CN105554957A - LED lighting emergency integrated lamp and control system - Google Patents
LED lighting emergency integrated lamp and control system Download PDFInfo
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- CN105554957A CN105554957A CN201610067912.XA CN201610067912A CN105554957A CN 105554957 A CN105554957 A CN 105554957A CN 201610067912 A CN201610067912 A CN 201610067912A CN 105554957 A CN105554957 A CN 105554957A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/38—Switched mode power supply [SMPS] using boost topology
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/40—Details of LED load circuits
- H05B45/44—Details of LED load circuits with an active control inside an LED matrix
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/385—Switched mode power supply [SMPS] using flyback topology
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/17—Operational modes, e.g. switching from manual to automatic mode or prohibiting specific operations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention relates to an LED lighting emergency integrated lamp and a control system. The LED lighting emergency integrated lamp comprises an AC-DC power supply, a battery pack, a booster circuit, a switch detection circuit and an LED lamp string parallel-connection group, wherein the AC-DC power supply charges the battery pack and supplies electricity to the booster circuit when electric supply is normal and an emergency switch is turned on; the AC-DC power supply stops supplying the electricity when the electric supply is normal and the emergency switch is turned off; the battery pack supplies electricity to the switch detection circuit and the booster circuit when the electric supply is abnormal; the switch detection circuit is used for driving the booster circuit to run when the electric supply is abnormal and the emergency switch is turned on; and the switch detection circuit is also used for stopping driving the booster circuit when the electric supply is abnormal and the emergency switch is turned off. No matter the electric supply is normal or abnormal, the LED lighting emergency integrated lamp and the control system can turn on or off the LED lamp string parallel-connection group, so that the problem that a traditional emergency switch can only turn on the LED lamp string parallel-connection group in a power failure is solved.
Description
Technical field
The present invention relates to technical field of LED illumination, particularly relate to a kind of LED illumination and to meet an urgent need integrated lamp and control system.
Background technology
Along with the development of LED illumination technology, in order to ensure still can to provide illumination to people when city's electrical anomaly, LED illumination integrated lamp of meeting an urgent need obtains and applies more and more widely.
For traditional LED illumination emergency flight control system, once city's electrical anomaly and stopping power supply, as long as closed by emergency button, namely LED illumination integrated lamp of meeting an urgent need starts inner energy-storage battery, and powers to LED connection in series-parallel group.Under normal circumstances, the LED illumination power supply of integrated lamp duration of meeting an urgent need of meeting an urgent need is 2-3 hour altogether.But in traditional LED illumination emergency flight control system, emergency button only possesses the function of opening LED connection in series-parallel group when having a power failure.Therefore when having a power failure once emergency button closes, LED connection in series-parallel group will continued power until the electricity of energy-storage battery exhausts.
Summary of the invention
Based on this; the problem of LED connection in series-parallel group can only be opened when having a power failure for how overcoming above-mentioned emergency button; the invention provides a kind of LED illumination to meet an urgent need integrated lamp and control system; the problems referred to above can be overcome; make emergency button no matter when civil power is normal or abnormal, all can open or close LED connection in series-parallel group.
A kind of LED illumination is met an urgent need integrated lamp, be connected with emergency button, and described emergency button is connected to civil power live wire end and LED illumination is met an urgent need between integrated lamp, described LED illumination integrated lamp of meeting an urgent need comprises AC-DC power supply, battery pack, booster circuit, switch detection circuit and LED connection in series-parallel group; Described AC-DC power supply, switch detection circuit are all connected with described emergency button, civil power zero line side.
Described AC-DC power supply is powered to booster circuit to batteries charging when civil power is normal and emergency button closes, and described AC-DC power supply stops power supply when civil power is normal and emergency button disconnects; Described booster circuit, for driving described LED connection in series-parallel group; Described battery pack, powers to described switch detection circuit and booster circuit when city's electrical anomaly; Described switch detection circuit be used at city's electrical anomaly and emergency button closes time drive described booster circuit to run, described switch detection circuit also at city's electrical anomaly and emergency button disconnect time stop driving described booster circuit.
Wherein in an embodiment, described switch detection circuit is connected with electrical network internal resistance by emergency button; Described battery pack, switch detection circuit, emergency button, electrical network internal resistance form loop when emergency button closes, and described loop disconnects when emergency button disconnects;
Described switch detection circuit drives described booster circuit to run when described loop is formed, and described switch detection circuit stops when described loop disconnects driving described booster circuit.
Wherein in an embodiment, described switch detection circuit comprises the detecting unit and driver element that are connected; Described detecting unit exports Continuity signal when described loop is formed, and described detecting unit is out of service when described loop disconnects; Described driver element is used for driving described booster circuit to run according to described Continuity signal.
Wherein in an embodiment, described detecting unit comprises: resistance R43, resistance R58, triode Q2, resistance R41 and resistance R47;
One end of described resistance R43 is connected with emergency button; Described resistance R41 is connected between civil power zero line side and ground; The emitter of described triode Q2 and one end of resistance R58 access the supply power voltage of described battery pack jointly, the base stage of described triode Q2 is connected with the other end of resistance R58, the other end of resistance R43 respectively, the collector electrode of described triode Q2 is connected with resistance R47, and the collector electrode of described triode Q2 is connected with described driver element with the common port of resistance R47, the other end ground connection of described resistance R47.
Wherein in an embodiment, described driver element comprises MCU chip U7, resistance R44, triode Q12 and resistance R71;
The first input end of described MCU chip U7 connects the output of described detecting unit, and second input of described MCU chip U7 accesses the supply power voltage of described battery pack, and the output of described MCU chip U7 connects one end of described resistance R44; The base stage of described triode Q12 connects the other end of described resistance R44, and the collector electrode of described triode Q12 accesses the supply power voltage of described battery pack, and the emitter of described triode Q12 connects one end of described resistance R71; The other end of described resistance R71 connects the input of described booster circuit.
Wherein in an embodiment, described booster circuit comprises the power control unit and boosting unit that are connected; Described power control unit when civil power is normal and emergency button closes using described AC-DC power supply as power supply, described power control unit also at city's electrical anomaly and emergency button closes time using described battery pack as power supply; Described boosting unit, for providing the voltage being suitable for the work of described LED connection in series-parallel group according to described power supply.
Wherein in an embodiment, described power control unit comprises resistance R41, triode Q12, resistance R42, resistance R56, metal-oxide-semiconductor Q9, diode D16, polar capacitor C29 and inductance L 11;
One end of described resistance R41 connects the output of described switch detection circuit; The collector electrode of described triode Q12 is connected with one end of resistance R42, and the base stage of described triode Q12 is connected with the other end of resistance R41, the grounded emitter of described triode Q12; The other end of described resistance R42 is connected with one end of resistance R56; The grid of described metal-oxide-semiconductor Q9 connects the common port of described resistance R42 and resistance R56, and the described drain electrode of metal-oxide-semiconductor Q9 and the other end of resistance R56 access the supply power voltage of described battery pack jointly, and the source electrode of described metal-oxide-semiconductor Q9 is connected with the positive pole of described diode D16; The negative pole of described diode D16 is connected with the positive pole of polar capacitor C29, one end of inductance L 11 respectively, and the common port of described polar capacitor C29 and inductance L 11 also accesses the supply power voltage of AC-DC power supply; The other end ground connection of described polar capacitor C29; The other end of described inductance L 11 connects described boosting unit.
Wherein in an embodiment, described boosting unit comprises resistance R63, electric capacity C20, voltage stabilizing didoe ZD24, resistance R48, electric pressure converter U6, electric capacity C25, resistance R49, electric capacity C26, resistance R55, electric capacity C27, resistance R50, metal-oxide-semiconductor Q7, resistance R53, resistance R25, diode D12 and polar capacitor C21;
One end of described resistance R63 connects the common port of described metal-oxide-semiconductor Q9 and diode D16, one end of described resistance R48 is connected with one end of electric capacity C25, 8th pin of described electric pressure converter U6 respectively with the other end of resistance R63, one end of electric capacity C20, the negative pole of voltage stabilizing didoe ZD24 and the other end of resistance R48 connect, 7th pin of described electric pressure converter U6 connects one end of electric capacity C27, 6th pin of described electric pressure converter U6 is connected with the source electrode of metal-oxide-semiconductor Q7, 5th pin of described electric pressure converter U6 is connected with one end of resistance R50, 4th pin of described electric pressure converter U6 is connected with one end of resistance R55, 3rd pin of described electric pressure converter U6 is connected with one end of resistance R49, 2nd pin of described electric pressure converter U6 is connected with the common port of resistance R48 and electric capacity C25, the other end of described resistance R49 is connected with one end of electric capacity C26, the other end of described resistance R55 connects the negative pole of LED connection in series-parallel group, the other end of described electric capacity C20 and the positive pole common ground of voltage stabilizing didoe ZD24, 1st pin of the other end of described electric capacity C25, the other end of electric capacity C26, electric pressure converter U6 and the equal ground connection of the other end of electric capacity C27,
The grid of described metal-oxide-semiconductor Q7 is connected with the other end of described resistance R50, and the source electrode of described metal-oxide-semiconductor Q7 is also connected with one end of described resistance R53, and the drain electrode of described metal-oxide-semiconductor Q7 is connected with the common port of described inductance L 11 and diode D12; The other end of described resistance R53 and one end common ground of resistance R25, the other end of described resistance R25 connects the negative pole of LED connection in series-parallel group; The negative pole of described diode D12 is connected the positive pole of LED connection in series-parallel group jointly with the positive pole of polar capacitor C21, the minus earth of described polar capacitor C21.
Wherein in an embodiment, described AC-DC power supply comprises protective tube F1, bridge rectifier diode DB1, resistance R3, resistance R4, resistance R15, resistance R14, chip U1, polar capacitor C2, diode D1, resistance R18, resistance R20, metal-oxide-semiconductor Q3, resistance R17, electric capacity C12, resistance R19, electric capacity C17, resistance R22, resistance R8, electric capacity C5, diode D2, polar capacitor C3, transformer T1, diode D4, polar capacitor C8, diode D3 and polar capacitor C7;
One end of described protective tube F1 connects emergency button, and the other end of described protective tube F1 is connected with the live wire AC port of bridge rectifier diode DB1; The zero line AC port of described bridge rectifier diode DB1 is connected with civil power zero line side, and the positive pole of described bridge rectifier diode DB1 is connected with the first port of one end of one end of one end of resistance R3, resistance R8, electric capacity C5, the positive pole of polar capacitor C3, the armature winding of transformer T1 respectively; The other end of described electric capacity C5 is connected with the negative pole of diode D2, the other end of resistance R8 respectively; The positive pole of described diode D2 is connected with the second port of the armature winding of transformer T1;
The VCC pin of described chip U1 is connected with the negative pole of one end of resistance R4, the positive pole of polar capacitor C2 and diode D1 respectively, the other end of described resistance R4 is connected with the other end of resistance R3, the positive pole of described diode D1 is connected with the first port of one end of resistance R15 and secondary first winding of transformer T1 respectively, and the other end of described resistance R15 is connected with one end of resistance R14; The FB pin of described chip U1 is connected with the common port of resistance R15 and resistance R14; The OUT pin of described chip U1 is connected with one end of resistance R18, the other end of described resistance R18 is connected with one end of resistance R20, the grid of metal-oxide-semiconductor Q3 respectively, the drain electrode of described metal-oxide-semiconductor Q3 connects the common port of described diode D2 and transformer T1, and the source electrode of described metal-oxide-semiconductor Q3 is connected with the other end of described resistance R20, one end of resistance R19, one end of resistance R22 respectively; COMP pin, the resistance R17 and electric capacity C12 of described chip U1 connect successively; The CS pin of described chip U1 is connected with one end of electric capacity C17, the other end of resistance R19 respectively, the other end of described electric capacity C17 and the other end common ground of resistance R22; The equal ground connection of second port of secondary first winding of the GND pin of the negative pole of described bridge rectifier diode DB1, the other end of resistance R14, chip U1, the negative pole of polar capacitor C2, the other end of electric capacity C12, the negative pole of polar capacitor C3 and transformer T1;
First port of secondary second winding of described transformer T1 connects the positive pole of diode D4, and the negative pole of described diode D4 is connected with the positive pole of polar capacitor C8, and the common port of described polar capacitor C8 and diode D4 is used for providing supply power voltage to booster circuit; The tap common ground of the negative pole of described polar capacitor C8 and secondary second winding of transformer T1;
Second port of secondary second winding of described transformer T1 connects the positive pole of diode D3, and the negative pole of described diode D3 is connected with the positive pole of polar capacitor C7, and the common port of described polar capacitor C7 and diode D3 is used for providing charging voltage to battery pack; The minus earth of described polar capacitor C7.
