CN106772103A - A kind of state monitoring module of portable charger baby battery management system - Google Patents
A kind of state monitoring module of portable charger baby battery management system Download PDFInfo
- Publication number
- CN106772103A CN106772103A CN201710101863.1A CN201710101863A CN106772103A CN 106772103 A CN106772103 A CN 106772103A CN 201710101863 A CN201710101863 A CN 201710101863A CN 106772103 A CN106772103 A CN 106772103A
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- CN
- China
- Prior art keywords
- divider resistance
- amplifier
- overvoltage protection
- electric capacity
- battery pack
- 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
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
- G01R31/3842—Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
-
- 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
-
- 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
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of state monitoring module of portable charger baby battery management system, it is in series by CAN by some measuring units, each described measuring unit includes CPU, voltage detection unit and temperature detecting unit.The state monitoring module of portable charger baby battery management system of the invention, can be used for monitoring state parameter of the battery pack in charging stage, discharge regime, memory phase and haulage stage, such as charging current, discharge current, voltage, temperature, pressure and leakage current parameter.
Description
Technical field
The present invention relates to a kind of state monitoring module of portable charger baby battery management system.
Background technology
It is mainly fixed for the existing infrastructure that electric automobile is set up, it is impossible to flexibly mobile.In electric automobile
In actual use, due to human negligence or equipment fault, it sometimes appear that the electric automobile in way is travelled is because electricity
Situation about can exhaust without that can continue to drive to charging and conversion electric point.For above-mentioned fortuitous event, development can move freely the charging of formula
Unit is that the electric automobile supplement energy is necessary, therefore proposes that to aim at mobile charging that electric automobile powers precious
Concept.
Portable charger baby is a kind of emergency power supply unit of the electric automobile that can move freely, and battery energy storage unit is to move
The important component of dynamic formula charger baby.It is single in battery pack due to the influence of the aspect of manufacture craft, operating temperature, aging etc.
Body battery is inconsistent at aspects such as capacity, internal resistance, terminal voltages.This inconsistency significantly affects power battery pack life-span,
Efficiency and whole volume.
The content of the invention
The purpose of the present invention is the defect for overcoming prior art, there is provided a kind of shape of portable charger baby battery management system
State monitoring modular, can be used for monitoring state ginseng of the battery pack in charging stage, discharge regime, memory phase and haulage stage
Number, such as charging current, discharge current, voltage, temperature, pressure and leakage current parameter.
Realizing the technical scheme of above-mentioned purpose is：A kind of state monitoring module of portable charger baby battery management system,
It is in series by CAN by some measuring units, each described measuring unit includes CPU, voltage detection unit and temperature
Degree detection unit, wherein：
The voltage detection unit include the first~the 4th divider resistance, the first amplifier, the first overvoltage protection diode and
First electric capacity；The negative pole of the positive pole of the battery pack, the first divider resistance, the second divider resistance and battery pack is sequentially connected, institute
The abutment end for stating the first divider resistance and the second divider resistance is connected with one end of the 3rd divider resistance, the 3rd partial pressure
The other end of resistance is connected with one end of the 4th divider resistance and the positive pole of first amplifier respectively；4th partial pressure
The other end of resistance is connected with the output end of first amplifier and is followed by the AD ends of the CPU；The negative pole of first amplifier
Abutment end with second divider resistance and battery pack is connected；The negative pole of first overvoltage protection diode is connected to VCC, just
Pole is connected with first electric capacity and is followed by GND；The abutment end of first overvoltage protection diode and first electric capacity with
The output end of first amplifier is connected with the abutment end of the 4th divider resistance；
The temperature detecting unit includes temperature sensor, the 5th divider resistance, the second amplifier, the pole of the second overvoltage protection two
Pipe and the second electric capacity；The temperature sensor detects the temperature of the battery pack, the output end of the temperature sensor with it is described
The positive pole of the second amplifier is connected；The output that the negative pole of second amplifier passes through the 5th divider resistance and second amplifier
End is connected and is followed by the AD ends of the CPU；The negative pole of second overvoltage protection diode is connected to VCC, positive pole and described second
Electric capacity is connected and is followed by GND；The abutment end and second amplifier of second overvoltage protection diode and second electric capacity
Output end be connected with the abutment end of the 5th divider resistance.
The state monitoring module of above-mentioned a kind of portable charger baby battery management system, is charging for monitoring battery pack
The state parameter in stage, discharge regime, memory phase and haulage stage, the state parameter include charging current, discharge current,
Voltage, temperature, pressure and leakage current parameter.
The state monitoring module of portable charger baby battery management system of the invention, can be used for monitoring battery pack and is filling
The state parameter in electric stage, discharge regime, memory phase and haulage stage, such as charging current, discharge current, voltage, temperature, pressure
Power and leakage current parameter.
Brief description of the drawings
Fig. 1 is the circuit of the measuring unit of the state monitoring module of portable charger baby battery management system of the invention
Figure.
Specific embodiment
In order that those skilled in the art are better understood when technical scheme, it is right below in conjunction with the accompanying drawings
Its specific embodiment is described in detail：
Refer to Fig. 1, highly preferred embodiment of the present invention, a kind of status monitoring mould of portable charger baby battery management system
Block, is in series by some measuring units by CAN, and each measuring unit includes CPU, voltage detection unit and temperature
Detection unit.
Voltage detection unit includes that the first~the 4th divider resistance R1, R2, R3, R4, the first amplifier UIB, the first overvoltage are protected
Shield diode D21 and the first electric capacity C31；The positive pole of battery pack BAT, the first divider resistance R1, the second divider resistance R2 and battery
The negative pole of group BAT is sequentially connected, and the abutment end of the first divider resistance R1 and the second divider resistance R2 is with the 3rd divider resistance R3's
One end is connected, the other end of the 3rd divider resistance R3 one end respectively with the 4th divider resistance R4 and the positive pole of the first amplifier UIB
It is connected；The other end of the 4th divider resistance R4 is connected with the output end of the first amplifier UIB and is followed by the AD ends of CPU；First amplifier
The negative pole of UIB is connected with the abutment end of the second divider resistance R2 and battery pack BAT；The first overvoltage protection diode D21's
Negative pole is connected to VCC, and positive pole is connected with the first electric capacity C31 and is followed by GND；First overvoltage protection diode D21 and the first electric capacity C31
Abutment end be connected with the output end of the first amplifier UIB and the abutment end of the 4th divider resistance R4.
Temperature detecting unit includes temperature sensor LM, the 5th divider resistance R5, the second amplifier UIA, the second overvoltage protection
Diode D22 and the second electric capacity C32；Temperature sensor LM detects the temperature of battery pack, the output end of temperature sensor LM and the
The positive pole of two amplifier UIA is connected；The output end that the negative pole of the second amplifier UIA passes through the 5th divider resistance R5 and the second amplifier UIA
It is connected and is followed by the AD ends of CPU；The negative pole of the second overvoltage protection diode D22 is connected to VCC, and positive pole is connected with the second electric capacity C32
It is followed by GND；The output end of the abutment end of the second overvoltage protection diode D22 and the second electric capacity C32 and the second amplifier UIA and the
The abutment end of five divider resistance R5 is connected.
The measuring unit of state monitoring module, it is possible to achieve the monitoring to single battery group cell temperature and voltage.Battery
Then group voltage carry out transformation of scale and impedance converted by resistance R1, R2 partial pressure by amplifier unit U1B, is connected to CPU mono-
The AD ends of unit carry out sampling and measure cell voltage, and the first overvoltage protection diode D21 mainly realizes that overvoltage protection is acted on.Battery temperature
Degree carries out impedance conversion by temperature sensor measurement by amplifier unit U1A, and the AD ends for being connected to CPU element are sampled
Temperature is measured, the second overvoltage protection diode D22 mainly realizes that overvoltage protection is acted on.
In sum, battery pack is the energy-storage travelling wave tube of mobile charging treasured core, it is managed and is controlled for charger baby
Performance has very important influence, the state monitoring module of portable charger baby battery management system of the invention, Ke Yiyong
In state parameter of the monitoring battery pack in charging stage, discharge regime, memory phase and haulage stage, such as charging current, electric discharge
Electric current, voltage, temperature, pressure and leakage current parameter.
Those of ordinary skill in the art it should be appreciated that the embodiment of the above be intended merely to explanation the present invention,
And be not used as being limitation of the invention, as long as in spirit of the invention, the change to embodiment described above
Change, modification will all fall in the range of claims of the present invention.
Claims (2)
1. a kind of state monitoring module of portable charger baby battery management system, it is characterised in that led to by some measuring units
Cross CAN to be in series, each described measuring unit includes CPU, voltage detection unit and temperature detecting unit, wherein：
The voltage detection unit includes the first~the 4th divider resistance, the first amplifier, the first overvoltage protection diode and first
Electric capacity；The negative pole of the positive pole of the battery pack, the first divider resistance, the second divider resistance and battery pack is sequentially connected, and described
The abutment end of one divider resistance and the second divider resistance is connected with one end of the 3rd divider resistance, the 3rd divider resistance
The other end be connected with one end of the 4th divider resistance and the positive pole of first amplifier respectively；4th divider resistance
The other end be connected with the output end of first amplifier and be followed by the AD ends of the CPU；The negative pole of first amplifier and institute
The second divider resistance is stated to be connected with the abutment end of battery pack；The negative pole of first overvoltage protection diode is connected to VCC, positive pole with
First electric capacity is connected and is followed by GND；The abutment end of first overvoltage protection diode and first electric capacity with it is described
The output end of the first amplifier is connected with the abutment end of the 4th divider resistance；
The temperature detecting unit include temperature sensor, the 5th divider resistance, the second amplifier, the second overvoltage protection diode and
Second electric capacity；The temperature sensor detects the temperature of the battery pack, the output end of the temperature sensor and described second
The positive pole of amplifier is connected；The output end phase that the negative pole of second amplifier passes through the 5th divider resistance and second amplifier
Company is followed by the AD ends of the CPU；The negative pole of second overvoltage protection diode is connected to VCC, positive pole and second electric capacity
It is connected and is followed by GND；Second overvoltage protection diode is defeated with second amplifier with the abutment end of second electric capacity
Go out end to be connected with the abutment end of the 5th divider resistance.
2. a kind of state monitoring module of portable charger baby battery management system according to claim 1, its feature exists
In for monitoring state parameter of the battery pack in charging stage, discharge regime, memory phase and haulage stage, the state ginseng
Number includes charging current, discharge current, voltage, temperature, pressure and leakage current parameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710101863.1A CN106772103A (en) | 2017-02-24 | 2017-02-24 | A kind of state monitoring module of portable charger baby battery management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710101863.1A CN106772103A (en) | 2017-02-24 | 2017-02-24 | A kind of state monitoring module of portable charger baby battery management system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106772103A true CN106772103A (en) | 2017-05-31 |
Family
ID=58959286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710101863.1A Pending CN106772103A (en) | 2017-02-24 | 2017-02-24 | A kind of state monitoring module of portable charger baby battery management system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106772103A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7755326B1 (en) * | 2007-07-31 | 2010-07-13 | The United States Of America As Represented By The Secretary Of The Navy | Battery monitoring and charging system |
| CN102288917A (en) * | 2011-05-09 | 2011-12-21 | 北京启明精华新技术有限公司 | Storage battery detector and vehicle-mounted network system for intelligent automobile |
| CN103543411A (en) * | 2013-11-08 | 2014-01-29 | 北京九高科技有限公司 | Lithium battery voltage detection device |
| CN103593715A (en) * | 2013-11-21 | 2014-02-19 | 国网上海市电力公司 | Energy storage management system |
-
2017
- 2017-02-24 CN CN201710101863.1A patent/CN106772103A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7755326B1 (en) * | 2007-07-31 | 2010-07-13 | The United States Of America As Represented By The Secretary Of The Navy | Battery monitoring and charging system |
| CN102288917A (en) * | 2011-05-09 | 2011-12-21 | 北京启明精华新技术有限公司 | Storage battery detector and vehicle-mounted network system for intelligent automobile |
| CN103543411A (en) * | 2013-11-08 | 2014-01-29 | 北京九高科技有限公司 | Lithium battery voltage detection device |
| CN103593715A (en) * | 2013-11-21 | 2014-02-19 | 国网上海市电力公司 | Energy storage management system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |
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| RJ01 | Rejection of invention patent application after publication |