CN207217702U - A kind of battery battery core management system - Google Patents
A kind of battery battery core management system Download PDFInfo
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- CN207217702U CN207217702U CN201721196103.5U CN201721196103U CN207217702U CN 207217702 U CN207217702 U CN 207217702U CN 201721196103 U CN201721196103 U CN 201721196103U CN 207217702 U CN207217702 U CN 207217702U
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- 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
Abstract
The utility model discloses a kind of battery battery core management system, including balance module：For the tankage that respectively economized on electricity in balancing battery group；Electrical parameters detection module：Run for detecting the voltage of each batteries, electric current and temperature in battery pack, and according to detected battery electrical parameter control balance module is detected；Single chip processing module：It is configured as each batteries electrical parameter according to detected by electrical parameters detection module and calculates each batteries internal resistance and capacity；Power module：For each circuit module power supply of system.The utility model is detected by electrical parameters detection module to each batteries Current Voltage and temperature in battery pack, detection is more fully, the electrical parameter control balance module operation detected is utilized simultaneously, make each batteries capacity equilibrium of battery pack, improve battery electric quantity service efficiency, temperature in use is reduced, improves service life.The utility model is created for detecting battery pack electrical parameter and balancing battery capacity.
Description
Technical field
Electronic circuit field is the utility model is related to, more particular to a kind of battery battery core management system.
Background technology
Existing single lithium battery battery core voltage is relatively low, and ceiling voltage only has 4.2V, therefore is utilizing the battery as power supply
, it is necessary to which multiple batteries are carried out into connection in series-parallel during power supply, battery pack is formed, whole battery pack is reached certain voltage and capacity
Can normal use.
Certain difference all be present per voltage, capacity and the internal resistance of batteries battery core under normal circumstances, but more piece
After battery composition battery pack, the above-mentioned difference between battery can become big by gradual, the final service life for influenceing battery pack.
And traditional battery management system can only merely detect the voltage of battery pack, detection is not comprehensive, in addition traditional battery management
System does not configure battery capacity equalization function, causes battery pack in power supply process, the capacity volume variance between each battery is progressively
Widen, influence battery-powered efficiency and service life.
Utility model content
The technical problems to be solved in the utility model is：It is comprehensive to provide a kind of detection, it is balanced using passive balanced way
The battery management system of each battery capacity.
The solution that the utility model solves its technical problem is：
A kind of battery battery core management system, including：
Balance module：For the tankage that respectively economized on electricity in balancing battery group；
Electrical parameters detection module：For detecting the voltage of each batteries, electric current and temperature in battery pack, and according to detection
The battery electrical parameter control balance module operation detected；
Single chip processing module：Each batteries electrical parameter according to detected by electrical parameters detection module is configured as to calculate
Each batteries internal resistance and capacity；
Power module：For each circuit module power supply of system；
The electrical parameters detection module and balance module are connected with battery pack, the electrical parameters detection module output end
It is connected with single chip processing module input, electrical parameters detection module output end is connected with balance module input.
As the further improvement of above-mentioned technical proposal, the power module includes 12V supplying cells, model LM7805
The first voltage-stablizer and model AMS1117 the second voltage-stablizer, the supplying cell is connected with the first voltage-stablizer input,
First output end of voltage stabilizer is connected with the second voltage-stablizer input, first output end of voltage stabilizer and the second voltage-stablizer
Output end is respectively as 5V feeder ears and 3.3V feeder ears.
As the further improvement of above-mentioned technical proposal, the electrical parameters detection module includes voltage acquisition unit, electric current
Collecting unit and temperature collecting cell；The voltage acquisition unit includes model LTC6804-1 monitoring chip, the prison
Current input terminal, temperature input and multiple voltage input ends are configured with depending on chip, each voltage input end connects respectively
The connection end of adjacent cell and battery pack head and end in battery pack；The current acquisition unit includes model MH248
Hall sensor chip, the Hall sensor chip output end are connected with monitoring chip current input；The temperature acquisition
Unit includes thermistor, and the thermistor is connected with monitoring chip temperature input.
