CN209170013U - It is a kind of while overcharging the battery protecting circuit for turning lamp - Google Patents
It is a kind of while overcharging the battery protecting circuit for turning lamp Download PDFInfo
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- CN209170013U CN209170013U CN201920029341.XU CN201920029341U CN209170013U CN 209170013 U CN209170013 U CN 209170013U CN 201920029341 U CN201920029341 U CN 201920029341U CN 209170013 U CN209170013 U CN 209170013U
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- 230000005611 electricity Effects 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 claims description 3
- 239000002253 acid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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Abstract
Overcharge the battery protecting circuit for turning lamp simultaneously the utility model discloses one kind, it is characterized by comprising power inputs, battery unit, first triode, second triode and third transistor, the positive terminal and negative pole end of the power input are connected with indicator light circuit, the indicator light circuit includes first resistor, second resistance, first LED light and the second LED light, one end of the first resistor and second resistance is in parallel respectively with the positive terminal of power input, the other end of first resistor and second resistance is connected with the anode of the first LED light and the second LED light respectively, two cathodes of the first LED light and the second LED light are in parallel and connect with the negative pole end of power input.It is disclosed by the utility model while overcharging the battery protecting circuit for turning lamp, overcharge and turn lamp and carry out simultaneously, also turn lamp when overcharging, reach extend discharge time and well using battery and protection battery the characteristics of.
Description
Technical field
It is the utility model relates to protect circuit, in particular to a kind of to overcharge the battery protecting circuit for turning lamp simultaneously.
Background technique
There are moveable small fan product, outdoor camp lamp etc. to need to use battery on the market at present and electric energy is provided, on
State the Selection of Battery lead-acid battery of product, the chargeable lead-acid battery class product in part, be all turn lamp ahead of time than overcharged voltage, such as
It is that 4.4V, overcharged voltage 4.75V are just pulled out at this time then the time user in 4.4V sees that lamp turns that 4V battery, which turns modulating voltage,
Fall power supply line not charge, actual battery is not full of.According to above-mentioned technological deficiency, it is necessary to propose new solution party
Case.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of overcharge simultaneously to turn the battery protecting circuit of lamp, overcharge with
Turn lamp while carrying out, also turn lamp when overcharging, reaches and extend discharge time and utilize battery well and protect battery
Feature.
In order to solve the above-mentioned technical problem, the technical solution of the utility model are as follows:
It is a kind of while overcharging the battery protecting circuit for turning lamp, it is characterised in that: including power input, battery unit, first
Triode, the second triode and third transistor, the positive terminal and negative pole end of the power input are connected with indicator light circuit,
The indicator light circuit includes first resistor, second resistance, the first LED light and the second LED light, the first resistor
And the positive terminal of one end of second resistance and power input is in parallel respectively, the other end of first resistor and second resistance respectively with
The series connection of the anode of first LED light and the second LED light, two yin of the first LED light and the second LED light
It is extremely in parallel and connect with the negative pole end of power input, the anode and cathode of the battery unit respectively with the anode of power input
End and negative pole end connection, are in series with the 4th resistance and the one or three pole between the positive terminal of power input and the anode of battery unit
Pipe, the collector and emitter of first triode are connected with the anode of the 4th resistance and battery unit respectively, the second triode
Emitter connect with the base stage of the first triode, the collector of the second triode is in series with the 5th resistance and the 6th resistance,
One end of six resistance and the negative pole end of power input are in parallel, and the base stage of the base stage of the first triode and the second triode is connected with
7th resistance is parallel with zener diode, zener diode between the base stage of the second triode and the negative pole end of power input
Anode it is in parallel with the negative pole end of power input, the cathode of zener diode is connected with the 7th resistance, the ginseng of zener diode
Examine that pole is in parallel with one end of the 9th resistance, the other end of the 9th resistance is in parallel with the negative pole end of power input, and the 9th resistance is also
It is in series with one end of the 8th resistance, the other end of the 8th resistance is in parallel with the positive terminal of power input, the 8th resistance and the 9th
Tie point between resistance and first capacitor is parallel between the cathode of zener diode, the base stage of third transistor and the 5th electricity
Tie point between resistance and the 6th resistance is in parallel, and the emitter of third transistor and the negative pole end of power input are in parallel, third
Tie point between the collector of triode and second resistance and the second LED indication is in parallel.
Further, first LED light is green light source, and the second LED light is red light source.
Further, first triode and the second triode are NPN type triode, and the second triode is positive-negative-positive
Triode.
Further, the second diode, institute are in series between the cathode of the battery unit and the negative pole end of power input
The cathode of the anode and battery unit of stating the second diode connects, and the cathode of the second diode and the negative pole end of power input connect
It connects.
Further, the both ends of second diode are the output end for power circuit in parallel.
Further, the power input accesses 5V voltage source.
By adopting the above technical scheme, when the brownout at the both ends of battery unit needs to charge, the first LED of foregoing circuit
Indicator light and the second LED light are shown as same color, and the anode and cathode of power input access charge voltage source, electricity
Stream, which flows through 3rd resistor and the 4th resistance, makes the first triode ON charge to battery unit, sets at this when battery unit is fully charged
When voltage, at this point, the 8th resistance and the 9th resistance detection are connected to zener diode, the second triode and third transistor are also led
It is logical to drag down the second LED light, while the first LED light lights and user's battery is reminded to be full of, user can remove connection electricity
The power supply of source input terminal, in addition, resistance value of the battery unit of other different voltages by adjusting the 8th resistance and the 9th resistance
Realize foregoing circuit function, foregoing circuit overcharges and turns lamp and carries out simultaneously, also turns lamp when overcharging, when reaching extension electric discharge
Between and well using battery and protection battery the characteristics of.
Detailed description of the invention
Fig. 1 is the circuit diagram of the utility model.
Specific embodiment
Specific embodiment of the present utility model is described further with reference to the accompanying drawing.It should be noted that
The explanation of these embodiments is used to help to understand the utility model, but does not constitute the restriction to the utility model.This
Outside, technical characteristic involved in the various embodiments of the present invention described below is as long as they do not conflict with each other
It can be combined with each other.
As shown in Figure 1, overcharging the battery protecting circuit for turning lamp, including power input simultaneously the utility model discloses one kind
End 1, battery unit BAT, the first triode Q1, the second triode Q2 and third transistor Q3, the positive terminal of power input 1 and negative
It is extremely connected with indicator light circuit 2, indicator light circuit 2 includes first resistor R1, second resistance R2, the first LED light LED1
And second LED light LED2, first resistor R1 and second resistance R2 one end and power input 1 positive terminal respectively simultaneously
Connection, the other end of first resistor R1 and second resistance R2 respectively with the first LED light LED1 and the second LED light LED2
Anode series connection, two cathodes of the first LED light LED1 and the second LED light LED2 it is in parallel and with power input 1
Negative pole end series connection, the anode and cathode of battery unit BAT connect with the positive terminal of power input 1 and negative pole end respectively, power supply
The 4th resistance R4 and the first triode Q1, the first triode are in series between the positive terminal of input terminal 1 and the anode of battery unit BAT
The collector and emitter of Q1 is connected with the anode of the 4th resistance R4 and battery unit BAT respectively, the emitter of the second triode Q2
It being connect with the base stage of the first triode Q1, the collector of the second triode Q2 is in series with the 5th resistance R5 and the 6th resistance R6, the
One end of six resistance R6 is in parallel with the negative pole end of power input 1, the base of the base stage of the first triode Q1 and the second triode Q2
Pole is connected with the 7th resistance R7, and two pole of pressure stabilizing is parallel between the base stage of the second triode Q2 and the negative pole end of power input 1
The anode of pipe U1, zener diode U1 are in parallel with the negative pole end of power input 1, the cathode of zener diode U1 and the 7th resistance
R7 series connection, the reference pole of zener diode U1 is in parallel with one end of the 9th resistance R9, and the other end and power supply of the 9th resistance R9 is defeated
The negative pole end for entering end 1 is in parallel, and the 9th resistance R9 is also in series with one end of the 8th resistance R8, the other end and power supply of the 8th resistance R8
The positive terminal of input terminal 1 is in parallel, the cathode of tie point and zener diode U1 between the 8th resistance R8 and the 9th resistance R9 it
Between be parallel with first capacitor C1, the tie point between the base stage of third transistor Q3 and the 5th resistance R5 and the 6th resistance R6 is simultaneously
Connection, the emitter of third transistor Q3 is in parallel with the negative pole end of power input 1, the collector of third transistor Q3 and the second electricity
The tie point hindered between R2 and the second LED light LED2 instruction is in parallel.When the brownout needs at the both ends of battery unit BAT fill
When electric, it is for example orange that the first LED light LED1 and the second LED light LED2 of foregoing circuit, which are shown as same color,
Yellow, the anode and cathode of power input 1 access charge voltage source, and electric current, which flows through 3rd resistor and the 4th resistance R4, makes first
Triode Q1 is connected to charge to battery unit BAT, when battery unit BAT is fully charged at this when setting voltage, at this point, the 8th resistance
R8 and the 9th resistance R9 detects that zener diode U1 is connected, and the second triode Q2 and third transistor Q3 are also switched on and drag down second
LED light LED2, while the first LED light LED1 is lighted and user's battery is reminded to be full of, user can remove connection power supply
The power supply of input terminal 1, in addition, resistance of the battery unit BAT of other different voltages by adjusting the 8th resistance R8 and the 9th resistance R9
Foregoing circuit function can be achieved in value, and foregoing circuit overcharges and turns lamp and carry out simultaneously, also turns lamp when overcharging, reach extension
Discharge time and good the characteristics of utilizing battery and protection battery.
In addition, the first LED light LED1 is green light source, the second LED light LED2 is red light source, is distinguished respectively
The light source state of battery circuit different conditions.First triode Q1 and the second triode Q2 is NPN type triode, the two or three pole
Pipe Q2 is PNP type triode.The second diode D2 is in series between the cathode of battery unit BAT and the negative pole end of power input 1,
The anode of second diode D2 is connect with the cathode of battery unit BAT, the cathode of the second diode D2 and the cathode of power input 1
End connection, reaches good voltage regulation result.The both ends of second diode D2 are the output end 3 for power circuit in parallel, are used
The power demand of most of electrical appliances.Power input 1 accesses 5V voltage source, for the voltage input levels of safety.
The embodiments of the present invention is explained in detail in conjunction with attached drawing above, but the utility model is not limited to be retouched
The embodiment stated.For a person skilled in the art, right in the case where not departing from the utility model principle and spirit
These embodiments carry out a variety of change, modification, replacement and modification, still fall in the protection scope of the utility model.
Claims (6)
1. a kind of overcharge the battery protecting circuit for turning lamp simultaneously, it is characterised in that: including power input, battery unit, the one or three
Pole pipe, the second triode and third transistor, the positive terminal and negative pole end of the power input are connected with indicator light circuit, institute
Stating indicator light circuit includes first resistor, second resistance, the first LED light and the second LED light, the first resistor and
The positive terminal of one end of second resistance and power input is in parallel respectively, and the other end of first resistor and second resistance is respectively with the
Two cathodes of the series connection of the anode of one LED light and the second LED light, the first LED light and the second LED light are simultaneously
Join simultaneously connect with the negative pole end of power input, the anode and cathode of the battery unit respectively with the positive terminal of power input and
Negative pole end connection, is in series with the 4th resistance and the first triode, institute between the positive terminal of power input and the anode of battery unit
The collector and emitter for stating the first triode are connected with the anode of the 4th resistance and battery unit respectively, the transmitting of the second triode
Pole is connect with the base stage of the first triode, and the collector of the second triode is in series with the 5th resistance and the 6th resistance, the 6th resistance
One end it is in parallel with the negative pole end of power input, the base stage of the base stage of the first triode and the second triode be connected with the 7th electricity
Resistance, is parallel with zener diode, the anode of zener diode between the base stage of the second triode and the negative pole end of power input
In parallel with the negative pole end of power input, the cathode of zener diode is connected with the 7th resistance, the reference pole of zener diode with
One end of 9th resistance is in parallel, and the other end of the 9th resistance is in parallel with the negative pole end of power input, and the 9th resistance is also in series with
The other end of one end of the 8th resistance, the 8th resistance is in parallel with the positive terminal of power input, the 8th resistance and the 9th resistance it
Between tie point and zener diode cathode between be parallel with first capacitor, the base stage of third transistor and the 5th resistance and the
Tie point between six resistance is in parallel, and the emitter of third transistor and the negative pole end of power input are in parallel, third transistor
Collector it is in parallel with the tie point between second resistance and the second LED indication.
2. according to claim 1 while overcharging the battery protecting circuit for turning lamp, it is characterised in that: the first LED refers to
Show that lamp is green light source, the second LED light is red light source.
3. according to claim 1 while overcharging the battery protecting circuit for turning lamp, it is characterised in that: first triode
And second triode be NPN type triode, the second triode is PNP type triode.
4. according to claim 1 while overcharging the battery protecting circuit for turning lamp, it is characterised in that: the battery unit it is negative
The second diode, the anode of second diode and the cathode of battery unit are in series between pole and the negative pole end of power input
Connection, the cathode of the second diode and the negative pole end of power input connect.
5. according to claim 4 while overcharging the battery protecting circuit for turning lamp, it is characterised in that: second diode
Both ends be output end for power circuit in parallel.
6. according to claim 1 while overcharging the battery protecting circuit for turning lamp, it is characterised in that: the power input
Access 5V voltage source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920029341.XU CN209170013U (en) | 2019-01-08 | 2019-01-08 | It is a kind of while overcharging the battery protecting circuit for turning lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920029341.XU CN209170013U (en) | 2019-01-08 | 2019-01-08 | It is a kind of while overcharging the battery protecting circuit for turning lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209170013U true CN209170013U (en) | 2019-07-26 |
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ID=67328269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920029341.XU Active CN209170013U (en) | 2019-01-08 | 2019-01-08 | It is a kind of while overcharging the battery protecting circuit for turning lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209170013U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116131628A (en) * | 2023-04-17 | 2023-05-16 | 深圳市力生美半导体股份有限公司 | Switching power supply and lamp turning control system and chip thereof |
-
2019
- 2019-01-08 CN CN201920029341.XU patent/CN209170013U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116131628A (en) * | 2023-04-17 | 2023-05-16 | 深圳市力生美半导体股份有限公司 | Switching power supply and lamp turning control system and chip thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231207 Address after: 529000 Room 203, Floor 2, Building 1, No. 21, Jintong Road, Tangxia Town, Pengjiang District, Jiangmen City, Guangdong Province Patentee after: Jiangmen Xiaosong Intelligent Technology Co.,Ltd. Address before: 529085 301, Floor 3, Building 2, No. 21, Jintong Road, Tangxia Town, Pengjiang District, Jiangmen City, Guangdong Province Patentee before: JIANGMEN PENGJIANG DISTRICT JINYING TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |