WO2013071508A1 - Dispositif de batterie étanche et intelligente au plomb-acide, régulée par vanne - Google Patents

Dispositif de batterie étanche et intelligente au plomb-acide, régulée par vanne Download PDF

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Publication number
WO2013071508A1
WO2013071508A1 PCT/CN2011/082381 CN2011082381W WO2013071508A1 WO 2013071508 A1 WO2013071508 A1 WO 2013071508A1 CN 2011082381 W CN2011082381 W CN 2011082381W WO 2013071508 A1 WO2013071508 A1 WO 2013071508A1
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WO
WIPO (PCT)
Prior art keywords
vrla
signal
sine wave
terminal
pin
Prior art date
Application number
PCT/CN2011/082381
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English (en)
Chinese (zh)
Inventor
宋杰
Original Assignee
Song Jeff
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Song Jeff filed Critical Song Jeff
Priority to PCT/CN2011/082381 priority Critical patent/WO2013071508A1/fr
Publication of WO2013071508A1 publication Critical patent/WO2013071508A1/fr

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Classifications

    • 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
    • H01M10/06—Lead-acid accumulators
    • 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
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • 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
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • 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
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
    • 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
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
    • 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

Definitions

  • lead-acid batteries such as the air-controlled sealing, colloid, coiled, bipolar, super battery, lead carbon battery, etc., its safety, specific power, specific energy and service life will be Greatly improve.
  • Serial VRLA is often used as a backup power source in the fields of power generation, power supply, and communication.
  • the backup power supply must provide an uninterrupted power supply immediately to ensure the normal operation of the entire system. Therefore, judging the power supply capability of lead-acid batteries is very important for the reliability and safety of the above fields.
  • VRLA has many new problems that have not been encountered before, such as battery shell deformation, electrolyte leakage, electrode corrosion, insufficient capacity, battery terminal voltage unevenness, etc., battery internal terminal, same pole
  • the phenomenon that the connecting piece and the electrode joint are corroded and broken is also more frequent than that of the open type battery, and these failures cause loss of capacity.
  • there is no correlation between the VRLA battery terminal voltage and the discharge capability which makes it difficult for the user to grasp the effective use time and failure of the VRLA battery.
  • the VRLA Since the VRLA is fully sealed, it is not possible to visually inspect its internal materials. By detecting the impedance of the VRLA, the power supply capability can be better judged. IEEE 1888-1996 clarifies that the capacity of VRLA is related to its internal resistance. By monitoring the internal resistance of VRLA, it can effectively identify failed battery cells. It is generally believed that when the internal resistance of VRLA is greater than 20%-25% of the internal resistance reference value, it can be judged to be a backward battery and needs to be monitored. If it is greater than 50%, its power supply capability is unreliable and may be "suddenly dead" at any time. Need to be replaced.
  • the internal resistance of the VRLA is extremely small, the internal resistance of the VRLA of the commonly used 100-4000 ampere is about 1.3 - 0.05 milliohms, and the VRLA of the standby power supply is always in the floating state.
  • the charging current provided by the rectifier circuit of the charger adds a large interference signal to both ends of the VRLA.
  • the online internal resistance measurement must be performed under the strong interference environment of VRLA floating charging, which brings great difficulty to the detection.
  • Ro is an ohmic internal resistance
  • Rc is a concentration internal resistance
  • Re is an activation internal resistance
  • the concentration polarization internal resistance Rc is caused by a change in the concentration of the reactive ions, as long as an electrochemical reaction is occurring,
  • the concentration of the reactive ions is always changing, so its value is in a state of change, the measurement method is different or the measurement duration is different, and the measured results are also different.
  • the activation polarization internal resistance Re is determined by the nature of the electrochemical reaction system. The battery system and structure are determined, and the activation polarization internal resistance is also determined. It changes only when the electrode structure and state change later in the battery life or when the reaction current density changes, but the value is still small.
  • the present invention proposes an intelligent sealed valve-regulated lead-acid battery device having a full life cycle management function.
  • the internal resistance detector includes: a first single chip microcomputer 301, configured to generate a sine wave pulse width modulation signal SPWM of a predetermined frequency; a sine wave constant current signal generating circuit, based on the SPWM, outputting a sine wave constant current signal and applying On the positive and negative electrodes of the VRLA; a voltage detecting circuit, configured to detect a voltage response signal of the VRLA output in response to the sine wave constant current signal; wherein, the single chip microcomputer 301 passes through the first A/D converter and the second A/D respectively The converter receives the amplitude value of the sine wave constant current signal and the amplitude of the voltage response signal, and calculates the internal resistance value of the VRLA based on the amplitude value of the sine wave constant current signal and the magnitude of the voltage response signal.
  • the predetermined frequency is adjustable, and the range is from 10 Hz to 1000 Hz.
  • the sinusoidal constant current signal generating circuit includes: a first digital low pass filter 302, receiving an SPWM signal output by the single chip microcomputer 301, and generating a sine wave voltage signal; a sine wave signal current constant current source 303, receiving the sine a voltage signal, and generating the sine wave constant current signal; the voltage detecting circuit comprising: a sine wave signal voltage detector 306 for detecting a voltage response signal across the VRLA; an instrument linear amplifier 307, responsive to the detected voltage The signal is multi-level voltage linearly amplified; a first low-pass filter 308 filters the signal output from the instrument linear amplifier to filter out the high-frequency noise signal; a dynamic digital band-pass filter 309, the first low-pass filter output Signal is filtered to filter a noise signal other than its bandwidth; a phase sensitive detector 310 for extracting a desired signal from an output of the dynamic digital band pass filter; a second low pass filter 311 for directing a signal output by the phase sensitive detector The piezoelectric bit is extracted, and the high frequency noise signal is filtered
  • the first digital low pass filter 302 is implemented by a first 74HC4053
  • the sine wave signal current constant current source 303 is composed of a circuit TLC2274A, a MOS transistor Q1, and a resistor R11-R14.
  • the sine wave constant current signal generating circuit further includes a voltage stabilizing circuit, and the voltage stabilizing circuit includes a voltage stabilizing tube D5 and a resistor R10; a cathode of the voltage stabilizing tube is connected to a terminal 1Y1 of the first 74HC4053, and is connected through a resistor R10.
  • the positive terminal of the Zener diode D5 is connected to the negative terminal of the VRLA; the terminal S1 of the first 74HC4053 receives the SPWM signal, the terminal VCC is connected to the +5V power supply, the terminals GND and E are connected to the ground, and the terminal 1Y0 is connected to the BAT_PVSS.
  • the positive terminal of the VRLA is BAT-SVDD, the other end is connected to one end of the resistor R2, and the other end of the resistor R2 is connected to the negative terminal BAT_SVSS of the VRLA.
  • the linear amplifier of the instrument is realized by the circuit AD623A, and the terminal 8 of the circuit AD623A is connected to the terminal through the resistor R3.
  • the smart sealed ⁇ control lead-acid battery device further includes a first switch disposed between the internal resistance detector and the VRLA and a second switch disposed between the automatic repair module and the VRLA, the first switch and the second switch being composed
  • the interlock circuit ensures that one of the internal resistance detector and the automatic repair module operates while the other is disconnected from the VRLA.
  • each of the battery multi-parameter sensor, the automatic repair function module, and the RFID function module can be installed at a position accommodating on the VRLA.
  • the VRLA internal resistance detector uses a four-wire internal resistance measurement method to measure the internal resistance of the VRLA.
  • the VRLA internal resistance detector includes a single chip microcomputer 301 and a sine wave constant current signal generating circuit and a voltage detecting circuit.
  • the constant current signal generating circuit includes a first digital low pass filter 302 and a sinusoidal signal current constant current source 303.
