CN209051393U - A kind of battery management system and device - Google Patents
A kind of battery management system and device Download PDFInfo
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- CN209051393U CN209051393U CN201821517748.9U CN201821517748U CN209051393U CN 209051393 U CN209051393 U CN 209051393U CN 201821517748 U CN201821517748 U CN 201821517748U CN 209051393 U CN209051393 U CN 209051393U
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- management system
- battery management
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The utility model is suitable for field of batteries, provides a kind of battery management system and device, the system comprises: the battery module of power supply is provided；It is electrically connected with the battery module, amplifies the power supply signal AFE(analog front end)；It is electrically connected with the AFE(analog front end), controls the main control module of the battery module；It is electrically connected with the main control module, protects the communication module of the main control module；And with the communication module communication connection, fingerprint module with finger print information, the utility model is by being provided with communication module and fingerprint module, communication module is connect with there is the fingerprint module Communication Control of communication function, to facilitate user fingerprints to unlock battery, operation is managed to battery pack, and improves the functional reliability of battery management system.
Description
Technical field
The utility model belongs to field of batteries more particularly to a kind of battery management system and device.
Background technique
Currently, with the development of science and technology, the technology of lithium battery is also greatly developed and is widely used, and lithium is electric
Pond using when must be equipped with protection board or battery management system.
In the prior art, lithium battery protection board uses hardware package backplate, needs by Physical key circuit switch to electricity
Road is turned on or off.After battery pack is assembled into vehicle, user is also required to carry out vehicle unlatching by Physical key
Or it closes.
But there is also problems for the prior art: 1, since protection board uses hardware package backplate, can not carry out to protection board
Identification protecting can not also be opened and closed from protection board software communication system, and cannot identify user identity, both not had
Battery management function also identifies communication open and close function without battery pack；2, hardware is single, and software configuration is complicated, polarises
Very seriously, the defects of insufficient to the high voltage protective of the mainboard module in system.
Summary of the invention
The utility model provides a kind of battery management system, it is intended to which solution can not identify user, be inconvenient to safeguard battery
Problem.
The utility model is realized in this way a kind of battery management system, comprising:
The battery module of power supply is provided；
It is electrically connected with the battery module, amplifies the power supply signal AFE(analog front end)；
It is electrically connected with the AFE(analog front end), controls the main control module of the battery module；
It is electrically connected with the main control module, protects the communication module of the main control module；And
With the communication module communication connection, the fingerprint module with finger print information.
Further, the communication module includes:
The input terminal being connected to the main control module；
Stablize the pressure stabilizing submodule of the input terminal voltage；
It is electrically connected with the pressure stabilizing submodule, controls the Communication Control switch submodule of the fingerprint module；
It is electrically connected with Communication Control switch submodule, protects the high voltage protective submodule of the communication module；And
The output end being connect with the high voltage protective submodule.
Further, the communication module further include:
The ESD protection module being electrically connected with the output end of the communication module.
Further, the system also includes:
The field-effect tube that charges and electric discharge field-effect tube；
The charging field-effect tube and the electric discharge field-effect tube are connected to the main control module.
Further, the system also includes:
The charging equipment being electrically connected with the battery module；
The anode of the charging equipment positive output end and the battery module connect, the charging equipment negative output terminal and institute
State the cathode connection of battery module.
The utility model also provides a kind of battery management system device, and the equipment includes:
A kind of battery management system as described above.
Battery management system provided by the utility model, by being provided with communication module and fingerprint module, communication module with
There is the fingerprint module Communication Control of communication function to connect, so that user fingerprints be facilitated to unlock battery, behaviour is managed to battery pack
Make, and improves the functional reliability of battery management system.
Detailed description of the invention
Fig. 1 is the construction module schematic diagram of battery management system provided by the utility model；
Fig. 2 is the schematic diagram of communication module provided by the utility model；
Fig. 3 is the circuit diagram of communication module provided by the utility model；
Fig. 4 is another schematic diagram of battery management system provided by the utility model；
Fig. 5 is another schematic diagram of battery management system provided by the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Battery management system provided by the utility model, by being provided with communication module and fingerprint module, communication module with
There is the fingerprint module Communication Control of communication function to connect, so that user fingerprints be facilitated to unlock battery, behaviour is managed to battery pack
Make, and improves the functional reliability of battery management system.
