CN108695568A - A kind of battery cell monitoring management system - Google Patents
A kind of battery cell monitoring management system Download PDFInfo
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- CN108695568A CN108695568A CN201810481775.3A CN201810481775A CN108695568A CN 108695568 A CN108695568 A CN 108695568A CN 201810481775 A CN201810481775 A CN 201810481775A CN 108695568 A CN108695568 A CN 108695568A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 32
- 238000004891 communication Methods 0.000 claims abstract description 40
- 239000004065 semiconductor Substances 0.000 claims description 147
- 239000003381 stabilizer Substances 0.000 claims description 21
- 238000005070 sampling Methods 0.000 claims description 17
- 230000005611 electricity Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 abstract 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 11
- 229910052744 lithium Inorganic materials 0.000 description 11
- 238000010586 diagram Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- 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
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
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- H02J7/0026—
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00306—Overdischarge protection
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to a kind of battery cell monitorings to manage system, including:Multiple battery assembly modules, each battery assembly module include current state information for sending battery assembly module and warning information and receive the wireless communication module for the control information that Cloud Server issues;Cloud Server respectively with multiple battery assembly modules communication connection, for receive and store wireless communication module transmission current state information and warning information, and issue control information to multiple battery assembly modules Cloud Server;It is connect with Cloud Server, current state information and warning information for receiving multiple battery assembly modules that Cloud Server is sent, and sends control information to the management terminal of Cloud Server.The present invention can simultaneously be monitored multiple battery packs, it is communicated using wireless mode, expands the placing range of battery pack, user can monitor battery pack whenever and wherever possible, the safety that battery pack uses is greatly improved, and whole system is at low cost, stability is good.
Description
Technical field
The present invention relates to field of batteries, and system is managed more specifically to a kind of battery cell monitoring.
Background technology
Demand with the development of technology, lithium battery become the main application of battery industry.And the quality of lithium battery is directly
Influence the quality and working efficiency of entire power supply system.So the monitoring of the instantaneous operating conditions and performance to lithium battery
As necessity.
Currently, the monitoring of the instantaneous operating conditions and performance to lithium battery realizes long-range number generally by the mode of bluetooth
According to sending and receive, and bluetooth monitoring scheme is there are many problems, when 10 meters or more apart from when, information is unstable, Bu Nengzhun
The instantaneous operating conditions and performance of lithium battery really are known, it is thus impossible to make respective handling in time and be likely to result in lithium electricity
Pond performance declines or damage, influences the overall performance and efficiency of power supply system, even shortens the service life of lithium battery;Or it is remote
Distance reduces the interactive performance of battery, Bu Nengzhen because certain factor needs but to cannot achieve when interim control battery pack output
The positive monitoring and management realized to lithium battery.
Invention content
The technical problem to be solved in the present invention is, for the drawbacks described above of the prior art, provides a kind of battery cell monitoring pipe
Reason system.
The technical solution adopted by the present invention to solve the technical problems is:A kind of battery cell monitoring management system is constructed, including:
Multiple battery assembly modules, each described battery assembly module include the current shape for sending the battery assembly module
State information and warning information and the wireless communication module for receiving the control information that Cloud Server issues;
The Cloud Server is respectively with the communication connection of the multiple battery assembly module, for receiving and storing the channel radio
Believe the current state information and warning information that module is sent, and the cloud for issuing control information to the multiple battery assembly module takes
Business device;
It is connect with the Cloud Server, for receiving the current of the multiple battery assembly module that the Cloud Server is sent
Status information and warning information, and the control information is sent to the management terminal of the Cloud Server.
Preferably, the wireless communication module includes 2G wireless communication modules, 3G wireless communication modules, 4G radio communication molds
Block, 5G wireless communication modules or WIFI wireless communication modules.
Preferably, each described battery assembly module further includes:
Battery pack for providing electric energy;
It is connect with the battery pack, the current state information for acquiring the battery pack and to the current state information
It is handled, the controller of warning information is exported according to handling result;
The controller is additionally operable to receive control information that the Cloud Server issues simultaneously by the wireless communication module
Control instruction is exported according to the control information.
Preferably, each described battery assembly module further includes:
It is connect respectively with the digital signal acquiring pin of the battery pack and the controller, for detecting the battery pack
Current Temperatures information, and the Current Temperatures information is sent to the battery core voltage temperature Acquisition Circuit of the controller.
Preferably, each described battery assembly module further includes:
With the concatenated current sampling resistor of the battery pack;
It is connected in parallel on the current sampling resistor both ends and is connect, with the current value of controller sampling pin for acquiring
The current sampling circuit of the battery pack current.
