CN106356957A - Intelligent charger - Google Patents
Intelligent charger Download PDFInfo
- Publication number
- CN106356957A CN106356957A CN201611061421.0A CN201611061421A CN106356957A CN 106356957 A CN106356957 A CN 106356957A CN 201611061421 A CN201611061421 A CN 201611061421A CN 106356957 A CN106356957 A CN 106356957A
- Authority
- CN
- China
- Prior art keywords
- pin
- circuit
- charging
- state detection
- detection circuit
- 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
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 238000002955 isolation Methods 0.000 claims abstract description 10
- 230000003287 optical effect Effects 0.000 claims abstract description 10
- 230000008878 coupling Effects 0.000 claims abstract description 9
- 238000010168 coupling process Methods 0.000 claims abstract description 9
- 238000005859 coupling reaction Methods 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 10
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910018095 Ni-MH Inorganic materials 0.000 description 1
- 229910018477 Ni—MH Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- H02J7/0077—
-
- H02J7/0091—
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to an intelligent charger, which comprises a charging state detection circuit for detecting a charging state of a rechargeable battery, a voltage conversion circuit and an optical coupling isolation circuit for providing a charging power supply, and a single-chip microcomputer control circuit for controlling on and off of the charging power supply according to the charging state detected by the charging state detection circuit. According to the intelligent charger disclosed by the invention, a charging process is changed, so that maintenance on a battery is implemented, and a service life of the battery is prolonged.
Description
Technical field
The present invention relates to charging field, more particularly to a kind of intelligent charger.
Background technology
Common rechargeable battery includes lithium battery, Ni-MH battery, polymer battery etc..The service life of rechargeable battery
Not only there is substantial connection with single cycle use time with the use habit of user, also closely related with charger.One good
Charger not only can be sufficient by electricity at short notice, but also can carry out overvoltage and temperature is protected by changing charging process
Shield, plays certain maintenance effect, extends the service life of rechargeable battery to battery.However, existing for rechargeable battery
The charger charging process charging is single it is impossible to enough play maintenance effect to battery, leads to the service life phase of rechargeable battery
To shortening.Additionally, the charger of routine is after battery is full of, also continues to charge, be easily caused the lost of life.
Content of the invention
It is an object of the invention to: for existing charger charging process single it is impossible to enough skills that battery is safeguarded
Art problem, proposes a kind of intelligent charger, this invention changes the process of charging, it is achieved thereby that the maintenance to battery, increases
The service life of battery.
The technical solution used in the present invention is as follows:
A kind of intelligent charger, including the charging state detection circuit for detecting rechargeable battery charged state, is used for
The voltage conversion circuit of charge power supply and optical coupling isolation circuit are provided, for according to filling that charging state detection circuit detects
Electricity condition controls the single chip machine controlling circuit of charge power supply break-make.
In such scheme, described charging state detection circuit is connected with described single chip machine controlling circuit to provide chargeable electricity
To single-chip microcomputer, described single chip machine controlling circuit is connected with by controlling optical coupler pond charged state with described optical coupling isolation circuit
The switch motion of part and then realize controlling the break-make of charge power supply, described voltage conversion circuit and optical coupling isolation circuit with described
Charging state detection circuit is connected to be charged to rechargeable battery by special charging chip.
In such scheme, described single chip machine controlling circuit is also associated with an alarm.
In such scheme, described charging state detection circuit includes max1898 special charging chip.
In such scheme, described charging state detection circuit is particularly as follows: the charging shape of described max1898 special charging chip
State pin/inverted device of chr pin is connected with general I/O pins of MCU, and iset pin is connected to by charging current resistance r1
Ground, ct pin is connected to ground by charging interval electric capacity c2, and in pin is connected to 5v power supply, between cs pin and drv pin also
It is connected with pnp audion, drv pin is connected to the base stage of pnp audion, cs pin is connected to the colelctor electrode of pnp audion ,/
Also it is serially connected with light emitting diode d1 and electric capacity c2, gnd pin is connected to ground, batt between the emitter stage of chr pin and pnp audion
It is commonly connected to anode with the base stage of pnp audion, rstrt is connected to ground.
In sum, due to employing technique scheme, the invention has the beneficial effects as follows:
The technical program is not only able to realize the charging to rechargeable battery, and introduces single-chip microcomputer and charging special chip,
And then control charging process, realize overvoltage and temperature protection accordingly, battery is served with certain maintenance effect, it is to avoid fill
The infringement that electric process causes to battery, has certain intelligent function.
