CN106646251A - Electric car vehicle power battery large-power direct current electric energy metering method - Google Patents
Electric car vehicle power battery large-power direct current electric energy metering method Download PDFInfo
- Publication number
- CN106646251A CN106646251A CN201611078218.4A CN201611078218A CN106646251A CN 106646251 A CN106646251 A CN 106646251A CN 201611078218 A CN201611078218 A CN 201611078218A CN 106646251 A CN106646251 A CN 106646251A
- Authority
- CN
- China
- Prior art keywords
- current
- voltage
- electric energy
- charging
- electric
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to an electric car vehicle power battery large-power direct current electric energy metering method. The method comprises the following steps: the step 1) sampling the charging and discharging current of the power battery through a current sampling module; the step 2) sampling the charging and discharging voltage of the power battery though a voltage sampling module; the step 3) converting the sampled charging and discharging current and the charging and discharging voltage through an electric energy metering module and inputting the converted charging and discharging current and the charging and discharging voltage into a processor module; and the step 4) performing data reading of the inputted sampling current and voltage and converting the sampling current and voltage to electric quantity signals through the processor module and displaying the electric quantity on the interface of a master control device in the curve display mode. The electric car vehicle power battery large-power direct current electric energy metering method is high in electric quantity metering precision of the battery and high in practicality, and can realize the comprehensive accurate calculation of the dual-directional electric energy of the electric car.
Description
Technical field
The present invention relates to a kind of vehicle-mounted electrokinetic cell high power DC electric energy gauging method of electric automobile.
Background technology
With the popularization of electric automobile, for the monitoring of electric quantity of batteries of electric vehicle becomes electric automobile user concern
One problem.The electric automobile for using at present, the metering for also not having the vehicle mounted dynamic battery high power DC electricity of unified standard
Device, and the most of direct current energy metering devices for using at present have work(mainly using simply mechanical monitoring and metering
Consumption is big, and measuring accuracy is relatively low, needs to carry out periodic calibration, and the strenuous vibration during traveling can affect the metering of metering device accurate
True property, it is impossible to meet the electric energy metrical demand of electric automobile.
The content of the invention
It is an object of the invention to provide a kind of vehicle-mounted electrokinetic cell high power DC electric energy gauging method of electric automobile, should
Method is practical for the electric quantity metering high precision of battery, while comprehensive standard of the bidirectional electric energy of electric automobile can also be realized
Really calculate.
A kind of vehicle-mounted electrokinetic cell high power DC electric energy gauging method of electric automobile of the present invention, comprises the steps：
Step 1) charging and discharging currents of electrokinetic cell are sampled by current sample module；
Step 2) charging/discharging voltage of electrokinetic cell is sampled by voltage sample module；
Step 3) charging and discharging currents sampled and charging/discharging voltage are changed and defeated by electric energy metering module
Enter to processor module；
Step 4) processor module by the sample rate current and voltage of input carry out digital independent and be converted into electricity letter
Number, it is displayed on the interface of master control set with curve image.
Further, step 2) in, the voltage sample module includes the essence for carrying out partial pressure switch to tested voltage
Cipher telegram hinder and for modulating the precision resistance partial pressure after voltage multiplication factor voltage instrument amplifier module；
The linearity of the precision resistance is 0.2%, and temperature drift coefficient is 55ppm/K.
Further, the voltage instrument amplifier module includes at least two voltage instrument amplifiers, two electricity
The input of pressure instrument amplifier is connected with each other, the output end of two voltage instrument amplifiers respectively with the electric energy metrical
Module connects, and the precision resistance will be sent to the electric energy metering module after tested voltage；
The sampling rate of the electric energy metering module is 150-450k, and precision is ± 0.05%, and the linearity is ± 0.06%,
Temperature drift coefficient is 185ppm/K.
