CN106950504A - A kind of battery failures detecting system of new-energy automobile charging pile - Google Patents
A kind of battery failures detecting system of new-energy automobile charging pile Download PDFInfo
- Publication number
- CN106950504A CN106950504A CN201710191828.3A CN201710191828A CN106950504A CN 106950504 A CN106950504 A CN 106950504A CN 201710191828 A CN201710191828 A CN 201710191828A CN 106950504 A CN106950504 A CN 106950504A
- Authority
- CN
- China
- Prior art keywords
- voltage
- battery
- module
- current
- battery pack
- 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
- 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
Abstract
The present invention discloses a kind of battery failures detecting system of new-energy automobile charging pile, including battery pack, voltage detection module, current detection module, temperature detecting module, comparison module, control module, executing agency and alarm module；The magnitude of voltage of voltage detection module detection and the current value of current detection module detection are sent to comparison module, comparison module is compared to the total voltage or electric current of reception with accumulative voltage or current value, and send result of the comparison to control module, the control module sends control instruction to executing agency and alarm module.The present invention is detected by the voltage of sensor total voltage respectively to battery pack and single battery, and then judge whether battery pack is normal, with it is simple in construction, accuracy is high the characteristics of, the temperature in battery is detected by temperature detecting module, too high trigger of temperature is avoided to explode, the service life of battery pack in charging pile is not only improved, and substantially reduces the infringement to personnel and equipment.
Description
Technical field
The invention belongs to cell art, it is related to a kind of battery failures detecting system of new-energy automobile charging pile.
Background technology
At present, in the period of energy worsening shortages, electric motor car is gradually developing as a kind of new energy vehicles, electricity
Electrical automobile is charged by charging pile, and the battery in charging pile is in series battery pack by multiple batteries, if therein one
The existing failure in individual single battery mountain, can all have influence on the use of whole charging pile battery, when situation is serious, there is also battery quick-fried
It is fried, the damage of personnel and vehicle is caused, therefore the state (voltage, electric current, temperature etc.) of every batteries needs battery manager
Monitoring prevents from exploding during cell malfunctions to ensure security that battery is used in real time.
Existing battery fault detection method is when battery manager detects the voltage of certain batteries or a few batteries
It is zero or during small value, then judges that battery breaks down or abnormal, the discharge loop of control battery disconnects, without battery pack, nothing
Method continues as electric automobile and charged.But it is due to the electricity when voltage sensor or current sensor break down or broken
It is zero or very little that pressure sensor or current sensor, which will detect the voltage/current of certain batteries or a few batteries, therefore existing
Some battery fault detection methods cannot be distinguished by voltage failure, current sensor faults and voltage sensor failure.
The content of the invention
It is an object of the invention to provide a kind of battery failures detecting system of new-energy automobile charging pile, charging is solved
The cell malfunctions of stake, the problem of causing cell damage and casualties.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of battery failures detecting system of new-energy automobile charging pile, including the voltage detecting mould being connected with battery pack
Block, current detection module and temperature detecting module, and the comparison being connected with the voltage detection module and current detection module
Module, and the control module being connected with the comparison module, and the executing agency being connected with the control module and alarm
Module；
The voltage detection module is used to detect the total voltage in charging pile battery pack and single battery voltage；
The current detection module is used to detect the total current and the electric current of single battery in charging pile battery pack；The temperature
Degree detection module is temperature sensor, for detecting the temperature in single battery；The comparison module is used for the total of battery pack
Voltage or electric current are compared with accumulative total voltage or electric current；The control module is used to send control instruction to executing agency
And alarm module；
The magnitude of voltage of voltage detection module detection and the current value of current detection module detection are sent to comparing mould
Block, the comparison module is compared to the total voltage or electric current of reception with accumulative voltage or current value, and by the knot compared
Fruit is sent to control module, and the control module sends control instruction to executing agency and alarm module, and the executing agency cuts
The charging and discharging circuit of disconnected charging pile, the alarm module sends warning reminding.
Further, the voltage detection module includes Hall voltage sensor and voltage sensor, the Hall voltage
Sensor is used for the global voltage for detecting battery pack, and the voltage sensor is used to carry out the voltage of single battery in battery pack
Detection.
Further, the current detection module includes Hall current sensor and current sensor, the Hall current
Sensor to the overall electric current in battery pack for detecting, the current sensor is used for single battery in battery pack
Electric current is detected.
Further, the comparison module includes accumulated unit and comparing unit, and the accumulated unit is used to add up single
The voltage or current information of battery；The comparing unit be used for by the total current or total voltage of the battery pack of detection with it is all single
The accumulative curtage of battery is compared.
Further, the Hall voltage sensor is connected to the total voltage of the two ends detection battery pack of battery pack, described
Voltage sensor is connected to the magnitude of voltage of the two ends detection single battery of single battery, and the Hall current sensor is connected to electricity
It is used for the total current for detecting battery pack on the two ends bus of pond group, the current sensor is connected to the two-termial line of single battery
On, the current value for detecting single battery.
Further, the accumulative magnitude of voltage of the accumulated unit is VIt is tiredThe total voltage V detected with Hall voltage sensorAlwaysEnter
Row compares, and works as VIt is tired=VAlwaysWhen, show that the battery pack of charging pile is normal；Work as VIt is tired＞ VAlwaysWhen, show that Hall voltage sensor is present different
Normal situation, battery pack is in normal condition；Work as VIt is tired＜ VAlwaysWhen, show that single battery has abnormal problem.
Further, the accumulative current value of the accumulated unit is AIt is tiredThe total current A detected with Hall current sensorAlwaysEnter
Row compares, and works as AIt is tired=AAlwaysWhen, show that the battery pack of charging pile is normal；Work as AIt is tired＞ AAlwaysWhen, show that Hall current sensor is present different
Normal situation, battery pack is in normal condition；Work as AIt is tired＜ AAlwaysWhen, show that single battery has abnormal problem.
Beneficial effects of the present invention：
The curtage value that the present invention is detected by accumulated unit to multiple voltage sensors or current sensor is carried out
It is accumulative, and the total current and total voltage of accumulative electric current, magnitude of voltage and Hall sensor detection are compared, and then judge
Whether battery pack is normal；The temperature in single battery is detected by temperature detecting module, it is to avoid the temperature mistake in battery
Height, warning reminding, and the discharge and recharge by executing agency to charging pile are carried out by alarm module to the unusual condition of battery pack
Loop is controlled, with it is simple in construction, accuracy is high the characteristics of, it is to avoid single battery breaks down in charging pile, causes whole
The service life reduction of individual battery pack, while reducing battery because temperature is too high, the explosion accident of initiation causes personnel and equipment
Damage.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, is used required for being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached
Figure.
Fig. 1 is a kind of battery failures detecting system schematic diagram of new-energy automobile charging pile of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is all other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Refer to shown in Fig. 1, the present invention is a kind of battery failures detecting system of new-energy automobile charging pile, the battery
Fault detection system includes voltage detection module 2, current detection module 3 and the temperature detecting module 4 being connected with battery pack 1, with
And the comparison module 5 being connected with voltage detection module 2 and current detection module 3, and the control module being connected with comparison module 5
6, and the executing agency 7 being connected with control module 6 and alarm module 8；
Voltage detection module 2 includes Hall voltage sensor 21 and voltage sensor 22, wherein Hall voltage sensor 21
Global voltage for detecting battery pack 1, voltage sensor 22 is used to detect the voltage of single battery in battery pack 1；
Current detection module 3 includes Hall current sensor 31 and current sensor 32, wherein Hall current sensor 31
For being detected to the overall electric current in battery pack 1, current sensor 32 is used to enter the electric current of single battery in battery pack 1
Row detection；
Temperature detecting module 4 is temperature sensor, for detecting the temperature in single battery；
Comparison module 5 includes accumulated unit 51 and comparing unit 52, and accumulated unit 51 is used for the voltage for adding up single battery
Or current information；Comparing unit 52 is used for add up the total current or total voltage of the battery pack 1 of detection and all single batteries
Curtage is compared；
Control module 6 is central processing unit, for sending control instruction to executing agency 7 and alarm module 8；
Executing agency 7 is used for the charge-discharge circuit for cutting off charging pile so that charging pile can not continue as electric automobile progress
Charging；
Alarm module 8 includes acoustic alarm and light alarm, and wherein acoustic alarm is buzzer, and light alarm is LED.
Hall voltage sensor 21 is connected to the total voltage of the two ends detection battery pack 1 of battery pack 1, each voltage sensor
Detect the magnitude of voltage of single battery in 22 two ends for being connected to single battery；Hall current sensor 31 is connected to the two of battery pack 1
It is used for the total current for detecting battery pack 1 on the bus of end, each current sensor 32 is connected on the two-termial line of single battery, used
In the current value of detection single battery.
The total voltage for the battery pack 1 that comparing unit 52 detects Hall voltage sensor 21 is examined with all voltage sensors 22
The magnitude of voltage of the single battery of survey accumulative and it is compared, and total electricity of battery pack 1 that Hall current sensor 31 is detected
The current value for the single battery that stream is detected with all current sensors 32 accumulative and it is compared, if the total voltage of detection is with tiring out
The magnitude of voltage of meter is unequal or detection total current and accumulative current value it is unequal, then illustrate that sensor or battery occur former
Barrier.
The accumulative magnitude of voltage of accumulated unit 51 is VIt is tiredThe total voltage V detected with Hall voltage sensor 21AlwaysIt is compared, wraps
Include situations below：
A1, work as VIt is tired=VAlwaysWhen, show voltage that total voltage and single battery that Hall voltage sensor 21 is detected add up and
It is equal, then illustrate that the battery pack 1 of charging pile is normal；
A2, work as VIt is tired＞ VAlwaysWhen, show that the total voltage that Hall voltage sensor 21 is detected is less than the voltage that single battery adds up
With then illustrate that Hall voltage sensor 21 has a unusual condition, battery pack 1 is in normal condition；
A3, work as VIt is tired＜ VAlwaysWhen, show that the total voltage that Hall voltage sensor 21 is detected is more than the voltage that single battery adds up
With then illustrate that single battery has abnormal problem.
The accumulative current value of accumulated unit 51 is AIt is tiredThe total current A detected with Hall current sensor 31AlwaysIt is compared, wraps
Include situations below：
B1, work as AIt is tired=AAlwaysWhen, show electric current that total current and single battery that Hall current sensor 31 is detected add up and
It is equal, then illustrate that the battery pack 1 of charging pile is normal；
B2, work as AIt is tired＞ AAlwaysWhen, show that the total current that Hall current sensor 31 is detected is less than the electric current that single battery adds up
With then illustrate that Hall current sensor 31 has a unusual condition, battery pack 1 is in normal condition；
B3, work as AIt is tired＜ AAlwaysWhen, show that the total current that Hall current sensor 31 is detected is more than the electric current that single battery adds up
With then illustrate that single battery has abnormal problem.
The total voltage or electricity for the battery pack 1 that comparing unit 52 detects the result that accumulated unit 51 adds up with Hall sensor
Stream is compared, and result of the comparison is sent to control module 6, and the result of 6 pairs of detections of control module is analyzed, judged,
And then it is inferred to whether battery pack 1 is normal, if abnormal, control module 6 sends control instruction to executing agency 7, executing agency 7
The charging and discharging circuit of charging pile is cut off, meanwhile, control module 6 sends alarm signal to alarm module 8, and alarm module 8 sends report
It is alert to remind.
