CN108254690A - A kind of battery polarization activity saturation degree detection device and method - Google Patents
A kind of battery polarization activity saturation degree detection device and method Download PDFInfo
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- CN108254690A CN108254690A CN201611240527.7A CN201611240527A CN108254690A CN 108254690 A CN108254690 A CN 108254690A CN 201611240527 A CN201611240527 A CN 201611240527A CN 108254690 A CN108254690 A CN 108254690A
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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]
- G01R31/378—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
- G01R31/379—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 for lead-acid batteries
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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]
- G01R31/385—Arrangements for measuring battery or accumulator variables
- G01R31/387—Determining ampere-hour charge capacity or SoC
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- General Physics & Mathematics (AREA)
- Secondary Cells (AREA)
Abstract
The present invention relates to a kind of battery polarization activity saturation degree detection device and methods, which is characterized in that the battery polarization activity saturation degree detection device includes：Monomer battery voltage detection unit, the monomer battery voltage detection unit are used to detect the voltage of the single battery in real time；Current detecting unit, the current detecting single unit include single battery current detecting unit and whole group battery current detection unit, are respectively used to the electric current of detection single battery and whole group battery；And control unit, described control unit is connect respectively with the monomer battery voltage detection unit and the current detecting unit, for acquiring the measurement data of the monomer battery voltage detection unit and the current detecting unit, and analysis battery polarization activity saturation degree is calculated according to the collected measurement data.
Description
Technical field
The present invention relates to lead-acid accumulator online measuring technique fields, and in particular to a kind of battery polarization activity saturation degree inspection
Survey device and method.
Background technology
At present, lead-acid accumulator on-line monitoring equipment mainly realizes function：1st, monomer battery voltage；2nd, single battery charge and discharge
Electric current；3rd, internal resistance of single cell；4th, whole group capacity.The detection function realized at present can not reflect the electrification of battery cell
Learn the polarization characteristic of characteristic and battery.Battery belongs to electrochemical product, and the electrochemical properties of battery pole plates are reaction cell qualities
Fundamental characteristics.
Invention content
In view of this, the purpose of the present invention is to provide a kind of battery polarization activity saturation degree detection device and method, with
Solve the problems of the prior art.
According to the first aspect of the invention, a kind of battery polarization activity saturation degree detection device is provided, which is characterized in that institute
Battery polarization activity saturation degree detection device is stated to include：
Monomer battery voltage detection unit, the monomer battery voltage detection unit are used to detect the single battery in real time
Voltage；
Current detecting unit, the current detecting single unit include single battery current detecting unit and whole group battery electricity
Detection unit is flowed, is respectively used to the electric current of detection single battery and whole group battery；
And control unit, described control unit are examined respectively with the monomer battery voltage detection unit and the electric current
Unit connection is surveyed, for acquiring the measurement data of the monomer battery voltage detection unit and the current detecting unit, and
Analysis battery polarization activity saturation degree is calculated according to the collected measurement data.
Preferably, the active degree that battery polarization characteristic saturation degree reaction cell pole plate electric energy and chemical energy are mutually converted,
The excellent of battery polarization activity saturation degree can be reflected by parameters such as the pole plate capacitive reactance of battery and battery charging and discharging voltage stabilities
Bad, english abbreviation is PAS (The battery polarization active saturation).
Preferably, the monomer battery voltage detection unit includes voltage control unit and single battery selecting unit.
Preferably, the current detecting unit includes current control unit, single battery current detecting unit, whole group battery
Current detecting unit and floating current collecting unit.
Preferably, described control unit is also associated with digital temperature sensor, storage unit and communication unit.
According to the second aspect of the invention, a kind of battery polarization activity method for detecting saturation is provided, which is characterized in that institute
Battery polarization activity method for detecting saturation is stated to include：
A) battery is subjected to regulation multiplying power discharging；
B) size of detection electric current and the size of battery terminal voltage；
C) capacitive reactance of battery discharge is calculated according to the size of electric current and the size of battery terminal voltage that detect；
D) by the capacitor value of measurement and discharge voltage drop respectively with being compared with benchmark capacitor value and reference voltage depreciation,
Obtain comparison result.
Preferably, battery is subjected to 0.1C multiplying power dischargings.
Preferably, when the measurement capacitor value is less than benchmark capacitor value and discharge voltage drop is more than reference voltage depreciation,
Then battery polarization activity saturation degree is excellent.
The battery polarization activity saturation degree detection device of the present invention includes：Monomer battery voltage detection unit, current detecting
Unit and control unit, described control unit respectively with the monomer battery voltage detection unit and the current detecting list
Member connection, for acquiring the measurement data of the monomer battery voltage detection unit and the current detecting unit, and according to
The collected measurement data calculates analysis battery polarization activity saturation degree.
Description of the drawings
By referring to the drawings to the description of the embodiment of the present invention, above-mentioned and other purposes of the invention, feature and
Advantage will be apparent from, in the accompanying drawings：
Fig. 1, Fig. 2 and Fig. 3 show the structure diagram of the monomer battery voltage detection unit of the present invention；
Fig. 4 and Fig. 5 shows the structure diagram of the current detecting unit of the present invention；
Fig. 6 and Fig. 7 shows the structure diagram of the control unit of the present invention.
Specific embodiment
Hereinafter reference will be made to the drawings is more fully described various embodiments of the present invention.In various figures, identical element
It is represented using same or similar reference numeral.For the sake of clarity, the various pieces in attached drawing are not necessarily to scale.
Battery polarization activity saturation degree detection device provided by the invention includes：Monomer battery voltage detection unit, electric current
Detection unit and control unit.
Wherein, the monomer battery voltage detection unit is used to detect the voltage of the single battery in real time；The electric current
It detects single unit and includes single battery current detecting unit and whole group battery current detection unit, be respectively used to detection monomer electricity
Pond and the electric current of whole group battery；Described control unit is examined respectively with the monomer battery voltage detection unit and the electric current
Unit connection is surveyed, for acquiring the measurement data of the monomer battery voltage detection unit and the current detecting unit, and
Battery polarization activity saturation degree is analyzed and determined according to the collected measurement data.
When battery has electric current to pass through, electrode is made to deviate from equilibrium electrod potential the phenomenon that, referred to as electrode polarization.Be powered before and
The difference of electrode potential is called overpotential after energization.When equilibrium electrod potential is that a no electric current flows through, static, relative ideal
The electrode potential during state of change.Battery polarization is precisely due to the flowing of electric current, and after breaking stationary state, virtual electrode
Current potential deviates from the phenomenon that equilibrium electrod potential.The electrode polarization that anode current generates is called anode polarization；Cathode current generates
Electrode polarization cathodic polarization.On electrode unit area by electric current it is bigger, deviate equilibrium electrod potential it is more serious.
The active degree that battery polarization characteristic saturation degree reaction cell pole plate electric energy and chemical energy are mutually converted, passes through battery
Pole plate capacitive reactance and the parameters such as battery charging and discharging voltage stability can reflect the quality of battery polarization activity saturation degree.PAS is
The abbreviation of the English full name The battery polarization active saturation of battery polarization activity saturation degree.
In one embodiment of the invention, the monomer battery voltage detection unit includes voltage control unit, monomer
Cell voltage detection unit and single battery selecting unit.
As shown in Figure 1, the voltage control unit of the present invention, using STM32 series, STM32 series is to aim to require high property
The ARM Cortex-0 kernels that energy, low cost, the Embedded Application of low-power consumption specially design.
Wherein, the voltage control unit is connected with monomer battery voltage detection unit and single battery selecting unit.
In one embodiment of the invention, the STM32 is connected with 40 monomer battery voltage detection units, can be simultaneously
Realize the detection of 40 batteries.
Wherein, single battery selecting unit is connected respectively for the G1 of the STM32 to G40 sections, for selecting each monomer electricity
Pond, to be detected to the single battery.
Wherein, the voltage detection unit is divided into two branches, and it is single that every branch includes 20 monomer battery voltage detections
Member；Two branches can be selected by the single battery selecting unit, while can also be to each single battery electricity
Pressure detection unit is selected.
In another embodiment of the present invention, the current detecting unit includes current control unit, single battery electricity
Flow detection unit, whole group battery current detection unit and floating current collecting unit.