Preferably, each described battery assembly module further includes:Electric discharge metal-oxide-semiconductor MD and electric discharge MOS control circuits;
The source electrode of the electric discharge metal-oxide-semiconductor MD connects the negative terminal of the battery pack by the current sampling resistor, described to put
The drain electrode of electric metal-oxide-semiconductor MD connects the negative terminal of the battery assembly module, and the grid of the electric discharge metal-oxide-semiconductor MD passes through the electric discharge MOS
Control circuit connects the electric discharge MOS controlling switch of the controller.
Preferably, the electric discharge MOS control circuits include:Resistance R1, metal-oxide-semiconductor Q1, resistance R2, diode D1, resistance R3,
Resistance R4, resistance R5, metal-oxide-semiconductor Q2, voltage-stabiliser tube Z1, resistance R6, resistance RD, metal-oxide-semiconductor Q3, resistance R7, metal-oxide-semiconductor Q4 and resistance
R9;
The first end of the resistance R1 connect with the source electrode of the metal-oxide-semiconductor Q1 and connects driving voltage VGS, the resistance R1
Second end be separately connected the metal-oxide-semiconductor Q1 grid and the resistance R2 first end, the second end of the resistance R2 passes through
The resistance R3 connects the grid of the metal-oxide-semiconductor Q2;The drain electrode of the metal-oxide-semiconductor Q1 connects the anode of the diode D1, described
The cathode of diode D1 connects the first end of the resistance R4, and the second end of the resistance R4 is separately connected the of the resistance R5
The drain electrode of one end and the metal-oxide-semiconductor Q2, the source electrode of the metal-oxide-semiconductor Q2 connect the source electrode of the electric discharge metal-oxide-semiconductor MD;
The second end of the resistance R5 connects the grid of the electric discharge metal-oxide-semiconductor MD, is put described in the cathode of the voltage-stabiliser tube Z1
The grid of electric metal-oxide-semiconductor MD, the voltage-stabiliser tube Z1 anode connect the source electrode of the electric discharge metal-oxide-semiconductor MD, the first of the resistance R6
The grid of the electric discharge metal-oxide-semiconductor MD, the second end of the resistance R6 is held to connect the source electrode of the electric discharge metal-oxide-semiconductor MD;The resistance
RD is connected between the second end of the resistance R5 and the grid of the electric discharge metal-oxide-semiconductor MD;
The drain electrode of the metal-oxide-semiconductor Q3 connects the connecting node of the resistance R2 and resistance R3, and the source electrode of the metal-oxide-semiconductor Q3 connects
Ground, the grid of the metal-oxide-semiconductor Q3 connect the drain electrode of the metal-oxide-semiconductor Q4, and the grid of the metal-oxide-semiconductor Q3 is also connect by the resistance R7
Ground;The source electrode of the metal-oxide-semiconductor Q4 is grounded, and the grid of the metal-oxide-semiconductor Q4 is grounded by the resistance R9, the grid of the metal-oxide-semiconductor Q3
The connecting node of the drain electrode of pole and the metal-oxide-semiconductor Q4 is additionally coupled to the electric discharge MOS controlling switch of the controller.
Preferably, each described battery assembly module further includes:Charge metal-oxide-semiconductor MC and charging MOS control circuits;
The drain electrode of the drain electrode connection electric discharge metal-oxide-semiconductor MD of the charging metal-oxide-semiconductor MC, the source electrode of the charging metal-oxide-semiconductor MC
The negative terminal of the battery assembly module is connected, the grid connection of the charging metal-oxide-semiconductor MC connects institute by the charging control circuit
State the charging MOS controlling switch of controller.
Preferably, the charging MOS control circuits include:Resistance R10, resistance R11, metal-oxide-semiconductor Q6, resistance R12, metal-oxide-semiconductor
Q5, diode D2, diode D3, resistance R13, resistance R14, triode Q7, resistance R15, resistance R16, resistance R17, voltage-stabiliser tube
Z2 and resistance RC;
The second end of first end connection the driving voltage VGS, the resistance R10 of the resistance R10 connect the metal-oxide-semiconductor Q5
Grid and the resistance R11 first end connecting node;The second end of the resistance R11 connects the leakage of the metal-oxide-semiconductor Q6
Pole, the source electrode ground connection of the metal-oxide-semiconductor Q6, the grid of the metal-oxide-semiconductor Q6 are grounded by the resistance R12, the grid of the metal-oxide-semiconductor Q6
Pole is also connected with the charging MOS controlling switch of the controller;
The drain electrode of source electrode connection the driving voltage VGS, the metal-oxide-semiconductor Q5 of the metal-oxide-semiconductor Q5 connect the diode D2's
Anode, the cathode of the diode D2 connect the anode of the diode D3, the cathode and the diode of the diode D2
The connecting node of the anode of D3 also by passing sequentially through the resistance R15, resistance R16 connect the source electrode of the charging metal-oxide-semiconductor MC,
The connecting node of the resistance R15 and the resistance R16 are also connected with the base stage of the triode Q7;
The cathode of the diode D3 connects the emitter of the triode Q7, the triode by the resistance R13
The collector of Q7 connects the source electrode of the charging metal-oxide-semiconductor MC, and the emitter of the triode and Q7 also pass through the resistance R14 and connects
Connect the grid of the charging metal-oxide-semiconductor MC;
The cathode of the voltage-stabiliser tube Z2 connects the grid of the charging metal-oxide-semiconductor MC, and the anode of the voltage-stabiliser tube Z2 connects institute
The source electrode of charging metal-oxide-semiconductor MC is stated, the resistance R17 is connected in parallel on the both ends of the voltage-stabiliser tube Z2;The resistance RC is connected on described
Between the second end of resistance R14 and the grid of the charging metal-oxide-semiconductor MC.
Preferably, each described battery assembly module further includes:It is connected in parallel on the both ends of the current sampling resistor and difference
The short circuit over-current protection circuit being connect with the electric discharge MOS control circuits and the controller.
The battery cell monitoring for implementing the present invention manages system, has the advantages that:The present invention can be simultaneously to multiple batteries
Packet is monitored, and is communicated using wireless mode, and the placing range of battery pack is expanded, and user can monitor whenever and wherever possible
Battery pack greatly improves the safety that battery pack uses, and whole system is at low cost, stability is good.
In addition, the present invention can also send warning information to long-range before exception occurs in the current state information of battery pack
Management terminal allows user to know in advance and makes respective handling, avoids causing harmful effect to battery pack, improves battery pack
Service life and safety.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is a kind of structural schematic diagram of battery cell monitoring management system provided in an embodiment of the present invention;
Fig. 2 is the circuit diagram of battery assembly module of the present invention;
Fig. 3 is the schematic diagram of the electric discharge MOS control circuits in battery assembly module of the present invention;
Fig. 4 is the schematic diagram of the charging MOS control circuits in battery assembly module of the present invention.
Specific implementation mode
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
The specific implementation mode of the present invention.
With reference to figure 1, Fig. 1 is the structural schematic diagram that a kind of battery cell monitoring of the present invention manages one preferred embodiment of system.
As shown in Figure 1, the battery cell monitoring manages system, including:Multiple battery assembly modules 100, respectively with multiple battery
The Cloud Server 200 and management terminal 300 that group unit 100 communicates to connect.
Optionally, in multiple battery assembly module 100, each battery assembly module 100 includes for sending battery pack list
The current state information and warning information of member 100 and the wireless communication module for receiving the control information that Cloud Server 200 issues
104。
Current state information includes current voltage information, the battery pack of the battery cell in each battery assembly module 100
The present discharge level-one software current information of unit 100, the two grade software and hardware current information of present discharge of battery assembly module 100,
The present discharge two level hardware current information of battery assembly module 100, the current charging current information of battery assembly module 100 and
The Current Temperatures information of battery assembly module 100, current electric quantity information of battery assembly module 100 etc..
In embodiments of the present invention, local monitoring in real time is voluntarily carried out by each battery assembly module 100, and in current shape
When state information reaches early-warning conditions, warning information is generated, and by the current shape of generated warning information and battery assembly module 100
Module 104 is sent to Cloud Server 200 to state information by radio communication, with by Cloud Server 200 by battery assembly module 100
Current state information, warning information are sent to remote terminal, so that user can predict the current shape of battery assembly module 100 in advance
State information, and respective handling is made according to current state information in time.
Further, when the current state information of battery assembly module 100 reaches self-shield condition, battery pack of the invention
Unit 100 can also voluntarily locally carry out self-protection, can faster, more quickly protect battery.
Alternatively, wireless communication module 104 includes but not limited to 2G wireless communication modules 104,3G wireless communication modules
104,4G wireless communication modules 104,5G wireless communication modules 104 or WIFI wireless communication modules 104.Pass through the wireless communication
Module 104 is, it can be achieved that battery pack Unit 101 is connect with the wireless communication of Cloud Server 200.Moreover, for no wireless signal
Place, for example, the not place of WIFI signal, battery assembly module 100 can emit a WIFI signal, management terminal automatically
300 can realize the connection with battery assembly module 100 by the WIFI signal that battery assembly module 100 emits, and then realize to electricity
The real time monitoring of the current state information of pond group unit 100.Specifically, the radio communication mold of the battery assembly module 100 of the present invention
Block 104 could be provided as ap mode or Station patterns, to realize the connection with management terminal 300, not need additional
WIFI module.If 100 place environment of battery assembly module is not covered with wireless signal, can automatically it be sent out by battery assembly module 100
A WIFI signal is penetrated, user realizes the connection with battery assembly module 100 by the WIFI signal, and then realizes to battery pack list
The real time monitoring of the current state information of member 100.
As shown in Figure 2, it is alternatively that, in the embodiment of the present invention, each battery pack Unit 101 further includes battery pack 101
With master controller 103.
The battery pack 101 is for providing electric energy.Optionally, which is lithium battery group, and the lithium battery group includes
Multiple concatenated lithium battery monomers.
The master controller 103 is connect with the battery pack 101, for monitoring and managing the battery pack 101 in real time.Specifically,
The master controller 103 can be used for acquiring the current state information of the battery pack 101 in real time, and to the current of the battery pack 101
Status information is handled, and warning information is exported according to handling result.The master controller 103 is additionally operable to according to wireless communication module
The control information that 104 Cloud Servers 200 received issue exports corresponding control instruction, and then controls the output of battery pack 101.
In other words, which can execute local monitoring operation automatically according to the current state information of battery pack 101, and
Warning information is generated when current state information reaches early-warning conditions or is produced when current state information reaches self-protection condition
Raw self-protection instructs the control information that can also be issued according to Cloud Server 200 to realize the self-protection to battery pack 101
The output for generating control instruction control battery pack 101, to realize remote control operation.
For example, if the current state information of battery assembly module 100 is the current electric quantity information and present discharge of battery pack 101
Multiplying power, then master controller 103 can calculate the battery pack according to the current electric quantity information and present discharge multiplying power of battery pack 101
101 pot life, the off-capacity of the battery pack that gives warning in advance 101.If alternatively, the current state information of battery assembly module 100
For the current voltage information and current voltage change rate of battery pack 101, then master controller 103 can working as according to battery pack 101
Preceding information of voltage and current voltage change rate calculate under-voltage time and over-pressed time, the battery pack that gives warning in advance 101 under-voltage and
Overvoltage prevents the battery pack 101 caused by overcharging or overdischarging of battery pack 101 from protecting.If alternatively, battery assembly module 100
Current state information is the Current Temperatures change rate and Current Temperatures of battery pack 101, then master controller 103 is according to battery pack 101
Current Temperatures change rate and Current Temperatures calculate high temperature protection and low-temperature protection time, improve the height of early warning battery pack 101
Warm guard time and low-temperature protection time prevent the battery pack 101 caused by high temperature or low temperature of battery pack 101 from protecting.If alternatively,
The current state information of battery assembly module 100 is the current flow information of battery pack 101, then master controller 103 can be according to electricity
The current flow information of pond group 101 judges whether current flow reaches electric current threshold value of warning, if so, generating warning information and leading to
It crosses Cloud Server 200 and is sent to management terminal 300, to prompt user, reduce the battery pack caused by electric current and protect.
Alternatively, battery assembly module 100 of the invention further includes:Connect respectively with battery pack 101 and master controller 103
It connects, the Current Temperatures information for detecting battery pack 101, and Current Temperatures information is sent to the battery core electricity of master controller 103
Press temperature collection circuit 102.Optionally, which can be realized by operational amplifier to electricity
The temperature acquisition of battery cell in pond group 101, and carry out being sent to master controller 103 after converting accordingly, by master controller 103
It handled, judged and is controlled according to current temperature information.Or the battery core voltage temperature Acquisition Circuit 102 can also pass through
AFE(analog front end) (chip) realizes the temperature acquisition to battery cell in battery pack 101.Usually, in specific circuit design,
Operational amplifier can be selected when the negligible amounts of battery cell in battery pack 101 to realize, when battery cell in battery pack 101
Then AFE(analog front end) is selected to realize when quantity is more, and then calculation process efficiency can be promoted.Certainly, battery core voltage temperature of the invention
Degree Acquisition Circuit 102 is not limited to above-mentioned specific example.
