CN109980714A - It is a kind of for extending the control device of lithium battery service life - Google Patents
It is a kind of for extending the control device of lithium battery service life Download PDFInfo
- Publication number
- CN109980714A CN109980714A CN201811586008.5A CN201811586008A CN109980714A CN 109980714 A CN109980714 A CN 109980714A CN 201811586008 A CN201811586008 A CN 201811586008A CN 109980714 A CN109980714 A CN 109980714A
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- delimiter
- service life
- control centre
- power supply
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
-
- 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
-
- 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
- H02J7/00306—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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of for extending the control device of lithium battery service life, it includes control centre, lithium battery, coulometric detector, lithium battery charging delimiter, lithium battery electric discharge delimiter, charger and equipment power supply unit, the control centre is separately connected the coulometric detector, the lithium battery charging delimiter and lithium battery electric discharge delimiter, the equipment power supply unit is connect with the equipment power supply unit, the lithium battery charging delimiter is connect with the charger, the coulometric detector is used to detect the battery capacity of the lithium battery and the battery capacity is sent to the control centre.The power supply and electric discharge of the on-line automatic control lithium battery of the present invention, ensure that the electricity of lithium battery 20%~80%；The temperature for effectively controlling lithium battery simultaneously, makes lithium battery be able to maintain the service life for greatly prolonging lithium battery in optimum working temperature state.
Description
Technical field
The present invention relates to a kind of control devices more particularly to a kind of for extending the control device of lithium battery service life.
Background technique
Lithium battery has many advantages, such as high-energy density, has extended cycle life, is pollution-free and light-weight.Currently, lithium battery is extensive
Applied to each electrical equipment, including electric vehicle, computer etc., lithium battery will necessarily become main power resources, however, lithium battery
Depth of discharge is deeper, and the loss of battery will be bigger；Lithium battery charges fuller, and the loss of battery also can be bigger.Lithium battery
It is preferably in the intermediate state of electricity, at that rate battery life longest.
However, at present because lithium battery using when do not accomplish effectively to control using electricity, user because knowing electricity not in time
Pond behaviour in service, electricity is often used up just charge the battery, and is chronically at low battery or the lithium battery without state of charge, electricity
It is inside pond increasing to the resistance that electronics is mobile, it then results in battery capacity and becomes smaller, the longevity can be used by lithium battery significantly in this way
Life.In addition, if used while charging, such as the lithium battery of some laptops, often allow cell voltage super
Normal voltage 0.1V is crossed, i.e., rises to 4.2V from 4.1V, then the service life of lithium battery can halve, then improves 0.1V, then lithium battery
Service life is kept to original 1/3.
In addition, temperature also has large effect to service life of lithium battery, (mobile phone and other miniaturized electronics are put this and can be neglected
Slightly).Environment below freezing is there is a possibility that lithium battery is burnt in the moment that electronic product is opened, and the environment overheated can then reduce
The capacity of battery.Therefore, if laptop is used for a long time external power supply and does not also take off battery, battery is just chronically at
In the high fever of notebook discharge, more important is lithium battery is chronically at 100% state of charge, will soon scrap.Such as
Fruit laptop is used for a long time external power supply and does not also take off battery, and the high fever that battery is just chronically at notebook discharge is worked as
In, more important is lithium battery is chronically at 100% state of charge, will soon scrap.
Therefore, it needs to find the above hardly possible of technical solution solution that one kind can effectively control lithium battery electric discharge with charging voltage
Topic.
Summary of the invention
It is a kind of for extending lithium the technical problem to be solved by the present invention is in order to overcome the defects of the prior art, now provide
The control device of battery, the power supply and electric discharge of on-line automatic control lithium battery, ensure that the electricity of lithium battery exists
20%~80%；The temperature for effectively controlling lithium battery simultaneously, is able to maintain lithium battery in optimum working temperature state, prolongs significantly
The service life of long lithium battery.
