CN108120938A - A kind of data center with distributed battery monitoring system - Google Patents
A kind of data center with distributed battery monitoring system Download PDFInfo
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- CN108120938A CN108120938A CN201711404249.9A CN201711404249A CN108120938A CN 108120938 A CN108120938 A CN 108120938A CN 201711404249 A CN201711404249 A CN 201711404249A CN 108120938 A CN108120938 A CN 108120938A
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- Prior art keywords
- battery
- distributed
- monitoring host
- battery pack
- electricity
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Classifications
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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]
- G01R31/392—Determining battery ageing or deterioration, e.g. state of health
-
- 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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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
Abstract
A kind of data center with distributed battery monitoring system provided by the invention,This is that every batteries configure a battery acquisition module in data center with distributed battery monitoring system,For gathering cell voltage,Electric current,The battery datas information such as temperature,Wirelessly carry out data transmission between battery acquisition module and battery cell monitoring host,The battery data information of distributed battery is uploaded to battery cell monitoring host by battery cell monitoring host by communication or wired communication mode,Battery cell monitoring host is used to receive the battery data information of battery acquisition module transmission,And mathematical statistics calculating and analysis are carried out to the battery data information of the distributed battery in same battery pack to determine the health status of battery pack,Battery cell monitoring host is additionally operable to summarize,Show all battery data information,The maintenance opinion of each battery pack is provided according to the health status of battery pack,Improve monitoring accuracy and detection efficiency that distributed battery is safeguarded,Reduce workload.
Description
Technical field
The present invention relates to electronic monitoring technical fields, have distributed battery monitoring system more specifically to one kind
Data center.
Background technology
With the rapid development of internet so that explosive growth is presented in information resources, and people are with the network media to letter
The demand of breath is also being constantly increasing.Various large-scale data center modules also come into being, and form individual-service of data center module
Device, the quantity of storage cabinet are also being continuously increased, and just constitute data center.Data center is that one kind can accommodate multiple services
The Multifunctional buildings of device, communication equipment and information technoloy equipment, due to special status of the data center in network application, to power supply
The security of system, continuity, reliability have a higher requirement, particularly the electric power system to the server of data center.
In order to ensure the continuous work of information technoloy equipment, core data center should have when 365*24 is small under all weather conditions,
Incessantly data are performed with the ability of high speed acquisition, high speed processing, high speed storing and high-speed transfer, electric power system is as data
The core cell that center runs without interruption, it is necessary to assure the operation that can stablize reliably and with long-term, therefore, distributed battery is communicating
Play uninterruptible power supply in equipment, can ensure the non-stop run of communication equipment, prevent due to caused by power failure
Massive losses.Therefore, for battery maintenance work also into the important step of communication equipment power management section, and battery
It is correct to safeguard and using having direct significant impact to the service life of battery, therefore, good maintenance to battery and proper use of
The service life of battery can be greatly improved.
At present, rely primarily on for the maintenance work of battery and be manually detected, there are precision is low, heavy workload, efficiency
Low drawback.
The content of the invention
In view of this, it is an object of the invention to provide a kind of data center with distributed battery monitoring system, with
It improves monitoring accuracy and detection efficiency to battery maintenance, reduce workload.
To achieve the above object, the present invention provides following technical solutions：
A kind of data center with distributed battery monitoring system, it is described uninterrupted applied to uninterruptible power system
Electric power system, including：Ac power circuit, multiple module for power supply circuits, multiple accumulators and multiple redundant power supply circuits and
Multiple redundancy accumulators, wherein：The input terminal of each module for power supply circuit is defeated with the ac power circuit respectively
Outlet is connected, and the output terminal of each module for power supply circuit is connected respectively with all server nodes, each redundancy
Output terminal of the input terminal of power supply circuit respectively with the ac power circuit is connected, the output of each redundant power supply circuit
End is connected respectively with all server nodes, and the accumulator and the redundancy accumulator include：Energy-storage units and
Dcdc converter, the energy-storage units include：At least one battery pack, the battery pack include at least one distributed battery,
The data center with distributed battery monitoring system includes：At least one battery monitor system, the battery cell monitoring system
System includes：Battery acquisition module and battery cell monitoring host, wherein：
The battery acquisition module is connected by the pole of conducting wire and distributed battery, and the battery acquisition module and institute
It is identical to state the quantity of distributed battery, the battery cell monitoring host is connected with the battery acquisition module by communication
It connects；
The battery acquisition module is used to gather the battery data information of the distributed battery, the battery data information
Including：Cell voltage, battery current and battery temperature；
The battery cell monitoring host is used to receive the battery data information that the battery acquisition module is sent, and to same
The battery data information of distributed battery in one battery pack carries out mathematical statistics calculating and analysis to determine the battery pack
Health status, the health status of the battery pack include fault-free and faulty.
Preferably, the battery cell monitoring host also respectively with the ac power circuit, the module for power supply circuit, described
Redundant power supply circuit and dcdc converter communication connection, the battery cell monitoring host are used for：
Monitor the ac power circuit, the module for power supply circuit, the redundant power supply circuit power supply state and
The state of charge of the battery pack controls the power supply strategy of the battery pack.
Preferably, when battery state-of-health described in the battery cell monitoring host supervision is fault-free, and the friendship is monitored
When flowing power supply circuit power supply abundance, the battery cell monitoring host is used for：
State of charge of battery pack, such as battery according to where the battery data information of each distributed battery determines it
The electricity of group is not up to predetermined value, then the ac power circuit is controlled to remove and is normally powered for the server node, while root
According to the state of charge of the battery pack dcdc converter is controlled to charge for battery pack.
Preferably, when battery state-of-health described in the battery cell monitoring host supervision is fault-free, and the friendship is monitored
When flowing power supply circuit electricity shortage, the battery cell monitoring host is used for：
The state of charge of the battery pack is monitored, controls the dcdc converter that battery pack is put into the uninterrupted power supply
System is all that the server node is powered with the ac power circuit；
When the electricity for monitoring battery pack is less than preset value, the dcdc converter is controlled to cut off corresponding battery pack, control
Making other described battery packs increases output power to meet the server node progress power demand.
Preferably, when battery state-of-health described in the battery cell monitoring host supervision is fault-free, and the friendship is monitored
When flowing power supply circuit electricity shortage, while monitoring the electricity of the battery pack less than preset value, the battery cell monitoring host is used for：
The server node load factor is controlled, closes unnecessary process, and it is described to control the dcdc converter
Battery pack charges.
Preferably, when battery state-of-health described in the battery cell monitoring host supervision is fault-free, and the friendship is monitored
When flowing power supply circuit power-off, the battery cell monitoring host is used for：
The state of charge of the battery pack is monitored, the dcdc converter is controlled to throw the battery pack in all energy-storage units
Enter the uninterruptible power system and carry out backup for the server node；
When the electricity for monitoring the battery pack in one of energy-storage units is less than preset value, the DCDC is controlled to convert
Device cuts off corresponding current supply circuit, other described battery packs is controlled to increase output power and are used with meeting the server node
Electricity demanding.
Preferably, when battery state-of-health described in the battery cell monitoring host supervision is faulty, the battery cell monitoring
Host is used for：
Abort situation is determined according to the battery data information of each distributed battery, and carries out fault alarm.
Preferably, when battery state-of-health described in the battery cell monitoring host supervision is faulty, the battery cell monitoring
Host is used for：
The branch of the battery pack to break down is controlled to disconnect, and increases the output power of other battery packs with full
The foot server node carries out power demand.
A kind of data center with distributed battery monitoring system, the data center are stereoscopic multi-layer level structure,
Including multiple monohierarchy data centers, each monohierarchy data center includes：Battery acquisition module and battery cell monitoring host, wherein：
The battery acquisition module is connected by the pole of conducting wire and distributed battery, and the battery acquisition module and institute
It is identical to state the quantity of distributed battery, the battery cell monitoring host is connected with the battery acquisition module by communication
It connects；
The battery acquisition module is used to gather the battery data information of the distributed battery, the battery data information
Including：Cell voltage, battery current and battery temperature；
The battery cell monitoring host of each monohierarchy data center is connected by way of wire communication with the monitoring server；
The battery cell monitoring host or monitoring server are used to receive the cell number that the battery acquisition module is sent
It is believed that breath, and the battery data information of the distributed battery in same battery pack is carried out mathematical statistics calculating and analysis with
Determine the health status of the battery pack, the health status of the battery pack includes fault-free and faulty.