Embodiment one
As described in Figure 1, the utility model embodiment provides a kind of battery management system, comprising:
The battery module 1 of power supply is provided, which can be preferably lithium battery module.
It is electrically connected with battery module 1, amplifies power supply signal AFE(analog front end) 2.The AFE(analog front end) 2 processing signal source provides
Analog signal carries out digitlization and analysis processing to it, and including several functions: 1, signal amplifies: when the signal received
It is excessively faint, it when can not meet the requirement of system carrier-to-noise ratio, to be amplified using low-noise amplifier in front end, be made an uproar with improving to carry
Than.2, frequency transformation: certain configuration in order to realize transmission channel, sometimes also for certain interference is avoided, front end is needed to certain
A little channels are converted.3, it modulates, demodulate: when receiving satellite, microwave signal, needing first to demodulate it, restore view, audio
Then signal is modulated to the radiofrequency signal of selected channel again.4, level adjustment and control: the level for each channel carries out
Adjustment and control make the level fluctuation in channel between channel be no more than desired range.
Preferably, which may be based on the AFE(analog front end) of chip BQ76940, and maximum supports 15 series lithium batteries,
And with acquisition monomer voltage, current temperature function, the functions such as overcurrent protection and short-circuit protection of discharging.
It is electrically connected with AFE(analog front end) 2, controls the main control module 3 of battery module 1, the main control chip in main control module 3 is single
Piece machine, singlechip chip model are preferably tmega3290P.Single-chip microcontroller is communicated by I2C communication modes with AFE(analog front end) 2,
To read the data such as voltage, electric current, to realize the management of charging and discharging of battery.
It is electrically connected with main control module 3, protects the communication module 4 of main control module 3, communication module 4 is led to fingerprint module 5
News control connection, so that user be facilitated to use the safety operation of battery pack, waterproof is anti-electric, burglar alarm, convenient for user to electricity
The management service of pond progress charge and discharge.
With 4 communication connection of communication module, the fingerprint module 5 with finger print information.Fingerprint module 5 is preferably based on STC89C52
The fingerprint module 5 of single-chip microcontroller, to reduce power consumption.Using the fingerprint module 5, user can be when being not turned on battery-pack exterior casing
Product is opened and closed by unlocked by fingerprint, separately there is a communication data transmission signal line, when fingerprint recognition mistake 5 times
When above, alarm setting can be automated toed respond to.
In the utility model embodiment, by being provided with communication module 4 and fingerprint module 5, communication module 4 and there is communication
5 Communication Control of fingerprint module of function connects, so that user fingerprints be facilitated to unlock battery, is managed operation to battery pack, with
And improve the functional reliability of battery management system.
Embodiment two
As shown in Figures 2 and 3, the utility model embodiment provides battery management system, comprising:
The input terminal 41 being connect with main control module 3.
Stablize the pressure stabilizing submodule 42 of 41 voltage of input terminal.
It is electrically connected with pressure stabilizing submodule 42, the Communication Control of control fingerprint module 5 switchs submodule 43.
It is electrically connected with Communication Control switch submodule 43, protects the high voltage protective submodule 44 of communication module 4.
The output end 45 being connect with high voltage protective submodule 44.
Pressure stabilizing submodule 42 includes voltage-stabiliser tube ZD4, voltage-stabiliser tube ZD5, resistance R23 and resistance R24, voltage-stabiliser tube ZD4 and resistance
The one end R23 is connect with the end RX of input terminal 41, other end ground connection.The end TX of voltage-stabiliser tube ZD5 and the one end resistance R24 and input terminal 41
Connection, other end ground connection.
Communication control module 43 include diode D3, resistance R11, resistance R12, resistance R17, resistance R18, metal-oxide-semiconductor M1 and
Metal-oxide-semiconductor M2.Fingerprint module 5 current supply circuit connection switch control terminal TR successively with diode D3, resistance R12 and resistance R11
Series connection.Resistance R17 and resistance R18 are connected in parallel between diode D3 and resistance R12 and resistance R11.Metal-oxide-semiconductor M1 source S 1 and input
The TX terminals connection at end 41, drain D 1 are connect with the TXD terminals of output end 45, metal-oxide-semiconductor M2 source S 2 and input terminal 41
The connection of RX terminals, drain D 2 are connect with the RXD terminals of output end 45.
