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The present application relates to the field of battery testing. Disclosed are a battery parameter measurement method and apparatus. The battery parameter measurement method comprises: measuring the current and the voltage of a battery at a first moment, the first moment being a moment when the battery is charged; stopping charging the battery; measuring the voltage of
The present invention provides an apparatus and a method for detecting a battery state of health and a battery management system, so as to detect a battery state of health in an in-service state, and accurately monitor a battery performance attenuation degree. A first aspect provides an apparatus for detecting a battery state of
The present invention discloses a battery characteristic parameter testing device. The testing device comprises a battery module, a characteristic data acquisition module, a characteristic data process module, a battery protection module and a charging and discharging module. The characteristic data acquisition module at least includes a data acquisition card, a temperature
The invention discloses a battery parameter detection device of an electric bicycle, which belongs to the technical field of electric bicycles and comprises a microcontroller, and a voltage acquisition module, a current acquisition module, a memory and a liquid crystal display module which are connected with the microcontroller. The invention also provides a detection method of the
The present disclosure relates to a battery leakage detection method, apparatus, electronic device, and storage medium, where the method is applied to a detection device configured with a test capacitor, and includes: acquiring a first capacitance value, a second capacitance value, a third capacitance value and a fourth capacitance value corresponding to a test capacitance,
For power-saving and yet precise determination of operating parameters for the period of time which is particularly significant in practice after a drop in the battery voltage, the device
Provided is a battery parameter estimation device capable of reducing errors in estimated values of internal resistance caused by temperature differences. A battery parameter estimation device that successively estimates parameters including the resistance in an equivalent circuit model (41) of a battery, on the basis of the temperature of the battery (1) and the voltage of the battery
A device has a battery presence detection system. Aline charging pulse signal is applied to a terminal battery detection line, which is connected when the battery is present to a ground line via a resistor and a capacitance. A detector determines whether the battery is connected to the mobile terminal based on detecting whether a line voltage edge or a line voltage level on the
The application provides a battery parameter detection device, which comprises an optical fiber sensing demodulator, a signal processing unit and a signal processing unit, wherein the...
A technology for electric bicycles and battery parameters, which is used in measuring devices, measuring electricity, measuring electrical variables, etc., can solve problems such as fire, capacity decline, battery aging, etc., and achieve the effect of
battery parameter hysteresis parameter estimation model Prior art date 2016-04-27 Legal status (The legal status 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 status listed.) Active Application number JP2016089505A Other languages Japanese (ja
In a parameter estimation device for a battery ( 1 ) for sequentially estimating parameters including a resistance in an equivalent circuit model ( 41 ) of the battery based on a temperature of the battery and at least one of a voltage of the battery and a current of the battery, as a resistance value of the resistance in the equivalent circuit
This is a method for control, fault detection, fault isolation, and state-of-health monitoring of batteries and battery arrays. The method consists of measuring all of the battery, cell, or cell group voltages, using statistics to determine a means voltage and a standard deviation voltage, then comparing all of the measured voltages to the mean voltage.
The application provides a method, a device and a system for detecting battery thermal runaway and a battery management unit, wherein the method for detecting the battery thermal runaway comprises the following steps: when a battery management unit of a battery pack is in a dormant state, acquiring a logic signal output by an air pressure sensor arranged in the battery pack;
The utility model discloses a battery parameter detection device which is connected with a battery component in a pluggable manner and comprises a circuit board, wherein a plurality of...
