CN107064820A - It is a kind of directly to see the low cost integration hourglass of the life of storage battery - Google Patents

It is a kind of directly to see the low cost integration hourglass of the life of storage battery Download PDF

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Publication number
CN107064820A
CN107064820A CN201710461059.4A CN201710461059A CN107064820A CN 107064820 A CN107064820 A CN 107064820A CN 201710461059 A CN201710461059 A CN 201710461059A CN 107064820 A CN107064820 A CN 107064820A
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CN
China
Prior art keywords
hourglass
hole area
battery
area control
slippage slot
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
CN201710461059.4A
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Chinese (zh)
Inventor
申江卫
刘昱
陈蜀乔
陈峥
肖仁鑫
颜文胜
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.)
China Automotive Technology and Research Center Co Ltd
Kunming University of Science and Technology
Original Assignee
China Automotive Technology and Research Center Co Ltd
Kunming University of Science and Technology
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Application filed by China Automotive Technology and Research Center Co Ltd, Kunming University of Science and Technology filed Critical China Automotive Technology and Research Center Co Ltd
Priority to CN201710461059.4A priority Critical patent/CN107064820A/en
Publication of CN107064820A publication Critical patent/CN107064820A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/382Arrangements for monitoring battery or accumulator variables, e.g. SoC
    • G01R31/3828Arrangements for monitoring battery or accumulator variables, e.g. SoC using current integration

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

The present invention is by divider resistance(11), adjustable resistance(12), back-moving spring(13), it is positive and negative concatenation voltage-stabiliser tube pair(14), potential winding(15), hourglass slippage slot(17), hourglass slippage slot supporting plate hourglass hole area control U-type groove(18), hourglass hole area control sheet U-type groove(19), hourglass hole area control sheet(20), the control of hourglass hole area it is unshakable in one's determination(21), ferromagnet(22), current coil(23), sliding cavity unshakable in one's determination(24), hourglass slippage slot supporting plate(25)Constitute;Can be according to relation property between battery life and electric current, electric current, design make it that hourglass hole area constitutes non-linear relation with electric current to each other, high current and the situation of battery life are simulated, so we can just judge the life-span of battery by observing the hourglass of a very low cost.Present invention, avoiding complicated circuit structure, have broad application prospects and market prospects.

Description

It is a kind of directly to see the low cost integration hourglass of the life of storage battery
Technical field
The low cost integration hourglass of the life of storage battery can be directly seen the present invention relates to a kind of, belongs to battery management technique neck Domain.
Background technology
Cell management system of electric automobile(BMS)It is the important device for improving vehicle mounted dynamic battery performance, its major function Including:The life of storage battery;Battery physical parameter is monitored in real time;Battery status is estimated;Inline diagnosis and early warning;Charge and discharge with it is pre- Fill control;Balanced management and heat management etc..
In battery charge and discharge process, every piece of battery in accumulator of electric car group (should be power battery pack) is gathered in real time Terminal voltage and temperature, charging and discharging currents and battery bag total voltage, prevent battery from occurring overcharge or overdischarge phenomenon.While energy It is enough to provide battery condition in time, problematic battery is picked out, the reliability and high efficiency of whole group battery operation is kept, makes residue Electricity estimation model is implemented as possibility.In addition, the usage history archives of every piece of battery are also set up, are further excellent Change and develop Novel electric, charger, motor etc. and data is provided, foundation is provided for the off-line analysis system failure.In addition, passing through mould Type assesses the residual life it is estimated that battery.Current power-supply management system is by collection plate(Collection voltages, electric current, temperature, Use 16 single-chip microcomputers);Master control borad(Communicated with Full Vehicle System, control charger, use 16 single-chip microcomputers);Color liquid crystal Screen(Using serial port liquid crystal screen, band is touched, and realizes human-computer interaction function)Constitute.Its major function:1)Capacity predicts SOC(Filling On-line real time monitoring battery capacity in discharge process, provides the residual capacity of battery system at any time);2)Excessively stream, overvoltage, temperature are protected Shield(When excessively stream, overvoltage, even pressure and temperature exceeding standard occurs in battery system, battery charging and discharging loop can be automatically cut off, and notify pipe Reason system sends warning signal);3)Charging controller(When the carrying capacity of battery is less than 45%, according to current voltage, to filling Electric current claims, when reaching or stop charging during carrying capacity more than 70%);4)Charge balancing(In charging process, By adjusting single battery charging current mode, it is ensured that the battery terminal voltage of all batteries is carved with when each good in system Uniformity);5)Self-inspection is alarmed(Whether automatic detection battery functi on is normal, and battery validity is judged in time, if finding system When having battery failure to fail or increase with other battery inconsistencies in system, then notifying management system, which is sent, warns Signal);6)Communication function(Communicated by the way of CAN with vehicle management system);7)Parameter setting(It can set The various parameters of system operation);8)Managing system of above position machine:Battery management system devises corresponding host computer machine management system System, can read real time data by serial ports, and the functions such as monitoring, data dump and the battery performance analysis of BMS data can be achieved, Data can flexible interface monitor, charger, siren, frequency converter, power switch, relay switch etc., and can be set with these Standby coordinated operation.
Electric car future will originate by main power drive of lithium battery, pass through battery management system at present(BMS)Can be accurate Battery pack behaviour in service is really measured, the output of battery and charging current situation characterize the health status of battery.But cell tube Manage system cost high, it is complicated, therefore, the health status of battery pack how is intuitively judged, using a kind of inexpensive dress Put, directly perceived to survey the life-span for connecing thing battery, there is presently no feasible technology, the problems demand is solved.
The content of the invention
The present invention can directly see the low cost integration hourglass of the life of storage battery to be a kind of, can directly judge the longevity of battery Life.
The present invention is by battery bag casing(1), cell(7), divider resistance(11), adjustable resistance(12), back-moving spring (13), it is positive and negative concatenation voltage-stabiliser tube pair(14), potential winding(15), led lamp beads(16), hourglass slippage slot(17), hourglass slippage slot Supporting plate hourglass hole area controls U-type groove(18), hourglass hole area control sheet U-type groove(19), hourglass hole area control sheet (20), the control of hourglass hole area it is unshakable in one's determination(21), ferromagnet(22), current coil(23), sliding cavity unshakable in one's determination(24), hourglass slide Move groove supporting plate(25), thermo-fuse(27)Constitute;
The positive electrode current output conductor wire of Battery case is divided into two-way, is all the way DC output end, concatenates current coil(23)Afterwards extremely Load, another road concatenation divider resistance R(11), adjustable resistance(12), led lamp beads(16), it is positive and negative concatenation voltage-stabiliser tube pair(14)Afterwards A potential winding is concatenated again(15)To negative pole end, coil inside is electromagnet(22), one end implantation hourglass sliding of electromagnet Groove supporting plate(25)Right-hand member iron core sliding cavity(24)Interior, the left end of the cavity is provided with hourglass hole area control iron core(21), The control of hourglass hole area is unshakable in one's determination(21)With hourglass hole area control sheet(20)It is connected, hourglass hole area control sheet (20)It is interior to be provided with hourglass hole area control sheet U-type groove(19), hourglass slippage slot supporting plate(25)It has been embedded in hourglass slippage slot support Plate hourglass hole area controls U-type groove(18), hourglass slippage slot supporting plate hourglass hole area control U-type groove(18)Stacking is placed in Hourglass hole area control sheet U-type groove(19)On, when both occur relative motion, hourglass hole area changes.
