CN107978809A - The dynamic lithium battery group traced to the source based on radio frequency - Google Patents
The dynamic lithium battery group traced to the source based on radio frequency Download PDFInfo
- Publication number
- CN107978809A CN107978809A CN201711272161.6A CN201711272161A CN107978809A CN 107978809 A CN107978809 A CN 107978809A CN 201711272161 A CN201711272161 A CN 201711272161A CN 107978809 A CN107978809 A CN 107978809A
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- circuit
- voltage
- microprocessor
- housing
- 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
Classifications
-
- 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
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
-
- 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
-
- 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
-
- 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
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/18—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteries; for accumulators
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Protection Of Static Devices (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The present invention relates to lithium battery protection circuit technical field,Specifically a kind of dynamic lithium battery group traced to the source based on radio frequency,It is characterized in that lithium battery protection board is equipped with microprocessor and the battery voltage balancing circuit being connected respectively with microprocessor,Secondary overvoltage protects circuit,Temperature collection circuit,Humidity collection circuit,Wherein the more than two voltage collection circuits to connect one to one with single lithium battery in battery pack are equipped with secondary overvoltage protection circuit,It is additionally provided with the more than two voltage comparators to connect one to one with voltage collection circuit,The output terminal of voltage comparator is connected with microprocessor,Second protection switch and fuse are additionally provided with secondary overvoltage protection circuit,The present invention can effectively prevent the infringement that short circuit is brought to lithium battery group,The difference of single battery different in lithium battery group can be overcome by voltage balance circuit at the same time,Improve the work efficiency of lithium battery group,Extend its service life.
Description
Technical field：
The present invention relates to lithium battery protection circuit technical field, specifically it is a kind of it is safe and reliable, efficient, use the longevity
Order the long dynamic lithium battery group traced to the source based on radio frequency.
Background technology：
Lithium battery group has been widely used in small electric apparatus and electric automobile etc., in the application process of lithium battery, pin
It is critically important to the overcharging of lithium battery, over-discharge, overcurrent and short-circuit protection, since lithium ion battery energy density is high,
It is difficult to ensure that the security of battery, under overcharged state, energy is by surplus after battery temperature rises, then electrolyte decomposition
And gas is produced, the danger of spontaneous combustion or rupture occurs because of internal pressure rising；Conversely, under over-discharge state, electrolyte is because dividing
Solution causes battery behavior and durability to deteriorate, so as to reduce chargeable number, the protection circuit of lithium ion battery makes sure that
It is such to overcharge and security during discharge condition, and prevent deterioration in characteristics.
In addition, lithium battery group is formed using multiple single lithium battery serial or parallel connections, the capacity of wherein single lithium battery has
Limit, and the mutual electrical property of more piece single lithium battery is variant, and the power lithium of the high-power output of high voltage is combined into more piece
Battery, it is necessary to rely on management system and be controlled and protect.Current protective device is all single-group type, circuit discrete volume
Greatly, job insecurity and protection domain is restricted.
The content of the invention：
The present invention is directed to shortcoming and defect existing in the prior art, it is proposed that one kind is safe and reliable, efficient, uses the longevity
Order the long dynamic lithium battery group traced to the source based on radio frequency.
The present invention can be reached by following measures：
A kind of dynamic lithium battery group traced to the source based on radio frequency, equipped with housing, is equipped with lithium battery protection board and by two in housing
A above single lithium battery is connected the battery pack to be formed, it is characterised in that lithium battery protection board be equipped with microprocessor and respectively with
Battery voltage balancing circuit that microprocessor is connected, secondary overvoltage protection circuit, temperature collection circuit, humidity collection circuit,
Wherein it is equipped with secondary overvoltage protection circuit and is adopted with more than two voltages that single lithium battery in battery pack connects one to one
Collector, is additionally provided with the more than two voltage comparators to connect one to one with voltage collection circuit, voltage comparator it is defeated
Outlet is connected with microprocessor, and second protection switch and fuse, second protection are additionally provided with secondary overvoltage protection circuit
The control terminal of switch is connected with microprocessor, and the other end is connected with fuse, and fuse is connected on the cathode of single lithium battery
Between the total cathode of lithium battery group, RF tag is additionally provided with housing, deformation component mounting hole is opened up on housing, elastic membrane is fixed
On deformation component mounting hole, housing is made of the good metal material of thermal conductivity, housing exterior walls be equipped with radiating fin and
Radiator fan, housing are equipped with waterproof vent valve and explosion-proof plug.
