CN106814324A - The method and apparatus for monitoring batteries running status - Google Patents
The method and apparatus for monitoring batteries running status Download PDFInfo
- Publication number
- CN106814324A CN106814324A CN201611132742.5A CN201611132742A CN106814324A CN 106814324 A CN106814324 A CN 106814324A CN 201611132742 A CN201611132742 A CN 201611132742A CN 106814324 A CN106814324 A CN 106814324A
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- Prior art keywords
- bus
- voltage
- batteries
- monitor terminal
- voltage value
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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
- G01R31/3835—Arrangements for monitoring battery or accumulator variables, e.g. SoC involving only voltage measurements
Abstract
The invention discloses a kind of method and apparatus for monitoring batteries running status.Wherein, straight-flow system includes the dc bus and batteries of connection, and the method includes：The voltage of dc bus is monitored, first voltage value is obtained；The voltage of batteries is monitored, second voltage value is obtained；Judge whether first voltage value and the voltage difference of second voltage value exceed predetermined threshold value；If it is judged that voltage difference exceedes predetermined threshold value, it is determined that batteries depart from dc bus.The present invention is solved cannot accurately judge whether batteries depart from the technical problem of dc bus.
Description
Technical field
The present invention relates to the field of monitoring, in particular to a kind of method and apparatus for monitoring batteries running status.
Background technology
Traditional DC power system monitoring can also monitor the busbar voltage of DC power system, although dc source is monitored
Substantially busbar voltage and batteries pressure all to DC power system are monitored, but but it is not carried out sufficiently
Analysis and utilization.Meanwhile, storage batteries of transformer substation group is increasingly taken seriously as the core of straight-flow system, therefore battery
On-line monitoring system application is more and more extensive, and current traditional battery on-line monitoring system is mainly monitored batteries pressure, filled
The data such as discharge current, environment temperature, monomer internal resistance, but in the prior art just with these parameters to the performance of batteries
State is monitored, and whether not departing from dc bus to batteries is monitored.
For cannot accurately judge whether batteries depart from the technical problem of dc bus, not yet propose at present effective
Solution.
The content of the invention
A kind of method and apparatus for monitoring batteries running status are the embodiment of the invention provides, so that at least solve cannot
Accurately judge whether batteries depart from the technical problem of dc bus.
A kind of one side according to embodiments of the present invention, there is provided method of monitoring batteries running status, it is special
Levy and be, straight-flow system includes the dc bus and batteries of connection, the method includes：The voltage of dc bus is monitored,
Obtain first voltage value；The voltage of batteries is monitored, second voltage value is obtained；Judge first voltage value and second voltage value
Whether voltage difference exceedes predetermined threshold value；If it is judged that voltage difference exceedes predetermined threshold value, it is determined that it is female that batteries depart from direct current
Line.
Further, the voltage of monitoring dc bus includes：By the first voltage sensor being arranged on dc bus
Monitor the voltage of dc bus；First voltage value is sent to by the first wireless module being connected with first voltage sensor
Monitor terminal, the voltage for monitoring batteries includes：By the second voltage Sensor monitoring electric power storage being arranged in batteries
The voltage of pond group；Second voltage value is sent to eventually by monitoring by the second wireless module being connected with second voltage sensor
End.
Further, after monitor terminal receives first voltage value and second voltage value, the method also includes：Monitoring
Terminal obtains the voltage difference historical record of dc bus and batteries；Monitor terminal determines predetermined threshold value according to historical record,
And judge whether first voltage value and the voltage difference of second voltage value exceed predetermined threshold value；If first voltage value and second voltage
The voltage difference of value exceedes predetermined threshold value, it is determined that batteries depart from dc bus.
Further, dc bus is connected with other dc bus, determines that batteries depart from direct current in monitor terminal
After bus, the method also includes：The electric power storage of monitor terminal judgement connection corresponding with other dc bus that dc bus is connected
Whether pond group departs from；If in other dc bus exist any one dc bus correspondence connection batteries without departing from,
Then monitor terminal determines the non-dead electricity of dc bus.