Brief description
Fig. 1 is the theory diagram of the present invention；
Fig. 2 is the circuit theory diagrams of charging state detection circuit of the present invention.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, not
For limiting the present invention.
Embodiment 1
A kind of intelligent charger, including the charging state detection circuit for detecting rechargeable battery charged state, is used for
The voltage conversion circuit of charge power supply and optical coupling isolation circuit are provided, for according to filling that charging state detection circuit detects
Electricity condition controls the single chip machine controlling circuit of charge power supply break-make.
Preferably, charging state detection circuit be connected with single chip machine controlling circuit with provide rechargeable battery charged state to
Single-chip microcomputer, single chip machine controlling circuit is connected with optical coupling isolation circuit with switch motion and then the realization by controlling optocoupler
The break-make of charge power supply, voltage conversion circuit and optical coupling isolation circuit is controlled to be connected with charging state detection circuit with by specially
Charged to rechargeable battery with charging chip.
Preferably, single chip machine controlling circuit is also associated with an alarm.
Preferably, charging state detection circuit includes max1898 special charging chip.
Preferably, charging state detection circuit is particularly as follows: the charged state pin/chr of max1898 special charging chip draws
The inverted device of foot is connected with general I/O pins of MCU, and iset pin is connected to ground by charging current resistance r1, and ct pin passes through
Charging interval electric capacity c2 is connected to ground, in pin is connected to 5v power supply, is also associated with pnp tri- pole between cs pin and drv pin
Pipe, drv pin is connected to the base stage of pnp audion, and cs pin is connected to the colelctor electrode of pnp audion ,/chr pin and pnp tri-
Also it is serially connected with light emitting diode d1 and electric capacity c2, gnd pin is connected to ground, batt and pnp audion between the emitter stage of pole pipe
Base stage is commonly connected to anode, and rstrt is connected to ground.
Charging process: preliminary filling: when the temperature of battery and voltage is not in normal condition, give electricity with the 10% of charging quickly stream
Charging in pond, can protect battery, and controls that temperature is normal, voltage returns to more than normal condition 2.5v in this stage.If on rule
In fixed pre-charging time, the voltage of battery returns to more than 2.5v, and battery temperature is normal, then enter next process；If pre-
Fill cell voltage in the time and be still below 2.5v then it is assumed that this battery is not chargeable, the light emitting diode d1 that/chg pin connects dodges
Bright, point out charge fault.Fill soon: after preliminary filling terminates, the voltage of battery and temperature all return to normal condition, now by charging
State chip controls are filled soon to battery.During filling soon, cell voltage is gradually increasing, until it reaches set termination
Voltage.Man Chong: when reaching set final voltage, fill end soon, control charging current to supplement for battery with minimum electric current
Energy.Generally, completely fill the use time that charging process can extend battery 5%-10%.Power-off: after battery is full of,
Max1898 /change of chg pin transmission level, the interruption of triggering single-chip microcomputer, the state that judging charges finishes, now by list
Piece machine will be disconnected by controlling optocoupler, cut the power supply of max1898, pass through alarm equipment alarm simultaneously, remind user
Taking out battery in time, thus ensureing the safety of max1898 chip and battery, being prevented effectively from overvoltage simultaneously, also reduce loss.
These are only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Any modification, equivalent and improvement of being made within principle etc., should be included within the scope of the present invention.
Claims (5)
1. a kind of intelligent charger is it is characterised in that include detecting for the charged state detecting rechargeable battery charged state
Circuit, for providing the voltage conversion circuit of charge power supply and optical coupling isolation circuit, for according to charging state detection circuit
The charged state detecting controls the single chip machine controlling circuit of charge power supply break-make.
2. as claimed in claim 1 a kind of intelligent charger it is characterised in that described charging state detection circuit and described list
Piece machine control circuit is connected to provide rechargeable battery charged state to single-chip microcomputer, described single chip machine controlling circuit and described optocoupler
Close isolation circuit to be connected with by controlling the switch motion of optocoupler and then realizing controlling the break-make of charge power supply, described voltage
Change-over circuit and optical coupling isolation circuit be connected with described charging state detection circuit with by special charging chip to chargeable
Battery charges.
