CN207623490U - Monitoring system applied to battery status in online accumulator group - Google Patents
Monitoring system applied to battery status in online accumulator group Download PDFInfo
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- CN207623490U CN207623490U CN201721746536.3U CN201721746536U CN207623490U CN 207623490 U CN207623490 U CN 207623490U CN 201721746536 U CN201721746536 U CN 201721746536U CN 207623490 U CN207623490 U CN 207623490U
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- battery
- data acquisition
- acquisition module
- monitoring system
- accumulator
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Abstract
The utility model discloses a kind of monitoring systems applied to battery status in online accumulator group, including：Data acquisition module, excitation generation module, synchronous acquisition signal wire, synchronizing channel make energy line, excitation line, measure line.Wherein data acquisition module includes switch unit, isolated location, Voltage processing unit, collecting unit, microcontroller, communication unit, isolated power supply, internal resistance processing unit；It includes isolated power supply, exciting unit, microcontroller, isolated location, switch unit to encourage generation module.The utility model can realize the synchronism switching of excitation and acquisition by the coordinated signals of data acquisition module and excitation generation module, the battery information of real-time collecting accumulator and to accumulator realize monitor in real time, understand the state of each accumulator, without carrying out heavy-current discharge test to accumulator, workload is reduced, working efficiency is improved, and is connected up simple, by the multiplexing to device, effectively reduce cost.
Description
Technical field
The utility model belongs to battery technology field, specifically a kind of applied to battery status in online accumulator group
Monitoring system.
Background technology
Battery status monitoring often uses the side of off line heavy-current discharge in accumulator group under existing online floating charge state
Formula acquires an accumulator parameter in the customary inspection of season property, judges that the quality of accumulator, discharge test need to consume with this
Take worker workload, influence the ordinary life of accumulator, and the state of accumulator cannot be grasped in real time, it is urgent when occurring
When situation, it be easy to cause the influences such as fire；
And online storage battery monitoring device mostly uses modularized design, each module for the accuracy of measurement at present
Power supply obtained from measured battery, each module is integrated with battery energization unit and collecting unit, is only capable of acquisition four and arrives
The voltage of six accumulators, internal resistance parameter, more batteries can lead to the inaccuracy for measuring voltage, the use meeting of resistance to voltage device
Increase cost；For the battery system of one group of 104 section 2V, generally require to use 52 such modules；This system exists
Inconsistent current drain, battery otherness can be caused to expand after a period of use；And it is limited by device precision,
Data consistency and repeatability are bad, field wiring is complicated, expensive etc., it is difficult to large-scale promotion.
Invention content
The purpose of this utility model is to provide a kind of monitoring systems applied to battery status in online accumulator group, use
Worker workload, the ordinary life for influencing accumulator, monitoring essence need to be expended in solving progress discharge test in the prior art
The problems such as degree is not high, wiring is complicated, expensive.
Realize that the technical solution of the utility model aim is：It is a kind of to be applied to battery status in online accumulator group
Monitoring system, including：Data acquisition module is connect with tested N grades of accumulator by measuring line, for from the storage connected
Monitoring data are collected on battery；The monitoring data include the voltage value and internal resistance value of accumulator；Multiple accumulator structures
At a battery strings, battery is serially connected on charger；The measurement line is conducting wire, and the connection type with battery is that each battery connects
A piece conducting wire, battery strings both ends are one additional, total N+1 roots；Generation module is encouraged, is connected by excitation line with the N grades of accumulator
It connects, for generating pumping signal to the accumulator connected；The excitation line is conducting wire, and the connection type with battery is every
M battery connects one, and battery strings both ends are one additional, and M can be 1.
The data acquisition module includes an isolated power supply, for making the internal electric source of data acquisition module be supplied with external
What power supply was galvanically isolated；
The data acquisition module further includes a switch unit, for switching tested battery, is allowed to access rear end survey
Amount system；
The data acquisition module further includes a Voltage processing unit, and the DC voltage for adjusting tested battery makes
Meet analog/digital conversion range limitation；
The data acquisition module further includes an internal resistance processing unit, and the exciter response signal for being tested battery makes
Filter out noise and meet analog/digital conversion range limitation；
The data acquisition module further includes a collecting unit, for d. c. voltage signal/exciter response signal to be led to
It crosses analog/digital conversion and becomes digital signal；
The data acquisition module further includes an isolated location, the synchronous acquisition for receiving the excitation generation module
Signal；
The data acquisition module further includes a communication unit, for data acquisition module and extraneous information exchange；
The data acquisition module further includes a microcontroller, the operation for controlling data acquisition module；
The excitation generation module includes an isolated power supply, for making the internal electric source of excitation generation module be supplied with external
What power supply was galvanically isolated；
The excitation generation module further includes an exciting unit, for generating pumping signal to the accumulator；
The excitation generation module further includes a switch unit, for switching energized battery, is allowed to access excitation
System；
The excitation generation module further includes a microcontroller, the operation for controlling data acquisition module；
The excitation generation module further includes an isolated location, for receiving the synchronization from the data acquisition module
Channel enable signal；
The utility model compared with prior art, remarkable advantage：（1）The battery of real-time collecting to accumulator can be passed through
Information（Such as including voltage value, internal resistance value etc.）And accumulator is realized and is monitored in real time, understand the state of each accumulator, to
Subsequently can to occur abnormal problem battery take such as replace operation, it is ensured that each accumulator be in normal condition and
Normal power supply when needing.（2）Without carrying out discharge test to accumulator, workload is reduced, monitoring accuracy and working efficiency are improved.