Preferably, the battery acquisition module includes：Power circuit, voltage acquisition unit, current acquisition unit, temperature are adopted
Collect unit and wireless sending module, wherein：
The power circuit is used to provide power supply for the battery acquisition module；
The voltage acquisition unit is used to gather the cell voltage of the distributed battery；
The current acquisition unit is used to gather the battery current of the distributed battery；
The temperature collecting cell is used to gather the battery temperature of the distributed battery；
The wireless sending module is used to lead to the cell voltage, battery current and battery temperature of the distributed battery
It crosses communication and is sent to the battery cell monitoring host；
The battery cell monitoring host includes：Data reception module and data transmission blocks, wherein：
The data reception module is used to receive the battery data information of the distributed battery by communication；
The data transmission blocks are used for the electricity of the distributed battery through the ICP/IP protocol in the LAN
Pond data message is uploaded to the monitoring server.
It can be seen from the above technical scheme that a kind of data with distributed battery monitoring system provided by the invention
Center should be used for being that every batteries configure a battery acquisition module in the data center of distributed battery monitoring system
The battery datas information such as cell voltage, electric current, temperature are gathered, pass through wireless parties between battery acquisition module and battery cell monitoring host
Formula carries out data transmission, and when the data center is stereoscopic multi-layer level structure, battery cell monitoring host passes through wired communication mode
The battery data information of distributed battery is uploaded to monitoring server.Battery cell monitoring host or monitoring server are used to receive electricity
The battery data information that pond acquisition module is sent, and to the battery data information of the distributed battery in same battery pack into line number
Reason statistics is calculated and analyzed to determine the health status of battery pack, and battery cell monitoring host or monitoring server are additionally operable to summarize, open up
Show all battery data information, the maintenance opinion of each battery pack is provided according to the health status of battery pack, improve distributed
The monitoring accuracy and detection efficiency of battery maintenance reduce workload.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is for the uninterruptible power system schematic diagram for data center；
Fig. 2 is a kind of data center's structural representation with distributed battery monitoring system provided in an embodiment of the present invention
Figure；
Fig. 3 shows for a kind of another structure of data center with distributed battery monitoring system provided in an embodiment of the present invention
It is intended to；
Fig. 4 is a kind of real-time normal distribution of voltage of voltage's distribiuting of battery pack provided in an embodiment of the present invention；
Fig. 5 is the variance curve figure of battery pack 2 in some time provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without making creative work
Embodiment belongs to the scope of protection of the invention.
An embodiment of the present invention provides a kind of data centers with distributed battery monitoring system, should have distributed electrical
The data center of cell monitoring system for the distributed battery at monitoring data center state, applied to uninterruptible power system,
As shown in Figure 1, the uninterruptible power system includes：Ac power circuit 101,1021~102n of multiple module for power supply circuits,
Multiple 1031~103n of accumulator and multiple redundant module power supply circuit 102n+1~102n+x and multiple spare accumulators
103n+1~103n+x, wherein：1021~102n input terminals of each module for power supply circuit respectively with the Alternating Current Power Supply
The output terminal of circuit 101 is connected, the output terminal of each 1021~102n of the module for power supply circuit respectively with all servers
1041~104n of node is connected, the input terminal of each redundant module power supply circuit 102n+1~102n+x respectively with the friendship
The output terminal of stream power supply circuit 101 is connected, the output terminal difference of each redundant module power supply circuit 102n+1~102n+x
It is connected with all 1041~104n of server node, the 1031~103n of accumulator and the redundancy accumulator 103n
+ 1~103n+x includes：Energy-storage units and dcdc converter, the energy-storage units include：At least one battery pack, the battery
Group includes at least one distributed battery.
It is worth noting that, the AC power of the signified ac power circuit of the present invention can be single channel mains-supplied,
Can power supply be switched over by ATS with two-way alternating current, can also be that alternating current+oil machine is switched by ATS, more can be two-way city
Electricity+oil machine is switched by ATS powers.