Current integration hourglass(26)Overall embedded battery bag casing(1)Outer wall on.
Voltage-stabiliser tube pair(14)Conducting voltage threshold value be higher than battery quiescent voltage.
Battery bag casing is provided with battery bag roof box(2), the ventilative base of battery bag casing(3), air-permeating hole(4), electricity Pond group bottom end cover(5), battery bag box bottom(6), cell(7), battery pack sleeve(8), battery pack upper end cover(9), heat Convection ventilation window mouthful(10);Battery bag roof box(2)With battery bag box bottom(6)Battery pack bottom end cover(5)And battery Group upper end cover(9)Between battery pack sleeve is installed(8), sleeve pipe is built with cell(7), battery pack upper end cover(9)Top is set Put thermal convection current ventilation window(10), battery bag casing bottom sets the ventilative base of battery bag casing(3)And air-permeating hole(4), battery Group sleeve pipe(9)Inwall and cell(7)There is bar in battery pack sleeve between outer wall so that battery pack sleeve(9)Inwall and monomer Battery(7)There is gap between outer wall, gap is more than 0.1 millimeter, the sleeve pipe close-packed arrays of battery pack, every 8 sleeve pipe battery packs Constitute a measuring unit.
Operation principle:The positive electrode current output conductor wire of Battery case is divided into two-way, is all the way DC output end, concatenation electricity Streamline circle(23)Afterwards to loading, another road concatenates divider resistance R(11), adjustable resistance(12), led lamp beads(16)With positive and negative concatenation Voltage-stabiliser tube pair(14)Concatenate a potential winding again afterwards(15)To negative pole end.Therefore, current coil is concatenated(15)In electric current just Than the electric current that load is terminated in direct current output.And the life-span of battery is closely bound up with output input current, charge each time Life-span with discharge battery is all in decay, therefore we may determine that the life-span of this battery using this characteristic, particularly It is serious to the injury of battery for high current charge-discharge, has a strong impact on the life-span of battery, and the discharge and recharge of this high current It is that judgement can not be realized by kilowatt-hour meter, because influence of the high current to battery life is nonlinear, rather than linear superposition. Because output input current is proportional to current coil(23)Electric current, then electric current is bigger, and magnetic field is stronger.One end of electromagnet It is implanted into hourglass slippage slot supporting plate(25)Right-hand member iron core sliding cavity(24)Interior, the left end of the cavity is provided with hourglass hole area control System is unshakable in one's determination(21), hourglass hole area control iron core(21)With hourglass hole area control sheet(20)It is connected, hourglass hole Area control piece(20)It is interior to be provided with hourglass hole area control sheet U-type groove(19), hourglass slippage slot supporting plate(25)It has been embedded in sand Leak slippage slot supporting plate hourglass hole area control U-type groove(18), hourglass slippage slot supporting plate hourglass hole area control U-type groove(18) Stacking is placed in hourglass hole area control sheet U-type groove(19)On, when both occur relative motion, hourglass hole area hair Raw to change, this special structure make it that when electric current changes, the area of hourglass hole can change, Wo Menye Can be according to the non-linear relation characteristic of battery life and electric current, design changes the control of hourglass slippage slot supporting plate hourglass hole area U-type groove(18)With hourglass hole area control sheet U-type groove(19)Shape so that hourglass hole area and electric current are constituted to each other The situation of non-linear relation, simulation high current and battery life, finally realizes and judges electricity by the hourglass of a very low cost The life-span in pond.
Influence of the voltage to battery life.Consider another road concatenation divider resistance R(11), adjustable resistance(12), led lamp beads (16), it is positive and negative concatenation voltage-stabiliser tube pair(14)Concatenate a potential winding again afterwards(15)To negative pole end.When discharge and recharge, especially It is when charging, if overtension, influence also to be produced on the life-span of battery, therefore be also contemplated that high voltage to battery The influence in life-span.Due to being provided with positive and negative voltage-stabiliser tube pair(14), the conducting voltage threshold value of the voltage-stabiliser tube pair is higher than battery tension, Therefore when battery discharge, this route road is no electric current;If one high voltage of input is charged, this when Influence will be produced on the life-span of battery, charging voltage threshold value is higher than voltage-stabiliser tube pair(14)Conducting voltage threshold value, the road electricity Road is powered, and electric current passes through potential winding(15), produce magnetic field, on the other hand, current coil(23)Also magnetic field, two magnetic fields are produced It is overlapped so that ferromagnet(22)Magnetic force becomes strong, and its course of work is same as described above, and hourglass hole area changes.I The non-linear relation constituted can also be integrated according to battery life and voltage, electric current, it is husky that design changes hourglass slippage slot supporting plate Small opening hole area control U-type groove(18)With hourglass hole area control sheet U-type groove(19)Shape so that hourglass hole to each other Area constitutes the situation of non-linear relation, simulation high-voltage charge and battery life with electric current, finally realizes extremely low by one The hourglass of cost judges the life-span of battery.
Two kinds of situations of summary, it is possible to more accurately judge the life-span of battery.
Battery bag roof box(2)With battery bag box bottom(6)Sleeve pipe fixation hollow round platform(19)Position is coaxially right Should, battery pack sleeve is installed between two round platforms(9), sleeve pipe is built with cell(7), battery pack sleeve(9)Inwall and list Body battery(7)There is bar in battery pack sleeve between outer wall(11)So that battery pack sleeve(9)Inwall and cell(7)Outer wall it Between there is gap, gap is more than 0.1 millimeter, the sleeve pipe close-packed arrays of battery pack, and it is single that every 8 sleeve pipe battery packs constitute a measurement Member, the battery anode electric current output conductor wire of each battery cartridge, such structure contributes to radiating.For battery radiating For, when battery-heating amount is less, the temperature and circumstance of temperature difference of inside battery are smaller, but in general environment temperature will Height, the air of cell meeting circumference, exist because cell is among sleeve pipe, between battery giant's pipe again between Gap, then just generates thermal convection current phenomenon, and hot-air rises, and it is next that cold air has bottom to be supplemented in, and air-flow is formed, timely list Body battery(7)The heat of surrounding is taken away, from thermal convection current ventilation window(10)Discharge so that the heat in battery bag is distributed in time, Heat accumulation effect will not be produced so that the temperature limiting of battery is within the scope of one rational.Such structure can arbitrarily more Change the cell of battery bag.
Beneficial effect:The present invention can be designed according to relation property between battery life and electric current and voltage and change hourglass Slippage slot supporting plate hourglass hole area controls U-type groove(18)With hourglass hole area control sheet U-type groove(19)Shape so that Hourglass hole area constitutes the situation of non-linear relation, simulation high current and battery life with electric current around here, and so we can To judge the life-span of battery by observing the hourglass of a very low cost.Present invention, avoiding complicated circuit structure, have Wide application prospect and market prospects.
Brief description of the drawings
Fig. 1 is structure schematic front view of the present invention.
Fig. 2 battery pack currents export integrated circuit schematic diagram.
Fig. 3 is current integration hourglass configuration figure.
Fig. 1-3:1. battery bag casing, 2. battery bag roof box, the 3. ventilative bases of battery bag casing, 4. air-permeating holes, 5. Battery pack bottom end cover, 6. battery bag box bottoms, 7. cells, 8. battery pack sleeves, 9. battery pack upper end covers, 10. heat are right Stream ventilation window, 11. divider resistances, 12. adjustable resistances, 13. back-moving springs, 14. positive and negative concatenation voltage-stabiliser tubes pair, 15. pressure-wires Circle, 16.led lamp beads, 17. hourglass slippage slots, 18. hourglass slippage slot supporting plate hourglass hole areas control U-type groove, 19. hourglass holes Hole area control piece U-type groove, 20. hourglass hole area control sheets, 21. hourglass hole areas control is unshakable in one's determination, 22. ferromagnets, 23. Current coil, 24. sliding cavitys unshakable in one's determination, 25. hourglass slippage slot supporting plates, 26. current integration hourglasses, 27. thermo-fuses.
Embodiment
With reference to the accompanying drawings and examples, the invention will be further described, but present disclosure be not limited to it is described Scope.
Referring to accompanying drawing 1 to Fig. 3:It is bright by battery bag casing(1), cell(7), divider resistance(11), adjustable resistance (12), back-moving spring(13), it is positive and negative concatenation voltage-stabiliser tube pair(14), potential winding(15), led lamp beads(16), hourglass slippage slot (17), hourglass slippage slot supporting plate hourglass hole area control U-type groove(18), hourglass hole area control sheet U-type groove(19), hourglass Hole area control sheet(20), the control of hourglass hole area it is unshakable in one's determination(21), ferromagnet(22), current coil(23), sliding unshakable in one's determination Cavity(24), hourglass slippage slot supporting plate(25), thermo-fuse(27)Constitute;
The positive electrode current output conductor wire of Battery case is divided into two-way, is all the way DC output end, concatenates current coil(23)Afterwards extremely Load, another road concatenation divider resistance R(11), adjustable resistance(12), led lamp beads(16), it is positive and negative concatenation voltage-stabiliser tube pair(14)Afterwards A potential winding is concatenated again(15)To negative pole end, coil inside is electromagnet(22), one end implantation hourglass sliding of electromagnet Groove supporting plate(25)Right-hand member iron core sliding cavity(24)Interior, the left end of the cavity is provided with hourglass hole area control iron core(21), The control of hourglass hole area is unshakable in one's determination(21)With hourglass hole area control sheet(20)It is connected, hourglass hole area control sheet (20)It is interior to be provided with hourglass hole area control sheet U-type groove(19), hourglass slippage slot supporting plate(25)It has been embedded in hourglass slippage slot support Plate hourglass hole area controls U-type groove(18), hourglass slippage slot supporting plate hourglass hole area control U-type groove(18)Stacking is placed in Hourglass hole area control sheet U-type groove(19)On, when both occur relative motion, hourglass hole area changes.
Current integration hourglass(26)Overall embedded battery bag casing(1)Outer wall on.
Voltage-stabiliser tube pair(14)Conducting voltage threshold value be higher than battery quiescent voltage.

Claims (3)

1. a kind of can directly see the low cost integration hourglass of the life of storage battery, it is characterized in that by the present invention by battery bag casing(1)、 Cell(7), divider resistance(11), adjustable resistance(12), back-moving spring(13), it is positive and negative concatenation voltage-stabiliser tube pair(14), voltage Coil(15), led lamp beads(16), hourglass slippage slot(17), hourglass slippage slot supporting plate hourglass hole area control U-type groove(18)、 Hourglass hole area control sheet U-type groove(19), hourglass hole area control sheet(20), the control of hourglass hole area it is unshakable in one's determination(21)、 Ferromagnet(22), current coil(23), sliding cavity unshakable in one's determination(24), hourglass slippage slot supporting plate(25), thermo-fuse(27)Constitute;
The positive electrode current output conductor wire of Battery case is divided into two-way, is all the way DC output end, concatenates current coil(23)Afterwards extremely Load, another road concatenation divider resistance R(11), adjustable resistance(12), led lamp beads(16), it is positive and negative concatenation voltage-stabiliser tube pair(14)Afterwards A potential winding is concatenated again(15)To negative pole end, coil inside is electromagnet(22), one end implantation hourglass sliding of electromagnet Groove supporting plate(25)Right-hand member iron core sliding cavity(24)Interior, the left end of the cavity is provided with hourglass hole area control iron core(21), The control of hourglass hole area is unshakable in one's determination(21)With hourglass hole area control sheet(20)It is connected, hourglass hole area control sheet (20)It is interior to be provided with hourglass hole area control sheet U-type groove(19), hourglass slippage slot supporting plate(25)It has been embedded in hourglass slippage slot support Plate hourglass hole area controls U-type groove(18), hourglass slippage slot supporting plate hourglass hole area control U-type groove(18)Stacking is placed in Hourglass hole area control sheet U-type groove(19)On, when both occur relative motion, hourglass hole area changes.
2. a kind of low cost that can directly see the life of storage battery according to claim 1 integrates hourglass, it is characterized in that electric current Integrate hourglass(26)Overall embedded battery bag casing(1)Outer wall on.
3. a kind of low cost that can directly see the life of storage battery according to claim 1 integrates hourglass, it is characterized in that voltage stabilizing Pipe pair(14)Conducting voltage threshold value be higher than battery quiescent voltage.
CN201710461059.4A 2017-06-18 2017-06-18 It is a kind of directly to see the low cost integration hourglass of the life of storage battery Pending CN107064820A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB521780A (en) * 1937-11-27 1940-05-30 Robert Howe Gould Improvements relating to electricity meters
GB792989A (en) * 1955-01-11 1958-04-09 British Insulated Callenders Power factor testing gear for electric circuits
US3611137A (en) * 1969-07-09 1971-10-05 Duncan Electric Co Inc Watt-hour meter with shifting-reluctance accuracy adjustment
US4424484A (en) * 1981-06-10 1984-01-03 Westinghouse Electric Corp. Induction meter having an improved electromagnetic voltage section
CN86204192U (en) * 1986-06-19 1987-08-05 潘乐幸 Power-saving ac induction watt-hour meter
CN86204485U (en) * 1986-07-04 1987-09-30 李安录 Low-voltage distributor equipped with electricity devices
CN2103147U (en) * 1991-10-25 1992-04-29 姜旭强 Freezer power consumpting counting meter
CN1142264A (en) * 1994-01-12 1997-02-05 电力能源研究中心 Measuring process for measuring chargeable electrical consumption from an electrical network and electronic electricity meter
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CN2386445Y (en) * 1999-07-28 2000-07-05 广西民族学院 Electric IC card electricity meter controlled by mechanical and electronic counting double-display closed-loop
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JP2009210406A (en) * 2008-03-04 2009-09-17 Fuji Electric Systems Co Ltd Current sensor and watthour meter
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CN206906556U (en) * 2017-06-18 2018-01-19 昆明理工大学 A kind of low cost integration hourglass that can directly see the life of storage battery

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Application publication date: 20170818