CN106671819A - Monitoring device for battery equilibrium performance of vehicle with double battery packs - Google Patents
Monitoring device for battery equilibrium performance of vehicle with double battery packs Download PDFInfo
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- CN106671819A CN106671819A CN201710119252.XA CN201710119252A CN106671819A CN 106671819 A CN106671819 A CN 106671819A CN 201710119252 A CN201710119252 A CN 201710119252A CN 106671819 A CN106671819 A CN 106671819A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/20—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having different nominal voltages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/21—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having the same nominal voltage
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- 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
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- 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
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Tests Of Electric Status Of Batteries (AREA)
Abstract
The invention provides a monitoring device for battery equilibrium performance of a vehicle with double battery packs. The monitoring device comprises a battery interface (1), a voltage sampling unit (2), a voltage operation unit (3), a polarity automatic correction unit (4), an impedance transformation unit (5), a divider resistor network unit (6), a voltage reference unit (7), voltage comparison units (8) and an indicating unit (9). Voltage signals, provided through the battery interface, of the two series battery packs are reversely and symmetrically sampled by the voltage sampling unit and then sent to the voltage operation unit, operation results are subjected to correction of the polarity automatic correction unit to be output as positive unbalanced voltage, high-impedance voltage signals are converted into low-impedance voltage signals by the impedance transformation unit to be output and then conveyed to all the voltage comparison units by the divider resistor network unit, and after the low-impedance voltage signals are compared with reference voltage signals, signals for driving light-emitting diodes to emit light are output, and the indicating unit composed of the light-emitting diodes is used to indicate voltage unbalance of the two battery packs, so that a driver is reminded to perform equalizing charge for battery packs or replace battery packs in an intuitively displaying manner.
Description
Technical field
The present invention relates to the performance monitoring of accumulator battery, the battery balanced performance monitoring dress of particularly double accumulator battery vehicles
Put, belong to technical field of automobile detection.
Background technology
At present the electromotor of some heavy vehicles typically all adopts multi-cylinder diesel engine, the use of 24V accumulator batteries is starter
With the electric power supply on car.24V accumulator batteries are connected in series by 2 12V accumulator batteries, to make the accumulator of vehicle
Group is always maintained at fully charged state, and when vehicle runs, its accumulator battery is typically chronically at floating charge state, in electric power storage
During the use in pond, due to the reason such as individual variation, temperature contrast of battery, it may appear that " backwardness " battery, each battery is caused
Terminal voltage it is uneven, have impact on the performance of accumulator property.When the performance imbalance severe exacerbation of accumulator battery, can cause
Brownout when electromotor is started, causes starting difficulty, if now started repeatedly, it is possible to cause engine overheat, or even
Burn electromotor.
In order to avoid the impact that the deterioration of each accumulator battery voltage imbalance trend of vehicle is brought, need to vehicle electric power storage
The equalization performance of pond group voltage carries out real-time monitoring, to safeguard to accumulator battery in time.
The content of the invention
It is an object of the invention to provide a kind of battery balanced performance monitor apparatus of highly reliable double accumulator battery vehicles, keep away
Exempt from the impact that the deterioration of each accumulator battery voltage imbalance trend of vehicle is brought, the equalization performance to vehicle battery group voltage
Carry out real-time monitoring, when accumulator battery voltage reaches certain unbalanced value, cue provided in real time, so as to driver and
When grasp the performance state of accumulator battery, so as to safeguard to accumulator battery in time, extend the life-span of accumulator battery.