The present invention is to solve above-mentioned technical problem by following technical proposals:
The present invention is a kind of for extending the control device of lithium battery service life, it is characterized in that, the extension regeneration electricity
The system of pond service life includes control centre, lithium battery, coulometric detector, lithium battery charging delimiter, lithium battery electric discharge limit
Determine device, charger and equipment power supply unit, the control centre is separately connected the coulometric detector, lithium battery charging limit
Determine device and lithium battery electric discharge delimiter, the equipment power supply unit is connect with the equipment power supply unit, the lithium battery
Charging delimiter is connect with the charger, and the coulometric detector is used to detect the battery capacity of the lithium battery and will be described
Battery capacity is sent to the control centre, and when the battery capacity is lower than 20%, the control centre controls the lithium electricity
Delimiter is charged to the lithium battery power supply in pond, and controls the lithium battery electric discharge delimiter and stop to the equipment power supply unit
Power supply；When the battery capacity is higher than 80%, the control centre controls the lithium battery charging delimiter and stops to described
Lithium battery power supply, and the lithium battery electric discharge delimiter is controlled to the equipment power supply unit normal power supply.
Preferably, described for extend the control device of lithium battery service life to further include electricity buffer, the electricity
Buffer is connect with the control centre and lithium battery charging delimiter respectively, when the battery capacity is higher than 80%,
The control centre controls the lithium battery charging delimiter to the electricity buffer；When the battery capacity lower than 20% and
When the charger is not powered, the control centre controls the electricity buffer and discharges to the lithium battery.
Preferably, described for extend the control device of lithium battery service life to further include temperature sensor, temperature reducing unit
And heating unit, one end of the temperature sensor connect the lithium battery, described in the other end connection of the temperature sensor
Control centre, the temperature reducing unit and the heating unit are connect with the control centre, the temperature reducing unit and it is described plus
Hot cell is arranged close in the outside of the lithium battery.
Preferably, when the temperature sensor detects the lithium battery temperature lower than 10 DEG C, control centre's control
Heating unit processed is begun to warm up until 20 DEG C；When the temperature sensor detects that the lithium battery temperature is higher than 40 DEG C, institute
It states control centre's control temperature reducing unit and starts cooling until 20 DEG C.
Preferably, described for extend the control device of lithium battery service life to further include electricity alarm, the electricity
Alarm is connect with the coulometric detector.
Preferably, the electricity alarm is combined aural and visual alarm.
The positive effect of the present invention is that:
The power supply and electric discharge of the on-line automatic control lithium battery of the present invention, ensure that the electricity of lithium battery 20%~80%；
The temperature for effectively controlling lithium battery simultaneously, is able to maintain lithium battery in optimum working temperature state, greatly prolongs lithium battery
Service life.
Fig. 1 is the overall structure diagram of preferred embodiment of the invention.
Specific embodiment
The present invention is further illustrated below by the mode of embodiment, but does not therefore limit the present invention to the reality
It applies among a range.
Referring to Figure 1, the present invention is a kind of for extending the control device of 5 service life of lithium battery, including control centre 2,
Lithium battery 5, coulometric detector 6, lithium battery charging delimiter 3, lithium battery electric discharge delimiter 4, charger 1 and equipment power supply unit
12, the control centre 2 is separately connected the coulometric detector 6, lithium battery charging delimiter 3 and lithium battery electric discharge
Delimiter 4, the equipment power supply unit 12 are connect with the equipment power supply unit 12, the lithium battery charging delimiter 3 and institute
The connection of charger 1 is stated, the coulometric detector 6 is used to detect the battery capacity of the lithium battery 5 and sends out the battery capacity
The control centre 2 is given, when the battery capacity is lower than 20%, the control centre 2 controls the lithium battery charging limit
Determine device 3 to power to the lithium battery 5, and controls the lithium battery electric discharge delimiter 4 and stop supplying to the equipment power supply unit 12
Electricity；When the battery capacity is higher than 80%, the control centre 2 controls the battery charging delimiter 3 and stops to the lithium
Battery 5 is powered, and controls the battery discharge delimiter 4 to 12 normal power supply of equipment power supply unit.
Preferably, described for extend the control device of 5 service life of lithium battery to further include electricity buffer 11, the electricity
Measure buffer 11 respectively with the control centre 2 and the lithium batteryThe delimiter 3 that charges connects, when the battery capacity is higher than
When 80%, the control centre 2 controls the lithium battery charging delimiter 3 to the electricity buffer 11；When the battery electricity
For amount lower than 20% and when the charger 1 is not powered, the control centre 2 controls the electricity buffer 11 to the lithium battery
5 electric discharges.
Preferably, the control device for extending 5 service life of lithium battery further includes temperature sensor 7, cooling list
Member 8 and heating unit 9, one end of the temperature sensor 7 connect the lithium battery 5, and the other end of the temperature sensor 7 connects
The control centre 2 is met, the temperature reducing unit 8 and the heating unit 9 are connect with the control centre 2, and the cooling is single
Member 8 and the heating unit 9 are arranged close in the outside of the lithium battery 5.
Preferably, when the temperature sensor 7 detects 5 temperature of lithium battery lower than 10 DEG C, the control centre 2
Control heating unit 9 is begun to warm up until 20 DEG C；When the temperature sensor 7 detects that 5 temperature of lithium battery is higher than 40 DEG C
When, the control centre 2 controls temperature reducing unit 8 and starts cooling until 20 DEG C.
Preferably, described for extend the control device of 5 service life of lithium battery to further include electricity alarm 10, the electricity
Amount alarm 10 is connect with the coulometric detector 6.
Preferably, the electricity alarm 10 is combined aural and visual alarm.
Have extremely strict requirements to the Current Voltage of access when lithium battery 5 is to charge and discharge, in order to protect battery not because
Extraneous electrical environment is not normal and damages, and the chip of management battery status can be arranged inside battery body.There are also remember simultaneously for this chip
Battery capacity is recorded, the function of battery capacity is corrected.
It does not use within lithium battery 5 long-term three months or more, electrode material passivation can be generated, battery performance decline can use
Fully charged three times, complete electric discharge purifies to release, and plays the peak performance of battery.The present invention can also include battery capacity
Hold time detector, when battery capacity is held time it is longer when, lithium battery 5 can be with automatic discharging to electricity buffer 11.Lithium
The cost of battery 5 is more much higher than the cost of electricity buffer 11, and self-shield is discharged in this way, extends the use of lithium battery 5
Service life.
The power supply and electric discharge of the on-line automatic control lithium battery 5 of the present invention, ensure that the electricity of lithium battery 5 20%~
80%；The temperature for effectively controlling lithium battery 5 simultaneously, is able to maintain lithium battery 5 in optimum working temperature state, greatly prolongs lithium
The service life of battery 5.
The present invention has been described in detail with reference to the accompanying drawings, those skilled in the art can be according to upper
It states and bright many variations example is made to the present invention.All within the spirits and principles of the present invention, it is made it is any modification, equally replace
It changes, improve, should all be included in the protection scope of the present invention.Thus, certain details in embodiment should not be constituted to this
The restriction of invention, the present invention will be using the ranges that the appended claims define as protection scope of the present invention.
Claims (6)
1. a kind of for extending the control device of lithium battery service life, which is characterized in that the extension redgenerated cell uses the longevity
The system of life includes control centre, lithium battery, coulometric detector, lithium battery charging delimiter, lithium battery electric discharge delimiter, power supply
Device and equipment power supply unit, the control centre are separately connected the coulometric detector, lithium battery charging delimiter and institute
Lithium battery electric discharge delimiter is stated, the equipment power supply unit is connect with the equipment power supply unit, and the lithium battery charging limits
Device is connect with the charger, and the coulometric detector is used to detect the battery capacity of the lithium battery and by the battery capacity
It is sent to the control centre, when the battery capacity is lower than 20%, the control centre controls the lithium battery charging limit
Device is determined to the lithium battery power supply, and is controlled the lithium battery electric discharge delimiter and stopped powering to the equipment power supply unit；When
When the battery capacity is higher than 80%, the control centre controls the lithium battery charging delimiter and stops supplying to the lithium battery
Electricity, and the lithium battery electric discharge delimiter is controlled to the equipment power supply unit normal power supply.
2. according to claim 1 for extending the control device of lithium battery service life, which is characterized in that described to be used for
Extend lithium battery service life control device further include electricity buffer, the electricity buffer respectively with the control centre
It is connected with lithium battery charging delimiter, when the battery capacity is higher than 80%, the control centre controls the lithium electricity
Delimiter charge to the electricity buffer in pond；It is described when the battery capacity is lower than 20% and the charger is not powered
Control centre controls the electricity buffer and discharges to the lithium battery.