（3）Wiring is simple, reduces cost.
Description of the drawings
Fig. 1 is the functional block diagram that the utility model is applied to the monitoring system of battery status in online accumulator group.
Fig. 2 is the measurement line of the utility model and tested battery connection.
Fig. 3 is the excitation line of the utility model and tested battery connection.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and examples.
A kind of monitoring system applied to battery status in online accumulator group of the utility model, can pass through real-time collecting
To the battery information of accumulator（Such as including voltage value, internal resistance value）And accumulator is realized and is monitored in real time, understand each electric power storage
The state in pond.
Fig. 1 is the functional block diagram of the monitoring system of the utility model accumulator status.As shown in Figure 1, described be in monitoring
System includes：Data acquisition module 15, excitation generation module 1, synchronous acquisition signal wire 16, synchronizing channel make energy line 17, excitation line
18, line 19 is measured.
Wherein data acquisition module 15 includes switch unit 7, isolated location 8, Voltage processing unit 9, collecting unit 10, list
Piece machine 11, communication unit 12, isolated power supply 13, internal resistance processing unit 14；
Wherein excitation generation module 1 includes isolated power supply 2, exciting unit 3, microcontroller 4, isolated location 5, switch unit 6；
Data acquisition module 15 is to be connect with accumulator to be measured by measuring line 19, for from the accumulator connected
Collect monitoring data.Monitoring data include the voltage value and internal resistance value of accumulator.
In the present embodiment, accumulator be standby power system in be widely employed as backup power supply lead-acid accumulator,
Lithium battery etc..The number of the attachable accumulator of any one data acquisition module is one or more（No less than 56）, in reality
In the application of border, to reduce cost, the connect more costs of accumulator are lower；Data acquisition module is connected with accumulator by measuring line 19
It connects, connection is connected across each batteries both ends as shown in Fig. 2, measuring line 19；Pass through the switching list inside data acquisition module 15
The switching of member 7, can only once choose a single battery of battery strings, be allowed to access the Voltage processing unit 9 of rear end and internal resistance
Processing unit 14, and collected unit 10 acquires.
Encouraging generation module 1 is connect by excitation line 18 with accumulator to be measured, for generating excitation letter to accumulator
Number, as shown in figure 3, excitation line 18 is connected across battery pack both ends, battery pack can be a section, can also be more piece specific connection；
It is influenced to reduce charger, the fewer measured value of battery in battery pack is about accurate herein；
By encouraging the switching of the switch unit 6 inside generation module 1, a battery pack is once chosen, access is allowed to and swashs
Unit 3 is encouraged, is added in battery pack to the pumping signal of exciting unit 3.
Data acquisition module 15 makes energy line 17 connect with excitation generation module 1 by synchronous acquisition signal wire 16 and synchronizing channel
It connects；Wherein synchronous acquisition signal wire 16 accesses data acquisition module 15 by isolated location 8；Synchronizing channel make energy line 17 by every
Excitation generation module 1 is accessed from unit 5.
Concrete operating principle is：
After the microcontroller 11 in data acquisition module 15 is connected to the collection voltages instruction of host computer by communication unit 12,
Microcontroller 11 controls switch unit 7, accesses in a batteries to the Voltage processing unit 9 of rear end every time, to collected unit
10 acquisitions；Data are stored in microcontroller 11, and host computer is sent to through communication unit 12；
After the microcontroller 11 in data acquisition module 15 is connected to the acquisition internal resistance instruction of host computer by communication unit 12,
Microcontroller 11 makes energy line 17 transmit existing acquisition cell channel information to generation module 1 is encouraged by synchronizing channel, encourages production
Raw module 1 controls switch unit 6 and switches 3 signal of exciting unit to the battery pack that should be energized（Containing the battery to be tested）Two
End, to make tested battery be energized；Microcontroller 11 in data acquisition module 15 controls switch unit 7, accesses one every time
In batteries to the internal resistance processing unit 14 of rear end, to which collected unit 10 acquires；Data are stored in microcontroller 11, through logical
Letter unit 12 sends host computer to；
In conclusion the monitoring system of accumulator status provided by the utility model, can pass through real-time collecting to electric power storage
The battery information in pond（Such as including voltage value, internal resistance value, current value and temperature etc.）And accumulator is realized and is monitored in real time,
The state of each accumulator is solved, to which subsequently the operation such as replacing can be taken to there is abnormal problem battery, it is ensured that each
A accumulator is in normal condition and when needed normal power supply, compared with the existing technology, without carrying out electric discharge survey to accumulator
Examination reduces workload, improves monitoring accuracy and working efficiency.