2. The parameter estimation device for a battery according to claim 1, R ( T ) = R T 0 exp ( a R ( T - T 0 ) T 0 T ) [ Math. 1 ] where T is the present temperature, R(T) is the resistance value at the present temperature T, T0 is the predetermined temperature, RT0 is the resistance value at the predetermined temperature T0, and aR is the temperature-dependent
The invention discloses a kind of battery parameter detection systems.The battery parameter detection system includes battery operating circuit, voltage detecting circuit, current detection circuit, temperature sensing circuit, central processing unit, communication module, display module and power module, the voltage detecting circuit, current detection circuit, temperature
Provided are a battery parameter estimation device and a parameter estimation device for estimating parameters of an equivalent circuit model of a battery, at reduced computational load. The device is provided with a charge/discharge current detection unit (3) for detecting a charge/discharge current value of a battery (1), a terminal voltage detection unit (2) for
The apparatus for detecting a battery state of health is configured to determine to measure a current value and a voltage value at a first time and a current value and a voltage value at a
The utility model relates to automatic control technology, relates to a kind of batteries of electric automobile parameter acquisition devices specifically.Batteries of electric automobile parameter acquisition devices described in the utility model, comprise multiple electric battery, it is characterized in that, also comprise Voltage measure, temperature meter, current measurer,
The invention relates to a battery sensor (10) for detecting at least one battery parameter, having at least two measuring units (16, 18), wherein the measuring units (16, 18)
A technology for battery parameters and electric vehicles, applied in measurement devices, measurement of electricity, measurement of electric variables, etc., can solve the problems of large battery current error, large battery parameter detection error, and inability to obtain effective compensation, so as to reduce battery parameter detection errors. Effect
The utility model relates to a battery pack health state evaluation system. The battery pack health state evaluation system comprises a main processor CPU used for comparing acquired work parameters of a single battery of a battery pack with preset parameters and making determination, a data acquisition module used for detecting parameters of voltage, current and temperature
Battery parameter estimation device Download PDF Info Publication number JP2016090330A. JP2016090330A JP2014223124A JP2014223124A JP2016090330A JP 2016090330 A JP2016090330 A JP 2016090330A JP 2014223124 A JP2014223124 A JP 2014223124A JP 2014223124 A JP2014223124 A JP 2014223124A JP 2016090330 A JP2016090330 A JP
The embodiment of the invention discloses a battery aging degree detection method, electronic equipment and a storage medium. The method comprises the following steps: acquiring an ultrasonic image of a battery to be detected, wherein the ultrasonic image reflects the distribution condition of electrolyte active substances in the battery; identifying the ultrasonic image by
the measurement of the operating parameters at constant or dynamically selected intervals saves energy, which must be supplied by the battery and thus allows the collection of time-resolved operating parameter data. This is particularly significant if the detection takes place in a vehicle which has been parked for a long time, since in this case the energy consumed by the
An electrical parameter detection device is configured for detecting electrical parameters of a peripheral component interconnect (PCI) connector including a plurality of power pins. The electrical parameter detection device includes a processor module, a first detection module, and a second detection module. The processor module continuously detects voltage values of
Provided is a device for estimating parameters of a battery, whereby it is possible to improve the the accuracy of estimating parameters of an equivalent circuit model of a battery, and to do so by a simple mathematical operation. This device for estimating parameters of a battery (1) includes: an equivalent circuit model (4A) of a battery having resistance and a capacitor as parameters;
A status parameter of a battery is input into a service system that includes a failure model obtained through training, to obtain a failure degree, and the failure degree is sent to a vehicle
(57) Methods and an electronic devices for estimat-ing battery parameters, where the method of estimating battery parameters performed by a processor includes determining whether a
Search for Battery Monitoring Patents and Patent Applications (Class 702/63) Filed with the USPTO a first detection unit configured to detect a first electrical parameter of a The battery control device controls the charge cut-off voltage and the discharge cut-off voltage such that an estimated positive potential does not exceed an
A system for battery current monitoring includes a system power throttle stored in memory and executable by the one or more processors to place a battery of an electronic device into a state of expected zero-drain throughout a time interval while the electronic device remains active, and a battery leakage monitor stored in the memory and executable by the
The utility model relates to an intelligent lithium battery anti-theft and protection device which includes a battery set, a current bypass, a detection and control unit, a signal receiver, a remote controller, and a transmitter. The battery set is composed of multiple lithium batteries. The current bypass is a charging/discharging circuit which is connected with the battery set.
The electric bicycle battery parameter detecting device and detecting method have the following beneficial effects: the current state of the battery can be accurately detected; a basis is
The battery parameter detection method comprises the following steps: detecting the current and the voltage of the battery at a first moment, wherein the first moment is the moment when...
A lead-acid battery and parameter detection technology, which is applied in the direction of measuring devices, measuring electricity, and measuring electrical variables, etc., can solve the problems of long sampling time, slow detection speed, and low detection accuracy, and achieve fast detection speed, simple structure, and high accuracy. high effect
US10175303B2 US15/030,658 US201415030658A US10175303B2 US 10175303 B2 US10175303 B2 US 10175303B2 US 201415030658 A US201415030658 A US 201415030658A US 10175303 B2 US10175303 B2
A device monitors the operating parameters of a battery, in particular a starter battery for an automobile. The operating parameters include at least the battery voltage and the device is supplied from the battery voltage. For power-saving and yet precise determination of operating parameters for the period of time which is particularly significant in practice after a drop in the
A smart battery which provides electrical power and which reports predefined battery parameters to an external device having a power management system, includes: at least one rechargeable cell connected to a pair of terminals to provide electrical power to an external device during a discharge mode and to receive electrical power during a charge mode, as