent to battery pack, battery pack is carried out
Charging.
Further, the monitoring discharge current size is specially and is spaced preset period of time to carry out primary current detection；
It is described that voltage after battery voltage specially interval preset period of time monitoring one-shot battery group is discharged is monitored according to discharge capacity.
The present invention also provides a kind of battery pack calibration equipment, including：
Discharge module：For sending electric discharge unlatching and cutoff command to battery pack；Battery pack is opened according to electric discharge and cutoff command
Discharged or stop discharging；
Current monitoring module：For monitoring discharge current size, discharge capacity is counted；
Voltage monitoring module：For monitoring battery voltage according to discharge capacity；When battery voltage is in response to setting voltage threshold
During value, discharge module sends electric discharge turn off orders, and battery pack stops electric discharge；
Battery state judge module：Compare the discharge capacity of statistics and default battery capacity, if eligible, battery pack
Normally；If ineligible, battery pack is abnormal.
Further, in addition to：
Checking time judge module：For comparing last time checking time and current time, if lead time is poor more than preset time
Threshold value, then carry out verification operation.
Further, in addition to：Charging module：After stopping electric discharge for battery pack, charging instruction is sent to battery pack, is made
Battery pack is charged.
Further, current monitoring modular spacing preset period of time carries out primary current detection；
Voltage after the monitoring one-shot battery group electric discharge of voltage monitoring modular spacing preset period of time.
The present invention also provides a kind of battery pack check system, including mainboard and BBU components；
The BMC chip and CPLD chips of electrical connection are set on the mainboard；
The BBU components include：Battery pack, fuse, discharge and recharge metal-oxide-semiconductor, resistor, the first metal-oxide-semiconductor, battery set management device,
Current sensor, battery charger and boost pressure controller；
The CPLD chips are electrically connected with boost pressure controller, the grid of the first metal-oxide-semiconductor, battery set management device, current sensor respectively
Connect；
The boost pressure controller is electrically connected by battery charger with the drain electrode of discharge and recharge metal-oxide-semiconductor；The drain electrode of first metal-oxide-semiconductor
Electrically connected by resistor with the drain electrode of discharge and recharge metal-oxide-semiconductor, the source ground of the first metal-oxide-semiconductor；Battery set management device and discharge and recharge
The grid electrical connection of metal-oxide-semiconductor；The source electrode of discharge and recharge metal-oxide-semiconductor is electrically connected by fuse with battery pack；Fuse also with battery pack
Manager electrically connects；Current sensor electrically connects with battery pack, battery manager respectively.
Further, status lamp driving chip is additionally provided with mainboard；The status lamp driving chip respectively with CPLD cores
Piece, the electrical connection of BBU components；
BBU components also include eeprom chip and Oring metal-oxide-semiconductors；The eeprom chip respectively with battery set management device,
CPLD chips electrically connect；The grid of Oring metal-oxide-semiconductors connects CPLD chips, drain electrode connects voltage source, source electrode connects discharge and recharge metal-oxide-semiconductor
Drain electrode.
Battery pack method of calibration provided by the invention, device and system, realize the intelligence to Li-ion batteries piles in BBU
Change verification, can ensure that the use of battery pack is normal, ensure system normal operation after a power failure.
Brief description of the drawings
Fig. 1 is specific embodiment of the invention method of calibration principle process schematic diagram.
Fig. 2 is specific embodiment of the invention check system circuit diagram.
Fig. 3 is specific embodiment of the invention check system BBU assembly circuit schematic diagrames.
In figure, 1- mainboards, 2-BBU components, 3-BMC chips, 4-CPLD chips, 5- status lamp driving chips, 6- battery packs,
7- fuses, 8- discharge and recharge metal-oxide-semiconductors, 9- battery set management devices, 10- resistors, the metal-oxide-semiconductors of 11- first, 12-Oring metal-oxide-semiconductors,
13- chargers, 14- boost pressure controllers, 15-EEPROM chips, 16- current sensors.
Embodiment
Below in conjunction with the accompanying drawings and the present invention will be described in detail by specific embodiment, and following examples are to the present invention
Explanation, and the invention is not limited in implementation below.
As shown in figure 1, the battery pack method of calibration that the present embodiment provides, after verification operation is opened, battery pack can be minimum
Electric current carries out internal discharge, and in discharge process, voltage can diminish with diminishing for battery capacity, due to the characteristic of battery,
Voltage and battery capacity ratio are constant, and when capacitance is 50%, voltage is a certain steady state value V, while leaves enough electricity
Amount, so that in checking procedure, system power failure, battery can provide system normal operation suddenly.Current monitoring module can be every one
Fix time and carry out a probe current size, voltage monitoring module can monitor the size of voltage after electric discharge at regular intervals.When
After voltage is less than steady state value V, battery pack stops electric discharge, and 2 times of the comparable battery capacity counted on set capacity with battery
Difference, if difference is between 10%, it is believed that battery is normal, more than 10%, it is believed that battery there may be problem.