A kind of LED illumination is met an urgent need integrated lamp control system, comprise emergency button and LED illumination to meet an urgent need integrated lamp, described emergency button is connected to civil power live wire end and LED illumination is met an urgent need between integrated lamp, and described LED illumination integrated lamp of meeting an urgent need comprises AC-DC power supply, battery pack, booster circuit, switch detection circuit and LED connection in series-parallel group; Described AC-DC power supply, switch detection circuit are all connected with described emergency button, civil power zero line side;
Described AC-DC power supply is powered to booster circuit to batteries charging when civil power is normal and emergency button closes, and described AC-DC power supply stops power supply when civil power is normal and emergency button disconnects; Described booster circuit, for driving described LED connection in series-parallel group; Described battery pack, powers to described switch detection circuit and booster circuit when city's electrical anomaly; Described switch detection circuit be used at city's electrical anomaly and emergency button closes time drive described booster circuit to run, described switch detection circuit also at city's electrical anomaly and emergency button disconnect time stop driving described booster circuit.
The above-mentioned LED illumination beneficial effect that integrated lamp and control system have of meeting an urgent need is: in this emergent integrated lamp and control system, booster circuit, for driving described LED connection in series-parallel group.Battery pack, powers to switch detection circuit and booster circuit when city's electrical anomaly.AC-DC power supply is powered to booster circuit to batteries charging when civil power is normal and emergency button closes, and AC-DC power supply stops power supply when civil power is normal and emergency button disconnects.Therefore when civil power is normal emergency button closed, disconnect under by AC-DC power supply and booster circuit is corresponding opens or closes LED connection in series-parallel group.In addition, switch detection circuit be used at city's electrical anomaly and emergency button closes time drive booster circuit run, switch detection circuit also at city's electrical anomaly and emergency button disconnect time stop drive booster circuit.Therefore when city's electrical anomaly this emergent integrated lamp and control system still can emergency button closed, disconnect under open or close LED connection in series-parallel group by switch detection circuit, battery pack and booster circuit are corresponding.
In sum; the no matter normal or city's electrical anomaly of civil power; LED connection in series-parallel group can both be opened or be closed to meet an urgent need integrated lamp and control system of this LED illumination according to emergency button, overcomes traditional emergency button can only open LED connection in series-parallel group problem when having a power failure.
Accompanying drawing explanation
Fig. 1 is that the LED illumination of an embodiment is met an urgent need the composition structure chart of integrated lamp control system.
Fig. 2 is that LED illumination embodiment illustrated in fig. 1 is met an urgent need the circuit diagram of AC-DC power supply in integrated lamp control system.
Fig. 3 is that LED illumination embodiment illustrated in fig. 1 is met an urgent need the circuit diagram of integrated lamp control system breaker in middle testing circuit.
Fig. 4 is that LED illumination embodiment illustrated in fig. 1 is met an urgent need the circuit diagram of booster circuit and LED connection in series-parallel group in integrated lamp control system.
Embodiment
In order to clearer explanation LED illumination provided by the invention is met an urgent need integrated lamp and control system, explain below in conjunction with embodiment.The LED illumination that the present embodiment provides is met an urgent need integrated lamp control system, can realize civil power occur abnormal after freely control by emergency button the function that LED connection in series-parallel group opens or closes.
As shown in Figure 1, LED illumination integrated lamp control system of meeting an urgent need comprises emergency button K4 and LED illumination and to meet an urgent need integrated lamp 100, and emergency button K4 is connected to civil power live wire input and LED illumination is met an urgent need between integrated lamp 100.LED illumination integrated lamp 100 of meeting an urgent need comprises AC-DC power supply 110, battery pack 120, booster circuit 130, switch detection circuit 140 and LED connection in series-parallel group 150.Wherein, AC-DC power supply 110, switch detection circuit 140 are connected with emergency button K4, civil power zero line side respectively.
The LED illumination that the present embodiment provides is met an urgent need integrated lamp control system, controls LED connection in series-parallel group 150 open or extinguish when civil power is normal by emergency button K4, AC-DC power supply 110 and booster circuit 130; And control LED connection in series-parallel group 150 when city's electrical anomaly by emergency button K4, switch detection circuit 140, battery pack 120 and booster circuit 130 and open or extinguish.To specifically introduce the operation principle of each module below.