High voltage protective submodule includes: voltage-stabiliser tube ZD3, voltage-stabiliser tube ZD6, capacitor C12, resistance R25, resistance R34, resistance
R35, diode D6 and triode Q7.Voltage-stabiliser tube ZD6 and capacitor C13 are in parallel with resistance R34, the collector C of triode Q7 and two
Pole pipe D6 is connected in series on Communication Control switch submodule 3, and the diode D6 other end is in parallel with resistance R34, triode Q7's
Emitter E ground connection, the base stage B of the Q7 of triode is connected between resistance R25 and resistance R35, and resistance R25, resistance R35 and steady
Pressure pipe ZD3 is connected in series on the RXD terminals of output end 45.
Communication module include sequentially connected communication input terminal 41, pressure stabilizing submodule 42, Communication Control switch submodule 43,
High voltage protective submodule 44 and communication output end 45, Communication Control, which switchs submodule 43, to be had for the confession with fingerprint module 5
Electrical circuit connection switch control terminal TR, two input terminals of pressure stabilizing submodule 43 respectively with two terminals TX and RX of input terminal 41
Two output ends of connection, Communication Control switch submodule 43 are connect with two terminals TXD and RXD of output end 45 respectively, high pressure
The RXD for protecting two input terminals of submodule 44 to switch submodule 43 and output end 45 with Communication Control respectively is connect.
In the utility model embodiment, by having high voltage protective submodule in the communication module 4 in battery management system
Block 44, the main control module 3 for caning effectively protect battery management system are damaged in the connecting communication with external equipment by high-voltage signal,
So as to effectively improving the functional reliability and service life of battery management system, then by being provided with communication module 4, convenient for
The carry out Communication Control connection of fingerprint module 5 with finger print information function, to facilitate safety operation of the user to battery pack
It uses, carries out the management service of charge and discharge to battery convenient for user.
Embodiment three
As shown in Figures 2 and 3, the utility model embodiment provides battery management system, comprising:
Communication module 4 further includes having ESD protection submodule 46, two input terminals of the ESD protection submodule 46 respectively with it is defeated
Two terminals TXD of outlet 45 are connected with RXD.
ESD protection submodule 46 includes diode D4 and diode D5, and one end of diode D4 is connected to output end 45
On RXD terminals, on the geographical TXD terminals for being connected to output end 45 of diode D5, diode D4 and diode D5 are in parallel
Together, and the other end of diode D4 and diode D5 are grounded.
The utility model embodiment can effectively protect cell tube by being provided with ESD protection module 46 on communication module 4
The main control module of reason system is damaged in the connecting communication with external equipment by high-voltage signal, so as to effectively improve battery management
The functional reliability and service life of system.
Example IV
As shown in figure 4, the utility model embodiment provides battery management system, comprising:
Charge field-effect tube Q1 and electric discharge field-effect tube Q2, the grid G 1 for the field-effect tube Q1 that charges, electric discharge field-effect tube Q2
Grid G 2 connect with main control module 3, charging field-effect tube Q1 drain D 1 connect with the negative input end of communication module, charging
The source S 1 of field-effect tube Q1 is connect with the drain D 2 of electric discharge field-effect tube Q2, the source S 2 and battery mould of the field-effect tube Q2 that discharges
The cathode of block 1 connects.
The utility model is by being provided with charging field-effect tube Q1 and electric discharge field-effect tube Q2, so that main control module 3
Battery management system preferably can be protected and manage by charging field-effect tube Q1 and electric discharge field-effect tube Q2.
Embodiment five
As shown in figure 5, the utility model embodiment provides battery management system, comprising:
Battery module 1, AFE(analog front end) 2, main control module 3, communication module 4, fingerprint module 5 and charging equipment 6.
Function one institute of embodiment as above of battery module 1, AFE(analog front end) 2, main control module 3, communication module 4, fingerprint module 5
State similar, specific details are not described herein again.
The positive output end and negative output terminal of charging equipment are connect with the anode and cathode of battery module respectively.
The utility model embodiment realizes the management of charging and discharging of battery by being provided with charging equipment 6 and main control module 3,
Then by being provided with communication module 4 and fingerprint module 5, communication module 4 connects with 5 Communication Control of fingerprint module for having communication function
It connects, so that user fingerprints be facilitated to unlock battery, operation is managed to battery pack, and the work of raising battery management system can
By property.
