CN106130126A - One overcharges protection type power supply charge system - Google Patents
One overcharges protection type power supply charge system Download PDFInfo
- Publication number
- CN106130126A CN106130126A CN201610619339.9A CN201610619339A CN106130126A CN 106130126 A CN106130126 A CN 106130126A CN 201610619339 A CN201610619339 A CN 201610619339A CN 106130126 A CN106130126 A CN 106130126A
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- pole
- diode
- amplifier
- audion
- resistance
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- 239000000203 mixture Substances 0.000 claims abstract description 13
- 230000005611 electricity Effects 0.000 claims abstract description 11
- 230000000087 stabilizing effect Effects 0.000 claims description 20
- 230000003321 amplification Effects 0.000 claims 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
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- 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
- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
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- 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
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0044—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction specially adapted for holding portable devices containing batteries
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- H02J7/0077—
-
- H02J7/0086—
-
- 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
- H02J7/0049—Detection of fully charged condition
Abstract
The invention discloses one and overcharge protection type power supply charge system; it is characterized in that: main by amplifier P1; amplifier P2; the compositions such as the diode D6 that diode D5, the N pole that P pole is connected with the negative pole of amplifier P1, N pole is connected with the outfan of amplifier P2 outfan with amplifier P1 after resistance R6 is connected, P pole outfan with amplifier P2 after resistance R7 is connected.The present invention can detect the electricity of portable power source accurately, therefore can disconnect switch after portable power source is fully charged timely, stops charging, it is to avoid portable power source overcharges for a long time and damages.The present invention can make the voltage of input keep stable, greatly improves the stability of the present invention.
Description
Technical field
The present invention relates to a kind of power supply charge system, specifically refer to one and overcharge protection type power supply charge system.
Background technology
Along with people's living standard improves constantly, mobile electronic device occurs in the middle of the life of people the most widely.
Mobile electronic device needs after using a period of time to be charged its portable power source, and the process of charging is come by power supply charge system
Complete.Current charging system all had charging protection function, to prevent portable power source from overcharging.But, existing charging system
Accurately the electricity of portable power source cannot be detected, switch, nothing can not be disconnected after portable power source charging complete timely
Method effectively overcharges protection to portable power source.
Summary of the invention
It is an object of the invention to solve existing charging system stability relatively low, it is impossible to effectively power supply is overcharged
The defect of protection, it is provided that one overcharges protection type power supply charge system.
The purpose of the present invention is by following technical proposals reality: one overcharges protection type power supply charge system, mainly by putting
Big device P1, the diode that amplifier P2, P pole is connected with the negative pole of amplifier P1, N pole is connected with the outfan of amplifier P2
D5, N pole outfan with amplifier P1 after resistance R6 is connected, P pole outfan with amplifier P2 after resistance R7 is connected
The diode D6 connect, the electric capacity C6 that positive pole is connected with the negative pole of amplifier P2, negative pole is then connected with the P pole of diode D6,
The resistance R5 being serially connected between the negative pole of amplifier P1 and the negative pole of amplifier P2, the voltage being connected with the negative pole of amplifier P1
Follow circuit, the power circuit being connected with voltage follower circuit, the base stage being connected with N pole and the P pole of diode D6 respectively
Trigger circuit, be arranged on base stage and trigger the relay K in circuit, and the feedback link group being connected with the positive pole of amplifier P1
Become；The positive pole of described amplifier P2 be connected with the positive pole of amplifier P1 while ground connection；Described base stage triggers circuit and voltage
Follow circuit is connected；The normally opened contact K-1 of described relay K is then serially connected between power circuit and feedback link.
Further, described base stage triggers the circuit transmitting by audion VT2, audion VT3, positive pole and audion VT2
The electric capacity C7 that pole is connected, negative pole is connected with the P pole of diode D6 after resistance R9, is serially connected in the emitter stage of audion VT2
And the resistance R10 between the base stage of audion VT3, positive pole is connected with the emitter stage of audion VT3, negative pole is after resistance R11
It is collectively forming electric capacity C8, the N pole of outfan and the colelctor electrode phase of audion VT2 with the outfan of the normally opened triggering K-1 of relay K
Connect, diode D7 that P pole colelctor electrode with audion VT3 after relay K is connected, and the P pole of N pole and diode D7
Be connected, diode D8 that P pole is connected with the colelctor electrode of audion VT3 composition；The base stage of described audion VT2 and diode
The N pole of D6 is connected, its colelctor electrode is then connected with voltage follower circuit.
Described feedback link is connected with power circuit after the normally opened contact K-1 of relay K by P pole, N pole is through resistance R8
The diode D9 composition of ground connection while positive pole with amplifier P1 is connected afterwards.
Described voltage follower circuit is extremely connected with the P of unidirectional thyristor D3 by audion VT1, unidirectional thyristor D3, negative pole
Connect, electric capacity C4, P pole that positive pole is connected with power circuit after resistance R3 is connected with the colelctor electrode of audion VT1, N pole warp
Diode D4, the inductance L being in parallel with diode D4 that after resistance R3, positive pole with electric capacity C4 is connected, one end and audion
The emitter stage of VT1 is connected, the resistance R4 of other end ground connection, and positive pole is connected with the control end of unidirectional thyristor D3, negative
The electric capacity C5 composition that pole then positive pole with amplifier P1 is connected；The N pole ground connection of described unidirectional thyristor D3；Described diode D4
N pole be connected with the colelctor electrode of audion VT2.
Described power circuit is by the ADJ of transformator T, diode rectifier U1, voltage stabilizing chip U2, P pole and voltage stabilizing chip U2
The diode D1 that pin is connected, N pole cathode output end with diode rectifier U1 after resistance R2 is connected, positive pole and two
While the cathode output end of pole pipe commutator U1 is connected, negative pole then cathode output end with diode rectifier U1 is connected
The electric capacity C2 of ground connection, the electric capacity that positive pole is connected with the VOUT pin of voltage stabilizing chip U2, negative pole is connected with the N pole of diode D1
The diode D2 that C3, N pole is connected with the positive pole of electric capacity C3, P pole is connected with the negative pole of electric capacity C3, positive pole and voltage stabilizing chip U2
VIN pin is connected, negative pole is connected with the VOUT pin of voltage stabilizing chip U2 electric capacity C1, and be in parallel with electric capacity C1
Resistance R1 forms；The input of described diode rectifier U1 respectively with the Same Name of Ends of the secondary inductance coil of transformator T and non-
Same Name of Ends is connected；The tap of the secondary inductance coil of described transformator T is then connected with the N pole of diode D4；Described voltage stabilizing
The VIN pin of chip U2 is connected with the cathode output end of diode rectifier U1, its VOUT pin then normally opened through relay K
After the K-1 of contact, the P pole with diode D9 is connected.
Described voltage stabilizing chip U2 is the integrated chip of LM317T.
The present invention compared with prior art has the following advantages and beneficial effect:
(1) present invention can detect the electricity of portable power source accurately, therefore can be timely after portable power source is fully charged
Disconnection switch, stop charging, it is to avoid portable power source overcharges for a long time and damages.
(2) present invention can make the voltage of input keep stable, greatly improves the stability of the present invention.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to
This.
Embodiment
As it is shown in figure 1, the present invention is mainly by amplifier P1, amplifier P2, P pole is connected with the negative pole of amplifier P1, N pole
Diode D5, the N pole being connected with the outfan of amplifier P2 outfan with amplifier P1 after resistance R6 is connected, P pole
The diode D6 that outfan with amplifier P2 is connected after resistance R7, positive pole is connected with the negative pole of amplifier P2, negative pole
The electric capacity C6 being then connected with the P pole of diode D6, is serially connected in the electricity between the negative pole of amplifier P1 and the negative pole of amplifier P2
Resistance R5, the voltage follower circuit being connected with the negative pole of amplifier P1, the power circuit being connected with voltage follower circuit, respectively
The base stage being connected with N pole and the P pole of diode D6 triggers circuit, is arranged on base stage and triggers the relay K in circuit, Yi Jiyu
The feedback link composition that the positive pole of amplifier P1 is connected.
The positive pole of described amplifier P2 be connected with the positive pole of amplifier P1 while ground connection.Described base stage trigger circuit with
Voltage follower circuit is connected.The normally opened contact K-1 of described relay K is then serially connected between power circuit and feedback link.
Wherein, described base stage triggers circuit by audion VT2, audion VT3, resistance R9, resistance R10, resistance R11, electricity
Hold C7, electric capacity C8, diode D7, diode D8 and relay K composition.
During connection, the positive pole of electric capacity C7 is connected with the emitter stage of audion VT2, its negative pole after resistance R9 with diode
The P pole of D6 is connected.Resistance R10 is serially connected between the emitter stage of audion VT2 and the base stage of audion VT3.Electric capacity C8 is just
Pole is connected with the emitter stage of audion VT3, and negative pole outfan of normally opened triggering K-1 with relay K after resistance R11 is common
Form outfan, this output termination portable power source.The N pole of diode D7 is connected with the colelctor electrode of audion VT2, and P pole is through continuing
After electrical equipment K, the colelctor electrode with audion VT3 is connected.The N pole of diode D8 is connected with the P pole of diode D7, P pole and three poles
The colelctor electrode of pipe VT3 is connected.The base stage of described audion VT2 is connected with the N pole of diode D6, its colelctor electrode then with voltage
Follow circuit is connected.
Described feedback link is connected with power circuit after the normally opened contact K-1 of relay K by P pole, and N pole is through resistance R8
The diode D9 composition of ground connection while positive pole with amplifier P1 is connected afterwards.
This voltage follower circuit is by audion VT1, unidirectional thyristor D3, resistance R3, resistance R4, electric capacity C4, electric capacity C5, electricity
Sense L and diode D4 composition.
During connection, the negative pole of electric capacity C4 is connected with the P pole of unidirectional thyristor D3, positive pole after resistance R3 with power circuit
It is connected.The P pole of diode D4 is connected with the colelctor electrode of audion VT1, and N pole positive pole with electric capacity C4 after resistance R3 is connected
Connect.Inductance L is in parallel with diode D4.One end of resistance R4 is connected with the emitter stage of audion VT1, other end ground connection.Electricity
The positive pole holding C5 is connected with the control end of unidirectional thyristor D3, and negative pole then positive pole with amplifier P1 is connected.Described unidirectional
The N pole ground connection of IGCT D3.The N pole of described diode D4 is connected with the colelctor electrode of audion VT2.
It addition, power circuit is by transformator T, diode rectifier U1, voltage stabilizing chip U2, resistance R1, resistance R2, electric capacity
C1, electric capacity C2, electric capacity C3, diode D1 and diode D2 form.
During connection, the P pole of diode D1 is connected with the ADJ pin of voltage stabilizing chip U2, N pole after resistance R2 with diode
The cathode output end of commutator U1 is connected.The positive pole of electric capacity C2 is connected with the cathode output end of diode rectifier U1, negative
Pole then cathode output end with diode rectifier U1 be connected while ground connection.The positive pole of electric capacity C3 is with voltage stabilizing chip U2's
VOUT pin is connected, and negative pole is connected with the N pole of diode D1.The N pole of diode D2 is connected with the positive pole of electric capacity C3, P
Pole is connected with the negative pole of electric capacity C3.The positive pole of electric capacity C1 is connected with the VIN pin of voltage stabilizing chip U2, negative pole and voltage stabilizing chip
The VOUT pin of U2 is connected.Resistance R1 is in parallel with electric capacity C1.
The input of described diode rectifier U1 respectively with the Same Name of Ends of the secondary inductance coil of transformator T and non-of the same name
End is connected.The tap of the secondary inductance coil of described transformator T is then connected with the N pole of diode D4.Described voltage stabilizing chip
The VIN pin of U2 is connected with the cathode output end of diode rectifier U1, and its VOUT pin is then through the normally opened contact of relay K
After K-1, the P pole with diode D9 is connected.Same Name of Ends and the non-same polarity of the former limit inductance coil of described transformator T are then formed
The input of the present invention is also connected with civil power.In order to preferably implement the present invention, described voltage stabilizing chip U2 preferentially uses
The integrated chip of LM317T realizes.
When battery electric quantity is low, amplifier P1 and amplifier P2 all exports high level, at this moment audion VT2 and audion
VT3 turns on, and relay K obtains electric its normally opened contact K-1 Guan Bi, and system starts to charge portable power source.When portable power source being detected
After fully charged, its voltage reaches predetermined value, and at this moment amplifier P1 exports high level, amplifier P2 then output low level, audion
The base stage of VT2 is then clamped on low level by diode D6, and now, audion VT2 and audion VT3 is turned off, relay K
Dead electricity its normally opened contact K-1 then backs off, and stops charging portable power source, it is to avoid portable power source damages because overcharging.
As it has been described above, just can well realize the present invention.
Claims (6)
1. one kind overcharges protection type power supply charge system, it is characterised in that: main by amplifier P1, amplifier P2, P pole and amplification
Diode D5, the N pole that the negative pole of device P1 is connected, N pole is connected with the outfan of amplifier P2 after resistance R6 with amplifier
The diode D6 that the outfan of P1 is connected, P pole outfan with amplifier P2 after resistance R7 is connected, positive pole and amplifier
The electric capacity C6 that the negative pole of P2 is connected, negative pole is then connected with the P pole of diode D6, is serially connected in negative pole and the amplification of amplifier P1
Resistance R5 between the negative pole of device P2, the voltage follower circuit being connected with the negative pole of amplifier P1, with voltage follower circuit phase
The power circuit connected, the base stage being connected with N pole and the P pole of diode D6 respectively triggers circuit, is arranged on base stage and triggers electricity
Relay K in road, and the feedback link composition being connected with the positive pole of amplifier P1；The positive pole of described amplifier P2 with put
Ground connection while the positive pole of device P1 is connected greatly；Described base stage triggers circuit and is connected with voltage follower circuit；Described relay K
Normally opened contact K-1 be then serially connected between power circuit and feedback link.
One the most according to claim 1 overcharges protection type power supply charge system, it is characterised in that: described base stage triggers electricity
Route audion VT2, audion VT3, positive pole is connected with the emitter stage of audion VT2, negative pole after resistance R9 with diode
The electric capacity C7 that the P pole of D6 is connected, the resistance R10 being serially connected between the emitter stage of audion VT2 and the base stage of audion VT3,
Positive pole is connected with the emitter stage of audion VT3, negative pole after resistance R11 with the outfan of the normally opened triggering K-1 of relay K altogether
With formed outfan electric capacity C8, N pole be connected with the colelctor electrode of audion VT2, P pole after relay K with audion VT3's
The diode D7 that colelctor electrode is connected, and N pole is connected with the P pole of diode D7, the colelctor electrode phase of P pole and audion VT3
The diode D8 composition connected；The base stage of described audion VT2 is connected with the N pole of diode D6, its colelctor electrode then with voltage
Follow circuit is connected.
One the most according to claim 2 overcharges protection type power supply charge system, it is characterised in that: described feedback link by
P pole is connected with power circuit after the normally opened contact K-1 of relay K, N pole positive pole with amplifier P1 after resistance R8 is connected
The diode D9 composition of ground connection while connecing.
One the most according to claim 3 overcharges protection type power supply charge system, it is characterised in that: described voltage follow electricity
Route audion VT1, unidirectional thyristor D3, negative pole is connected with the P pole of unidirectional thyristor D3, positive pole after resistance R3 with power supply
Electric capacity C4, the P pole that circuit is connected is connected with the colelctor electrode of audion VT1, N pole after resistance R3 with the positive pole phase of electric capacity C4
Diode D4, the inductance L being in parallel with diode D4 connected, one end is connected with the emitter stage of audion VT1, another termination
The resistance R4 on ground, and the control end of positive pole and unidirectional thyristor D3 is connected, negative pole then positive pole with amplifier P1 is connected
Electric capacity C5 composition；The N pole ground connection of described unidirectional thyristor D3；The N pole of described diode D4 and the colelctor electrode phase of audion VT2
Connect.
One the most according to claim 4 overcharges protection type power supply charge system, it is characterised in that: described power circuit by
Transformator T, diode rectifier U1, voltage stabilizing chip U2, P pole is connected with the ADJ pin of voltage stabilizing chip U2, N pole is through resistance R2
The diode D1 that cathode output end with diode rectifier U1 is connected afterwards, positive pole exports with the positive pole of diode rectifier U1
The electric capacity C2 of ground connection while end is connected, negative pole then cathode output end with diode rectifier U1 is connected, positive pole is with steady
Electric capacity C3, the N pole that VOUT pin is connected, negative pole is connected with the N pole of diode D1 of pressure chip U2 and the positive pole of electric capacity C3
Be connected, diode D2 that P pole is connected with the negative pole of electric capacity C3, positive pole is connected with the VIN pin of voltage stabilizing chip U2, negative pole
The electric capacity C1 being connected with the VOUT pin of voltage stabilizing chip U2, and the resistance R1 composition being in parallel with electric capacity C1；Described two poles
The input of pipe commutator U1 is connected with Same Name of Ends and the non-same polarity of the secondary inductance coil of transformator T respectively；Described change
The tap of the secondary inductance coil of depressor T is then connected with the N pole of diode D4；The VIN pin and two of described voltage stabilizing chip U2
The cathode output end of pole pipe commutator U1 is connected, its VOUT pin then after the normally opened contact K-1 of relay K with diode D9
P pole be connected.
One the most according to claim 5 overcharges protection type power supply charge system, it is characterised in that: described voltage stabilizing chip U2
For the integrated chip of LM317T.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610619339.9A CN106130126A (en) | 2016-07-29 | 2016-07-29 | One overcharges protection type power supply charge system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610619339.9A CN106130126A (en) | 2016-07-29 | 2016-07-29 | One overcharges protection type power supply charge system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106130126A true CN106130126A (en) | 2016-11-16 |
Family
ID=57255280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610619339.9A Withdrawn CN106130126A (en) | 2016-07-29 | 2016-07-29 | One overcharges protection type power supply charge system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106130126A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069852A (en) * | 2017-03-21 | 2017-08-18 | 苏州合欣美电子科技有限公司 | A kind of battery charging control device |
-
2016
- 2016-07-29 CN CN201610619339.9A patent/CN106130126A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069852A (en) * | 2017-03-21 | 2017-08-18 | 苏州合欣美电子科技有限公司 | A kind of battery charging control device |
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Effective date of registration: 20180822 Address after: 610000 No. 2039 Tianfu Avenue South Section, Tianfu New District, Chengdu, Sichuan Province Applicant after: Chengdu also a partnership of science and Technology (limited partnership) Address before: 610000 No. 8, 3 3, 88 Jiao Zi Road, Chengdu high tech Zone, Sichuan. Applicant before: Chengdu Dynamic Core Technology Co., Ltd. |
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Application publication date: 20161116 |