CN205212518U - Automatic control circuit that charges of backup battery in fire control class electronic equipment and emergency light - Google Patents
Automatic control circuit that charges of backup battery in fire control class electronic equipment and emergency light Download PDFInfo
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- CN205212518U CN205212518U CN201520938033.0U CN201520938033U CN205212518U CN 205212518 U CN205212518 U CN 205212518U CN 201520938033 U CN201520938033 U CN 201520938033U CN 205212518 U CN205212518 U CN 205212518U
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Abstract
The utility model discloses an automatic control circuit that charges of backup battery in fire control class electronic equipment and emergency light, including L end and the N end that is used for connecting outside 220V voltage, and bidirectional thyristor VT1, optoelectronic coupler IC1, first electric capacity C1, bridge rectifier D1~D4, second electric capacity C2, first stabilivolt VD1, the U circuit, first resistance R1, the 5th diode D5, second resistance R2, third resistance R3, fourth resistance R4, the 5th resistance R5, the 6th resistance R6, first triode Q1, second triode Q2, third triode Q3 and the 6th diode D6, the utility model discloses the circuit is simple, and reasonable in design can realize automatic charging to the backup battery of emergency light, is full of electricity back automatic shutdown and charges to the realization is charged to different voltage batteries, prolongs the life -span of battery, the using electricity wisely.
Description
Technical field
The utility model relates to power technique fields, is specifically related to reserve battery automatic charging control circuit in a kind of fire-fighting class of electronic devices and emergency light.
Background technology
At present, along with the generally application in emergency light of lithium ion battery, Ni-MH battery, nickel-zinc cell, the safety and reliability of battery backup, useful life and the performance of service efficiency on emergency light have vital impact.Existing emergency light due to supplying cell be in charging for a long time, shelve, in the uncertain periodic duty state such as electric discharge, cell life-span and be subject to larger impact for electrical stability.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of circuit simple, reserve battery automatic charging control circuit in the fire-fighting class of electronic devices of good reliability and emergency light.
Technical problem to be solved in the utility model realizes by the following technical solutions:
Reserve battery automatic charging control circuit in a kind of fire-fighting class of electronic devices and emergency light, comprise the L end for connecting outside 220V voltage and N end, and bidirectional triode thyristor VT1, photoelectrical coupler IC1, the first electric capacity C1, bridge rectifier, the second electric capacity C2, first voltage-stabiliser tube VD1, U circuit, the first resistance R1, the 5th diode D5, the second resistance R2, the 3rd resistance R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the first triode Q1, the second triode Q2, the 3rd triode Q3 and the 6th diode D6;
Wherein 220V voltage L terminal voltage divides two-way, and a road is connected to first electric capacity C1 one end, and another road is connected on the 1st pin of bidirectional triode thyristor VT1 and the 4th pin of photoelectrical coupler IC1; 2nd pin of described bidirectional triode thyristor VT1 is connected on the 3rd pin of photoelectrical coupler IC1, the 2nd pin ground connection of described photoelectrical coupler IC1,1st pin of photoelectrical coupler IC1 is connected to first resistance R1 one end, and the 3rd pin of described bidirectional triode thyristor VT1 is connected to the 4th link of U circuit;
Described 220V voltage N terminal voltage is connected to the 1st link of U circuit and the 3rd link of bridge rectifier, 3rd link ground connection of described U circuit, 2nd link of described U circuit is connected to the positive pole of the 5th diode D5, the negative pole of described 5th diode D5 is connected to the 4th resistance R4 one end, described 3rd resistance R3 two ends are connected on the 5th diode D5 two ends respectively, the described 4th resistance R4 other end is connected to the base stage of the first triode Q1 and one end of the 5th resistance R5, 5th resistance R5 other end ground connection, the emitter of described first triode Q1 is connected to the positive pole of the 5th diode D5, the collector electrode of described first triode Q1 is connected to second resistance R2 one end, the second resistance R2 other end is connected to the base stage of the second triode Q2, the emitter of the second triode Q2 is connected to the other end of the first resistance R1 and the collector electrode of the 3rd triode Q3, the collector electrode of described second triode Q2 is connected to the negative pole of the 5th diode D5 and the positive pole of battery, the base stage of described 3rd triode Q3 is connected to the positive pole of battery,
The other end of described first electric capacity C1 is connected to the 1st link of bridge rectifier, 2nd link ground connection of described bridge rectifier, 4th link of bridge rectifier is connected to the emitter of the 3rd triode Q3 through the 6th diode D6, one end of described second electric capacity C2 and one end of the first voltage-stabiliser tube VD1, the other end of described second electric capacity C2 and the other end of the first voltage-stabiliser tube VD1 ground connection respectively.
Described bridge rectifier is made up of in primary Ioops four diode D1-D4 series connection.
