CN106680723B - The method and apparatus for monitoring battery group operating status - Google Patents
The method and apparatus for monitoring battery group operating status Download PDFInfo
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- CN106680723B CN106680723B CN201611131833.7A CN201611131833A CN106680723B CN 106680723 B CN106680723 B CN 106680723B CN 201611131833 A CN201611131833 A CN 201611131833A CN 106680723 B CN106680723 B CN 106680723B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 36
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- 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
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Abstract
The invention discloses a kind of method and apparatus for monitoring battery group operating status.Wherein, this method comprises: obtaining the switch state of each measured switch in the direct current system of acquisition；Obtain the voltage difference of the battery group and DC bus in direct current system；Obtain the floating charging flow valuve of battery group；Obtain the cell voltage value of each single battery in battery group；Direct current system is judged with the presence or absence of failure according to the cell voltage value of the switch state of each measured switch, voltage difference, floating charging flow valuve and each single battery and there are failure alarms.The present invention solves the technical issues of various operating statuses that can not effectively monitor battery group.
Description
Technical field
The present invention relates to monitoring fields, in particular to a kind of method and apparatus for monitoring battery group operating status.
Background technique
Core of the storage batteries of transformer substation group as direct current system not only has and provides the effect of instantaneous large-current, most
It is important that as direct current system backup power supply.Storage batteries of transformer substation group and charging unit collectively form DC power supply, normal work
Making charging unit under state is DC load power supply, and carries out floating charging to battery group, if exchange power loss, battery group will
It is direct current system power supply as power supply, guarantees substation operation safety.If battery group cannot be timely after exchange power loss
Power supply, it will cause entire direct current system power loss or even whole transformer station power loss, cause huge loss.
Battery group monitoring running state is a problem, if battery is detached from DC bus, even if electric power storage at this time
Pond itself is functional can not also to power to direct current system, lead to direct current system power loss, therefore how to monitor the fortune of battery group
Row state, whether moment concern battery group connects is necessary on DC bus.
The technical issues of for the various operating statuses that can not effectively monitor battery group, not yet proposes effective at present
Solution.
Summary of the invention
The embodiment of the invention provides a kind of method and apparatus for monitoring battery group operating status, at least solve can not
The technical issues of effectively monitoring the various operating statuses of battery group.
According to an aspect of an embodiment of the present invention, a kind of method for monitoring battery group operating status is provided, comprising:
Obtain the switch state of each measured switch in the direct current system of acquisition；Obtain the battery group and DC bus in direct current system
Voltage difference；Obtain the floating charging flow valuve of battery group；Obtain the cell voltage value of each single battery in battery group；According to
The switch state of each measured switch, voltage difference, floating charging flow valuve and each single battery cell voltage value judge direct current system
System is with the presence or absence of failure and there are failure alarms.
Further, according to the switch state of each measured switch, voltage difference, floating charging flow valuve and each single battery
Cell voltage value judges that direct current system whether there is failure and include: to judge that battery group and direct current are female there are failure alarm
Whether the switch between line disconnects；If it is judged that the switch between battery group and DC bus disconnects, then electric power storage is judged
Chi Zuyu DC bus is detached from；The first warning message is sent to mobile terminal, wherein the first warning message is for prompting direct current system
Battery group and DC bus in system are detached from.
Further, according to the switch state of each measured switch, voltage difference, floating charging flow valuve and each single battery
Cell voltage value judges that direct current system whether there is failure and include: the electric power storage obtained in direct current system there are failure alarm
The Historical Monitoring of the voltage difference of Chi Zuyu DC bus records；It is recorded according to Historical Monitoring and determines predetermined voltage threshold；Judgement electricity
Whether pressure difference is more than predetermined voltage threshold；If it is judged that voltage difference be more than predetermined voltage threshold, then judge battery group with
DC bus is detached from；The first warning message is sent to mobile terminal, wherein the first warning message is for prompting in direct current system
Battery group and DC bus are detached from.
Further, according to the switch state of each measured switch, voltage difference, floating charging flow valuve and each single battery
Cell voltage value judges that direct current system whether there is failure and include: to judge floating charging flow valuve just there are failure alarm
It is negative；Whether opened a way according to the positive negative judgement battery of floating charging flow valuve；If it is judged that battery pack open circuit, then send out to mobile terminal
Send the second warning message, wherein the second warning message is for prompting battery group to open a way.
Further, according to the switch state of each measured switch, voltage difference, floating charging flow valuve and each single battery
Cell voltage value judges that direct current system whether there is failure and include: to judge each single battery respectively there are failure alarm
Cell voltage value whether be more than monomer voltage threshold value；If it is judged that there are cell voltage values more than monomer electricity in battery group
The single battery for pressing threshold value then judges that battery group is opened a way；If it is judged that battery pack open circuit, then the is sent to mobile terminal
Two warning messages, wherein the second warning message is for prompting battery group to open a way.
According to another aspect of an embodiment of the present invention, a kind of device for monitoring battery group operating status, packet are additionally provided
It includes: first acquisition unit, for obtaining the switch state of each measured switch in the direct current system acquired；Second acquisition unit,
For obtaining the voltage difference of battery group and DC bus in direct current system；Third acquiring unit, for obtaining battery group
Floating charging flow valuve；4th acquiring unit, for obtaining the cell voltage value of each single battery in battery group；Execute list
Member, for the cell voltage value according to the switch state of each measured switch, voltage difference, floating charging flow valuve and each single battery
Direct current system is judged with the presence or absence of failure and there are failure alarms.
Further, execution unit includes: first judgment module, for judging opening between battery group and DC bus
It closes and whether disconnects；First logic module, for judging after judging that the switch between battery group and DC bus disconnects
Battery group and DC bus are detached from out；First sending module, for sending the first warning message to mobile terminal, wherein the
The battery group and DC bus that one warning message is used to prompt in direct current system are detached from.
Further, execution unit includes: acquisition module, for obtaining battery group and DC bus in direct current system
Voltage difference Historical Monitoring record；Determining module determines predetermined voltage threshold for recording according to Historical Monitoring；Second judgement
Module, for judging whether voltage difference is more than predetermined voltage threshold；Second logic module, for judging that voltage difference is more than pre-
If after voltage threshold, judging that battery group and DC bus are detached from；Second sending module, for sending the to mobile terminal
One warning message, wherein the battery group and DC bus that the first warning message is used to prompt in direct current system are detached from.
Further, execution unit includes: third judgment module, for judging the positive and negative of floating charging flow valuve；4th judgement
Module, for whether being opened a way according to the positive negative judgement battery of floating charging flow valuve；Third sending module, for judging electric power storage
After the open circuit of pond, the second warning message is sent to mobile terminal, wherein the second warning message is for prompting battery group to open a way.
Further, execution unit includes: the 5th judgment module, for judging the monomer voltage of each single battery respectively
Whether value is more than monomer voltage threshold value；Third logic module is more than for there are cell voltage values in judging battery group
After the single battery of monomer voltage threshold value, judge that battery group is opened a way；4th sending module, for judging battery
After open circuit, the second warning message is sent to mobile terminal, wherein the second warning message is for prompting battery group to open a way.
In embodiments of the present invention, pass through the switch state of each measured switch in the direct current system of acquisition acquisition；It obtains
The voltage difference of battery group and DC bus in direct current system；Obtain the floating charging flow valuve of battery group；Obtain battery group
In each single battery cell voltage value；According to the switch state of each measured switch, voltage difference, floating charging flow valuve and each
The cell voltage value of single battery judges direct current system with the presence or absence of failure and can not be effective solving there are failure alarm
Ground monitors the technical issues of various operating statuses of battery group, and then realizes the various operations for effectively monitoring battery group
The technical effect of state.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of flow chart of the method for optional monitoring battery group operating status according to an embodiment of the present invention；
Fig. 2 is a kind of schematic diagram of the device of optional monitoring battery group operating status according to an embodiment of the present invention.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to
Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product
Or other step or units that equipment is intrinsic.
According to the embodiment of the present application, a kind of embodiment of method for monitoring battery group operating status is provided.
Fig. 1 is a kind of flow chart of the method for optional monitoring battery group operating status according to an embodiment of the present invention,
As shown in Figure 1, this method comprises the following steps:
Step S101 obtains the switch state of each measured switch in the direct current system of acquisition；
Step S102 obtains the voltage difference of the battery group and DC bus in direct current system；
Step S103 obtains the floating charging flow valuve of battery group；
Step S104 obtains the cell voltage value of each single battery in battery group；
Step S105, according to the switch state of each measured switch, voltage difference, floating charging flow valuve and each single battery
Cell voltage value judges direct current system with the presence or absence of failure and there are failure alarms.
