CN206710568U - Batteries monitor and monitoring system - Google Patents
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- CN206710568U CN206710568U CN201720476523.2U CN201720476523U CN206710568U CN 206710568 U CN206710568 U CN 206710568U CN 201720476523 U CN201720476523 U CN 201720476523U CN 206710568 U CN206710568 U CN 206710568U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 59
- 238000004891 communication Methods 0.000 claims abstract description 20
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- 230000008859 change Effects 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
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- 230000005540 biological transmission Effects 0.000 description 2
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- 241000208340 Araliaceae Species 0.000 description 1
- 229930091051 Arenine Natural products 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
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- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model provides a kind of batteries monitor and monitoring system, is related to power monitoring technical field, and the batteries monitor includes：The processor and data acquisition unit being connected with processor, status indicator lamp and communication module；Data acquisition unit is connected by switching switch with batteries, gathers the performance parameter of batteries, and transmit to processor；Processor is used for receptivity parameter, and performance parameter is sent to monitoring host computer by communication module；Status indicator lamp is connected with processor, and processor is additionally operable to indicate the state of batteries according to performance parameter triggering state indicator lamp.A kind of batteries monitor and monitoring system that the utility model embodiment is provided, the working condition of battery can be indicated by status indicator lamp, while the staff is monitored by monitoring host computer, also the state of batteries can be checked in time in electric power computer room, effectively increase the monitoring efficiency of batteries.
Description
Technical field
Power monitoring technical field is the utility model is related to, is more particularly, to a kind of batteries monitor and monitoring
System.
Background technology
Progress and information-based, automaticity continuous improvement with society, people are to the row such as electric power, communication and traffic
The degree of dependence of industry is further deepened, and also just proposes higher requirement to the reliability of electric power system.No matter in electric power power transformation
Stand or played an important role in the places such as telecommunications room, battery as stand-by power supply.It is in the prior art to use electric power storage more
Cell monitoring system is monitored to each performance parameter of battery or batteries, realizes battery to a certain extent
The on-line monitoring of group, but the monitoring host computer of existing batteries monitoring system is typically not arranged in an electricity with batteries
In power computer room, when the performance parameter for detecting batteries occurs abnormal, staff checks abnormal letter on monitoring host computer
After breath, it is also necessary to investigated to electric power computer room, tend not to check the working condition of battery in time, reduce batteries
The efficiency of monitoring.
It is unfavorable for the working condition that staff checks batteries in time for above-mentioned batteries monitoring system, and then
The problem of reducing batteries monitoring efficiency, effective solution is not yet proposed at present.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of batteries monitor and monitoring system, makes work
Personnel can check the working condition of batteries in time, and then improve the monitoring efficiency of batteries.
In a first aspect, the utility model embodiment provides a kind of batteries monitor, the batteries monitor is set
The computer room of electricity substation is placed in, for being monitored to batteries, including：Processor and the data being connected with processor are adopted
Storage, status indicator lamp and communication module；Data acquisition unit is provided with switching switch, and data acquisition unit is by switching switch and storing
Battery pack connects, and gathers the performance parameter of batteries, and performance parameter is transmitted to processor；Wherein, the performance parameter bag
Include：Monomer internal resistance, discharge and recharge data, electric current, voltage and the temperature of batteries；Processor is used for receptivity parameter, and will
The performance parameter received is sent to monitoring host computer by communication module；Above-mentioned status indicator lamp is connected with processor, processor
It is additionally operable to indicate the state of batteries according to performance parameter triggering state indicator lamp.
With reference in a first aspect, the utility model embodiment provides the first possible embodiment of first aspect, its
In, above-mentioned communication module includes wireless transmission unit and RS485 interfaces.
With reference in a first aspect, the utility model embodiment provides second of possible embodiment of first aspect, its
In, above-mentioned switching switch includes multigroup sub switch；The corresponding cell batteries of every group of sub switch, including two sub switchs, its
In sub switch one end connection cell batteries positive pole, other end connection data acquisition unit；The one of another sub switch
The negative pole of end connection cell batteries, other end connection data acquisition unit.
With reference in a first aspect, the utility model embodiment provides the third possible embodiment of first aspect, its
In, above-mentioned data acquisition unit includes A/D converter, discharge load, voltage equalizer, current collector and Temperature sampler；Its
In, one end of A/D converter, discharge load and voltage equalizer is connected with switching switch connection, the other end with processor；
The cathode output end of one end connection batteries of current collector, the other end are connected with A/D converter；Temperature sampler and place
Device connection is managed, is transmitted for gathering the temperature parameter of batteries, and by temperature parameter to processor.
With reference in a first aspect, the utility model embodiment provides the 4th kind of possible embodiment of first aspect, its
In, above-mentioned batteries monitor also includes alarm, and the alarm is connected with processor.
With reference in a first aspect, the utility model embodiment provides the 5th kind of possible embodiment of first aspect, its
In, above-mentioned batteries monitor also includes the power module being connected with processor.
With reference to the 5th kind of possible embodiment of first aspect, the utility model embodiment provides the of first aspect
Six kinds of possible embodiments, wherein, above-mentioned processor, data acquisition unit, communication module and power module are encapsulated in a shell
In vivo, the hull outside is provided with power switch, power interface, communication interface and the data acquisition being connected with data acquisition unit
Interface.
With reference to the 6th kind of possible embodiment of first aspect, the utility model embodiment provides the of first aspect
Seven kinds of possible embodiments, wherein, above-mentioned status indicator lamp is arranged on the outside of housing.
With reference to the 6th kind of possible embodiment of first aspect, the utility model embodiment provides the of first aspect
Eight kinds of possible embodiments, wherein, it is additionally provided with heat emission hole at least one side of above-mentioned housing.
Second aspect, the utility model embodiment also provide a kind of batteries monitoring system, and the system includes above-mentioned the
Batteries monitor described in one side, in addition to batteries and monitoring host computer；Batteries monitor is used to monitor institute
The performance parameter of batteries is stated, and performance parameter is transmitted to monitoring host computer；Monitoring host computer is used to performance parameter being shown to
Monitoring personnel.
The utility model embodiment brings following beneficial effect：
A kind of batteries monitor and monitoring system that the utility model embodiment is provided, can be by batteries
Performance parameter is sent to monitoring host computer, and the working condition of battery is indicated by status indicator lamp, when the performance of batteries
, also can be in the electric power machine where batteries while the staff is monitored by monitoring host computer when parameter occurs abnormal
The state of batteries is checked in room in time, effectively increases the monitoring efficiency of batteries.
Other feature and advantage of the present utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood by implementing the utility model.The purpose of this utility model and other advantages are illustrating
Specifically noted structure is realized and obtained in book, claims and accompanying drawing.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Accompanying drawing appended by cooperation, is described in detail below.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those skilled in the art, do not paying creative work
On the premise of, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation for batteries monitor that the utility model embodiment provides；
Fig. 2 is the structural representation for another batteries monitor that the utility model embodiment provides；
Fig. 3 is a kind of circuit diagram for measurement accumulator internal resistance that the utility model embodiment provides；
Fig. 4 is a kind of outline structural diagram for batteries monitor that the utility model embodiment provides；
Fig. 5 is a kind of structured flowchart for batteries monitoring system that the utility model embodiment provides.
Icon：401- housings；402- power switches；403- power interfaces；404a~404c- communication interfaces；405a、
405b- data acquisition interfaces；406- spare interfaces；407-USB interfaces；408a~408e- status indicator lamps；409- power supply instructions
Lamp；410- heat emission holes.
Embodiment
To make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with accompanying drawing to this
The technical scheme of utility model is clearly and completely described, it is clear that described embodiment is that the utility model part is real
Apply example, rather than whole embodiments.Based on the embodiment in the utility model, those skilled in the art are not making creation
Property work under the premise of the every other embodiment that is obtained, belong to the scope of the utility model protection.
Current storage battery monitoring system, staff can only often check the state of batteries by monitoring host computer,
When detecting batteries exception, generally require to computer room to be investigated, and then determine abnormal batteries, in certain journey
The efficiency of batteries monitoring is reduced on degree.Based on this, a kind of batteries monitor of the utility model embodiment offer
And monitoring system, to improve the monitoring efficiency of batteries.
For ease of understanding the present embodiment, a kind of batteries disclosed in the utility model embodiment are supervised first
Device is surveyed to describe in detail.
Embodiment one：
The batteries monitor that the utility model embodiment provides is arranged at the computer room of electricity substation, for electric power storage
Pond group is monitored, and Fig. 1 shows a kind of structural representation for batteries monitor that the utility model embodiment provides, bag
Include the processor 10 and data acquisition unit 20 being connected with processor 10, status indicator lamp 30 and communication module 40.
Specifically, data acquisition unit 20 is provided with switching switch 201, and data acquisition unit 20 is by switching switch 201 with storing
Battery pack connects, and gathers the performance parameter of batteries, and performance parameter is transmitted to processor 10；Wherein, the performance parameter
Including：Monomer internal resistance, discharge and recharge data, electric current, voltage and the temperature of batteries；Processor 10 is used to receive above-mentioned performance ginseng
Number, and the performance parameter received is sent to monitoring host computer by communication module 40.
Status indicator lamp 30 is connected with processor 10, and processor 10 is additionally operable to according to performance parameter triggering state indicator lamp 30
Indicate the state of batteries.
A kind of batteries monitor that the utility model embodiment is provided, the performance parameter of batteries can be sent out
Monitoring host computer is delivered to, and the working condition of battery is indicated by status indicator lamp, when the performance parameter appearance of batteries is different
Chang Shi, while the staff is monitored by monitoring host computer, it can also be checked in time in the electric power computer room where batteries
The state of batteries, effectively increase the monitoring efficiency of batteries.
Specifically, above-mentioned communication module 40 includes wireless transmission unit and RS485 interfaces so that batteries monitor can
To be communicated by wireless network with monitoring host computer, or, communicated by 485 buses with monitoring host computer.
Fig. 2 shows a kind of another structural representation of batteries monitor, as shown in Fig. 2 batteries monitor
Device is with batteries by switching switch connection.Specifically, switching switch 201 includes multigroup sub switch；Every group of sub switch is corresponding
One cell batteries, including two sub switchs, the positive pole of one end connection cell batteries of one of sub switch, the other end
Connect data acquisition unit；One end of another sub switch connects the negative pole of the cell batteries, and the other end connects the data
Collector.
Further, data acquisition unit 20 is adopted including A/D converter 202, discharge load 203, voltage equalizer 204, electric current
Storage 205 and Temperature sampler 206；Wherein, one end of A/D converter 202, discharge load 203 and voltage equalizer 204 with
The connection of switching switch 201, the other end are connected with processor 10；One end of current collector 205 is stored by gathering coil connection
The cathode output end of battery pack, the other end are connected with A/D converter 202；Temperature sampler 206 is connected with processor, for adopting
Collect the temperature parameter of batteries, and temperature parameter is transmitted to processor 10.
Further, above-mentioned batteries monitor also includes alarm 50, and alarm 50 is connected with processor 10；Battery
Group monitor also includes the power module being connected with processor 10.
During specific implementation, switched by switching, it is possible to achieve the voltage measurement to cell batteries in batteries, and
Measured, cell batteries can also be entered when batteries are charged using internal resistance of the discharge load to battery
Row electric voltage equalization is adjusted.
It should be appreciated that it is to be composed in series with batteries by four cell batteries to carry out for convenience of description, in Fig. 2
Description, it is corresponding with four groups of sub switchs (8 sub switchs), in other embodiments, the quantity of cell batteries and sub switch
There can also be other numerical value, during specific implementation, be defined by actual conditions, the utility model embodiment is not limited to this.
Fig. 3 shows a kind of circuit diagram for measuring accumulator internal resistance, and its circuit connected can be switched by controlling
Switch is realized, is composed in series in Fig. 3 with batteries by three cell batteries to be described.During specific implementation, to electric power storage
Pond group increases a load R, before and after measuring increase load R by voltage sample meter V, the change of voltage, passes through current sample meter
Before and after measurement increase load R, the change of electric current, obtained with the variable quantity of voltage divided by the variable quantity of electric current in cell batteries
Resistance, and then judge whether to meet actual requirement of the power system to battery, while can also reflect the load-bearing energy of battery
Power and performance.
Further, processor of the present utility model, the performance parameter gathered by receiving data acquisition unit can be realized
Line monitors the internal resistance of cell, voltage, and batteries group terminal voltage, charging and discharging currents and temperature automatically, and records storage
Battery charge and discharge process ensures the accurate judgement to accumulator property per flashy change.It is also possible to canbe used on line pair
The electric voltage equalization regulatory function of cell batteries, charge and discharge maintenance is carried out to cell, extends the service life of battery.
Preferably, within a processor can with embedded battery analyze mathematical modeling, by the voltage to batteries with
And voltage dispersion degree and the mutation analysis of internal resistance, judge the state of current batteries, batteries can also be discharged
Protection, when the voltage for cell batteries occur is less than setting value, discharge time, capacity reach setting value, or exchange dead electricity etc.
Situation for the moment, enables battery to be automatically stopped electric discharge, and carry out fault alarm prompting.
Specifically, the content of above-mentioned fault alarm prompting includes：Internal resistance is transfinited, voltage transfinites, temperature over-range, average voltage
Transfinite, in actual use, the value that transfinites of each parameter can be configured in advance, to meet the property of different model battery
It can require.
The content of corresponding above-mentioned fault alarm prompting, corresponding status indicator lamp can set it is multiple, for example, internal resistance is transfinited
Transfinite indicator lamp, temperature over-range indicator lamp, average voltage of indicator lamp, voltage transfinites indicator lamp etc. so that when processor is analyzed
When haveing above-mentioned failure, corresponding indicator lamp can be triggered and prompted, it is also possible to control alarm to send sound or lamp
The alarm of sudden strain of a muscle so that staff when searching accumulator failure, can fast positioning to some trouble accumulator, check
Failure cause, and corresponding regulating measures are made in time.
In actual use, above-mentioned processor, data acquisition unit, communication module and power module are encapsulated in a housing
It is interior, a kind of outline structural diagram of batteries monitor as shown in Figure 4, including housing 401, set outside housing 401
It is equipped with power switch 402, power interface 403, communication interface 404a, 404b and 404c, and the number being connected with data acquisition unit
According to acquisition interface 405a and 405b, wherein, communication interface 404a and 404b are nine kinds of needles interface, and 404c is Ethernet interface, data
Acquisition interface 405a and 405b are binding post, and further, above-mentioned batteries monitor also includes spare interface 406 and USB
Interface 407.
Specifically, status indicator lamp is also disposed at the outside of housing 401, such as Figure 40 8a, 408b, 408c, 408d and 408e,
Transfinited indicator lamp and not enough power supply including internal resistance transfinite indicator lamp, temperature over-range indicator lamp, the average voltage of indicator lamp, voltage that transfinite
Indicator lamp, further, power supply indicator 409 is additionally provided with shell 401, the power supply indicator is connected with power module, is used
It is whether normal in display power supply state.
Preferably, heat emission hole 410 is additionally provided with least one side of housing 401, as shown in figure 4, wherein, in order to
It is easy to illustrate, the batteries monitor shown in Fig. 4, the situation that heat emission hole is provided with one of face is illustrate only, at it
In his embodiment, multiple heat emission holes can also be set in other sides, to reach more preferable radiating effect, concrete condition is with reality
Border application is defined, and the utility model embodiment is not limited to this.
Embodiment two：
On the basis of above-described embodiment, the utility model embodiment additionally provides a kind of batteries monitoring system, such as
A kind of structured flowchart of Monitored System of Industrial Storage Cell shown in Fig. 5, including the batteries monitor 504 described in above-described embodiment,
Also include batteries 502 and monitoring host computer 506.
Batteries monitor 504 monitors the performance parameter of batteries 502, and performance parameter is transmitted to monitoring host computer
506；Monitoring host computer 506 is used to performance parameter being shown to monitoring personnel.During specific implementation, batteries detector can be set
In the computer room of electricity substation, be connected with batteries, specifically, can according to computer room in-site installation condition select external hanging type or
Person's Standard Machine is cabinet type, wherein, the computer room that external hanging type can conveniently applied to no rack, it can be placed on battery pack frame, side
Just staff is checked, and batteries monitor can be arranged on sales counter by cabinet-type, be more convenient installation, concrete mode with
In-site installation condition is defined, and the utility model embodiment is not limited to this.
A kind of batteries monitoring system that the utility model embodiment is provided, can be by the performance parameter of batteries
Send to monitoring host computer, and the working condition of battery is indicated by status indicator lamp, when the performance parameter of batteries occurs
When abnormal, while the staff is monitored by monitoring host computer, it can also be looked into time in the electric power computer room where batteries
The state of batteries is seen, effectively increases the monitoring efficiency of batteries.
The batteries monitoring system that the utility model embodiment provides, monitored with the batteries that above-described embodiment provides
Utensil has identical technical characteristic, so can also solve identical technical problem, reaches identical technique effect.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
With the specific work process of device, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In addition, in the description of the utility model embodiment, unless otherwise clearly defined and limited, term " installation ",
" connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected
Connect；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can
To be the connection of two element internals.To those skilled in the art, with concrete condition above-mentioned term can be understood in this reality
With the concrete meaning in new.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
Finally it should be noted that：Above example, only specific embodiment of the present utility model, to illustrate this practicality
New technical scheme, rather than its limitations, the scope of protection of the utility model is not limited thereto, although with reference to foregoing implementation
The utility model is described in detail example, it should be understood by those skilled in the art that：Any skill for being familiar with the art
In the technical scope that the utility model discloses, it can still be carried out art personnel to the technical scheme described in previous embodiment
Modification can readily occur in change, or carry out equivalent substitution to which part technical characteristic；And these are changed, change or replace
Change, the essence of appropriate technical solution is departed from the spirit and scope of the utility model embodiment technical scheme, should all cover
Within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should using scope of the claims as
It is accurate.