The beneficial effects of the utility model are: the utility model circuit is simple, and reasonable in design, the reserve battery that may correspond to anxious lamp realizes automatic charging, automatically stop charging after being full of electricity, thus realize charging to different voltage battery, extend the life of a cell, electrical energy saving.
Accompanying drawing explanation
Fig. 1 is the utility model circuit theory diagrams.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
As shown in Figure 1, reserve battery automatic charging control circuit in a kind of fire-fighting class of electronic devices and emergency light, comprise the L end for connecting outside 220V voltage and N end, and bidirectional triode thyristor VT1, photoelectrical coupler IC1, the first electric capacity C1, bridge rectifier D 1 ~ D4, the second electric capacity C2, first voltage-stabiliser tube VD1, U circuit, the first resistance R1, the 5th diode D5, the second resistance R2, the 3rd resistance R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the first triode Q1, the second triode Q2, the 3rd triode Q3 and the 6th diode D6;
Wherein 220V voltage L terminal voltage divides two-way, and a road is connected to first electric capacity C1 one end, and another road is connected on the 1st pin of bidirectional triode thyristor VT1 and the 4th pin of photoelectrical coupler IC1; 2nd pin of described bidirectional triode thyristor VT1 is connected on the 3rd pin of photoelectrical coupler IC1, the 2nd pin ground connection of described photoelectrical coupler IC1,1st pin of photoelectrical coupler IC1 is connected to first resistance R1 one end, and the 3rd pin of described bidirectional triode thyristor VT1 is connected to the 4th link of U circuit;
Described 220V voltage N terminal voltage is connected to the 1st link of U circuit and the 3rd link of bridge rectifier, 3rd link ground connection of described U circuit, 2nd link of described U circuit is connected to the positive pole of the 5th diode D5, the negative pole of described 5th diode D5 is connected to the 4th resistance R4 one end, described 3rd resistance R3 two ends are connected on the 5th diode D5 two ends respectively, the described 4th resistance R4 other end is connected to the base stage of the first triode Q1 and one end of the 5th resistance R5, 5th resistance R5 other end ground connection, the emitter of described first triode Q1 is connected to the positive pole of the 5th diode D5, the collector electrode of described first triode Q1 is connected to second resistance R2 one end, the second resistance R2 other end is connected to the base stage of the second triode Q2, the emitter of the second triode Q2 is connected to the other end of the first resistance R1 and the collector electrode of the 3rd triode Q3, the collector electrode of described second triode Q2 is connected to the negative pole of the 5th diode D5 and the positive pole of battery, the base stage of described 3rd triode Q3 is connected to the positive pole of battery,
The other end of described first electric capacity C1 is connected to the 1st link of bridge rectifier, 2nd link ground connection of described bridge rectifier, 4th link of bridge rectifier is connected to the emitter of the 3rd triode Q3 through the 6th diode D6, one end of described second electric capacity C2 and one end of the first voltage-stabiliser tube VD1, the other end of described second electric capacity C2 and the other end of the first voltage-stabiliser tube VD1 ground connection respectively.
Operation principle:
First 220V voltage L terminal voltage divides two-way, and a road exports 4.5V voltage after C1 capacitance decompression, C2 capacitor filtering, the voltage stabilizing of VD1 voltage-stabiliser tube, is connected to the emitter of Q3 triode through D6 diode; Another road voltage is connected on the 1st pin of VT1 bidirectional triode thyristor and the 4th pin of photoelectrical coupler IC1.
In general emergency light, cell voltage is 3.6V, be about 4.2V when battery is full of electricity, when cell voltage in emergency light is at about 3.8V, Q3 transistor base voltage is lower than emitter voltage, Q3 triode ON, collector electrode exports high level makes the luminous tube of IC1 photoelectrical coupler inside luminous through R1 resistance, the photo resistance of IC1 photoelectrical coupler inside diminishes because being subject to illumination resistance, 3rd pin of IC1 photoelectrical coupler exports 2nd pin of high level to VT1 bidirectional triode thyristor, trigger the conducting of VT1 bidirectional triode thyristor, U circuit is made to obtain electric work, export 5V voltage produces about about 0.5-0.7V voltage through the resistance R3 two ends of D5 diode and the two ends parallel connection of D5 diode, make Q1 triode and Q2 triode ON, IC1 photoelectrical coupler internal illumination pipe is made to keep obtaining electroluminescence, IC1 photoelectrical coupler keeps operating state, VT1 bidirectional triode thyristor is made to keep triggering work state, U circuit maintenance work.After battery is filled electricity thereupon, the cathodal current of D5 diode is very little, certain pressure drop can not be produced at R3 resistance two ends, D5 diode is equivalent to by R3 resistive short, the voltage of about about 0.5V can not be taken part in D5 diode two ends, Q1 triode and Q2 triode all by, now, because battery is filled electricity, Q3 transistor base voltage is higher than emitter voltage, Q3 triode also by, IC1 photoelectrical coupler internal illumination pipe dead electricity does not work, VT1 bidirectional triode thyristor because of triggerless voltage by, U down circuitry, thus the battery reached in electrical energy saving and protection emergency light can not by overcharge, realize battery in emergency light and be interrupted automatic charging function.As long as this circuit just can realize automatic charging to the reserve battery of fire-fighting class of electronic devices inside after changing the voltage stabilizing set point of VD1 voltage-stabiliser tube, after being full of electricity, automatically stop charging, thus realize charging to different voltage battery, extend the life of a cell, electrical energy saving.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (1)
1. reserve battery automatic charging control circuit in a fire-fighting class of electronic devices and emergency light, it is characterized in that, comprise the L end for connecting outside 220V voltage and N end, and bidirectional triode thyristor (VT1), photoelectrical coupler (IC1), first electric capacity (C1), bridge rectifier, second electric capacity (C2), first voltage-stabiliser tube (VD1), U circuit, first resistance (R1), 5th diode (D5), second resistance (R2), 3rd resistance (R3), 4th resistance (R4), 5th resistance (R5), 6th resistance (R6), first triode (Q1), second triode (Q2), 3rd triode (Q3) and the 6th diode (D6),
Wherein 220V voltage L terminal voltage divides two-way, and a road is connected to the first electric capacity (C1) one end, and another road is connected on the 1st pin of bidirectional triode thyristor (VT1) and the 4th pin of photoelectrical coupler (IC1); 2nd pin of described bidirectional triode thyristor (VT1) is connected on the 3rd pin of photoelectrical coupler (IC1), 2nd pin ground connection of described photoelectrical coupler (IC1), 1st pin of photoelectrical coupler (IC1) is connected to the first resistance (R1) one end, and the 3rd pin of described bidirectional triode thyristor (VT1) is connected to the 4th link of U circuit;
Described 220V voltage N terminal voltage is connected to the 1st link of U circuit and the 3rd link of bridge rectifier, 3rd link ground connection of described U circuit, 2nd link of described U circuit is connected to the positive pole of the 5th diode (D5), the negative pole of described 5th diode (D5) is connected to the 4th resistance (R4) one end, described 3rd resistance (R3) two ends are connected on the 5th diode (D5) two ends respectively, described 4th resistance (R4) other end is connected to the base stage of the first triode (Q1) and one end of the 5th resistance (R5), 5th resistance (R5) other end ground connection, the emitter of described first triode (Q1) is connected to the positive pole of the 5th diode (D5), the collector electrode of described first triode (Q1) is connected to the second resistance (R2) one end, second resistance (R2) other end is connected to the base stage of the second triode (Q2), the emitter of the second triode (Q2) is connected to the other end of the first resistance (R1) and the collector electrode of the 3rd triode (Q3), the collector electrode of described second triode (Q2) is connected to the negative pole of the 5th diode (D5) and the positive pole of battery, the base stage of described 3rd triode (Q3) is connected to the positive pole of battery,
The other end of described first electric capacity (C1) is connected to the 1st link of bridge rectifier, 2nd link ground connection of described bridge rectifier, 4th link of bridge rectifier is connected to the emitter of the 3rd triode (Q3) through the 6th diode (D6), one end of described second electric capacity (C2) and one end of the first voltage-stabiliser tube (VD1), the other end of described second electric capacity (C2) and the other end of the first voltage-stabiliser tube (VD1) ground connection respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520938033.0U CN205212518U (en) | 2015-11-20 | 2015-11-20 | Automatic control circuit that charges of backup battery in fire control class electronic equipment and emergency light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520938033.0U CN205212518U (en) | 2015-11-20 | 2015-11-20 | Automatic control circuit that charges of backup battery in fire control class electronic equipment and emergency light |
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| Publication Number | Publication Date |
|---|---|
| CN205212518U true CN205212518U (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520938033.0U Withdrawn - After Issue CN205212518U (en) | 2015-11-20 | 2015-11-20 | Automatic control circuit that charges of backup battery in fire control class electronic equipment and emergency light |
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| CN (1) | CN205212518U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356566A (en) * | 2015-11-20 | 2016-02-24 | 六安市同心畅能电子科技有限公司 | Fire-protection electronic device and emergency lamp standby battery automatic charging control circuit |
-
2015
- 2015-11-20 CN CN201520938033.0U patent/CN205212518U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356566A (en) * | 2015-11-20 | 2016-02-24 | 六安市同心畅能电子科技有限公司 | Fire-protection electronic device and emergency lamp standby battery automatic charging control circuit |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160504 Effective date of abandoning: 20170926 |
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| AV01 | Patent right actively abandoned |