Further, after monitor terminal determines that batteries depart from dc bus, method also includes：If monitoring is eventually
End determines that batteries depart from dc bus, then monitor terminal starts to send alarm to remote terminal；Monitor terminal is received
The stop alarm instruction that remote terminal sends after alarm is received, and stop to long-range in response to stop alarm instruction
Terminal sends alarm.
Another aspect according to embodiments of the present invention, additionally provides a kind of device for monitoring batteries running status, its
It is characterised by, straight-flow system includes the dc bus and batteries of connection, the device includes：First monitoring unit, is used for
The voltage of dc bus is monitored, first voltage value is obtained；Second monitoring unit, the voltage for monitoring batteries obtains
Two magnitudes of voltage；Whether judging unit, the voltage difference for judging first voltage value and second voltage value exceedes predetermined threshold value；It is determined that
Unit, for if it is judged that voltage difference exceedes predetermined threshold value, it is determined that batteries depart from dc bus.
Further, the first monitoring unit includes：First monitoring modular, for first by being arranged on dc bus
Voltage sensor monitors the voltage of dc bus；First sending module, for by being connected with first voltage sensor
First voltage value is sent to monitor terminal by one wireless module, and the second monitoring unit includes：Second monitoring modular, for by setting
Put the voltage of the second voltage Sensor monitoring batteries in batteries；Second sending module, for by with second
Second voltage value is sent to monitor terminal by the second wireless module that voltage sensor is connected.
Further, the device also includes：Acquiring unit, for receiving first voltage value and the second electricity in monitor terminal
After pressure value, monitor terminal obtains the voltage difference historical record of dc bus and batteries；First execution unit, for passing through
Monitor terminal determines predetermined threshold value according to historical record, and judges whether first voltage value and the voltage difference of second voltage value exceed
Predetermined threshold value, if the voltage difference of first voltage value and second voltage value exceedes predetermined threshold value, it is determined that batteries depart from straight
Stream bus.
Further, dc bus is connected with other dc bus, and the device also includes：Second execution unit, is used for
After monitor terminal determines that batteries depart from dc bus, monitor terminal judges that other direct currents being connected with dc bus are female
Whether the batteries of line correspondence connection depart from；If there is the correspondence connection of any one dc bus in other dc bus
Batteries are without departing from then monitor terminal determines the non-dead electricity of dc bus.
Further, the device also includes：Transmitting element, for determining that batteries depart from dc bus in monitor terminal
Afterwards, if monitor terminal determines that batteries depart from dc bus, monitor terminal starts to be carried to remote terminal transmission alarm
Show；3rd execution unit, for receiving the stopping report that remote terminal sends after alarm is received by monitor terminal
Alert instruction, and stop sending alarm to remote terminal in response to stop alarm instruction.
In embodiments of the present invention, by monitoring the voltage of dc bus, first voltage value is obtained；Monitoring batteries
Voltage, obtains second voltage value；Judge whether first voltage value and the voltage difference of second voltage value exceed predetermined threshold value；If sentenced
Break and voltage difference more than predetermined threshold value, it is determined that batteries depart from dc bus, and solving cannot accurately judge batteries
Whether depart from the technical problem of dc bus, and then realize the technology for judging whether batteries depart from dc bus exactly
Effect.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the flow chart of the method for a kind of optional monitoring batteries running status according to embodiments of the present invention；
Fig. 2 is the schematic diagram of the device of a kind of optional monitoring batteries running status according to embodiments of the present invention.
Specific embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, is clearly and completely described to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only
The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, should all belong to the model of present invention protection
Enclose.
It should be noted that term " first ", " in description and claims of this specification and above-mentioned accompanying drawing
Two " it is etc. for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so using
Data can exchange in the appropriate case, so as to embodiments of the invention described herein can with except illustrating herein or
Order beyond those of description is implemented.Additionally, term " comprising " and " having " and their any deformation, it is intended that cover
Lid is non-exclusive to be included, for example, the process, method, system, product or the equipment that contain series of steps or unit are not necessarily limited to
Those steps or unit clearly listed, but may include not list clearly or for these processes, method, product
Or other intrinsic steps of equipment or unit.
According to the embodiment of the present application, there is provided a kind of embodiment of the method for optional monitoring batteries running status.
