CN208580818U - A kind of battery cell monitoring management system - Google Patents

A kind of battery cell monitoring management system Download PDF

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Publication number
CN208580818U
CN208580818U CN201820746836.XU CN201820746836U CN208580818U CN 208580818 U CN208580818 U CN 208580818U CN 201820746836 U CN201820746836 U CN 201820746836U CN 208580818 U CN208580818 U CN 208580818U
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China
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resistance
semiconductor
oxide
metal
connects
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黄兵
张锦兵
郑云华
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Shenzhen Frontier Lithium Battery Co Ltd
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Shenzhen Frontier Lithium Battery Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The utility model relates to a kind of battery cell monitoring management systems, it include: multiple battery assembly modules, each battery assembly module includes current state information for sending battery assembly module and warning information and the wireless communication module for receiving 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 the management terminal of control information to Cloud Server.The utility model 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

A kind of battery cell monitoring management system
Technical field
The utility model relates to field of batteries, more specifically to a kind of battery cell monitoring management system.
Background technique
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 instantaneous operating conditions and performance to lithium battery As necessity.
Currently, the monitoring of 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 The decline of pond performance or damage influence the overall performance and efficiency of power supply system, even shorten 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.
Utility model content
The technical problem to be solved by the present invention is in view of the above drawbacks of the prior art, provide a kind of battery prison Control management system.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of battery cell monitoring management system is constructed, Include:
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 send the management terminal of the control information to the Cloud Server.
Preferably, the wireless communication module includes 2G wireless communication module, 3G wireless communication module, 4G wireless communication Module, 5G wireless communication module or WIFI wireless communication module.
Preferably, each described battery assembly module further include:
For providing the battery pack of 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 processing result;
The controller is also used to receive control information that the Cloud Server issues by the wireless communication module simultaneously Control instruction is exported according to the control information.
Preferably, each described battery assembly module further include:
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 include:
With the concatenated current sampling resistor of the battery pack;
It is connected in parallel on the current sampling resistor both ends and 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 include: electric discharge metal-oxide-semiconductor MD and electric discharge MOS control circuit;
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 MOS pipe MD passes through the electric discharge MOS Control circuit connects the electric discharge MOS control pin of the controller.
Preferably, the electric discharge MOS control circuit 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 The second end of R1 is separately connected the grid of the metal-oxide-semiconductor Q1 and the first end of the resistance R2, and the second end of the resistance R2 is logical Cross the grid that the resistance R3 connects the metal-oxide-semiconductor Q2;The drain electrode of the metal-oxide-semiconductor Q1 connects the anode of the diode D1, institute The cathode for stating diode D1 connects the first end of the resistance R4, and the second end of the resistance R4 is separately connected the resistance R5 First end and the metal-oxide-semiconductor Q2 drain electrode, the source electrode of the metal-oxide-semiconductor Q2 connect it is described electric discharge metal-oxide-semiconductor MD source electrode;
The second end of the resistance R5 connects the grid of the electric discharge metal-oxide-semiconductor MD, puts 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 it is described electric discharge MOS pipe MD source electrode, the first of the resistance R6 The grid of the electric discharge metal-oxide-semiconductor MD is held, the second end of the resistance R6 connects 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, the source electrode of the metal-oxide-semiconductor Q3 Ground connection, 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 also passes through the resistance R7 Ground connection;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 metal-oxide-semiconductor Q3's The connecting node of the drain electrode of grid and the metal-oxide-semiconductor Q4 is additionally coupled to the electric discharge MOS control pin of the controller.
Preferably, each described battery assembly module further include: charging metal-oxide-semiconductor MC and charging MOS control circuit;
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 of the charging metal-oxide-semiconductor MC passes through described in charging MOS control circuit connection The charging MOS of controller controls pin.
Preferably, the charging MOS control circuit includes: 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 the resistance R10 connects driving voltage VGS, and the second end of the resistance R10 connects 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 metal-oxide-semiconductor Q6's Grid is also connected with the charging MOS control pin of the controller;
The source electrode of the metal-oxide-semiconductor Q5 connects driving voltage VGS, and the drain electrode of the metal-oxide-semiconductor Q5 connects 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 it is described charging metal-oxide-semiconductor MC source electrode, 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 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 include: be 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 circuit and the controller.