3. as claimed in claim 1 a kind of intelligent charger it is characterised in that described single chip machine controlling circuit is also associated with one
Alarm.
4. as claimed in claim 1 a kind of intelligent charger it is characterised in that described charging state detection circuit includes
Max1898 special charging chip.
5. as claimed in claim 4 a kind of intelligent charger it is characterised in that described charging state detection circuit particularly as follows:
The charged state pin of described max1898 special charging chip/inverted device of chr pin is connected with general I/O pins of MCU,
Iset pin is connected to ground by charging current resistance r1, and ct pin is connected to ground by charging interval electric capacity c2, in pin
It is connected to 5v power supply, between cs pin and drv pin, is also associated with pnp audion, drv pin is connected to the base stage of pnp audion,
Cs pin is connected to the colelctor electrode of pnp audion, is also serially connected with light-emitting diodes between the emitter stage of/chr pin and pnp audion
Pipe d1 and electric capacity c2, gnd pin is connected to ground, and batt is commonly connected to anode with the base stage of pnp audion, and rstrt connects
To ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611061421.0A CN106356957A (en) | 2016-11-28 | 2016-11-28 | Intelligent charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611061421.0A CN106356957A (en) | 2016-11-28 | 2016-11-28 | Intelligent charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106356957A true CN106356957A (en) | 2017-01-25 |
Family
ID=57862879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611061421.0A Pending CN106356957A (en) | 2016-11-28 | 2016-11-28 | Intelligent charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106356957A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106953384A (en) * | 2017-04-26 | 2017-07-14 | 深圳市得盛电子有限公司 | A kind of charger with communication function |
| CN107453426A (en) * | 2017-07-26 | 2017-12-08 | 杨建伟 | A kind of intelligent charger of intelligent terminal |
| CN108448681A (en) * | 2018-04-10 | 2018-08-24 | 广东力科新能源有限公司 | A kind of online method for detecting of the charger of battery management system |
-
2016
- 2016-11-28 CN CN201611061421.0A patent/CN106356957A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106953384A (en) * | 2017-04-26 | 2017-07-14 | 深圳市得盛电子有限公司 | A kind of charger with communication function |
| CN107453426A (en) * | 2017-07-26 | 2017-12-08 | 杨建伟 | A kind of intelligent charger of intelligent terminal |
| CN108448681A (en) * | 2018-04-10 | 2018-08-24 | 广东力科新能源有限公司 | A kind of online method for detecting of the charger of battery management system |
| CN108448681B (en) * | 2018-04-10 | 2021-09-07 | 广东力科新能源有限公司 | Charger online detection method of battery management system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204497772U (en) | A kind of portable power source Apparatus and system of quick electric power storage | |
| CN103117536B (en) | Storage battery protective circuit | |
| CN106356957A (en) | Intelligent charger | |
| CN103427821B (en) | Power management device realizing zero standby current | |
| CN106972577A (en) | A kind of portable power source of quickly-chargeable | |
| CN104810872A (en) | Battery charging circuit and battery charging method | |
| CN206878491U (en) | A kind of charger for mobile phone based on intelligence switching charge mode | |
| CN105006849A (en) | Intelligent switching-off control system of battery charger | |
| CN104836304A (en) | Charging chip of lithium ion battery | |
| CN206323155U (en) | A kind of intelligent battery charger | |
| CN205389127U (en) | Nickel cadmium cell charger | |
| CN108448681A (en) | A kind of online method for detecting of the charger of battery management system | |
| CN203368008U (en) | Solar fan circuit with function of charge and discharge protection | |
| CN104283195A (en) | Storage battery protection circuit preventing overcharge | |
| CN203205846U (en) | Storage battery protection circuit | |
| CN202663167U (en) | Non-polarized battery charger | |
| CN202854555U (en) | Wireless foot switch | |
| CN203205894U (en) | 9V rechargeable battery | |
| CN202034815U (en) | Charging device | |
| CN101741129A (en) | Portable power supply | |
| CN204992688U (en) | Battery charging circuit | |
| CN209562880U (en) | A kind of airport navigation lighting fault equipment based on LORA technology | |
| CN110636673A (en) | Control system for solar street lamp | |
| CN103311989A (en) | Solar fan circuit with function of charge and discharge protection | |
| CN205265320U (en) | Battery charger of safe power saving |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170125 |