The data center with distributed battery monitoring system is used for the state of the distributed battery at monitoring data center,
Applied to uninterruptible power system, should can also include with the data center of distributed battery monitoring system：Battery gathers mould
Block and battery monitoring host computer, wherein：
The battery acquisition module is connected by the pole of conducting wire and distributed battery, and the battery acquisition module and institute
It is identical to state the quantity of distributed battery, the battery monitoring host computer passes through communication with the battery acquisition module
Connection；
The battery acquisition module is used to gather the battery data information of the distributed battery, the battery data information
Including：Cell voltage, battery current and battery temperature；
The battery monitoring host computer is used to receive the battery data information that the battery acquisition module is sent, and
It is described to determine that mathematical statistics calculating and analysis are carried out to the battery data information of the distributed battery in same battery pack
The health status of battery pack.Fig. 2 is referred to, the embodiment of the invention discloses a kind of data with distributed battery monitoring system
Center, the systematic difference scene are that the data center set is individual layer, battery cell monitoring host 105 and battery monitor system
106, the battery monitor system 106 includes：Battery acquisition module 1061 and battery cell monitoring host 1062, wherein：The battery
10611~1061m of acquisition module is connected by conducting wire with the pole of 1~m of distributed battery, and the battery acquisition module with
The quantity of the distributed battery is identical, the battery cell monitoring host 1062 and 10611~1061m of the battery acquisition module
It is connected by communication.
10611~1061m of the battery acquisition module is used to gather the battery data information of the 1~m of distributed battery,
The battery data information includes：Cell voltage, battery current and battery temperature；
The battery cell monitoring host 1062 is used to receive the electricity of 10611~1061m of battery acquisition module transmissions
Pond data message and the battery data information of the distributed battery in same battery pack is carried out mathematical statistics calculating and analysis with
Determine the health status of the battery pack.
10611~1061m of the battery acquisition module respectively includes：Power circuit, voltage acquisition unit, current acquisition list
Member, temperature collecting cell and wireless sending module, wherein：The power circuit is used to provide electricity for the battery acquisition module
Source；The voltage acquisition unit is used to gather the cell voltage of the distributed battery；The current acquisition unit is used to gather
The battery current of the distributed battery；The temperature collecting cell is used to gather the battery temperature of the distributed battery；Institute
Wireless sending module is stated for the cell voltage, battery current and battery temperature of the distributed battery to be passed through wireless communication
Mode is sent to the battery cell monitoring host；The battery cell monitoring host includes：Data reception module and data transmission blocks.
Fig. 3 is referred to, the embodiment of the invention discloses a kind of data centers with distributed battery monitoring system, this is
The application scenarios of system are that the data center set is stereoscopic multi-layer level structure, including multiple monohierarchy data center (Yu Benshi
Apply in example is three layers), each monohierarchy data center includes：Battery acquisition module and battery cell monitoring host, battery monitor system 106
Including：Battery acquisition module 1061 and battery cell monitoring host 1062, wherein：
10611~1061m of the battery acquisition module is connected by conducting wire with the pole of 1~m of distributed battery, and described
Battery acquisition module is identical with the quantity of the distributed battery, and the battery cell monitoring host 1062 gathers mould with the battery
10611~1061m of block is connected by communication, the battery cell monitoring host 1062 by wired communication mode with it is described
Battery cell monitoring host 105 connects；
10611~1061m of the battery acquisition module is used to gather the battery data information of the 1~m of distributed battery,
The battery data information includes：Cell voltage, battery current and battery temperature；
The battery cell monitoring host 1062 is used to receive the electricity of 10611~1061m of battery acquisition module transmissions
Pond data message；The battery cell monitoring host 1062 of each monohierarchy data center by way of wire communication with the monitoring service
Device 105 connects；Each battery cell monitoring host 1062 or monitoring server 105 are used for what the battery acquisition module of reception was sent
The battery data information, and mathematical statistics meter is carried out to the battery data information of the distributed battery in same battery pack
Calculate and analyze to determine the health status of the battery pack, the health status of the battery pack includes fault-free and faulty.
Preferably, on the basis of above-mentioned Fig. 2, when data center is individual layer level structure, the battery cell monitoring host also divides
Not with the ac power circuit, the module for power supply circuit, the redundant power supply circuit and the dcdc converter communication link
It connects, the battery cell monitoring host is used for：
Monitor the ac power circuit, the module for power supply circuit, the redundant power supply circuit power supply state and
The state of charge of the battery pack controls the power supply strategy of the battery pack.
Preferably, referring to Fig. 1 and Fig. 2, how it is according to institute that battery cell monitoring host is illustrated by taking the combination of Fig. 1 and Fig. 2 as an example
State the electricity of ac power circuit, the module for power supply circuit, the power supply state of the redundant power supply circuit and the battery pack
Amount state controls the power supply strategy of the battery pack：
In the embodiment of the present invention, when battery cell monitoring host supervision battery state-of-health is fault-free, supplied according to exchange
The electric power thus supplied of circuit can be specially to the power supply strategy of battery pack：
1st, when monitoring the ac power circuit power supply abundance, then the battery cell monitoring host is used for according to each described
The state of charge of battery pack where the battery data information of distributed battery determines it controls the ac power circuit except normal
It powers for the server node, while it is the battery to control the dcdc converter according to the state of charge of the battery pack
Group charges.Such as：When the state of charge of monitoring battery pack 1 is 100%, the state of charge of battery pack 2 is 75%, battery
The state of charge of group 3 is 50%, and when the state of charge of battery pack 4 is 25%, the switching for controlling dcdc converter is corresponding electricity
Pond group carries out charging process, is specifically as follows, and opens the dcdc converter of battery pack 2/3/4 and is at charge mode with right
Battery pack 2/3/4, which charge, simultaneously switches off the dcdc converter of battery pack 1.The state of charge of real time monitoring battery pack is filled
There is situation about overcharging to prevent battery pack in the control of electric process.
2nd, when monitoring the ac power circuit electricity shortage, the battery cell monitoring host is used to monitor the battery pack
State of charge, control the dcdc converter by the battery pack in energy-storage units put into the uninterruptible power system with it is described
Ac power circuit is all that the server node is powered；When the electricity for monitoring the battery pack is less than preset value, control
It makes the dcdc converter and cuts off corresponding battery pack, other described battery packs is controlled to increase output power to meet the service
Device node carries out power demand.
Such as：During control, minimum predetermined value 5% is set for the state of charge of battery pack, when some battery pack
State of charge when being less than 5%, i.e. the state of charge of battery pack is poor, cuts off the battery pack, controls other described battery packs increasings
Add output power and carry out power demand to meet the server node.
3rd, when the monitoring ac power circuit electricity shortage, while the electricity for monitoring the battery pack is less than preset value
When, the battery cell monitoring host is used to control the server node load factor, closes unnecessary process, and described in control
Dcdc converter charges for the battery pack.Such as：Ac power circuit deficiency is server node normal power supply, and is examined
, it is necessary to control server node load factor in the case of the state of charge of battery pack in each energy-storage units is surveyed already below 5%
Restraining, closes unnecessary process, and dcdc converter is controlled to charge for the battery pack, to ensure power supply reliability,
Avoid when ac power circuit can not power and the state of charge of battery pack not in time deposit have enough electricity that can not also carry out
The situation of backup.
4th, when monitoring the ac power circuit power-off, the battery cell monitoring host monitors the battery pack for monitoring
State of charge, control the dcdc converter that the battery pack in all energy-storage units is put into the uninterruptible power system to be
The server node carries out backup；When the electricity for monitoring the battery pack in one of energy-storage units is less than preset value
When, the dcdc converter is controlled to cut off corresponding current supply circuit, other described battery packs is controlled to increase output power to meet
The server node carries out power demand.Such as：It is right during control when monitoring the ac power circuit power-off
In the state of charge of battery pack, minimum predetermined value 5% is set, when the state of charge of some battery pack is less than 5%, i.e. battery pack
State of charge it is poor, cut off the battery pack, while other described battery packs controlled to increase output powers to meet the service
Device node carries out power demand.
In the embodiment of the present invention, when battery cell monitoring host supervision battery state-of-health is in the event of failure, according to each institute
The battery data information for stating distributed battery determines abort situation, and carries out fault alarm；Control the battery to break down
The branch of group disconnects, and other described battery packs is controlled to increase output power and carry out electricity consumption need to meet the server node
It asks.