The battery cell monitoring management system for implementing the utility model has the advantages that the utility model can be right simultaneously Multiple battery packs are monitored, and are communicated using wireless mode, and the placing range of battery pack is expanded, and user can be at any time Battery pack is monitored everywhere, greatly improves the safety that battery pack uses, and whole system is at low cost, stability is good.
In addition, the utility model can also be sent before exception occurs in the current state information of battery pack warning information to Remote administration terminal knows user in advance and makes respective handling, avoids causing battery pack adverse effect, improves electricity The service life and safety of pond group.
Detailed description of the invention
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing:
Fig. 1 is a kind of structural schematic diagram of battery cell monitoring management system provided by the embodiment of the utility model;
Fig. 2 is the circuit diagram of the utility model battery assembly module;
Fig. 3 is the schematic diagram of the electric discharge MOS control circuit in the utility model battery assembly module;
Fig. 4 is the schematic diagram of the charging MOS control circuit in the utility model battery assembly module.
Specific embodiment
For a clearer understanding of the technical features, objectives and effects of the utility model, now control attached drawing is detailed Illustrate specific embodiment of the present utility model.
With reference to Fig. 1, Fig. 1 is a kind of structural schematic diagram of one preferred embodiment of battery cell monitoring management system of the utility model.
As shown in Figure 1, the battery cell monitoring management system, comprising: 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, battery assembly module 100 two grade software and hardware current information of present discharge, The present discharge second 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 the utility model embodiment, local real-time monitoring is voluntarily carried out by each battery assembly module 100, and working as When preceding status information reaches early-warning conditions, warning information, and working as generated warning information and battery assembly module 100 are generated Module 104 is sent to Cloud Server 200 to preceding status information by wireless communication, to pass through Cloud Server 200 for battery assembly module 100 current state information, warning information are sent to remote terminal, so that user can predict battery assembly module 100 in advance Current 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, the electricity of the utility model Pond group unit 100 can also voluntarily locally carry out self-protection, can faster, more quickly protect battery.
Alternatively, wireless communication module 104 includes but is not limited to 2G wireless communication module 104,3G wireless communication module 104,4G wireless communication module 104,5G wireless communication module 104 or WIFI wireless communication module 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 channel radio of the battery assembly module 100 of the utility model Letter module 104 can be set to ap mode or Station mode, to realize the connection with management terminal 300, not need additionally to increase If WIFI module.It, can be automatic by battery assembly module 100 if 100 place environment of battery assembly module is not covered with wireless signal Emit a WIFI signal, user realizes the connection with battery assembly module 100 by the WIFI signal, and then realizes to battery pack The real time monitoring of the current state information of unit 100.
As shown in Figure 2, it is alternatively that, in the utility model embodiment, each battery pack Unit 101 further includes battery pack 101 and 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 exports warning information according to processing result.The master controller 103 is also used to according to wireless communication module The control information that 104 received Cloud Servers 200 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 or the production when current state information reaches self-protection condition are generated when current state information reaches early-warning conditions Raw self-protection instruction can also be believed with realizing the self-protection to battery pack 101 according to the control that Cloud Server 200 issues Breath generates the output of 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.Alternatively, if 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-voltage time, the battery pack that gives warning in advance 101 under-voltage and Over-voltage prevents battery pack 101 from protecting because of battery pack 101 caused by overcharging or overdischarging.Alternatively, if 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 battery pack 101 from protecting because of battery pack 101 caused by high temperature or low temperature.Alternatively, If the current state information of battery assembly module 100 is the current flow information of battery pack 101, master controller 103 can basis The current flow information of battery pack 101 judges whether current flow reaches electric current threshold value of warning, if so, generating warning information simultaneously It is sent to management terminal 300 by Cloud Server 200, to prompt user, battery pack is protected caused by reducing because of electric current.
Alternatively, the battery assembly module 100 of the utility model further include: 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 of master controller 103 Voltage temperature Acquisition Circuit 102.Optionally, which can pass through operational amplifier realization pair The temperature acquisition of battery cell in battery pack 101, and carry out being sent to master controller 103 after converting accordingly, by master controller 103 are handled according to current temperature information, judged and are controlled.Or the battery core voltage temperature Acquisition Circuit 102 can be with The temperature acquisition to battery cell in battery pack 101 is realized by AFE(analog front end) (chip).Generally, in specific circuit design In, operational amplifier can be selected when the negligible amounts of battery cell in battery pack 101 and realize, when battery list in battery pack 101 Then AFE(analog front end) is selected to realize when the quantity of body is more, and then calculation process efficiency can be promoted.Certainly, the electricity of the utility model Core voltage temperature Acquisition Circuit 102 is not limited to above-mentioned specific example.
Further, as shown in Fig. 2, battery pack Unit 101 further include: with the concatenated current sample electricity of battery pack 101 Resistance;
It is connected in parallel on current sampling resistor both ends and is connect with master controller 103, the electricity for acquiring 101 electric current of battery pack Flow sample circuit 105.Optionally, which can be realized by A/DC to the electricity for flowing through current sampling resistor The real-time acquisition of stream, and be converted to corresponding data and be sent to master controller 103.Specifically, current sampling circuit 105 is adopted The electric current of collection samples pin by the current value of master controller 103 and accesses master controller 103, receive for master controller 103 and Monitoring.
Battery pack Unit 101 can also include electric discharge metal-oxide-semiconductor MD and electric discharge MOS control circuit 106.
The source electrode of electric discharge metal-oxide-semiconductor MD connects the negative terminal (B-) of battery pack 101 by current sampling resistor, and discharge metal-oxide-semiconductor MD Drain electrode connection battery assembly module 100 negative terminal (P-), electric discharge metal-oxide-semiconductor MD grid by electric discharge MOS control circuit 106 connect Connect the electric discharge MOS control pin of master controller 103.
In a specific embodiment, as shown in figure 3, electric discharge MOS control circuit 106 include resistance R1, metal-oxide-semiconductor Q1, Resistance R2, diode D1, resistance R3, resistance R4, resistance R5, MOS pipe 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 point of resistance R1 Not Lian Jie the grid of metal-oxide-semiconductor Q1 and the first end of resistance R2, the second end of resistance R2 passes through the grid of resistance R3 connection metal-oxide-semiconductor Q2 Pole;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, resistance R4's Second end is separately connected the first end of resistance R5 and the drain electrode of metal-oxide-semiconductor Q2, the source of the source electrode connection electric discharge metal-oxide-semiconductor MD of metal-oxide-semiconductor Q2 Pole.
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 grid of electric discharge metal-oxide-semiconductor MD, the anode of voltage-stabiliser tube Z1 connect the source electrode of electric discharge MOS pipe MD, and the first end of resistance R6 connects electric discharge 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 also passes through resistance R7 and is grounded;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 controls pin.
The battery assembly module 100 further includes charging metal-oxide-semiconductor MC and charging MOS control circuit 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 of first 100 negative terminal (B-), charging metal-oxide-semiconductor MC connects the charging MOS control of master controller 103 by charging MOS control circuit Pin processed.
In a specific embodiment, as shown in figure 4, charging valve MOS control circuit 107 includes: 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 electricity of the second end connection metal-oxide-semiconductor Q5 of resistance R10 Hinder 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, The grid of metal-oxide-semiconductor Q6 is grounded by resistance R12, and the charging MOS control that the grid of metal-oxide-semiconductor Q6 is also connected with master controller 103 is drawn Foot;The source electrode of metal-oxide-semiconductor Q5 connects master controller 103, the anode of the drain electrode connection diode D2 of metal-oxide-semiconductor Q5, the yin of diode D2 Pole connects the anode of diode D3, and the connecting node of the anode of the cathode and diode D3 of diode D2 is also by passing sequentially through electricity The connecting node of the source electrode of resistance R15, resistance R16 connection charging metal-oxide-semiconductor MC, resistance R15 and resistance R16 are also connected with triode Q7 Base stage.
The cathode of diode D3 passes through the emitter of resistance R13 connecting triode Q7, and the collector connection of triode Q7 is filled The source electrode of electric metal-oxide-semiconductor MC, the emitter of triode Q7 also pass through the grid of resistance R14 connection 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 of the anode connection charging metal-oxide-semiconductor MC of voltage-stabiliser tube Z2 Pole, resistance R17 are 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 institute It states between the second end of resistance R14 and the grid of the charging metal-oxide-semiconductor MC.