Specifically include following steps：
Electric discharge open command is sent to battery pack, battery pack is discharged；
Discharge current size is monitored, counts discharge capacity；
Battery voltage is monitored according to discharge capacity, when battery voltage is in response to setting voltage threshold（As voltage is less than electricity
Voltage constant value V during tankage 50%）, electric discharge turn off orders are sent, battery pack stops electric discharge；
Compare the discharge capacity of statistics and default battery capacity, if eligible, battery pack is normal；If ineligible,
Then battery pack is abnormal.
Preferably, last time checking time and current time can be compared when system starts, if lead time exceedes default
Between poor threshold value（For example both gaps were more than 30 days）, then the verification operation after carrying out.
Preferably, after battery pack stops electric discharge, charging instruction is sent to battery pack, battery pack is charged.
In addition, monitoring discharge current size is specially to be spaced preset period of time to carry out primary current detection（Such as entered every 5 seconds
Row once detects）, it is specially after being spaced preset period of time monitoring one-shot battery group electric discharge to monitor battery voltage according to discharge capacity
Voltage.
The present embodiment also provides the calibration equipment for realizing above-mentioned battery method of calibration, including anti-theft module, current monitoring mould
Block, voltage monitoring module, battery state judge module.Preferably, also settable checking time judge module and charging module.
Each intermodule possesses levels dependence, possesses associated interface between each other.
Checking time judge module：For comparing last time checking time and current time, if lead time exceedes default
Between poor threshold value, then carry out verification operation.
Discharge module：For sending electric discharge unlatching and cutoff command to battery pack；Battery pack is opened according to electric discharge and cut-off
Instruction is discharged or stops discharging.
Current monitoring module：For monitoring discharge current size, discharge capacity is counted.
Voltage monitoring module：For monitoring battery voltage according to discharge capacity；When battery voltage is in response to setting electricity
When pressing threshold value, discharge module sends electric discharge turn off orders, and battery pack stops electric discharge.
Battery state judge module：Compare the discharge capacity of statistics and default battery capacity, if eligible, electricity
Pond group is normal；If ineligible, battery pack is abnormal.
Charging module：After stopping electric discharge for battery pack, charging instruction is sent to battery pack, battery pack is charged.
Wherein, current monitoring modular spacing preset period of time carries out primary current detection；When voltage monitoring modular spacing is preset
Voltage after section monitoring one-shot battery group electric discharge.
As shown in Figures 2 and 3, the present embodiment also provides the check system for realizing the above method, and the check system includes mainboard 1
With BBU components 2.
The BMC chip 3 and CPLD chips 4 of electrical connection are set on mainboard 1；BBU components 2 include：Battery pack 6, fuse 7,
Discharge and recharge metal-oxide-semiconductor 8, resistor 10, the first metal-oxide-semiconductor 11, battery set management device 9, current sensor 16, battery charger 13 and liter
Pressure controller 14.
CPLD chips 4 respectively with boost pressure controller 14, the grid of the first metal-oxide-semiconductor 11, battery set management device 9, current sense
Device 16 electrically connects；Boost pressure controller 14 is electrically connected by battery charger 13 with the drain electrode of discharge and recharge metal-oxide-semiconductor 8；First metal-oxide-semiconductor 11
Drain electrode electrically connected by resistor 10 with the drain electrode of discharge and recharge metal-oxide-semiconductor 8, the source ground of the first metal-oxide-semiconductor 11；Battery set management
Device 9 electrically connects with the grid of discharge and recharge metal-oxide-semiconductor 8；The source electrode of discharge and recharge metal-oxide-semiconductor 8 is electrically connected by fuse 7 with battery pack 6；Protect
Dangerous silk 7 also electrically connects with battery set management device 9；Current sensor 16 electrically connects with battery pack 6, battery set management device 9 respectively.
In addition, be additionally provided with status lamp driving chip 5 on mainboard 1, status lamp driving chip 5 respectively with CPLD chips 4,
BBU components 2 electrically connect, to indicate each working condition.BBU components 2 also include eeprom chip 15 and Oring metal-oxide-semiconductors 12；
Eeprom chip 15 electrically connects with battery set management device 9, CPLD chips 4 respectively；The grid of Oring metal-oxide-semiconductors 12 connects CPLD chips
4th, drain electrode connects voltage source, source electrode connects the drain electrode of discharge and recharge metal-oxide-semiconductor 8.
Wherein, battery set management device 9 controls battery to open and filled according to the instruction that mainboard 1 is sent by discharge and recharge metal-oxide-semiconductor 8
Electricity or cut-off charging, current sensor 16 detect the discharge current of battery pack 6, and boost pressure controller 14 and charger 13 are to battery pack 6
Charged.