Voltage balance circuit of the present invention is equipped with energy storage inductor, DC/DC booster circuits, more than two voltages and compares
Device, more than two permanent-magnet relays, more than two of which voltage comparator respectively with more than two single lithium batteries one
One corresponds to connection, and the other end of voltage comparator is connected with microprocessor, DC/DC booster circuits respectively through it is more than two forever
Magnetic relay is connected with more than two single lithium batteries, and the other end of DC/DC booster circuits is connected with energy storage inductor, forever
The control terminal of magnetic relay is connected with microprocessor.
Voltage comparator includes A/D convertor circuit and voltage swing comparison circuit in the present invention.
The present invention protects circuit effectively to prevent short circuit to lithium battery group band during use, by secondary overvoltage
The infringement come, while the difference of single battery different in lithium battery group can be overcome by voltage balance circuit, improve lithium electricity
The work efficiency of pond group, extends its service life.
Brief description of the drawings：
Attached drawing 1 is the structure diagram of the present invention.
Reference numeral：Microprocessor 1, battery voltage balancing circuit 2, secondary overvoltage protection circuit 3, temperature collection circuit 4,
Humidity collection circuit 5.
Embodiment：
The present invention is further illustrated below in conjunction with the accompanying drawings.
As shown in drawings, the present invention proposes a kind of dynamic lithium battery group traced to the source based on radio frequency, equipped with housing, in housing
Connected equipped with lithium battery protection board and by two or more single lithium battery the battery pack formed, it is characterised in that lithium battery protection board
The battery voltage balancing circuit 2 that is connected equipped with microprocessor 1 and respectively with microprocessor 1, secondary overvoltage protection circuit 3,
It is equipped with and single lithium battery in battery pack one in temperature collection circuit 4, humidity collection circuit 5, wherein secondary overvoltage protection circuit 3
One corresponds to more than two voltage collection circuits of connection, is additionally provided with the two or more to connect one to one with voltage collection circuit
Voltage comparator, the output terminal of voltage comparator is connected with microprocessor, and two are additionally provided with secondary overvoltage protection circuit
Secondary protection switch and fuse, the control terminal of second protection switch are connected with microprocessor 1, and the other end is connected with fuse
Connect, fuse is connected between the cathode of single lithium battery and the total cathode of lithium battery group；RF tag is additionally provided with housing, on housing
Deformation component mounting hole is opened up, elastic membrane is fixed on deformation component mounting hole, and housing is using the good metal material system of thermal conductivity
Into housing exterior walls are equipped with radiating fin and radiator fan, and housing is equipped with waterproof vent valve and explosion-proof plug.
Voltage balance circuit 2 of the present invention is equipped with energy storage inductor, DC/DC booster circuits, more than two voltages and compares
Device, more than two permanent-magnet relays, more than two of which voltage comparator respectively with more than two single lithium batteries one
One corresponds to connection, and the other end of voltage comparator is connected with microprocessor, DC/DC booster circuits respectively through it is more than two forever
Magnetic relay is connected with more than two single lithium batteries, and the other end of DC/DC booster circuits is connected with energy storage inductor, forever
The control terminal of magnetic relay is connected with microprocessor.
Voltage comparator includes A/D convertor circuit and voltage swing comparison circuit in the present invention.
The present invention protects circuit effectively to prevent short circuit to lithium battery group band during use, by secondary overvoltage
The infringement come, while the difference of single battery different in lithium battery group can be overcome by voltage balance circuit, improve lithium electricity
The work efficiency of pond group, extends its service life.
Claims (3)
1. a kind of dynamic lithium battery group traced to the source based on radio frequency, equipped with housing, is equipped with lithium battery protection board and by two in housing
Above single lithium battery is connected the battery pack to be formed, it is characterised in that lithium battery protection board be equipped with microprocessor and respectively with it is micro-
Battery voltage balancing circuit that processor is connected, secondary overvoltage protection circuit, temperature collection circuit, humidity collection circuit, its
The more than two voltage acquisitions to connect one to one with single lithium battery in battery pack are equipped with middle secondary overvoltage protection circuit
Circuit, is additionally provided with the more than two voltage comparators to connect one to one with voltage collection circuit, the output of voltage comparator
End is connected with microprocessor, is additionally provided with second protection switch in secondary overvoltage protection circuit and fuse, second protection are opened
The control terminal of pass is connected with microprocessor, and the other end is connected with fuse, fuse be connected on single lithium battery cathode and
Between the total cathode of lithium battery group；RF tag is additionally provided with housing, deformation component mounting hole is opened up on housing, elastic membrane is fixed on
On deformation component mounting hole, housing is made of the good metal material of thermal conductivity, and housing exterior walls are equipped with radiating fin and dissipate
Hot-air fan, housing are equipped with waterproof vent valve and explosion-proof plug.