Claims (10)
1. a kind of batteries monitor, the batteries monitor is arranged at the computer room of electricity substation, for electric power storage
Pond group is monitored, it is characterised in that including：Processor and the data acquisition unit being connected with the processor, status indicator lamp
And communication module；
The data acquisition unit is provided with switching switch, and the data acquisition unit is connected by the switching switch with batteries
Connect, gather the performance parameter of the batteries, and the performance parameter is transmitted to the processor；Wherein, the performance
Parameter includes：Monomer internal resistance, discharge and recharge data, electric current, voltage and the temperature of the batteries；
The processor is used to receive the performance parameter, and the performance parameter received is sent out by the communication module
Deliver to monitoring host computer；
The status indicator lamp is connected with the processor, and the processor is additionally operable to trigger the shape according to the performance parameter
State indicator lamp indicates the state of the batteries.
2. batteries monitor according to claim 1, it is characterised in that the communication module includes being wirelessly transferred list
Member and RS485 interfaces.
3. batteries monitor according to claim 1, it is characterised in that the switching switch includes multigroup son and opened
Close；
The corresponding cell batteries of every group of sub switch, including two sub switchs, described in one end connection of one of sub switch
The positive pole of cell batteries, the other end connect the data acquisition unit；One end of another sub switch connects the monomer electric power storage
The negative pole in pond, the other end connect the data acquisition unit.
4. batteries monitor according to claim 1, it is characterised in that the data acquisition unit is changed including A/D
Device, discharge load, voltage equalizer, current collector and Temperature sampler；Wherein, the A/D converter, the discharge load
It is connected with one end of the voltage equalizer with the switching switch connection, the other end with the processor；
One end of the current collector connects the cathode output end of the batteries, and the other end connects with the A/D converter
Connect；
The Temperature sampler is connected with the processor, for gathering the temperature parameter of the batteries, and by the temperature
Degree parameter is transmitted to the processor.
5. batteries monitor according to claim 1, it is characterised in that the batteries monitor also includes report
Alert device, the alarm are connected with the processor.
6. batteries monitor according to claim 1, it is characterised in that the batteries monitor also include with
The power module of the processor connection.
7. batteries monitor according to claim 6, it is characterised in that the processor, the data acquisition unit,
The communication module and the power module are encapsulated in a housing, and the outside of the housing is provided with power switch, power supply
Interface, communication interface and the data acquisition interface being connected with the data acquisition unit.
8. batteries monitor according to claim 7, it is characterised in that the status indicator lamp is arranged on the shell
The outside of body.
9. batteries monitor according to claim 7, it is characterised in that at least one side of the housing
It is additionally provided with heat emission hole.
10. a kind of batteries monitoring system, it is characterised in that the system includes the storage described in any one of claim 1~9
Battery pack monitor, in addition to batteries and monitoring host computer；
The batteries monitor is used for the performance parameter for monitoring the batteries, and the performance parameter is transmitted to institute
State monitoring host computer；
The monitoring host computer is used to the performance parameter being shown to monitoring personnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720476523.2U CN206710568U (en) | 2017-05-02 | 2017-05-02 | Batteries monitor and monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720476523.2U CN206710568U (en) | 2017-05-02 | 2017-05-02 | Batteries monitor and monitoring system |
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| Publication Number | Publication Date |
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| CN206710568U true CN206710568U (en) | 2017-12-05 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031765A (en) * | 2019-04-30 | 2019-07-19 | 江苏健雄电气安装工程有限公司 | A kind of accumulator load online monitoring system |
| CN110703106A (en) * | 2019-10-30 | 2020-01-17 | 中国第一汽车股份有限公司 | Battery monomer voltage monitoring device and method |
| CN111077463A (en) * | 2019-12-06 | 2020-04-28 | 国家电网公司 | Balanced maintenance system for online monitoring of storage battery |
-
2017
- 2017-05-02 CN CN201720476523.2U patent/CN206710568U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031765A (en) * | 2019-04-30 | 2019-07-19 | 江苏健雄电气安装工程有限公司 | A kind of accumulator load online monitoring system |
| CN110703106A (en) * | 2019-10-30 | 2020-01-17 | 中国第一汽车股份有限公司 | Battery monomer voltage monitoring device and method |
| CN111077463A (en) * | 2019-12-06 | 2020-04-28 | 国家电网公司 | Balanced maintenance system for online monitoring of storage battery |
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