Described above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of battery pack method of calibration, it is characterised in that comprise the following steps：
Electric discharge open command is sent to battery pack, battery pack is discharged；
Discharge current size is monitored, counts discharge capacity；
Battery voltage is monitored according to discharge capacity, when battery voltage is in response to setting voltage threshold, sends electric discharge cut-off
Order, battery pack stop electric discharge；
Compare the discharge capacity of statistics and default battery capacity, if eligible, battery pack is normal；If ineligible,
Then battery pack is abnormal.
2. battery pack method of calibration according to claim 1, it is characterised in that also including step：When comparing last time verification
Between and current time, if lead time exceedes preset time difference threshold value, carry out verification operation.
3. battery pack method of calibration according to claim 1 or 2, it is characterised in that also including step：Battery pack stops putting
After electricity, charging instruction is sent to battery pack, battery pack is charged.
4. battery pack method of calibration according to claim 1 or 2, it is characterised in that the monitoring discharge current size tool
Body carries out primary current detection for interval preset period of time；
It is described that voltage after battery voltage specially interval preset period of time monitoring one-shot battery group is discharged is monitored according to discharge capacity.
A kind of 5. battery pack calibration equipment, it is characterised in that including：
Discharge module：For sending electric discharge unlatching and cutoff command to battery pack；Battery pack is opened according to electric discharge and cutoff command
Discharged or stop discharging；
Current monitoring module：For monitoring discharge current size, discharge capacity is counted；
Voltage monitoring module：For monitoring battery voltage according to discharge capacity；When battery voltage is in response to setting voltage threshold
During value, discharge module sends electric discharge turn off orders, and battery pack stops electric discharge；
Battery state judge module：Compare the discharge capacity of statistics and default battery capacity, if eligible, battery pack
Normally；If ineligible, battery pack is abnormal.
6. battery pack calibration equipment according to claim 5, it is characterised in that also include：
Checking time judge module：For comparing last time checking time and current time, if lead time is poor more than preset time
Threshold value, then carry out verification operation.
7. the battery pack calibration equipment according to claim 5 or 6, it is characterised in that also include：Charging module：For electricity
After pond group stops electric discharge, charging instruction is sent to battery pack, battery pack is charged.
8. the battery pack calibration equipment according to claim 5 or 6, it is characterised in that when current monitoring modular spacing is preset
Duan Jinhang primary currents detect；
Voltage after the monitoring one-shot battery group electric discharge of voltage monitoring modular spacing preset period of time.
9. a kind of battery pack check system, it is characterised in that including mainboard and BBU components；
The BMC chip and CPLD chips of electrical connection are set on the mainboard；
The BBU components include：Battery pack, fuse, discharge and recharge metal-oxide-semiconductor, resistor, the first metal-oxide-semiconductor, battery set management device,
Current sensor, battery charger and boost pressure controller；
The CPLD chips are electrically connected with boost pressure controller, the grid of the first metal-oxide-semiconductor, battery set management device, current sensor respectively
Connect；
The boost pressure controller is electrically connected by battery charger with the drain electrode of discharge and recharge metal-oxide-semiconductor；The drain electrode of first metal-oxide-semiconductor
Electrically connected by resistor with the drain electrode of discharge and recharge metal-oxide-semiconductor, the source ground of the first metal-oxide-semiconductor；Battery set management device and discharge and recharge
The grid electrical connection of metal-oxide-semiconductor；The source electrode of discharge and recharge metal-oxide-semiconductor is electrically connected by fuse with battery pack；Fuse also with battery pack
Manager electrically connects；Current sensor electrically connects with battery pack, battery manager respectively.
10. battery pack check system according to claim 9, it is characterised in that status lamp driving is additionally provided with mainboard
Chip；The status lamp driving chip electrically connects with CPLD chips, BBU components respectively；
BBU components also include eeprom chip and Oring metal-oxide-semiconductors；The eeprom chip respectively with battery set management device,
CPLD chips electrically connect；The grid of Oring metal-oxide-semiconductors connects CPLD chips, drain electrode connects voltage source, source electrode connects discharge and recharge metal-oxide-semiconductor
Drain electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710800454.0A CN107664752A (en) | 2017-09-07 | 2017-09-07 | A kind of battery pack method of calibration, apparatus and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710800454.0A CN107664752A (en) | 2017-09-07 | 2017-09-07 | A kind of battery pack method of calibration, apparatus and system |
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| CN107664752A true CN107664752A (en) | 2018-02-06 |
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| CN109683097A (en) * | 2018-12-21 | 2019-04-26 | 广东浪潮大数据研究有限公司 | A kind of BBU capacity method of calibration, device and relevant device |
| CN110034600A (en) * | 2019-04-19 | 2019-07-19 | 青岛天盈华智科技有限公司 | A kind of solar charging device and its method of calibration, system |
| CN111551858A (en) * | 2020-04-30 | 2020-08-18 | 四川享锂来科技有限公司 | Battery parameter remote acquisition system |
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Application publication date: 20180206 |