Further, as shown in Fig. 2, battery pack Unit 101 further includes:With battery pack 101 concatenated current sample electricity
Resistance;
It is connected in parallel on current sampling resistor both ends and is connect with master controller 103, the electric current for acquiring 101 electric current of battery pack
Sample circuit 105.Optionally, which can realize the electric current to flowing through current sampling resistor by A/DC
Real-time acquisition, and be converted to corresponding data and be sent to master controller 103.Specifically, what current sampling circuit 105 was acquired
Electric current samples pin by the current value of master controller 103 and accesses master controller 103, so that master controller 103 receives and monitors.
Battery pack Unit 101 can also include electric discharge metal-oxide-semiconductor MD and electric discharge MOS control circuits 106.
The source electrode of electric discharge metal-oxide-semiconductor MD passes through the negative terminal (B-) that current sampling resistor connects battery pack 101, electric discharge metal-oxide-semiconductor MD
Drain electrode connection battery assembly module 100 negative terminal (P-), the grid of electric discharge metal-oxide-semiconductor MD passes through MOS control circuits 106 of discharging and connects
The electric discharge MOS controlling switch of master controller 103.
In a specific embodiment, as shown in figure 3, electric discharge MOS control circuits 106 include resistance R1, metal-oxide-semiconductor Q1,
Resistance R2, diode D1, resistance R3, resistance R4, resistance R5, metal-oxide-semiconductor Q2, voltage-stabiliser tube Z1, resistance R6, resistance RD, metal-oxide-semiconductor Q3,
Resistance R7, metal-oxide-semiconductor Q4 and resistance R9.
The first end of resistance R1 connect with the source electrode of metal-oxide-semiconductor Q1 and connects driving voltage VGS, the second end difference of resistance R1
Connect the first end of the grid and resistance R2 of metal-oxide-semiconductor Q1, the grid that the second end of resistance R2 passes through resistance R3 connection metal-oxide-semiconductors Q2;
The anode of the drain electrode connection diode D1 of metal-oxide-semiconductor Q1, the first end of the cathode connection resistance R4 of diode D1, the second of resistance R4
End is separately connected the drain electrode of the first end and metal-oxide-semiconductor Q2 of resistance R5, the source electrode of the source electrode connection electric discharge metal-oxide-semiconductor MD of metal-oxide-semiconductor Q2.
The grid (DGS in such as Fig. 3) of the second end connection electric discharge metal-oxide-semiconductor MD of resistance R5, the cathode connection of voltage-stabiliser tube Z1
The source electrode of the grid of electric discharge metal-oxide-semiconductor MD, the anode connection electric discharge metal-oxide-semiconductor MD of voltage-stabiliser tube Z1, the first end connection electric discharge of resistance R6
The grid of metal-oxide-semiconductor MD, the source electrode of the second end connection electric discharge metal-oxide-semiconductor MD of resistance R6;Resistance RD is connected on the second end of resistance R5
Between the grid of electric discharge metal-oxide-semiconductor MD.
The connecting node of drain electrode connection the resistance R2 and resistance R3 of metal-oxide-semiconductor Q3, the source electrode ground connection of metal-oxide-semiconductor Q3, metal-oxide-semiconductor Q3's
Grid connects the drain electrode of metal-oxide-semiconductor Q4, and the grid of metal-oxide-semiconductor Q3 is also grounded by resistance R7;The source electrode of metal-oxide-semiconductor Q4 is grounded, metal-oxide-semiconductor Q4
Grid be grounded by resistance R9, the connecting node of the drain electrode of the grid and metal-oxide-semiconductor Q4 of metal-oxide-semiconductor Q3 is additionally coupled to master controller
103 electric discharge MOS controlling switch.
The battery assembly module 100 further includes charging metal-oxide-semiconductor MC and charging MOS control circuits 107.
Draining for metal-oxide-semiconductor MC of charging connects the drain electrode of electric discharge metal-oxide-semiconductor MD, and the source electrode of charging metal-oxide-semiconductor MC connects battery pack list
The grid connection of the negative terminal (B-) of member 100, charging metal-oxide-semiconductor MC connects the charging MOS controls of master controller 103 by charging control circuit
Pin processed.
In a specific embodiment, as shown in figure 4, the charging metal-oxide-semiconductor MC control circuits include:Resistance R10, resistance
R11, metal-oxide-semiconductor Q6, resistance R12, metal-oxide-semiconductor Q5, diode D2, diode D3, resistance R13, resistance R14, triode Q7, resistance
R15, resistance R16, resistance R17, voltage-stabiliser tube Z2 and resistance RC.
The first end of resistance R10 connects driving voltage VGS, the grid and resistance of the second end connection metal-oxide-semiconductor Q5 of resistance R10
The connecting node of the first end of R11;The drain electrode of the second end connection metal-oxide-semiconductor Q6 of resistance R11, the source electrode ground connection of metal-oxide-semiconductor Q6, MOS
The grid of pipe Q6 is grounded by resistance R12, and the grid of metal-oxide-semiconductor Q6 is also connected with the charging MOS controlling switch of master controller 103;MOS
The source electrode of pipe Q5 connects master controller 103, the anode of the drain electrode connection diode D2 of metal-oxide-semiconductor Q5, the cathode connection of diode D2
The connecting node of the anode of diode D3, the cathode of diode D2 and the anode of diode D3 also by pass sequentially through resistance R15,
The connecting node of the source electrode of resistance R16 connections charging metal-oxide-semiconductor MC, resistance R15 and resistance R16 are also connected with the base stage of triode Q7.
By the emitter of resistance R13 connecting triodes Q7, the collector of triode Q7 connects to be filled the cathode of diode D3
The source electrode of electric metal-oxide-semiconductor MC, the emitter of triode Q7 is also by the grid of resistance R14 connections charging metal-oxide-semiconductor MC (in such as Fig. 4
CGS);The grid of the cathode connection charging metal-oxide-semiconductor MC of voltage-stabiliser tube Z2, the source electrode of the anode connection charging metal-oxide-semiconductor MC of voltage-stabiliser tube Z2,
Resistance R17 is connected in parallel on the both ends of voltage-stabiliser tube Z2;The first end of resistance RC connects master controller 103, and resistance RC is connected on the electricity
It hinders between the second end of R14 and the grid of the charging metal-oxide-semiconductor MC.
The battery assembly module 100 further include be connected in parallel on current sampling resistor both ends and respectively with electric discharge MOS control circuits
106 short circuit over-current protection circuits 108 connected with the overcurrent shorting pin of master controller 103.
Cloud Server 200 is respectively with the communication connection of multiple battery assembly modules 100, for receiving and storing wireless communication module
104 current state informations sent and warning information, and control information is issued to the Cloud Server of multiple battery packs Unit 101
200.Specifically, Cloud Server 200 can be by being built in each battery assembly module 100 with multiple battery assembly modules 100
Wireless communication module 104 realizes connection.
It is connect with Cloud Server 200, the current shape for receiving multiple battery assembly modules 100 that Cloud Server 200 is sent
State information and warning information, and control information is sent to the management terminal 300 of Cloud Server 200.
Optionally, which can be mobile terminal, such as mobile phone, or desktop computer, notebook etc..
In mobile phone or computer, a corresponding APP can be set, can be realized to the remote of multiple battery assembly modules 100 by the APP
Range monitoring.
The battery assembly module 100 of the present invention can it is local it is direct-connected connect or realized by way of internet connection and
The wireless communication of management terminal 300 connects, and then realizes to the current state information of battery pack 101 in battery assembly module 100
Real time monitoring.In addition, may be implemented simultaneously to form higher the real time monitoring of multiple battery assembly modules 100 by internet
Technical barrier.And wireless communications mode is used, it need not additionally connect up, not limit the placement location of battery assembly module 100,
User can monitor battery pack 101 whenever and wherever possible, greatly improve safety and stability that battery pack 101 uses, and whole
A battery system cost is not high, and stability is good.
Further, master controller 103 of the present invention is efficient power supply chip, used radio communication mold
Chip in block 104 is also the chip of super low-power consumption, during concrete application, can flexibly be used according to different control,
And then reduce and use power consumption, make entire battery pack 101 that can keep network presence for a long time in the case where not charging.Separately
Outside, by local according to the real time status information of battery assembly module 100 carry out calculation process, prejudge in advance be likely to occur it is various
The event threatened is generated to 101 service life of battery pack and safety, generates warning information in advance, and by Cloud Server 200 or directly
The mode received and sent sends management terminal 300, enable the user of management terminal 300 predict in advance battery pack 101 information and and
When make respective handling.
Above example only technical concepts and features to illustrate the invention, its object is to allow person skilled in the art
Scholar can understand present disclosure and implement accordingly, can not limit the scope of the invention.It is all to be wanted with right of the present invention
The equivalent changes and modifications that range is done are sought, the covering scope of the claims in the present invention should all be belonged to.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (10)
1. a kind of battery cell monitoring manages system, which is characterized in that including:
Multiple battery assembly modules, each described battery assembly module include believing for sending the current state of the battery assembly module
Breath and warning information and the wireless communication module for receiving the control information that Cloud Server issues;
The Cloud Server is respectively with the communication connection of the multiple battery assembly module, for receiving and storing the radio communication mold
The current state information and warning information that block is sent, and issue cloud service of the control information to the multiple battery assembly module
Device;
It is connect with the Cloud Server, the current state for receiving the multiple battery assembly module that the Cloud Server is sent
Information and warning information, and the control information is sent to the management terminal of the Cloud Server.
2. battery cell monitoring according to claim 1 manages system, which is characterized in that the wireless communication module include 2G without
Line communication module, 3G wireless communication modules, 4G wireless communication modules, 5G wireless communication modules or WIFI wireless communication modules.
3. battery cell monitoring according to claim 1 manages system, which is characterized in that each described battery assembly module also wraps
It includes:
Battery pack for providing electric energy;
Connect with the battery pack, the current state information for acquiring the battery pack and to the current state information carry out
Processing exports the controller of warning information according to handling result;
The controller is additionally operable to receive the control information and basis that the Cloud Server issues by the wireless communication module
The control information exports control instruction.
4. battery cell monitoring according to claim 3 manages system, which is characterized in that each described battery assembly module also wraps
It includes:
It is connect respectively with the digital signal acquiring pin of the battery pack and the controller, for detecting working as the battery pack
Preceding temperature information, and the Current Temperatures information is sent to the battery core voltage temperature Acquisition Circuit of the controller.
5. battery cell monitoring according to claim 3 manages system, which is characterized in that each described battery assembly module also wraps
It includes:
With the concatenated current sampling resistor of the battery pack;
It is connected in parallel on the current sampling resistor both ends and is connect with the current value of controller sampling pin, is described for acquiring
The current sampling circuit of battery pack current.
6. battery cell monitoring according to claim 5 manages system, which is characterized in that each described battery assembly module also wraps
It includes:Electric discharge metal-oxide-semiconductor MD and electric discharge MOS control circuits;
The source electrode of the electric discharge metal-oxide-semiconductor MD connects the negative terminal of the battery pack, the electric discharge MOS by the current sampling resistor
The drain electrode of pipe MD connects the negative terminal of the battery assembly module, and the grid of the electric discharge metal-oxide-semiconductor MD controls electricity by the electric discharge MOS
Road connects the electric discharge MOS controlling switch of the controller.
7. battery cell monitoring according to claim 6 manages system, which is characterized in that the electric discharge MOS control circuits include:
Resistance R1, metal-oxide-semiconductor Q1, resistance R2, diode D1, resistance R3, resistance R4, resistance R5, metal-oxide-semiconductor Q2, voltage-stabiliser tube Z1, resistance R6,
Resistance RD, metal-oxide-semiconductor Q3, resistance R7, metal-oxide-semiconductor Q4 and resistance R9;
The first end of the resistance R1 connect with the source electrode of the metal-oxide-semiconductor Q1 and connects the of driving voltage VGS, the resistance R1
Two ends are separately connected the first end of the grid and the resistance R2 of the metal-oxide-semiconductor Q1, and the second end of the resistance R2 is described in
Resistance R3 connects the grid of the metal-oxide-semiconductor Q2;The drain electrode of the metal-oxide-semiconductor Q1 connects the anode of the diode D1, two pole
The cathode of pipe D1 connects the first end of the resistance R4, and the second end of the resistance R4 is separately connected the first end of the resistance R5
With the drain electrode of the metal-oxide-semiconductor Q2, the source electrode of the metal-oxide-semiconductor Q2 connects the source electrode of the electric discharge metal-oxide-semiconductor MD;
The second end of the resistance R5 connects the grid of the electric discharge metal-oxide-semiconductor MD, and discharge MOS described in the cathode of the voltage-stabiliser tube Z1
The grid of pipe MD, the voltage-stabiliser tube Z1 anode connect the source electrode of the electric discharge metal-oxide-semiconductor MD, described in the first end of the resistance R6
The grid of electric discharge metal-oxide-semiconductor MD, the second end of the resistance R6 connect the source electrode of the electric discharge metal-oxide-semiconductor MD;The resistance RD series connection
Between the second end and the grid of the electric discharge metal-oxide-semiconductor MD of the resistance R5;
The drain electrode of the metal-oxide-semiconductor Q3 connects the connecting node of the resistance R2 and resistance R3, and the source electrode of the metal-oxide-semiconductor Q3 is grounded,
The grid of the metal-oxide-semiconductor Q3 connects the drain electrode of the metal-oxide-semiconductor Q4, and the grid of the metal-oxide-semiconductor Q3 is also grounded by the resistance R7;
The source electrode of the metal-oxide-semiconductor Q4 is grounded, and the grid of the metal-oxide-semiconductor Q4 be grounded by the resistance R9, the grid of the metal-oxide-semiconductor Q3 with
The connecting node of the drain electrode of the metal-oxide-semiconductor Q4 is additionally coupled to the electric discharge MOS controlling switch of the controller.