And the acquisition of multiple batteries can be realized by two set of modules for the utility model, by switching the use of switch,
The use of the components such as exciting unit/voltage processing/internal resistance processing is greatly reduced, and wiring is simple, effectively reduces into
This.
Claims (14)
1. a kind of monitoring system applied to battery status in online accumulator group, it is characterised in that including：
Data acquisition module（15）, it is connect with tested N grades of accumulator by measuring line, for being collected from the accumulator connected
Monitoring data；Monitoring data include the voltage value and internal resistance value of accumulator；Multiple accumulators constitute a battery strings, battery strings
It is connected on charger；
Measure line（19）For conducting wire, the connection type with battery is that each battery connects a conducting wire, and battery strings both ends are one additional,
Total N+1 roots；
Encourage generation module（1）, it is connect by excitation line with N grades of accumulators, for generating excitation letter to the accumulator connected
Number；
Excitation line（18）For conducting wire, the connection type with battery is that one is connect per M battery, and battery strings both ends are one additional, M >=
1。
2. the monitoring system according to claim 1 applied to battery status in online accumulator group, it is characterised in that：Institute
It includes an isolated power supply to state data acquisition module（13）, for making the internal electric source of data acquisition module and externally fed power supply
Electrical isolation.
3. the monitoring system according to claim 1 or 2 applied to battery status in online accumulator group, feature exists
In：The data acquisition module further includes a switch unit（7）, for switching tested battery, it is allowed to access rear end measurement
System.
4. the monitoring system according to claim 3 applied to battery status in online accumulator group, which is characterized in that also
Including：The data acquisition module further includes a Voltage processing unit（9）, the DC voltage for adjusting tested battery makes
Meet analog/digital conversion range limitation.
5. the monitoring system according to claim 4 applied to battery status in online accumulator group, it is characterised in that：Institute
It further includes an internal resistance processing unit to state data acquisition module（14）, the exciter response signal for adjusting tested battery is allowed to
It filters out noise and meets the range limitation of analog/digital conversion.
6. the monitoring system according to claim 5 applied to battery status in online accumulator group, it is characterised in that：Institute
It further includes a collecting unit to state data acquisition module（10）, for d. c. voltage signal/exciter response signal by simulate/
Number conversion becomes digital signal.
7. the monitoring system according to claim 6 applied to battery status in online accumulator group, it is characterised in that：Institute
It further includes an isolated location to state data acquisition module（8）, the synchronous acquisition signal for receiving excitation generation module.
8. the monitoring system according to claim 7 applied to battery status in online accumulator group, it is characterised in that：Institute
It further includes a communication unit to state data acquisition module（12）, for data acquisition module and extraneous information exchange.
9. the monitoring system according to claim 8 applied to battery status in online accumulator group, it is characterised in that：Institute
It further includes a microcontroller to state data acquisition module（11）, the operation for controlling data acquisition module.
10. the monitoring system according to claim 1 applied to battery status in online accumulator group, it is characterised in that：
The excitation generation module includes an isolated power supply（2）, for making the internal electric source of excitation generation module and externally fed electricity
Source electrical isolation.
11. the monitoring system for being applied to battery status in online accumulator group according to claim 1 or 10, feature exist
In：The excitation generation module further includes an exciting unit（3）, for generating pumping signal to accumulator.
12. the monitoring system according to claim 11 applied to battery status in online accumulator group, it is characterised in that：
The excitation generation module further includes first switch unit（6）, for switching energized battery, it is allowed to access excitation system
System.
13. the monitoring system according to claim 12 applied to battery status in online accumulator group, it is characterised in that：
The excitation generation module further includes a microcontroller（4）, the operation for controlling excitation generation module.
14. the monitoring system according to claim 13 applied to battery status in online accumulator group, it is characterised in that：
The excitation generation module further includes an isolated location（5）, enabled for receiving the synchronizing channel from data acquisition module
Signal.
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| CN201721746536.3U CN207623490U (en) | 2017-12-14 | 2017-12-14 | Monitoring system applied to battery status in online accumulator group |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108008318A (en) * | 2017-12-14 | 2018-05-08 | 中国航空工业集团公司上海航空测控技术研究所 | Monitoring system applied to battery status in online storage battery group |
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2017
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108008318A (en) * | 2017-12-14 | 2018-05-08 | 中国航空工业集团公司上海航空测控技术研究所 | Monitoring system applied to battery status in online storage battery group |
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