The object of the present invention is achieved like this：The battery balanced performance monitor apparatus of double accumulator battery vehicles, including：Store
Battery interface（1）, voltage sampling unit（2）, voltage operational unit（3）, polarity is from dynamic(al) correction unit（4）, impedance converter unit
（5）, resistor voltage divider network unit（6）, voltage reference cell（7）, voltage comparison unit（8）, indicating member（9）；Wherein：
Accumulator interface（1）：It is connected with the accumulator battery of 2 series connection, and each unit for device is powered, and is constituted with correlation unit
Electrical connection；
Voltage sampling unit（2）：The voltage of the accumulator battery of 2 series connection is sampled respectively, with accumulator interface（1）And electricity
Pressure arithmetic element（3）Constitute electrical connection；
Voltage operational unit（3）：Heteropolarity additive operation is carried out to the sampled voltage of the accumulator battery of 2 series connection, with accumulator
Interface（1）With voltage sampling unit（2）, polarity is from dynamic(al) correction unit（4）Constitute electrical connection；
Polarity is from dynamic(al) correction unit（4）：To voltage operational unit（3）The uneven reverse voltage of output is corrected to automatically
Positive polarity voltage, with accumulator interface（1）With voltage operational unit（3）, impedance converter unit（5）Constitute electrical connection；
Impedance converter unit（5）：By polarity from dynamic(al) correction unit（4）It is defeated that the high impedance signal of output is converted to low-resistance antinoise signal
Go out, with accumulator interface（1）With polarity from dynamic(al) correction unit（4）, resistor voltage divider network unit（6）Constitute electrical connection；
Resistor voltage divider network unit（6）：Comparison voltage is provided for each voltage comparison unit, with impedance converter unit（5）And voltage
Comparing unit（8）Constitute electrical connection；
Voltage reference cell（7）：Reference voltage is provided for each voltage comparison unit, with accumulator interface（1）It is more single with voltage ratio
Unit（8）Constitute electrical connection；
Voltage comparison unit（8）：Voltage comparison unit can be one or more, according to the uneven journey of double accumulator battery voltages
Degree output signal, with accumulator interface（1）With resistor voltage divider network unit（6）, voltage reference cell（7）, indicating member（9）Structure
Into electrical connection；
Indicating member（9）：According to voltage comparison unit（8）Outputs level signals, the uneven journey to double accumulator battery voltages
Degree is indicated, with accumulator interface（1）And voltage comparison unit（8）Constitute electrical connection.
The present invention is formed according to above-mentioned design using above-mentioned formant organic assembling, and its operation principle is：Pass through
The voltage signal of 2 series-connected batteries that accumulator interface is provided, Jing voltage sampling units reverse symmetry sampling, sends into voltage
Arithmetic element, operation result Jing polarity exports positive unbalance voltage from dynamic(al) correction unit, by impedance converter unit by high resistant
Reactance voltage signal is converted to voltage signal in low impedance output, then more single to each voltage ratio by resistor voltage divider network unit transportation
Unit, Jing after comparing with reference voltage signal, the signal of output driving lumination of light emitting diode, the instruction being made up of light emitting diode
Unit is used for the Voltage unbalance degree of 2 accumulator batteries of instruction, reminds driver to need to storing in the way of this intuitively shows
Set of cells carries out equalizaing charge or changes accumulator battery.
Advantages of the present invention and effect are to carry out quick dynamic detection to the 2 of vehicle series-connected batteries, so as to
Real-time judge goes out the Voltage unbalance degree of series-connected batteries, and cue is given in time, to enter to accumulator battery in time
Row maintenance, extends the life-span of accumulator battery.
Description of the drawings
With reference to the accompanying drawings and examples the present invention is further described.
Fig. 1 is the circuit block diagram of the present invention.
Fig. 2 is the circuit catenation principle figure of embodiment.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, it is right below in conjunction with drawings and Examples
The present invention is described in further detail, and specific embodiment described herein only to explain the present invention, is not used to limit
The fixed present invention.