Further, step 3) in, the electric energy metering module carries out the charging and discharging currents sampled and voltage to turn
Change, specifically include：
The current signal of collection is converted to by voltage signal by current sensor, then by current instrument amplifier module
The voltage signal exported from the current sensor is carried out into multiple amplification；
The current sensor is manganese copper diverter, and the linearity of the manganese copper diverter is 0.15%, and temperature drift coefficient is
200ppm/k, resistance is 1 bold and unconstrained Europe.
Further, the current instrument amplifier module includes at least two current instrument amplifiers, two electricity
The input of flow instrument amplifier is interconnected, and its output end is connected respectively with the electric energy metering module.
Further, data processing module is provided with the master control set, according to the discharge rate of electrokinetic cell and current
Dump energy, estimates the maximum distance that electrokinetic cell can also run, while detecting current electric automobile position distance most
The distance of nearly charging electric vehicle point, on a display screen display processing result, reminds human pilot, before current electric automobile continuation
Row needs to go to charge point to be charged.
Further, the Vehicular accumulator cell to carrying out quick charge arranges attemperating unit；
The attemperating unit includes arranging temperature sensor and electric quantity monitoring device to Vehicular accumulator cell, in electricity inspection
Survey in device and temperature control element is set；
The master control set control temperature sensor detects the Current Temperatures of the battery；By in electric quantity detection apparatus
Temperature control element regulate and control the Current Temperatures of the battery to preset range value.
Further, the abscissa of the curve image is the use time axle of the electrokinetic cell, and its ordinate is institute
State the voltage value of electrokinetic cell.
Further, the counter by arranging on the Vehicular accumulator cell measures the charging time of the Vehicular accumulator cell
Number；The counter is connected with the master control set, and the charging times of metering are in the display screen display；
By arranging alarm device on the counter, when the filling of the counters count to the Vehicular accumulator cell/
When discharge time reaches maximum, the alarm device sends sound, reminds human pilot to change battery in time.
The vehicle mounted dynamic battery high power DC electric energy gauging method that the present invention is provided, computation chip high precision, voltage is surveyed
Amount scope is wide, practical, accurately metering can be carried out comprehensively to bidirectional electric automobile electric energy, while human pilot can be directly perceived
The ground very first time recognizes the battery condition of on-vehicle battery.
Description of the drawings
The vehicle mounted dynamic battery high power DC electric energy gauging method schematic flow sheet that Fig. 1 is provided for the present invention；
The drop of the Vehicular accumulator cell in the vehicle mounted dynamic battery high power DC electric energy gauging method that Fig. 2 is provided for the present invention
The structural representation of warm device.
1. battery, 2. accumulator box, 3. phase transformation cooling material, 4. dry ice the storage box.
Specific embodiment
Embodiments of the present invention are illustrated below in conjunction with the accompanying drawings.
A kind of vehicle-mounted electrokinetic cell high power DC electric energy gauging method of electric automobile of the present invention, as shown in figure 1, including
Following steps：
101. are sampled by current sample module to the charging and discharging currents of electrokinetic cell；
102. are sampled by voltage sample module to the charging/discharging voltage of electrokinetic cell；
Voltage sample module includes the precision resistance for carrying out partial pressure switch to tested voltage and for modulating accurate electricity
The voltage instrument amplifier module of the multiplication factor of the voltage after resistance partial pressure；
The linearity of precision resistance is 0.2%, and temperature drift coefficient is 55ppm/K.
Voltage instrument amplifier module includes at least two voltage instrument amplifiers, the input of two voltage instrument amplifiers
End is connected with each other, and the output end of two voltage instrument amplifiers is connected respectively with electric energy metering module, and precision resistance is by tested electricity
Electric energy metering module is sent to after pressure partial pressure.
The charging and discharging currents and charging/discharging voltage of sampling are changed and are input into everywhere by 103. by electric energy metering module
Reason device module；
Electric energy metering module is changed the charging and discharging currents and voltage of sampling, is specifically included：
The current signal of collection is converted to by voltage signal by current sensor, then by current instrument amplifier module
The voltage signal exported from current sensor is carried out into multiple amplification.
