CN106169780A - Battery status supervisory systems - Google Patents
Battery status supervisory systems Download PDFInfo
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- 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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- 238000005070 sampling Methods 0.000 claims abstract description 49
- 238000010835 comparative analysis Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 10
- 230000035772 mutation Effects 0.000 claims abstract description 7
- 230000005611 electricity Effects 0.000 claims description 8
- 238000004458 analytical method Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 5
- 230000000052 comparative effect Effects 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
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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
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/CN2016/077872 WO2017113524A1 (en) | 2015-12-28 | 2016-03-30 | Battery state supervision system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN2015110030120 | 2015-12-28 | ||
CN201511003012 | 2015-12-28 |
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CN201610160791.3A Pending CN106169780A (en) | 2015-12-28 | 2016-03-21 | Battery status supervisory systems |
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Cited By (3)
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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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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 |
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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 |