When monitoring ac power circuit power-off or electricity shortage, can be made according to the health status of battery pack by battery pack
For emergency electric supply unit, data center server power supply is continued as, so as to fulfill the uninterrupted power supply to data center server；
As it can be seen that by the way that in ac power circuit power-off or electricity shortage, standby is carried out using battery pack as ac power circuit is taken over
The stand-by equipment of power supply solves and asking for data center server shutdown is directly resulted in due to unique reserve battery breaks down
Topic effectively increases the reliability of electric power system.
It is worth noting that, when data center is multi-level structure, monitoring server 105 can perform above-mentioned reality at this time
1062 function of battery cell monitoring host in example is applied, is supplied respectively with the ac power circuit, the module for power supply circuit, the redundancy
Circuit and dcdc converter communication connection, and corresponding supervisory function bit is played, in view of length reason, does not do superfluous herein
It states.
In the embodiment of the present invention, with reference to shown in Fig. 1, powered off or during electricity shortage when monitoring ac power circuit 101, battery
Monitoring host computer can be set according to the state of charge of battery pack as progress the spare of backup of ac power circuit 101 is taken over
It is standby, it solves the problems, such as to directly result in data center server shutdown due to unique reserve battery breaks down, and then improves
The reliability of electric power system, avoids power failure.
Preferably, the communication uses 433M wireless modes, Sub 1G communications, WIFI is wireless
Communication mode, Bluetooth wireless communication mode.
In the present invention, data analysis and detection for distributed battery mainly include：Battery connecting fault, charge and discharge
Failure, cell degradation etc..The connecting fault of distributed battery and charge and discharge electric fault are judged by real time data, establish history number
According to archives, and pass through the health status of charge and discharge process and historical data archives estimation battery pack.For the peace of distributed battery
Full reliability service directly affects the normal operation of system, if improper use or cannot safeguard in time, may result in some energy storage electricity
It fails on road.
Data center provided by the invention with distributed battery monitoring system, can realize the fortune to distributed battery
Row status real time monitor monitors voltage, charging and discharging currents and environment temperature of battery etc. in real time.System automatically saves monitoring data
It is inquired about for scene, by carrying out data analysis and process to monitoring data, the performance change trend of battery is predicted, by periodic inspection
It is changed into repair based on condition of component, realizes automation to battery management and scientific.
A kind of data center with distributed battery monitoring system provided by the invention should have distributed electrical cell monitoring
It is that every batteries configure a battery acquisition module in the data center of system, for gathering the electricity such as cell voltage, electric current, temperature
Pond data message wirelessly carries out data transmission between battery acquisition module and battery cell monitoring host, when the data
When center is stereoscopic multi-layer level structure, battery cell monitoring host is by wired communication mode by the battery data information of distributed battery
It is uploaded to monitoring server.Battery cell monitoring host or monitoring server be used to receive the cell number of battery acquisition module transmission it is believed that
Breath, and mathematical statistics calculating and analysis are carried out to the battery data information of the distributed battery in same battery pack to determine battery
The health status of group, battery cell monitoring host or monitoring server are additionally operable to summarize, show all battery data information, according to electricity
The health status of pond group provides the maintenance opinion of each battery pack, improves monitoring accuracy and detection effect that distributed battery is safeguarded
Rate reduces workload.
According to above-described embodiment, all detected distributions can be carried out on battery cell monitoring host or battery cell monitoring host
The battery data information of formula battery summarizes and shows, specifically, illustrating by taking one group of battery pack as an example, the voltage of the battery pack
The real-time normal distribution of voltage of distribution as shown in figure 4, according to Fig. 4 the battery pack voltage real-time data analysis situation
It is as follows：
| Maximum | Minimum | It is very poor | Average value | Variance | |
| Numerical value | 4.2V | 0.3V | 3.9 | 2.6V | 0.24 |
| Battery is numbered | #6 | #27, #167 |
As shown in Fig. 5 and upper table, battery variance δ=0.49, for representing the discrete type of whole group battery parameter, variance is got over
Greatly, the discrete type of this group of battery relevant parameter is bigger, and for battery pack, the parameter value of same group of battery is closer, whole group electricity
The performance in pond is better.Therefore, variance is bigger, represents that the performance of whole group battery is poorer.
It is expected μ=2.6V, represent distribution center's point of this group of battery parameter, it is expected to should be at normal battery operation scope
It is interior, it is expected more remote from the normal operating value of battery, then the working condition of whole group battery is poorer.
It is very poor：The difference of maximum and minimum, very poor smaller, then whole group battery parameter is more concentrated, more favourable to system.
Within a certain period of time, for very poor curve closer to zero axle, system performance is better, is battery pack in some period as shown in Fig. 5
2 variance curve figure.
The data center provided by the present invention with distributed battery monitoring system is described in detail above.It says
Each embodiment is described by the way of progressive in bright book, and the highlights of each of the examples are the differences with other embodiment
Part, just to refer each other for identical similar portion between each embodiment.For device disclosed in embodiment, due to its with
Method is corresponding disclosed in embodiment, so description is fairly simple, reference may be made to the description of the method.It should refer to
Go out, it for those skilled in the art, without departing from the principle of the present invention, can also be to the present invention
Some improvement and modification can also be carried out, these improvement and modification are also fallen into the protection domain of the claims in the present invention.
It should also be noted that, in the present specification, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only include that
A little elements, but also including other elements that are not explicitly listed or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except also there are other identical elements in the process, method, article or apparatus that includes the element.
Claims (10)
1. a kind of data center with distributed battery monitoring system, applied to uninterruptible power system, which is characterized in that institute
Uninterruptible power system is stated, including：Ac power circuit, multiple module for power supply circuits, multiple accumulators and multiple redundancies supply
Circuit and multiple redundancy accumulators, wherein：The input terminal of each module for power supply circuit respectively with the Alternating Current Power Supply
The output terminal of circuit is connected, and the output terminal of each module for power supply circuit is connected respectively with all server nodes, each
Output terminal of the input terminal of the redundant power supply circuit respectively with the ac power circuit is connected, each redundant power supply electricity
The output terminal on road is connected respectively with all server nodes, and the accumulator and the redundancy accumulator include：Energy storage
Unit and dcdc converter, the energy-storage units include：At least one battery pack, the battery pack include at least one distribution
Battery, the data center with distributed battery monitoring system include：At least one battery monitor system, the battery prison
Control system includes：Battery acquisition module and battery cell monitoring host, wherein：
The battery acquisition module is connected by the pole of conducting wire and distributed battery, and the battery acquisition module and described point
The quantity of cloth battery is identical, and the battery cell monitoring host is connected with the battery acquisition module by communication；
The battery acquisition module is used to gather the battery data information of the distributed battery, the battery data packet
It includes：Cell voltage, battery current and battery temperature；
The battery cell monitoring host is used to receive the battery data information that the battery acquisition module is sent, and to same electricity
The battery data information of distributed battery in the group of pond carries out mathematical statistics calculating and analysis to determine the health of the battery pack
Situation, the health status of the battery pack include fault-free and faulty.
2. the data center according to claim 1 with distributed battery monitoring system, which is characterized in that the battery
Monitoring host computer also respectively with the ac power circuit, the module for power supply circuit, the redundant power supply circuit and the DCDC
Converter communicates to connect, and the battery cell monitoring host is used for：
Monitor the ac power circuit, the module for power supply circuit, the power supply state of the redundant power supply circuit and described
The state of charge of battery pack controls the power supply strategy of the battery pack.
3. the data center according to claim 2 with distributed battery monitoring system, which is characterized in that when the electricity
Battery state-of-health described in cell monitoring host supervision is fault-free, and monitor ac power circuit power supply it is sufficient when, institute
Battery cell monitoring host is stated to be used for：
State of charge of battery pack according to where the battery data information of each distributed battery determines it, such as battery pack
Electricity is not up to predetermined value, then the ac power circuit is controlled to remove and is normally powered for the server node, while according to institute
The state of charge for stating battery pack controls the dcdc converter to charge for battery pack.
4. the data center according to claim 2 with distributed battery monitoring system, which is characterized in that when the electricity
Battery state-of-health described in cell monitoring host supervision is fault-free, and during the monitoring ac power circuit electricity shortage, institute
Battery cell monitoring host is stated to be used for：
The state of charge of the battery pack is monitored, controls the dcdc converter that battery pack is put into the uninterruptible power system
It is all that the server node is powered with the ac power circuit；
When the electricity for monitoring battery pack is less than preset value, the dcdc converter is controlled to cut off corresponding battery pack, controls it
His battery pack increases output power and carries out power demand to meet the server node.
5. the data center according to claim 2 with distributed battery monitoring system, which is characterized in that when the electricity
Battery state-of-health described in cell monitoring host supervision is fault-free, and monitors the ac power circuit electricity shortage, simultaneously
When monitoring the electricity of the battery pack less than preset value, the battery cell monitoring host is used for：
The server node load factor is controlled, closes unnecessary process, and it is the battery to control the dcdc converter
Group charges.
6. the data center according to claim 2 with distributed battery monitoring system, which is characterized in that when the electricity
Battery state-of-health described in cell monitoring host supervision is fault-free, and when monitoring ac power circuit power-off, the electricity
Cell monitoring host is used for：
The state of charge of the battery pack is monitored, controls the dcdc converter that the battery pack in all energy-storage units is put into institute
It states uninterruptible power system and carries out backup for the server node；
When the electricity for monitoring the battery pack in one of energy-storage units is less than preset value, the dcdc converter is controlled to cut off
Corresponding current supply circuit controls other described battery packs to increase output power and carries out electricity consumption need to meet the server node
It asks.
7. the data center according to claim 2 with distributed battery monitoring system, which is characterized in that when the electricity
Battery state-of-health described in cell monitoring host supervision is faulty, and the battery cell monitoring host is used for：
Abort situation is determined according to the battery data information of each distributed battery, and carries out fault alarm.
8. the data center according to claim 7 with distributed battery monitoring system, which is characterized in that when the electricity
Battery state-of-health described in cell monitoring host supervision is faulty, and the battery cell monitoring host is used for：
The branch of the battery pack to break down is controlled to disconnect, and increases the output power of other battery packs to meet
It states server node and carries out power demand.
9. a kind of data center with distributed battery monitoring system, which is characterized in that the data center is stereoscopic multi-layer
Level structure, including multiple monohierarchy data centers, each monohierarchy data center includes：Battery acquisition module and battery cell monitoring master
Machine, wherein：
The battery acquisition module is connected by the pole of conducting wire and distributed battery, and the battery acquisition module and described point
The quantity of cloth battery is identical, and the battery cell monitoring host is connected with the battery acquisition module by communication；
The battery acquisition module is used to gather the battery data information of the distributed battery, the battery data packet
It includes：Cell voltage, battery current and battery temperature；
The battery cell monitoring host of each monohierarchy data center is connected by way of wire communication with the monitoring server；
The battery cell monitoring host or monitoring server be used to receiving the cell number that the battery acquisition module sends it is believed that
Breath, and mathematical statistics calculating and analysis are carried out to the battery data information of the distributed battery in same battery pack to determine
The health status of the battery pack, the health status of the battery pack include fault-free and faulty.
10. the data center according to claim 9 with distributed battery monitoring system, which is characterized in that the electricity
Pond acquisition module includes：Power circuit, voltage acquisition unit, current acquisition unit, temperature collecting cell and wireless transmission mould
Block, wherein：
The power circuit is used to provide power supply for the battery acquisition module；
The voltage acquisition unit is used to gather the cell voltage of the distributed battery；
The current acquisition unit is used to gather the battery current of the distributed battery；
The temperature collecting cell is used to gather the battery temperature of the distributed battery；
The wireless sending module is used to the cell voltage, battery current and battery temperature of the distributed battery passing through nothing
Line communication mode is sent to the battery cell monitoring host；
The battery cell monitoring host includes：Data reception module and data transmission blocks, wherein：
The data reception module is used to receive the battery data information of the distributed battery by communication；
The data transmission blocks are used for the cell number of the distributed battery through the ICP/IP protocol in the LAN
It is believed that breath is uploaded to the monitoring server.
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