Current sensor is manganese copper diverter, and the linearity of manganese copper diverter is 0.15%, and temperature drift coefficient is 200ppm/k,
Resistance is 1 bold and unconstrained Europe.
The sampling rate of electric energy metering module is 150-450k, and precision is ± 0.05%, and the linearity is ± 0.06%, temperature drift
Coefficient is 185ppm/K.
The sample rate current and voltage of input are carried out digital independent and are converted into electric quantity signal by 104. processor modules, with song
Line image is displayed on the interface of master control set.
Current instrument amplifier module includes at least two current instrument amplifiers, the input of two current instrument amplifiers
End is interconnected, and its output end is connected respectively with electric energy metering module.
In the present embodiment, the metering method is by being used to gather the current sample module of electrokinetic cell charging and discharging currents, using
In collection electrokinetic cell charging/discharging voltage voltage sample module, for the output to voltage sample module and current sample module
The electric energy metering module of processor module is changed and exported to signal, for read electric quantity metering unit measurement data simultaneously
The processor module that the charging and discharging state data message of electrokinetic cell is processed and the external interface for data transmission.
Current acquisition module includes being converted into the current sensor of voltage signal and for modulating electric current for tested electric current
The current instrument amplifier module of the multiplication factor of sensor output voltage signal, current sensor is manganese copper diverter.
Data processing module is provided with master control set, according to the discharge rate and current residual electricity of electrokinetic cell, estimation
Go out the maximum distance that electrokinetic cell can also run, while detecting the closest charging electric vehicle in current electric automobile position
The distance of point, on a display screen display processing result, reminds human pilot, current electric automobile to continue to move ahead or need to go to
Charge point is charged.
The Vehicular accumulator cell to carrying out quick charge arranges attemperating unit；
The attemperating unit includes arranging temperature sensor and electric quantity monitoring device to Vehicular accumulator cell, in electricity inspection
Survey in device and temperature control element is set；
The master control set control temperature sensor detects the Current Temperatures of the battery；By in electric quantity detection apparatus
Temperature control element regulate and control the Current Temperatures of the battery to preset range value.
When needing to be filled soon, preferably temperature sensor can be arranged to Vehicular accumulator cell, be arranged in front of bridge
Master control set, which is provided with display screen.Master control set control temperature sensor detects the Current Temperatures of battery.When the temperature
Sensor detect the battery Current Temperatures exceed highest critical value when, send feedback information give the master control set,
The master control set receive information simultaneously starts cooling system the battery is promptly lowered the temperature.
During electric quantity detection apparatus detection battery current residual electricity, temperature control element is inside provided with, temperature control element regulation and control are described
The Current Temperatures of battery are to preset range value.
Electric quantity detection apparatus can be and be obtained by commercially available buying, it is possible to use conventional intelligent power monitor.It is preferred that electricity
Detection means is electric power detection chip, and the electric power detection chip preferably adopts BQ27x00 systems, there is provided such as electricity residue shape
The information such as state, remaining runtime.Main frame can inquire at any time this information, and be determined it is to pass through by main frame
LED still notifies end user about the information of battery by on-screen-display messages.
In order to protect Vehicular accumulator cell, reduce the infringement caused to it in charging process, can preferably give Vehicular accumulator cell
Temperature sensor is arranged, while temperature control element is arranged in the electric quantity detection apparatus to regulate and control the current temperature of Vehicular accumulator cell
Degree.
Temperature sensor is non-contact temperature sensor, and the measurement upper limit is not limited by temperature-sensing element heatproof degree, because
And highest observable temperature is not limited in principle.It is preferred that using the OS136-1-K models of U.S. omega.
Temperature control element is Kick type temperature controller, and the automatically reset reset of remote control Kick type temperature controller is arranged on master control set
Switch, after heat sink is cooled to preset temperature to battery, cooling is completed feedback of the information to master control set by temperature control element,
The inner contact of master control set control Kick type temperature controller automatically resets.
