CN106208239A - A kind of safe lithium battery group information acquisition system - Google Patents
A kind of safe lithium battery group information acquisition system Download PDFInfo
- Publication number
- CN106208239A CN106208239A CN201610707448.6A CN201610707448A CN106208239A CN 106208239 A CN106208239 A CN 106208239A CN 201610707448 A CN201610707448 A CN 201610707448A CN 106208239 A CN106208239 A CN 106208239A
- Authority
- CN
- China
- Prior art keywords
- cells
- master control
- relay
- control borad
- charge
- 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
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 28
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Classifications
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- H02J7/0026—
-
- 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
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00306—Overdischarge protection
-
- 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 invention discloses a kind of safe lithium battery group information acquisition system, including master control borad, charger, set of cells, charge relay, electric discharge relay, load, described master control borad is connected with set of cells, and described master control borad is connected with the BMS of set of cells by CAN, described charger one end is connected with set of cells, the described charger other end is connected with set of cells by charge relay, described charge relay is connected with master control borad, and described set of cells, charge relay, charger constitute charge circuit；Described load one end is connected with master control borad by electric discharge relay; the described load other end is located between charger and set of cells; described set of cells, charger, load, the relay that discharges constitute power-off loop; the present invention provides a kind of safe lithium battery group information acquisition system; control discharge and recharge relay by the state of master control borad detection set of cells and realize charge and discharge protecting, improve the stability of system.
Description
Technical field
The present invention relates to battery management system field, particularly to a kind of safe lithium battery group information acquisition system.
Background technology
Along with the development of society, use lithium battery more and more extensive as the application of power, electric automobile, electric motorcycle,
The product that electronic vista car, back power supply etc. use lithium battery to export as its power occurs in succession, and to lithium battery group
Research worker and mechanism also get more and more, in order to gather the information of lithium battery group, people need constantly to fill lithium battery
Electric discharge, gathers the characteristic information of lithium battery group in charge and discharge process, but during information gathering, it may appear that some are uneasy
Full situation, as lithium battery overcharges, excessively puts, crosses the abnormalities such as stream, these abnormalities easily cause lithium battery group to damage, equipment
The serious accidents such as damage, even initiation fire, therefore, the information gathering that carries out lithium battery group of safety is vast research people
Member needs the major issue considered.
Summary of the invention
Goal of the invention: the invention aims to solve deficiency of the prior art, it is provided that a kind of safe lithium battery
Group information acquisition system, controls discharge and recharge relay by the state of master control borad detection set of cells and realizes charge and discharge protecting, improve
The stability of system.
Technical scheme: a kind of safe lithium battery group information acquisition system of the present invention, including master control borad, charging
Mechanical, electrical pond group, charge relay, electric discharge relay, load, described master control borad is connected with set of cells, and described master control borad passes through
CAN is connected with the BMS of set of cells, and described charger one end is connected with set of cells, and the described charger other end is by filling
Electrical relay is connected with set of cells, and described charge relay is connected with master control borad, described set of cells, charge relay, charger
Constitute charge circuit；Described load one end is connected with master control borad by electric discharge relay, and the described load other end is located at charger
And between set of cells, described set of cells, charger, load, the relay that discharges constitute power-off loop.
Further, described master control borad is connected with the BMS of set of cells by CAN, the state of detection set of cells, reaches
The function of charge and discharge protecting.
Further, described master control borad is connected with set of cells, whole group of voltage of detection set of cells, reaches charge and discharge protecting
Function.
Further, described master control borad is connected with the both positive and negative polarity of set of cells respectively.
Further, described set of cells is made up of multiple batteries.
The present invention compared with prior art has the advantage that
1, the present invention provides a kind of safe lithium battery group information acquisition system, by the shape of master control borad detection set of cells
State, with control charge relay with electric discharge relay realize charge and discharge protecting, set of cells is in charge and discharge process, if occurring
Put, overcharge, cross the situations such as stream, then cut off charge relay and electric discharge relay, it is achieved charge and discharge protecting, to guarantee information gathering
Stability and safety.
2, the lithium battery group information acquisition system of the present invention so that if set of cells occurred putting in charge and discharge process, mistake
Fill, cross the situation such as stream and then cut off charge relay and electric discharge relay, it is achieved that the protection to lithium battery group, have wide should
Use prospect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Label in figure: 1-master control borad, 2-charger, 3-set of cells, 4-charge relay, 5-electric discharge relay, 6-load,
7-CAN bus, 8-BMS
Detailed description of the invention
In order to deepen the understanding of the present invention, below we will the invention will be further described in conjunction with accompanying drawing, this embodiment
It is only used for explaining the present invention, is not intended that limiting the scope of the present invention.
A kind of safe lithium battery group information acquisition system, including master control borad 1, charger 2, set of cells 3,
Charge relay 4, electric discharge relay 5, load 6, described master control borad 1 is connected with set of cells 3, and described master control borad 1 is total by CAN
Line 7 is connected with the BMS8 of set of cells 3, and described charger 2 one end is connected with set of cells 3, and described charger 2 other end is by filling
Electrical relay 4 is connected with set of cells 3, and described charge relay 4 is connected with master control borad 1, described set of cells 3, charge relay 4,
Charger 2 constitutes charge circuit；Described load 6 one end is connected with master control borad 1 by electric discharge relay 5, described load 6 other end
Being located between charger 2 and set of cells 3, described set of cells 3, charger 2, load 6, electric discharge relay 5 constitute power-off loop, institute
State master control borad 1 to be connected with the BMS8 of set of cells 3 by CAN 7, the state of detection set of cells 3, reach the merit of charge and discharge protecting
Can, described master control borad 1 is connected with set of cells 3, whole group of voltage of detection set of cells 3, reaches the function of charge and discharge protecting, described master
Controlling the plate 1 both positive and negative polarity respectively with set of cells 3 to be connected, described set of cells 3 is made up of multiple batteries.
Operation principle of the present invention: master control borad 1 is connected with the BMS8 of set of cells 3 by CAN 7, master control borad 1 and set of cells
3 are connected, and during charging, set of cells 3 is connected with charger 2, charge relay 4, set of cells 3 and load 6, electric discharge relay 5 during electric discharge
It is connected；During electric discharge, master control borad 1 detects set of cells 3 voltage and discharge current, as found certain batteries brownout or electric discharge
Electric current is excessive, then cut off electric discharge relay 5, it is achieved discharge prevention；During charging, master control borad 1 detects set of cells 3 voltage and charging
Electric current, as excessive in found certain batteries overtension or charging current, then cut off charge relay 4, it is achieved charge protection；As
Really CAN 7 communication disruption of the BMS8 of master control borad 1 and set of cells 3, then cut off charge relay 4 and electric discharge relay 5, real
Existing charge and discharge protecting；Master control borad 1 can directly detect whole group of voltage of set of cells 3, as found 3 whole groups of overtensions of set of cells or mistake
Low, then cut off charge relay 4 and electric discharge relay 5, it is achieved charge and discharge protecting.
The present invention provides a kind of safe lithium battery group information acquisition system, is detected the shape of set of cells 3 by master control borad 1
State, realizes charge and discharge protecting with electric discharge relay 5 controlling charge relay 4, and set of cells 3 is in charge and discharge process, if occurring
Cross and put, overcharge, cross the situations such as stream, then cut off charge relay 4 and electric discharge relay 5, it is achieved charge and discharge protecting, to guarantee information
The stability gathered and safety, the lithium battery group information acquisition system of the present invention so that if set of cells 3 is in charge and discharge process
Occurred putting, overcharged, cross the situations such as stream and then cut off charge relay 4 and electric discharge relay 5, it is achieved that the guarantor to lithium battery group
Protect, have broad application prospects.
Above-mentioned detailed description of the invention, is only technology design and the architectural feature of the explanation present invention, it is therefore intended that allow and be familiar with this
The stakeholder of item technology can implement according to this, but above content is not limiting as protection scope of the present invention, every according to this
Any equivalence that bright spirit is made changes or modifies, and all should fall under the scope of the present invention.
Claims (5)
1. the lithium battery group information acquisition system of a safety, it is characterised in that: include master control borad (1), charger (2), battery
Group (3), charge relay (4), electric discharge relay (5), load (6), described master control borad (1) is connected with set of cells (3), and described
Master control borad (1) is connected with the BMS (8) of set of cells (3) by CAN (7), described charger (2) one end and set of cells (3) phase
Connecting, described charger (2) other end is connected with set of cells (3) by charge relay (4), described charge relay (4) and
Master control borad (1) is connected, and described set of cells (3), charge relay (4), charger (2) constitute charge circuit；Described load (6)
Holding and be connected with master control borad (1) by electric discharge relay (5), described load (6) other end is located at charger (2) and set of cells (3)
Between, described set of cells (3), charger (2), load (6), electric discharge relay (5) constitute power-off loop.
A kind of safe lithium battery group information acquisition system, it is characterised in that: described master control borad
(1) it is connected with the BMS (8) of set of cells (3) by CAN (7), the state of detection set of cells (3), reach charge and discharge protecting
Function.
A kind of safe lithium battery group information acquisition system, it is characterised in that: described master control borad
(1) it is connected with set of cells (3), whole group of voltage of detection set of cells (3), reach the function of charge and discharge protecting.
A kind of safe lithium battery group information acquisition system, it is characterised in that: described master control borad
(1) both positive and negative polarity with set of cells (3) is connected respectively.
A kind of safe lithium battery group information acquisition system, it is characterised in that: described set of cells
(3) it is made up of multiple batteries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610707448.6A CN106208239A (en) | 2016-08-23 | 2016-08-23 | A kind of safe lithium battery group information acquisition system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610707448.6A CN106208239A (en) | 2016-08-23 | 2016-08-23 | A kind of safe lithium battery group information acquisition system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106208239A true CN106208239A (en) | 2016-12-07 |
Family
ID=57523445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610707448.6A Pending CN106208239A (en) | 2016-08-23 | 2016-08-23 | A kind of safe lithium battery group information acquisition system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106208239A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040164706A1 (en) * | 2001-03-30 | 2004-08-26 | Osborne Jeffrey Roger | Battery management unit, system and method |
| CN205141749U (en) * | 2015-11-20 | 2016-04-06 | 浙江超威创元实业有限公司 | Electromobile lithium battery management device |
-
2016
- 2016-08-23 CN CN201610707448.6A patent/CN106208239A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040164706A1 (en) * | 2001-03-30 | 2004-08-26 | Osborne Jeffrey Roger | Battery management unit, system and method |
| CN205141749U (en) * | 2015-11-20 | 2016-04-06 | 浙江超威创元实业有限公司 | Electromobile lithium battery management device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |
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| RJ01 | Rejection of invention patent application after publication |