In the process, the temperature sensor in temperature detecting module 4 detects the temperature information in single battery in real time, if
When the temperature of detection exceedes the parameter of setting, control module 6 sends control instruction to executing agency 7, the cut-out charging of executing agency 7
The charging and discharging circuit of stake, meanwhile, control module 6 sends alarm signal to alarm module 8, and alarm module 8 sends warning reminding.
The curtage value that the present invention is detected by accumulated unit to multiple voltage sensors or current sensor is carried out
It is accumulative, and the total current and total voltage of accumulative electric current, magnitude of voltage and Hall sensor detection are compared, and then judge
Whether battery pack is normal；The temperature in single battery is detected by temperature detecting module, it is to avoid the temperature mistake in battery
Height, warning reminding, and the discharge and recharge by executing agency to charging pile are carried out by alarm module to the unusual condition of battery pack
Loop is controlled, with it is simple in construction, accuracy is high the characteristics of, it is to avoid single battery breaks down in charging pile, causes whole
The service life reduction of individual battery pack, while reducing battery because temperature is too high, the explosion accident of initiation causes personnel and equipment
Damage.
Above content is only the design example and explanation to the present invention, affiliated those skilled in the art
Various modifications or supplement are made to described specific embodiment or is substituted using similar mode, without departing from invention
Design or surmount scope defined in the claims, protection scope of the present invention all should be belonged to.
Claims (7)
1. a kind of battery failures detecting system of new-energy automobile charging pile, it is characterised in that：Including what is be connected with battery pack (1)
Voltage detection module (2), current detection module (3) and temperature detecting module (4), and with the voltage detection module (2) and
The comparison module (5) of current detection module (3) connection, and the control module (6) being connected with the comparison module (5), and
The executing agency (7) being connected with the control module (6) and alarm module (8)；
The voltage detection module (2) is used to examine the total voltage and single battery voltage in charging pile battery pack (1)
Survey；The current detection module (3) is used to examine the total current and the electric current of single battery in charging pile battery pack (1)
Survey；The temperature detecting module (4) is temperature sensor, for detecting the temperature in single battery；The comparison module (5) is used
It is compared in by the total voltage or electric current of battery pack (1) with accumulative total voltage or electric current；The control module (6) is used to send out
Control instruction is sent to executing agency (7) and alarm module (8)；
The magnitude of voltage of the voltage detection module (2) detection and the current value of current detection module (3) detection are sent to comparing
Module (5), the comparison module (5) is compared to the total voltage or electric current of reception with accumulative voltage or current value, and will
Result of the comparison is sent to control module (6), and the control module (6) sends control instruction to executing agency (7) and alarm mould
Block (8), the executing agency (7) cuts off the charging and discharging circuit of charging pile, and the alarm module (8) sends warning reminding.
2. a kind of battery failures detecting system of new-energy automobile charging pile according to claim 1, it is characterised in that：Institute
Stating voltage detection module (2) includes Hall voltage sensor (21) and voltage sensor (22), the Hall voltage sensor
(21) it is used for the global voltage for detecting battery pack (1), the voltage sensor (22) is used for single battery in battery pack (1)
Voltage is detected.
3. a kind of battery failures detecting system of new-energy automobile charging pile according to claim 1, it is characterised in that：Institute
Stating current detection module (3) includes Hall current sensor (31) and current sensor (32), the Hall current sensor
(31) it is used to detect the overall electric current in battery pack (1), the current sensor (32) is used for single in battery pack (1)
The electric current of individual battery is detected.
4. a kind of battery failures detecting system of new-energy automobile charging pile according to claim 1, it is characterised in that：Institute
Stating comparison module (5) includes accumulated unit (51) and comparing unit (52), and the accumulated unit (51) is used to add up single battery
Voltage or current information；The comparing unit (52) is used for the total current or total voltage of the battery pack (1) of detection with owning
The accumulative curtage of single battery is compared.
5. a kind of battery failures detecting system of new-energy automobile charging pile according to claim 2, it is characterised in that：Institute
State the total voltage that Hall voltage sensor (21) is connected to the two ends detection battery pack (1) of battery pack (1), the voltage sensor
(22) magnitude of voltage of single battery is detected at the two ends for being connected to single battery, and the Hall current sensor (31) is connected to battery
It is used for the total current for detecting battery pack (1) on the two ends bus of group (1), the current sensor (32) is connected to single battery
On two-termial line, the current value for detecting single battery.
6. a kind of battery failures detecting system of new-energy automobile charging pile according to claim 4, it is characterised in that：Institute
It is V to state the accumulative magnitude of voltage of accumulated unit (51)It is tiredThe total voltage V detected with Hall voltage sensor (21)AlwaysIt is compared, works as VIt is tired
=VAlwaysWhen, show that the battery pack (1) of charging pile is normal；Work as VIt is tired＞ VAlwaysWhen, show that Hall voltage sensor (21) has abnormal shape
Condition, battery pack (1) is in normal condition；Work as VIt is tired＜ VAlwaysWhen, show that single battery has abnormal problem.
7. a kind of battery failures detecting system of new-energy automobile charging pile according to claim 4, it is characterised in that：Institute
It is A to state the accumulative current value of accumulated unit (51)It is tiredThe total current A detected with Hall current sensor (31)AlwaysIt is compared, works as AIt is tired
=AAlwaysWhen, show that the battery pack (1) of charging pile is normal；Work as AIt is tired＞ AAlwaysWhen, show that Hall current sensor (31) has abnormal shape
Condition, battery pack (1) is in normal condition；Work as AIt is tired＜ AAlwaysWhen, show that single battery has abnormal problem.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710191828.3A CN106950504A (en) | 2017-03-28 | 2017-03-28 | A kind of battery failures detecting system of new-energy automobile charging pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710191828.3A CN106950504A (en) | 2017-03-28 | 2017-03-28 | A kind of battery failures detecting system of new-energy automobile charging pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106950504A true CN106950504A (en) | 2017-07-14 |
Family
ID=59473977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710191828.3A Pending CN106950504A (en) | 2017-03-28 | 2017-03-28 | A kind of battery failures detecting system of new-energy automobile charging pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106950504A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109017372A (en) * | 2018-07-26 | 2018-12-18 | 浙江慧众智能装备科技有限公司 | A kind of fault detection system based on power battery management system |
| CN109581121A (en) * | 2018-12-20 | 2019-04-05 | 国网北京市电力公司 | Detection device and method, system |
| CN110927507A (en) * | 2019-12-30 | 2020-03-27 | 重庆国翰能源发展有限公司 | Safety detection device for four-pile charging pile |
| CN111060737A (en) * | 2019-12-30 | 2020-04-24 | 重庆国翰能源发展有限公司 | Monitoring system of four-pile charging pile system |
| CN114184867A (en) * | 2021-12-10 | 2022-03-15 | 清湖光旭数据科技(北京)有限公司 | Charging facility fault detection method and system based on deep learning |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101312293A (en) * | 2007-05-22 | 2008-11-26 | 深圳市金一泰实业有限公司 | Power lithium battery intelligent management system |
| CN101930057A (en) * | 2010-06-13 | 2010-12-29 | 深圳市睿德电子实业有限公司 | Method and system for detecting faults of power batteries |
| CN102033205A (en) * | 2009-09-30 | 2011-04-27 | 比亚迪股份有限公司 | System and method for detecting fault of power battery of vehicle |
| CN202455122U (en) * | 2012-03-06 | 2012-09-26 | 北京联动天翼科技有限公司 | Device for intelligently managing charge-discharge of battery group in parallel |
| CN104635167A (en) * | 2015-02-12 | 2015-05-20 | 国家电网公司 | Online monitoring system and online monitoring method for substation storage batteries |
| CN105068014A (en) * | 2015-08-28 | 2015-11-18 | 江苏大学 | Parallel single cell performance monitoring system and monitoring method |
-
2017