Specifically, temperature control element adjust battery Current Temperatures when, according in temperature control element store charging current with
Battery temp control information automatically adjusts, specially：
Temperature control element recognize the maximum safe temperature that current battery can reach and at such a temperature it is accessible most
Big charging current, and the current charging current of battery is adjusted to maximum charging current.
When the Current Temperatures that temperature sensor detects battery exceed highest critical value, send feedback information is to master control
Device, master control set receive information simultaneously starts cooling system battery is promptly lowered the temperature.
As shown in Fig. 2 cooling system includes 3 layers of phase transformation cooling material and dry ice cooling layer；
Battery 1 is placed in the wall of side in the accumulator box 2 filled with phase transformation cooling material 3, in the outer of accumulator box 2
Portion is arranged dry ice the storage box 4, and carbon dioxide ice maker is equipped with simultaneously in dry ice the storage box 4；Using phase transformation cooling material 3 to battery
1 is lowered the temperature, meanwhile, outside dry ice layer absorbs the heat of the release of battery 1 that phase-change material absorbs to phase transformation cooling material 3
Lowered the temperature.
Urgent cooling needs to arrange to lower the temperature on battery 1 to arrange, in order to more efficiently drop to battery 1
Temperature, the cooling system drop phase transformation cooling material 3 and carbon dioxide ice maker are used in combination, specifically, battery 1 is placed in the wall of side
In accumulator box 2 filled with phase transformation cooling material 3, in the outside of accumulator box 2 dry ice the storage box 4, dry ice the storage box 4 are arranged
Upper to be equipped with carbon dioxide ice maker simultaneously, the power resources of the carbon dioxide ice maker are in Vehicular accumulator cell 1；Using phase transformation cooling material 3
Battery 1 is lowered the temperature, meanwhile, outside dry ice layer absorbs the heat pair of the release of battery 1 that phase transformation cooling material 3 absorbs
Phase transformation cooling material 3 is lowered the temperature.
The component of the primary raw material of the phase transformation cooling material is：
Water strontium chloride SrCl26H2O, 0.5g fusing point of 17g calcium chloride hexahydrate GaCl26H2O, 0.75g nucleator six is adjusted
Section agent sodium chloride nacl, thickener sodium cellulose glycolate (carboxymethylcellulose sodium, NaCMC) 0.25g
And water 2.5g.
Above-mentioned raw materials are mixed and be configured to solution, is subsequently placed in 80 DEG C of water bath with thermostatic control and is heated, and constantly stirred
Until raw material whole melt solution becomes transparency liquid.Then, transparency liquid is placed in a low temperature of 4 DEG C and is crystallized, complete initial
The storage of energy and release, obtain phase-change material.The phase transition temperature of obtained phase-change material is 31 DEG C, and latent heat of phase change is 168J/
g。
When cooling system to beyond highest critical value battery lower the temperature 1 minute after be not also cooled to highest critical value or
When below person's highest critical value, emergency power off signal is sent, master control set receives emergency power off signal and starts emergency power off dress
Put, stop charging battery.
It is preferred that, the battery can be can quick charge also can repid discharge two-way battery, including first is non-aqueous
Electrolytic cell, the second nonaqueous electrolyte battery and control unit；
First nonaqueous electrolyte battery can adsorb release lithium ion, and containing powdered graphite, mean particle diameter is micro- more than 2
Rice；
Second nonaqueous electrolyte battery is can to adsorb lithium ion, and current potential is 0.5-0.6Vvs.Li/Li+, primary particle
Mean particle diameter is more than the negative electrode active material of 1 micron and titanium-containing metal oxide；
Control unit at least makes first non-aqueous in the case where not powering externally to the second nonaqueous electrolyte battery, intermittently
Electrolytic cell is connected with the second nonaqueous electrolyte battery, and the depth of discharge of the second nonaqueous electrolyte battery is 10-90%.
When the depth of charge of the second nonaqueous electrolyte battery is in the range of 50-100%, with the control of constant current constant voltage
Mode charges from the second nonaqueous electrolyte battery to the first nonaqueous electrolyte battery；
It is non-from first with constant voltage control mode when the depth of charge of the second nonaqueous electrolyte battery decreases below 40%
Water-Electrolyte battery to the second nonaqueous electrolyte battery charges.
The abscissa of curve image is the use time axle of electrokinetic cell, and its ordinate is the current electric quantity of electrokinetic cell
Value.
The charging times of Vehicular accumulator cell are measured by the counter arranged on Vehicular accumulator cell；Counter is filled with master control
Connection is put, the charging times of metering show on a display screen；
By arranging alarm device on counter, when the Charge/Discharge Cycles of counters count to Vehicular accumulator cell reach
During maximum, alarm device sends sound, reminds human pilot to change battery in time.
More than, although several embodiments of the invention is illustrated, but these embodiments are intended only as example proposition
, it is not intended to limit the scope of the present invention.For these new embodiments, can be implemented in other various modes,
In the range of without departing from idea of the invention, various omissions, displacement and change can be carried out.These embodiments and its change
Shape, while being contained in scope and spirit of the present invention, the invention that is also contained in described in claims and its impartial model
In enclosing.
Claims (9)
1. the vehicle-mounted electrokinetic cell high power DC electric energy gauging method of a kind of electric automobile, it is characterised in that comprise the following steps：
Step 1) charging and discharging currents of electrokinetic cell are sampled by current sample module；
Step 2) charging/discharging voltage of electrokinetic cell is sampled by voltage sample module；
Step 3) by electric energy metering module the charging and discharging currents sampled and charging/discharging voltage are changed and are input to
Processor module；
Step 4) sample rate current and voltage of input carry out digital independent and be converted into electric quantity signal by the processor module, with
Curve image is displayed on the interface of master control set.
2. the vehicle-mounted electrokinetic cell high power DC electric energy gauging method of electric automobile as claimed in claim 1, it is characterised in that
Step 2) in, the voltage sample module includes the precision resistance for carrying out partial pressure switch to tested voltage and for modulating
State the voltage instrument amplifier module of the multiplication factor of the voltage after precision resistance partial pressure；
The linearity of the precision resistance is 0.2%, and temperature drift coefficient is 55ppm/K.
3. the vehicle-mounted electrokinetic cell high power DC electric energy gauging method of electric automobile as claimed in claim 2, it is characterised in that
The voltage instrument amplifier module includes at least two voltage instrument amplifiers, the input of two voltage instrument amplifiers
End is connected with each other, and the output end of two voltage instrument amplifiers is connected respectively with the electric energy metering module, the precision
Resistance will be sent to the electric energy metering module after tested voltage；
The sampling rate of the electric energy metering module is 150-450k, and precision is ± 0.05%, and the linearity is ± 0.06%, temperature drift
Coefficient is 185ppm/K.
4. the vehicle-mounted electrokinetic cell high power DC electric energy gauging method of electric automobile as claimed in claim 1, it is characterised in that
Step 3) in, the electric energy metering module is changed the charging and discharging currents sampled and voltage, is specifically included：
The current signal of collection is converted to by voltage signal by current sensor, then will be from by current instrument amplifier module
The voltage signal of the current sensor output carries out multiple amplification；
The current sensor is manganese copper diverter, and the linearity of the manganese copper diverter is 0.15%, and temperature drift coefficient is
200ppm/k, resistance is 1 bold and unconstrained Europe.
5. the vehicle-mounted electrokinetic cell high power DC electric energy gauging method of electric automobile as claimed in claim 4, it is characterised in that
The current instrument amplifier module includes at least two current instrument amplifiers, the input of two current instrument amplifiers
End is interconnected, and its output end is connected respectively with the electric energy metering module.
6. the vehicle-mounted electrokinetic cell high power DC electric energy gauging method of electric automobile as claimed in claim 1, it is characterised in that
Data processing module is provided with the master control set, according to the discharge rate and current residual electricity of electrokinetic cell, estimation is set out
The maximum distance that power battery can also run, while detecting the closest charging electric vehicle point in current electric automobile position
Distance, on a display screen display processing result, reminds human pilot, current electric automobile to continue to move ahead or need to go to charging
Point is charged.
7. the vehicle-mounted electrokinetic cell high power DC electric energy gauging method of electric automobile as claimed in claim 6, it is characterised in that
The Vehicular accumulator cell to carrying out quick charge arranges attemperating unit；
The attemperating unit includes arranging temperature sensor and electric quantity monitoring device to Vehicular accumulator cell, in electric power detection dress
Put interior setting temperature control element；
The master control set control temperature sensor detects the Current Temperatures of the battery；By the temperature in electric quantity detection apparatus
Control element regulates and controls the Current Temperatures of the battery to preset range value.
8. the vehicle-mounted electrokinetic cell high power DC electric energy gauging method of electric automobile as claimed in claim 1, it is characterised in that
The abscissa of the curve image is the use time axle of the electrokinetic cell, and its ordinate is the current electricity of the electrokinetic cell
Value.
9. the vehicle-mounted electrokinetic cell high power DC electric energy gauging method of electric automobile as claimed in claim 1, it is characterised in that
The charging times of the Vehicular accumulator cell are measured by the counter arranged on the Vehicular accumulator cell；The counter and institute
Master control set connection is stated, the charging times of metering are in the display screen display；
By arranging alarm device on the counter, when the counters count is to the charge/discharge of the Vehicular accumulator cell
When number of times reaches maximum, the alarm device sends sound, reminds human pilot to change battery in time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611078218.4A CN106646251A (en) | 2016-11-30 | 2016-11-30 | Electric car vehicle power battery large-power direct current electric energy metering method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611078218.4A CN106646251A (en) | 2016-11-30 | 2016-11-30 | Electric car vehicle power battery large-power direct current electric energy metering method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106646251A true CN106646251A (en) | 2017-05-10 |
Family
ID=58814390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611078218.4A Pending CN106646251A (en) | 2016-11-30 | 2016-11-30 | Electric car vehicle power battery large-power direct current electric energy metering method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106646251A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111812401A (en) * | 2020-06-19 | 2020-10-23 | 北京国网普瑞特高压输电技术有限公司 | Vehicle-mounted power battery high-power direct-current electric energy metering method and system |
| CN111856133A (en) * | 2020-06-12 | 2020-10-30 | 中国电力科学研究院有限公司 | Electric energy metering device and metering method suitable for direct current large current |
| CN112578285A (en) * | 2020-12-03 | 2021-03-30 | 国网江西省电力有限公司南昌供电分公司 | Lead-acid storage battery performance testing device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010521949A (en) * | 2007-03-26 | 2010-06-24 | ザ ジレット カンパニー | Fast battery charger apparatus and method |
| CN102324591A (en) * | 2011-08-12 | 2012-01-18 | 东莞市龙行航空科技有限公司 | Constant temperature control battery pack |
| CN102809729A (en) * | 2012-05-11 | 2012-12-05 | 武汉中原电子集团有限公司 | Electricity metering device for power battery |
| CN103754131A (en) * | 2014-01-27 | 2014-04-30 | 国家电网公司 | Electric car storage battery replacing system and method |
| CN105015347A (en) * | 2015-07-15 | 2015-11-04 | 广东好帮手电子科技股份有限公司 | Real-time driving mileage prompt method and system for electromobile |
