CN201386972Y - Automatic non-interruption rotary storage battery LED emergency light - Google Patents
Automatic non-interruption rotary storage battery LED emergency light Download PDFInfo
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- CN201386972Y CN201386972Y CN200920126917U CN200920126917U CN201386972Y CN 201386972 Y CN201386972 Y CN 201386972Y CN 200920126917 U CN200920126917 U CN 200920126917U CN 200920126917 U CN200920126917 U CN 200920126917U CN 201386972 Y CN201386972 Y CN 201386972Y
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Abstract
The utility model discloses an automatic non-interruption rotary storage battery LED emergency light which comprises a rectification circuit (1), wherein an output end of the rectification circuit (1) is connected with an input end of a voltage lowering and stabilizing circuit (2), an output end of the voltage lowering and stabilizing circuit (2) is connected with an LED lamp group (3), the automatic non-interruption rotary storage battery LED emergency light is characterized in that the output end of the rectification circuit (1) is further connected with an input end of a charging circuit (4), an output end of the charging circuit (4) is connected with the LED lamp group (3), a charging and releasing end of the charging circuit (4) is connected with a storage battery (5), the automatic non-interruption rotary storage battery LED emergency light has the prominent effects that a driving circuit has simple and light structure, and low cost, the LED lamps are driven by the LED driving circuit to work in normal work, the LED lamps have no strobo flash, the storage battery can be automatically switched to provide power in service interruption, and the work of the LED lamps does not have interruption.
Description
Technical field
This practicality belongs to a kind of emergency light, and relating to a kind of automatic free of discontinuities specifically changes battery LED emergency light.
Background technology
The emergency light energy consumption height of conventional security illumination, efficient is low, uses the emergency light of big electric current, and battery is short service life, and volume is big, and operable time is short.
Existing LED emergency light, luminous efficiency height, power-saving can fully prolong lighting hours after the power failure, thereby reaches the purpose of energy-conservation emergency lighting.The battery volume of LED emergency light is little, and the life-span is long; But the led drive circuit complex structure of existing LED emergency light, supply voltage instability during work, emergency light has stroboscopic, and when power failure switched to the storage battery power supply illumination, the emergency light illumination had interruption.
The shortcoming of prior art is: existing LED emergency light, and the driving circuit structure complexity, supply voltage has stroboscopic when unstable, and automatic free of discontinuities switches to the storage battery power supply illumination when having a power failure, and the emergency light illumination has interruption.
The utility model content
Problem to be solved in the utility model is to provide a kind of automatic free of discontinuities to change battery LED emergency light, the driving circuit structure of this LED emergency light is simple, the LED emergency light does not have stroboscopic during normal illumination, and automatic free of discontinuities is switched the storage battery power supply illumination during power failure, emergency light illumination free of discontinuities.
The technical solution of the utility model is as follows: a kind of automatic free of discontinuities is changeed battery LED emergency light, comprise rectification circuit, the input of the output termination decompression voltage regulator of this rectification circuit, the output termination LED lamp group of this decompression voltage regulator, its key is: the output of described rectification circuit also connects the input of charging circuit, the described LED lamp of this charging circuit output termination group, described charging circuit charge-discharge end connects battery.
Rectification circuit carries out rectification to the voltage of input, and output DC is pressed onto decompression voltage regulator, the work of decompression voltage regulator output dc low-voltage electricity driving LED lamp group, charge a battery by charging circuit simultaneously, after the power failure, automatically work by charging circuit driving LED lamp group by battery, thereby make LED lamp illumination free of discontinuities.
Described rectification circuit is provided with electric bridge, the input termination civil power of this electric bridge, the input of the described decompression voltage regulator of output termination.
Described decompression voltage regulator is provided with first triode, this first transistor collector connects the output of described electric bridge, the base stage of first triode connects the colelctor electrode of second triode, the colelctor electrode of this second triode is also gone here and there the output that connects described electric bridge behind first resistance, the emitter stage of second triode connects the first voltage-stabiliser tube positive pole, this first voltage-stabiliser tube minus earth, connect the emitter stage of described first triode behind base stage string second resistance of second triode, the emitter stage of this first triode connects described LED lamp group, and the emitter stage output dc low-voltage electricity of this first triode is given LED lamp group.
Electric bridge carries out rectification to the 220V civil power of input, electric bridge output termination decompression voltage regulator input, decompression voltage regulator output output low-voltage DC, second triode T2 conducting during work, the second triode T2 colelctor electrode connects the anode of first voltage-stabiliser tube, the output voltage that can guarantee decompression voltage regulator is constant, makes the emitter stage outputting drive voltage of the first triode T1, the work of driving LED lamp group.
Cross-over connection has first electric capacity between the output of described electric bridge and the ground.
First electric capacity carries out filtering to the voltage of electric bridge output, prevents High-frequency Interference.
Cross-over connection has electrochemical capacitor between the emitter stage of described first triode and the ground.
The emitter stage of positive termination first triode of electrochemical capacitor, negativing ending grounding makes the dc voltage stability of output, does not have stroboscopic when guaranteeing the work of LED lamp group.
Described charging circuit is provided with the 3rd triode, connect the output of described electric bridge behind colelctor electrode string the 3rd resistance of the 3rd triode, connect the output of described electric bridge behind the 3rd transistor base string the 4th resistance, emitter stage connects the positive pole of battery, the minus earth of this battery, the base stage of described the 3rd triode also connects the colelctor electrode of the 4th triode, the base stage of the 4th triode connects the negative pole of second voltage-stabiliser tube, the positive pole of this second voltage-stabiliser tube connects the emitter stage of described the 3rd triode, ground connection behind emitter stage string the 5th resistance of the 4th triode;
Described the 3rd transistor emitter also connects the colelctor electrode of the 5th triode, connect the negative pole of the 3rd voltage-stabiliser tube behind base stage string the 6th resistance of the 5th triode, the positive pole of the 3rd voltage-stabiliser tube connects described the 3rd transistor emitter, ground connection behind emitter stage string the 7th resistance of the 5th triode, the emitter stage of described the 5th triode also connects the base stage of the 6th triode, the colelctor electrode of the 6th triode connects described the 3rd transistor emitter, an end of switch is selected in the emitter stage selecting of the 6th triode, the emitter stage of described first triode of another termination of this selector switch.
During charging, electric bridge passes through the 3rd triode to storage battery power supply, second voltage-stabiliser tube guarantees battery high-pressure side high pressure all the time, if battery underfill this moment, charging circuit can charge a battery, if the battery electricity is full of, then the 4th triode conducting, charging circuit is no longer to charge in batteries.
During outage, battery drives the 5th triode T5 and the 6th triode T6 conducting, the 6th triode T6 emitter stage output dc voltage, the work of driving LED lamp group.After work a period of time, when battery tension dropped to the 3rd voltage-stabiliser tube DZ3 cathode voltage, the 5th triode T5 base stage did not have input voltage, and the 5th triode T5 and the 6th triode T6 turn-off, charging circuit no-output voltage, and the LED lamp quits work.
This charging circuit is simple in structure, and the LED lamp does not have stroboscopic, can the unremitting automatically storage battery power supply that switches to when having a power failure.
Whether can need charging circuit and battery-operated this moment by the folding control of selector switch K.
Described LED lamp group is made up of lamp group arranged side by side, and each lamp group all is cascaded by several LED lamps and forms.
Any one lamp group is damaged does not influence other lamp group operate as normal.
Cross-over connection has anti-lightning strike resistance (P) between two inputs of described electric bridge.
Remarkable result of the present utility model is: driving circuit structure is simple, and is light, and cost is low, work by led drive circuit driving LED lamp in the time of operate as normal, the LED lamp does not have stroboscopic, power failure the time can the unremitting automatically storage battery power supply that switches to, LED lamp work free of discontinuities.
Description of drawings
Fig. 1 is an annexation block diagram of the present utility model,
Fig. 2 is a circuit diagram of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in Figure 1, a kind of automatic free of discontinuities is changeed battery LED emergency light, comprise rectification circuit 1, the input of the output termination decompression voltage regulator 2 of this rectification circuit 1, the output termination LED lamp group 3 of this decompression voltage regulator 2, the output of described rectification circuit 1 also connects the input of charging circuit 4, the described LED lamp of these charging circuit 4 output terminations group 3, and described charging circuit 4 charge-discharge end connect battery 5.
As shown in Figure 2, described rectification circuit 1 is provided with electric bridge D, connects civil power behind the input string decompression capacitor C of this electric bridge D, the input of the described decompression voltage regulator 2 of output termination of electric bridge D.
Described decompression voltage regulator 2 is provided with the first triode T1, this first triode T1 colelctor electrode connects the output of described electric bridge D, this colelctor electrode cross-over connection first capacitor C 1 also and between ground, the base stage of this first triode T1 connects the colelctor electrode of the second triode T2, the colelctor electrode of this second triode T2 is also gone here and there the colelctor electrode that meets the described first triode T1 after first resistance R 1, the emitter stage of the second triode T2 connects the first voltage-stabiliser tube DZ positive pole, this first voltage-stabiliser tube DZ minus earth, connect the emitter stage of the described first triode T1 after base stage string second resistance R 2 of the second triode T2, cross-over connection electrochemical capacitor C2 between this emitter stage and the ground, the emitter stage of this first triode T1 connects described LED lamp group 3, and the emitter stage output dc low-voltage electricity of this first triode T1 is given LED lamp group 3.
Described charging circuit 4 is provided with the 3rd triode T3, connect the output of described electric bridge D after colelctor electrode string the 3rd resistance R 3 of the 3rd triode T3, connect the output of described electric bridge D after the 3rd triode T3 base stage string the 4th resistance R 4, emitter stage connects the positive pole of battery 5, the minus earth of this battery 5, the base stage of described the 3rd triode T3 also connects the colelctor electrode of the 4th triode T4, the base stage of the 4th triode T4 connects the negative pole of the second voltage-stabiliser tube DZ2, the positive pole of this second voltage-stabiliser tube DZ2 connects the emitter stage of described the 3rd triode T3, emitter stage string the 5th resistance R 5 back ground connection of the 4th triode T4
Described the 3rd triode T3 emitter stage also connects the colelctor electrode of the 5th triode T5, connect the negative pole of the 3rd voltage-stabiliser tube DZ3 after base stage string the 6th resistance R 6 of the 5th triode T5, the positive pole of the 3rd voltage-stabiliser tube DZ3 connects described the 3rd triode T3 emitter stage, emitter stage string the 7th resistance R 7 back ground connection of the 5th triode T5, the emitter stage of described the 5th triode T5 also connects the base stage of the 6th triode T6, the colelctor electrode of the 6th triode T6 connects described the 3rd triode T3 emitter stage, an end of K switch is selected in the emitter stage selecting of the 6th triode T6, the emitter stage of the described first triode T1 of another termination of this selector switch K.
Described LED lamp group 3 is made up of lamp group arranged side by side, and each lamp group all is cascaded by several LED lamps and forms.
Cross-over connection has anti-lightning strike resistance P between two inputs of described electric bridge D.
Its working condition is as follows: during operate as normal, the civil power of 1 pair of input of rectification circuit carries out rectification, and the rectified current of output is charged by 4 pairs of batteries 5 of charging circuit simultaneously through 3 work of decompression voltage regulator driving LED lamp group; If the battery electricity is full of, then T4 conducting, charging circuit is not to charge in batteries; The emitter stage of the 3rd triode T3 also is connected with the base stage of the 5th triode T5, the 5th triode T5 conducting during operate as normal, and the 6th triode T6 conducting, the emitter stage of the 6th triode T6 is to LED lamp group 3 output low-voltage DCs.
After the power failure, the 5th triode T5 conducting that battery positive voltage connects, the 6th triode T6 conducting, the 6th triode T6 emitter stage output dc voltage, 3 work of driving LED lamp group, this moment can be by the folding control LED lamp group 3 of selector switch K, after work a period of time, when battery tension drops to the 3rd voltage-stabiliser tube DZ3 cathode voltage, the 5th triode T5 base stage does not have input voltage, and the 5th triode T5 turn-offs, and the 6th triode T6 turn-offs, the 6th triode T6 emitter stage no-output voltage, the LED lamp quits work.
Claims (8)
1, a kind of automatic free of discontinuities is changeed battery LED emergency light, comprise rectification circuit (1), the input of the output termination decompression voltage regulator (2) of this rectification circuit (1), the output termination LED lamp group (3) of this decompression voltage regulator (2), it is characterized in that: the output of described rectification circuit (1) also connects the input of charging circuit (4), this charging circuit (4) output termination described LED lamp group (3), described charging circuit (4) charge-discharge end connects battery (5).
2, change battery LED emergency light according to the described automatic free of discontinuities of claim 1, it is characterized in that: described rectification circuit (1) is provided with electric bridge (D), the input termination civil power of this electric bridge (D), the input of the output described decompression voltage regulator of termination (2).
3, change battery LED emergency light according to the described automatic free of discontinuities of claim 1, it is characterized in that: described decompression voltage regulator (2) is provided with first triode (T1), this first triode (T1) colelctor electrode connects the output of described electric bridge (D), the base stage of first triode (T1) connects the colelctor electrode of second triode (T2), the colelctor electrode of this second triode (T2) is also gone here and there the output that meets described electric bridge (D) behind first resistance (R1), the emitter stage of second triode (T2) connects first voltage-stabiliser tube (DZ) positive pole, this first voltage-stabiliser tube (DZ) minus earth, connect the emitter stage of described first triode (T1) behind base stage string second resistance (R2) of second triode (T2), the emitter stage of this first triode (T1) connects described LED lamp group (3), and the emitter stage output dc low-voltage electricity of this first triode (T1) is given LED lamp group (3).
4, change battery LED emergency light according to the described automatic free of discontinuities of claim 2, it is characterized in that: cross-over connection has first electric capacity (C1) between the output of described electric bridge (D) and the ground.
5, change battery LED emergency light according to the described automatic free of discontinuities of claim 3, it is characterized in that: cross-over connection has electrochemical capacitor (C2) between the emitter stage of described first triode (T1) and the ground.
6, change battery LED emergency light according to the described automatic free of discontinuities of claim 1, it is characterized in that: described charging circuit (4) is provided with the 3rd triode (T3), connect the output of described electric bridge (D) behind colelctor electrode string the 3rd resistance (R3) of the 3rd triode (T3), connect the output of described electric bridge (D) behind the 3rd triode (T3) base stage string the 4th resistance (R4), emitter stage connects the positive pole of described battery (5), the minus earth of this battery (5), the base stage of described the 3rd triode (T3) also connects the colelctor electrode of the 4th triode (T4), the base stage of the 4th triode (T4) connects the negative pole of second voltage-stabiliser tube (DZ2), the positive pole of this second voltage-stabiliser tube (DZ2) connects the emitter stage of described the 3rd triode (T3), emitter stage string the 5th resistance (R5) the back ground connection of the 4th triode (T4);
Described the 3rd triode (T3) emitter stage also connects the colelctor electrode of the 5th triode (T5), connect the negative pole of the 3rd voltage-stabiliser tube (DZ3) behind base stage string the 6th resistance (R6) of the 5th triode (T5), the positive pole of the 3rd voltage-stabiliser tube (DZ3) connects described the 3rd triode (T3) emitter stage, emitter stage string the 7th resistance (R7) the back ground connection of the 5th triode (T5), the emitter stage of described the 5th triode (T5) also connects the base stage of the 6th triode (T6), the colelctor electrode of the 6th triode (T6) connects described the 3rd triode (T3) emitter stage, an end of switch (K) is selected in the emitter stage selecting of the 6th triode (T6), the emitter stage of described first triode of another termination of this selector switch (K) (T1).
7, change battery LED emergency light according to the described automatic free of discontinuities of claim 1, it is characterized in that: described LED lamp group (3) is made up of lamp group arranged side by side, and each lamp group all is cascaded by several LED lamps and forms.
8, change battery LED emergency light according to the described automatic free of discontinuities of claim 1, it is characterized in that: cross-over connection has anti-lightning strike resistance (P) between two inputs of described electric bridge (D).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920126917U CN201386972Y (en) | 2009-04-03 | 2009-04-03 | Automatic non-interruption rotary storage battery LED emergency light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920126917U CN201386972Y (en) | 2009-04-03 | 2009-04-03 | Automatic non-interruption rotary storage battery LED emergency light |
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| Publication Number | Publication Date |
|---|---|
| CN201386972Y true CN201386972Y (en) | 2010-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920126917U Expired - Fee Related CN201386972Y (en) | 2009-04-03 | 2009-04-03 | Automatic non-interruption rotary storage battery LED emergency light |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102801204A (en) * | 2012-08-31 | 2012-11-28 | 王良根 | 240V high-voltage direct current power supply system and method |
| CN103826348A (en) * | 2012-11-16 | 2014-05-28 | 海洋王（东莞）照明科技有限公司 | Lamp and auxiliary lighting circuit thereof |
| CN103841715A (en) * | 2012-11-27 | 2014-06-04 | 海洋王（东莞）照明科技有限公司 | Lamp and emergency lighting circuit thereof |
| CN105226791A (en) * | 2015-10-27 | 2016-01-06 | 江苏科技大学 | A kind of rechargeable three-dimensional printer |
| CN105299573A (en) * | 2015-12-03 | 2016-02-03 | 上海航空电器有限公司 | Ship internal LED illuminating lamp having emergent illuminating function |
| CN105357802A (en) * | 2015-11-30 | 2016-02-24 | 广东酷柏光电股份有限公司 | LED high-low voltage panic lamp strip |
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2009
- 2009-04-03 CN CN200920126917U patent/CN201386972Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102801204A (en) * | 2012-08-31 | 2012-11-28 | 王良根 | 240V high-voltage direct current power supply system and method |
| CN103826348A (en) * | 2012-11-16 | 2014-05-28 | 海洋王（东莞）照明科技有限公司 | Lamp and auxiliary lighting circuit thereof |
| CN103841715A (en) * | 2012-11-27 | 2014-06-04 | 海洋王（东莞）照明科技有限公司 | Lamp and emergency lighting circuit thereof |
| CN103841715B (en) * | 2012-11-27 | 2016-12-28 | 海洋王（东莞）照明科技有限公司 | Light fixture and emergency lighting circuit thereof |
| CN105226791A (en) * | 2015-10-27 | 2016-01-06 | 江苏科技大学 | A kind of rechargeable three-dimensional printer |
| CN105357802A (en) * | 2015-11-30 | 2016-02-24 | 广东酷柏光电股份有限公司 | LED high-low voltage panic lamp strip |
| CN105299573A (en) * | 2015-12-03 | 2016-02-03 | 上海航空电器有限公司 | Ship internal LED illuminating lamp having emergent illuminating function |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100120 Termination date: 20150403 |
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| EXPY | Termination of patent right or utility model |