- 2017-03-28 CN CN201710191828.3A patent/CN106950504A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101312293A (en) * | 2007-05-22 | 2008-11-26 | 深圳市金一泰实业有限公司 | Power lithium battery intelligent management system |
| CN102033205A (en) * | 2009-09-30 | 2011-04-27 | 比亚迪股份有限公司 | System and method for detecting fault of power battery of vehicle |
| CN101930057A (en) * | 2010-06-13 | 2010-12-29 | 深圳市睿德电子实业有限公司 | Method and system for detecting faults of power batteries |
| CN202455122U (en) * | 2012-03-06 | 2012-09-26 | 北京联动天翼科技有限公司 | Device for intelligently managing charge-discharge of battery group in parallel |
| CN104635167A (en) * | 2015-02-12 | 2015-05-20 | 国家电网公司 | Online monitoring system and online monitoring method for substation storage batteries |
| CN105068014A (en) * | 2015-08-28 | 2015-11-18 | 江苏大学 | Parallel single cell performance monitoring system and monitoring method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109017372A (en) * | 2018-07-26 | 2018-12-18 | 浙江慧众智能装备科技有限公司 | A kind of fault detection system based on power battery management system |
| CN109581121A (en) * | 2018-12-20 | 2019-04-05 | 国网北京市电力公司 | Detection device and method, system |
| CN110927507A (en) * | 2019-12-30 | 2020-03-27 | 重庆国翰能源发展有限公司 | Safety detection device for four-pile charging pile |
| CN111060737A (en) * | 2019-12-30 | 2020-04-24 | 重庆国翰能源发展有限公司 | Monitoring system of four-pile charging pile system |
| CN114184867A (en) * | 2021-12-10 | 2022-03-15 | 清湖光旭数据科技(北京)有限公司 | Charging facility fault detection method and system based on deep learning |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106950504A (en) | A kind of battery failures detecting system of new-energy automobile charging pile | |
| CN105904992B (en) | A kind of the battery cell monitoring management system and its monitoring method of electric vehicle | |
| CN102565611B (en) | Internal short-circuit detection method of power battery | |
| CN110515005A (en) | A kind of spontaneous combustion early warning system for the electric car in charging pile monitoring charging | |
| KR101473397B1 (en) | Apparatus and method for checking current sensor abnormality in battery pack | |
| CN107256987B (en) | A kind of power battery micro-short circuit detection method | |
| CN108711893A (en) | A kind of power battery thermal runaway early warning system and method | |
| CN202651843U (en) | Battery monitoring device, battery system and electric equipment | |
| CN110239348A (en) | A kind of electric automobile power battery safety detecting system and method | |
| CN110370984A (en) | Power battery thermal runaway method for early warning | |
| CN102033205A (en) | System and method for detecting fault of power battery of vehicle | |
| CN207020287U (en) | A kind of battery failures monitor acquisition module | |
| CN109659990A (en) | Electric vehicle lithium battery security monitoring management system | |
| CN209675954U (en) | A kind of lithium battery management system for tour bus | |
| CN109094374A (en) | The fault detection method of accumulator of electric car | |
| CN207488463U (en) | A kind of battery system off-line detection system | |
| CN104786846A (en) | Electrical safety protection method, module and system for electric automobile | |
| CN103311965A (en) | Intelligent management device and method of charging and discharging of parallel-connected battery group | |
| CN202455122U (en) | Device for intelligently managing charge-discharge of battery group in parallel | |
| CN102355026A (en) | Backup energy-storage power supply managing system of coal mine electronic device | |
| CN106291384A (en) | A kind of battery detection method, system and device for testing functions | |
| CN209280857U (en) | Diagnostic circuit, the Insulation Inspection System of Insulation Inspection System | |
| CN105620304A (en) | Battery pack thermal buckling monitoring device and electric vehicle | |
| CN113625692B (en) | Electric automobile battery security inspection system based on fault injection | |
| CN107672462A (en) | A kind of electric automobile safe charging monitoring method, monitoring system and charging pile |
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: 20170714 |
|
| RJ01 | Rejection of invention patent application after publication |