CN205986220U - Battery management system with bluetooth communication function - Google Patents
Battery management system with bluetooth communication function Download PDFInfo
- Publication number
- CN205986220U CN205986220U CN201620764619.4U CN201620764619U CN205986220U CN 205986220 U CN205986220 U CN 205986220U CN 201620764619 U CN201620764619 U CN 201620764619U CN 205986220 U CN205986220 U CN 205986220U
- Authority
- CN
- China
- Prior art keywords
- module
- management system
- battery management
- communication
- battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The utility model discloses a battery management system with bluetooth communication function, it includes the charger, the analog front end who connects gradually, host system, communication module and bluetooth module, still including the field effect transistor Q1 that charges, field effect transistor Q2 and mobile terminal discharge, be provided with high -pressure protective film piece and ESD protection module among the communication module. The utility model provides a battery management system, it is provided with bluetooth module, is convenient for to carry out the bluetooth communication with the smart mobile phone that has bluetooth module and is connected to convenience of customers looks over the real -time data information of battery on the cell -phone, the user of being convenient for maintains the management that the battery carries out the charge -discharge, in addition, have high -pressure protective film piece and ESD protection module among the communication module among the battery management system, can effectively protect battery management system's host system to be damaged by high pressure signal in the connecting communication with external device to can effectively improve battery management system's operational reliability and life.
Description
Technical field
This utility model is related to a kind of battery management system, more particularly, to a kind of battery management with blue tooth communication function
System.
Background technology
At present, lithium battery technology is greatly developed and is widely used, and lithium battery use when must be equipped with protection board or
Person's battery management system.On existing market lithium battery be using hardware package backplate mostly it is impossible to real time inspection set of cells detailed
Information, had not both had battery management function, did not had battery capacity learning functionality yet.After set of cells is assembled into car load, user
Inside battery information cannot be checked, be not easy to the use state of user monitoring battery, and be unfavorable for the maintenance to battery for the user.
And existing some battery management systems, there is also and check data inconvenience, to the high voltage protective of the mainboard module in system not
The defects such as foot.
Utility model content
For overcoming the problem of the deficiencies in the prior art and presence, this utility model provides a kind of has blue tooth communication function
Battery management system, this battery management system is provided with bluetooth module it is convenient to enter with the intelligent terminal with bluetooth module
Row communication, is easy to the real time data information that user checks battery；In addition, this battery management system is being communicated with other-end
When, can effectively prevent the input of high-voltage signal from damaging the mainboard of battery management system, thus battery management system can be effectively improved
Functional reliability and service life.
This utility model is achieved through the following technical solutions：A kind of battery management system with blue tooth communication function
System, for carrying out management of charging and discharging to battery module, including charger, the AFE (analog front end) being sequentially connected, main control module, communication mould
Block and bluetooth module, the feeder ear of bluetooth module is connected with the positive pole B+ of described battery module, described AFE (analog front end) just defeated
Enter end, negative input end is connected with the positive pole B+ of battery module, negative pole B- respectively, the positive output end of described charger, negative output terminal
It is connected with the positive pole B+ of battery module, negative pole B- respectively；Described battery management system also includes charging field effect transistor Q1, electric discharge
Field effect transistor Q2 and mobile terminal, described mobile terminal is set up bluetooth communication with described bluetooth module and is connected；Described charging field
The grid G 1 of effect pipe Q1, the grid G 2 of electric discharge field effect transistor Q2 are all connected with described main control module, described charging field effect transistor
The drain D 1 of Q1 is connected with the negative input end of described charger, and the source S 1 of described charging field effect transistor Q1 and described electric discharge field are imitated
Should the drain D 2 of pipe Q2 connect, the source S 2 of described electric discharge field effect transistor Q2 is connected with the negative pole of described battery module.Wherein, institute
State battery module and be preferably lithium battery module.
Preferably, described communication module includes communication input, Communication Control switch module and the communication being sequentially connected
Outfan, also includes Voltage stabilizing module and high voltage protective module, described Communication Control switch module have for described indigo plant
The switch control terminal TR that the current supply circuit of tooth module connects, two inputs of described Voltage stabilizing module respectively with described communication input
Two terminals TX, RX connect, two outfans of described Communication Control switch module connect with the two of described communication outfan respectively
Line end TXD, RXD connect, two inputs of described high voltage protective module respectively with described Communication Control switch module and described
Terminals RXD connects；Further, described communication module also includes ESD protection module, two inputs of this ESD protection module
End is connected with two terminals TXD, RXD of described communication outfan respectively.
It is preferred that described mobile terminal is smart mobile phone, described bluetooth module is preferably based on the bluetooth module of BLE4.0；
Described AFE (analog front end) is the AFE (analog front end) based on chip BQ76940.
Preferably, the main control chip in described main control module is single-chip microcomputer；Described singlechip chip model is preferably
Atmega328P.
The battery management system that this utility model provides, it is provided with bluetooth module, is easy to and the intelligence with bluetooth module
Bluetooth communication connection being carried out by mobile phone, thus facilitating user that the real time data information of battery is checked on mobile phone, being easy to user couple
Battery carries out the management service of discharge and recharge；In addition, there is high voltage protective module and ESD in communication module in battery management system
Protection module, can be damaged by high-voltage signal the main control module of effective protection battery management system in the connecting communication with external equipment
Bad, thus functional reliability and the service life of battery management system can be effectively improved.
Brief description
Fig. 1 is the construction module schematic block diagram of battery management system described in this utility model embodiment；
Fig. 2 is the schematic block diagram of communication module described in this utility model embodiment；
Fig. 3 is the physical circuit figure of communication module described in this utility model embodiment.
Wherein, drawing reference numeral is：1- Voltage stabilizing module, 2- Communication Control switch module, 3- high voltage protective module, 4-ESD prevents
Shield module.
Specific embodiment
For the ease of the understanding of those skilled in the art, below in conjunction with the drawings and specific embodiments this utility model is made into
One step describes in detail.
As shown in Figure 1, a kind of battery management system with blue tooth communication function, for carrying out charge and discharge to battery module
Fulgurite is managed, including charger, the AFE (analog front end) being sequentially connected (AFE), main control module, communication module and bluetooth module, bluetooth
The feeder ear of module is connected with the positive pole B+ of described battery module, the positive input terminal of described AFE (analog front end), negative input end respectively with
The positive pole B+ of battery module, negative pole B- connect, the positive output end of described charger, the negative output terminal positive pole with battery module respectively
B+, negative pole B- connect；Described battery management system also includes charging field effect transistor Q1, electric discharge field effect transistor Q2 and moves eventually
End, described mobile terminal is set up bluetooth communication with described bluetooth module and is connected；The grid G 1 of described charging field effect transistor Q1, electric discharge
The grid G 2 of field effect transistor Q2 is all connected with described main control module, drain D 1 and the described charger of described charging field effect transistor Q1
Negative input end connect, the source S 1 of described charging field effect transistor Q1 with described discharge field effect transistor Q2 drain D 2 be connected, institute
The source S 2 stating electric discharge field effect transistor Q2 is connected with the negative pole of described battery module.
In the present embodiment, described battery module is preferably lithium battery module, and described mobile terminal is preferably smart mobile phone,
Described bluetooth module is preferably based on the bluetooth module of BLE4.0, to reduce power consumption.Using this bluetooth module, can be in intelligent handss
Corresponding APP is installed on machine, this APP reads the real time data of battery protection by bluetooth or carries out related Protection parameters
Setting, greatly facilitate the real time data information that user checks battery, and facilitate user to carry out the management of discharge and recharge to battery
Safeguard
As preferred embodiment, for preferably protecting the main control module in battery management system, it is effectively protected battery
The main control module of management system is damaged by high-voltage signal in the connecting communication with external equipment, as shown in Figure 2, described communication
Module includes communication input, Communication Control switch module and the communication outfan being sequentially connected, and also includes Voltage stabilizing module
And high voltage protective module, described Communication Control switch module have for opening that the current supply circuit of described bluetooth module is connected
Close control end TR, two inputs of described Voltage stabilizing module are connected with two terminals TX, RX of described communication input respectively, described
Two outfans of Communication Control switch module are connected with two terminals TXD, RXD of described communication outfan respectively, described high pressure
Two inputs of protection module are connected with described Communication Control switch module and described terminals RXD respectively；Preferably, described
Communication module also includes ESD protection module, and two inputs of this ESD protection module connect with the two of described communication outfan respectively
Line end TXD, RXD connect.Accompanying drawing 3 is the one of preferably physical circuit figure of described communication module.Using above-mentioned communication mould
Block, can effectively improve functional reliability and the service life of battery management system.
In the present embodiment, described AFE (analog front end) is the AFE (analog front end) based on chip BQ76940, and its maximum supports 15 string lithiums
Battery, and with collection monomer voltage, current temperature function, the function such as overcurrent protection and short-circuit protection of discharging.Described master control
Main control chip in module is single-chip microcomputer；Described singlechip chip model is preferably tmega328P.Single-chip microcomputer is communicated by I2C
Mode is communicated with AFE (analog front end), with data such as read voltage, electric currents, thus realizing the management of charging and discharging of battery.
Compared with prior art, the battery management system that the present embodiment provides, it is provided by bluetooth module so that using
The real time data information of battery can be easily checked at family on mobile phone, and battery is carried out with the management service of discharge and recharge；This is, electric
There is in communication module in the management system of pond high voltage protective module and ESD protection module, can effective protection battery management system
Main control module damaged by high-voltage signal in the connecting communication with external equipment, thus battery management system can be effectively improved
Functional reliability and service life.
Above-described embodiment is preferably implementation of the present utility model, is not to restriction of the present utility model, not
On the premise of departing from inventive concept of the present utility model, any obvious replace all protection domain of the present utility model it
Interior.The replacement being clear to is all within protection scope of the present invention.
Claims (9)
1. a kind of battery management system with blue tooth communication function, for management of charging and discharging is carried out to battery module, its feature
It is：Including charger, the AFE (analog front end) being sequentially connected, main control module, communication module and bluetooth module, the confession of bluetooth module
Electric end is connected with the positive pole B+ of described battery module, the positive input terminal of described AFE (analog front end), negative input end respectively with battery module
Positive pole B+, negative pole B- connect, the positive output end of described charger, negative output terminal positive pole B+, the negative pole with battery module respectively
B- connects；
Described battery management system also includes charging field effect transistor Q1, electric discharge field effect transistor Q2 and mobile terminal, described shifting
Dynamic terminal is set up bluetooth communication with described bluetooth module and is connected；The grid G 1 of described charging field effect transistor Q1, electric discharge field effect transistor
The grid G 2 of Q2 is all connected with described main control module, the negative input of the drain D of described charging field effect transistor Q1 1 and described charger
End connects, and the source S 1 of described charging field effect transistor Q1 is connected with the drain D 2 of described electric discharge field effect transistor Q2, described electric discharge field
The source S 2 of effect pipe Q2 is connected with the negative pole of described battery module.
2. battery management system according to claim 1 it is characterised in that：It is logical that described communication module includes being sequentially connected
News input, Communication Control switch module and communication outfan, also include Voltage stabilizing module and high voltage protective module, described
Communication Control switch module has the switch control terminal TR for being connected, described voltage stabilizing mould with the current supply circuit of described bluetooth module
Two inputs of block are connected with two terminals TX, RX of described communication input respectively, and the two of described Communication Control switch module
Outfan is connected with two terminals TXD, RXD of described communication outfan respectively, and two inputs of described high voltage protective module divide
It is not connected with described Communication Control switch module and described terminals RXD.
3. battery management system according to claim 2 it is characterised in that：Described communication module also includes ESD protection
Module, two inputs of this ESD protection module are connected with two terminals TXD, RXD of described communication outfan respectively.
4. the battery management system according to any one in claims 1 to 3 it is characterised in that：Described mobile terminal is
Smart mobile phone.
5. battery management system according to claim 4 it is characterised in that：Described AFE (analog front end) is based on chip
The AFE (analog front end) of BQ76940.
6. battery management system according to claim 5 it is characterised in that：Main control chip in described main control module is single
Piece machine.
7. battery management system according to claim 6 it is characterised in that：Described singlechip chip model
Atmega328P.
8. battery management system according to claim 4 it is characterised in that：Described bluetooth module is the indigo plant based on BLE4.0
Tooth module.
9. battery management system according to claim 1 it is characterised in that：Described battery module is lithium battery module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620764619.4U CN205986220U (en) | 2016-07-18 | 2016-07-18 | Battery management system with bluetooth communication function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620764619.4U CN205986220U (en) | 2016-07-18 | 2016-07-18 | Battery management system with bluetooth communication function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205986220U true CN205986220U (en) | 2017-02-22 |
Family
ID=58025142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620764619.4U Active CN205986220U (en) | 2016-07-18 | 2016-07-18 | Battery management system with bluetooth communication function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205986220U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108089492A (en) * | 2017-11-28 | 2018-05-29 | 湖北万洪锂电池有限公司 | A kind of lithium battery protection board communication system |
| CN109050258A (en) * | 2018-07-12 | 2018-12-21 | 重庆邮电大学 | A kind of battery system and maintaining method with wireless communication function |
| 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 |
-
2016
- 2016-07-18 CN CN201620764619.4U patent/CN205986220U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108089492A (en) * | 2017-11-28 | 2018-05-29 | 湖北万洪锂电池有限公司 | A kind of lithium battery protection board communication system |
| CN109050258A (en) * | 2018-07-12 | 2018-12-21 | 重庆邮电大学 | A kind of battery system and maintaining method with wireless communication function |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209389733U (en) | Lithium battery protection board | |
| CN205986220U (en) | Battery management system with bluetooth communication function | |
| CN109888887A (en) | A kind of Cell On-Off fulgurite reason method and system of intelligent charge cabinet | |
| CN108173327B (en) | A kind of auto-power-off energy-saving protective device | |
| CN207967998U (en) | Double USB onboard chargers | |
| CN204731724U (en) | A kind of computer circuit breaking protection system | |
| CN102624037A (en) | Mobile terminal capable of charging external device | |
| CN202153645U (en) | Electric device based on OTG interface charging | |
| CN207474738U (en) | Charging data line with digital display function | |
| CN208369280U (en) | A kind of lithium battery protection circuit | |
| CN209134109U (en) | Smart machine charge protector and intelligent wearable device | |
| CN104426139A (en) | Anti-reverse battery charging protecting circuit | |
| CN106253404B (en) | A kind of power-supply management system of road measuring device | |
| CN204886320U (en) | Power management system | |
| CN204578121U (en) | A kind of portable power source | |
| CN204578130U (en) | The private cloud charger baby of intelligence WIFI | |
| CN208539622U (en) | A kind of battery activated charging circuit | |
| CN209462042U (en) | A kind of battery management system | |
| CN106487068A (en) | Overvoltage protective system and method | |
| CN208797633U (en) | Electronic equipment charging circuit, charging equipment and charging management system | |
| CN208369271U (en) | Power supply circuit and power supply unit | |
| CN205811598U (en) | One at any time can be with quickly without turbulence intelligent charging device | |
| CN219740006U (en) | High-voltage-preventing intelligent one-line communication identification system | |
| CN110429697A (en) | Under-voltage protecting circuit and guard method | |
| CN204559984U (en) | A kind of emergency light circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 523000 No. 49, Baoyuan Road, Lianhu, Tangxia Town, Dongguan City, Guangdong Province Patentee after: DONGGUAN JIABAIDA ELECTRONIC TECHNOLOGY CO.,LTD. Address before: 523000 5th floor, No. 23, San Wu, shitanpu, Tangxia Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN JIABAIDA ELECTRONIC TECHNOLOGY CO.,LTD. |
|
| CP02 | Change in the address of a patent holder |