CN107846001A - The super temperature protective device of electronics three-stage excessively stream - Google Patents
The super temperature protective device of electronics three-stage excessively stream Download PDFInfo
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- CN107846001A CN107846001A CN201610835740.6A CN201610835740A CN107846001A CN 107846001 A CN107846001 A CN 107846001A CN 201610835740 A CN201610835740 A CN 201610835740A CN 107846001 A CN107846001 A CN 107846001A
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- 230000001681 protective effect Effects 0.000 title claims abstract description 9
- 230000005611 electricity Effects 0.000 claims description 8
- 230000003321 amplification Effects 0.000 claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 6
- 101100100146 Candida albicans NTC1 gene Proteins 0.000 claims description 5
- 230000004224 protection Effects 0.000 abstract description 22
- 238000000034 method Methods 0.000 abstract description 3
- 230000001934 delay Effects 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 7
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- 238000007599 discharging Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/18—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteries; for accumulators
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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
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- H02J7/0091—
-
- 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
- H02J7/00304—Overcurrent protection
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Abstract
A kind of super temperature protective device of electronics three-stage excessively stream to different voltage class battery second protections.By constantly detecting electric current of the battery in charge and discharge process; three sections of three kinds of time delays are divided into according to size of current; amplify by the comparison to feedback signal to control the guard mode of battery; Simultaneous Monitoring battery temperature; protect battery in charge and discharge process from overcurrent, short circuit and the infringement of overtemperature degree; the battery caused by battery from overcurrent, short circuit are with overtemperature degree is avoided to scrap and explode; not only realize that battery recovers the normal function of battery by charging again after entering protection, while ensure the safe to use of battery.
Description
Technical field
The present invention relates to a kind of safeties to different voltage class battery second protections, especially battery charging and discharging mistake
From overcurrent, short circuit and the infringement of overtemperature degree in journey, realize battery to enter after protection and recovering battery just by charging again
The Chang Gongneng super temperature protective device of electronics three-stage excessively stream.
Background technology
At present, it is known be applied to mobile phone, tablet personal computer, cells in notebook computer second protection scheme have four kinds, PTC,
FUSE (three end fuses), BREAKER (breaker), protection IC and MOSFET.PTC has a wide range of application, and price is low, but it is protected
Actuation time is slow, influenced by ambient temperature big, unstable, only has overcurrent protection function；FUSE (three end fuses) belongs to one
Secondary property protection device, its need of work is big with respect to space-consuming outside with protection IC and peripheral components cooperating, is melted after protection
It is disconnected, recover the job very difficult of battery；BREAKER (breaker) is necessarily mounted on battery, and it is mechanical contact, vibrated
After hit can occur, stability is poor, influenced by ambient temperature also big；It is the second protection being molded in recent years to protect IC and MOSFET
Technology, realize that defencive function matches somebody with somebody device outside needing, bigger with respect to space-consuming, relative price is also high.It currently there are no a
Function is complete, small volume, is adapted to the second protection of different voltage class to integrate IC devices.
The content of the invention
In order to overcome existing different voltage class battery second protection actuation times slow, influenced by ambient temperature big, stably
Property it is poor, overcurrent protection function is few, to battery protection inconvenience maintenance, protection after recover battery job very difficult, it is vibrated after
Hit, component number can occur more and the bigger deficiency of relative space-consuming, the present invention provide a kind of electronics three-stage mistake
The super temperature protective device of stream, the super temperature protective device of electronics three-stage excessively stream can not only be applied to mobile phone, tablet personal computer, notes
The second protection of this computer battery, and integrated small volume, complete overcurrent, short-circuit and super temperature protection function, protection
After can recover the normal defencive function of battery by charging again.