As shown in Fig. 2, the current control unit of the present invention, using STM32 series, STM32 series is to aim to require high property
The ARM Cortex-0 kernels that energy, low cost, the Embedded Application of low-power consumption specially design.
In the present embodiment, the current control unit connection single battery current detecting unit, the detection of whole group battery current
Unit and floating current collecting unit.The electric current of single battery, the electric current and floating current of whole group battery can be detected.
In yet another embodiment of the present invention, as shown in figure 3, described control unit is using STM32 series, STM32 systems
Row are to aim at the ARM Cortex-0 kernels that the Embedded Application of high-performance, low cost, low-power consumption is required specially to design.
Described control unit is connect respectively with the monomer battery voltage detection unit and the current detecting unit, is used
In the acquisition monomer battery voltage detection unit and the measurement data of the current detecting unit, and collected according to described
Measurement data calculate battery polarization activity saturation degree.
Further, described control unit is also associated with digital temperature sensor, storage unit and communication unit.
Further, described control unit is also associated with report alarm unit, and the alarm unit is a LED light.
The second aspect of the present invention provides a kind of battery polarization activity method for detecting saturation, which is characterized in that the electricity
Pond activation polarization method for detecting saturation includes：
A) battery is subjected to regulation multiplying power discharging；
B) size of detection electric current and the size of battery terminal voltage；
C) capacitive reactance of battery discharge is calculated according to the size of electric current and the size of battery terminal voltage that detect；
D) by the capacitor value of measurement and discharge voltage drop respectively with being compared with benchmark capacitor value and reference voltage depreciation,
Obtain comparison result.
In one embodiment of the invention, battery is subjected to 0.1C multiplying power dischargings first；Then it detects in discharge process
The size of electric current and the size of battery terminal voltage.
In the present embodiment, the size of the electric current is detected using above-mentioned current detecting unit, can detect monomer
The electric current of battery, the electric current and floating current of whole group battery.The battery terminal voltage is detected using above-mentioned monomer battery voltage
Unit is detected；The data of detection are transferred to described by the current detecting unit and the monomer battery voltage detection unit
Control unit, described control unit are calculated according to the data of receiving, calculate the capacitive reactance of battery discharge；Described control unit
The capacitor value calculated and discharge voltage drop with benchmark capacitor value and reference voltage depreciation are compared respectively, obtain comparing knot
Fruit.
Further, when the measurement capacitor value is less than benchmark capacitor value and discharge voltage drop is more than reference voltage depreciation
When, then battery polarization activity saturation degree is excellent.
In one embodiment of the invention, the benchmark capacitor value is 10 milliohms, and the reference voltage depreciation is 12V.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this practical relationship or sequence.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed or further include as this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
Also there are other identical elements in process, method, article or equipment including the element.
Finally it should be noted that：Obviously, the above embodiment is merely an example for clearly illustrating the present invention, and simultaneously
The non-restriction to embodiment.For those of ordinary skill in the art, it can also do on the basis of the above description
Go out other various forms of variations or variation.There is no necessity and possibility to exhaust all the enbodiments.And thus drawn
The obvious changes or variations that Shen goes out are still in the protection scope of this invention.
Claims (8)
- A kind of 1. battery polarization activity saturation degree detection device, which is characterized in that the battery polarization activity saturation degree detection dress Put including：Monomer battery voltage detection unit, the monomer battery voltage detection unit are used to detect the electricity of the single battery in real time Pressure；Current detecting unit, the current detecting single unit includes single battery current detecting unit and whole group battery current is examined Unit is surveyed, is respectively used to the electric current of detection single battery and whole group battery；And control unit, described control unit respectively with the monomer battery voltage detection unit and the current detecting list Member connection, for acquiring the measurement data of the monomer battery voltage detection unit and the current detecting unit, and according to The collected measurement data calculates analysis battery polarization activity saturation degree.
- 2. battery polarization activity saturation degree detection device according to claim 1, which is characterized in that battery polarization characteristic is satisfied The active degree mutually converted with degree reaction cell pole plate electric energy and chemical energy, passes through the pole plate capacitive reactance of battery and battery charging and discharging The parameters such as voltage stability can reflect the quality of battery polarization activity saturation degree, and english abbreviation is PAS (The battery polarization active saturation)。
- 3. battery polarization activity saturation degree detection device according to claim 1, which is characterized in that the single battery electricity Detection unit is pressed to include voltage control unit and single battery selecting unit.
- 4. battery polarization activity saturation degree detection device according to claim 1, which is characterized in that the current detecting list Member includes current control unit, single battery current detecting unit, whole group battery current detection unit and floating current acquisition Unit.
- 5. battery polarization activity saturation degree detection device according to claim 1, which is characterized in that described control unit is also It is connected with digital temperature sensor, storage unit and communication unit.
- A kind of 6. battery polarization activity method for detecting saturation, which is characterized in that the battery polarization activity saturation degree detection side Method includes：A) battery is subjected to regulation multiplying power discharging；B) size of detection electric current and the size of battery terminal voltage；C) capacitive reactance of battery discharge is calculated according to the size of electric current and the size of battery terminal voltage that detect；D) capacitor value of measurement and discharge voltage drop with benchmark capacitor value and reference voltage depreciation are compared respectively, are compared Relatively result.
- 7. battery polarization activity method for detecting saturation according to claim 6, which is characterized in that battery is subjected to 0.1C Multiplying power discharging.
- 8. battery polarization activity method for detecting saturation according to claim 6, which is characterized in that when the measurement capacitive reactance Value is dropped less than benchmark capacitor value and discharge voltage when being more than reference voltage depreciation, then battery polarization activity saturation degree is excellent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611240527.7A CN108254690A (en) | 2016-12-29 | 2016-12-29 | A kind of battery polarization activity saturation degree detection device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611240527.7A CN108254690A (en) | 2016-12-29 | 2016-12-29 | A kind of battery polarization activity saturation degree detection device and method |
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| CN108254690A true CN108254690A (en) | 2018-07-06 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030210056A1 (en) * | 2002-05-13 | 2003-11-13 | Yazaki Corporation | Battery status monitoring apparatus, saturation polarization detecting method and dischargeable capacity detecting method |
| US20060145658A1 (en) * | 2004-12-31 | 2006-07-06 | Jason Auto Technology Co., Ltd. | Method and device for battery charger and diagnosis with detectable battery energy barrier |
| EP1691208A1 (en) * | 2003-11-19 | 2006-08-16 | Yazaki Corporation | Saturation polarization estimation method and device, and discharge-enabled capacitance estimation method |
| CN101692119A (en) * | 2009-10-09 | 2010-04-07 | 安凯 | Method for measuring internal resistance of storage battery based on differential equation |
| CN103296293A (en) * | 2013-06-22 | 2013-09-11 | 李家敏 | Capacitor battery |
| CN103630726A (en) * | 2013-10-30 | 2014-03-12 | 惠州市亿能电子有限公司 | Estimation method of battery polarization voltage in BMS (battery management system) sleep mode |
-
2016
- 2016-12-29 CN CN201611240527.7A patent/CN108254690A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030210056A1 (en) * | 2002-05-13 | 2003-11-13 | Yazaki Corporation | Battery status monitoring apparatus, saturation polarization detecting method and dischargeable capacity detecting method |
| EP1691208A1 (en) * | 2003-11-19 | 2006-08-16 | Yazaki Corporation | Saturation polarization estimation method and device, and discharge-enabled capacitance estimation method |
| US20060145658A1 (en) * | 2004-12-31 | 2006-07-06 | Jason Auto Technology Co., Ltd. | Method and device for battery charger and diagnosis with detectable battery energy barrier |
| CN101692119A (en) * | 2009-10-09 | 2010-04-07 | 安凯 | Method for measuring internal resistance of storage battery based on differential equation |
| CN103296293A (en) * | 2013-06-22 | 2013-09-11 | 李家敏 | Capacitor battery |
| CN103630726A (en) * | 2013-10-30 | 2014-03-12 | 惠州市亿能电子有限公司 | Estimation method of battery polarization voltage in BMS (battery management system) sleep mode |
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Application publication date: 20180706 |