-
2016
- 2016-11-30 CN CN201611078218.4A patent/CN106646251A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010521949A (en) * | 2007-03-26 | 2010-06-24 | ザ ジレット カンパニー | Fast battery charger apparatus and method |
| CN102324591A (en) * | 2011-08-12 | 2012-01-18 | 东莞市龙行航空科技有限公司 | Constant temperature control battery pack |
| CN102809729A (en) * | 2012-05-11 | 2012-12-05 | 武汉中原电子集团有限公司 | Electricity metering device for power battery |
| CN103754131A (en) * | 2014-01-27 | 2014-04-30 | 国家电网公司 | Electric car storage battery replacing system and method |
| CN105015347A (en) * | 2015-07-15 | 2015-11-04 | 广东好帮手电子科技股份有限公司 | Real-time driving mileage prompt method and system for electromobile |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111856133A (en) * | 2020-06-12 | 2020-10-30 | 中国电力科学研究院有限公司 | Electric energy metering device and metering method suitable for direct current large current |
| CN111812401A (en) * | 2020-06-19 | 2020-10-23 | 北京国网普瑞特高压输电技术有限公司 | Vehicle-mounted power battery high-power direct-current electric energy metering method and system |
| CN111812401B (en) * | 2020-06-19 | 2022-04-22 | 北京国网普瑞特高压输电技术有限公司 | Vehicle-mounted power battery high-power direct-current electric energy metering method and system |
| CN112578285A (en) * | 2020-12-03 | 2021-03-30 | 国网江西省电力有限公司南昌供电分公司 | Lead-acid storage battery performance testing device and method |
| CN112578285B (en) * | 2020-12-03 | 2023-07-25 | 国网江西省电力有限公司南昌供电分公司 | Lead-acid storage battery performance testing device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2897468C (en) | Battery monitoring device, power storage system, and control system | |
| CN106597302A (en) | Electric quantity metering method for vehicle-mounted power battery of electromobile | |
| US8965722B2 (en) | Apparatus for calculating residual capacity of secondary battery | |
| US9255971B2 (en) | Device and method for detecting state of health of batteries | |
| CN106646251A (en) | Electric car vehicle power battery large-power direct current electric energy metering method | |
| JP5421632B2 (en) | Battery pack | |
| JP5497319B2 (en) | Battery assembly apparatus and battery assembly method | |
| CN102865942B (en) | Temperature testing method, device and system of power cells | |
| US10823497B2 (en) | Insulation-time determining device for a thermally insulated container | |
| WO2020199928A1 (en) | Method for detecting short circuit in battery pack and related apparatus and electric vehicle | |
| CN102636756A (en) | Automotive battery soc estimation based on voltage decay | |
| JP2007057434A (en) | Degradation estimation system for electricity accumulation device | |
| CN105738813A (en) | Method for realizing online monitoring on energy storage cell safety state | |
| TW201734493A (en) | Battery SOH detection method and circuit thereof whereby the battery SOH is calculated based on the ohmic resistance, the charge transfer resistance and the mass transfer impedance, and is compared with the aged battery database to estimate the battery's remaining life | |
| CN110221212A (en) | A kind of on-line dynamic measurement method of internal temperature of lithium ion battery | |
| Zhu et al. | A novel designed visualized Li-ion battery for in-situ measuring the variation of internal temperature | |
| KR20140109098A (en) | Apparatus and method for charging amount of battery | |
| Yang et al. | Experimental study on temperature difference between the interior and surface of Li [Ni1/3Co1/3Mn1/3] O2 prismatic lithium-ion batteries at natural convection and adiabatic condition | |
| CN102394322B (en) | A kind of Intelligent storage battery with warning function | |
| CN113258147B (en) | Intelligent battery | |
| CN108562858A (en) | A kind of electric vehicle instrument SOC measuring devices | |
| CN105259510B (en) | The assay method of lithium ion battery temperature entropy coefficient | |
| CN115117971A (en) | Lithium battery charging detection device and use method thereof | |
| KR101342529B1 (en) | Energy storage system controller, method and computer readable recording medium thereof | |
| CN207319179U (en) | A kind of electronic equipment and laptop |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
|
| RJ01 | Rejection of invention patent application after publication |