The method is used to monitor the batteries in straight-flow system, and straight-flow system includes the dc bus and batteries of connection.
Fig. 1 is the flow chart of the method for a kind of optional monitoring batteries running status according to embodiments of the present invention,
As shown in figure 1, the method comprises the following steps：
Step S101, monitors the voltage of dc bus, obtains first voltage value；
Step S102, monitors the voltage of batteries, obtains second voltage value；
Step S103, judges whether first voltage value and the voltage difference of second voltage value exceed predetermined threshold value；
Step S104, if it is judged that voltage difference exceedes predetermined threshold value, it is determined that batteries depart from dc bus.
Straight-flow system include interconnect batteries and dc bus, respectively monitor dc bus on voltage and
The port voltage of batteries, can determine whether batteries depart from dc bus according to voltage difference.
Above-mentioned steps are further explained below are described as follows：
First voltage value can be the electricity by the first voltage Sensor monitoring dc bus being arranged on dc bus
Pressure, second voltage value can be the voltage by the second voltage Sensor monitoring batteries being arranged in batteries.The
The radio communication that one magnitude of voltage and second voltage value can above be set by first voltage sensor and second voltage sensor
Module is sent to monitor terminal, so that monitor terminal judges whether batteries depart from directly to first voltage value and second voltage value
Stream bus.Wherein, monitor terminal can be the terminal device in transformer station, can be counted including processor etc. in monitor terminal
According to processing unit, for whether judging more than predetermined threshold value voltage difference.
Judging before whether batteries depart from dc bus, it is necessary to obtain predetermined threshold value, the threshold value is for judging
The threshold value of the voltage difference of first voltage value and second voltage value, if voltage difference exceedes predetermined threshold value, it is determined that batteries take off
From dc bus.
The embodiment obtains first voltage value by monitoring the voltage of dc bus；The voltage of batteries is monitored, is obtained
Second voltage value；Judge whether first voltage value and the voltage difference of second voltage value exceed predetermined threshold value；If it is judged that voltage
Difference exceedes predetermined threshold value, it is determined that batteries depart from dc bus, and solving cannot accurately judge whether batteries depart from
The technical problem of dc bus, and then realize the technique effect for judging whether batteries depart from dc bus exactly.
Used as a preferred embodiment of above-described embodiment, the voltage for monitoring dc bus includes：By being arranged on direct current
The voltage of the first voltage Sensor monitoring dc bus on bus；It is wireless by be connected with first voltage sensor first
First voltage value is sent to monitor terminal by module, and the voltage for monitoring batteries includes：By being arranged in batteries
The voltage of second voltage Sensor monitoring batteries；By the second wireless module for being connected with second voltage sensor by
Two magnitudes of voltage are sent to monitor terminal.
Preferably due to batteries may decline due to the reason power reservoir capacity such as aging, cause the reality of batteries
Voltage changes, if predetermined threshold value uses fixed value, it is likely that be caused by caused by the reasons such as batteries are aging
Voltage difference exceedes predetermined threshold value, therefore, the concrete numerical value of predetermined threshold value can according to circumstances depending on, specifically, obtain default threshold
The mode of value can be determined by reading the historical record being monitored to dc bus and batteries, according to direct current
Bus determines a suitable predetermined threshold value with the historical record of the voltage difference of batteries.
Specifically, after monitor terminal receives first voltage value and second voltage value, the method also includes：Monitoring is eventually
End obtains the voltage difference historical record of dc bus and batteries；Monitor terminal determines predetermined threshold value according to historical record, and
Judge whether first voltage value and the voltage difference of second voltage value exceed predetermined threshold value；If first voltage value and second voltage value
Voltage difference exceed predetermined threshold value, it is determined that batteries depart from dc bus.
Dc bus in straight-flow system is typically segmentation, and one section of dc bus is also possible to and other section of dc bus phase
Connection, if being not turned off connection with other section of dc bus that this section of dc bus is connected and corresponding batteries,
Even if this section of dc bus and batteries disconnected also will not dead electricity, it is specific judge one section of dc bus whether dead electricity
Method can be as follows：
Monitor terminal determine batteries depart from dc bus after, monitor terminal judge be connected with dc bus its
Whether the batteries of its dc bus correspondence connection depart from；If there is any one dc bus pair in other dc bus
The batteries that should be connected are without departing from then monitor terminal determines the non-dead electricity of dc bus.