Above-mentioned steps are further explained below and are described as follows:
It include multiple switch in direct current system, for example, between the chopper switch of battery group, battery group and DC bus
The interconnection switch etc. fed out between switch, two sections of adjacent DC bus.It obtains each to be measured in the direct current system of acquisition
The switch state of switch, the case where may determine that in direct current system according to switch state with the presence or absence of disconnecting.
Battery group and the voltage difference of DC bus can be by monitoring the voltage and DC bus of battery group respectively
Voltage simultaneously asks difference to obtain, and the voltage difference between battery group and DC bus can then determine electric power storage if it exceeds preset threshold
Pond group is detached from DC bus.
Floating charging flow valuve is current value of the battery group under floating charge state, and floating charging flow valuve is if it is positive value, it may be said that
It is normally connected between bright battery group and DC bus, value or zero if floating charging flow valuve is negative, may be battery
Group is disconnected with DC bus.
Battery group includes multiple single batteries, and each single battery has respective monomer voltage, obtains each monomer
The cell voltage value of battery judges whether each cell voltage value is more than predetermined voltage threshold, if there is any one or it is more
A cell voltage value is more than predetermined voltage threshold, then illustrates that battery group is opened a way.
By above-mentioned many kinds of parameters, switch state, voltage difference, floating charging flow valuve including each measured switch and each
The cell voltage value of single battery can integrate and judge direct current system with the presence or absence of failure.It specifically, can be according to default
Rule judged, if only rely on some amount carry out judgement may result in error in judgement, if pass through two or more
A amount is judged, then can increase the accuracy of fault diagnosis.
The switch state of each measured switch in direct current system of the embodiment by obtaining acquisition；It obtains in direct current system
Battery group and DC bus voltage difference；Obtain the floating charging flow valuve of battery group；Obtain each monomer in battery group
The cell voltage value of battery；According to the switch state of each measured switch, voltage difference, floating charging flow valuve and each single battery
Cell voltage value judges direct current system with the presence or absence of failure and there are failure alarm, and electric power storage can not effectively be monitored by solving
The technical issues of various operating statuses of pond group, and then realize the technology for effectively monitoring the various operating statuses of battery group
Effect
Preferably, according to the switch state of each measured switch, the list of voltage difference, floating charging flow valuve and each single battery
Bulk voltage value judges that direct current system whether there is failure and include: to judge battery group and DC bus there are failure alarm
Between switch whether disconnect；If it is judged that the switch between battery group and DC bus disconnects, then battery is judged
Group is detached from DC bus；The first warning message is sent to mobile terminal, wherein the first warning message is for prompting direct current system
In battery group and DC bus be detached from.
Preferably, according to the switch state of each measured switch, the list of voltage difference, floating charging flow valuve and each single battery
Bulk voltage value judges that direct current system whether there is failure and include: the battery obtained in direct current system there are failure alarm
The Historical Monitoring of group and the voltage difference of DC bus records；It is recorded according to Historical Monitoring and determines predetermined voltage threshold；Judge voltage
Whether difference is more than predetermined voltage threshold；If it is judged that voltage difference is more than predetermined voltage threshold, then battery group and straight is judged
Bus is flowed to be detached from；The first warning message is sent to mobile terminal, wherein the first warning message is used to prompt the storage in direct current system
Battery pack and DC bus are detached from.
Preferably, according to the switch state of each measured switch, the list of voltage difference, floating charging flow valuve and each single battery
Bulk voltage value judges direct current system with the presence or absence of failure and is including: judge floating charging flow valuve positive and negative there are failure alarm；
Whether opened a way according to the positive negative judgement battery of floating charging flow valuve；If it is judged that battery pack open circuit, then send to mobile terminal
Second warning message, wherein the second warning message is for prompting battery group to open a way.
Preferably, according to the switch state of each measured switch, the list of voltage difference, floating charging flow valuve and each single battery
Bulk voltage value judges that direct current system whether there is failure and include: to judge each single battery respectively there are failure alarm
Whether cell voltage value is more than monomer voltage threshold value；If it is judged that there are cell voltage values more than monomer voltage in battery group
The single battery of threshold value then judges that battery group is opened a way；If it is judged that battery pack open circuit, then send second to mobile terminal
Warning message, wherein the second warning message is for prompting battery group to open a way.