The technical solution adopted for the present invention to solve the technical problems is：In the protection circuit, electric current flows to from terminal IN1
Terminal IN2 claims forward current, and electric current flows to terminal IN1 from terminal IN2 and claims reverse current, by the 2 of comparison amplifier IC2-1,3 pin
Compare one section of primary overload current of forward direction of detection, comparison amplifier IC3-1 2,3 pin compare one section of detection reversely primary overload electricity
Stream, comparison amplifier IC2-2 5,6 pin compare two sections of advanced overload currents of forward direction of detection, comparison amplifier IC3-2 5,6 pin
Comparing two sections of reverse advanced overload currents of detection, comparison amplifier IC2-3 9,10 pin compare three sections of positive short circuit currents of detection,
Comparison amplifier IC3-3 9,10 pin compare three sections of reverse short circuit currents of detection；When detecting primary overload electricity forward or backwards
Stream, comparison amplifier IC2-1 or the upset of comparison amplifier IC3-1 circuits, comparison amplifier IC2-1 or comparison amplifier IC3-1
1 pin output high potential, release binary counter IC1 through triode V9, V2 and V1 and reset, binary counter IC1 starts
Timing, then timing output loop is connected with V4 through triode V7, timing is arrived, by triode V25 and V24 or triode V19 and V18
MOSFET pipes Q2 or Q1 G electrode potentials are drawn high in conducting, disconnect current supply circuit；When detecting advanced overload current forward or backwards,
The 7 of comparison amplifier IC2-2 or the upset of comparison amplifier IC3-2 circuits, comparison amplifier IC2-2 or comparison amplifier IC3-2
Pin exports high potential, and releasing binary counter IC1 through triode V10, V2 and V1 resets, and binary counter IC1 starts to count
When, then timing output loop is connected with V5 through triode V8, timing is arrived, and is led by triode V25 and V24 or triode V19 and V18
The logical G electrode potentials for drawing high MOSFET pipes Q2 or Q1, disconnect current supply circuit；When detecting short circuit current forward or backwards, compare and put
Big device IC2-3 or comparison amplifier IC3-3 circuits upset, comparison amplifier IC2-3 or comparison amplifier IC3-3 8 pin output
High potential, release binary counter IC1 through triode V12, V2 and V1 and reset, binary counter IC1 starts timing, then passes through
Triode V11 connects timing output loop with V6, and timing is arrived, and is turned on and drawn high with V18 with V24 or triode V19 by triode V25
MOSFET pipes Q2 or Q1 G electrode potentials, disconnect current supply circuit.Comparison amplifier IC2-4 phase judgments, forward current, compare and put
Big device IC2-4 14 pin output high potential, triode V13, V17, V21 turn on V20, make triode V18 be voltage across poles
It is zero, ensures that MOSFET pipes Q1 is in the conduction state all the time, MOSFET pipes Q2 is controlled during forward current；Reverse current, compare and put
Big device IC2-4 14 pin output low potential, triode V13 cut-offs, triode V16, V23 turn on V22, make triode V24's
Be voltage across poles is zero, ensures that MOSFET pipes Q2 is in the conduction state all the time, and MOSFET pipes Q1 is controlled during reverse current.Compare and put
Big device IC3-4 12,13 pin current potentials compare detection, and when temperature raises, thermistor NTC resistances reduce, comparison amplifier IC3-4
Generation overturns 14 pin output high potential, and triode V25 turns on the G electrode potentials for drawing high MOSFET pipes Q2 with V24 during forward current,
MOSFET pipes Q2 ends, and disconnects current supply circuit；During reverse current triode V19 turned on V18 draw high MOSFET pipes Q1 G it is extremely electric
Position, MOSFET pipes Q1 cut-offs, disconnects current supply circuit.The different protections of setting are adjusted through connection terminal T1, T2 or T3 to terminal COM
Temperature.Through connection terminal IL1, IL2, IL3, IL4 and IL5 the protective current of setting is adjusted to terminal IL0.Terminal FUS is used for
External control, when terminal FUS is in low potential, triode V15 conductings, triode V25 turns on V24 during forward current draws high MOSFET
Pipe Q2 G electrode potentials, MOSFET pipes Q2 cut-offs；Triode V19 turns on the G poles for drawing high MOSFET pipes Q1 with V18 during reverse current
Current potential, MOSFET pipes Q1 cut-offs, disconnects current supply circuit.
