CN2702510Y - Fire-fighting emergency lamp control circuit - Google Patents
Fire-fighting emergency lamp control circuit Download PDFInfo
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- CN2702510Y CN2702510Y CN 200420042658 CN200420042658U CN2702510Y CN 2702510 Y CN2702510 Y CN 2702510Y CN 200420042658 CN200420042658 CN 200420042658 CN 200420042658 U CN200420042658 U CN 200420042658U CN 2702510 Y CN2702510 Y CN 2702510Y
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Abstract
The utility model provides a safe and reliable fire-fighting emergency lamp control circuit, in particular to a fire-fighting emergency lamp control integrated circuit (IC) and a fire-fighting emergency lamp made up thereof. The control circuit adopts a charging timing circuit to control the charging time. The charging timing circuit uses an external input direct-current power supply as the reset signal and uses the commercial power alternating-current frequency as the clock signal. After being energized and reset for every time, the charging control output end controls the corresponding charging control switching element to conduct and begin to time. When the time is up to the predetermined time, the control circuit switches off the shaped element and stops charging. The integrated circuit is manufactured by the Bi-COMS technology. The utility model adopts timing standard charging in the charging control aspect and has the advantages of convenient use, safety and reliability, which can prominently improve the charging effect of the battery, prolong the service life of the battery more than two times, and greatly reduce the production cost of the fire-fighting emergency lamp.
Description
Technical field
The utility model relates to fire emergency lamp, more particularly, relates to a kind of fire-fighting emergent lamp control circuit that is used for fire-fighting emergency headlamp or fire-fighting emergent sign for safe evacuation lamp.
Background technology
Fire emergency lamp comprises fire-fighting emergency headlamp and fire-fighting emergent sign for safe evacuation lamp.Wherein fire-fighting emergency headlamp is installed on fire-fighting life-saving passage place usually, when having a power failure, can turning on light automatically during disaster scenarios it such as fire-fighting fire alarm and realize function of emergency illumination.Fire-fighting emergent sign for safe evacuation lamp then can be used for pointing out the position and the escape direction of fire-fighting life-saving passage.
There are light source, battery, transforming circuit, rectification circuit, charging circuit, automatic emergency change-over circuit, failure detector circuit, fault display circuit and charging control and protective circuit in the major function unit of fire emergency lamp.In existing product, normally adopt a battery voltage detection circuit to detect the voltage condition of battery, as long as when detecting its voltage and being lower than predetermined value, just by charging circuit to battery charge.Because the difference of the factors such as temperature of the manufacturer of battery, specifications and models, newness degree, environment for use, existing charge mode is difficult to satisfy the needs that use, that is to say that this charging modes exists inadequate natural endowment, voltage one has reduction to charge slightly, consequently causes shorten the useful life of battery.
The utility model content
Above-mentioned defective at prior art, the utility model will solve existing fire emergency lamp because the problem that falls short of the useful life of the battery that the limitation of its charge mode causes, and will solve also simultaneously that the emergency light discreteness that existing resolution element forms is big, power consumption big, debug problems such as complexity.
For addressing the above problem, the utility model provides a kind of fire-fighting emergent lamp control circuit, comprising: be used to detect by the supply voltage of outside input normal voltage detection circuit whether, the outside input of its input termination power supply, its conversion and control output can be connected to corresponding conversion controling switch device to control its conducting or shutoff; And the charging timing circuit that is used to control the charging interval, the outside input of its input termination power supply, its charging control output end can be connected to corresponding charging control switch device to control its conducting or shutoff.
In fire-fighting emergent lamp control circuit of the present utility model, also can comprise: the battery voltage detection circuit that is used to detect cell voltage, its input termination battery, its emergent control output end can be connected to corresponding emergent control switch device to control its conducting or shutoff; Battery open circuit display driver circuit, its input is connected with the detection output of described battery voltage detection circuit, and its fault-signal output can be connected to the corresponding illuminants part and whether be in open-circuit condition to demonstrate battery; The battery short circuit protective circuit, its input is connected with the detection output of described battery voltage detection circuit, and its fault-signal output can be connected to corresponding charging control switch device to control its conducting or shutoff; And, being used to detect the light source open circuit display driver circuit of whether opening a way in the emergency light loop, its input is connected with the emergency light loop, and its fault-signal output can be connected to the corresponding illuminants part and whether be in open-circuit condition to demonstrate battery.
In fire-fighting emergent lamp control circuit of the present utility model, described charging timing circuit with the DC power supply of outside input as reset signal, and with the civil power a-c cycle as its clock signal; Its charging control output end is exported high level or low level and is picked up counting after each power-on-reset, and then its charging control output end is unsettled to the scheduled time in timing.
If control circuit of the present utility model is applied to the emergency evacuation identification light, then also can comprise a voltage stable circuit, it is stable with control output voltage that its output can be connected to corresponding power expansion device.
Above-mentioned each circuit can be integrated in the chip of a Bi-CMOS technology.
Fire-fighting emergent lamp control circuit of the present utility model can be made into multi-functional fire-fighting emergent sign for safe evacuation lamp or illuminating lamp control chip; its voltage adaptation scope for direct current 3V to 22V, be mainly used in battery charge control, the alternating voltage of realizing fire emergency lamp automatic emergency conversion, battery open circuit display driver, battery voltage detection, the battery when crossing low or outage and cross functions such as putting protection, battery short circuit protection.It has the following advantages: high-performance Bi-CMOS technology, and superior high voltage performance, built-in stability is reference voltage preferably, is applicable to the nickel-cadmium cell or the Ni-MH battery of various models, built-in kinds of protect circuit, operating voltage range is wide.
In addition, the utility model also provides a kind of fire emergency lamp, comprising transforming circuit, rectification circuit, charging circuit and rechargeable battery, also comprise: be used to detect by the supply voltage of outside input normal voltage detection circuit whether, the output of the described rectification circuit of its input termination, its conversion and control output is connected to the base stage of conversion and control triode Q2 to control its conducting or shutoff, and the power input of described triode Q2 is in parallel with the input of described voltage detection circuit; Be used to control the charging timing circuit in charging interval, the power output end of the described triode Q2 of its input termination, its charging control output end is connected to the base stage of charging control triode Q3 to control its conducting or shutoff, and the power input of described triode Q3 is connected through the power output end of resistance R 1 with described triode Q2.
In fire emergency lamp of the present utility model, also comprise: the battery voltage detection circuit that is used to detect cell voltage, its input termination battery, its emergent control output end is connected to the base stage of emergent control triode Q4 to control its conducting or shutoff, and the power input of described triode Q4 connects anode; Battery open circuit display driver circuit, its input is connected with the detection output of described battery voltage detection circuit, and its fault-signal output is connected to corresponding illuminants part D103 and whether is in open-circuit condition to demonstrate battery; The battery short circuit protective circuit, its input is connected with the detection output of described battery voltage detection circuit, and its fault-signal output is connected to the base stage of charging control triode Q3 to control its conducting or shutoff; And, being used to detect the light source open circuit display driver circuit of whether opening a way in the emergency light loop, its input is connected with the emergency light loop, and its fault-signal output can be connected to corresponding illuminants part D103 and whether be in open-circuit condition to demonstrate battery.
If described fire emergency lamp is a fire-fighting emergent sign for safe evacuation lamp, then wherein also can comprise a voltage stable circuit, its output is connected to the base stage of voltage stabilizing control triode Q1 to control its regulated output voltage value.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the theory diagram of fire-fighting emergent sign for safe evacuation lamp control chip in the utility model preferred embodiment one;
Fig. 2 is the encapsulation figure of chip shown in Figure 1;
Fig. 3 is the circuit diagram of the fire-fighting emergent sign for safe evacuation lamp made with chip shown in Figure 1;
Fig. 4 is the theory diagram of fire-fighting emergency headlamp control chip in the utility model preferred embodiment two;
Fig. 5 is the encapsulation figure of chip shown in Figure 4;
Fig. 6 is the circuit diagram of the fire-fighting emergent double-ended lamp made with chip shown in Figure 4;
Fig. 7 is the circuit diagram of the fire-fighting emergent electricity-saving lamp made with chip shown in Figure 4;
Fig. 8 is the circuit diagram of the fire-fighting emergent fluorescent lamp made with chip shown in Figure 4.
Embodiment
Through test many times, the applicant finds that if adopt the pattern of timing standard charging, can prolong more than one times the useful life of battery.Said timing charging in the utility model, be meant when energising for the first time use or in use after the civil power AC dump again recovery just often, to battery charge, and the charging interval be set at a time value that is best suited for.Test shows that when adopting the 0.1C charging, this optimal charge time is 15 hours.
Embodiment one fire-fighting emergent sign for safe evacuation lamp control integrated circuit and application thereof
As Fig. 1, Fig. 2 and shown in Figure 3, the model of the control integrated circuit in the present embodiment is GHY8001, it is a multi-functional fire-fighting emergent sign for safe evacuation lamp control chip, as shown in Figure 1, in the inside of this chip following circuit is arranged: the voltage stabilizing circuit 101 that is used to provide stable operating voltage; Be used for voltage detection circuit 102 that the voltage that rectification circuit is imported is detected; The charging timing circuit 103 of clocking capability is used to realize to charge; Be used to realize the battery short circuit protective circuit 104 of battery short circuit protection; Be used to detect the battery voltage detection circuit 105 of cell voltage; Be used to produce the benchmark grid bias power supply 106 of benchmark bias voltage; Be used to drive the battery open circuit display driver circuit 107 of battery open circuit display lamp; Be used to drive the light source open circuit display circuit 108 of emergency light open circuit display lamp, and be used to control voltage stable circuit 109 to identification light output burning voltage.
Be illustrated in figure 2 as the encapsulation figure of this chip, 12 external signal input pins are wherein arranged, specifically: VB (1 pin,), VCC (4 pin), ACL (5 pin), CLK (6 pin), VDD (7 pin), GND (9 pin), LAMPT (11 pin), A1 (13 pin), BOPEN (14 pin), BOFF (15 pin), A2 (16 pin), and C1 (18 pin).Also have 5 control signal output pins, specifically: LEDG (2 pin), LEDY (3 pin), LEDR (8 pin), LAMPC (10 pin), and AOUT (17 pin).Concrete function, effect to each pin describes below:
1) VB (PIN1), the battery voltage detection end.
2) LEDG (PIN2) exchanged low emergent conversion and control end, was used to control external PNP triode Q2 and green LED indicator light D101, when circuit voltage just often, LEDG output low level point gives a green light and opens triode Q2; Circuit voltage crosses low or during power down, LEDG is in unsettled attitude output, and green light goes out, and triode Q2 closes.
3) LEDY (PIN3), fault shows control end, this end output control LED light D103, as battery open circuit and light source open fault indication end, when two kinds of situations occurring as previously mentioned, LEDY output high level is lighted external LED lamp 103, and fault is arranged in the cue circuit.
4) VCC (PIN4), power input can be imported by providing DC power supply to chip after the step-down of external communication electric rectification.
5) ACL (PIN5) exchanged low emergent conversion and set end, and this end outer meeting resistance is used for setting when the VCC input voltage is lower than to turn-off LEDG output when how to be worth, and stops battery charge.
6) CLK (PIN6), charging elapsed time clock fundamental frequency input, this end can directly connect alternating voltage, and when the external 50Hz alternating voltage of this end, its charging timing length is 15 hours.
7) VDD (PIN7), reset terminal during chargometer provides power supply for the charging timing circuit by VDD, when promptly allowing it begin to carry out chargometer.
8) LEDR (PIN8), the charging control end is used to control external PNP triode at Q3 and red LED indicator light D102, and when circuit was in charged state, LEDR output low level point sent out a warning and opens triode Q3, and external power source is charged to battery; When charging end or circuit power down, LEDR is in unsettled output, and red light goes out, and triode Q3 closes, and power supply stops battery being charged.
9) GND (PIN9), power supply ground.
10) LAMPC (PIN10), emergent output control terminal, when outside the circuit during in charged state, LAMPC is in unsettled output state, and its corresponding external PNP triode Q4 closes, and emergency light is in the alternate current operation state; When circuit power down or brownout, chip controls LAMPC output low level, open external triode Q4, battery is powered to emergency light, and emergency light is in standby mode of operation, if after a period of time, cell voltage is low excessively, chip will be controlled LAMPC and be in unsettled output state, and triode is closed, and emergency light is closed.
11) LAMPT (PIN11), light source detection end, its input signal can represent whether light source is in open-circuit condition.
12) VREF (PIN12), test lead.
13) A1 (PIN13), voltage stabilizing sampling input.
14) BOPEN (PIN14), battery open circuit voltage set end, are used for outer meeting resistance to set the battery open circuit voltage value, are judged by the detected cell voltage of VB that promptly battery opens a way during for what.
15) BOFF (PIN15), battery cross to be put protection and sets end, be used for outer meeting resistance with set when cell voltage low during to what the shutoff battery to the power supply of emergency light.
16) A2 (PIN16), voltage stabilizing adjustment end is used for outer meeting resistance to set required stable magnitude of voltage.
17) AOUT (PIN17), the voltage stabilizing control end.
18) C1 (PIN18), the external capacitor end is used for external filter capacitor.
Said chip is equipped with simple outside line, can satisfy the electricity function index among the standard GB 17945-2000 of fire emergency lamps, and esy to use, safe and reliable, can significantly reduce the production cost of fire emergency lamps.Below in conjunction with Fig. 1, Fig. 2 and Fig. 3 the general function of GHY8001 is described.
When alternating current circuit has electricity, provide power supply by VCC (PIN4) to chip, at this moment chip begins operate as normal, make that by LEDG (PIN2) output low level external green light D101 is bright, and make triode Q2 conducting, VDD this moment (PIN7) has voltage, thereby provides power supply to the charging timing circuit 103 in the chip by VDD, makes timing begin.The elapsed time clock of charging timing circuit 103 offers CLK (PIN6) by the external communication sinusoidal signal, and when the frequency that exchanges was 50HZ, timing length was 15 hours.In charging process, LEDR (PIN8) output low level is lighted corresponding red light D102 and triode Q3 opens, and after timing time arrived, LEDR exported high resistant, and corresponding red light goes out and triode Q3 closes, and battery charge finishes.After this, if power-down conditions does not take place always, then the branch road of being made up of resistance R 1 and resistance R 2 can carry out the trickle boost charge to battery, to keep its electric weight.
Simultaneously, when alternating current, if represent battery short circuit by the detection signal of VB (PIN1) input, then chip makes LEDG output high resistant by battery short circuit protective circuit 104 immediately, thereby makes the charging circuit promptly can't be to battery charge; If battery is in open circuit, then battery open circuit display driver circuit 107 will make the bright corresponding amber light D103 of LEDY (PIN3) output upper level signaling point, and the prompting battery is in open-circuit condition; As VDD (PIN7) when voltage is arranged, if the detection signal by LAMPT (PIN11) input represents that light source (being corresponding identification light) is when being in open-circuit condition, then light source open circuit display circuit 107 will be controlled the bright corresponding amber light D103 of LEDY output upper level signaling point, prompting filament open circuit.
When no civil power alternating current, when being the circuit power down, the equal no-voltage of VCC, VDD, to provide working power for the partial circuit the chip from VB this moment by battery, entire circuit is in emergency rating, and the LAMPC of chip (PIN10) output low level makes corresponding PNP triode Q4 conducting, battery provides electric current by the loop to emergency light, and emergency light is lighted.If when battery voltage detection circuit 105 detects cell voltage and is lower than predetermined value, chip will turn-off LAMPC and export, and emergency light goes out.
In addition, voltage stable circuit 109 wherein is in conjunction with the size of supplying with certain modulating voltage after the external circuits detection AC rectification, is the operating state that is used to control triode Q1 among Fig. 3, thereby dynamically adjusts the size of its output voltage, reaches the purpose of constant voltage.
The input of GHY8001 and the relation of output be as shown in Table 1:
Table one
Listed in Table 1 relation is: the remaining input terminal except listed input all is under the normal condition, and the state of the output of ACL, BOFF, BOPEN end institute connecting resistance size when having determined.Wherein A1, A2, AOUT are three ports of amplifier, in therefore not being listed in the table.
Embodiment two, fire-fighting emergency headlamp control integrated circuit and application thereof
The model of control integrated circuit is GHY8002 in the present embodiment, as shown in Figure 4, in the inside of this chip following circuit is arranged: the voltage stabilizing circuit 101 that is used to provide stable operating voltage; Be used for voltage detection circuit 102 that the voltage that rectification circuit is imported is detected; The charging timing circuit 103 of clocking capability is used to realize to charge; Be used to realize the battery short circuit protective circuit 104 of battery short circuit protection; Be used to detect the battery voltage detection circuit 105 of cell voltage; Be used to produce the benchmark grid bias power supply 106 of benchmark bias voltage; Be used to drive the battery open circuit display driver circuit 107 of battery open circuit display lamp; Be used to drive the light source open circuit display circuit 108 of emergency light open circuit display lamp, and be used to control voltage stable circuit 109 to identification light output burning voltage.
Be illustrated in figure 5 as the encapsulation figure of this chip, 10 external signal inputs are wherein arranged, specifically: VCC (3 pin), ACL (4 pin), CLK (5 pin), VDD (6 pin), GND (9 pin), LAMPT (11 pin), BOPEN (13 pin), BOFF (14 pin), C1 (15 pin), and VB (16 pin).Also have 4 control signal output pins, specifically: LEDG (1 pin), LEDY (2 pin), LEDR (8 pin), and LAMPC (10 pin).The front will be specifically described each pin:
1) LEDG (PIN1) exchanged low emergent conversion and control end, was used to control external PNP triode Q2 and green LED indicator light D101, when circuit voltage just often, LEDG output low level point gives a green light and opens triode Q2; Circuit voltage crosses low or during power down, LEDG is in unsettled attitude output, and green light goes out, and triode Q2 closes.
2) LEDY (PIN2), fault shows control end, this end output control yellow led indicator light D103, as battery open circuit and light source open fault indication end, when two kinds of situations occurring as previously mentioned, LEDY output high level is lighted external LED lamp, and fault is arranged in the cue circuit.
3) VCC (PIN3), power supply offers the DC power supply that chip charges the battery after the step-down of external communication electric rectification.
4) ACL (PIN4) exchanged low emergent conversion and set end, and this end outer meeting resistance is used for setting when the VCC input voltage is lower than to turn-off LEDG output when how to be worth, and stops battery charge.
5) CLK (PIN5), charging elapsed time clock fundamental frequency input, this end can directly connect alternating voltage, and when the external 50Hz alternating voltage of this end, its charging timing length is 15 hours.
6) VDD (PIN6), reset terminal during chargometer.Power supply is provided for the charging timing circuit by VDD, when promptly allowing it begin to carry out chargometer.
7) Y24 (PIN7), test lead.
8) LEDR (PIN8), the charging control end, output external PNP triode Q3 of control and red LED indicator light D102, when circuit was in charged state, LEDR output low level point sent out a warning and opens triode Q3, and external power source is charged to battery; When charging end or circuit power down, LEDR is in unsettled output, and red light goes out, and triode Q3 closes, and power supply stops battery being charged.
9) GND (PIN9), power supply ground.
10) LAMPC (PIN10), emergent output control terminal, when outside the circuit during in charged state, LAMPC is in unsettled output state, and its corresponding external PNP triode Q4 closes, and emergency light does not work; When circuit power down or brownout, chip controls LAMPC output low level is opened external PNP triode Q4, and battery is powered to emergency light, emergency light is bright, if after a period of time, cell voltage is low excessively, chip will be controlled LAMPC and be in unsettled output state, and PNP triode Q4 closes, and emergency light goes out.
11) LAMPT (PIN11), the light source detection end, whether detection light source is in open-circuit condition.
12) VREF (PIN12), test lead.
13) BOPEN (PIN13), battery open circuit voltage is set end, is used for outer meeting resistance to set the battery open circuit voltage value, judges the battery open circuit when promptly detecting cell voltage for what by VB.
14) BOFF (PIN14), battery cross puts protection setting end, is used for outer meeting resistance and turn-offs the power supply of battery to emergency light to set when cell voltage hangs down to several lying prostrate.
15) C1 (PIN15), the external capacitor end is used for external filter capacitor.
16) VB (PIN16), the battery voltage detection end.
Below in conjunction with Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, the general function of GHY8002 is described.Wherein, Fig. 6 is the circuit diagram of the fire-fighting emergent double-ended lamp made with chip shown in Figure 4; Fig. 7 is the circuit diagram of the fire-fighting emergent electricity-saving lamp made with chip shown in Figure 4; Fig. 8 is the circuit diagram of the fire-fighting emergent fluorescent lamp made with chip shown in Figure 4.
When alternating current circuit has electricity, provide power supply by VCC (PIN3) to chip, at this moment chip begins operate as normal, make the bright and PNP triode Q2 conducting of external green light D101 by LEDG (PIN1) output low level, VDD this moment (PIN6) has voltage, thereby provide power supply to the charging timing circuit 203 in the chip by VDD, make timing begin.The elapsed time clock of charging timing circuit 203 offers CLK (PIN5) by the external communication sinusoidal signal, and when the frequency of civil power interchange was 50HZ, timing length was 15 hours.In charging process, LEDR (PIN8) output low level is bright and PNP triode Q3 unlatching with corresponding red light point D102, and after timing time arrived, LEDR exported high resistant, and corresponding red light goes out and PNP triode Q3 closes, and battery charge finishes.
Simultaneously, when alternating current, as if the signal indicating battery short circuit by VB (PIN16) input, then chip makes LEDG output high resistant by battery short circuit protective circuit 204 immediately, and circuit promptly can't be to battery charge; When if battery is in open circuit, then battery open circuit display driver circuit 207 will make the bright corresponding amber light D103 of LEDY (PIN2) output upper level signaling point, and the prompting battery is in open-circuit condition; As VDD (PIN6) when voltage is arranged, if detect light source when being in open-circuit condition by LAMPT (PIN11), then light source open circuit display circuit 208 will control the bright corresponding amber light D103 of LEDY output upper level signaling point, and the prompting filament is opened a way.
In circuit, there is not alternating current, i.e. during circuit power down, the equal no-voltage of VCC, VDD, this moment, chip provided supply voltage from VB to partial circuit the chip by battery.At this moment entire circuit is in emergency rating, and chip LAMPC (PIN10) output low level makes corresponding PNP triode Q4 conducting, and battery provides electric current by the loop to emergency light, and emergency light is in standby mode of operation.If when battery voltage detection circuit 205 detects cell voltage and is lower than predetermined value, chip promptly turn-offs LAMPC and exports
The input of GHY8002 and the relation of output be as shown in Table 2:
Table two
Listed relation is in table two: the remaining input terminal except listed input all is under the normal condition, and the state of the output of ACL, BOFF, BOPEN end institute connecting resistance size when having determined.
Claims (9)
1, a kind of fire-fighting emergent lamp control circuit is characterized in that, comprising:
Be used to detect by the supply voltage of outside input normal voltage detection circuit (102) whether, the outside input of its input termination power supply, its conversion and control output can be connected to corresponding conversion controling switch device to control its conducting or shutoff;
Be used to control the charging timing circuit (103) in charging interval, the outside input of its input termination power supply, its charging control output end can be connected to corresponding charging control switch device to control its conducting or shutoff.
2, fire-fighting emergent lamp control circuit according to claim 1 is characterized in that, wherein also comprises:
Be used to detect the battery voltage detection circuit (105) of cell voltage, its input termination battery, its emergent control output end can be connected to corresponding emergent control switch device to control its conducting or shutoff;
Battery open circuit display driver circuit (107), its input is connected with the detection output of described battery voltage detection circuit (105), and its fault-signal output can be connected to the corresponding illuminants part and whether be in open-circuit condition to demonstrate battery;
Battery short circuit protective circuit (106), its input is connected with the detection output of described battery voltage detection circuit (105), and its fault-signal output can be connected to corresponding charging control switch device to control its conducting or shutoff;
And, being used to detect the light source open circuit display driver circuit (108) of whether opening a way in the emergency light loop, its input is connected with the emergency light loop, and its fault-signal output can be connected to the corresponding illuminants part and whether be in open-circuit condition to demonstrate battery.
3, fire-fighting emergent lamp control circuit according to claim 2 is characterized in that, described charging timing circuit (103) with the DC power supply of outside input as reset signal, and with the civil power a-c cycle as its clock signal; Its charging control output end is exported high level or low level and is picked up counting after each power-on-reset, and then its charging control output end is unsettled to the scheduled time in timing.
4, fire-fighting emergent lamp control circuit according to claim 3 is characterized in that, also comprises a voltage stable circuit (109), and it is stable with control output voltage that its output can be connected to corresponding power expansion device.
5, according to each described fire-fighting emergent lamp control circuit among the claim 1-4, it is characterized in that described each circuit is integrated in the Bi-CMOS chip.
6, a kind of fire emergency lamp comprising transforming circuit, rectification circuit, charging circuit and rechargeable battery, is characterized in that, also comprises:
Be used to detect by the supply voltage of outside input normal voltage detection circuit (102) whether, the output of the described rectification circuit of its input termination, its conversion and control output is connected to the base stage of conversion and control triode Q2 to control its conducting or shutoff, and the power input of described triode Q2 is in parallel with the input of described voltage detection circuit (102);
Be used to control the charging timing circuit (103) in charging interval, the power output end of the described triode Q2 of its input termination, its charging control output end is connected to the base stage of charging control triode Q3 to control its conducting or shutoff, and the power input of described triode Q3 is connected through the power output end of resistance R 1 with described triode Q2.
7, fire emergency lamp according to claim 6 is characterized in that, also comprises:
Be used to detect the battery voltage detection circuit (105) of cell voltage, its input termination battery, its emergent control output end is connected to the base stage of emergent control triode Q4 to control its conducting or shutoff, and the power input of described triode Q4 connects anode;
Battery open circuit display driver circuit (107), its input is connected with the detection output of described battery voltage detection circuit (105), and its fault-signal output is connected to corresponding illuminants part D103 and whether is in open-circuit condition to demonstrate battery;
Battery short circuit protective circuit (106), its input is connected with the detection output of described battery voltage detection circuit (105), and its fault-signal output is connected to the base stage of charging control triode Q3 to control its conducting or shutoff;
And, being used to detect the light source open circuit display driver circuit (108) of whether opening a way in the emergency light loop, its input is connected with the emergency light loop, and its fault-signal output can be connected to corresponding illuminants part D103 and whether be in open-circuit condition to demonstrate battery.
8, fire emergency lamp according to claim 7 is characterized in that, described fire emergency lamp is a fire-fighting emergency headlamp.
9, fire emergency lamp according to claim 7, it is characterized in that, described fire emergency lamp is a fire-fighting emergent sign for safe evacuation lamp, wherein also comprises a voltage stable circuit (109), and its output is connected to the base stage of voltage stabilizing control triode Q1 to control its regulated output voltage value.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420042658 CN2702510Y (en) | 2004-02-17 | 2004-02-17 | Fire-fighting emergency lamp control circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420042658 CN2702510Y (en) | 2004-02-17 | 2004-02-17 | Fire-fighting emergency lamp control circuit |
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| CN2702510Y true CN2702510Y (en) | 2005-05-25 |
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| CN 200420042658 Expired - Fee Related CN2702510Y (en) | 2004-02-17 | 2004-02-17 | Fire-fighting emergency lamp control circuit |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102761150A (en) * | 2011-04-28 | 2012-10-31 | 刘凤娥 | Improved device of emergency escape indicator light |
| CN103179744A (en) * | 2012-11-05 | 2013-06-26 | 刘国清 | Integrated circuit for fire emergency lighting control |
| CN104375097A (en) * | 2014-11-24 | 2015-02-25 | 重庆消防安全技术研究服务有限责任公司 | Firefighting emergency light comprehensive detection system and method |
| CN109031025A (en) * | 2018-08-20 | 2018-12-18 | 上海艾为电子技术股份有限公司 | Open circuit detecting device |
| CN109038790A (en) * | 2018-07-17 | 2018-12-18 | 江苏好的节能光电科技有限公司 | A kind of ship lamps and lanterns emergency set |
| CN110278637A (en) * | 2019-07-10 | 2019-09-24 | 重庆市威诺华光电科技有限公司 | Emergency light controls integrated circuit |
-
2004
- 2004-02-17 CN CN 200420042658 patent/CN2702510Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102761150A (en) * | 2011-04-28 | 2012-10-31 | 刘凤娥 | Improved device of emergency escape indicator light |
| CN103179744A (en) * | 2012-11-05 | 2013-06-26 | 刘国清 | Integrated circuit for fire emergency lighting control |
| CN104375097A (en) * | 2014-11-24 | 2015-02-25 | 重庆消防安全技术研究服务有限责任公司 | Firefighting emergency light comprehensive detection system and method |
| CN104375097B (en) * | 2014-11-24 | 2017-07-28 | 重庆消防安全技术研究服务有限责任公司 | Fire emergency lamp comprehensive detection system and method |
| CN109038790A (en) * | 2018-07-17 | 2018-12-18 | 江苏好的节能光电科技有限公司 | A kind of ship lamps and lanterns emergency set |
| CN109038790B (en) * | 2018-07-17 | 2024-03-19 | 江苏好的节能光电科技有限公司 | Emergency device for ship lamp |
| CN109031025A (en) * | 2018-08-20 | 2018-12-18 | 上海艾为电子技术股份有限公司 | Open circuit detecting device |
| CN110278637A (en) * | 2019-07-10 | 2019-09-24 | 重庆市威诺华光电科技有限公司 | Emergency light controls integrated circuit |
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