As the further improvement of above-mentioned technical proposal, the monitoring chip is also configured with multiple Balance route ends, described
Balance module includes multiple metal-oxide-semiconductors, and each metal-oxide-semiconductor output end forms loop, the metal-oxide-semiconductor grid by a resistance and each battery
Pole is respectively with monitoring that the Balance route end of chip is connected.
As the further improvement of above-mentioned technical proposal, the invention also includes SPI communication module, the SPI communication
Module includes model ADUM1401 digital isolating chip, and the monitoring chip is handled by digital isolating chip and single-chip microcomputer
Module communicates to connect.
As the further improvement of above-mentioned technical proposal, the invention also includes CAN and host computer, described
CAN includes model TJA1050 bus transceiving chip, and the single chip processing module passes through bus transceiving chip
Communicated to connect with host computer.
As the further improvement of above-mentioned technical proposal, the single chip processing module includes STM32 process chips.
The beneficial effects of the utility model are：The utility model is by electrical parameters detection module to each batteries in battery pack
Current Voltage and temperature are detected, and detection more fully, while is run using the electrical parameter control balance module detected,
Make each batteries capacity equilibrium of battery pack, improve battery electric quantity service efficiency, reduce temperature when using, improve service life.This
Innovation and creation are used to detect battery pack electrical parameter and balancing battery capacity.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The accompanying drawing to be used is briefly described.Obviously, described accompanying drawing is part of the embodiment of the present utility model, rather than entirely
Portion's embodiment, those skilled in the art on the premise of not paying creative work, can also obtain it according to these accompanying drawings
His design and accompanying drawing.
Fig. 1 is system structural framework figure of the present utility model；
Fig. 2 is power module embodiment schematic diagram of the present utility model；
Fig. 3 is voltage acquisition unit embodiment principle in balance module of the present utility model and electrical parameters detection module
Figure；
Fig. 4 is current acquisition unit embodiment schematic diagram of the present utility model；
Fig. 5 is temperature collecting cell embodiment schematic diagram of the present utility model；
Fig. 6 is single chip processing module interface diagram of the present utility model；
Fig. 7 is SPI communication module embodiments schematic diagram of the present utility model；
Fig. 8 is CAN embodiment schematic diagram of the present utility model.
Embodiment
Design, concrete structure and caused technique effect of the present utility model are carried out below with reference to embodiment and accompanying drawing
Clearly and completely describe, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is part of the embodiment of the present utility model, rather than whole embodiments, based on embodiment of the present utility model, the skill of this area
The other embodiment that art personnel are obtained on the premise of not paying creative work, belong to the model of the utility model protection
Enclose.In addition, all annexations being previously mentioned in text, not single finger element directly connects, and refer to can according to specific implementation feelings
Condition, by adding or reducing connecting element, to form more excellent circuit structure.Each technical characteristic in the invention,
Can be with combination of interactions on the premise of not conflicting conflict.
1~Fig. 8 of reference picture, for solve in the prior art to battery pack electrical parameters detection and battery capacity balanced way not
The technical problem of foot, the invention provide a kind of battery battery core management system, including：
Balance module：For the tankage that respectively economized on electricity in balancing battery group；
Electrical parameters detection module：For detecting the voltage of each batteries, electric current and temperature in battery pack, and according to detection
The battery electrical parameter control balance module operation detected；
Single chip processing module：Each batteries electrical parameter according to detected by electrical parameters detection module is configured as to calculate
Each batteries internal resistance and capacity, wherein the internal resistance of each battery can be calculated by voltammetry, the capacity of each battery can pass through card
Kalman Filtering algorithm is calculated；
Power module：For each circuit module power supply of system；
The electrical parameters detection module and balance module are connected with battery pack, the electrical parameters detection module output end
It is connected with single chip processing module input, electrical parameters detection module output end is connected with balance module input.Specifically, originally
Utility model is detected by electrical parameters detection module to each batteries Current Voltage and temperature in battery pack, and detection is more
Comprehensively, while using the electrical parameter control balance module operation detected, each batteries capacity equilibrium of battery pack is made, such as work as inspection
Measure some battery capacity it is higher when, electrical parameters detection module control balance module work, make balance module improve to the battery
The consumption of electricity, so as to reduce the capacity of the battery, ensure that each battery electric quantity maintains an equal level, improve battery electric quantity service efficiency, reduce
Temperature during use, improve service life.
It is further to note that although the utility model is related to the technological means of program application aspect, but the technology
Means are not the scope of protection of the utility model, and the utility model mainly protects the circuit structure of battery management system.
Preferred embodiment is further used as, in the invention, the power module includes 12V supplying cells, type
Number for LM7805 the first voltage-stablizer and model AMS1117 the second voltage-stablizer, the supplying cell and the first voltage-stablizer
Input is connected, and first output end of voltage stabilizer is connected with the second voltage-stablizer input, first output end of voltage stabilizer with
And second output end of voltage stabilizer respectively as 5V feeder ears and 3.3V feeder ears.Power module is configured with described in the present embodiment
5V and 3.3V feeder ears, meet the power demands of different circuit modules in system.
Preferred embodiment is further used as, in the invention embodiment, to realize electrical parameters detection mould
The function of block, electrical parameters detection module described in the present embodiment include voltage acquisition unit, current acquisition unit and temperature acquisition
Unit；The voltage acquisition unit includes model LTC6804-1 monitoring chip, and the monitoring chip is configured with electric current input
Hold (GPIO3), temperature input (GPIO1, GPIO2) and multiple voltage input ends (C0 ... C12), each voltage defeated
Enter end and be connected on the connection end of adjacent cell and battery pack head and end in battery pack respectively；The current acquisition unit includes type
Number it is MH248 Hall sensor chips, the Hall sensor chip output end is connected with monitoring chip current input；It is described
Temperature collecting cell includes thermistor RW, and the thermistor is connected with monitoring chip temperature input.Specifically, it is of the invention
The effect of the monitoring chip by the model is created, while is realized to the voltage at each batteries both ends, battery pack in battery pack
Output current and battery temperature are detected, and effectively simplify the complexity of circuit system structure.Institute in other the present embodiment
State the connected mode of each voltage input end and battery pack in the monitoring chip of model be have as defined in, implement when can refer to this
Model monitors the technical manual of chip.
It is further used as preferred embodiment, in the invention embodiment, the monitoring chip also configures
There are multiple Balance route ends (S1 ... S12), the balance module includes multiple metal-oxide-semiconductors, and each metal-oxide-semiconductor output end passes through an electricity
RZ and each battery composition loop are hindered, the metal-oxide-semiconductor grid is respectively with monitoring that the Balance route end of chip is connected.Specifically, when
When monitoring chip detects that some battery capacity is higher in battery pack, monitoring chip equalization control terminal output high level, control should
The metal-oxide-semiconductor conducting that battery is connected, connects the link circuit of the battery and resistance, the battery is carried out electric discharge behaviour by resistance
Make, reduce the battery capacity, finally realize the equilibrium of each battery capacity of battery pack.
It is further used as preferred embodiment, in the invention embodiment, the system also includes SPI communication
Module, the SPI communication module include model ADUM1401 digital isolating chip, and the monitoring chip is isolated by numeral
Chip communicates to connect with single chip processing module.Specifically, the invention is used as by the digital isolating chip of the model
Communication isolating device between chip and single chip processing module is monitored, one can play level conversion effect, and two can carry
Height monitoring chip and the antijamming capability of single chip processing module communication connection.
It is further used as preferred embodiment, in the invention embodiment, the system also includes CAN communication
Module and host computer, the CAN include model TJA1050 bus transceiving chip, and the single-chip microcomputer handles mould
Block is communicated to connect by bus transceiving chip and host computer.Specifically, host computer described in the invention can be computer or
Person is the smart machine that other configurations have CAN communication function, and by the configuration of the host computer, convenient use person monitors electricity at any time
Each electrical parameter of pond group.