AC-DC power supply 110, charge to battery pack 120 when civil power is normal and emergency button K4 closes and power to booster circuit 130, that is AC-DC power supply 110 exports two-way voltage respectively, and wherein a road voltage is used for charging to battery pack 120, and another road voltage is used for powering to booster circuit 130.It should be noted that, the two-way voltage that AC-DC power supply 110 exports need meet the requirement that battery pack 120 can charge normal, booster circuit 130 can normally work respectively, such as AC-DC power supply 110 exports 28V voltage to power to booster circuit 130, and simultaneously AC-DC power supply 110 exports 12V voltage and charges for battery pack 120.
AC-DC power supply 110 is stopped power supply when civil power is normal and emergency button K4 disconnects simultaneously, and at this moment battery pack 120 stops charging, and booster circuit 130 is out of service.Therefore, AC-DC power supply 110 is only in running order when civil power is normal and emergency button K4 closes.
Concrete, as shown in Figure 2, AC-DC power supply 110 comprises protective tube F1, bridge rectifier diode DB1, resistance R3, resistance R4, resistance R15, resistance R14, chip U1, polar capacitor C2, diode D1, resistance R18, resistance R20, metal-oxide-semiconductor Q3, resistance R17, electric capacity C12, resistance R19, electric capacity C17, resistance R22, resistance R8, electric capacity C5, diode D2, polar capacitor C3, transformer T1, diode D4, polar capacitor C8, diode D3 and polar capacitor C7.
One end of protective tube F1 connects emergency button K4, and the other end of protective tube F1 is connected with the live wire AC port of bridge rectifier diode DB1.The zero line AC port of bridge rectifier diode DB1 is connected with civil power zero line side, and the positive pole of bridge rectifier diode DB1 is connected with first port (i.e. 1 pin) of one end of one end of one end of resistance R3, resistance R8, electric capacity C5, the positive pole of polar capacitor C3, the armature winding of transformer T1 respectively.The other end of electric capacity C5 is connected with the negative pole of diode D2, the other end of resistance R8 respectively.The positive pole of diode D2 is connected with second port (i.e. 2 pin) of the armature winding of transformer T1.
The VCC pin of chip U1 is connected with the negative pole of one end of resistance R4, the positive pole of polar capacitor C2 and diode D1 respectively, the other end of resistance R4 is connected with the other end of resistance R3, the positive pole of diode D1 is connected with first port (i.e. 4 pin) of one end of resistance R15 and secondary first winding of transformer T1 respectively, and the other end of resistance R15 is connected with one end of resistance R14.The FB pin of chip U1 is connected with the common port of resistance R15 and resistance R14.The OUT pin of chip U1 is connected with one end of resistance R18, the other end of resistance R18 is connected with one end of resistance R20, the grid of metal-oxide-semiconductor Q3 respectively, the drain electrode of metal-oxide-semiconductor Q3 connects the common port of diode D2 and transformer T1, and the source electrode of metal-oxide-semiconductor Q3 is connected with the other end of resistance R20, one end of resistance R19, one end of resistance R22 respectively.COMP pin, the resistance R17 and electric capacity C12 of chip U1 connect successively.The CS pin of chip U1 is connected with one end of electric capacity C17, the other end of resistance R19 respectively, the other end of electric capacity C17 and the other end common ground of resistance R22.Second port (i.e. 5 pin) all ground connection of secondary first winding of the GND pin of the negative pole of bridge rectifier diode DB1, the other end of resistance R14, chip U1, the negative pole of polar capacitor C2, the other end of electric capacity C12, the negative pole of polar capacitor C3 and transformer T1.
First port (i.e. 6 pin) of secondary second winding of transformer T1 connects the positive pole of diode D4, the negative pole of diode D4 is connected with the positive pole of polar capacitor C8, and the common port of polar capacitor C8 and diode D4 is used for providing supply power voltage to booster circuit 130.Tap (the i.e. 9 pin) common ground of the negative pole of polar capacitor C8 and secondary second winding of transformer T1.
Second port (i.e. 7 pin) of secondary second winding of transformer T1 connects the positive pole of diode D3, the negative pole of diode D3 is connected with the positive pole of polar capacitor C7, and the common port of polar capacitor C7 and diode D3 is used for providing charging voltage to battery pack 120.The minus earth of polar capacitor C7.
In the physical circuit of above-mentioned AC-DC power supply 110, when civil power is normal and emergency button K4 closes, civil power 220V is entered in bridge rectifier diode DB1 by protective tube F1 and carries out rectification, filtering is carried out again by polar capacitor C3, enter first port (i.e. 1 pin) of the armature winding of transformer T1 afterwards, and second port (i.e. 2 pin) of armature winding from transformer T1 is out, then by after the drain electrode of metal-oxide-semiconductor Q3, source electrode by under resistance R22 thus make whole AC-DC power supply 110 form path to start normal work.Wherein, chip U1 and peripheral circuit thereof are used for driving transformer T1.Resistance R15 and resistance R14 forms regulation loop, ensures AC-DC power supply 110 voltage regulation operation.Resistance R3 and R4 forms start-up circuit and charges to polar capacitor C2, and when the voltage of polar capacitor C2 reaches 12.8V, chip U1 starts working.
Final transformer T1 produces two-way induced voltage.First via induced voltage exports from first port (i.e. 6 pin) of secondary second winding of transformer T1 and tap (i.e. 9 pin), and after carrying out rectifying and wave-filtering by diode D4 and polar capacitor C8, produce the first via voltage (such as, for powering to booster circuit 130,28V) that AC-DC power supply 110 exports.Second road induced voltage exports from second port (i.e. 7 pin) of secondary second winding of transformer T1 and tap (i.e. 9 pin), and after carrying out rectifying and wave-filtering by diode D3 and polar capacitor C7, produce the second road voltage (such as, for charging for battery pack 120,12V) that AC-DC power supply 110 exports.