It, can be by acquisition direct current system disconnecting link position (by patrolling as a kind of preferred embodiment of above-described embodiment
Volume with or come judging) and battery group and DC bus-bar voltage pressure difference reach to whether battery group is made because of disconnecting link abnormal state
At the real-time monitoring for being detached from DC bus；By installing high-precision current sensor additional, (requirement of open type, precision parameter is
The floating current of battery group and the real-time monitoring to single battery Over High-Limit Voltage 3mA) are accurately monitored, is realized to battery
The internal real-time monitoring whether opened a way of group.It is final to realize comprehensive real-time prison that bus is detached to battery group by the above means
It surveys, may further judge that the reason of battery is detached from bus is battery group disconnecting link (feeding out total lock) disconnection or battery group
Inside open circuit.
Specifically, the location status that direct current system respectively switchs can be acquired by switch state acquisition device, and
Logic judgment is carried out to switch state, by judging whether battery group and the important position of the switch of DC bus are abnormal, as storage
Battery disconnecting link leads to the Rule of judgment 1 for being detached from DC bus extremely；Acquire the group of battery in real time by voltage acquisition sensor
Pressure and d-c bus voltage value are led by judging the pressure difference of battery group and DC bus-bar voltage as battery disconnecting link extremely
Cause the Rule of judgment 2 for being detached from DC bus；Then cause to be detached from DC bus Rule of judgment 1 and sentence extremely by battery disconnecting link
2 comprehensive descision battery group of broken strip part whether due to disconnecting link extremely cause be detached from DC bus.
Further, it is also possible to carry out essence to the floating current of battery group by designing a kind of high-precision current sensor
Really measurement is changed by the positive negative zero of high precision electric current transducer precise measurement battery current, as judging battery pack open circuit
Rule of judgment 1；Acquire single battery voltage in real time by voltage sensor, by judging that monomer voltage gets over upper limit exception,
Rule of judgment 2 as battery pack open circuit；By battery pack open circuit Rule of judgment 1 and 2 comprehensive descision battery group of condition whether
Open circuit.
Finally, can cause to be detached from DC bus Rule of judgment and the open circuit judgement of battery group extremely by battery disconnecting link
Whether condition, comprehensive descision battery are detached from DC bus, and navigate to the immediate cause for being detached from DC bus.
It should be noted that step shown in the flowchart of the accompanying drawings can execute in the terminal, although also, in process
Logical order is shown in figure, but in some cases, it can be to be different from shown or described by sequence execution herein
Step.
According to the embodiment of the present application, a kind of embodiment of device for monitoring battery group operating status is provided.
Fig. 2 is a kind of schematic diagram of the device of optional monitoring battery group operating status according to an embodiment of the present invention,
As shown in Fig. 2, the device includes first acquisition unit 10, second acquisition unit 20, third acquiring unit 30, the 4th acquiring unit
40 and execution unit 50.
First acquisition unit is used to obtain the switch state of each measured switch in the direct current system of acquisition；Second obtains list
Member is for obtaining the voltage difference of battery group and DC bus in direct current system；Third acquiring unit is for obtaining battery group
Floating charging flow valuve；4th acquiring unit is used to obtain the cell voltage value of each single battery in battery group；Execution unit
For being sentenced according to the cell voltage value of the switch state of each measured switch, voltage difference, floating charging flow valuve and each single battery
Disconnected direct current system is with the presence or absence of failure and there are failure alarms.
Preferably, execution unit includes: first judgment module, for judging the switch between battery group and DC bus
Whether disconnect；First logic module, for judging after judging that the switch between battery group and DC bus disconnects
Battery group and DC bus are detached from；First sending module, for sending the first warning message to mobile terminal, wherein first
The battery group and DC bus that warning message is used to prompt in direct current system are detached from.
Preferably, execution unit includes: acquisition module, for obtaining battery group in direct current system and DC bus
The Historical Monitoring of voltage difference records；Determining module determines predetermined voltage threshold for recording according to Historical Monitoring；Second judges mould
Block, for judging whether voltage difference is more than predetermined voltage threshold；Second logic module, for judging that voltage difference is more than default
After voltage threshold, judge that battery group and DC bus are detached from；Second sending module, for sending first to mobile terminal
Warning message, wherein the battery group and DC bus that the first warning message is used to prompt in direct current system are detached from.
Preferably, execution unit includes: third judgment module, for judging the positive and negative of floating charging flow valuve；4th judges mould
Block, for whether being opened a way according to the positive negative judgement battery of floating charging flow valuve；Third sending module, for judging battery
After open circuit, the second warning message is sent to mobile terminal, wherein the second warning message is for prompting battery group to open a way.
Preferably, execution unit includes: the 5th judgment module, for judging the cell voltage value of each single battery respectively
It whether is more than monomer voltage threshold value；Third logic module, for there are cell voltage values more than single in judging battery group
After the single battery of bulk voltage threshold value, judge that battery group is opened a way；4th sending module, for judging that battery opens
After road, the second warning message is sent to mobile terminal, wherein the second warning message is for prompting battery group to open a way.
Above-mentioned device may include processor and memory, and said units can be used as program unit and be stored in storage
In device, above procedure unit stored in memory is executed by processor to realize corresponding function.
Memory may include the non-volatile memory in computer-readable medium, random access memory (RAM) and/
Or the forms such as Nonvolatile memory, if read-only memory (ROM) or flash memory (flash RAM), memory include that at least one is deposited
Store up chip.
The sequence of above-mentioned the embodiment of the present application is for illustration only, does not represent the advantages or disadvantages of the embodiments.
In above-described embodiment of the application, all emphasizes particularly on different fields to the description of each embodiment, do not have in some embodiment
The part of detailed description, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, Ke Yiwei
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of unit or module
It connects, can be electrical or other forms.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, the technical solution of the application is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can for personal computer, server or network equipment etc.) execute each embodiment the method for the application whole or
Part steps.And storage medium above-mentioned includes: that USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic or disk etc. be various to can store program code
Medium.
The above is only the preferred embodiment of the application, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as the protection scope of the application.
Claims (8)
1. a kind of method for monitoring battery group operating status characterized by comprising
Obtain the switch state of each measured switch in the direct current system of acquisition；
Obtain the voltage difference of the battery group and DC bus in the direct current system；
Obtain the floating charging flow valuve of the battery group；
Obtain the cell voltage value of each single battery in the battery group；
According to the switch state of each measured switch, the voltage difference, the floating charging flow valuve and each monomer electricity
The cell voltage value in pond judges the direct current system with the presence or absence of failure and there are failure alarms；
Wherein, according to the switch state of each measured switch, the voltage difference, the floating charging flow valuve and each list
The cell voltage value of body battery judges that the direct current system whether there is failure and include: described in judgement there are failure alarm
Whether the switch between battery group and the DC bus disconnects；If it is judged that the battery group and the DC bus
Between switch disconnect, then judge that the battery group and the DC bus are detached from；The first alarm is sent to mobile terminal
Information, wherein first warning message is used to prompt the battery group and the DC bus in the direct current system
It is detached from.
2. the method according to claim 1, wherein according to the switch state of each measured switch, described
The cell voltage value of voltage difference, the floating charging flow valuve and each single battery judges the direct current system with the presence or absence of event
Hinder and includes: there are failure alarms
Obtain the Historical Monitoring record of the voltage difference of the battery group and DC bus in the direct current system；
It is recorded according to the Historical Monitoring and determines predetermined voltage threshold；
Judge whether the voltage difference is more than the predetermined voltage threshold；
If it is judged that the voltage difference is more than the predetermined voltage threshold, then judge that the battery group and the direct current are female
Line is detached from；
The first warning message is sent to mobile terminal, wherein first warning message is for prompting in the direct current system
The battery group and the DC bus are detached from.
3. the method according to claim 1, wherein according to the switch state of each measured switch, described
The cell voltage value of voltage difference, the floating charging flow valuve and each single battery judges the direct current system with the presence or absence of event
Hinder and includes: there are failure alarms
Judge the positive and negative of the floating charging flow valuve；
Whether opened a way according to battery described in the positive negative judgement of the floating charging flow valuve；
If it is judged that the battery pack open circuit, then send the second warning message to mobile terminal, wherein second alarm signal
Breath is for prompting the battery group to open a way.