  • the microcontroller generates a desired sinusoidal pulse width modulation signal SPWM, which is input to the first digital low pass filter 302.
  • the SPWM signal is a voltage signal.
  • the first digital low pass filter 302 outputs a sinusoidal voltage signal to a sinusoidal signal current constant current source 303.
  • the sinusoidal signal current constant current source 303 includes a voltage controlled constant current source circuit, and the sinusoidal signal current constant current source 303 outputs a constant current through a sinusoidal voltage signal controlled constant current source 303, and passes through two wires via VRLA.
  • the positive and negative poles of 304 enter VRLA 304.
  • the VRLA 304 and the sinusoidal signal current constant current source 303 form a loop.
  • the constant current signal injected into the loop is a sinusoidal signal which acts as an excitation signal, and the magnitude of the current of the excitation signal can be adjusted according to the magnitude of the measured internal resistance.
  • the frequency of the sine wave excitation signal can be adjusted from 10 Hz to 1000 Hz.
  • the first A/D converter 305 A/D converts the output of the constant current source 303, and inputs the magnitude of the constant current of the output of the constant current source 303 to the microcontroller 301.
  • the second low pass filter 311 performs DC voltage potential extraction on the input signal, and filters out the high frequency noise signal, and then outputs a sine wave voltage signal.
  • the sine wave voltage signal is input to the second A/D converter 312.
  • the second A/D converter 312 extracts the amplitude and phase of the sine wave voltage signal and sends it to the microcontroller 301.
  • the first low pass filter 308 is not required, and the function and function of the first low pass filter 308 can also be accomplished by a dynamic digital band pass filter and a second low pass filter.
  • the extracted potential is smoothed using a simple linear averaging method in the prior art to obtain a voltage average value of the response signal of the SPWM excitation signal. Further, the single chip microcomputer 301 calculates the VRLA internal resistance by using Ohm's law based on the obtained voltage average value and the magnitude of the constant current output from the first A/D converter 305. The resistance value can be displayed through the liquid crystal or uploaded to the server via the network for storage.
  • the intelligent VRLA device includes an RFID module
  • the entire life cycle of the VRLA can be managed from production, sales, distribution, use, maintenance, scrapping, and recycling.
  • the RPID chip in each VRLA is cured with the number of the battery manufacturer, the production cycle, specifications, models, batches, and various performance indicators (including internal resistance values) of the VRLA. Wait for VRLA basic factory information.
  • VRLA status information is recorded using RFID to effectively track, monitor, and manage VRLAs, allowing VRLA to be controlled throughout its lifecycle.
  • VRLA status information refers to the final status information of each part of VRLA after leaving the factory, including: time, location, link (sales, circulation, use, maintenance, scrap, recycling), various performance indicators (including internal resistance), disposal methods Information
  • Fig. 7 is a circuit block diagram showing an automatic repair function module for VRLA according to the present invention.
  • the sinusoidal half-wave constant current signal of different frequencies resonates with the lead crystals of different particle sizes respectively, thereby crushing and "dissolving" large lead sulfate crystals, producing small particles of lead sulfate.
  • small particles Lead sulfate can be decomposed into lead ions and sulfate ions to participate in the reaction, eventually becoming lead and lead dioxide back to the plates, allowing lead sulfate crystals to be reduced from the plates.
  • the MCU of the VRLA internal resistance detector simultaneously sends an ON signal to the first switch, and the second switch disconnects the automatic repair module from the VRLA through the action of the interlock circuit.
  • the signals of the automatic repair module and the VRLA internal resistance detector do not interfere.
  • the VRLA internal resistance detector is again activated to perform internal resistance detection on the VRLA. According to the internal resistance value detected again, if the expert system judges that the internal resistance value still does not meet the specified requirements, the expert system gives an indication that the VRLA needs to be replaced.
  • the battery multi-parameter sensor can obtain the temperature, voltage, current and internal resistance of the VRLA in time and accurately, and input these parameter values into the expert system for analysis and judgment, thereby automatically starting the VRLA repair function module to repair the VRLA.