Preferably, after monitor terminal determines that batteries depart from dc bus, the method can also include：If prison
Control terminal determines that batteries depart from dc bus, then monitor terminal starts to send alarm to remote terminal；Monitor terminal
Receive remote terminal is sent after alarm is received stop alarm instruction, and in response to stop alarm instruction stopping to
Remote terminal sends alarm.
It should be noted that can be performed in the terminal the step of the flow of accompanying drawing is illustrated, and, although in flow
Logical order is shown in figure, but in some cases, can be shown or described to perform different from order herein
Step.
According to the embodiment of the present application, there is provided a kind of embodiment of the device of optional monitoring batteries running status.
The device that the embodiment is provided can be used for the method for performing monitoring batteries running status provided in an embodiment of the present invention.
Fig. 2 is the schematic diagram of the device of a kind of optional monitoring batteries running status according to embodiments of the present invention,
As shown in Fig. 2 the device includes the first monitoring unit 10, the second monitoring unit 20, judging unit 30 and determining unit 40.
First monitoring unit, the voltage for monitoring dc bus, obtains first voltage value；Second monitoring unit, is used for
The voltage of batteries is monitored, second voltage value is obtained；Judging unit, the electricity for judging first voltage value and second voltage value
Whether pressure difference exceedes predetermined threshold value；Determining unit, for if it is judged that voltage difference exceedes predetermined threshold value, it is determined that batteries
Depart from dc bus.
Preferably, the first monitoring unit includes：First monitoring modular, for the first electricity by being arranged on dc bus
Pressure sensor monitors the voltage of dc bus；First sending module, for first by being connected with first voltage sensor
First voltage value is sent to monitor terminal by wireless module, and the second monitoring unit includes：Second monitoring modular, for by setting
The voltage of the second voltage Sensor monitoring batteries in batteries；Second sending module, for by with second electricity
Second voltage value is sent to monitor terminal by the second wireless module that pressure sensor is connected.
Preferably, the device also includes：Acquiring unit, for receiving first voltage value and second voltage in monitor terminal
After value, monitor terminal obtains the voltage difference historical record of dc bus and batteries；First execution unit, for by prison
Control terminal determines predetermined threshold value according to historical record, and judges whether first voltage value and the voltage difference of second voltage value exceed in advance
If threshold value, if the voltage difference of first voltage value and second voltage value exceedes predetermined threshold value, it is determined that batteries depart from direct current
Bus.
Preferably, dc bus is connected with other dc bus, and the device also includes：Second execution unit, for
Monitor terminal determines after batteries disengaging dc bus that monitor terminal judges other dc bus being connected with dc bus
Whether the batteries of correspondence connection depart from；If there is the storage of any one dc bus correspondence connection in other dc bus
Battery pack is without departing from then monitor terminal determines the non-dead electricity of dc bus.
Preferably, the device also includes：Transmitting element, for monitor terminal determine batteries depart from dc bus it
Afterwards, if monitor terminal determines that batteries depart from dc bus, monitor terminal starts to send alarm to remote terminal；
3rd execution unit, the stop alarm for being sent after alarm is received by monitor terminal reception remote terminal is referred to
Order, and stop sending alarm to remote terminal in response to stop alarm instruction.
Above-mentioned device can include processor and memory, and said units can be as program unit storage in storage
In device, corresponding function is realized by computing device storage said procedure unit in memory.
Memory potentially includes the volatile memory in computer-readable medium, random access memory (RAM) and/
Or the form, such as read-only storage (ROM) or flash memory (flash RAM) such as Nonvolatile memory, memory is deposited including at least one
Storage chip.
The order of above-mentioned the embodiment of the present application is for illustration only, and the quality of embodiment is not represented.
In above-described embodiment of the application, the description to each embodiment all emphasizes particularly on different fields, and does not have in certain embodiment
The part of detailed description, may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents, can be by other
Mode is realized.Wherein, device embodiment described above is only schematical, such as division of described unit, Ke Yiwei
A kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be the INDIRECT COUPLING or communication link of unit or module by some interfaces
Connect, can be electrical or other forms.