4. the method according to claim 1, wherein according to the switch state of each measured switch, described
The cell voltage value of voltage difference, the floating charging flow valuve and each single battery judges the direct current system with the presence or absence of event
Hinder and includes: there are failure alarms
Whether the cell voltage value for judging each single battery respectively is more than monomer voltage threshold value；
If it is judged that then sentencing in the battery group there are the single battery that cell voltage value is more than the monomer voltage threshold value
The disconnected battery group open circuit described out；
If it is judged that the battery pack open circuit, then send the second warning message to mobile terminal, wherein second alarm signal
Breath is for prompting the battery group to open a way.
5. a kind of device for monitoring battery group operating status characterized by comprising
First acquisition unit, for obtaining the switch state of each measured switch in the direct current system acquired；
Second acquisition unit, for obtaining the voltage difference of battery group and DC bus in the direct current system；
Third acquiring unit, for obtaining the floating charging flow valuve of the battery group；
4th acquiring unit, for obtaining the cell voltage value of each single battery in the battery group；
Execution unit, for according to the switch state of each measured switch, the voltage difference, the floating charging flow valuve and institute
The cell voltage value for stating each single battery judges the direct current system with the presence or absence of failure and there are failure alarms；
Wherein, the execution unit includes: first judgment module, for judging between the battery group and the DC bus
Switch whether disconnect；First logic module, for judging the switch between the battery group and the DC bus
After disconnection, judge that the battery group and the DC bus are detached from；First sending module, for being sent to mobile terminal
First warning message, wherein first warning message be used to prompting the battery group in the direct current system with it is described
DC bus is detached from.
6. device according to claim 5, which is characterized in that the execution unit includes:
Module is obtained, the Historical Monitoring note of the voltage difference for obtaining battery group and DC bus in the direct current system
Record；
Determining module determines predetermined voltage threshold for recording according to the Historical Monitoring；
Second judgment module, for judging whether the voltage difference is more than the predetermined voltage threshold；
Second logic module, for judging the storage after judging that the voltage difference is more than the predetermined voltage threshold
Battery pack and the DC bus are detached from；
Second sending module, for sending the first warning message to mobile terminal, wherein first warning message is for prompting
The battery group and the DC bus in the direct current system are detached from.
7. device according to claim 5, which is characterized in that the execution unit includes:
Third judgment module, for judging the positive and negative of the floating charging flow valuve；
Whether the 4th judgment module opens a way for the battery according to the positive negative judgement of the floating charging flow valuve；
Third sending module, for sending the second warning message to mobile terminal after judging the battery pack open circuit,
In, second warning message is for prompting the battery group to open a way.
8. device according to claim 5, which is characterized in that the execution unit includes:
5th judgment module, for judging whether the cell voltage value of each single battery is more than monomer voltage threshold respectively
Value；
Third logic module, for there are cell voltage values more than the monomer voltage threshold value in judging the battery group
Single battery after, judge battery group open circuit；
4th sending module, for sending the second warning message to mobile terminal after judging the battery pack open circuit,
In, second warning message is for prompting the battery group to open a way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN107656211A (en) * | 2017-09-15 | 2018-02-02 | 武汉中航传感技术有限责任公司 | Batteries monitoring system |
| CN107942255B (en) * | 2017-11-03 | 2020-04-17 | 智洋创新科技股份有限公司 | Transformer substation storage battery state evaluation method based on data fusion technology |
| CN108957344B (en) * | 2018-08-02 | 2020-11-03 | 国网山西省电力公司忻州供电公司 | DC storage battery on-line monitoring method |
| WO2020037060A1 (en) * | 2018-08-14 | 2020-02-20 | Cps Technology Holdings Llc | Advanced battery health diagnostic |
| CN109870660B (en) * | 2019-03-25 | 2024-03-01 | 广西电网有限责任公司钦州供电局 | Open circuit detection system and method for battery pack |
| CN109884535A (en) * | 2019-03-26 | 2019-06-14 | 国网北京市电力公司 | The detection method and device of battery group |
| CN110927606B (en) * | 2019-11-05 | 2022-01-25 | 腾讯科技（深圳）有限公司 | Battery state monitoring method and device |
| CN110794342B (en) * | 2019-11-26 | 2021-08-31 | 广东电网有限责任公司东莞供电局 | Monitoring system for separating DC storage battery from bus for station and control method thereof |
| CN111007420B (en) * | 2019-12-26 | 2022-06-14 | 智洋创新科技股份有限公司 | Method for on-line screening performance of monomers in storage battery pack |
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