CN105759147A - Integrated test device for battery management system of electric vehicle - Google Patents
Integrated test device for battery management system of electric vehicle Download PDFInfo
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- CN105759147A CN105759147A CN201610207759.6A CN201610207759A CN105759147A CN 105759147 A CN105759147 A CN 105759147A CN 201610207759 A CN201610207759 A CN 201610207759A CN 105759147 A CN105759147 A CN 105759147A
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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Abstract
The invention discloses an integrated test device for a battery management system of an electric vehicle, which comprises a central processor, a battery pack, a charging relay and an adjustable charger, wherein the control end of the charging relay is connected onto the first output end of a main control module in the battery management system; the input end of the adjustable charger is connected onto the first output end of the charging relay; the input end of the battery pack is connected onto the output end of the adjustable charger; the first output end of the battery pack is respectively connected onto the input end of a first acquisition module and the input end of a second acquisition module in the battery management system; the second output end of the battery pack is respectively connected with the input end of a high-voltage module in the battery management system and the central processor; and the main control module is also connected with the central processor. As the central processor is adopted for control, slave machine, high-voltage module address configuration and battery pack information configuration can be directly completed, the workload of a technical support person is reduced, and problems such as manual operation errors in the field can be avoided.
Description
Technical field
The invention belongs to electric vehicle engineering field, more particularly, to the integrated test electricity testing device of a kind of cell management system of electric automobile.
Background technology
Electric automobile is because meeting the guiding of national policy, and energy-conserving and environment-protective, industry development was very swift and violent in recent years.Currently used accumulator needs a set of battery management system that it is managed as the electric automobile of power.
Cell management system of electric automobile BMS (BatteryManagementSystem) is mainly used in the charging process to accumulator and discharge process is managed; improve service lifetime of accumulator; and provide the user the general name of the Circuits System of relevant information, generally by monitoring, protection circuit, electrically, the part such as communication interface, heat management device forms.
This battery management system is made up of several separate modules, including main control module, acquisition module and high-pressure modular.Wherein acquisition module is responsible for gathering battery voltage, temperature, and high-pressure modular is responsible for gathering charging and discharging currents, insulation resistance and calculating SOC (StateofCharge).Main control module is mainly information processing and system controls.
BMS is because assembly is many, and application scenarios is flexible and changeable, is frequently encountered by the problems such as device Configuration error, product bug at the scene in work progress.Therefore a set of integrated test system for producing in batches it is badly in need of, it is ensured that production efficiency and quality.
Traditional production test method is tested based on individual module, and main purpose is whether the key components on detection individual module normal, individual module can normal operation, test function is simple, and scene is single.But, the normal operation of BMS needs main control module, acquisition module and high-pressure modular networking to coordinate.In BMS system, acquisition module and high-pressure modular are required for main control module and carry out address and set of cells configuration, collection data are reported host analysis by acquisition module and high-pressure modular, issue action command after host analysis data, control the concrete functions such as discharge and recharge, equilibrium, security protection.Traditional testing process only tests individual module, it is impossible to the cooperation scene between simulated field main control module, acquisition module, high-pressure modular, and therefore relevant function all cannot be tested, and test is not comprehensive, leaves uncertain factor to in-site installation.
Meanwhile, traditional test platform uses divider resistance to simulate real set of cells, therefore cannot test charging current and calculate the important indicators such as SOC.Additionally, gather amplifier input impedance not infinity, there is input bias current in amplifier input, is equivalent to one bigger resistance of parallel connection to divider resistance, causes certain systematic error, and the acquisition precision of acquisition module is impacted.Traditional test platform is protected also without to battery voltage gathering line, it is easy to the accident because human negligence is short-circuited.
Fig. 1 illustrates traditional battery voltage analog device, including the resistance R147 being sequentially connected in series between power supply VCC and ground, resistance R148, resistance R150, resistance R151 and resistance R152；Wherein being connected in series of resistance R151 and resistance R152 is held for connecting battery BAT1；Resistance R150 and resistance R151 is connected in series end for connecting battery BAT2；Resistance R150 and resistance R148 is connected in series end for connecting battery BAT3；Resistance R148 and resistance R147 is connected in series end for connecting battery BAT4.
Main control module has many groups to control switch can outside high-voltage relay to be controlled, and corresponding switch motion is not detected by traditional test platform, if stick together will be uncontrolled for relay contact.
Summary of the invention
Defect for prior art; it is an object of the invention to provide the integrated test electricity testing device of a kind of cell management system of electric automobile, it is intended to solve existing test platform and battery voltage gathering line is not protected the problem causing the easy accident that is short-circuited because of human negligence.
The invention provides the integrated test electricity testing device of a kind of cell management system of electric automobile, including central processing unit, set of cells, charge relay and scalable charger；First outfan controlling the main control module that end is connected in described battery management system of described charge relay, the input of described scalable charger is connected to the first outfan of described charge relay, the input of described set of cells is connected to the outfan of described scalable charger, the input of the first acquisition module that the first outfan of described set of cells is respectively connecting in described battery management system and the input of the second acquisition module；The input of the high-pressure modular that the second outfan of described set of cells is respectively connecting in described battery management system and described central processing unit；First outfan of described high-pressure modular is connected to the first input end of described main control module, second outfan of described high-pressure modular is connected to described central processing unit, and the outfan of described first acquisition module and the outfan of described second acquisition module are connected to the second input of described main control module；Described main control module is also connected with described central processing unit.
Further, described integrated test electricity testing device is connected by wire and cable connector with the described main control module in described battery management system, described acquisition module and described high-pressure modular.
Further, during work, tested by CAN, collection data are reported described host module from machine, also report described central processing unit in order to checking precision simultaneously；Stagnation pressure, charging and discharging currents and insulation resistance data are reported described host module by CAN by described high-pressure modular, also report described central processing unit simultaneously；Data for collecting with described central processing unit contrast.
Further, described charge relay is double-contact relay, and described double-contact relay is simultaneously by the control of described central processing unit and described main control module and detection.
Further, described charge relay includes optocoupler D38, metal-oxide-semiconductor Q101, Zener diode D39, Zener diode D41, diode D105, diode D40, resistance R132, resistance R133, resistance R134, resistance R135, resistance R136, resistance R113, resistance R114, resistance R120, electric capacity C56 and electric capacity C65；One end of described resistance R133 is as EXT_P and RELAY1_P, the other end of resistance R133 is connected to first end of optocoupler D38, the other end of resistance R133 is connected to the drain electrode of metal-oxide-semiconductor Q101 also by the resistance R135 being sequentially connected in series and resistance R120, the end that is connected in series of resistance R135 and resistance R120 is connected to second end of optocoupler D38, one end of resistance R134 is as RELAY_FL1, electric capacity C65 ground connection is passed through in one end of resistance R134, the other end of resistance R134 is connected to the 3rd end of optocoupler D38, the other end of resistance R134 is also by resistance R136 ground connection, 4th end of optocoupler D38 connects power vd D by resistance R132；One end of resistance R113 is as RELAY1, and the other end of resistance R113 is connected to the grid of metal-oxide-semiconductor Q101, and one end of resistance R114 is connected to the grid of metal-oxide-semiconductor Q101, the other end ground connection of resistance R114, the gate-source ground connection of metal-oxide-semiconductor Q101；The negative electrode of diode D40 is connected to the drain electrode of metal-oxide-semiconductor Q101, and the anode of diode D40 is as RELAY1_N；The anode of Zener diode D39 is connected to RELAY1_P, and the negative electrode of Zener diode D39 is connected to the negative electrode of Zener diode D41, and the anode of Zener diode D41 is connected to the drain electrode of metal-oxide-semiconductor Q101, and the anode of Zener diode D41 is also by electric capacity C56 ground connection；The negative electrode of diode D105 is connected to the drain electrode of metal-oxide-semiconductor Q101, the plus earth of diode D105.
Further, the voltage of described set of cells is concurrently accessed from machine module and described central processing unit.
Further, described scalable charger is for charging to described set of cells, and charging current when charging to described set of cells can be adjusted according to practical situation.
The present invention, before test by main frame, be attached from machine and high-pressure modular according to practical application scene, uses real set of cells to test, and uses test platform central processing unit monitor in real time from the transmitting order to lower levels of machine, reported data and the main frame of high-pressure modular.Meanwhile, test platform has the collection sensor of a whole set of standard, and the tested result gathering sensor from collection result and the test platform of machine, high-pressure modular is contrasted, it is ensured that the acquisition precision of equipment under test.Whether the central processing unit of test platform according to the action gathering data prediction main frame, and can also detect main frame it is anticipated that be operating normally, thus the normal operation of the whole system ensured.Using actual battery group to carry out charge-discharge test, safety is good, and measuring accuracy is high, and test item covers comprehensively.Use can the relay of retaking of a year or grade state, it is to avoid because overcharging of causing of relay fault, crosses and puts the battery damage caused.Adjustable current charger is used to charge to set of cells, it is possible to control charging current according to practical situation.Simultaneously as present invention employs central processing unit control, therefore can being done directly from machine, high-pressure modular address configuration, battery pack information configures, and reduces the workload of technical support personnel, avoids the problems such as on-the-spot human operational error simultaneously.
Accompanying drawing explanation
Fig. 1 is the circuit principle structure figure of the battery voltage analog device that prior art provides；
Fig. 2 is the theory diagram of the integrated test electricity testing device of the cell management system of electric automobile that the embodiment of the present invention provides；
Fig. 3 is the circuit topology figure of the integrated test electricity testing device of the cell management system of electric automobile that the embodiment of the present invention provides；
Fig. 4 is the circuit diagram of the charger charging circuit in the integrated test electricity testing device of the cell management system of electric automobile that the embodiment of the present invention provides；
Fig. 5 is the physical circuit figure of traditional charge relay circuit；
Fig. 6 be the cell management system of electric automobile that the embodiment of the present invention provides integrated test electricity testing device in the circuit diagram of charge relay.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
The frame diagram of the integrated test electricity testing device of the cell management system of electric automobile that Fig. 2 provides for the embodiment of the present invention, for the ease of illustrating, illustrate only the part relevant to the embodiment of the present invention, details are as follows:
The integrated test electricity testing device of cell management system of electric automobile includes central processing unit 100, set of cells 101, charge relay 102 and scalable charger 103；First outfan controlling the main control module 200 that end is connected in battery management system of charge relay 102, the input of scalable charger 103 is connected to the first outfan of charge relay 102, the input of set of cells 101 is connected to the outfan of scalable charger 103, the input of the first acquisition module 202 that the first outfan of set of cells 101 is respectively connecting in battery management system and the input of the second acquisition module 203；The input of the high-pressure modular 201 that the second outfan of set of cells 101 is respectively connecting in battery management system and central processing unit；First outfan of high-pressure modular 201 is connected to the first input end of main control module 200, second outfan of high-pressure modular 201 is connected to central processing unit 100, and the outfan of the first acquisition module 202 and the outfan of the second acquisition module 203 are connected to the second input of main control module 200；Main control module 200 is also connected with central processing unit 100.
Before test, main control module to be tested, acquisition module, high-pressure modular by wire and cable connector, are connected to integrated test electricity testing device, and start test.All test modules and integrated test electricity testing device CAN message follow " Q_SZQY30001_2014 battery management system (BMS) internal controller LAN (CAN) communications protocol ".
Test critical workflow includes: gather voltage temperature parameter by 4 MAX17830 chips in integrated test electricity testing device, in CAN, capture the message of main control module, high-pressure modular, acquisition module simultaneously, and extract data, judge that whether each collection value, each transmitting order to lower levels be correct by MCU software.Open charger, adjust charging current, Hall element on integrated test electricity testing device will gather electric current, capture the data resolving main control module, high-pressure modular, acquisition module simultaneously, judge that whether each collection value, each transmitting order to lower levels be correct by MCU software in CAN.
Tested by CAN, collection data are reported host module from machine, also report test platform central processing unit in order to checking precision simultaneously；The data such as stagnation pressure, charging and discharging currents, insulation resistance are reported host module by CAN by tested high-pressure modular, also report test platform central processing unit simultaneously and contrast in order to the data collected with test platform central processing unit.
On charge circuit, test platform is furnished with double-contact relay, scalable charger, actual battery group；Double-contact relay simultaneously tested person platform central processor and master control module controls and detection, battery voltage is concurrently accessed from machine module and test platform central processing unit；Test platform central processing unit can control scalable charger and control the size of set of cells charging current.
Fig. 3 illustrates the circuit topology figure of the integrated test electricity testing device of the cell management system of electric automobile that the embodiment of the present invention provides.The function of test platform central processing unit includes man-machine interaction, battery voltage acquisition, discharge current measurement, Control, relay status detection, charging current measurement, insulation measurement, sound and light alarm and CAN communication.Wherein, human-computer interaction interface can select touch screen or connect portable machine by RS232, simple by touch screen interaction, it is not necessary to other equipment are obtained with test mode, mutual more directly perceived by portable machine, it is possible to display the inquiry currency of each physical quantity, history value；Cell voltage uses the high-precision AD collection of test platform central processing unit, the magnitude of voltage collected and the tested magnitude of voltage reported from machine is contrasted, in order to identify from machine whether normal operation and from the measuring accuracy of machine；Discharge current is by gathering the magnitude of voltage detection of a Hall element on discharge loop, and test platform central processing unit uses the AD voltage gathering this Hall element to obtain current value；Relay controls to disconnect and closure state by the GPIO of test platform central processing unit and tested main frame, thus controlling battery charging；Relay status detection is realized by a double-contact relay, and test platform central processing unit detects relay status in real time, in order to judge whether tested main frame issues charging instruction according to normal need；Charging current is measured and is completed again by a Hall element on charge circuit；Insulation resistance is just drawn with total bearing from total, by a set of insulation resistance measurement circuit, measures to respectively the central processing unit of host module and test platform；When there being test item obstructed out-of-date, reported to the police by buzzer and light emitting diode etc. and indicate the project do not passed through.
The physical quantity that main control module and test platform central processing unit contrast after detecting simultaneously includes: charging current, discharge current, relay status, cell voltage, temperature, insulation resistance and stagnation pressure etc..
Set of cells employs software and hardware duplicate protection measure.On hardware set of cells go between on inline fuse, set of cells can be protected when if there is human operational error's short circuit；Software detects battery voltage in real time, when finding that battery core voltage is 0 or sends sound and light alarm less than 0 time.
In embodiments of the present invention, use real set of cells to test, including use scalable charger test set of cells charging current, be charged current detecting and compare, the detection of discharge current with compare；Having Hall element can gather charging and discharging currents on integrated test electricity testing device, module to be measured also can report charging and discharging currents, then compares.
As shown in Figure 4, charging circuit use civil power export after rectification module rectification, output current adjustment joint.When not being charged, battery is to power load modules.When being charged testing, first arranging charging current is 2A, battery management system obtains charging current by gathering the Hall element on charge circuit, and the measured value of measured value Yu test platform is compared, if both are consistent, charging current are risen to 4A, carries out above-mentioned comparison equally, then arranging charging current is 6A, 8A etc., if comparative result is all always, test is passed through, inconsistent then test crash, and sends alarm.
In embodiments of the present invention; charge relay is the crucial relay in system; Fig. 5 illustrates the circuit of traditional charge relay 102; the not protection to charge relay of traditional test platform; when host module detects that battery fills with, after transmitting order to lower levels disconnects charge relay, if it occur that the faults such as contact adhesion really do not disconnect; and host module does not do detection and thinks that relay is already off, will charge heavy losses such as causing over-charging of battery, damage, fire always.Relay control circuit contact position has been carried out state-signal collection by the test platform based on the present invention, forms closed loop, and this is one of advantages of the present invention.
In embodiments of the present invention, use band auxiliary contact Control charge and discharge loop, after the actuating of relay auxiliary contact also can action accordingly, test platform, by the on off state of software detection relay, just can accurately judge whether it breaks down.
The test platform that the embodiment of the present invention provides adopts relay to return inspection design, and reliability is high.As shown in Figure 6, the charge relay 102 in the integrated test electricity testing device of the cell management system of electric automobile that the embodiment of the present invention provides includes optocoupler D38, metal-oxide-semiconductor Q101, Zener diode D39, Zener diode D41, diode D105, diode D40, resistance R132, resistance R133, resistance R134, resistance R135, resistance R136, resistance R113, resistance R114, resistance R120, electric capacity C56 and electric capacity C65 to concrete structure；One end of resistance R133 is as EXT_P and RELAY1_P, the other end of resistance R133 is connected to first end of optocoupler D38, the other end of resistance R133 is connected to the drain electrode of metal-oxide-semiconductor Q101 also by the resistance R135 being sequentially connected in series and resistance R120, the end that is connected in series of resistance R135 and resistance R120 is connected to second end of optocoupler D38, one end of resistance R134 is as RELAY_FL1, electric capacity C65 ground connection is passed through in one end of resistance R134, the other end of resistance R134 is connected to the 3rd end of optocoupler D38, the other end of resistance R134 is also by resistance R136 ground connection, 4th end of optocoupler D38 connects power vd D by resistance R132；One end of resistance R113 is as RELAY1, and the other end of resistance R113 is connected to the grid of metal-oxide-semiconductor Q101, and one end of resistance R114 is connected to the grid of metal-oxide-semiconductor Q101, the other end ground connection of resistance R114, the gate-source ground connection of metal-oxide-semiconductor Q101；The negative electrode of diode D40 is connected to the drain electrode of metal-oxide-semiconductor Q101, and the anode of diode D40 is as RELAY1_N；The anode of Zener diode D39 is connected to RELAY1_P, and the negative electrode of Zener diode D39 is connected to the negative electrode of Zener diode D41, and the anode of Zener diode D41 is connected to the drain electrode of metal-oxide-semiconductor Q101, and the anode of Zener diode D41 is also by electric capacity C56 ground connection；The negative electrode of diode D105 is connected to the drain electrode of metal-oxide-semiconductor Q101, the plus earth of diode D105.
Wherein, D38 is optocoupler, plays buffer action；D39 and D41 plays the effect of voltage-stabilizing protection；RELAY1_N is relay test pin, and RELAY1 is Control pin.When relay closes, electric current flows into relay through RELAY1_P, flows out relay from RELAY1_N, returns to big ground through D40 and Q101.Therefore RELAY1_N is low level；When RELAY1 controls after relay disconnects, RELAY1_N is high level, and MCU is by detecting the height of RELAY1_N it may determine that relay status.
Advantages of the present invention: (1) this platform is before test by main frame, be attached from machine and high-pressure modular according to practical application scene, use real set of cells to test, use test platform central processing unit monitor in real time from the transmitting order to lower levels of machine, reported data and the main frame of high-pressure modular.Meanwhile, test platform has the collection sensor of a whole set of standard, and the tested result gathering sensor from collection result and the test platform of machine, high-pressure modular is contrasted, it is ensured that the acquisition precision of equipment under test.Whether the central processing unit of test platform according to the action gathering data prediction main frame, and can also detect main frame it is anticipated that be operating normally, thus the normal operation of the whole system ensured.Using actual battery group to carry out charge-discharge test, safety is good, and measuring accuracy is high, and test item covers comprehensively.Use can the relay of retaking of a year or grade state, it is to avoid because overcharging of causing of relay fault, crosses and puts the battery damage caused.Adjustable current charger is used to charge to set of cells, it is possible to control charging current according to practical situation.(2) the integrated test electricity testing device of the cell management system of electric automobile that the embodiment of the present invention provides is because have employed central processing unit control, therefore can be done directly from machine, high-pressure modular address configuration, battery pack information configures, reduce the workload of technical support personnel, avoid the problems such as on-the-spot human operational error simultaneously.Use the testing scheme that test platform and tested module compare after measuring simultaneously, including voltage gather with compare, electric current gather with compare, the collection of insulation resistance with compare, the collection of temperature with compare.Whether the action command of test platform monitoring host computer is correct, including using test platform to monitor CAN communication, automatically resolves bus data and instruction, the action of synchronously simulating main control module, and judges that whether the various functions of main control module is correct.
Those skilled in the art will readily understand; the foregoing is only presently preferred embodiments of the present invention; not in order to limit the present invention, all any amendment, equivalent replacement and improvement etc. made within the spirit and principles in the present invention, should be included within protection scope of the present invention.
Claims (7)
1. the integrated test electricity testing device of a cell management system of electric automobile, it is characterised in that include central processing unit, set of cells, charge relay and scalable charger；
First outfan controlling the main control module that end is connected in described battery management system of described charge relay, the input of described scalable charger is connected to the first outfan of described charge relay, the input of described set of cells is connected to the outfan of described scalable charger, the input of the first acquisition module that the first outfan of described set of cells is respectively connecting in described battery management system and the input of the second acquisition module；The input of the high-pressure modular that the second outfan of described set of cells is respectively connecting in described battery management system and described central processing unit；First outfan of described high-pressure modular is connected to the first input end of described main control module, second outfan of described high-pressure modular is connected to described central processing unit, and the outfan of described first acquisition module and the outfan of described second acquisition module are connected to the second input of described main control module；Described main control module is also connected with described central processing unit.
2. integrated test electricity testing device as claimed in claim 1, it is characterised in that described integrated test electricity testing device is connected by wire and cable connector with the described main control module in described battery management system, described acquisition module and described high-pressure modular.
3. collection data tested are reported described host module from machine by CAN by integrated test electricity testing device as claimed in claim 2, it is characterised in that during work, while also report described central processing unit in order to checking precision；Stagnation pressure, charging and discharging currents and insulation resistance data are reported described host module by CAN by described high-pressure modular, also report described central processing unit simultaneously；Data for collecting with described central processing unit contrast.
4. the integrated test electricity testing device as described in any one of claim 1-3, it is characterised in that described charge relay is double-contact relay, described double-contact relay is simultaneously by the control of described central processing unit and described main control module and detection.
5. integrated test electricity testing device as claimed in claim 4, it is characterized in that, described charge relay includes optocoupler D38, metal-oxide-semiconductor Q101, Zener diode D39, Zener diode D41, diode D105, diode D40, resistance R132, resistance R133, resistance R134, resistance R135, resistance R136, resistance R113, resistance R114, resistance R120, electric capacity C56 and electric capacity C65；
One end of described resistance R133 is as EXT_P and RELAY1_P, the other end of resistance R133 is connected to first end of optocoupler D38, the other end of resistance R133 is connected to the drain electrode of metal-oxide-semiconductor Q101 also by the resistance R135 being sequentially connected in series and resistance R120, the end that is connected in series of resistance R135 and resistance R120 is connected to second end of optocoupler D38, one end of resistance R134 is as RELAY_FL1, electric capacity C65 ground connection is passed through in one end of resistance R134, the other end of resistance R134 is connected to the 3rd end of optocoupler D38, the other end of resistance R134 is also by resistance R136 ground connection, 4th end of optocoupler D38 connects power vd D by resistance R132；One end of resistance R113 is as RELAY1, and the other end of resistance R113 is connected to the grid of metal-oxide-semiconductor Q101, and one end of resistance R114 is connected to the grid of metal-oxide-semiconductor Q101, the other end ground connection of resistance R114, the gate-source ground connection of metal-oxide-semiconductor Q101；The negative electrode of diode D40 is connected to the drain electrode of metal-oxide-semiconductor Q101, and the anode of diode D40 is as RELAY1_N；The anode of Zener diode D39 is connected to RELAY1_P, and the negative electrode of Zener diode D39 is connected to the negative electrode of Zener diode D41, and the anode of Zener diode D41 is connected to the drain electrode of metal-oxide-semiconductor Q101, and the anode of Zener diode D41 is also by electric capacity C56 ground connection；The negative electrode of diode D105 is connected to the drain electrode of metal-oxide-semiconductor Q101, the plus earth of diode D105.
6. the integrated test electricity testing device as described in any one of claim 1-5, it is characterised in that the voltage of described set of cells is concurrently accessed from machine module and described central processing unit.
7. the integrated test electricity testing device as described in any one of claim 1-5, it is characterised in that described scalable charger is for charging to described set of cells, and charging current when charging to described set of cells can be adjusted according to practical situation.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106443283A (en) * | 2016-11-21 | 2017-02-22 | 国网山东省电力公司电力科学研究院 | Testing platform and testing method for power management system of inspection robot of transformer substation |
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| CN203705572U (en) * | 2014-01-29 | 2014-07-09 | 陕西汽车集团有限责任公司 | Test system used for battery management system function test |
| CN104122884A (en) * | 2014-07-15 | 2014-10-29 | 虞永义 | Simulation test device of battery management system |
| CN104483645B (en) * | 2014-12-18 | 2018-01-30 | 重庆长安汽车股份有限公司 | A kind of detection device of battery management system |
| CN104908605A (en) * | 2015-06-15 | 2015-09-16 | 王凤成 | BMS (Battery Management System) decentralized detection and centralized management system of modularized lithium batteries |
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2016
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| WO2018072496A1 (en) * | 2016-10-17 | 2018-04-26 | 宁德时代新能源科技股份有限公司 | Test circuit |
| CN106443283A (en) * | 2016-11-21 | 2017-02-22 | 国网山东省电力公司电力科学研究院 | Testing platform and testing method for power management system of inspection robot of transformer substation |
| CN106597259A (en) * | 2016-12-28 | 2017-04-26 | 上海航天电源技术有限责任公司 | Energy storage cell system main control board test system |
| CN106886003B (en) * | 2017-01-19 | 2020-04-28 | 惠州市亿能电子有限公司 | Automatic testing system and method for battery monitoring module of electric vehicle |
| CN106886003A (en) * | 2017-01-19 | 2017-06-23 | 惠州市亿能电子有限公司 | Batteries of electric automobile monitoring module Auto-Test System and method |
| CN107037372A (en) * | 2017-04-27 | 2017-08-11 | 广东机电职业技术学院 | For battery pack and the trouble-shooter and diagnostic method of battery management system |
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| CN111257767A (en) * | 2020-02-21 | 2020-06-09 | 深圳普瑞赛思检测技术有限公司 | Battery integration detection system and method |
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| CN112440803B (en) * | 2020-11-10 | 2022-04-26 | 青岛鼎信通讯股份有限公司 | Redundancy monitoring method for series modules of medium-high voltage electric vehicle charging station |
| CN114062805A (en) * | 2021-11-03 | 2022-02-18 | 深圳市誉娇诚科技有限公司 | Detection circuit for alternating current charging control guide signal of electric automobile |
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