The battery assembly module 100 further includes being connected in parallel on the both ends of current sampling resistor and controlling electricity with electric discharge MOS respectively The short circuit over-current protection circuit 108 that road 106 is 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 issue the Cloud Server of control information to multiple battery pack Unit 101 200.Specifically, Cloud Server 200 and multiple battery assembly modules 100 can be by being built in each battery assembly module 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 send the management terminal 300 of control information to 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 by the APP to the remote of multiple battery assembly modules 100 Range monitoring.
The battery assembly module 100 of the utility model direct-connected can be connect or the reality by way of internet connection local It is now connect with the wireless communication of management terminal 300, and then realizes and the current state of battery pack 101 in battery assembly module 100 is believed The real time monitoring of breath.In addition, may be implemented simultaneously to form the real time monitoring of multiple battery assembly modules 100 by internet Higher technical barrier.And wireless communications mode is used, it does not need additionally to be routed, does not limit the placement of battery assembly module 100 Place, user can monitor battery pack 101 whenever and wherever possible, greatly improve safety and stability that battery pack 101 uses, And entirely battery system cost is not high, stability is good.
Further, master controller 103 used by the utility model is efficient power supply chip, used channel radio Chip in letter module 104 is also that the chip of super low-power consumption can flexibly make in the specific application process according to different control With, 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. In addition, carry out calculation process according to the real time status information of battery assembly module 100 by local, prejudge in advance be likely to occur it is each Kind 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 The mode directly transmitted sends management terminal 300, and the user of management terminal 300 is enable to predict the information of battery pack 101 in advance simultaneously Respective handling is made in time.
Above embodiments are only to illustrate the technical ideas and features of the present invention, and its object is to allow be familiar with technique Personage can understand the content of the utility model and implement accordingly, the protection scope of the utility model can not be limited.It is all with The equivalent changes and modifications that the utility model claims range is done, should belong to the utility model claims covers model It encloses.
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 all should belong to the protection scope of the appended claims for the utility model.

Claims (10)

1. a kind of battery cell monitoring management system characterized by comprising
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 the cloud service of 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 send the management terminal of the control information to the Cloud Server.
2. battery cell monitoring management system according to claim 1, which is characterized in that the wireless communication module include 2G without Line communication module, 3G wireless communication module, 4G wireless communication module, 5G wireless communication module or WIFI wireless communication module.
3. battery cell monitoring management system according to claim 1, which is characterized in that each described battery assembly module also wraps It includes:
For providing the battery pack of 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 processing result;
The controller is also used to receive the control information that the Cloud Server issues and basis by the wireless communication module The control information exports control instruction.
4. battery cell monitoring management system according to claim 3, 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 management system according to claim 3, 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 management system according to claim 5, 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 circuit;
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 passes through electric discharge MOS control electricity Road connects the electric discharge MOS control pin of the controller.
7. battery cell monitoring management system according to claim 6, which is characterized in that the electric discharge MOS control circuit includes: 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, and the of the resistance R1 Two ends are separately connected the grid of the metal-oxide-semiconductor Q1 and the first end of the resistance R2, and the second end of the resistance R2 passes through described 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 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 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 also passes through the resistance R7 ground connection; 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 with The connecting node of the drain electrode of the metal-oxide-semiconductor Q4 is additionally coupled to the electric discharge MOS control pin of the controller.
8. battery cell monitoring management system according to claim 6, which is characterized in that each described battery assembly module also wraps It includes: charging metal-oxide-semiconductor MC and charging MOS control circuit;
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 of the negative terminal of the battery assembly module, the charging metal-oxide-semiconductor MC connects the control by the charging MOS control circuit The charging MOS of device controls pin.
9. battery cell monitoring management system according to claim 8, which is characterized in that the charging MOS control circuit includes: 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 control pin of the controller;
The source electrode of the metal-oxide-semiconductor Q5 connects driving voltage VGS, and the drain electrode of the metal-oxide-semiconductor Q5 connects 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 it is described charging metal-oxide-semiconductor MC source electrode, 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 passes through the resistance R14 with the emitter of Q7 and connects institute 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, fills 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 management system according to claim 6, which is characterized in that each described battery assembly module is also It include: to be connected in parallel on the both ends of the current sampling resistor and connect respectively with the electric discharge MOS control circuit and the controller Short circuit over-current protection circuit.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

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