CN105244934B - A kind of charging circuit of stand-by battery - Google Patents
A kind of charging circuit of stand-by battery Download PDFInfo
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- CN105244934B CN105244934B CN201510457317.2A CN201510457317A CN105244934B CN 105244934 B CN105244934 B CN 105244934B CN 201510457317 A CN201510457317 A CN 201510457317A CN 105244934 B CN105244934 B CN 105244934B
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Abstract
The present invention provides a kind of charging circuit of stand-by battery, including IC19 chips, triode and inductor；The CF ends of IC19 chips electrically connect with first resistor, second resistance and the first electric capacity, and the VCC ends of IC19 chips electrically connect with 3rd resistor and the second electric capacity；Triode electrically connects with the 4th diode, the 8th resistance and the 9th resistance, 4th diode electrically connects with the second diode and the 3rd diode, inductor electrically connects with the 3rd electric capacity and the first diode, first diode electrically connects with the 6th resistance, and the 6th resistance electrically connects with the 7th resistance and the second diode.
Description
Technical field
The present invention relates to nickel-hydrogen battery charging circuit, and in particular to a kind of charging circuit of stand-by battery.
Background technology
The characteristic of its battery in itself is considered when being charged to Ni-MH battery, is carried out according to the characteristics of rechargeable battery
Discharge and recharge；In the past to chargeable（Ni-mh）When battery is charged, battery self character is not analyzed, so as to cause pair
Overcharging and crossing for battery is put, and greatly reduces the life-span of battery；So it is above-mentioned to solve to need a kind of charging circuit of stand-by battery badly
Problem.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to a kind of charging circuit of stand-by battery is provided, the standby electricity
Pond charging circuit can prevent from over-charging of battery well and cross to put, and avoid that battery is caused to damage.
To reach above-mentioned requirements, the present invention adopts the technical scheme that：A kind of charging circuit of stand-by battery is provided, this is standby
Battery charger includes IC19 chips, triode and inductor；The CF ends of IC19 chips and first resistor, second resistance and the
One electric capacity electrically connects, and the VCC ends of IC19 chips electrically connect with 3rd resistor and the second electric capacity；Triode and the 4th diode,
Eight resistance and the electrical connection of the 9th resistance, the 4th diode electrically connect with the second diode and the 3rd diode, inductor and the 3rd
Electric capacity and the electrical connection of the first diode, the first diode electrically connect with the 6th resistance, the 6th resistance and the 7th resistance and the two or two
Pole pipe electrically connects.
The charging circuit of stand-by battery uses AIC1563DC-DC power supply chips, and stable constant voltage is produced by the chip
Charged for battery, charging circuit circuit employs hardware tracking and feedback, and large current charge is realized in the starting stage（Fast charge）, work as electricity
When cell voltage rises to certain value, low current trickle charge is now employed, when filled, charge closing circuit, then entered by fictitious load
Row electric discharge（Slow play）, when being put into certain value, start to carry out trickle charge to battery again, trickle charge be achieved in that, to protect battery not
It is damaged, this circuit has detection, feedback and control function, can realize the charge function to rechargeable battery very well.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding of the present application, the part of the application is formed, at this
Same or analogous part, the schematic description and description of the application are represented using identical reference number in a little accompanying drawings
For explaining the application, the improper restriction to the application is not formed.In the accompanying drawings：
Fig. 1 schematically shows the schematic diagram of the charging circuit of stand-by battery according to the application one embodiment.
Wherein：1st, first resistor；2nd, second resistance；3rd, the first electric capacity；4th, the second electric capacity；5th, IC19 chips；6th, the 3rd electricity
Resistance；7th, the second electric capacity；8th, the 4th resistance；9th, the 5th resistance；10th, inductor；11st, the 3rd electric capacity；12nd, the first diode；13rd,
Six resistance；14th, the 7th resistance；15th, the second diode；16th, the 3rd diode；17th, the 4th diode；18th, the 8th resistance；19、
9th resistance；20th, triode.
Embodiment
To make the purpose, technical scheme and advantage of the application clearer, below in conjunction with drawings and the specific embodiments, to this
Application is described in further detail.
In the following description, the reference to " one embodiment ", " embodiment ", " example ", " example " etc. shows
The embodiment or example so described can include special characteristic, structure, characteristic, property, element or limit, but not each real
Applying example or example all necessarily includes special characteristic, structure, characteristic, property, element or limit.In addition, reuse phrase " according to
One embodiment of the application " is not necessarily referring to identical embodiment although it is possible to refer to identical embodiment.
For the sake of simplicity, eliminate that well known to a person skilled in the art some technical characteristics in describing below.