The invention has the advantages that protect battery in charge and discharge process from overcurrent, short circuit and the damage of overtemperature degree
Evil, avoid the battery caused by battery from overcurrent, short circuit are with overtemperature degree from scrapping and explode, not only realize that battery leads to after entering protection
Cross charging again and recover the normal function of battery, while ensure the safe to use of battery.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Accompanying drawing is the circuit theory diagrams of the present invention
Accompanying drawing：IN1, IN2, FUS, T1~T3, COM, VSS, IL0~IL5. terminals, R1~R58. resistance, RP1~RP9.
Adjustable resistance, NTC1~NTC3. thermistors, C1, C2. electric capacity, D1~D11. diodes, ZD1~ZD3. voltage-regulator diodes, V1
~V25. triodes, Q1, Q2.MOSFET pipe, IC1. binary counters, IC2-1~IC2-4, IC3-1~IC3-4. are relatively put
Big device.
Embodiment
In figure, terminal IN1, MOSFET pipe Q1 D poles, the pin of adjustable resistance RP2 fixing ends 1 are connected with resistance R28 one end,
MOSFET pipes Q1 S poles, diode D1 positive poles, voltage-regulator diode ZD2 negative poles, triode V18 e poles, resistance R34 one end, three
Pole pipe V20 e poles, resistance R37 one end, resistance R38 one end, resistance R39 one end, diode D8 negative poles, resistance R42 one end, electricity
Hinder R43 one end, resistance R44 one end, triode V22 e poles, resistance R49 one end, triode V24 e poles, voltage-regulator diode ZD3
Negative pole is extremely connected with MOSFET pipes Q2 S, and diode D1 negative poles are connected with resistance R1 one end, the resistance R1 other ends, compares amplification
Device IC2-4 4 pin, triode V14 e poles, triode V16 e poles, triode V17 e poles, the 4 of comparison amplifier IC3-1
Pin, resistance R26 one end, the pin of adjustable resistance RP3 fixing ends 1, voltage-regulator diode ZD1 negative poles, triode V1 e poles, triode V2
E poles, binary counter IC1 16 pin, electric capacity C2 one end, resistance R14 one end, resistance R18 one end and triode V15 e
Extremely it is connected, adjustable resistance RP2 the is adjustable pin of end 2, diode D2 negative poles are connected with comparison amplifier IC2-4 12 pin, compare amplification
The device IC2-4 13 pin pin of end 2 adjustable with adjustable resistance RP1 is connected, comparison amplifier IC2-4 14 pin, diode D2 positive poles with
Resistance R2 one end is connected, and the resistance R2 other ends are extremely connected with triode V13 b, triode V13 c poles, resistance R3 one end and electricity
Resistance R4 one end is connected, and the resistance R3 other ends are extremely connected with triode V17 b, triode V17 c poles and resistance R33 one end phase
Even, the resistance R33 other ends are extremely connected with triode V21 b, and triode V21 c poles are connected with resistance R36 one end, resistance R36
The other end is extremely connected with triode V20 b, triode V20 c poles, the resistance R34 other end, resistance R35 one end and triode
V18 b is extremely connected, triode V18 c poles, MOSFET pipes Q1 G poles, voltage-regulator diode ZD2 positive poles and resistance R30 one end phase
Even, the resistance R4 other ends are extremely connected with triode V14 b, triode V14 c poles, triode V16 b poles and resistance R5 one end
It is connected, triode V16 c poles are connected with resistance R48 one end, and the resistance R48 other ends are extremely connected with triode V23 b, triode
V23 c poles are connected with resistance R47 one end, and the resistance R47 other ends are extremely connected with triode V22 b, triode V22 c poles, electricity
The resistance R49 other ends, resistance R50 one end are extremely connected with triode V24 b, triode V24 c poles, MOSFET pipes Q2 G poles, surely
Pressure diode ZD3 positive poles are connected with resistance R51 one end, triode V1 c poles, binary counter IC1 12 pin and resistance R6
One end is connected, and triode V1 b poles, triode V2 c poles are connected with resistance R7 one end, binary counter IC1 11 pin with
Resistance R8 one end is connected, and the resistance R8 other ends, resistance R9 one end, electric capacity C1 one end are extremely connected with triode V3 c, triode V3
B poles be connected with resistance R10 one end, the resistance R10 other ends, triode V4 c poles, triode V5 c poles, triode V6 c
Pole is connected with diode D3 positive poles, and the resistance R9 other ends are connected with binary counter IC1 10 pin, binary counter IC1
9 pin be connected with the electric capacity C1 other ends, binary counter IC1 3 pin are extremely connected with triode V4 e, triode V4 b poles
It is connected with resistance R11 one end, the resistance R11 other ends are extremely connected with triode V7 c, triode V7 b poles and resistance R21 one end
It is connected, binary counter IC1 6 pin are extremely connected with triode V5 e, and triode V5 b poles are connected with resistance R12 one end,
The resistance R12 other ends are extremely connected with triode V8 c, and triode V8 b poles are connected with resistance R23 one end, binary counter
IC1 7 pin are extremely connected with triode V6 e, and triode V6 b poles are connected with resistance R13 one end, the resistance R13 other ends and three
Pole pipe V11 c is extremely connected, and triode V11 b poles are connected with resistance R25 one end, triode V2 b poles, the resistance R14 other ends,
Resistance R15 one end, resistance R16 one end are connected with resistance R17 one end, and the resistance R15 other ends are extremely connected with triode V9 c, and three
Pole pipe V9 b poles are connected with resistance R20 one end, and the resistance R16 other ends are extremely connected with triode V10 c, triode V10 b poles
It is connected with resistance R22 one end, the resistance R17 other ends are extremely connected with triode V12 c, triode V12 b poles and resistance R24 mono-
End is connected, and the resistance R18 other ends, triode V15 b poles are connected with resistance R19 one end, the resistance R19 other ends and terminal FUS phases
Even, the resistance R20 other ends, diode D4 negative poles, the resistance R21 other ends are connected with diode D9 negative poles, the resistance R22 other ends,
Diode D5 negative poles, the resistance R23 other ends are connected with diode D10 negative poles, the resistance R24 other ends, diode D6 negative poles, resistance
The R25 other ends are connected with diode D11 negative poles, and diode D4 positive poles are connected with comparison amplifier IC3-1 1 pin, compare amplification
Device IC3-1 2 pin, the resistance R28 other ends, comparison amplifier IC3-2 6 pin, comparison amplifier IC3-3 9 pin and resistance R29
One end is connected, and the comparison amplifier IC3-1 3 pin pin of end 2 adjustable with adjustable resistance RP4 is connected, and diode D5 positive poles are put compared with
Big device IC3-2 7 pin are connected, and the comparison amplifier IC3-2 5 pin pin of end 2 adjustable with adjustable resistance RP5 is connected, and diode D6 is just
Pole is connected with comparison amplifier IC3-3 8 pin, and the comparison amplifier IC3-3 10 pin pin of end 2 adjustable with adjustable resistance RP6 is connected,
Diode D9 positive poles are connected with comparison amplifier IC2-1 1 pin, comparison amplifier IC2-1 2 pin, resistance R52 one end, compare
Amplifier IC2-2 6 pin, comparison amplifier IC2-3 9 pin are connected with resistance R58 one end, comparison amplifier IC2-1 3 pin with
Adjustable resistance RP9 is adjustable, and the pin of end 2 is connected, and diode D10 positive poles are connected with comparison amplifier IC2-2 7 pin, comparison amplifier
The IC2-2 5 pin pin of end 2 adjustable with adjustable resistance RP8 is connected, and diode D11 positive poles are connected with comparison amplifier IC2-3 8 pin,
The comparison amplifier IC2-3 10 pin pin of end 2 adjustable with adjustable resistance RP7 is connected, and the resistance R52 other ends, adjustable resistance RP1 are fixed
Hold 1 pin, MOSFET pipes Q2 D poles to be connected with terminal IN2, diode D3 negative poles, triode V15 c poles, diode D7 negative poles,
Resistance R31 one end is connected with resistance R32 one end, and the resistance R31 other ends are extremely connected with triode V19 b, triode V19 c poles
It is connected with the resistance R35 other ends, the resistance R32 other ends are extremely connected with triode V25 b, triode V25 c poles and resistance R50
The other end is connected, and diode D7 positive poles are connected with comparison amplifier IC3-4 14 pin, comparison amplifier IC3-4 12 pin, resistance
The R26 other ends are connected with resistance R27 one end, IC3-4 13 pin, adjustable resistance RP3 the is adjustable pin of end 2, adjustable resistance RP3 fixing ends
3 pin, thermistor NTC1 one end, thermistor NTC2 one end are connected with thermistor NTC3 one end, and thermistor NTC1 is another
End is connected with terminal T1, and the thermistor NTC2 other ends are connected with terminal T2, and the thermistor NTC3 other ends are connected with terminal T3,
The resistance R37 other ends are connected with the pin of adjustable resistance RP4 fixing ends 1, and the pin of adjustable resistance RP4 fixing ends 3, adjustable resistance RP9 are fixed
3 pin are held to be connected with terminal IL0, the resistance R38 other ends are connected with the pin of adjustable resistance RP5 fixing ends 1, adjustable resistance RP5 fixing ends 3
Pin is connected with resistance R40 one end, and the resistance R39 other ends are connected with the pin of adjustable resistance RP6 fixing ends 1, adjustable resistance RP6 fixing ends
3 pin are connected with resistance R41 one end, and the resistance R42 other ends are connected with the pin of adjustable resistance RP7 fixing ends 1, and adjustable resistance RP7 is fixed
3 pin are held to be connected with resistance R45 one end, the resistance R43 other ends are connected with the pin of adjustable resistance RP8 fixing ends 1, and adjustable resistance RP8 consolidates
The pin of fixed end 3 is connected with resistance R46 one end, and the resistance R44 other ends are connected with the pin of adjustable resistance RP9 fixing ends 1, voltage-regulator diode
ZD1 positive poles, the pin of adjustable resistance RP1 fixing ends 3, the pin of adjustable resistance RP2 fixing ends 3, comparison amplifier IC2-4 11 pin, three poles
Pipe V13 e poles, the resistance R5 other ends, the resistance R30 other ends, triode V21 e poles, diode D8 positive poles, triode V23
E poles, the resistance R51 other ends, the resistance R6 other ends, the resistance R7 other ends, triode V3 e poles, the 8 of binary counter IC1
Pin, the electric capacity C2 other ends, triode V7 e poles, triode V8 e poles, triode V9 e poles, triode V10 e poles, three poles
Pipe V11 e poles, triode V12 e poles, comparison amplifier IC3-4 11 pin, the resistance R27 other ends, the resistance R29 other ends,
Triode V19 e poles, terminal COM, the resistance R40 other ends, the resistance R41 other ends, terminal VSS, the resistance R45 other ends, resistance
The R46 other ends, triode V25 e poles, resistance R53 one end, resistance R54 one end, resistance R55 one end, resistance R56 one end, resistance
R57 one end is connected with the resistance R58 other ends, and the resistance R53 other ends are connected with terminal IL1, the resistance R54 other ends and terminal IL2
It is connected, the resistance R55 other ends are connected with terminal IL3, and the resistance R56 other ends are connected with terminal IL4, the resistance R57 other ends and end
Sub- IL5 is connected.
Claims (1)
1. a kind of super temperature protective device of electronics three-stage excessively stream, in protective loop, comparison amplifier IC2-1 or IC3-1 warp
Triode V7, V4 to triode V25, V24 or triode V19, V18 to MOSFET pipes Q2 or Q1, comparison amplifier IC2-2 or
IC3-2 is through triode V8, V5 to triode V25, V24 or triode V19, V18 to MOSFET pipe Q2 or Q1, comparison amplifier
IC2-3 or IC3-3, to MOSFET pipe Q2 or Q1, compares through triode V11, V6 to triode V25, V24 or triode V19, V18
Amplifier IC2-4 blocks triode V18 conductings through triode V13, V17, V21, V20, and triode V16, V23, V22 block three poles
Pipe V24 is turned on, and comparison amplifier IC3-4 is through triode V25, V24 to MOSFET pipes Q2 or through triode V19, V18 to MOSFET
Pipe Q1, it is characterized in that：Terminal IN1, MOSFET pipe Q1 D poles, the pin of adjustable resistance RP2 fixing ends 1 are connected with resistance R28 one end,
MOSFET pipes Q1 S poles, diode D1 positive poles, voltage-regulator diode ZD2 negative poles, triode V18 e poles, resistance R34 one end, three
Pole pipe V20 e poles, resistance R37 one end, resistance R38 one end, resistance R39 one end, diode D8 negative poles, resistance R42 one end, electricity
Hinder R43 one end, resistance R44 one end, triode V22 e poles, resistance R49 one end, triode V24 e poles, voltage-regulator diode ZD3
Negative pole is extremely connected with MOSFET pipes Q2 S, and diode D1 negative poles are connected with resistance R1 one end, the resistance R1 other ends, compares amplification
Device IC2-4 4 pin, triode V14 e poles, triode V16 e poles, triode V17 e poles, the 4 of comparison amplifier IC3-1
Pin, resistance R26 one end, the pin of adjustable resistance RP3 fixing ends 1, voltage-regulator diode ZD1 negative poles, triode V1 e poles, triode V2
E poles, binary counter IC1 16 pin, electric capacity C2 one end, resistance R14 one end, resistance R18 one end and triode V15 e
Extremely it is connected, adjustable resistance RP2 the is adjustable pin of end 2, diode D2 negative poles are connected with comparison amplifier IC2-4 12 pin, compare amplification
The device IC2-4 13 pin pin of end 2 adjustable with adjustable resistance RP1 is connected, comparison amplifier IC2-4 14 pin, diode D2 positive poles with
Resistance R2 one end is connected, and the resistance R2 other ends are extremely connected with triode V13 b, triode V13 c poles, resistance R3 one end and electricity
Resistance R4 one end is connected, and the resistance R3 other ends are extremely connected with triode V17 b, triode V17 c poles and resistance R33 one end phase
Even, the resistance R33 other ends are extremely connected with triode V21 b, and triode V21 c poles are connected with resistance R36 one end, resistance R36
The other end is extremely connected with triode V20 b, triode V20 c poles, the resistance R34 other end, resistance R35 one end and triode
V18 b is extremely connected, triode V18 c poles, MOSFET pipes Q1 G poles, voltage-regulator diode ZD2 positive poles and resistance R30 one end phase
Even, the resistance R4 other ends are extremely connected with triode V14 b, triode V14 c poles, triode V16 b poles and resistance R5 one end
It is connected, triode V16 c poles are connected with resistance R48 one end, and the resistance R48 other ends are extremely connected with triode V23 b, triode
V23 c poles are connected with resistance R47 one end, and the resistance R47 other ends are extremely connected with triode V22 b, triode V22 c poles, electricity
The resistance R49 other ends, resistance R50 one end are extremely connected with triode V24 b, triode V24 c poles, MOSFET pipes Q2 G poles, surely
Pressure diode ZD3 positive poles are connected with resistance R51 one end, triode V1 c poles, binary counter IC1 12 pin and resistance R6
One end is connected, and triode V1 b poles, triode V2 c poles are connected with resistance R7 one end, binary counter IC1 11 pin with
Resistance R8 one end is connected, and the resistance R8 other ends, resistance R9 one end, electric capacity C1 one end are extremely connected with triode V3 c, triode V3
B poles be connected with resistance R10 one end, the resistance R10 other ends, triode V4 c poles, triode V5 c poles, triode V6 c
Pole is connected with diode D3 positive poles, and the resistance R9 other ends are connected with binary counter IC1 10 pin, binary counter IC1
9 pin be connected with the electric capacity C1 other ends, binary counter IC1 3 pin are extremely connected with triode V4 e, triode V4 b poles
It is connected with resistance R11 one end, the resistance R11 other ends are extremely connected with triode V7 c, triode V7 b poles and resistance R21 one end
It is connected, binary counter IC1 6 pin are extremely connected with triode V5 e, and triode V5 b poles are connected with resistance R12 one end,
The resistance R12 other ends are extremely connected with triode V8 c, and triode V8 b poles are connected with resistance R23 one end, binary counter
IC1 7 pin are extremely connected with triode V6 e, and triode V6 b poles are connected with resistance R13 one end, the resistance R13 other ends and three
Pole pipe V11 c is extremely connected, and triode V11 b poles are connected with resistance R25 one end, triode V2 b poles, the resistance R14 other ends,
Resistance R15 one end, resistance R16 one end are connected with resistance R17 one end, and the resistance R15 other ends are extremely connected with triode V9 c, and three
Pole pipe V9 b poles are connected with resistance R20 one end, and the resistance R16 other ends are extremely connected with triode V10 c, triode V10 b poles
It is connected with resistance R22 one end, the resistance R17 other ends are extremely connected with triode V12 c, triode V12 b poles and resistance R24 mono-
End is connected, and the resistance R18 other ends, triode V15 b poles are connected with resistance R19 one end, the resistance R19 other ends and terminal FUS phases
Even, the resistance R20 other ends, diode D4 negative poles, the resistance R21 other ends are connected with diode D9 negative poles, the resistance R22 other ends,
Diode D5 negative poles, the resistance R23 other ends are connected with diode D10 negative poles, the resistance R24 other ends, diode D6 negative poles, resistance
The R25 other ends are connected with diode D11 negative poles, and diode D4 positive poles are connected with comparison amplifier IC3-1 1 pin, compare amplification
Device IC3-1 2 pin, the resistance R28 other ends, comparison amplifier IC3-2 6 pin, comparison amplifier IC3-3 9 pin and resistance R29
One end is connected, and the comparison amplifier IC3-1 3 pin pin of end 2 adjustable with adjustable resistance RP4 is connected, and diode D5 positive poles are put compared with
Big device IC3-2 7 pin are connected, and the comparison amplifier IC3-2 5 pin pin of end 2 adjustable with adjustable resistance RP5 is connected, and diode D6 is just
Pole is connected with comparison amplifier IC3-3 8 pin, and the comparison amplifier IC3-3 10 pin pin of end 2 adjustable with adjustable resistance RP6 is connected,
Diode D9 positive poles are connected with comparison amplifier IC2-1 1 pin, comparison amplifier IC2-1 2 pin, resistance R52 one end, compare
Amplifier IC2-2 6 pin, comparison amplifier IC2-3 9 pin are connected with resistance R58 one end, comparison amplifier IC2-1 3 pin with
Adjustable resistance RP9 is adjustable, and the pin of end 2 is connected, and diode D10 positive poles are connected with comparison amplifier IC2-2 7 pin, comparison amplifier
The IC2-2 5 pin pin of end 2 adjustable with adjustable resistance RP8 is connected, and diode D11 positive poles are connected with comparison amplifier IC2-3 8 pin,
The comparison amplifier IC2-3 10 pin pin of end 2 adjustable with adjustable resistance RP7 is connected, and the resistance R52 other ends, adjustable resistance RP1 are fixed
Hold 1 pin, MOSFET pipes Q2 D poles to be connected with terminal IN2, diode D3 negative poles, triode V15 c poles, diode D7 negative poles,
Resistance R31 one end is connected with resistance R32 one end, and the resistance R31 other ends are extremely connected with triode V19 b, triode V19 c poles
It is connected with the resistance R35 other ends, the resistance R32 other ends are extremely connected with triode V25 b, triode V25 c poles and resistance R50
The other end is connected, and diode D7 positive poles are connected with comparison amplifier IC3-4 14 pin, comparison amplifier IC3-4 12 pin, resistance
The R26 other ends are connected with resistance R27 one end, IC3-4 13 pin, adjustable resistance RP3 the is adjustable pin of end 2, adjustable resistance RP3 fixing ends
3 pin, thermistor NTC1 one end, thermistor NTC2 one end are connected with thermistor NTC3 one end, and thermistor NTC1 is another
End is connected with terminal T1, and the thermistor NTC2 other ends are connected with terminal T2, and the thermistor NTC3 other ends are connected with terminal T3,
The resistance R37 other ends are connected with the pin of adjustable resistance RP4 fixing ends 1, and the pin of adjustable resistance RP4 fixing ends 3, adjustable resistance RP9 are fixed
3 pin are held to be connected with terminal IL0, the resistance R38 other ends are connected with the pin of adjustable resistance RP5 fixing ends 1, adjustable resistance RP5 fixing ends 3
Pin is connected with resistance R40 one end, and the resistance R39 other ends are connected with the pin of adjustable resistance RP6 fixing ends 1, adjustable resistance RP6 fixing ends
3 pin are connected with resistance R41 one end, and the resistance R42 other ends are connected with the pin of adjustable resistance RP7 fixing ends 1, and adjustable resistance RP7 is fixed
3 pin are held to be connected with resistance R45 one end, the resistance R43 other ends are connected with the pin of adjustable resistance RP8 fixing ends 1, and adjustable resistance RP8 consolidates
The pin of fixed end 3 is connected with resistance R46 one end, and the resistance R44 other ends are connected with the pin of adjustable resistance RP9 fixing ends 1, voltage-regulator diode
ZD1 positive poles, the pin of adjustable resistance RP1 fixing ends 3, the pin of adjustable resistance RP2 fixing ends 3, comparison amplifier IC2-4 11 pin, three poles
Pipe V13 e poles, the resistance R5 other ends, the resistance R30 other ends, triode V21 e poles, diode D8 positive poles, triode V23
E poles, the resistance R51 other ends, the resistance R6 other ends, the resistance R7 other ends, triode V3 e poles, the 8 of binary counter IC1
Pin, the electric capacity C2 other ends, triode V7 e poles, triode V8 e poles, triode V9 e poles, triode V10 e poles, three poles
Pipe V11 e poles, triode V12 e poles, comparison amplifier IC3-4 11 pin, the resistance R27 other ends, the resistance R29 other ends,
Triode V19 e poles, terminal COM, the resistance R40 other ends, the resistance R41 other ends, terminal VSS, the resistance R45 other ends, resistance
The R46 other ends, triode V25 e poles, resistance R53 one end, resistance R54 one end, resistance R55 one end, resistance R56 one end, resistance
R57 one end is connected with the resistance R58 other ends, and the resistance R53 other ends are connected with terminal IL1, the resistance R54 other ends and terminal IL2
It is connected, the resistance R55 other ends are connected with terminal IL3, and the resistance R56 other ends are connected with terminal IL4, the resistance R57 other ends and end
Sub- IL5 is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610835740.6A CN107846001B (en) | 2016-09-18 | 2016-09-18 | The super temperature protective device of electronics three-stage overcurrent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610835740.6A CN107846001B (en) | 2016-09-18 | 2016-09-18 | The super temperature protective device of electronics three-stage overcurrent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107846001A true CN107846001A (en) | 2018-03-27 |
| CN107846001B CN107846001B (en) | 2019-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610835740.6A Active CN107846001B (en) | 2016-09-18 | 2016-09-18 | The super temperature protective device of electronics three-stage overcurrent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107846001B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2235670Y (en) * | 1995-05-19 | 1996-09-18 | 周宝林 | Protector of accumulator for charging or discharging |
| CN203387284U (en) * | 2013-07-25 | 2014-01-08 | 湘潭市华宇科技有限公司 | Automatic charging and discharging power source controller |
| CN204205686U (en) * | 2014-12-06 | 2015-03-11 | 黄淮学院 | The DC uninterrupted stabilized voltage power supply of a kind of intrinsic safety type |
| CN204497822U (en) * | 2015-03-26 | 2015-07-22 | 泰州步步喜电子科技有限公司 | A kind of charging circuit |
-
2016
- 2016-09-18 CN CN201610835740.6A patent/CN107846001B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2235670Y (en) * | 1995-05-19 | 1996-09-18 | 周宝林 | Protector of accumulator for charging or discharging |
| CN203387284U (en) * | 2013-07-25 | 2014-01-08 | 湘潭市华宇科技有限公司 | Automatic charging and discharging power source controller |
| CN204205686U (en) * | 2014-12-06 | 2015-03-11 | 黄淮学院 | The DC uninterrupted stabilized voltage power supply of a kind of intrinsic safety type |
| CN204497822U (en) * | 2015-03-26 | 2015-07-22 | 泰州步步喜电子科技有限公司 | A kind of charging circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107846001B (en) | 2019-02-22 |
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