In addition, during each functional unit in the application each embodiment can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.Above-mentioned integrated list
Unit can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If the integrated unit is to realize in the form of SFU software functional unit and as independent production marketing or use
When, can store in a computer read/write memory medium.Based on such understanding, the technical scheme of the application is substantially
The part for being contributed to prior art in other words or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are used to so that a computer
Equipment (can be personal computer, server or network equipment etc.) perform the application each embodiment methods described whole or
Part steps.And foregoing storage medium includes：USB flash disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can be with store program codes
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, on the premise of the application principle is not departed from, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (10)
1. it is a kind of monitor batteries running status method, it is characterised in that straight-flow system include connect dc bus
And batteries, methods described includes：
The voltage of the dc bus is monitored, first voltage value is obtained；
The voltage of the batteries is monitored, second voltage value is obtained；
Judge whether the first voltage value and the voltage difference of the second voltage value exceed predetermined threshold value；
If it is judged that the voltage difference exceedes the predetermined threshold value, it is determined that the batteries depart from the dc bus.
2. method according to claim 1, it is characterised in that
The voltage for monitoring the dc bus includes：By the first voltage Sensor monitoring institute being arranged on the dc bus
State the voltage of dc bus；By the first wireless module for being connected with the first voltage sensor by the first voltage value
It is sent to monitor terminal,
The voltage for monitoring the batteries includes：By the second voltage Sensor monitoring institute being arranged in the batteries
State the voltage of batteries；By the second wireless module for being connected with the second voltage sensor by the second voltage value
It is sent to the monitor terminal.
3. method according to claim 2, it is characterised in that the monitor terminal receive the first voltage value and
After the second voltage value, methods described also includes：
The monitor terminal obtains the voltage difference historical record of the dc bus and the batteries；
The monitor terminal determines the predetermined threshold value according to the historical record, and judges the first voltage value and described
Whether the voltage difference of two magnitudes of voltage exceedes the predetermined threshold value；
If the voltage difference of the first voltage value and the second voltage value exceedes the predetermined threshold value, it is determined that the electric power storage
Pond group departs from the dc bus.
4. method according to claim 3, it is characterised in that the dc bus is connected with other dc bus,
The monitor terminal determines after the batteries disengaging dc bus that methods described also includes：
The monitor terminal judges whether the batteries of the corresponding connection of other dc bus being connected with the dc bus take off
From；
If there are the batteries of any one dc bus correspondence connection in described other dc bus without departing from described
Monitor terminal determines the non-dead electricity of the dc bus.
5. method according to claim 3, it is characterised in that determine that the batteries depart from institute in the monitor terminal
State after dc bus, methods described also includes：
If the monitor terminal determines that the batteries depart from the dc bus, the monitor terminal starts to long-range
Terminal sends alarm；
The monitor terminal receives the stop alarm instruction that the remote terminal sends after the alarm is received, and
Stop sending the alarm to the remote terminal in response to stop alarm instruction.
6. it is a kind of monitor batteries running status device, it is characterised in that straight-flow system include connect dc bus
And batteries, described device includes：
First monitoring unit, the voltage for monitoring the dc bus, obtains first voltage value；
Second monitoring unit, the voltage for monitoring the batteries, obtains second voltage value；
Whether judging unit, the voltage difference for judging the first voltage value and the second voltage value exceedes predetermined threshold value；
Determining unit, for if it is judged that the voltage difference exceedes the predetermined threshold value, it is determined that the batteries depart from
The dc bus.
7. device according to claim 6, it is characterised in that
First monitoring unit includes：First monitoring modular, for the first voltage by being arranged on the dc bus
The voltage of dc bus described in Sensor monitoring；First sending module, for being connected by with the first voltage sensor
The first wireless module the first voltage value is sent to monitor terminal,
Second monitoring unit includes：Second monitoring modular, for the second voltage by being arranged in the batteries
The voltage of batteries described in Sensor monitoring；Second sending module, for being connected by with the second voltage sensor
The second wireless module the second voltage value is sent to the monitor terminal.
8. device according to claim 7, it is characterised in that described device also includes：
Acquiring unit, it is described after receiving the first voltage value and the second voltage value in the monitor terminal
Monitor terminal obtains the voltage difference historical record of the dc bus and the batteries；
First execution unit, for determining the predetermined threshold value according to the historical record by the monitor terminal, and judges
Whether the voltage difference of the first voltage value and the second voltage value exceedes the predetermined threshold value, if the first voltage value
Voltage difference with the second voltage value exceedes the predetermined threshold value, it is determined that the batteries depart from the dc bus.
9. device according to claim 8, it is characterised in that the dc bus is connected with other dc bus, institute
Stating device also includes：
Second execution unit, it is described for after the monitor terminal determines that the batteries depart from the dc bus
Monitor terminal judges whether the batteries of the corresponding connection of other dc bus being connected with the dc bus depart from；If institute
The batteries that there is the correspondence connection of any one dc bus in other dc bus are stated without departing from then the monitor terminal is true
The fixed non-dead electricity of dc bus.
10. device according to claim 8, it is characterised in that described device also includes：
Transmitting element, for after the monitor terminal determines that the batteries depart from the dc bus, if described
Monitor terminal determines that the batteries depart from the dc bus, then the monitor terminal starts to be sent to remote terminal and alarms
Prompting；
3rd execution unit, for receiving the remote terminal after the alarm is received by the monitor terminal
The stop alarm instruction of transmission, and stop being carried to the remote terminal transmission alarm in response to stop alarm instruction
Show.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611132742.5A CN106814324B (en) | 2016-12-09 | 2016-12-09 | Method and device for monitoring the operating state of a battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611132742.5A CN106814324B (en) | 2016-12-09 | 2016-12-09 | Method and device for monitoring the operating state of a battery pack |
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| CN106814324A true CN106814324A (en) | 2017-06-09 |
| CN106814324B CN106814324B (en) | 2020-09-11 |
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| CN201611132742.5A Active CN106814324B (en) | 2016-12-09 | 2016-12-09 | Method and device for monitoring the operating state of a battery pack |
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| CN108957344A (en) * | 2018-08-02 | 2018-12-07 | 国网山西省电力公司忻州供电公司 | Direct-flow storage battery on-line monitoring method |
| CN109143088A (en) * | 2018-08-02 | 2019-01-04 | 国网山西省电力公司忻州供电公司 | Direct-flow storage battery monitoring device |
| CN109613452A (en) * | 2018-11-29 | 2019-04-12 | 奥克斯空调股份有限公司 | The power-off protection method of AC power source power failure detection method, DC frequency-changeable compressor |
| 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 |
| CN110346737A (en) * | 2019-08-28 | 2019-10-18 | 湖南晟睿景智能科技有限公司 | A kind of monitoring device and monitoring method of direct current system |
| CN111596215A (en) * | 2020-04-01 | 2020-08-28 | 浙江吉利汽车研究院有限公司 | Storage battery state monitoring method and device and storage medium |
| CN113687233A (en) * | 2021-08-27 | 2021-11-23 | 陈永强 | Method for monitoring and alarming separation of storage battery pack from direct current bus and poor contact |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108957344A (en) * | 2018-08-02 | 2018-12-07 | 国网山西省电力公司忻州供电公司 | Direct-flow storage battery on-line monitoring method |
| CN109143088A (en) * | 2018-08-02 | 2019-01-04 | 国网山西省电力公司忻州供电公司 | Direct-flow storage battery monitoring device |
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| CN109613452A (en) * | 2018-11-29 | 2019-04-12 | 奥克斯空调股份有限公司 | The power-off protection method of AC power source power failure detection method, DC frequency-changeable compressor |
| 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 |
| CN110346737A (en) * | 2019-08-28 | 2019-10-18 | 湖南晟睿景智能科技有限公司 | A kind of monitoring device and monitoring method of direct current system |
| CN111596215A (en) * | 2020-04-01 | 2020-08-28 | 浙江吉利汽车研究院有限公司 | Storage battery state monitoring method and device and storage medium |
| CN113687233A (en) * | 2021-08-27 | 2021-11-23 | 陈永强 | Method for monitoring and alarming separation of storage battery pack from direct current bus and poor contact |
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