Embodiment six
The utility model embodiment provides a kind of battery management system device, comprising:
The battery management system that any embodiment includes into embodiment five of embodiment one as above.
In the utility model embodiment, battery management system communicates mould by being provided with communication module and fingerprint module
There is high voltage protective submodule and ESD protection submodule in block, can effectively protect the main control module of battery management system with it is outer
It connects in the connecting communication of equipment and is damaged by high-voltage signal, so as to effectively improve the functional reliability and use of battery management system
Service life.Communication module is connect with there is the fingerprint module Communication Control of communication function.Using the fingerprint module, electricity can be not turned on
Product is opened and closed in the case of the assembly housing of pond, separately there is a communication data transmission signal line, fingerprint recognition mistake is pre-
If after number, alarm setting can be automated toed respond to.User is greatly facilitated to the real-time antitheft of battery, and facilitates user to battery
The management service of charge and discharge is carried out to facilitate user fingerprints to unlock battery, operation is managed to battery pack, and improve electricity
The functional reliability of pond management system.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (6)
1. a kind of battery management system, which is characterized in that the system comprises:
The battery module of power supply is provided；
It is electrically connected with the battery module, amplifies the power supply signal AFE(analog front end)；
It is electrically connected with the AFE(analog front end), controls the main control module of the battery module；
It is electrically connected with the main control module, protects the communication module of the main control module；And
With the communication module communication connection, the fingerprint module with finger print information.
2. battery management system as described in claim 1, which is characterized in that the communication module includes:
The input terminal being connected to the main control module；
Stablize the pressure stabilizing submodule of the input terminal voltage；
It is electrically connected with the pressure stabilizing submodule, controls the Communication Control switch submodule of the fingerprint module；
It is electrically connected with Communication Control switch submodule, protects the high voltage protective submodule of the communication module；And
The output end being connect with the high voltage protective submodule.
3. battery management system as claimed in claim 2, which is characterized in that the communication module further include:
The ESD protection module being electrically connected with the output end of the communication module.
4. battery management system as described in claim 1, which is characterized in that the system also includes:
The field-effect tube that charges and electric discharge field-effect tube；
The charging field-effect tube and the electric discharge field-effect tube are connected to the main control module.
5. battery management system as described in claim 1, which is characterized in that the system also includes:
The charging equipment being electrically connected with the battery module；
The anode of the charging equipment positive output end and the battery module connect, the charging equipment negative output terminal and the electricity
The cathode of pond module connects.
6. a kind of battery management system device, which is characterized in that the equipment includes:
Battery management system described in any one of claims 1 to 5 as above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821517748.9U CN209051393U (en) | 2018-09-17 | 2018-09-17 | A kind of battery management system and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821517748.9U CN209051393U (en) | 2018-09-17 | 2018-09-17 | A kind of battery management system and device |
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| CN209051393U true CN209051393U (en) | 2019-07-02 |
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| CN201821517748.9U Active CN209051393U (en) | 2018-09-17 | 2018-09-17 | A kind of battery management system and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109501726A (en) * | 2018-09-17 | 2019-03-22 | 宁波革鑫新能源科技有限公司 | A kind of battery management system and device |
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2018
- 2018-09-17 CN CN201821517748.9U patent/CN209051393U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109501726A (en) * | 2018-09-17 | 2019-03-22 | 宁波革鑫新能源科技有限公司 | A kind of battery management system and device |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220218 Address after: No. 588, Chengbei Avenue, Kunlun Street, Liyang City, Changzhou City, Jiangsu Province 213300 Patentee after: LIYANG ZICHEN NEW MATERIAL TECHNOLOGY Co.,Ltd. Address before: Room 491, building 2, Chuangye building, 66 Yuanshi Road, hi tech Zone, Ningbo, Zhejiang Province, 315000 Patentee before: NINGBO GEXIN NEW ENERGY TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230605 Address after: 330700 Fengxin Industrial Park, Fengxin County, Yichun City, Jiangxi Province Patentee after: JIANGXI ZICHEN TECHNOLOGY Co.,Ltd. Address before: No. 588, Chengbei Avenue, Kunlun Street, Liyang City, Changzhou City, Jiangsu Province 213300 Patentee before: LIYANG ZICHEN NEW MATERIAL TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |