CN202617477U - Emergency lamp power supply device - Google Patents
Emergency lamp power supply device Download PDFInfo
- Publication number
- CN202617477U CN202617477U CN 201220244802 CN201220244802U CN202617477U CN 202617477 U CN202617477 U CN 202617477U CN 201220244802 CN201220244802 CN 201220244802 CN 201220244802 U CN201220244802 U CN 201220244802U CN 202617477 U CN202617477 U CN 202617477U
- Authority
- CN
- China
- Prior art keywords
- circuit
- output
- power
- power failure
- emergency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001514 detection method Methods 0.000 claims abstract description 25
- 230000008878 coupling Effects 0.000 claims abstract description 8
- 238000010168 coupling process Methods 0.000 claims abstract description 8
- 238000005859 coupling reaction Methods 0.000 claims abstract description 8
- 239000003990 capacitor Substances 0.000 claims abstract description 7
- 230000003321 amplification Effects 0.000 claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000036581 peripheral resistance Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000005286 illumination Methods 0.000 abstract 2
- 238000001914 filtration Methods 0.000 description 4
- 230000005684 electric field Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
An emergency lamp power supply device is provided. The device comprises an AC-DC converting module, a charging management circuit, an emergency cell, a power failure detection circuit and a power failure switching circuit, an input end of the AC-DC converting module is connected with AC commercial power through a power supply switch, an output end of the AC-DC converting module is respectively connected with an LED bulb and an input end of the charging management circuit, an output end of the charging management circuit is connected with the emergency cell in parallel, two input ends of the power failure detection circuit are connected with AC commercial power through coupling capacitors, an output end of the power failure detection circuit is connected with an input end of the power failure switching circuit, and an output end of the power failure switching circuit are connected with the emergency cell. The device can be sued as emergency illumination and common illumination, the way of changing the present light fixture switch and power supply line is not necessary, and the device can be installed and replaced conveniently.
Description
Technical field
Patent of the present invention relates to a kind of LED emergency light and uses supply unit, relates in particular to a kind ofly to collect general lighting and emergency lighting is the LED lighting power supply device of one.
Background technology
The scheme of traditional emergent lamp power is: when civil power was arranged, the emergency light power supply was in stand-by state always.When having a power failure, relay is connected the emergency cell loop, and to the emergency light power supply, emergency light is lighted.Use the emergency light of this power supply, can not do ordinary lamp and lantern and use, the emergency light power supply becomes direct current by the AC-DC AC-DC converter with interchange and charges to emergency cell.When having a power failure, relay is connected emergency cell, supplies power to emergency luminaire.The scheme of this emergency light power supply has following shortcoming.
1, uses the emergency light of conventional power source device, can only work as emergency light and use (promptly only when mains failure, emergency light is bright), can not do the ordinary lamps use.From economic angle is a kind of huge wasting of resources.
2, owing to can not work as the ordinary lamp and lantern use, use the emergency light of conventional power source can only be installed in some public arenas or department, like airport, station etc.And for the such public place of family and sub-district, not too suitable.
3, the testing circuit of emergency light conventional power source and commutation circuit are used highly energy-consuming devices such as relay, do not meet the theory of present energy-saving design.
Summary of the invention
Described situation above the present invention seeks to be directed against has proposed a kind of supply unit that adopts have a power failure detection loop and power failure commutation circuit emergency light.This emergency power supply unit can be accomplished to discern automatically mains switch and break off and two kinds of different conditions of mains failure, and does not do misoperation.
Technical scheme of the present invention is:
A kind of emergency light supply unit; It comprises: AC-DC modular converter, charge management circuit, emergency cell, power cut detection circuit and power failure commutation circuit; The input of described AC-DC modular converter is connected with electric main through mains switch; The output of AC-DC modular converter links to each other with the charge management circuit input with the LED bulb respectively, and the output of charge management circuit is parallelly connected with emergency cell, and two inputs of described power cut detection circuit are connected with electric main through coupling capacitance; The output of power cut detection circuit links to each other with power failure commutation circuit input, and the output of power failure commutation circuit links to each other with emergency cell.
Described power cut detection circuit comprises operational amplifier U3; And peripheral element R40, R42, R39, R38, R41, C20, C21; Wherein R40, R42 and R39 constitute the amplification regulating loop; R40 and C20 parallel connection constitute low-pass filter circuit; R41 and C21 form filter circuit, and the normal phase input end of described operational amplifier U3 is connected on the live wire of civil power through peripheral resistance R 38 and capacitor C 14, and the inverting input of operational amplifier U3 links to each other with the tie point of R40, R42 and R39; Link to each other with the output of U3 through the R40 low-pass filter circuit that parallel connection constitutes with C20 simultaneously; The earth terminal common ground of the parallel connection of the other end of R39 and R42 and U3 is connected on the zero line of civil power through peripheral resistance and coupling capacitance C18 simultaneously, and the output of U3 and the input of the filter circuit of R41 and C21 composition are that an end of resistance R 41 links to each other; The other end of resistance R 41 is through capacitor C 21 back ground connection, and the tie point of resistance R 41 and capacitor C 21 is the input of the output of the R41 and the filter circuit of C21 composition as the output termination power failure commutation circuit of power cut detection circuit.Described power failure commutation circuit adopts PMOS pipe Q2; The grid of PMOS pipe Q2 and the output of power cut detection circuit are that the output of the R41 and the filter circuit of C21 composition links to each other; The drain electrode of PMOS pipe Q2 is connected with the positive pole of emergency cell, and the source electrode of PMOS pipe Q2 links to each other with the LED bulb.
The method of supplying power to of described emergency light supply unit adopts following steps:
A, when electricity; The input of operational amplifier U3 has 50HZ or the input of the 60HZ city signal of telecommunication; The amplification regulating loop that this city's signal of telecommunication constitutes through R40, R42 and R39 is after the low-pass filter circuit amplification filtering that R40 and C20 parallel connection constitute, by the output output 50HZ of operational amplifier U3 or the square wave of 60HZ; The filter circuit output 5V high level direct current that this square wave is formed through R41 and C21; It is that PMOS pipe Q2 breaks off that this direct current signal makes the power failure commutation circuit, promptly cuts off the loop that emergency cell and LED bulb constitute, and is the LED bulb powered by civil power;
B, when having a power failure; The input of operational amplifier U3 does not have the signal input; The output output 0V low level direct current of the filter circuit that R41 and C21 form; It is PMOS pipe Q2 conducting that this direct current signal makes the power failure commutation circuit, promptly connects the loop that emergency cell and LED bulb constitute, and is the LED bulb powered by emergency cell.
Beneficial effect of the present invention:
1. the present invention can large-scale application close emergency lighting at any illuminated field.And under the situation that does not change present power supply circuits, directly replace ordinary lamp and lantern, simplified the circuit of emergency light greatly, practiced thrift cost, very high economic results in society are arranged, save resource, simple to operate.
2. power cut detection circuit does not influence normal power switch circuit, promptly can not work as power failure to the off state of shift knob.And when real the power failure, can in time detect power cut signal, and start emergency lighting, do not do misoperation, availability is strong.
3. what power failure commutation circuit of the present invention adopted is that volume is little, the P channel-type metal-oxide-semiconductor of good energy saving property, rather than high energy consumption element such as relay, has the effect of environmental protection and energy saving.
Description of drawings
Fig. 1 is the electrical schematic diagram of emergency light supply unit of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is described further.
A kind of emergency light supply unit; It comprises: AC-DC modular converter, charge management circuit, emergency cell, power cut detection circuit and power failure commutation circuit; The input of described AC-DC modular converter is connected with electric main through mains switch, and the output of AC-DC modular converter links to each other with the charge management circuit input with the LED bulb respectively, and this module is converted into direct current with civil power; A part supplies the LED bulb to use; Another part charges to emergency cell, and the output of charge management circuit is parallelly connected with emergency cell, and two inputs of described power cut detection circuit are connected with electric main through coupling capacitance; The output of power cut detection circuit links to each other with power failure commutation circuit input, and the output of power failure commutation circuit links to each other with emergency cell.
Live wire in the civil power is supplied power to emergency cell through mains switch, and through a withstand voltage 2000V, the coupling capacitance C14 of the high pressure low volume of capacity 2200PF receives power cut detection circuit simultaneously.Because some electricity consumption lack of standardization place, through mains switch be zero line rather than live wire, therefore in the present invention, also through a withstand voltage 2000V, the coupling capacitance C18 of the high pressure low volume of capacity 2200PF receives power cut detection circuit with zero line.The power failure detection line is by the operational amplifier U3 of high input impedance, and peripheral R40, R42, and R39, R41, C20, C21 constitutes.U3 and peripheral R40, R42, R39 constitutes the in-phase proportion amplifier, R40 and R42, the ratio of R39 is exactly the multiple of amplifier, and faint city's signal of telecommunication is amplified.R40 and C20 parallel connection constitute low-pass filter circuit, with the target signal filter of 50HZ high frequency, non-or 60HZ.Because the multiplication factor of U3 is very high, output receives the restriction of supply voltage, under the situation that the 50HZ or the 60HZ city signal of telecommunication are arranged, and the square wave of the output of U3 output 50HZ or 60HZ.R41 and C21 constitute a filter circuit, and the square-wave signal of 50HZ or 60HZ is filtered into direct current signal, and this direct current signal is used for controlling the break-make of PMOS pipe Q2.
Having under the situation of civil power, even cut off civil power, but still having the electric field signal of 50HZ or 60HZ to exist in the environment, this signal is coupled to power cut detection circuit through electric capacity.Power cut detection circuit is isolated city's signal of telecommunication of 50HZ or 60HZ through filtering, amplification.After amplification, filtering, the square wave at U3 output output 50HZ or 60HZ passes through R41 again, and C21 filtering becomes direct voltage.This voltage, the control utmost point of control PMOS pipe Q2 turn-offs emergency cell to the loop of light fixture.Emergency cell is not supplied power to light fixture.The output direct current of AC-DC modular converter is supplied power to light fixture.At this moment, if disconnecting power switch, AC-DC modular converter no-output, the LED bulb does not work.The energized switch, the AC-DC modular converter has output, and the LED lamp is lighted, and to the emergency cell charging, just whole emergency light supply unit just is operated under the normal mode simultaneously.Under the situation that does not have city's signal of telecommunication (when promptly having a power failure), just there is not the electric field signal of 50HZ or 60HZ to have the U3 output low level in the line; PMOS manages conducting; The loop of emergency cell and LED bulb composition is connected, and the LED lamp is bright, and system gets into the emergency lighting state.
That the AC-DC modular converter among the present invention adopts is OB2532, and that the module charge management circuit adopts is YB5056, and that circuit computing amplifier U3 adopts is CA3130.
Claims (3)
1. emergency light supply unit; It is characterized in that it comprises: AC-DC modular converter, charge management circuit, emergency cell, power cut detection circuit and power failure commutation circuit; The input of described AC-DC modular converter is connected with electric main through mains switch; The output of AC-DC modular converter links to each other with the charge management circuit input with the LED bulb respectively, and the output of charge management circuit is parallelly connected with emergency cell, and two inputs of described power cut detection circuit are connected with electric main through coupling capacitance; The output of power cut detection circuit links to each other with power failure commutation circuit input, and the output of power failure commutation circuit links to each other with emergency cell.
2. emergency light supply unit according to claim 1; It is characterized in that: power cut detection circuit comprises operational amplifier U3; And peripheral element R40, R42, R39, R38, R41, C20, C21; Wherein R40, R42 and R39 constitute the amplification regulating loop, and R40 and C20 parallel connection constitute low-pass filter circuit, and R41 and C21 form filter circuit; The normal phase input end of described operational amplifier U3 is connected on the live wire of civil power through peripheral resistance R 38 and capacitor C 14; The inverting input of operational amplifier U3 links to each other with the tie point of R40, R42 and R39, links to each other the other end parallel connection of R39 and R42 and the earth terminal common ground of U3 simultaneously with the output of U3 through the R40 low-pass filter circuit that parallel connection constitutes with C20; Be connected on the zero line of civil power through peripheral resistance and coupling capacitance C18 simultaneously; The input of the filter circuit that the output of U3 and R41 and C21 form is that an end of resistance R 41 links to each other, and the other end of resistance R 41 is through capacitor C 21 back ground connection, and the tie point of resistance R 41 and capacitor C 21 is that the output of filter circuit of R41 and C21 composition is as the input of the output termination power failure commutation circuit of power cut detection circuit.
3. emergency light supply unit according to claim 1; It is characterized in that: described power failure commutation circuit adopts PMOS pipe Q2; The grid of PMOS pipe Q2 and the output of power cut detection circuit are that the output of the R41 and the filter circuit of C21 composition links to each other; The drain electrode of PMOS pipe Q2 is connected with the positive pole of emergency cell, and the source electrode of PMOS pipe Q2 links to each other with the LED bulb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220244802 CN202617477U (en) | 2012-05-29 | 2012-05-29 | Emergency lamp power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220244802 CN202617477U (en) | 2012-05-29 | 2012-05-29 | Emergency lamp power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202617477U true CN202617477U (en) | 2012-12-19 |
Family
ID=47351141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220244802 Expired - Fee Related CN202617477U (en) | 2012-05-29 | 2012-05-29 | Emergency lamp power supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202617477U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102685994A (en) * | 2012-05-29 | 2012-09-19 | 耿波 | Emergency lamp power supply device |
| CN103354684A (en) * | 2013-07-18 | 2013-10-16 | 宁波市乐星感应电器有限公司 | Emergency lamp circuit structure and emergency lamp control method |
| CN104066223A (en) * | 2013-03-22 | 2014-09-24 | 深圳市海洋王照明工程有限公司 | Emergency lamp circuit and emergency illuminating lamp |
| CN104333953A (en) * | 2014-10-16 | 2015-02-04 | 刘胜泉 | Intelligent lamp circuit |
| CN104333942A (en) * | 2014-09-25 | 2015-02-04 | 广东旭翔照明有限公司中山分公司 | A light circuit device with functions of general lighting and emergency lighting integrated |
| CN114665588A (en) * | 2022-04-07 | 2022-06-24 | 唐子洋 | Controllable emergency power supply |
-
2012
- 2012-05-29 CN CN 201220244802 patent/CN202617477U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102685994A (en) * | 2012-05-29 | 2012-09-19 | 耿波 | Emergency lamp power supply device |
| WO2013177980A1 (en) * | 2012-05-29 | 2013-12-05 | Geng Bo | Power supply device of emergency light |
| CN102685994B (en) * | 2012-05-29 | 2014-05-14 | 耿波 | Emergency lamp power supply device |
| CN104066223A (en) * | 2013-03-22 | 2014-09-24 | 深圳市海洋王照明工程有限公司 | Emergency lamp circuit and emergency illuminating lamp |
| CN104066223B (en) * | 2013-03-22 | 2016-12-28 | 深圳市海洋王照明工程有限公司 | Emergency light circuit and emergency light |
| CN103354684A (en) * | 2013-07-18 | 2013-10-16 | 宁波市乐星感应电器有限公司 | Emergency lamp circuit structure and emergency lamp control method |
| CN103354684B (en) * | 2013-07-18 | 2015-04-15 | 宁波市乐星感应电器有限公司 | Emergency lamp control method |
| CN104333942A (en) * | 2014-09-25 | 2015-02-04 | 广东旭翔照明有限公司中山分公司 | A light circuit device with functions of general lighting and emergency lighting integrated |
| CN104333953A (en) * | 2014-10-16 | 2015-02-04 | 刘胜泉 | Intelligent lamp circuit |
| CN114665588A (en) * | 2022-04-07 | 2022-06-24 | 唐子洋 | Controllable emergency power supply |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102685994B (en) | Emergency lamp power supply device | |
| CN202617477U (en) | Emergency lamp power supply device | |
| CN106028567B (en) | A kind of emergency lighting circuit and emergency light | |
| CN102625542A (en) | Centralized power supply comprehensive intelligent control system supplying power for outdoor lighting system | |
| CN103025001A (en) | Emergency lighting system capable of detecting line tiny electric signal | |
| CN103762712B (en) | A kind of remodeling method that outdoor illuminating system is carried out to centrally connected power supply | |
| CN103517524B (en) | Led emergency controller | |
| CN202696997U (en) | Intelligent light emitting diode (LED) illuminating bulb lamp | |
| CN103716941A (en) | Light-operated street-lamp circuit | |
| CN102820695B (en) | Emergency power supply system special for intelligent energy-saving fire control emergency lamp | |
| CN202565526U (en) | Centralized power supply comprehensive intelligent control system supplying power for station lighting system | |
| CN203872387U (en) | Power off non-stroboscopic second gear dimmable LED driving power supply | |
| CN203327286U (en) | Emergency illumination system capable of detecting micro electrical line signal | |
| CN104684156A (en) | Emergency illumination lamp control circuit and lamp | |
| CN103354679A (en) | Emergency lighting device based on small electric signals in detection circuit | |
| CN203181305U (en) | Emergency lighting device based on small electrical signals in detection circuit | |
| CN201813358U (en) | Electronic switch with fire protection urgent control function | |
| CN206136380U (en) | Fluorescent tube circuit | |
| CN218301689U (en) | Wisdom thing allies oneself with commercial power street lamp controller | |
| CN205812462U (en) | A kind of emergency lighting circuit and emergency light | |
| CN206879160U (en) | An Intelligently Controlled Classroom Lighting System | |
| SK50532010A3 (en) | Involvement of the main and emergency lighting | |
| CN203467043U (en) | Led emergency controller | |
| CN204180367U (en) | A kind of single lamp power saver with failure protection function | |
| CN204335029U (en) | A kind of power failure controllable type lighting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: JIANGSU KEN LIGHTING CO., LTD. Assignor: Geng Bo Contract record no.: 2013990000362 Denomination of utility model: Emergency lamp power supply device Granted publication date: 20121219 License type: Exclusive License Record date: 20130701 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121219 Termination date: 20150529 |
|
| EXPY | Termination of patent right or utility model |