According to one embodiment of the application, there is provided a kind of charging circuit of stand-by battery, as shown in figure 1, including IC19 cores
Piece 5, triode 20 and inductor 10；The CF ends of IC19 chips 5 are electrically connected with first resistor 1, the electric capacity 3 of second resistance 2 and first
Connect, the VCC ends of IC19 chips 5 electrically connect with the electric capacity 7 of 3rd resistor 6 and second；The electricity of 20 and the 4th diode of triode the 17, the 8th
The resistance 19 of resistance 18 and the 9th electrically connects, and the 4th diode 17 electrically connects with the second diode 15 and the 3rd diode 16, inductor
10 electrically connect with the 3rd electric capacity 11 and the first diode 12, and the first diode 12 electrically connects with the 6th resistance 13, the 6th resistance 13
Electrically connected with the 7th resistance 14 and the second diode 15.
According to one embodiment of the application, FB ends and the 4th resistance 8 of the IC19 chips 5 of the charging circuit of stand-by battery
Electrically connected with the 5th resistance 9.
According to one embodiment of the application, the first resistor 1 of the charging circuit of stand-by battery is also electrically connected with the second electric capacity 4
Connect.
According to one embodiment of the application, the charging circuit of stand-by battery uses AIC1563DC-DC power supply chips, by
The chip produces stable constant voltage and charged for battery.Charging circuit circuit employs hardware tracking and feedback, in the starting stage
Realize large current charge（Fast charge）, when cell voltage rises to certain value, low current trickle charge is now employed, when filled,
Charge closing circuit, then discharged by fictitious load（Slow play）, when being put into certain value, start to carry out trickle charge to battery again, so
Trickle charge is realized, to protect the battery from damaging, this circuit has detection, feedback and control function, and can realize very well pair can
The charge function of rechargeable battery.
According to one embodiment of the application, the IC19 chips 5 of the charging circuit of stand-by battery by voltage carry out decompression and
Voltage stabilizing, make the voltage stabilization to battery output reliable, electric capacity the second electric capacity 4 and the second electric capacity 7 are as the peripheral filter of IC19 chips 5
Circuit, reduce and disturb, the 5th pin of the 4th resistance 8 and the 5th resistance 9 as Voltage Feedback control source to IC19 chips 5, the 3rd
7th pin of the resistance 6 as current detecting to IC19 chips 5, VD13 act on as afterflow, first resistor 1, second resistance 2 and the
One electric capacity 3 is as the peripheral capacitance resistance ware of vibration.Output voltage is carried out by inductor 10, the 3rd electric capacity 11 and the first diode 12
Voltage supplied gives control terminal circuit again for filtering and isolation.The control circuit being made up of Q10 and IC20, to battery charging voltage and electric current
It is controlled, Q10 makes controlled triode, and IC20 is to compare pipe, and R190 is current-limiting resistance（Control maximum charging current）, the two or two
The diode 16 of pole pipe 15 and the 3rd is clamp diode, prevents too high voltages from exporting, and R191, R192 are as sample resistance, control
The size of charging voltage is used.6th resistance 13 and the 7th resistance 14 supply triode as reference voltage.The conduct of 4th diode 17
Isolation is used, and prevents voltage from pouring in down a chimney, the 8th resistance 18 and the 9th resistance 19 as battery charging fictitious load, be after battery is full of gradually
Put.Isolation of the triode 20 as battery and main circuit part, when being not turned in charging process, conducting power supply during power-off.
Embodiment described above only represents the several embodiments of the present invention, and its description is more specific and detailed, but not
It is understood that as limitation of the scope of the invention.It should be pointed out that for the person of ordinary skill of the art, do not departing from
On the premise of present inventive concept, various modifications and improvements can be made, these belong to the scope of the present invention.Therefore this hair
Bright protection domain should be defined by the claim.
Claims (1)
- A kind of 1. charging circuit of stand-by battery, it is characterised in that：Including IC19 chips (5), the first triode (20) and inductor (10)；The IC19 chips (5) are AIC1563 chips；The CF ends of the IC19 chips (5) and one end of first resistor (1), the One end of two resistance (2) and one end connection of the first electric capacity (3), VCC ends and the 3rd resistor (6) of the IC19 chips (5) The other end connection of one end, one end of the second electric capacity (7) and second resistance (2), the other end ground connection of the second electric capacity (7), the The other end of three resistance (6) is connected with the DC ends of the IC19 chips (5) and IS ends and one end of the tenth resistance, the tenth resistance The other end is connected with the positive pole of the 5th diode, one end of the negative pole of the 5th diode and the 4th electric capacity (4), the 6th diode The BOOST ends of negative pole and IC19 chips (5) connect；It is the other end of the other end of first resistor and the 4th electric capacity (4), described One end connection at the DE ends of IC19 chips (5), the negative pole of the 7th diode and inductor (10), the positive pole of the 7th diode connect Ground；The other end of the inductor (10) and one end of the 3rd electric capacity (11), positive pole, the 5th resistance of the first diode (12) (9) one end and the positive pole connection of the 6th diode, the other end ground connection of the 3rd electric capacity；The other end of 5th resistance (9) with One end of 4th resistance (8) and the FB ends connection of IC19 chips (5), the other end ground connection of the 4th resistance (8)；First diode (12) negative pole is connected with one end of the 6th resistance (13) and the colelctor electrode of the second triode, the other end of the 6th resistance (13) One end, the positive pole of the second diode (15) and the base stage of the second triode with the 7th resistance are connected, the second diode (15) Negative pole be connected with the positive pole (16) of the 3rd diode, the emitter stage of the second triode is connected with one end of the 11st resistance；The The other end of seven resistance and the negative electrode of three terminal regulator connect, the plus earth of three terminal regulator, the reference pole of three terminal regulator It is connected with one end of the 13rd resistance and one end of the 12nd resistance, the 13rd resistance other end ground connection；12nd resistance The other end is connected with the negative pole, the other end of the 11st resistance and the positive pole of the 4th diode (17) of the 3rd diode (16)； The negative pole and one end of the 8th resistance, one end of the 9th resistance, the colelctor electrode and base stage of the first triode of 4th diode (17) Connection, the other end of the 8th and the 9th resistance are grounded, and the emitter stage of the first triode is connected with battery；Voltage is depressured and voltage stabilizing by IC19 chips, makes the voltage stabilization to battery output reliable, the 4th electric capacity and the second electricity Appearance is used as IC19 chip periphery filter circuits, reduces interference, the 4th resistance and the 5th resistance arrive as Voltage Feedback control source The FB ends of IC19 chips, 3rd resistor are connected to the IS ends of IC19 chips as current detecting, and the 7th diode plays afterflow, First resistor, second resistance and the first electric capacity as vibrating peripheral capacitance resistance ware, output voltage by inductor, the 3rd electric capacity and First diode is filtered and isolated again voltage supplied and gives control terminal circuit, the control being made up of the second triode and three terminal regulator Circuit processed, is controlled to battery charging voltage and electric current, and the 11st resistance is current-limiting resistance, the second diode and the three or two pole Pipe is clamp diode, prevents too high voltages from exporting, and the 12nd resistance, the 13rd resistance are as sample resistance, control charging electricity The size of pressure, the 6th resistance and the 7th resistance provide reference voltage for the second triode, and the 4th diode is used as isolation, prevented Voltage pours in down a chimney, and the 8th resistance and the 9th resistance are gradually put, the first triode is made as battery charging fictitious load after being full of for battery For the isolation of battery and main circuit part, when being not turned in charging process, conducting power supply during power-off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510457317.2A CN105244934B (en) | 2015-07-30 | 2015-07-30 | A kind of charging circuit of stand-by battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510457317.2A CN105244934B (en) | 2015-07-30 | 2015-07-30 | A kind of charging circuit of stand-by battery |
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| Publication Number | Publication Date |
|---|---|
| CN105244934A CN105244934A (en) | 2016-01-13 |
| CN105244934B true CN105244934B (en) | 2018-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510457317.2A Active CN105244934B (en) | 2015-07-30 | 2015-07-30 | A kind of charging circuit of stand-by battery |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109640218B (en) * | 2018-12-20 | 2021-04-09 | 歌尔科技有限公司 | Power supply method of sound box rotating mechanism and sound box |
| CN109530843B (en) * | 2019-01-21 | 2024-02-06 | 杭州致知科教用品有限公司 | Portable electric soldering iron |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6476585B1 (en) * | 1998-09-03 | 2002-11-05 | Neil S. Simmonds | Battery charger |
| CN200944535Y (en) * | 2006-08-31 | 2007-09-05 | 惠州市蓝微电子有限公司 | Nickel-hydrogen battery charging circuit |
| CN201075723Y (en) * | 2007-08-17 | 2008-06-18 | 深圳市同洲电子股份有限公司 | Linear constant-current and constant-voltage charging apparatus |
| CN201682417U (en) * | 2010-04-29 | 2010-12-22 | 湖南文理学院 | Power supply protection circuit based on super capacitor |
-
2015
- 2015-07-30 CN CN201510457317.2A patent/CN105244934B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6476585B1 (en) * | 1998-09-03 | 2002-11-05 | Neil S. Simmonds | Battery charger |
| CN200944535Y (en) * | 2006-08-31 | 2007-09-05 | 惠州市蓝微电子有限公司 | Nickel-hydrogen battery charging circuit |
| CN201075723Y (en) * | 2007-08-17 | 2008-06-18 | 深圳市同洲电子股份有限公司 | Linear constant-current and constant-voltage charging apparatus |
| CN201682417U (en) * | 2010-04-29 | 2010-12-22 | 湖南文理学院 | Power supply protection circuit based on super capacitor |
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| Publication number | Publication date |
|---|---|
| CN105244934A (en) | 2016-01-13 |
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Address after: 610000 No. 312, Building 3, No. 999 Jincheng Avenue, Chengdu High-tech Zone, Sichuan Province Patentee after: Chengdu Hualida Information Technology Co., Ltd. Address before: No. 5 high tech Zone Gaopeng road in Chengdu city of Sichuan Province in 610041 Patentee before: Chengdu Hualida Electric Power Information Co., Ltd. |
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