CN112630676A - Automatic identification device and method for abnormal batteries of lithium battery pack of base station - Google Patents
Automatic identification device and method for abnormal batteries of lithium battery pack of base station Download PDFInfo
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- CN112630676A CN112630676A CN202011483223.XA CN202011483223A CN112630676A CN 112630676 A CN112630676 A CN 112630676A CN 202011483223 A CN202011483223 A CN 202011483223A CN 112630676 A CN112630676 A CN 112630676A
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- Prior art keywords
- lithium battery
- battery pack
- base station
- charging
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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
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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]
- G01R31/3644—Constructional arrangements
- G01R31/3646—Constructional arrangements for indicating electrical conditions or variables, e.g. visual or audible indicators
-
- 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]
- G01R31/378—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator
-
- 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]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
- G01R31/3842—Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
-
- 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]
- G01R31/385—Arrangements for measuring battery or accumulator variables
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to the technical field of lithium batteries, and discloses an automatic identification device for abnormal batteries of a base station lithium battery pack. The automatic identification device and the method for the abnormal batteries of the lithium battery pack of the base station are used for identifying through two methods, firstly, the abnormal lithium battery pack is judged by detecting the lithium battery pack, secondly, the abnormal batteries are judged by detecting single batteries in the abnormal lithium battery pack, and therefore the abnormal batteries can be accurately judged, the power supply condition of the base station can be guaranteed, the phenomenon that the base station is powered off is avoided, economic loss is avoided, and the automatic identification device and the method can accurately and automatically and quickly detect the abnormal batteries.
Description
Technical Field
The invention relates to the technical field of lithium batteries, in particular to a device and a method for automatically identifying abnormal batteries of a lithium battery pack of a base station.
Background
In the existing base station, a lithium battery pack is needed to ensure the normal operation of the base station, so that the function of the lithium battery pack is particularly important.
The lithium battery pack is in a floating charge and unattended state for a long time in the use of the communication base station, the irreversible capacity loss of the battery in the long-term floating charge state is far greater than the irreversible capacity loss of the battery in the standing state, the actual service life of the lithium battery pack is shortened, and the use cost of the battery is increased; and the maintainer can not judge the service life of the battery pack according to the battery pack state, so that an unexpected base station power-off phenomenon is often caused, serious economic loss is caused, and the main factor for determining the service life of the lithium battery pack is that a short-plate battery with large self-discharge exists in the lithium battery pack, and the lithium battery pack can not be stored in time after the condition occurs, so that the data of a subsequent lithium battery pack is estimated wrongly, and the subsequent base station can also generate the condition.
Disclosure of Invention
The invention provides a device and a method for automatically identifying abnormal batteries of a lithium battery pack of a base station, which have the advantages that the abnormal batteries can be identified in time, the storage is convenient, and the subsequent understanding of base station personnel is convenient, so that the operation of the base station can be ensured, and the problems in the background art are solved.
The invention provides the following technical scheme: an automatic identification device for abnormal batteries of a lithium battery pack of a base station comprises a base station switch unit, a control unit, a display unit, a storage unit, a monitoring unit and a voltage detection and parallel charging unit,
one, base station switch unit
The method is used for guaranteeing continuous power supply to the lithium battery pack of the base station.
Second, control unit
For controlling the base station switch unit to supply and cut off power.
Third, display unit
And the time display unit is used for displaying the charging, discharging and recharging time of the lithium battery pack and the charging, discharging and recharging time of a single battery in the single lithium battery pack and comparing the time with two groups of corresponding time set in the display unit.
Storage unit
The time display device is used for storing the time displayed by the display unit, and is convenient for base station personnel to check.
Fifth, monitor the unit
The monitoring device is used for monitoring the normal operation of the base station switch unit, the control unit, the display unit, the storage unit and the voltage detection and parallel charging unit.
Sixth, voltage detection and parallel charging unit
The method is used for detecting the voltage of the lithium battery pack and ensuring the charging condition of the lithium battery packs, so that the lithium battery packs can be identified conveniently.
Preferably, the control unit is formed by connecting forward and backward diodes in series, and the forward and backward diodes are respectively connected with the discharge switch and the charge switch in parallel.
Preferably, the monitoring unit is further configured to monitor a current variation of the lithium battery pack during charging and discharging, and a current variation during parallel charging.
S1: a method for automatically identifying abnormal batteries of a lithium battery pack of a base station comprises the following steps:
the method comprises the steps that firstly, a lithium battery pack in a base station is charged through a base station switch power supply, the lithium battery pack reaches a full-charge state, and timing is conducted when the base station switch power supply is disconnected.
And secondly, when the lithium battery pack discharges and the lowest cell voltage in the lithium battery is lower than the specified cell voltage, recharging is carried out.
And thirdly, recording the stopping time, judging whether the time required by the lithium battery pack from stopping charging, discharging and recharging is consistent with a specified time interval, and if the time is less than the specified time interval, judging that abnormal single batteries exist in the lithium battery pack.
And fourthly, independently charging each single battery in the abnormal single lithium battery pack, recording the time of charging, discharging and recharging the single batteries, and comparing the time with the specified time, so that the single batteries in the abnormal single lithium battery pack can be judged to be abnormal batteries.
Preferably, the criterion that the lithium battery pack is in a full-charge state is as follows: the highest monomer voltage of the lithium battery pack is higher than the monomer overcharge protection set value or the charging current is smaller than the full charge set value of the lithium battery pack.
Preferably, the lithium battery pack uploads the time required for stopping charging, discharging and recharging to the display unit and stores the time, and the single batteries in the single lithium battery pack upload the time required for stopping charging, discharging and recharging to the display unit and store the time.
The invention has the following beneficial effects:
1. the automatic identification device and the method for the abnormal batteries of the lithium battery pack of the base station are used for identifying through two methods, firstly, the abnormal lithium battery pack is detected, and then the abnormal lithium battery pack is judged, secondly, the single batteries in the abnormal lithium battery pack are detected, so that the abnormal batteries can be accurately judged, the power supply condition of the base station can be ensured, the phenomenon that the base station is powered off is avoided, economic loss is avoided, the automatic identification device and the method can accurately and automatically and quickly detect the abnormal batteries, and the base station is convenient for base station personnel to use.
2. According to the automatic identification device and method for the abnormal battery of the lithium battery pack of the base station, the storage unit is arranged, the charging, discharging and recharging time of the detected lithium battery pack and the detected single battery can be recorded in time, so that the follow-up base station personnel can conveniently enter the base station and can check the conditions of the lithium battery pack and the single lithium battery, follow-up memorability adjustment of the lithium battery pack and the single lithium battery can be carried out according to the record, and the long-time use of the base station can be guaranteed.
Drawings
FIG. 1 is a schematic flow diagram of the apparatus of the present invention;
FIG. 2 is a schematic flow chart of the method of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, an apparatus for automatically identifying abnormal cells in a lithium battery pack of a base station includes a base station switch unit, a control unit, a display unit, a storage unit, a monitoring unit, a voltage detection and parallel charging unit,
one, base station switch unit
The base station power supply device is used for guaranteeing continuous power supply of the base station lithium battery pack and guaranteeing that the lithium battery pack can normally operate the base station.
Second, control unit
The power supply and power off control device is used for controlling the base station switch unit to supply power and cut off power, and prevents the situation that the lithium battery is charged for a long time, so that the service life of the lithium battery is shortened.
Third, display unit
And the time display unit is used for displaying the charging, discharging and recharging time of the lithium battery pack and the charging, discharging and recharging time of a single battery in the single lithium battery pack and comparing the time with two groups of corresponding time set in the display unit.
Storage unit
The time display device is used for storing the time displayed by the display unit, and is convenient for base station personnel to check.
Fifth, monitor the unit
The monitoring device is used for monitoring the normal operation of the base station switch unit, the control unit, the display unit, the storage unit and the voltage detection and parallel charging unit.
Sixth, voltage detection and parallel charging unit
The method is used for detecting the voltage of the lithium battery pack and ensuring the charging condition of the lithium battery packs, so that the lithium battery packs can be identified conveniently.
The control unit is formed by connecting forward and backward diodes in series, and the forward and backward diodes are respectively connected with a discharge switch and a charging switch in parallel.
The monitoring unit is also used for monitoring the current change condition of the lithium battery pack during charging and discharging and the current change condition during parallel charging.
S1: a method for automatically identifying abnormal batteries of a lithium battery pack of a base station comprises the following steps:
the method comprises the steps that firstly, a lithium battery pack in a base station is charged through a base station switch power supply, the lithium battery pack reaches a full-charge state, and timing is conducted when the base station switch power supply is disconnected.
And secondly, when the lithium battery pack discharges and the lowest cell voltage in the lithium battery is lower than the specified cell voltage, recharging is carried out.
And thirdly, recording the stopping time, judging whether the time required by the lithium battery pack from stopping charging, discharging and recharging is consistent with a specified time interval, and if the time is less than the specified time interval, judging that abnormal single batteries exist in the lithium battery pack.
And fourthly, independently charging each single battery in the abnormal single lithium battery pack, recording the time of charging, discharging and recharging the single batteries, and comparing the time with the specified time, so that the single batteries in the abnormal single lithium battery pack can be judged to be abnormal batteries.
The criterion that the lithium battery pack is in a full-charge state is as follows: the highest monomer voltage of the lithium battery pack is higher than the monomer overcharge protection set value or the charging current is smaller than the full charge set value of the lithium battery pack.
The single lithium battery pack is characterized in that the lithium battery pack uploads the time required by stopping charging, discharging and recharging to the display unit and stores the time, and the single batteries in the single lithium battery pack upload the time required by stopping charging, discharging and recharging to the display unit and store the time.
The automatic identification device and the automatic identification method have the advantages that identification is carried out through two methods, firstly, the lithium battery pack is detected, so that the abnormal lithium battery pack is judged, secondly, the single batteries in the abnormal lithium battery pack are detected, so that the abnormal batteries can be judged accurately, the power supply condition of a base station can be guaranteed, the phenomenon that the base station is powered off is avoided, economic loss is avoided, the automatic identification device and the automatic identification method can accurately and automatically and quickly detect the abnormal batteries, and the automatic identification device and the automatic identification method are convenient for base station personnel to use.
Wherein, through setting up the memory cell, the time that charges, discharges and recharge to the lithium cell group that detects out that can be timely carries out the record to can make things convenient for follow-up basic station personnel to get into the condition that the basic station can look over lithium cell group and monomer lithium cell, and can carry out follow-up according to this record and organize lithium cell and monomer lithium cell memorability adjustment, thereby can guarantee the long-time use of basic station.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an unusual battery automatic identification equipment of basic station lithium cell group, includes following unit, basic station switch unit, the control unit, display element, memory cell, monitor cell, voltage detection and parallel charging unit, its characterized in that:
one, base station switch unit
The method is used for guaranteeing continuous power supply to the lithium battery pack of the base station.
Second, control unit
For controlling the base station switch unit to supply and cut off power.
Third, display unit
And the time display unit is used for displaying the charging, discharging and recharging time of the lithium battery pack and the charging, discharging and recharging time of a single battery in the single lithium battery pack and comparing the time with two groups of corresponding time set in the display unit.
Storage unit
The time display device is used for storing the time displayed by the display unit, and is convenient for base station personnel to check.
Fifth, monitor the unit
The monitoring device is used for monitoring the normal operation of the base station switch unit, the control unit, the display unit, the storage unit and the voltage detection and parallel charging unit.
Sixth, voltage detection and parallel charging unit
The method is used for detecting the voltage of the lithium battery pack and ensuring the charging condition of the lithium battery packs, so that the lithium battery packs can be identified conveniently.
2. The device for automatically identifying the abnormal battery of the lithium battery pack of the base station as claimed in claim 1, wherein: the control unit is formed by connecting forward and backward diodes in series, and the forward and backward diodes are respectively connected with a discharge switch and a charging switch in parallel.
3. The device for automatically identifying the abnormal battery of the lithium battery pack of the base station as claimed in claim 1, wherein: the monitoring unit is also used for monitoring the current change condition of the lithium battery pack during charging and discharging and the current change condition during parallel charging.
S1: a method for automatically identifying abnormal batteries of a lithium battery pack of a base station is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the steps that firstly, a lithium battery pack in a base station is charged through a base station switch power supply, the lithium battery pack reaches a full-charge state, and timing is conducted when the base station switch power supply is disconnected.
And secondly, when the lithium battery pack discharges and the lowest cell voltage in the lithium battery is lower than the specified cell voltage, recharging is carried out.
And thirdly, recording the stopping time, judging whether the time required by the lithium battery pack from stopping charging, discharging and recharging is consistent with a specified time interval, and if the time is less than the specified time interval, judging that abnormal single batteries exist in the lithium battery pack.
And fourthly, independently charging each single battery in the abnormal single lithium battery pack, recording the time of charging, discharging and recharging the single batteries, and comparing the time with the specified time, so that the single batteries in the abnormal single lithium battery pack can be judged to be abnormal batteries.
4. The method for automatically identifying the abnormal battery of the lithium battery pack of the base station as claimed in claim 1, wherein the method comprises the following steps: the criterion that the lithium battery pack is in a full-charge state is as follows: the highest monomer voltage of the lithium battery pack is higher than the monomer overcharge protection set value or the charging current is smaller than the full charge set value of the lithium battery pack.
5. The method for automatically identifying the abnormal battery of the lithium battery pack of the base station as claimed in claim 1, wherein the method comprises the following steps: the single lithium battery pack is uploaded to the display unit from the time required for stopping charging, discharging and recharging and stored, and the single batteries in the single lithium battery pack are uploaded to the display unit from the time required for stopping charging, discharging and recharging and stored.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011483223.XA CN112630676A (en) | 2020-12-16 | 2020-12-16 | Automatic identification device and method for abnormal batteries of lithium battery pack of base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011483223.XA CN112630676A (en) | 2020-12-16 | 2020-12-16 | Automatic identification device and method for abnormal batteries of lithium battery pack of base station |
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| CN112630676A true CN112630676A (en) | 2021-04-09 |
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| CN202011483223.XA Pending CN112630676A (en) | 2020-12-16 | 2020-12-16 | Automatic identification device and method for abnormal batteries of lithium battery pack of base station |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102667513A (en) * | 2009-12-25 | 2012-09-12 | 丰田自动车株式会社 | Abnormality detection device for assembled battery |
| CN103323787A (en) * | 2013-07-09 | 2013-09-25 | 中航锂电（洛阳）有限公司 | Automatic identification apparatus and automatic identification method for abnormal battery in base station lithium battery pack |
| CN110001402A (en) * | 2017-12-25 | 2019-07-12 | 丰田自动车株式会社 | Abnormal method in secondary battery system and diagnosis battery pack |
-
2020
- 2020-12-16 CN CN202011483223.XA patent/CN112630676A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102667513A (en) * | 2009-12-25 | 2012-09-12 | 丰田自动车株式会社 | Abnormality detection device for assembled battery |
| CN103323787A (en) * | 2013-07-09 | 2013-09-25 | 中航锂电（洛阳）有限公司 | Automatic identification apparatus and automatic identification method for abnormal battery in base station lithium battery pack |
| CN110001402A (en) * | 2017-12-25 | 2019-07-12 | 丰田自动车株式会社 | Abnormal method in secondary battery system and diagnosis battery pack |
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Application publication date: 20210409 |
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