CN105958568A - Battery intelligent identification and management circuit - Google Patents

Battery intelligent identification and management circuit Download PDF

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Publication number
CN105958568A
CN105958568A CN201610326450.9A CN201610326450A CN105958568A CN 105958568 A CN105958568 A CN 105958568A CN 201610326450 A CN201610326450 A CN 201610326450A CN 105958568 A CN105958568 A CN 105958568A
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CN
China
Prior art keywords
resistance
circuit
pin
battery
connects
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.)
Pending
Application number
CN201610326450.9A
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Chinese (zh)
Inventor
丁小平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FUJIAN WANZHONGBAIYUAN INDUSTRIAL Co Ltd
Original Assignee
FUJIAN WANZHONGBAIYUAN INDUSTRIAL Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by FUJIAN WANZHONGBAIYUAN INDUSTRIAL Co Ltd filed Critical FUJIAN WANZHONGBAIYUAN INDUSTRIAL Co Ltd
Priority to CN201610326450.9A priority Critical patent/CN105958568A/en
Publication of CN105958568A publication Critical patent/CN105958568A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00036—Charger exchanging data with battery
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
    • H02J7/00038—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange using passive battery identification means, e.g. resistors or capacitors
    • H02J7/00043—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange using passive battery identification means, e.g. resistors or capacitors using switches, contacts or markings, e.g. optical, magnetic or barcode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The present invention relates to a battery identification technology, in particular to a battery intelligent identification and management circuit. The battery intelligent identification and management circuit comprises a storage communication circuit, a power supply circuit and a communication protection circuit. The storage communication circuit stores the device information and the battery information, is connected with an external device, communicates and exchange data with the external device, the external device identifies a battery, and the power supply circuit outputs a voltage to the storage communication circuit. The communication protection circuit protects an external voltage current from burning out the storage communication circuit when the storage communication circuit is connected with the external device, thereby protecting the storage communication circuit effectively. The battery intelligent identification and management circuit of the present invention has higher safety and stability.

Description

A kind of battery intelligent identification management circuit
Technical field
The present invention relates to the identification technology of battery, particularly to a kind of battery intelligent identification management circuit.
Background technology
Widely available along with electronic product, especially mobile phone, panel computer, the electronic product fast development in recent years such as micro projector, lithium ion battery is high with capacity, and volume is little, the advantage such as can be repeatedly circulated and obtain using widely in battery industry.Current battery identification has two kinds, and one is to use to identify resistance, and another is the identification circuit using specialty.
Prior art often uses and identifies that resistance distinguishes battery, it is common that using the resistance of regulation resistance, accuracy of identification is poor, the most counterfeiting, and false proof grade is low.In order to improve accuracy of identification and false proof grade, in prior art, another embodiment is the identification circuit by using specialty, improves identification precision and false proof grade, but the identification circuit design cost of specialty is higher, and function is the most single.
Summary of the invention
For above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of simple in construction, the battery intelligent identification management circuit that accuracy of identification is high.
To achieve these goals, the present invention is by the following technical solutions:
A kind of battery intelligent identification management circuit, including memory communicating circuit, power supply circuits, communication protection circuit；
Described memory communicating circuit connects external equipment, exchanges for storing device information with external equipment communication and data；
Described power supply circuits connect described memory communicating circuit, for output voltage to described memory communicating circuit；
Described communication protection circuit is connected with the connecting line of described memory communicating circuit and external equipment, is used for protecting memory communicating circuit.
Described memory communicating circuit includes memorizer U2, be used for storing battery data and with external equipment data communication.
Described memory communicating circuit also includes that resistance R15, resistance R16, resistance R17, resistance R18, described memorizer U2 arrange the first pin, the second pin；
Described first pin is connected with one end of resistance R15, and the other end of resistance R15 is connected with one end of resistance R16, and the other end of described resistance R16 connects external equipment；
Described second pin is connected with one end of resistance R17, and the other end of resistance R17 is connected with one end of resistance R18, and the other end of described resistance R18 connects external equipment.
Described communication protection circuit includes stabilivolt VD1, stabilivolt VD2, pull down resistor R19 and pull down resistor R20; described stabilivolt VD1, the plus earth of stabilivolt VD2; the negative pole of described stabilivolt VD1 is connected between described resistance R17 and resistance R18; the negative pole of described stabilivolt VD2 is connected between described resistance R15 and resistance R16; one end ground connection of described pull down resistor R19; the other end is connected between described resistance R15 and resistance R16; one end ground connection of described pull down resistor R20, the other end is connected between described resistance R17 and resistance R18.
Described power supply circuits include electric capacity C11, electric capacity C12, electric capacity C13, electric capacity C14 and linear voltage regulator U3, the Vin pin of described linear voltage regulator U3 connects anode, its Vout pin connects described memorizer U2, its Vss pin ground connection, one end ground connection of described electric capacity C11, the other end connects the Vin pin of described linear voltage regulator U3, one end ground connection of described electric capacity C12, the other end connects the Vin pin of described linear voltage regulator U3, one end ground connection of described electric capacity C13, the other end connects the Vout pin of described linear voltage regulator U3, one end ground connection of described electric capacity C14, the other end connects the Vout pin of described linear voltage regulator U3.
Described power supply circuits are additionally provided with the positive pole of diode D1, described diode D1 and connect anode, and the negative pole of described diode D1 connects the Vin pin of described linear voltage regulator U3.
Described power supply circuits also set up resistance R22 and resistance R23 for limiting electric current, and described R22 is series between the negative pole of diode D1 and the Vin pin of linear voltage regulator U3, and described R23 is series between the Vout pin of linear voltage regulator U3 and memorizer U2.
Beneficial effect
Compared to prior art, invention includes memory communicating circuit, power supply circuits, communication protection circuit；By arranging memory communicating circuit storing device information; battery information is stored in memory communicating circuit; and connect external equipment; exchange with external equipment communication and data; by external equipment identification battery; by power supply circuits output voltage to described memory communicating circuit; memory communicating circuit is protected by communication protection circuit; when mode memory communicating circuit connects external equipment; external voltage electric current burns out memory communicating circuit; can be effectively protected memory communicating circuit, circuit of the present invention has higher safety and stability.
Accompanying drawing explanation
Fig. 1 is the circuit structure block diagram of the present invention；
Fig. 2 is memorizer U2 address table schematic diagram of the present invention；
In figure: 1, power supply circuits；2, memory communicating circuit；3, communication protection circuit.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
A kind of battery intelligent identification management circuit, including memory communicating circuit 2, power supply circuits 1, communication protection circuit 3；
Described memory communicating circuit 2 connects external equipment, for storing device information, is exchanged with external equipment communication and data by XS1 interface, and in the present embodiment, external equipment is the main frame identifying battery information；Wherein XS1 interface arranges data wire SDA, clock cable SCL, carries out data exchange by data wire SDA, clock cable SCL with external equipment in the present embodiment.
Described power supply circuits 1 connect described memory communicating circuit 2, for output voltage to described memory communicating circuit 2；
Described communication protection circuit 3 is connected with the connecting line of described memory communicating circuit 2 and external equipment, is used for protecting memory communicating circuit 2.
In the present embodiment, by arranging memory communicating circuit 2 storing device information, battery information is stored in memory communicating circuit 2, and connect external equipment, exchange with external equipment communication and data, by external equipment identification battery, by power supply circuits 1 output voltage to described memory communicating circuit 2, memory communicating circuit 2 is protected by communication protection circuit 3, when mode memory communicating circuit 2 connects external equipment, external voltage electric current burns out memory communicating circuit 2, memory communicating circuit 2 can be effectively protected, circuit of the present invention has higher safety and stability.
Specifically, described memory communicating circuit 2 includes memorizer U2, and in the present embodiment, memorizer U2 is EEPROM EEPROM, and there is certain memory space inside, can be written and read, be used for storing battery data and with external equipment data communication.
As in figure 2 it is shown, in the address table of a memorizer U2, address that can be different in memorizer U2 writes corresponding data and storage identified later.The value different to address writes different in memorizer U2, when main frame reads the value of correspondence, does the configuration of correspondence for battery.
In the present embodiment being defined the address in memorizer U2, specific definition content is as shown in the table:
When 0X00 address writes respective value 0X01, represent that this battery is that corresponding manufacturer manufactures.Represent that the battery core that this battery is used is corresponding brand, when main frame reads this entry value when 0X01 address write respective value 0X01, it is possible to accurately obtain this brand message, the Curve Matching of correspondence can be done for battery brand.
Work as 0X02,0X03 address write respective value 0X02, during 0X01, represent that this battery is the compound mode of 2S1P.Work as 0X04,0X05 address write respective value 0XD0, during 0X20, represent that this battery charging voltage is 8400mV, when main frame reads this entry value, the charging voltage configuration of correspondence can be carried out for battery.Work as 0X06,0X07 address write respective value 0X4E, during 0X0C, the design capacity representing this battery is 3150mAh, works as 0X08,0X09 address write respective value 0XE8, during 0X1C value, the design voltage representing this battery is 7400mV, works as 0X0A, 0X0B address write respective value 0X4E, during 0X0C, the recommendation maximum discharge current representing this battery is 3.15A, when main frame reads this entry value, can carry out the discharge current configuration of correspondence for battery.When address 0X0C, 0X0D address writes respective value 0XDC, during 0X05, represent that battery recommends charging current to be 1.5A, when main frame reads this entry value, the charging current configuration of correspondence can be carried out for battery.
Address space left can carry out other Function Extensions as required, and including the date of production, factory state etc., to realize Intelligent Recognition and management, therefore the present embodiment autgmentability is strong.
Further, described memory communicating circuit 2 also includes resistance R15, resistance R16, resistance R17, resistance R18, by aforementioned four shunt resistance dividing potential drop, it is ensured that stablizing of the circuit of memory communicating circuit 2, prevents memorizer U2 level from crossing punching.Described memorizer U2 arranges eight pins, and wherein the first pin connects power supply circuits 1 to the 4th pin and the 7th pin ground connection, the 8th pin；Described 6th pin is connected with one end of resistance R15, and the other end of resistance R15 is connected with one end of resistance R16, and the other end of described resistance R16 connects clock cable SCL；Described 5th pin is connected with one end of resistance R17, and the other end of resistance R17 is connected with one end of resistance R18, and the other end of described resistance R18 connects data wire SDA.
Additionally; described communication protection circuit 3 includes stabilivolt VD1, stabilivolt VD2, pull down resistor R19 and pull down resistor R20; described stabilivolt VD1, the plus earth of stabilivolt VD2; the negative pole of described stabilivolt VD1 is connected between described resistance R17 and resistance R18; the negative pole of described stabilivolt VD2 is connected between described resistance R15 and resistance R16; one end ground connection of described pull down resistor R19; the other end is connected between described resistance R15 and resistance R16; one end ground connection of described pull down resistor R20, the other end is connected between described resistance R17 and resistance R18.The effect of communication protection circuit 3 is to protect memory communicating circuit 2, prevents high pressure from scurrying into, stabling current.
And, described power supply circuits 1 include electric capacity C11, electric capacity C12, electric capacity C13, electric capacity C14 and linear voltage regulator U3, in the present embodiment, preferentially use low pressure difference linear voltage regulator, linear voltage regulator U3 that 5V input voltage is turned the output voltage of 3.3V.Electric capacity C11, electric capacity C12, electric capacity C13, electric capacity C14 act primarily as filter action in the loop.R23 plays metering function in the loop, prevent immediate current the biggest, burning the concrete type of attachment of rear end loop is: the Vin pin of described linear voltage regulator U3 connects anode, its Vout pin connects the 8th pin of described memorizer U2, its Vss pin ground connection, one end ground connection of described electric capacity C11, the other end connects the Vin pin of described linear voltage regulator U3, one end ground connection of described electric capacity C12, the other end connects the Vin pin of described linear voltage regulator U3, one end ground connection of described electric capacity C13, the other end connects the Vout pin of described linear voltage regulator U3, one end ground connection of described electric capacity C14, the other end connects the Vout pin of described linear voltage regulator U3.
Further, described power supply circuits 1 are additionally provided with the positive pole of diode D1, described diode D1 and connect anode, and the negative pole of described diode D1 connects the Vin pin of described linear voltage regulator U3, diode D1 one-way conduction, prevent that linear voltage regulator U3 is counter to be filled.
Further, described power supply circuits 1 also set up resistance R22 and resistance R23, and described R22 is series between the negative pole of diode D1 and the Vin pin of linear voltage regulator U3, and described R23 is series between the Vout pin of linear voltage regulator U3 and the 8th pin of memorizer U2.Limit electric current by resistance R22 and resistance R23, maintain stablizing of voltage and current, prevent immediate current too big, burn rear end loop.
The above; being only the present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; the change that can readily occur in or replacement, all should contain within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with scope of the claims.

Claims (7)

1. a battery intelligent identification management circuit, it is characterised in that include memory communicating circuit, confession Electricity circuit, communication protection circuit；
Described memory communicating circuit connects external equipment, sets for storing device information with external Standby communication and data exchange；
Described power supply circuits connect described memory communicating circuit, for output voltage to described storage Communicating circuit；
Described communication protection circuit connects with the connecting line of described memory communicating circuit and external equipment Connect, be used for protecting memory communicating circuit.
A kind of battery intelligent identification management circuit the most according to claim 1, it is characterised in that Described memory communicating circuit includes memorizer U2, is used for storing battery data and with outward Connect device data communication.
A kind of battery intelligent identification management circuit the most according to claim 2, it is characterised in that Described memory communicating circuit also includes resistance R15, resistance R16, resistance R17, resistance R18, Described memorizer U2 arranges the first pin, the second pin；
Described first pin is connected with one end of resistance R15, the other end of resistance R15 and resistance One end of R16 connects, and the other end of described resistance R16 connects external equipment；
Described second pin is connected with one end of resistance R17, the other end of resistance R17 and resistance One end of R18 connects, and the other end of described resistance R18 connects external equipment.
A kind of battery intelligent identification management circuit the most according to claim 3, it is characterised in that Described communication protection circuit include stabilivolt VD1, stabilivolt VD2, pull down resistor R19 and under Pull-up resistor R20, described stabilivolt VD1, the plus earth of stabilivolt VD2, described stabilivolt The negative pole of VD1 is connected between described resistance R17 and resistance R18, described stabilivolt VD2 Negative pole be connected between described resistance R15 and resistance R16, described pull down resistor R19's One end ground connection, the other end is connected between described resistance R15 and resistance R16, described drop-down electricity One end ground connection of resistance R20, the other end is connected between described resistance R17 and resistance R18.
5. manage circuit according to a kind of battery intelligent identification described in claim 2 to 4 any one, It is characterized in that, described power supply circuits include electric capacity C11, electric capacity C12, electric capacity C13, electricity The Vin pin holding C14 and linear voltage regulator U3, described linear voltage regulator U3 is just connecting battery Pole, its Vout pin connects described memorizer U2, its Vss pin ground connection, described electric capacity C11 One end ground connection, the other end connect described linear voltage regulator U3 Vin pin, described electric capacity One end ground connection of C12, the other end connects the Vin pin of described linear voltage regulator U3, described One end ground connection of electric capacity C13, the other end connects the Vout pin of described linear voltage regulator U3, One end ground connection of described electric capacity C14, the other end connects the Vout of described linear voltage regulator U3 Pin.
A kind of battery intelligent identification management circuit the most according to claim 5, it is characterised in that Described power supply circuits are additionally provided with the positive pole of diode D1, described diode D1 and are just connecting battery Pole, the negative pole of described diode D1 connects the Vin pin of described linear voltage regulator U3.
A kind of battery intelligent identification management circuit the most according to claim 6, it is characterised in that Described power supply circuits also set up resistance R22 and resistance R23 for limiting electric current, described R22 It is series between the negative pole of diode D1 and the Vin pin of linear voltage regulator U3, described R23 It is series between the Vout pin of linear voltage regulator U3 and memorizer U2.
CN201610326450.9A 2016-05-17 2016-05-17 Battery intelligent identification and management circuit Pending CN105958568A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610326450.9A CN105958568A (en) 2016-05-17 2016-05-17 Battery intelligent identification and management circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610326450.9A CN105958568A (en) 2016-05-17 2016-05-17 Battery intelligent identification and management circuit

Publications (1)

Publication Number Publication Date
CN105958568A true CN105958568A (en) 2016-09-21

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CN201610326450.9A Pending CN105958568A (en) 2016-05-17 2016-05-17 Battery intelligent identification and management circuit

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102361104A (en) * 2011-10-28 2012-02-22 深圳市欣视景科技有限公司 Battery and battery identification circuit
US20120054304A1 (en) * 2010-03-02 2012-03-01 Qualcomm Incorporated Apparatus and method for user equipment battery information reporting
CN203951172U (en) * 2014-05-30 2014-11-19 福建万众百源实业有限公司 Lithium battery protection board circuit based on NTC paster thermistor element
CN205846754U (en) * 2016-05-17 2016-12-28 福建万众百源实业有限公司 A kind of battery intelligent identification management circuit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120054304A1 (en) * 2010-03-02 2012-03-01 Qualcomm Incorporated Apparatus and method for user equipment battery information reporting
CN102361104A (en) * 2011-10-28 2012-02-22 深圳市欣视景科技有限公司 Battery and battery identification circuit
CN203951172U (en) * 2014-05-30 2014-11-19 福建万众百源实业有限公司 Lithium battery protection board circuit based on NTC paster thermistor element
CN205846754U (en) * 2016-05-17 2016-12-28 福建万众百源实业有限公司 A kind of battery intelligent identification management circuit

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Application publication date: 20160921