Better embodiment of the present utility model is illustrated above, but the invention be not limited to it is described
Embodiment, those skilled in the art can also make a variety of equivalent changes on the premise of without prejudice to the utility model spirit
Type or replacement, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (7)
- A kind of 1. battery battery core management system, it is characterised in that including：Balance module：For the tankage that respectively economized on electricity in balancing battery group；Electrical parameters detection module：For detecting the voltage of each batteries, electric current and temperature in battery pack, and according to being examined The battery electrical parameter control balance module operation of survey；Single chip processing module：It is configured as each batteries electrical parameter according to detected by electrical parameters detection module and calculates each section The internal resistance of cell and capacity；Power module：For each circuit module power supply of system；The electrical parameters detection module and balance module are connected with battery pack, the electrical parameters detection module output end and list Piece machine processing module input is connected, and electrical parameters detection module output end is connected with balance module input.
- A kind of 2. battery battery core management system according to claim 1, it is characterised in that：The power module includes 12V Second voltage-stablizer of supplying cell, model LM7805 the first voltage-stablizer and model AMS1117, the supplying cell with First voltage-stablizer input is connected, and first output end of voltage stabilizer is connected with the second voltage-stablizer input, first voltage stabilizing Device output end and the second output end of voltage stabilizer are respectively as 5V feeder ears and 3.3V feeder ears.
- A kind of 3. battery battery core management system according to claim 1, it is characterised in that：The electrical parameters detection module bag Include voltage acquisition unit, current acquisition unit and temperature collecting cell；The voltage acquisition unit includes model LTC6804-1 monitoring chip, the monitoring chip are configured with current input terminal, temperature input and multiple control sources End, each voltage input end are connected on the connection end of adjacent cell and battery pack head and end in battery pack respectively；It is described Current acquisition unit includes model MH248 Hall sensor chips, the Hall sensor chip output end and monitoring chip Current input terminal is connected；The temperature collecting cell includes thermistor, the thermistor and monitoring chip temperature input It is connected.
- A kind of 4. battery battery core management system according to claim 3, it is characterised in that：The monitoring chip is also configured with Multiple Balance route ends, the balance module include multiple metal-oxide-semiconductors, each metal-oxide-semiconductor output end respectively by a resistance with it is each Battery forms loop, and the metal-oxide-semiconductor grid is respectively with monitoring that the Balance route end of chip is connected.
- A kind of 5. battery battery core management system according to claim 4, it is characterised in that：Also include SPI communication module, institute Stating SPI communication module includes model ADUM1401 digital isolating chip, the monitoring chip by digital isolating chip with Single chip processing module communicates to connect.
- A kind of 6. battery battery core management system according to claim 1, it is characterised in that：Also include CAN with Host computer, the CAN include model TJA1050 bus transceiving chip, and the single chip processing module passes through Bus transceiving chip communicates to connect with host computer.
- A kind of 7. battery battery core management system according to any one of claim 1 to 6, it is characterised in that：The single-chip microcomputer Processing module includes STM32 process chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721196103.5U CN207217702U (en) | 2017-09-18 | 2017-09-18 | A kind of battery battery core management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721196103.5U CN207217702U (en) | 2017-09-18 | 2017-09-18 | A kind of battery battery core management system |
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| Publication Number | Publication Date |
|---|---|
| CN207217702U true CN207217702U (en) | 2018-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721196103.5U Expired - Fee Related CN207217702U (en) | 2017-09-18 | 2017-09-18 | A kind of battery battery core management system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107591577A (en) * | 2017-09-18 | 2018-01-16 | 佛山科学技术学院 | A kind of battery battery core management system |
| CN112751060A (en) * | 2021-01-07 | 2021-05-04 | 傲普(上海)新能源有限公司 | Lithium ion flow battery with power grid side energy storage function |
-
2017
- 2017-09-18 CN CN201721196103.5U patent/CN207217702U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107591577A (en) * | 2017-09-18 | 2018-01-16 | 佛山科学技术学院 | A kind of battery battery core management system |
| CN112751060A (en) * | 2021-01-07 | 2021-05-04 | 傲普(上海)新能源有限公司 | Lithium ion flow battery with power grid side energy storage function |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180410 Termination date: 20190918 |
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| CF01 | Termination of patent right due to non-payment of annual fee |