CN206060327U - A kind of low-voltage turns emergent charged pool short-circuit protection circuit automatically - Google Patents
A kind of low-voltage turns emergent charged pool short-circuit protection circuit automatically Download PDFInfo
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Abstract
This utility model turns emergent charged pool short-circuit protection circuit automatically there is provided a kind of low-voltage; AC mains supplies end, reduction voltage circuit, filter circuit of pressure-stabilizing, rechargeable battery, lighting circuit and indicator light circuit; emergency driving circuit is provided between the rechargeable battery and the lighting circuit; be additionally provided with the drive circuit of indicator that the low-voltage detection circuit being connected with the AC mains supplies end is connected with the low-voltage detection circuit, be additionally provided be connected with the rechargeable battery full of detection circuit and over-charging of battery and short-circuit protection circuit.Circuit structure design of the present utility model is reasonable; that effectively realizes rechargeable battery overcharges protection and battery short circuit defencive function; the damage of components and parts in circuit can effectively be prevented; the technical deficiency of emergency lighting cannot be changed in solving conventional art in AC low voltages, stability in use is good and strong applicability.
Description
Technical field
This utility model belongs to emergency lighting circuit technical field, more specifically, is to be related to a kind of low-voltage to turn automatically
Emergent charged pool short-circuit protection circuit.
Background technology
Emergency-lighting set is widely used to the area of some AC spread of voltages or power supply instability, and great majority are emergent
Product is all that emergency lighting is provided when AC powers and interrupts suddenly, but some areas are answered to requiring also provide during AC low voltages
Anxious illumination functions, because when low voltage, most conventional luminaire cisco unity malfunction；How this is met specific
Demand, this just to design propose a great challenge.
Utility model content
This utility model be to provide that a kind of stability in use is good and low-voltage of strong applicability to turn automatically emergent charged pool short
Road protection circuit, it is intended to the technical deficiency of emergency lighting cannot be changed in solving conventional art in AC low voltages.
This utility model turns emergent charged pool short-circuit protection circuit automatically there is provided a kind of low-voltage, AC mains supplies end,
Reduction voltage circuit, filter circuit of pressure-stabilizing, rechargeable battery, lighting circuit and indicator light circuit, the AC mains supplies end is through blood pressure lowering
It is connected with lighting circuit after circuit, filter circuit of pressure-stabilizing, the rechargeable battery is connected to AC mains supplies end and lighting circuit
Between, emergency driving circuit is provided between the rechargeable battery and the lighting circuit, is additionally provided with and the AC mains supplies
The drive circuit of indicator that the low-voltage detection circuit that is connected of end is connected with the low-voltage detection circuit, be additionally provided with
The rechargeable battery be connected full of detection circuit and over-charging of battery and short-circuit protection circuit.
It is described to include the 12nd unilateral diode, the 16th resistance, the 4th Zener diode and the tenth full of detection circuit
Nine resistance, the positive pole of the rechargeable battery of the positive pole connection of the 12nd unilateral diode, the 12nd unilateral diode
Negative pole is connected on the negative pole of the 4th Zener diode by the 16th resistance, and the positive pole of the 4th Zener diode is by the
19 resistance are connected to the negative pole of rechargeable battery.
The over-charging of battery and short-circuit protection circuit include the second audion, the 4th resistance, the 9th resistance, the four or three pole
Pipe, the 8th unilateral diode, the 7th unilateral diode, the 6th unilateral diode, the 7th resistance, the tenth resistance, the second voltage stabilizing two
Pole pipe, the 5th audion and the 11st resistance, the emitter stage of second audion are connected to rectifying and wave-filtering by the 4th resistance
The output head anode of circuit, the colelctor electrode of the second audion are connected with the positive pole of rechargeable battery, second audion
Base stage be connected on the colelctor electrode of the 4th audion by the 9th resistance, the grounded emitter line of the 4th audion, institute
The base stage for stating the 4th audion is connected on the colelctor electrode of the 5th audion by the 8th unilateral diode and the 8th unidirectional two pole
The negative pole of pipe is connected with the base stage of the 4th audion, the grounded emitter line of the 5th audion, the 5th audion
Base stage by the 11st resistance eutral grounding line, the colelctor electrode of the 5th audion passes through the tenth resistance and the 7th unilateral diode
It is connected to after series circuit on the colelctor electrode of the second audion, the collection of the positive pole and the second audion of the 6th unilateral diode
Electrode is connected, the negative pole of the 6th unilateral diode be connected to by the 7th resistance it is on the negative pole of the second Zener diode and described
The positive pole of the second Zener diode is connected with the base stage of the 5th audion.