8. battery cell monitoring according to claim 6 manages system, which is characterized in that each described battery assembly module also wraps
It includes:Charge metal-oxide-semiconductor MC and charging MOS control circuits;
The drain electrode of the drain electrode connection electric discharge metal-oxide-semiconductor MD of the charging metal-oxide-semiconductor MC, the source electrode connection of the charging metal-oxide-semiconductor MC
The grid connection of the negative terminal of the battery assembly module, the charging metal-oxide-semiconductor MC connects the control by the charging control circuit
The charging MOS controlling switch of device processed.
9. battery cell monitoring according to claim 8 manages system, which is characterized in that the charging MOS control circuits include:
Resistance R10, resistance R11, metal-oxide-semiconductor Q6, resistance R12, metal-oxide-semiconductor Q5, diode D2, diode D3, resistance R13, resistance R14, three
Pole pipe Q7, resistance R15, resistance R16, resistance R17, voltage-stabiliser tube Z2 and resistance RC;
The first end of the resistance R10 connects driving voltage VGS, and the second end of the resistance R10 connects the grid of the metal-oxide-semiconductor Q5
The connecting node of the first end of pole and the resistance R11;The second end of the resistance R11 connects the drain electrode of the metal-oxide-semiconductor Q6, institute
The source electrode ground connection of metal-oxide-semiconductor Q6 is stated, the grid of the metal-oxide-semiconductor Q6 is grounded by the resistance R12, and the grid of the metal-oxide-semiconductor Q6 is also
Connect the charging MOS controlling switch of the controller;
The drain electrode of source electrode connection the driving voltage VGS, the metal-oxide-semiconductor Q5 of the metal-oxide-semiconductor Q5 connect the anode of the diode D2,
The cathode of the diode D2 connects the anode of the diode D3, the sun of the cathode of the diode D2 and the diode D3
The connecting node of pole also by passing sequentially through the resistance R15, resistance R16 connect the source electrode of the charging metal-oxide-semiconductor MC, the electricity
The connecting node of the resistance R15 and resistance R16 is also connected with the base stage of the triode Q7;
The cathode of the diode D3 connects the emitter of the triode Q7 by the resistance R13, the triode Q7's
Collector connects the source electrode of the charging metal-oxide-semiconductor MC, and the triode also connects institute with the emitter of Q7 by the resistance R14
State the grid of charging metal-oxide-semiconductor MC;
The cathode of the voltage-stabiliser tube Z2 connects the grid of the charging metal-oxide-semiconductor MC, is filled described in the anode connection of the voltage-stabiliser tube Z2
The source electrode of electric metal-oxide-semiconductor MC, the resistance R17 are connected in parallel on the both ends of the voltage-stabiliser tube Z2;The resistance RC is connected on the resistance
Between the second end of R14 and the grid of the charging metal-oxide-semiconductor MC.
10. battery cell monitoring according to claim 6 manages system, which is characterized in that each described battery assembly module is also
Including:It is connected in parallel on the both ends of the current sampling resistor and is connect respectively with the electric discharge MOS control circuits and the controller
Short circuit over-current protection circuit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810481775.3A CN108695568B (en) | 2018-05-18 | 2018-05-18 | Battery monitoring management system |
| PCT/CN2019/072526 WO2019218720A1 (en) | 2018-05-18 | 2019-01-21 | Battery monitoring and management system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810481775.3A CN108695568B (en) | 2018-05-18 | 2018-05-18 | Battery monitoring management system |
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Cited By (4)
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| CN109742829A (en) * | 2019-03-12 | 2019-05-10 | 安徽卓越电气有限公司 | Battery management system based on Internet of Things |
| CN110426640A (en) * | 2019-07-29 | 2019-11-08 | 深圳市吉毅创能源科技有限公司 | Smart battery pack monitoring method, system, smart battery pack and storage medium |
| WO2019218720A1 (en) * | 2018-05-18 | 2019-11-21 | 深圳市拓邦锂电池有限公司 | Battery monitoring and management system |
| US10877011B2 (en) | 2016-06-29 | 2020-12-29 | Nexceris, Llc | Systems and methods for monitoring for a gas analyte |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112909357B (en) * | 2021-01-19 | 2022-11-11 | 深圳拓邦股份有限公司 | Battery system data viewing method and system and equipment terminal |
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Also Published As
| Publication number | Publication date |
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| CN108695568B (en) | 2024-05-03 |
| WO2019218720A1 (en) | 2019-11-21 |
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