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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)
  • Microelectronics & Electronic Packaging (AREA)
  • Secondary Cells (AREA)

Abstract

L'invention concerne un dispositif de batterie étanche et intelligente au plomb-acide, régulée par vanne (VRLA), qui comprend au moins : un capteur de paramètres multiples de batterie et une batterie étanche VRLA. Le capteur de paramètres multiples de batterie comprend un capteur thermique, un capteur de pression, un capteur de courant et un détecteur de résistance interne. Le détecteur de résistance interne applique un signal de courant sinusoïdal constant à une fréquence prédéterminée à l'anode et à la cathode de la batterie VRLA étanche et détecte des signaux de réponse en tension aux deux extrémités de la batterie VRLA étanche. En fonction de la valeur d'amplitude du signal d'excitation à courant constant à la fréquence prédéterminée et de la valeur d'amplitude du signal correspondant de réponse en tension, il est possible de calculer la résistance intérieure de la batterie VRLA étanche à l'aide de la loi d'Ohm. L'amplitude du signal de courant sinusoïdal constant peut être ajustée automatiquement en fonction de l'impédance intérieure de la batterie VRLA. Le dispositif de batterie étanche VRLA comprend en outre un système expert destiné à déterminer l'état de la batterie VRLA, un module de fonction automatique de réparation destiné à réparer la batterie VRLA et un module à RFID destiné à surveiller la totalité du cycle de vie de la batterie VRLA.
PCT/CN2011/082381 2011-11-17 2011-11-17 Dispositif de batterie étanche et intelligente au plomb-acide, régulée par vanne WO2013071508A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2011/082381 WO2013071508A1 (fr) 2011-11-17 2011-11-17 Dispositif de batterie étanche et intelligente au plomb-acide, régulée par vanne

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Application Number Priority Date Filing Date Title
PCT/CN2011/082381 WO2013071508A1 (fr) 2011-11-17 2011-11-17 Dispositif de batterie étanche et intelligente au plomb-acide, régulée par vanne

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103311591A (zh) * 2013-06-28 2013-09-18 江苏玖宇实业有限公司 一种铅酸蓄电池修复方法
CN103698708A (zh) * 2013-12-05 2014-04-02 北京嘉德宝业科技发展有限公司 电池监测方法、监测装置及监测系统
GB2545699A (en) * 2015-12-22 2017-06-28 Poweroasis Ltd Smart lead acid battery module
CN110441705A (zh) * 2019-08-20 2019-11-12 广州供电局有限公司 蓄电池阻抗测试装置及方法
CN113093021A (zh) * 2021-03-22 2021-07-09 复旦大学 基于谐振电流脉冲的阀控铅酸蓄电池健康状态提升方法
CN114322916A (zh) * 2021-12-21 2022-04-12 扬州瑞恩电器设备有限公司 一种蓄电池板栅变形监测模具

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990004188A1 (fr) * 1988-10-14 1990-04-19 Allied-Signal Inc. Moniteur servant a controler l'etat general d'une batterie d'automobile
CN101894981A (zh) * 2010-05-28 2010-11-24 深圳市金一泰实业有限公司 铅酸电池组智能监测修复控制方法及系统
CN102157975A (zh) * 2011-03-31 2011-08-17 江苏大学 一种铅酸电池智能充电系统及充电方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990004188A1 (fr) * 1988-10-14 1990-04-19 Allied-Signal Inc. Moniteur servant a controler l'etat general d'une batterie d'automobile
CN101894981A (zh) * 2010-05-28 2010-11-24 深圳市金一泰实业有限公司 铅酸电池组智能监测修复控制方法及系统
CN102157975A (zh) * 2011-03-31 2011-08-17 江苏大学 一种铅酸电池智能充电系统及充电方法

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103311591A (zh) * 2013-06-28 2013-09-18 江苏玖宇实业有限公司 一种铅酸蓄电池修复方法
CN103698708A (zh) * 2013-12-05 2014-04-02 北京嘉德宝业科技发展有限公司 电池监测方法、监测装置及监测系统
GB2545699A (en) * 2015-12-22 2017-06-28 Poweroasis Ltd Smart lead acid battery module
CN110441705A (zh) * 2019-08-20 2019-11-12 广州供电局有限公司 蓄电池阻抗测试装置及方法
CN113093021A (zh) * 2021-03-22 2021-07-09 复旦大学 基于谐振电流脉冲的阀控铅酸蓄电池健康状态提升方法
CN113093021B (zh) * 2021-03-22 2022-02-01 复旦大学 基于谐振电流脉冲的阀控铅酸蓄电池健康状态提升方法
CN114322916A (zh) * 2021-12-21 2022-04-12 扬州瑞恩电器设备有限公司 一种蓄电池板栅变形监测模具
CN114322916B (zh) * 2021-12-21 2023-09-05 扬州瑞恩电器设备有限公司 一种蓄电池板栅变形监测模具

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