The emergency driving circuit include the 6th audion, the 7th audion, the 9th audion, the 9th unilateral diode,
Tenth unilateral diode, the 12nd resistance, the 13rd resistance, the 4th electric capacity, the 14th resistance, the 17th resistance, the 3rd voltage stabilizing
Diode, the 18th resistance, the 13rd unilateral diode, the 22nd resistance and the 23rd resistance, the 6th audion
Base stage be connected with the positive pole of the tenth unilateral diode, the negative pole and the 9th unilateral diode of the tenth unilateral diode
Negative pole is connected and the positive pole of the 9th unilateral diode is connected with the positive pole of rechargeable battery, the 12nd resistance and institute
State the 9th unilateral diode to be in parallel, the 13rd resistance is connected in the base stage and emitter stage of the 6th audion, the described 6th 3
The emitter stage of pole pipe is connected with the positive pole of lighting circuit, the colelctor electrode and the 13rd unilateral diode of the 6th audion
Positive pole is connected, the negative pole of the 13rd unilateral diode is connected with the negative pole of the 3rd Zener diode, the described 3rd steady
By the 18th resistance eutral grounding line, the colelctor electrode of the 7th audion is connected after the 14th resistance the positive pole of pressure diode
On the negative pole of the 9th unilateral diode, the base stage of the 7th audion is connected to the 3rd voltage stabilizing two after the 17th resistance
On the positive pole of pole pipe, the grounded emitter of the 7th audion, the colelctor electrode of the 9th audion are negative with lighting circuit
Pole is connected, the grounded emitter line of the 9th audion, and the base stage of the 9th audion is after the 22nd resistance
On the colelctor electrode of the 6th audion of connection, the 23rd resistance is connected between the base stage and emitter stage of the 9th audion
And the 4th electric capacity is in parallel with the 23rd resistance.
The low-voltage detection circuit includes the first unilateral diode, the first electric capacity, first resistor, two pole of the first voltage stabilizing
Pipe, the 3rd electric capacity and 3rd resistor, first unilateral diode be connected to the outfan of reduction voltage circuit, the first electric capacity with it is described
The negative pole of the first unilateral diode is connected and is grounded, and the negative pole of first unilateral diode is steady with first by first resistor
The negative pole of pressure diode is connected, and the positive pole of first Zener diode is grounded by 3rd resistor, the 3rd electric capacity and
3rd resistor is in parallel.
The indicator light circuit includes green light indicating circuit and red colored lamp indicating circuit, the drive circuit of indicator bag
Green lamp drive circuit and red lamp drive circuit are included, the green light indicating circuit is the 8th resistance and green light series circuit
And green light ground connection, the red colored lamp indicating circuit is the 5th resistance with red colored lamp series circuit and the 5th resistance is connected to charging
On the positive pole of battery and red colored lamp ground connection, the green lamp drive circuit includes the first audion, the 3rd audion, second electric
Resistance, the 6th resistance, the red lamp drive circuit include the 8th audion, and the emitter stage of first audion is connected to voltage stabilizing
On the positive pole of filter circuit, the colelctor electrode of first audion is connected with the 4th resistance and the 8th resistance, and the described 1st
The colelctor electrode of pole pipe is connected with the base stage of the 3rd audion by second resistance, and the base stage of first audion passes through the 6th
Resistance be connected with the colelctor electrode of the 3rd audion and the 3rd audion grounded emitter, the base of the 3rd audion
Pole is connected on the positive pole of the first Zener diode and the junction point of 3rd resistor, and the base stage of the 8th audion is connected to
On the junction point of the positive pole of four Zener diodes and the 19th resistance, the grounded emitter of the 8th audion, the described 8th
The colelctor electrode of audion is connected on the junction point of the 5th resistance and red colored lamp.
3rd audion, the 4th audion, the 5th audion, the 8th audion, the 7th audion and the 9th 3 pole
Manage as NPN type triode, first audion, the second audion, the 6th audion are PNP type triode.
Beneficial effect is：Circuit structure design of the present utility model rationally, AC power supplies low pressure or disconnect it is peaceful can and
When emergency lighting is carried out by rechargeable battery, and which can effectively realize that the protection that overcharges of rechargeable battery protects work(with battery short circuit
Can, the damage of components and parts in circuit can be effectively prevented, cannot be changed in AC low voltages in solving conventional art emergent
The technical deficiency of illumination, stability in use is good and strong applicability.
Description of the drawings
The electrical block diagram that Fig. 1 is provided for this utility model embodiment.
Specific embodiment
In order that technical problem to be solved in the utility model, technical scheme and beneficial effect become more apparent, with
Lower combination drawings and Examples, are further elaborated to this utility model.It should be appreciated that concrete reality described herein
Example is applied only to explain this utility model, be not used to limit this utility model.
Please also refer to Fig. 1, turn automatically emergent charged pool for a kind of low-voltage that this utility model preferred embodiment is provided
Short-circuit protection circuit, AC mains supplies end 1, reduction voltage circuit 2, filter circuit of pressure-stabilizing 3, rechargeable battery 4, lighting circuit 5 and instruction
Circuit for lamp 6, the AC mains supplies end 1 are connected with lighting circuit 5 after reduction voltage circuit 2, filter circuit of pressure-stabilizing 3, described
Rechargeable battery 4 is connected between AC mains supplies end 1 and lighting circuit 5, the rechargeable battery 4 and the lighting circuit 5 it
Between be provided with emergency driving circuit 7, be additionally provided with the low-voltage detection circuit 8, and described low being connected with the AC mains supplies end 1
The drive circuit of indicator 9 that voltage detecting circuit 8 is connected, be additionally provided be connected with the rechargeable battery 4 full of detection electricity
Road 10 and over-charging of battery and short-circuit protection circuit 11.
It is described to include the 12nd unilateral diode D12, the 16th resistance R16, two pole of the 4th voltage stabilizing full of detection circuit 10
The positive pole of the rechargeable battery 4 of the positive pole connection of pipe Z4 and the 19th resistance R19, the 12nd unilateral diode D12, described the
The negative pole of 12 unilateral diode D12 is connected on the negative pole of the 4th Zener diode Z4 by the 16th resistance R16, and described
The positive pole of four Zener diode Z4 is connected to the negative pole of rechargeable battery 4 by the 19th resistance R19.
The over-charging of battery and short-circuit protection circuit 11 include the second audion Q2, the 4th resistance R4, the 9th resistance R9,
Four audion Q4, the 8th unilateral diode D8, the 7th unilateral diode D7, the 6th unilateral diode D6, the 7th resistance R7, the tenth
Resistance R10, the second Zener diode Z2, the 5th audion Q5 and the 11st resistance R11, the emitter stage of the second audion Q2
The output head anode of current rectifying and wave filtering circuit 3, colelctor electrode and the charging of the second audion Q2 are connected to by the 4th resistance R4
The positive pole of battery 4 is connected, and the base stage of the second audion Q2 is connected to the collection of the 4th audion Q4 by the 9th resistance R9
On electrode, the grounded emitter line of the 4th audion Q4, the base stage of the 4th audion Q4 pass through the 8th unidirectional two pole
Pipe D8 be connected on the colelctor electrode of the 5th audion Q5 and the negative pole and the 4th audion Q4 of the 8th unilateral diode D8 base stage
It is connected, the grounded emitter line of the 5th audion Q5, the base stage of the 5th audion Q5 pass through the 11st resistance R11
Earth lead, the colelctor electrode of the 5th audion Q5 are connected after the tenth resistance R10 with the 7th unilateral diode D7 series circuits
It is connected on the colelctor electrode of the second audion Q2, the positive pole of the 6th unilateral diode D6 and the colelctor electrode phase of the second audion Q2
Connection, the negative pole of the 6th unilateral diode D6 are connected on the negative pole of the second Zener diode Z2 and described by the 7th resistance R7
The positive pole of the second Zener diode Z2 is connected with the base stage of the 5th audion Q5.
The emergency driving circuit 7 includes the 6th audion Q6, the 7th audion Q7, the 9th audion Q9, the 9th unidirectional
Diode D9, the tenth unilateral diode D10, the 12nd resistance R12, the 13rd resistance R13, the 4th electric capacity C4, the 14th resistance
14th, the 17th resistance R17, the 13rd unilateral diode D13, the 3rd Zener diode Z3, the 18th resistance R18, the 22nd
Resistance R22 and the 23rd resistance R23, the base stage of the 6th audion Q6 are connected with the positive pole of the tenth unilateral diode D10
Connect, the negative pole of the tenth unilateral diode D10 is connected with the negative pole of the 9th unilateral diode D9 and the described 9th unidirectional two
The positive pole of pole pipe D9 is connected with the positive pole of rechargeable battery 4, the 12nd resistance R12 and the 9th unilateral diode D9 phases
Parallel connection, the 13rd resistance R13 are connected in the base stage and emitter stage of the 6th audion Q6, the emitter stage of the 6th audion Q6
It is connected with the positive pole of lighting circuit 5, the colelctor electrode of the 6th audion Q6 and the positive pole phase of the 13rd unilateral diode D13
Connection, the negative pole of the 13rd unilateral diode D13 are connected with the negative pole of the 3rd Zener diode Z3, the 3rd voltage stabilizing
The positive pole of diode Z3 passes through the 14th resistance by the 18th resistance R18 earth leads, the colelctor electrode of the 7th audion Q7
It is connected to after 14 on the negative pole of the 9th unilateral diode D9, the base stage of the 7th audion Q7 is connected after the 17th resistance R7
It is connected on the positive pole of the 3rd Zener diode Z3, the grounded emitter of the 7th audion Q7, the 9th audion Q9's
Colelctor electrode is connected with the negative pole of lighting circuit 5, the grounded emitter line of the 9th audion Q9, the 9th audion Q9
Base stage by, on the colelctor electrode of the latter linked 6th audion Q6 of the 22nd resistance R22, the 23rd resistance R23 connects
It is connected between the base stage and emitter stage of the 9th audion Q9 and the 4th electric capacity C4 and the 23rd resistance R23 is in parallel.
The low-voltage detection circuit 8 includes the first unilateral diode D1, the first electric capacity C1, first resistor R1, first steady
Pressure diode Z1, the 3rd electric capacity C3 and 3rd resistor R3, the first unilateral diode D1 be connected to reduction voltage circuit outfan,
First electric capacity C1 is connected and is grounded with the negative pole of the first unilateral diode D1, the negative pole of the first unilateral diode D1
It is connected with the negative pole of the first Zener diode Z1 by first resistor R1, the positive pole of the first Zener diode Z1 is by the
Three resistance R3 are grounded, and the 3rd electric capacity C3 is in parallel with 3rd resistor R3.
The indicator light circuit 6 includes green light indicating circuit 61 and red colored lamp indicating circuit 62, and the display lamp drives
Circuit 9 includes green lamp drive circuit 91 and red lamp drive circuit 92, and the green light indicating circuit 61 is the 8th resistance R8
With green light LED1 series circuit and green light ground connection, the red colored lamp indicating circuit 62 is the 5th resistance R5 and red colored lamp LED2
Series circuit and the 5th resistance R5 are connected on the positive pole of rechargeable battery 4 and red colored lamp LED2 ground connection, and the green light drives electricity
Road 91 includes the first audion Q1, the 3rd audion Q3, second resistance R2, the 6th resistance R6, the red lamp drive circuit 92
Including the 8th audion Q8, the emitter stage of the first audion Q1 is connected on the positive pole of filter circuit of pressure-stabilizing, and described first
The colelctor electrode of audion Q1 is connected with the 4th resistance R4 and the 8th resistance R8, and the colelctor electrode of the first audion Q1 is by the
Two resistance R2 are connected with the base stage of the 3rd audion Q3, and the base stage of the first audion Q1 passes through the 6th resistance R6 and the 3rd
The colelctor electrode of audion Q3 be connected and the 3rd audion Q3 grounded emitter, the base stage of the 3rd audion Q3 connects
It is connected on the positive pole of the first Zener diode Z1 and the junction point of 3rd resistor R3, the base stage of the 8th audion Q8 is connected to
On the junction point of the positive pole and the 19th resistance R19 of the 4th Zener diode Z4, the grounded emitter of the 8th audion Q8,
The colelctor electrode of the 8th audion Q8 is connected on the junction point of the 5th resistance R5 and red colored lamp LED2.
3rd audion, the 4th audion Q4, the 5th audion Q5, the 8th audion Q8, the 7th audion Q7 and
9th audion Q9 is NPN type triode, and the first audion Q1, the second audion Q2, the 6th audion Q6 are positive-negative-positive three
Pole pipe.
Operation principle is summarized as follows：C civil powers pass through diode D2, D3, D4, D5 and electric capacity C2 Jing after transformator TR1 blood pressure lowerings
Rectifying and wave-filtering, provides DC source for circuit, and battery BT1 is charged.When circuit is in normal charging condition, green refers to
Show that lamp LED1 and red led LED2 are in illuminating state.As now diode D9 anode voltages are than D10 anode voltage
Height, so audion Q6 does not have base current and is in cut-off state, thus Q9 is also switched off, and lighting lamp group LED3-LED6 is extinguished,
Now no emergency function.Diode D1, resistance R1, R3 and stabilivolt Z1 constitute low-voltage detection circuit, when AC civil powers are less than
When during setting value or at all no AC civil powers are input into, Z1 is unable to reverse breakdown, and R3 does not have enough electric currents to flow through, and both end voltage is few
In 0.6V, Q3 cut-offs, so as to Q1 is also switched off, charging indicator light LE1 and LED2 extinguish, and 9 anodes of D do not have high level, and Q6 is turned on,
Battery provides enough base currents and voltage by Q6, R22, position Q9, and Q9 conductings, lighting lamp group are lighted, and reach emergency lighting
Function.
D 12, R 16, Z 4, R19 composition that is, has represented battery full of detection circuit when cell voltage reaches setting value
It is full of, Z4 reverse breakdowns, Q8 base stages have enough bias voltages and electric current and protect conducting, so that red led LED2 puts out
Go out, point out battery to have been filled with.Z2 also reverse breakdown, the Q5 conductings when cell voltage continues to rise simultaneously, draws ground, Q4 Q4 base stages
End, and then Q2 is also switched off, charge circuit is not blocked, and reaches charging protection function.After short circuit, D7 anode voltages only have
0.7V or so, audion Q4 do not have enough base bias voltages yet, and Q4 cut-offs, Q2 are also switched off, and similarly cut off charge circuit,
Battery short circuit defencive function is reached, the damage of components and parts in circuit is effectively prevented.
Circuit structure design of the present utility model rationally, in AC power supplies low pressure or disconnects peaceful to be entered by rechargeable battery in time
Row emergency lighting, and which can effectively realize that overcharging for rechargeable battery is protected and battery short circuit defencive function, effectively can prevent
Only in circuit components and parts damage, the technology that cannot change emergency lighting in AC low voltages in solving conventional art is not
Foot, stability in use is good and strong applicability.
Preferred embodiment of the present utility model is the foregoing is only, it is not to limit this utility model, all at this
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in this utility model
Protection domain within.
Claims (7)
1. a kind of low-voltage turns emergent charged pool short-circuit protection circuit, AC mains supplies end, reduction voltage circuit, voltage regulation filtering electricity automatically
Road, rechargeable battery, lighting circuit and indicator light circuit, the AC mains supplies end is after reduction voltage circuit, filter circuit of pressure-stabilizing
It is connected with lighting circuit, the rechargeable battery is connected between AC mains supplies end and lighting circuit, it is characterised in that：Institute
State and between rechargeable battery and the lighting circuit, be provided with emergency driving circuit, be additionally provided with what is be connected with the AC mains supplies end
The drive circuit of indicator that low-voltage detection circuit is connected with the low-voltage detection circuit, is additionally provided with and the electricity that charges
Pond be connected full of detection circuit and over-charging of battery and short-circuit protection circuit.
2. a kind of low-voltage according to claim 1 turns emergent charged pool short-circuit protection circuit automatically, it is characterised in that：Institute
Stating includes the 12nd unilateral diode, the 16th resistance, the 4th Zener diode and the 19th resistance full of detection circuit, described
The positive pole of the rechargeable battery of the positive pole connection of the 12nd unilateral diode, the negative pole of the 12nd unilateral diode pass through the tenth
Six resistance are connected on the negative pole of the 4th Zener diode, and the positive pole of the 4th Zener diode is connected by the 19th resistance
In the negative pole of rechargeable battery.
3. a kind of low-voltage according to claim 2 turns emergent charged pool short-circuit protection circuit automatically, it is characterised in that：Institute
State over-charging of battery and short-circuit protection circuit includes the second audion, the 4th resistance, the 9th resistance, the 4th audion, the 8th unidirectional
Diode, the 7th unilateral diode, the 6th unilateral diode, the 7th resistance, the tenth resistance, the second Zener diode, the five or three
Pole pipe and the 11st resistance, the emitter stage of second audion are connected to the outfan of current rectifying and wave filtering circuit by the 4th resistance
Positive pole, the colelctor electrode of the second audion are connected with the positive pole of rechargeable battery, and the base stage of second audion is by the
Nine resistance are connected on the colelctor electrode of the 4th audion, the grounded emitter line of the 4th audion, the 4th audion
Base stage be connected on the colelctor electrode of the 5th audion by the 8th unilateral diode and the negative pole of the 8th unilateral diode and
The base stage of four audions is connected, the grounded emitter line of the 5th audion, and the base stage of the 5th audion is by the
11 resistance eutral grounding lines, the colelctor electrode of the 5th audion are connected after the tenth resistance with the 7th unilateral diode series circuit
It is connected on the colelctor electrode of the second audion, the positive pole of the 6th unilateral diode is connected with the colelctor electrode of the second audion,
The negative pole of the 6th unilateral diode is connected on the negative pole of the second Zener diode by the 7th resistance and second voltage stabilizing two
The positive pole of pole pipe is connected with the base stage of the 5th audion.
4. a kind of low-voltage according to claim 3 turns emergent charged pool short-circuit protection circuit automatically, it is characterised in that：Institute
State emergency driving circuit include the 6th audion, the 7th audion, the 9th audion, the 9th unilateral diode, the tenth unidirectional two
Pole pipe, the 12nd resistance, the 13rd resistance, the 4th electric capacity, the 14th resistance, the 17th resistance, the 3rd Zener diode, the tenth
Eight resistance, the 13rd unilateral diode, the 22nd resistance and the 23rd resistance, the base stage and the tenth of the 6th audion
The positive pole of unilateral diode is connected, the negative pole of the tenth unilateral diode be connected with the negative pole of the 9th unilateral diode and
The positive pole of the 9th unilateral diode is connected with the positive pole of rechargeable battery, the 12nd resistance and the described 9th unidirectional two
Pole pipe is in parallel, and the 13rd resistance is connected in the base stage and emitter stage of the 6th audion, the emitter stage of the 6th audion
It is connected with the positive pole of lighting circuit, the colelctor electrode of the 6th audion is connected with the positive pole of the 13rd unilateral diode,
The negative pole of the 13rd unilateral diode is connected with the negative pole of the 3rd Zener diode, the 3rd Zener diode just
Pole is connected to the 9th unidirectional two by the 18th resistance eutral grounding line, the colelctor electrode of the 7th audion after the 14th resistance
On the negative pole of pole pipe, the base stage of the 7th audion is connected to the positive pole of the 3rd Zener diode after the 17th resistance
On, the grounded emitter of the 7th audion, the colelctor electrode of the 9th audion are connected with the negative pole of lighting circuit, institute
The grounded emitter line of the 9th audion is stated, the base stage of the 9th audion passes through the 22nd resistance the latter linked 6th 3
On the colelctor electrode of pole pipe, the 23rd resistance is connected between the base stage and emitter stage of the 9th audion and described 4th electric
Appearance is in parallel with the 23rd resistance.
5. a kind of low-voltage according to claim 4 turns emergent charged pool short-circuit protection circuit automatically, it is characterised in that：Institute
Stating low-voltage detection circuit includes the first unilateral diode, the first electric capacity, first resistor, the first Zener diode, the 3rd electric capacity
And 3rd resistor, first unilateral diode is connected to the outfan of reduction voltage circuit, the first electric capacity unidirectional with described first two
The negative pole of pole pipe is connected and is grounded, and the negative pole of first unilateral diode is by first resistor and the first Zener diode
Negative pole is connected, and the positive pole of first Zener diode is by 3rd resistor ground connection, the 3rd electric capacity and 3rd resistor phase
It is in parallel.
6. a kind of low-voltage according to claim 5 turns emergent charged pool short-circuit protection circuit automatically, it is characterised in that：Institute
Stating indicator light circuit includes green light indicating circuit and red colored lamp indicating circuit, and the drive circuit of indicator includes that green light is driven
Galvanic electricity road and red lamp drive circuit, the green light indicating circuit is for the 8th resistance is with green light series circuit and green light connects
Ground, the red colored lamp indicating circuit is the 5th resistance with red colored lamp series circuit and the 5th resistance is connected to the positive pole of rechargeable battery
Upper and red colored lamp ground connection, the green lamp drive circuit include the first audion, the 3rd audion, second resistance, the 6th resistance,
The red lamp drive circuit includes the 8th audion, and the emitter stage of first audion is just being connected to filter circuit of pressure-stabilizing
Extremely go up, the colelctor electrode of first audion is connected with the 4th resistance and the 8th resistance, the colelctor electrode of first audion
It is connected with the base stage of the 3rd audion by second resistance, the base stage of first audion passes through the 6th resistance and the three or three
The colelctor electrode of pole pipe be connected and the 3rd audion grounded emitter, the base stage of the 3rd audion is connected to first
On the positive pole of Zener diode and the junction point of 3rd resistor, the base stage of the 8th audion is connected to the 4th Zener diode
Positive pole and the 19th resistance junction point on, the grounded emitter of the 8th audion, the current collection of the 8th audion
Pole is connected on the junction point of the 5th resistance and red colored lamp.
7. a kind of low-voltage according to claim 6 turns emergent charged pool short-circuit protection circuit automatically, it is characterised in that：Institute
The 3rd audion, the 4th audion, the 5th audion, the 8th audion, the 7th audion and the 9th audion are stated for NPN type three
Pole pipe, first audion, the second audion, the 6th audion are PNP type triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621099948.8U CN206060327U (en) | 2016-09-29 | 2016-09-29 | A kind of low-voltage turns emergent charged pool short-circuit protection circuit automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621099948.8U CN206060327U (en) | 2016-09-29 | 2016-09-29 | A kind of low-voltage turns emergent charged pool short-circuit protection circuit automatically |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206060327U true CN206060327U (en) | 2017-03-29 |
Family
ID=58363340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621099948.8U Active CN206060327U (en) | 2016-09-29 | 2016-09-29 | A kind of low-voltage turns emergent charged pool short-circuit protection circuit automatically |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206060327U (en) |
-
2016
- 2016-09-29 CN CN201621099948.8U patent/CN206060327U/en active Active
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