3. according to claim 1 for extending the control device of lithium battery service life, which is characterized in that described to be used for
The control device for extending lithium battery service life further includes temperature sensor, temperature reducing unit and heating unit, the temperature sensing
One end of device connects the lithium battery, and the other end of the temperature sensor connects the control centre, the temperature reducing unit and
The heating unit is connect with the control centre, and the temperature reducing unit and the heating unit are arranged close in the lithium electricity
The outside in pond.
4. according to claim 3 for extending the control device of lithium battery service life, which is characterized in that when the temperature
When degree sensor detects the lithium battery temperature lower than 10 DEG C, control centre's control heating unit is begun to warm up until 20
℃；When the temperature sensor detects that the lithium battery temperature is higher than 40 DEG C, control centre's control temperature reducing unit is opened
Cooling begin until 20 DEG C.
5. according to claim 1 for extending the control device of lithium battery service life, which is characterized in that described to be used for
The control device for extending lithium battery service life further includes electricity alarm, and the electricity alarm and the coulometric detector connect
It connects.
6. according to claim 5 for extending the control device of lithium battery service life, which is characterized in that the electricity
Alarm is combined aural and visual alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811586008.5A CN109980714A (en) | 2018-12-25 | 2018-12-25 | It is a kind of for extending the control device of lithium battery service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811586008.5A CN109980714A (en) | 2018-12-25 | 2018-12-25 | It is a kind of for extending the control device of lithium battery service life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109980714A true CN109980714A (en) | 2019-07-05 |
Family
ID=67076379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811586008.5A Pending CN109980714A (en) | 2018-12-25 | 2018-12-25 | It is a kind of for extending the control device of lithium battery service life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109980714A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113031329A (en) * | 2021-03-05 | 2021-06-25 | 东风汽车集团股份有限公司 | Liquid crystal display charging and heating method and system and storage medium |
-
2018
- 2018-12-25 CN CN201811586008.5A patent/CN109980714A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113031329A (en) * | 2021-03-05 | 2021-06-25 | 东风汽车集团股份有限公司 | Liquid crystal display charging and heating method and system and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202190065U (en) | Battery protective circuit | |
| CN101908771A (en) | Circuit for realizing fast and slow charging in linear circuits and charging control method | |
| CN102570403B (en) | Temperature protection circuit for lithium ion battery charging and discharging | |
| US20180366789A1 (en) | Portable Renewable Energy Power System | |
| CN1630129A (en) | Equipment for heating and charging chargeable battery under low-temperature | |
| CN204145003U (en) | A kind of lithium battery management devices | |
| CN109980714A (en) | It is a kind of for extending the control device of lithium battery service life | |
| CN103124097A (en) | Intelligent lithium ion charger | |
| CN107195998A (en) | Charging device and method | |
| US6894459B2 (en) | Charging method for extending battery life in the presence of high temperature | |
| CN204465034U (en) | Lithium battery group charge and discharge protecting plate and lithium battery group protection system | |
| CN206313492U (en) | A kind of quick charge controls circuit | |
| CN206595737U (en) | A kind of lithium battery charging system | |
| CN201113406Y (en) | Protective circuit for battery | |
| CN115864568A (en) | Portable energy-storage battery management system and method for power supply package | |
| CN107086643A (en) | A kind of energy-saving management of charging and discharging system | |
| CN207797876U (en) | Super capacitor power supply electric shock baton | |
| CN104037879B (en) | Battery pack and protection device thereof | |
| CN209766606U (en) | Novel heat preservation battery | |
| CN209472420U (en) | A kind of ultralow temperature startup power supply device | |
| CN203871903U (en) | Multifunctional intelligent mobile power supply | |
| CN203180580U (en) | An intelligent lithium ion charger | |
| CN202918006U (en) | Multifunctional battery protection board for thermal protective clothes | |
| CN105656172A (en) | Battery management system based on wind-solar complementation | |
| CN206004359U (en) | A kind of lithium battery group is connected long line charging device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |