CN106169780A - Battery status supervisory systems - Google Patents

Battery status supervisory systems Download PDF

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Publication number
CN106169780A
CN106169780A CN201610160791.3A CN201610160791A CN106169780A CN 106169780 A CN106169780 A CN 106169780A CN 201610160791 A CN201610160791 A CN 201610160791A CN 106169780 A CN106169780 A CN 106169780A
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CN
China
Prior art keywords
battery
supervisory systems
comparator
battery status
data
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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
CN201610160791.3A
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Chinese (zh)
Inventor
顾健
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Shenzhen Gelian Technology Co Ltd
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Shenzhen Gelian Technology Co Ltd
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Publication date
Application filed by Shenzhen Gelian Technology Co Ltd filed Critical Shenzhen Gelian Technology Co Ltd
Priority to PCT/CN2016/077872 priority Critical patent/WO2017113524A1/en
Publication of CN106169780A publication Critical patent/CN106169780A/en
Pending legal-status Critical Current

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    • H02J7/0021

Abstract

A kind of battery status supervisory systems, described battery is connected with electrical equipment, including: sampling resistor, first terminates the electrode of described battery, the second termination discharge and recharge interface;Sample circuit, the electric current of described sampling resistor is flow through in sampling and process obtains sampled data;Analytic unit, by the sudden load change state of present sample data Yu history samples data comparative analysis current power equipment;Transmitting element, is received this current loads mutation status and is sent to user terminal by network.On to utilize the charge or discharge electric current of sample circuit real-time sampling battery electrode processing and amplifying be sampled data, compared the sampled data of the sampled data of present sample Yu pre-stored by analytic unit to be sent by comparative result to user terminal and notify user, this battery status supervisory systems sampling time is short and sampled result is accurate, and monitoring in real time and notice can be realized, efficiency is high.

Description

Battery status supervisory systems
Technical field
The present invention relates to battery cell monitoring technology, particularly relate to a kind of battery status supervisory systems.
Background technology
Traditional battery or set of cells are widely used in electronic installation, and are that electronic installation such as notebook calculates Machine, mobile phone, all kinds of alarms of security type etc. are powered.Current accumulator is extensively applied due to environmental protection In daily life and national product.But accumulator usually needs in application and production process (chemical conversion) Its voltage x current it is monitored, to reach the purposes such as safe handling, optimal control, raising performance.
Accumulator is carried out automatically-monitored by the domestic Duo Jia mechanism new method that begins one's study.At battery monitor In, mainly for single battery voltage, the detection of battery voltage, electric current and temperature.At present, people In series battery, carried out substantial amounts of research in the measurement problem of monomer battery voltage.Mainly there are three kinds Method: first, constantly switches every battery in set of cells with relay, makes each moment have one Battery is detected, and this method has the most serious shortcoming, and switch speed is slow, and can not calculate accurately Magnitude of voltage, and it is readily incorporated interference, it has been eliminated;Second, use the mode of analog switch to carry out The gating of monomer battery voltage passage, this method there is also certain shortcoming, and complex circuit, at small-signal In the range of poor linearity, precision is low;3rd, use photoelectric isolating device and bulky capacitor to carry out sampling and keep, But this circuit to there is also the sampling time long, the shortcomings such as precision is low.
Summary of the invention
Present invention aim at providing a kind of battery status supervisory systems that can monitor battery status in real time, it is intended to The monitor mode efficiency of solution current battery state is low, the problem of sampling time length.
The invention provides a kind of battery status supervisory systems, described battery is connected with electrical equipment, including:
Sampling resistor, first terminates the electrode of described battery, the second termination discharge and recharge interface;
Sample circuit, is connected with the two ends of described sampling resistor, and sampling flows through the electric current of described sampling resistor also Process obtains sampled data;
Analytic unit, is connected with described sample circuit, receives described sampled data and analyzes, and will currently adopt Sample data and the sudden load change state of history samples data comparative analysis current power equipment;
Transmitting element, is connected with described analytic unit, receives this current loads mutation status and is sent out by network Deliver to user terminal.
Above-mentioned battery status supervisory systems utilizes the charge or discharge electricity of sample circuit real-time sampling battery electrode Stream processing and amplifying are sampled data, by analytic unit adopting the sampled data of present sample and pre-stored Sample data compare the comparative result of the sudden load change state obtaining can confirm that subscriber equipment, and pass through net Comparative result is sent and notifies user to user terminal by network, and this battery status supervisory systems sampling time is short and adopts Sample result is accurate, and can realize monitoring in real time and notice, and efficiency is high.
Accompanying drawing explanation
Fig. 1 is the module diagram of battery status supervisory systems in present pre-ferred embodiments;
Fig. 2 is analytic unit and the transmitting element module diagram of battery status supervisory systems shown in Fig. 1;
Fig. 3 is sample circuit and the schematic diagram of indicating circuit of battery status supervisory systems shown in Fig. 1;
Fig. 4 is that in an embodiment, the structure being integrated in cell apparatus of battery status supervisory systems shown in Fig. 1 is shown It is intended to;
Fig. 5 (A), 5 (B) are respectively the collection of battery status supervisory systems shown in Fig. 1 in another embodiment The master becoming cell apparatus regards and plan structure schematic diagram;
Fig. 6 is that in an embodiment, the structure being fixed on cell apparatus of battery status supervisory systems shown in Fig. 1 is shown It is intended to.
Detailed description of the invention
In order to make the technical problem to be solved in the present invention, technical scheme and beneficial effect clearer, with Lower combination drawings and Examples, are further elaborated to the present invention.Should be appreciated that described herein Specific embodiment only in order to explain the present invention, be not intended to limit the present invention.
Refer to Fig. 1, in present pre-ferred embodiments battery status supervisory systems for monitoring use for Electrical equipment power in battery status and electrical equipment current loads mutation status, the most now battery 10 with use Electricity equipment connects, and battery 10 state supervisory systems includes sampling resistor Rsense, sample circuit 20, analyzes Unit 30 and transmitting element 40.
In the present embodiment, with reference to Fig. 2, analytic unit 30 includes single-chip microprocessor MCU, or also includes that modulus turns Parallel operation ADC, or also include storage chip ROM;Transmitting element 40 includes RF radio-frequency antenna RF.And Analytic unit 30 and transmitting element 40 are integrated in wireless radio frequency modules 100, and wireless radio frequency modules 100 collects Become to have storage chip ROM.In other embodiments, analytic unit 30, transmitting element 40, storage core Sheet ROM uses respectively and is independently arranged.It addition, storage chip ROM can also be integrated in single-chip microprocessor MCU In.Therefore, at this, not limiting analysis unit 30, transmitting element 40 and storage chip ROM's is concrete real Existing mode.
In the present embodiment, in conjunction with the electricity of the first termination battery 10 of Fig. 1 and Fig. 2, sampling resistor Rsense Pole, the second termination discharge and recharge interface 11 of sampling resistor Rsense.Sample circuit 20 and sampling resistor Rsense Two ends connect, the electric current of sample streams over-sampling resistance Rsense process obtain sampled data.Analytic unit 30 are connected with sample circuit 20, and analytic unit 30 receives sampled data and analyzes, and analytic unit 30 receives Described sampled data the sudden load change state of comparative analysis current power equipment.More specifically, will currently adopt Sample data and the sudden load change state of history samples data comparative analysis current power equipment.Transmitting element 40 It is connected with analytic unit 30, receives this current loads mutation status and sent to user terminal by network.Tool Body ground, sampled data is voltage data and/or current data.This user terminal can include cloud server 300, it is also possible to include the mobile terminal 400 being connected with cloud server 300 network, such as mobile phone, Ge Renji Calculation machine etc..
Wherein in an embodiment, analytic unit 30 first determines whether electrical equipment after receiving sampled data The data used first;The most then present sample data are stored as history samples data;Otherwise will be current Sampled data and history samples data comparative analysis.The storage chip that i.e. can be read by analytic unit 30 ROM, it is determined whether have preservation sampled data, if without preserving sampled data in storage chip ROM, then Judge that this equipment is as using first.Analytic unit 30 can automatically store this current sampled data and be stored as history Sampled data.
Wherein in an embodiment, system also includes that button 200, button 200 are connected with analytic unit 30, Store or change history samples data by button 200.I.e. can manually store sampled data and be stored as history Sampled data.When user uses this electrical equipment first when, user can use short by button 200 Sampled data (such as current scale) after record is stable.It addition, when user needs to reset current scale When, user can use length to remove the sampled data recorded before, then record again by button 200 Sampled data.
In a particular embodiment, sample circuit 20 send after voltage data (sampled data) processing and amplifying Enter in less radio-frequency in embedded single-chip microprocessor MCU, the ADC (analog-digital converter in single-chip microprocessor MCU ADC) collect voltage, analyze input voltage size.Single-chip microprocessor MCU determines whether that subscriber equipment is first Secondary use, if using equipment first, then the voltage data used first is saved in storage chip ROM In;If not using equipment first, then by voltage data and the voltage data comparative analysis using collection first Afterwards by the incoming cloud server of wireless network 300, the incoming personal terminal of cloud server 300 remind and use Family machine utilization mutation status, please user check in time.
Furthermore it is also possible to judged the sudden load change state of electrical equipment by comparative analysis size of current.Tool Body, what this size of current can be stable makes for the load condition judging load equipment with equipment working state is No normally using this electrical equipment first, system can read the storage chip ROM of inside, it is determined whether has guarantor Deposit current data, if without preserving current data in storage chip ROM, then judge that this equipment is as making first With.If not using equipment first, then by current data and the current data comparative analysis using collection first Afterwards by the incoming cloud server of wireless network 300, the incoming personal terminal of cloud server 300 remind and use Family machine utilization mutation status, please user check in time.
In the particular embodiment, after sample circuit 20 collects current data by sampling resistor Rsense It is sent to after being converted into voltage data in amplifier carry out after processing and amplifying exporting and comparison process.The present embodiment In, sample circuit 20 includes the first comparator A1, the second comparator A2, the first switching tube Q1 and Two switching tube Q2.
The normal phase input end of the first comparator A1 and the inverting input of the second comparator A2 connect sampling electricity successively First end of resistance Rsense, the inverting input of the first comparator A1 and the positive of the second comparator A2 are defeated Enter end and connect second end of sampling resistor Rsense successively;The output of the first comparator terminates the first switching tube Q1 Control end, the second comparator A2 output termination second switch pipe Q2 control end, the first switching tube First end of the input termination sampling resistor Rsense of Q1, the input termination sampling resistor of second switch pipe Q2 Second end of Rsense, the outfan of the first switching tube Q1 and second switch pipe Q2 is simultaneously and analytic unit The input of 30 connects.
Further, sample circuit 20 also includes the first diode D1 and the second diode D2.One or two The anode of pole pipe D1 connects the outfan of the first comparator A1, and negative electrode connects the control end of the first switching tube Q1; The anode of the second diode D2 connects the outfan of the second comparator A2, and negative electrode connects the control of second switch pipe Q2 End processed.
Wherein, when input current is by first end of sampling resistor Rsense to the second of sampling resistor Rsense End, then the first switching tube Q1 opens, the ADC of the first comparator A1 output high level to analytic unit 30 Input, the electric current of input shows as voltage system, and now battery 10 is in load model.Work as input current By the first end of second end of sampling resistor Rsense to sampling resistor Rsense, second switch pipe Q2 opens, The ADC input of the second comparator A2 output high level analytic unit 30, now battery 10 is in charging Pattern, can be expressed as charging current.
System also includes that indicating circuit 50, indicating circuit 50 are connected with sample circuit 20, is used for indicating battery 10 are in charged state or discharge condition.Preferably, indicating circuit 50 includes the 3rd comparator A3 and instruction Lamp LED, one in the normal phase input end of the 3rd comparator A3 and inverting input connects the first comparator Outfan, another connects the outfan of the second comparator A2, the output termination display lamp of the 3rd comparator A3 LED.When input current is by the second end of first end of sampling resistor Rsense to sampling resistor Rsense, First comparator A1 exports high level, and the 3rd comparator A3 output level is high, is now in load model, When input current is by the first end of second end of sampling resistor Rsense to sampling resistor Rsense, and second opens Closing pipe Q2 to open, the second comparator A2 exports high level, and the 3rd comparator A3 output level is low, this Time be in charge mode.
Preferably, the first switching tube Q1 and second switch pipe Q2 is NPN type triode, switching tube defeated Enter end, outfan, control end are respectively the colelctor electrode of NPN type triode, emitter stage, base stage.
More specifically, system also includes the voltage conversion circuit being connected with battery 10, this voltage conversion circuit is Analytic unit 30, transmitting element 40, be wireless radio frequency modules 100, single-chip microprocessor MCU, analog digital conversion Device ADC, RF radio-frequency antenna RF etc. power.This voltage conversion circuit can be BUCK circuit, it is possible to Think Boost circuit.
With reference to Fig. 4, in a preferred embodiment, battery status supervisory systems is built in the electricity including battery 10 In pool device 30.So, battery status supervisory systems is integrated in cell apparatus 30, is using this electricity During pool device 30, then need not additionally arrange the battery status maintenance device mated with battery 10, Ke Yijie Save R & D design flow process and funds.
Specifically, in one embodiment, sampling resistor Rsense, sample circuit 10 and indicating circuit 50 It is arranged on first circuit board 62, and this first circuit board 62 is arranged at the one end in cell apparatus 30, nothing It is another that line radio-frequency module 100 (including analytic unit 30 and transmitting element 40) is arranged in cell apparatus 30 One end, centre is separated by with battery 10.Reduce the phase between circuit and the wireless radio frequency modules of discrete component composition Interference mutually, also to the internal protected effect of battery 10.In other embodiments, the electricity of discrete component composition Road and wireless radio frequency modules can be separately positioned on the opposite sides of battery 10.In the present embodiment, the first circuit Plate 62 is pcb board.
In another embodiment, with reference to Fig. 5 (A) and Fig. 5 (B), sampling resistor Rsense, sampling Circuit 10 and described wireless radio frequency modules 100 are arranged on second circuit board 64, described second circuit board 64 It is inserted in described cell apparatus 30, is positioned at the side of described battery 10.In the present embodiment, second circuit Plate 64 is pcb board.
It addition, in other embodiments, battery status supervisory systems can also be arranged at outside cell apparatus 30 Portion, refers to Fig. 6, sampling resistor Rsense, sample circuit 10 and described wireless radio frequency modules 64 and arranges In tertiary circuit, on 66, described tertiary circuit plate 66 is attached at the cell apparatus including battery 10 by gum Outside 30.In the present embodiment, tertiary circuit plate 66 is flexible PCB, naturally it is also possible to for common PCB Plate.
Above-mentioned battery 10 state supervisory systems utilizes the charging of sample circuit 20 real-time sampling battery 10 electrode Or discharge current processing and amplifying are sampled data, by analytic unit 30 by the sampled data of present sample with The sampled data of pre-stored compares the comparison knot of the sudden load change state obtaining can confirm that subscriber equipment Really, and by network, to user terminal 400, comparative result transmission being notified user, this battery 10 state is supervised The systematic sampling time is short and sampled result accurate, and can realize monitoring in real time and notice, and efficiency is high.
These are only presently preferred embodiments of the present invention, not in order to limit the present invention, all the present invention's Any amendment, equivalent and the improvement etc. made within spirit and principle, should be included in the guarantor of the present invention Within the scope of protecting.

Claims (15)

1. a battery status supervisory systems, described battery is connected with electrical equipment, it is characterised in that including:
Sampling resistor, first terminates the electrode of described battery, the second termination discharge and recharge interface;
Sample circuit, is connected with the two ends of described sampling resistor, and sampling flows through the electric current of described sampling resistor also Process obtains sampled data;
Analytic unit, is connected with described sample circuit, receives described sampled data and analyzes, and will currently adopt Sample data and the sudden load change state of history samples data comparative analysis current power equipment;
Transmitting element, is connected with described analytic unit, receives this current loads mutation status and is sent out by network Deliver to user terminal.
2. battery status supervisory systems as claimed in claim 1, it is characterised in that described analytic unit connects The data that described electrical equipment uses first are first determined whether after receiving described sampled data;The most then ought Front sampled data is stored as described history samples data;Otherwise by present sample data and described history samples number According to comparative analysis.
3. battery status supervisory systems as claimed in claim 1, it is characterised in that described system also includes Button, described button is connected with described analytic unit, stores or change described history samples by described button Data.
4. the battery status supervisory systems as described in any one of claims 1 to 3, it is characterised in that described Sampled data includes voltage data and/or current data.
5. the battery status supervisory systems as described in any one of claims 1 to 3, it is characterised in that described Sample circuit includes the first comparator, the second comparator, the first switching tube and second switch pipe, wherein:
The normal phase input end of described first comparator and the inverting input of described second comparator connect described successively First end of sampling resistor, the inverting input of described first comparator and the positive of described second comparator are defeated Enter end and connect the second end of described sampling resistor successively;
The output of described first comparator terminates the control end of described first switching tube, described second comparator Output terminates the control end of described second switch pipe, and the input of described first switching tube terminates described sampling resistor The first end, described second switch pipe input terminate described sampling resistor the second end, described first switch The outfan of pipe and described second switch pipe is connected with the input of described analytic unit simultaneously.
6. battery status supervisory systems as claimed in claim 5, it is characterised in that described sample circuit is also Including:
First diode, anode connects the outfan of described first comparator, and negative electrode connects described first switching tube Control end;
Second diode, anode connects the outfan of described second comparator, and negative electrode connects described second switch pipe Control end.
7. battery status supervisory systems as claimed in claim 5, it is characterised in that described system also includes Indicating circuit, described indicating circuit is connected with described sample circuit, is used for indicating described battery to be in charging shape State or discharge condition.
8. battery status supervisory systems as claimed in claim 7, it is characterised in that described indicating circuit bag Include the 3rd comparator and display lamp, in the normal phase input end of described 3rd comparator and inverting input Connecing the outfan of described first comparator, another connects the outfan of described second comparator, described 3rd ratio The output of relatively device terminates described display lamp.
9. battery status supervisory systems as claimed in claim 1, it is characterised in that described analytic unit and Transmitting element is integrated in wireless radio frequency modules, and described wireless radio frequency modules is integrated with storage chip.
10. the battery status supervisory systems as described in claim 1 or 9, it is characterised in that described analysis Unit includes single-chip microcomputer.
The 11. battery status supervisory systems as described in claim 1 or 9, it is characterised in that described transmission Unit includes RF radio-frequency antenna.
12. battery status supervisory systems as claimed in claim 9, it is characterised in that described battery status Supervisory systems is built in the cell apparatus including described battery.
13. battery status supervisory systems as claimed in claim 12, it is characterised in that described sampling resistor, It is arranged on first circuit board with sample circuit;And described first circuit board is arranged in described cell apparatus One end, described wireless radio frequency modules is arranged at the other end in described cell apparatus, middle with described battery phase Every.
14. battery status supervisory systems as claimed in claim 12, it is characterised in that described sampling resistor, Sample circuit and wireless radio frequency modules are arranged on second circuit board, and described second circuit board is inserted in described electricity In pool device, it is positioned at the side of described battery.
15. battery status supervisory systems as claimed in claim 9, it is characterised in that described sampling resistor, Sample circuit and wireless radio frequency modules are arranged on tertiary circuit plate, and described tertiary circuit plate is attached at and includes institute State outside the cell apparatus of battery.
CN201610160791.3A 2015-12-28 2016-03-21 Battery status supervisory systems Pending CN106169780A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/077872 WO2017113524A1 (en) 2015-12-28 2016-03-30 Battery state supervision system

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CN2015110030120 2015-12-28
CN201511003012 2015-12-28

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CN107994652A (en) * 2017-12-28 2018-05-04 深圳市创新微源半导体有限公司 A kind of circuit for monitoring battery charging and discharging and the electric quantity measuring system based on the circuit
CN109085510A (en) * 2018-09-12 2018-12-25 江苏金帆电源科技有限公司 A kind of electric current on-line checking of more charge and discharge electric channels and auto-calibration circuits and method
CN110927583A (en) * 2019-12-03 2020-03-27 深圳宝龙达信创科技股份有限公司 Battery power detection device and battery power test method

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Cited By (4)

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Publication number Priority date Publication date Assignee Title
CN107994652A (en) * 2017-12-28 2018-05-04 深圳市创新微源半导体有限公司 A kind of circuit for monitoring battery charging and discharging and the electric quantity measuring system based on the circuit
CN107994652B (en) * 2017-12-28 2020-08-07 深圳市创新微源半导体有限公司 Circuit for monitoring charging and discharging of battery and electric quantity metering system based on circuit
CN109085510A (en) * 2018-09-12 2018-12-25 江苏金帆电源科技有限公司 A kind of electric current on-line checking of more charge and discharge electric channels and auto-calibration circuits and method
CN110927583A (en) * 2019-12-03 2020-03-27 深圳宝龙达信创科技股份有限公司 Battery power detection device and battery power test method

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Application publication date: 20161130