Refer to Fig. 1, the battery balanced performance monitor apparatus of double accumulator battery vehicles, including accumulator interface（1）, voltage
Sampling unit（2）, voltage operational unit（3）, polarity is from dynamic(al) correction unit（4）, impedance converter unit（5）, resistor voltage divider network
Unit（6）, voltage reference cell（7）, voltage comparison unit（8）, indicating member（9）.Wherein：Accumulator interface（1）With 2 strings
The accumulator battery of connection is connected, and each unit for device is powered, and constitutes with correlation unit and is electrically connected；Voltage sampling unit（2）
The voltage of the accumulator battery of 2 series connection is sampled respectively, with accumulator interface（1）With voltage operational unit（3）Constitute electricity
Gas connects；Voltage operational unit（3）Heteropolarity additive operation is carried out to the sampled voltage of the accumulator battery of 2 series connection, with electric power storage
Pond interface（1）With voltage sampling unit（2）, polarity is from dynamic(al) correction unit（4）Constitute electrical connection；Polarity is from dynamic(al) correction unit
（4）To voltage operational unit（3）The uneven reverse voltage of output is corrected to positive polarity voltage automatically, is connect with accumulator
Mouthful（1）With voltage operational unit（3）, impedance converter unit（5）Constitute electrical connection；Impedance converter unit（5）Polarity is automatic
Correction unit（4）The high impedance signal of output is converted to Low ESR signal output, with accumulator interface（1）With polarity from dynamic(al) correction
Unit（4）, resistor voltage divider network unit（6）Constitute electrical connection；Resistor voltage divider network unit（6）Carry for each voltage comparison unit
For comparison voltage, with impedance converter unit（5）And voltage comparison unit（8）Constitute electrical connection；Voltage reference cell（7）For each
Voltage comparison unit provides reference voltage, with accumulator interface（1）And voltage comparison unit（8）Constitute electrical connection；Voltage ratio
Compared with unit（8）Can be one or more, according to the uneven degree output signal of double accumulator battery voltages, with accumulator interface
（1）With resistor voltage divider network unit（6）, voltage reference cell（7）, indicating member（9）Constitute electrical connection；Indicating member（9）
According to voltage comparison unit（8）Outputs level signals, the uneven degree of double accumulator battery voltages is indicated, with electric power storage
Pond interface（1）And voltage comparison unit（8）Constitute electrical connection.
Please referring further to Fig. 2, socket CZ1 is accumulator interface, and the 1st pin is connected to the 1st accumulator battery of vehicle
Positive pole, the 2nd pin is connected to the negative pole of the 1st accumulator battery of vehicle and the positive pole of the 2nd accumulator battery, and the 3rd pin connects
It is connected to the negative pole of the 2nd accumulator battery.Voltage Reference end of 2nd pin as this device.
Voltage sampling unit is made up of resistance R1~R4, and wherein resistance R1, R2 is connected in series, and the 1st potentiometer is constituted, to car
The voltage of the 1st accumulator battery be sampled；Resistance R3, R4 are connected in series, and constitute the 2nd potentiometer, the 2nd to vehicle
The voltage of accumulator battery is sampled.
U1 adopts integrated double operational, model TL082, including two operational amplifier units of U1A and U1B, U1A use
In voltage operational unit, U1B is used for polarity from dynamic(al) correction unit.
U2 adopts integrated four high guaily unit, model LM324, including tetra- operational amplifier lists of U2A, U2B, U2C, U2D
Unit, U2A is used for impedance converter unit, and U2B, U2C, U2D are used for voltage comparison unit.
Voltage operational unit is made up of resistance R5~R7 and operational amplifier U1A.One end of resistance R5 is connected to the 1st partial pressure
The junction point of R1, R2 of device, the other end is connected to the 2nd pin of operational amplifier U1A；One end of resistance R6 is connected to the 2nd point
The junction point of R3, R4 of depressor, the other end is connected to the 2nd pin of operational amplifier U1A；The two ends of resistance R7 are connected respectively to
2nd pin of operational amplifier U1A and the 1st pin；3rd pin of operational amplifier U1A is connected to Voltage Reference end；Computing is put
8th pin of big device U1A is connected to the positive pole of the 1st accumulator battery；4th pin of operational amplifier U1A is connected to the 2nd storage
The negative pole of set of cells.Electric capacity C1~C4 is filter capacitor.The effect of voltage operational unit is adopting for the accumulator battery to 2 series connection
Sample voltage carries out heteropolarity additive operation.
Polarity is made up of from dynamic(al) correction unit resistance R8~R10, diode D1, D2 and operational amplifier U1B；Impedance is converted
Unit is made up of operational amplifier U2A.One end of resistance R8 is connected to the 1st pin of operational amplifier U1A, and the other end is connected to
3rd pin of operational amplifier U2A；One end of resistance R9 is connected to the 1st pin of operational amplifier U1A, and the other end is connected to
6th pin of operational amplifier U1B；One end of resistance R10 is connected to the 6th pin of operational amplifier U1B, and the other end is connected to
3rd pin of operational amplifier U2A；The anode of diode D1 is connected to the 6th pin of operational amplifier U1B, and negative electrode is connected to
7th pin of operational amplifier U1B；The anode of diode D2 is connected to the 7th pin of operational amplifier U1B, and negative electrode is connected to
3rd pin of operational amplifier U2A；5th pin of operational amplifier U1B is connected to Voltage Reference end；Operational amplifier U2A's
2nd pin is connected with the 1st pin of U2A.
Resistor voltage divider network unit is composed in series by resistance R11~R14, and for each voltage comparison unit comparison voltage is provided.
Voltage reference cell is made up of resistance R15~R17, electric capacity C5 and voltage-stabilizing device D3, by D3 voltage stabilizings, resistance R16
With R17 partial pressures, for each voltage comparison unit suitable reference voltage is provided.
Voltage comparison unit has 3, and the 1st voltage comparison unit is served as by operational amplifier U2B, the 2nd voltage comparison unit
Served as by operational amplifier U2C, the 3rd voltage comparison unit is served as by operational amplifier U2D.3 voltage comparison units are according to double
The uneven degree output low level signal of accumulator battery voltage.
Indicating member is made up of resistance R18~R20, light emitting diode D4~D6, when the output of corresponding voltage comparison unit
During low level signal, corresponding light emitting diode is lighted, so as to indicate the uneven degree of double accumulator battery voltages.
When the electric voltage equalization of double accumulator batteries, 3 voltage comparison units export high level, light emitting diode D4~D6
Do not light；When the voltage of double accumulator batteries is slight uneven, the operational amplifier U2B outputs of the 1st voltage comparison unit are low
Level, the 2nd, operational amplifier U2C, U2D of 3 voltage comparison units output high level, light emitting diode D4 is lighted, and D5~D6 is not
It is luminous；When the voltage moderate of double accumulator batteries is uneven, the 1st, operational amplifier U2B, U2C of 2 voltage comparison units it is defeated
Go out low level, the operational amplifier U2D output high level of the 3rd voltage comparison unit, light emitting diode D4~D5 is lighted, and D6 does not send out
Light；When the voltage of double accumulator batteries is serious uneven, 3 voltage comparison units export low level, and light emitting diode D4~
D6 is lighted.Such that it is able to remind driver to safeguard to accumulator battery in time with the mode for showing directly perceived, to extend electric power storage
The life-span of pond group.
Battery balanced performance monitor apparatus to make double accumulator battery vehicles reach purpose of design and play good performance,
Component parameters should as follows be matched：
The configuration method of component parameters of voltage sampling unit is：Resistance R1 is equal with the resistance of resistance R4, resistance R2 and resistance R3
Resistance it is equal, embodiment is from R1=R4=20k Ω, R2=R3=10k Ω.
The configuration method of component parameters of voltage operational unit is：Resistance R5 is equal with the resistance of resistance R6, and resistance R7 is used for
Amplification is adjusted, embodiment is from R5=R6=R7=10k Ω.
Polarity is from the configuration method of component parameters of dynamic(al) correction unit：Resistance R8 is equal with the resistance of resistance R10, resistance R9
Resistance be 2 times of resistance R8, embodiment is from R8=R10=10k Ω, R9=20k Ω.
Claims (6)
1. battery balanced performance monitor apparatus of pair accumulator battery vehicle, it is characterised in that include：Accumulator interface（1）, voltage
Sampling unit（2）, voltage operational unit（3）, polarity is from dynamic(al) correction unit（4）, impedance converter unit（5）, resistor voltage divider network
Unit（6）, voltage reference cell（7）, voltage comparison unit（8）, indicating member（9）；Wherein：
Accumulator interface（1）：It is connected with the accumulator battery of 2 series connection, and each unit for device is powered, and is constituted with correlation unit
Electrical connection；
Voltage sampling unit（2）：The voltage of the accumulator battery of 2 series connection is sampled respectively, with accumulator interface（1）And electricity
Pressure arithmetic element（3）Constitute electrical connection；
Voltage operational unit（3）：Heteropolarity additive operation is carried out to the sampled voltage of the accumulator battery of 2 series connection, with accumulator
Interface（1）With voltage sampling unit（2）, polarity is from dynamic(al) correction unit（4）Constitute electrical connection；
Polarity is from dynamic(al) correction unit（4）：To voltage operational unit（3）The uneven reverse voltage of output is corrected to automatically
Positive polarity voltage, with accumulator interface（1）With voltage operational unit（3）, impedance converter unit（5）Constitute electrical connection；
Impedance converter unit（5）：By polarity from dynamic(al) correction unit（4）It is defeated that the high impedance signal of output is converted to low-resistance antinoise signal
Go out, with accumulator interface（1）With polarity from dynamic(al) correction unit（4）, resistor voltage divider network unit（6）Constitute electrical connection；
Resistor voltage divider network unit（6）：Comparison voltage is provided for each voltage comparison unit, with impedance converter unit（5）And voltage
Comparing unit（8）Constitute electrical connection；
Voltage reference cell（7）：Reference voltage is provided for each voltage comparison unit, with accumulator interface（1）It is more single with voltage ratio
Unit（8）Constitute electrical connection；
Voltage comparison unit（8）：Voltage comparison unit can be one or more, according to the uneven journey of double accumulator battery voltages
Degree output signal, with accumulator interface（1）With resistor voltage divider network unit（6）, voltage reference cell（7）, indicating member（9）Structure
Into electrical connection；
Indicating member（9）：According to voltage comparison unit（8）Outputs level signals, the uneven journey to double accumulator battery voltages
Degree is indicated, with accumulator interface（1）And voltage comparison unit（8）Constitute electrical connection.
2. battery balanced performance monitor apparatus of according to claim 1 pair of accumulator battery vehicle, it is characterised in that described
Voltage operational unit be made up of resistance R5~R7 and operational amplifier U1A；One end of resistance R5 is connected to the 1st potentiometer
The junction point of R1, R2, the other end is connected to the 2nd pin of operational amplifier U1A；One end of resistance R6 is connected to the 2nd potentiometer
R3, R4 junction point, the other end is connected to the 2nd pin of operational amplifier U1A；The two ends of resistance R7 are connected respectively to computing
2nd pin of amplifier U1A and the 1st pin；3rd pin of operational amplifier U1A is connected to Voltage Reference end；Operational amplifier
8th pin of U1A is connected to the positive pole of the 1st accumulator battery；4th pin of operational amplifier U1A is connected to the 2nd accumulator
The negative pole of group.
3. battery balanced performance monitor apparatus of according to claim 1 pair of accumulator battery vehicle, it is characterised in that described
Polarity be made up of resistance R8~R10, diode D1, D2 and operational amplifier U1B from dynamic(al) correction unit；Impedance converter unit by
Operational amplifier U2A is constituted；One end of resistance R8 is connected to the 1st pin of operational amplifier U1A, and the other end is connected to computing and puts
3rd pin of big device U2A；One end of resistance R9 is connected to the 1st pin of operational amplifier U1A, and the other end is connected to computing and puts
6th pin of big device U1B；One end of resistance R10 is connected to the 6th pin of operational amplifier U1B, and the other end is connected to computing and puts
3rd pin of big device U2A；The anode of diode D1 is connected to the 6th pin of operational amplifier U1B, and negative electrode is connected to computing and puts
7th pin of big device U1B；The anode of diode D2 is connected to the 7th pin of operational amplifier U1B, and negative electrode is connected to computing and puts
3rd pin of big device U2A；5th pin of operational amplifier U1B is connected to Voltage Reference end；Draw the 2nd of operational amplifier U2A
Foot is connected with the 1st pin of U2A.
4. battery balanced performance monitor apparatus of according to claim 1 pair of accumulator battery vehicle, it is characterised in that described
The configuration method of component parameters of voltage sampling unit be：Resistance R1 is equal with the resistance of resistance R4, resistance R2 and resistance R3's
Resistance is equal.
5. battery balanced performance monitor apparatus of according to claim 1 pair of accumulator battery vehicle, it is characterised in that described
The configuration method of component parameters of voltage operational unit be：Resistance R5 is equal with the resistance of resistance R6, and resistance R7 is put for regulation
Big multiple.
6. battery balanced performance monitor apparatus of according to claim 1 pair of accumulator battery vehicle, it is characterised in that described
Polarity be from the configuration method of component parameters of dynamic(al) correction unit：Resistance R8 is equal with the resistance of resistance R10, the resistance of resistance R9
It is 2 times of resistance R8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710119252.XA CN106671819B (en) | 2017-03-02 | 2017-03-02 | Battery balance performance monitoring device for double-storage battery vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710119252.XA CN106671819B (en) | 2017-03-02 | 2017-03-02 | Battery balance performance monitoring device for double-storage battery vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106671819A true CN106671819A (en) | 2017-05-17 |
| CN106671819B CN106671819B (en) | 2023-06-27 |
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| CN201710119252.XA Active CN106671819B (en) | 2017-03-02 | 2017-03-02 | Battery balance performance monitoring device for double-storage battery vehicle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107933347A (en) * | 2017-11-20 | 2018-04-20 | 重庆龙科自动化机械设备研究院有限公司 | A kind of battery of electric vehicle management system |
| CN108919072A (en) * | 2018-06-22 | 2018-11-30 | 国充充电科技江苏股份有限公司 | A kind of auxiliary lattice network improving aluminium electrolutic capacitor implosion detection sensitivity |
| CN111546943A (en) * | 2020-02-10 | 2020-08-18 | 朱雪东 | Dynamic clutch unit of power battery |
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| CN203086192U (en) * | 2013-01-10 | 2013-07-24 | 张璐璐 | Overvoltage/undervoltage protective device for storage battery pack of transformer station |
| CN103269104A (en) * | 2013-05-30 | 2013-08-28 | 国家电网公司 | Storage battery voltage equalizing instrument |
| CN205232007U (en) * | 2015-12-09 | 2016-05-11 | 河北世纪恒兴电子技术有限公司 | On -vehicle switching power supply operating condition indicating circuit |
| CN205945154U (en) * | 2016-08-19 | 2017-02-08 | 宁波中荣声学科技有限公司 | Battery power indicating circuit |
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| CN107933347A (en) * | 2017-11-20 | 2018-04-20 | 重庆龙科自动化机械设备研究院有限公司 | A kind of battery of electric vehicle management system |
| CN108919072A (en) * | 2018-06-22 | 2018-11-30 | 国充充电科技江苏股份有限公司 | A kind of auxiliary lattice network improving aluminium electrolutic capacitor implosion detection sensitivity |
| CN108919072B (en) * | 2018-06-22 | 2023-12-19 | 江苏特智智能装备股份有限公司 | Auxiliary network circuit for improving implosion detection sensitivity of aluminum electrolytic capacitor |
| CN111546943A (en) * | 2020-02-10 | 2020-08-18 | 朱雪东 | Dynamic clutch unit of power battery |
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