2. a kind of dynamic lithium battery group traced to the source based on radio frequency according to claim 1, it is characterised in that the voltage is equal
The circuit that weighs is equipped with energy storage inductor, DC/DC booster circuits, more than two voltage comparators, more than two permanent-magnet relays, its
In more than two voltage comparators connect one to one respectively with more than two single lithium batteries, voltage comparator it is another
End is connected with microprocessor, and DC/DC booster circuits are respectively through more than two permanent-magnet relays and more than two monomer lithiums
Battery is connected, and the other end of DC/DC booster circuits is connected with energy storage inductor, and the control terminal of permanent-magnet relay is and microprocessor
Device is connected.
A kind of 3. dynamic lithium battery group traced to the source based on radio frequency according to claim 1, it is characterised in that voltage comparator
Including A/D convertor circuit and voltage swing comparison circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711272161.6A CN107978809A (en) | 2017-12-06 | 2017-12-06 | The dynamic lithium battery group traced to the source based on radio frequency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711272161.6A CN107978809A (en) | 2017-12-06 | 2017-12-06 | The dynamic lithium battery group traced to the source based on radio frequency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107978809A true CN107978809A (en) | 2018-05-01 |
Family
ID=62009113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711272161.6A Pending CN107978809A (en) | 2017-12-06 | 2017-12-06 | The dynamic lithium battery group traced to the source based on radio frequency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107978809A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378541A (en) * | 2018-10-13 | 2019-02-22 | 东方醒狮新动力电池有限公司 | Lithium dynamical battery and its preparation, recovery method based on radio frequency induction |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204407869U (en) * | 2014-12-15 | 2015-06-17 | 东莞市百维科技有限公司 | Lithium battery secondary overvoltage protective circuit and lithium battery protection circuit |
| CN204905945U (en) * | 2015-08-28 | 2015-12-23 | 昆山金鑫新能源科技有限公司 | Many strings of heavy current equalizer circuit of lithium cell group |
| CN205791595U (en) * | 2016-05-18 | 2016-12-07 | 安徽师范大学 | There is the lithium battery group of integrated pipe Ore-controlling Role |
| CN205791594U (en) * | 2016-05-18 | 2016-12-07 | 安徽师范大学 | There is the lithium battery group of big current equalization circuit |
| US20170110766A1 (en) * | 2010-11-29 | 2017-04-20 | Martin Koebler | Lithium-based starter battery |
| CN107257156A (en) * | 2017-08-11 | 2017-10-17 | 安徽华凯新能源科技有限公司 | Explosion-proof lithium battery group based on intelligent control |
-
2017
- 2017-12-06 CN CN201711272161.6A patent/CN107978809A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170110766A1 (en) * | 2010-11-29 | 2017-04-20 | Martin Koebler | Lithium-based starter battery |
| CN204407869U (en) * | 2014-12-15 | 2015-06-17 | 东莞市百维科技有限公司 | Lithium battery secondary overvoltage protective circuit and lithium battery protection circuit |
| CN204905945U (en) * | 2015-08-28 | 2015-12-23 | 昆山金鑫新能源科技有限公司 | Many strings of heavy current equalizer circuit of lithium cell group |
| CN205791595U (en) * | 2016-05-18 | 2016-12-07 | 安徽师范大学 | There is the lithium battery group of integrated pipe Ore-controlling Role |
| CN205791594U (en) * | 2016-05-18 | 2016-12-07 | 安徽师范大学 | There is the lithium battery group of big current equalization circuit |
| CN107257156A (en) * | 2017-08-11 | 2017-10-17 | 安徽华凯新能源科技有限公司 | Explosion-proof lithium battery group based on intelligent control |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378541A (en) * | 2018-10-13 | 2019-02-22 | 东方醒狮新动力电池有限公司 | Lithium dynamical battery and its preparation, recovery method based on radio frequency induction |
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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: 20180501 |
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| RJ01 | Rejection of invention patent application after publication |