Be understandable that, the physical circuit of AC-DC power supply 110 is not limited to above-mentioned a kind of situation, as long as can realize charging to battery pack 120 when civil power is normal and emergency button K4 closes and powering to booster circuit 130, and the function of stopping power supply when civil power is normal and emergency button K4 disconnects, such as filter circuit wherein replaces with other forms of filter circuit.
Battery pack 120, powers to switch detection circuit 140 and booster circuit 130 when city's electrical anomaly.The power supply provided by AC-DC power supply 110 when civil power is normal due to battery pack 120 is charged, and therefore battery pack 120 can utilize the energy of storage to power to switch detection circuit 140 and booster circuit 130 when city's electrical anomaly.
Wherein, battery pack 120 is when charging, in order to ensure the effectively reliable of charging process and make charging voltage mate with battery pack 120, one could control and can carry out voltage transitions charging module to whole charging process can be set between AC-DC power supply 110 and battery pack 120.Such as, the 12V voltage transitions that AC-DC power supply 110 exports by charging module is 8.4V, and is inputed in battery pack 120 by this 8.4V voltage.
In addition, when battery pack 120 is powered to switch detection circuit 140, booster circuit 130 when city's electrical anomaly, if when the output voltage of battery pack 120 does not mate with the operating voltage needed for switch detection circuit 140 or booster circuit 130, also carry out voltage transitions by arranging voltage transformation module, to ensure switch detection circuit 140, booster circuit 130 normally works.
Switch detection circuit 140 at city's electrical anomaly and emergency button K4 closes time drive booster circuit 130 run, switch detection circuit 140 also at city's electrical anomaly and emergency button K4 disconnect time stop drive booster circuit 130.Wherein, due to when city's electrical anomaly, battery pack 120 can be powered to switch detection circuit 140, and therefore switch detection circuit 140 has power supply supply, and then can realize the function of above-mentioned control booster circuit 130.
Concrete, the specific implementation that switch detection circuit 140 possesses above-mentioned functions is: switch detection circuit 140 is connected with electrical network internal resistance 300 by emergency button K4, and namely switch detection circuit 140 is connected by civil power live wire, civil power zero line with emergency button K4, electrical network internal resistance 300.Wherein, battery pack 120, switch detection circuit 140, emergency button K4 and electrical network internal resistance 300 form loop when emergency button K4 closes, and this loop disconnects when emergency button K4 disconnects.
Meanwhile, switch detection circuit 140 drives booster circuit 130 to run when above-mentioned loop is formed, and switch detection circuit 140 stops when above-mentioned loop disconnects driving booster circuit 130.That is, the state in above-mentioned loop is determined by emergency button K4, and therefore switch detection circuit 140 is by detecting the state in above-mentioned loop, correspondingly can control booster circuit 130 according to the closed of emergency button K4 or disconnect and to run or out of service.
Concrete, switch detection circuit 140 comprises the detecting unit and driver element that are connected.Wherein, detecting unit is used for exporting Continuity signal when above-mentioned loop is formed and this Continuity signal being sent to driver element, and detecting unit is out of service when above-mentioned loop disconnects.Driver element is used for driving booster circuit 130 to run according to above-mentioned Continuity signal.
As shown in Figure 3, detecting unit comprises: resistance R43, resistance R58, triode Q2, resistance R41 and resistance R47.Wherein, one end of resistance R43 is connected with emergency button K4.Resistance R41 is connected between civil power zero line side and ground.The emitter of triode Q2 and one end of resistance R58 access the supply power voltage (such as VCC5V) of battery pack 120 jointly, the base stage of triode Q2 is connected with the other end of resistance R58, the other end of resistance R43 respectively, the collector electrode of triode Q2 is connected with resistance R47, and the collector electrode of triode Q2 is connected with driver element with the common port of resistance R47.The other end ground connection of resistance R47.
In above-mentioned detecting unit, when city's electrical anomaly and emergency button K4 closes time, the supply power voltage (i.e. VCC5V) that battery pack 120 provides through resistance R58, resistance R43, emergency button K4, electrical network internal resistance 300, resistance R41 also down, thus forms loop.Therefore triode Q2 conducting, its collector electrode output voltage signal, is equivalent to detecting unit and inputs Continuity signal to driver element.When city's electrical anomaly and emergency button K4 disconnect time, the loop that the supply power voltage (i.e. VCC5V) provided by battery pack 120, resistance R58, resistance R43, emergency button K4, electrical network internal resistance 300, resistance R41 and ground are formed disconnects, thus cause triode Q2 to end, namely detecting unit is out of service.
Driver element comprises: MCU chip U7, resistance R44, triode Q12 and resistance R71.Wherein, the first input end (i.e. 7 pin) of MCU chip U7 connects the output of detecting unit, and wherein, the output of detecting unit is the collector electrode of above-mentioned triode Q2 and the common port of resistance R47.Second input (i.e. 8 pin) of MCU chip U7 accesses the supply power voltage (i.e. VCC5V) of battery pack 120, one end of output (i.e. 2 pin) the contact resistance R44 of MCU chip U7.The other end of the base stage contact resistance R44 of triode Q12, the supply power voltage (i.e. VCC5V) of the collector electrode access battery pack 120 of triode Q12, one end of the emitter contact resistance R71 of triode Q12.The other end of resistance R71 connects the input of booster circuit 130.It should be noted that, the above-mentioned supply power voltage about battery pack 120, by electric pressure converter, the output voltage of battery pack 120 is converted to the voltage (if the output voltage of such as battery pack 120 is 8.4V, then utilizing voltage converter to be 5V by 8.4V voltage transitions) being suitable for switch detection circuit 140 and working.
In above-mentioned driver element, the signal that MCU chip U7 exports for detecting detecting unit, once find to export Continuity signal by detecting unit, (whether the input voltage that such as MCU chip U7 detects first input end enters the threshold interval set, if, then judge that detecting unit exports Continuity signal), so namely MCU chip U7 can export the signal (such as MCU chip U7 adjusts the size of output voltage, to meet the starting resistor demand of booster circuit 130) that can drive booster circuit 130 according to this Continuity signal.Amplify through triode Q12 more afterwards, be the LED drive singal of high potential eventually through resistance R71 and output potential, run to drive booster circuit 130.And if detecting unit does not export Continuity signal, so in the driving unit, MCU chip U7 stops exporting, and triode Q12 ends, and the LED drive singal that at this moment driver element exports is electronegative potential, is namely equivalent to driver element and stops driving booster circuit 130.
In addition, whether normally MCU chip U7 also receives the supply power voltage of battery pack 120 for detecting the second input (i.e. 8 pin), thus ensures that whole switch detection circuit 140 can normally run.
Be understandable that, the concrete structure of switch detection circuit 140 is not limited to above-mentioned a kind of situation, if can realize at city's electrical anomaly and emergency button K4 closes time drive booster circuit 130 to run, at city's electrical anomaly and emergency button K4 disconnects time stop driving the function of booster circuit 130.Such as the triode of above-mentioned amplification is replaced with metal-oxide-semiconductor.
Booster circuit 130, for driving LED lamp connection in series-parallel group 150.In the present embodiment, normal and city's electrical anomaly is all for driving LED lamp connection in series-parallel group 150 at civil power for booster circuit 130, and the power supply taked of booster circuit 130 is not identical in both cases.
Concrete, booster circuit 130 comprises the power control unit and boosting unit that are connected.Power control unit to be used for when civil power is normal and emergency button K4 closes using AC-DC power supply 110 as power supply, simultaneously power control unit also at city's electrical anomaly and emergency button K4 closes time using battery pack 120 as power supply.Boosting unit, for providing the voltage being suitable for the work of LED connection in series-parallel group 150 according to above-mentioned power supply.Therefore, booster circuit 130 is carry out driving LED lamp connection in series-parallel group 150 by civil power when civil power is normal, and carrys out driving LED lamp connection in series-parallel group 150 when city's electrical anomaly by accumulation power supply (battery pack 120).
Concrete, as shown in Figure 4, power control unit comprises resistance R41, triode Q12, resistance R42, resistance R56, metal-oxide-semiconductor Q9, diode D16, polar capacitor C29 and inductance L 11.
Wherein, the output (i.e. the other end of above-mentioned resistance R71) of one end connecting valve testing circuit 140 of resistance R41, for the LED drive singal that receiving key testing circuit 140 exports.The collector electrode of triode Q12 is connected with one end of resistance R42, and the base stage of triode Q12 is connected with the other end of resistance R41, the grounded emitter of triode Q12.The other end of resistance R42 is connected with one end of resistance R56.The grid contact resistance R42 of metal-oxide-semiconductor Q9 and the common port of resistance R56, the drain electrode of metal-oxide-semiconductor Q9 and the other end of resistance R56 access the supply power voltage (such as 8.4V) of battery pack 120 jointly, the source electrode of metal-oxide-semiconductor Q9 is connected with the positive pole of diode D16, and the negative pole of diode D16 is connected with the positive pole of polar capacitor C29, one end of inductance L 11 respectively.The positive pole of polar capacitor C29 and the common port of inductance L 11 also access the supply power voltage (i.e. the first via voltage that exports of AC-DC power supply 110, such as 28V) of AC-DC power supply 110.The other end ground connection of polar capacitor C29.The other end of inductance L 11 connects boosting unit.
Boosting unit comprises resistance R63, electric capacity C20, voltage stabilizing didoe ZD24, resistance R48, electric pressure converter U6, electric capacity C25, resistance R49, electric capacity C26, resistance R55, electric capacity C27, resistance R50, metal-oxide-semiconductor Q7, resistance R53, resistance R25, diode D12 and polar capacitor C21.Wherein, electric pressure converter U6 and metal-oxide-semiconductor Q7 and peripheral circuit thereof are used for common driving LED lamp connection in series-parallel group 150 (such as providing 36V voltage eventually to LED connection in series-parallel group 150).
One end of resistance R63 connects the common port of metal-oxide-semiconductor Q9 and diode D16.One end of resistance R48 is connected with one end of electric capacity C25.8th pin of electric pressure converter U6 respectively with the other end of resistance R63, one end of electric capacity C20, the negative pole of voltage stabilizing didoe ZD24 and the other end of resistance R48 connect, 7th pin of electric pressure converter U6 connects one end of electric capacity C27, 6th pin of electric pressure converter U6 is connected with the source electrode of metal-oxide-semiconductor Q7, 5th pin of electric pressure converter U6 is connected with one end of resistance R50, 4th pin of electric pressure converter U6 is connected with one end of resistance R55, 3rd pin of electric pressure converter U6 is connected with one end of resistance R49, 2nd pin of electric pressure converter U6 is connected with the common port of resistance R48 and electric capacity C25.The other end of resistance R49 is connected with one end of electric capacity C26.The other end of resistance R55 connects the negative pole of LED connection in series-parallel group.The other end of electric capacity C20 and the positive pole common ground of voltage stabilizing didoe ZD24.1st pin of the other end of electric capacity C25, the other end of electric capacity C26, electric pressure converter U6 and the equal ground connection of the other end of electric capacity C27.
The grid of metal-oxide-semiconductor Q7 is connected with the other end of resistance R50, and the source electrode of metal-oxide-semiconductor Q7 is also connected with one end of resistance R53, and the drain electrode of metal-oxide-semiconductor Q7 is connected with the common port of inductance L 11 and diode D12.The other end of resistance R53 and one end common ground of resistance R25, the other end of resistance R25 connects the negative pole of LED connection in series-parallel group 150.The negative pole of diode D12 is connected the positive pole of LED connection in series-parallel group 150 jointly with the positive pole of polar capacitor C21, the minus earth of polar capacitor C21.
In the physical circuit of above-mentioned booster circuit 130, when AC-DC power supply 110 export supply power voltage (namely civil power normal and emergency button K4 closes time), power control unit using AC-DC power supply 110 as power supply, so source current is after polar capacitor C29 and inductance L 11 filtering, again under the metal-oxide-semiconductor Q7 and resistance R53, thus make boosting unit conducting, afterwards namely by boosting unit output drive signal and then open LED connection in series-parallel group 150.
Therefore when civil power is normal, whether booster circuit 130 works according to AC-DC power supply 110 to control LED connection in series-parallel group 150: if AC-DC power supply 110 normal power supply (namely normal the and emergency button K4 of civil power closes), then booster circuit 130 driving LED lamp connection in series-parallel group 150, at this moment LED connection in series-parallel group 150 is opened; If AC-DC power supply 110 is stopped power supply (namely normal the and emergency button K4 of civil power disconnects), then booster circuit 130 stops driving LED lamp connection in series-parallel group 150, and at this moment LED connection in series-parallel group 150 is extinguished.
If AC-DC power supply 110 does not export supply power voltage, and the LED drive singal that one end of resistance R41 receives is when being high potential (i.e. city's electrical anomaly and emergency button K4 closed), triode Q12 conducting (namely switch detection circuit 140 drives booster circuit 130 to run).At this moment the supply power voltage of the battery pack 120 so accessed in the drain electrode of metal-oxide-semiconductor Q9 and the other end of resistance R56 is the power supply of booster circuit 130.At this moment metal-oxide-semiconductor Q9 conducting, source current again through diode D16, after the polar capacitor C29 and inductance L 11 filtering again under metal-oxide-semiconductor Q7 and resistance R53, make boosting unit conducting equally.So final namely by boosting unit output drive signal and then open LED connection in series-parallel group 150.
Therefore, when city's electrical anomaly, booster circuit 130 is on the basis that battery pack 120 is powered and gets off to control LED connection in series-parallel group 150 in the control of switch detection circuit 140: if the LED drive singal that switch detection circuit 140 exports is high potential (i.e. city's electrical anomaly and emergency button K4 closed), then booster circuit 130 driving LED lamp connection in series-parallel group 150, at this moment LED connection in series-parallel group 150 is opened; If the LED drive singal that switch detection circuit 140 exports is electronegative potential (i.e. city's electrical anomaly and emergency button K4 disconnect), then booster circuit 130 stops driving LED lamp connection in series-parallel group 150, and at this moment LED connection in series-parallel group 150 is extinguished.
Be understandable that, the concrete structure of booster circuit 130 is not limited to above-mentioned a kind of situation, as long as can realize opening LED connection in series-parallel group 150 when AC-DC power supply 110 is powered, powering in battery pack 120 and open the function of LED connection in series-parallel group 150 under the driving of switch detection circuit 140, such as, filter circuit is replaced with other forms.
In sum, the meet an urgent need operation principle of integrated lamp control system of the LED illumination that the present embodiment provides is as follows:
When civil power is normal and emergency button K4 closes, AC-DC power supply 110 exports two-way voltage respectively, and a road voltage is used for powering to booster circuit 130, and another road voltage is used for charging to battery pack 120.At this moment, booster circuit 130 as power supply, and opens LED connection in series-parallel group 150 by AC-DC power supply 110.
When civil power is normal and emergency button K4 disconnects, AC-DC power supply 110 stops output voltage, and so battery pack 120 stops charging, and booster circuit 130 is out of service, and LED connection in series-parallel group 150 is extinguished.
When city's electrical anomaly and emergency button K4 closes time, battery pack 120 is powered to switch detection circuit 140 and booster circuit 130.Simultaneous Switching testing circuit 140 conducting, and drive booster circuit 130 to run.The power drives LED connection in series-parallel group 150 that booster circuit 130 provides according to battery pack 120, and then open LED connection in series-parallel group 150.
When city's electrical anomaly and emergency button K4 disconnect time, switch detection circuit 140 stop drive booster circuit 130, at this moment booster circuit 130 is out of service, and LED connection in series-parallel group 150 is extinguished.
Therefore; the no matter normal or city's electrical anomaly of civil power; the LED illumination that the present embodiment provides meets an urgent need integrated lamp and control system can both be closed or disconnect corresponding unlatching or close LED connection in series-parallel group according to emergency button; overcome traditional emergency button can only open LED connection in series-parallel group problem when having a power failure, thus LED connection in series-parallel group can be made only to light when needs are powered.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this specification is recorded.
Above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete, but can not therefore be construed as limiting the scope of the patent.Be to be noted that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a LED illumination is met an urgent need integrated lamp, be connected with emergency button, and described emergency button is connected to civil power live wire end and LED illumination is met an urgent need between integrated lamp, it is characterized in that, described LED illumination integrated lamp of meeting an urgent need comprises AC-DC power supply, battery pack, booster circuit, switch detection circuit and LED connection in series-parallel group; Described AC-DC power supply, switch detection circuit are all connected with described emergency button, civil power zero line side;
Described AC-DC power supply is powered to booster circuit to batteries charging when civil power is normal and emergency button closes, and described AC-DC power supply stops power supply when civil power is normal and emergency button disconnects; Described booster circuit, for driving described LED connection in series-parallel group; Described battery pack, powers to described switch detection circuit and booster circuit when city's electrical anomaly; Described switch detection circuit be used at city's electrical anomaly and emergency button closes time drive described booster circuit to run, described switch detection circuit also at city's electrical anomaly and emergency button disconnect time stop driving described booster circuit.
2. LED illumination according to claim 1 is met an urgent need integrated lamp, and it is characterized in that, described switch detection circuit is connected with electrical network internal resistance by emergency button; Described battery pack, switch detection circuit, emergency button, electrical network internal resistance form loop when emergency button closes, and described loop disconnects when emergency button disconnects;
Described switch detection circuit drives described booster circuit to run when described loop is formed, and described switch detection circuit stops when described loop disconnects driving described booster circuit.
3. LED illumination according to claim 2 is met an urgent need integrated lamp, and it is characterized in that, described switch detection circuit comprises the detecting unit and driver element that are connected; Described detecting unit exports Continuity signal when described loop is formed, and described detecting unit is out of service when described loop disconnects; Described driver element is used for driving described booster circuit to run according to described Continuity signal.
4. LED illumination according to claim 3 is met an urgent need integrated lamp, and it is characterized in that, described detecting unit comprises: resistance R43, resistance R58, triode Q2, resistance R41 and resistance R47;
One end of described resistance R43 is connected with emergency button; Described resistance R41 is connected between civil power zero line side and ground; The emitter of described triode Q2 and one end of resistance R58 access the supply power voltage of described battery pack jointly, the base stage of described triode Q2 is connected with the other end of resistance R58, the other end of resistance R43 respectively, the collector electrode of described triode Q2 is connected with resistance R47, and the collector electrode of described triode Q2 is connected with described driver element with the common port of resistance R47, the other end ground connection of described resistance R47.
5. LED illumination according to claim 3 is met an urgent need integrated lamp, and it is characterized in that, described driver element comprises MCU chip U7, resistance R44, triode Q12 and resistance R71;
The first input end of described MCU chip U7 connects the output of described detecting unit, and second input of described MCU chip U7 accesses the supply power voltage of described battery pack, and the output of described MCU chip U7 connects one end of described resistance R44; The base stage of described triode Q12 connects the other end of described resistance R44, and the collector electrode of described triode Q12 accesses the supply power voltage of described battery pack, and the emitter of described triode Q12 connects one end of described resistance R71; The other end of described resistance R71 connects the input of described booster circuit.
6. the LED illumination according to claim arbitrary in claim 2 to 5 is met an urgent need integrated lamp, and it is characterized in that, described booster circuit comprises the power control unit and boosting unit that are connected;
Described power control unit when civil power is normal and emergency button closes using described AC-DC power supply as power supply, described power control unit also at city's electrical anomaly and emergency button closes time using described battery pack as power supply; Described boosting unit, for providing the voltage being suitable for the work of described LED connection in series-parallel group according to described power supply.
7. LED illumination according to claim 6 is met an urgent need integrated lamp, and it is characterized in that, described power control unit comprises resistance R41, triode Q12, resistance R42, resistance R56, metal-oxide-semiconductor Q9, diode D16, polar capacitor C29 and inductance L 11;
One end of described resistance R41 connects the output of described switch detection circuit; The collector electrode of described triode Q12 is connected with one end of resistance R42, and the base stage of described triode Q12 is connected with the other end of resistance R41, the grounded emitter of described triode Q12; The other end of described resistance R42 is connected with one end of resistance R56; The grid of described metal-oxide-semiconductor Q9 connects the common port of described resistance R42 and resistance R56, and the described drain electrode of metal-oxide-semiconductor Q9 and the other end of resistance R56 access the supply power voltage of described battery pack jointly, and the source electrode of described metal-oxide-semiconductor Q9 is connected with the positive pole of described diode D16; The negative pole of described diode D16 is connected with the positive pole of polar capacitor C29, one end of inductance L 11 respectively, and the common port of described polar capacitor C29 and inductance L 11 also accesses the supply power voltage of AC-DC power supply; The other end ground connection of described polar capacitor C29; The other end of described inductance L 11 connects described boosting unit.
8. LED illumination according to claim 7 is met an urgent need integrated lamp, it is characterized in that, described boosting unit comprises resistance R63, electric capacity C20, voltage stabilizing didoe ZD24, resistance R48, electric pressure converter U6, electric capacity C25, resistance R49, electric capacity C26, resistance R55, electric capacity C27, resistance R50, metal-oxide-semiconductor Q7, resistance R53, resistance R25, diode D12 and polar capacitor C21;
One end of described resistance R63 connects the common port of described metal-oxide-semiconductor Q9 and diode D16, one end of described resistance R48 is connected with one end of electric capacity C25, 8th pin of described electric pressure converter U6 respectively with the other end of resistance R63, one end of electric capacity C20, the negative pole of voltage stabilizing didoe ZD24 and the other end of resistance R48 connect, 7th pin of described electric pressure converter U6 connects one end of electric capacity C27, 6th pin of described electric pressure converter U6 is connected with the source electrode of metal-oxide-semiconductor Q7, 5th pin of described electric pressure converter U6 is connected with one end of resistance R50, 4th pin of described electric pressure converter U6 is connected with one end of resistance R55, 3rd pin of described electric pressure converter U6 is connected with one end of resistance R49, 2nd pin of described electric pressure converter U6 is connected with the common port of resistance R48 and electric capacity C25, the other end of described resistance R49 is connected with one end of electric capacity C26, the other end of described resistance R55 connects the negative pole of LED connection in series-parallel group, the other end of described electric capacity C20 and the positive pole common ground of voltage stabilizing didoe ZD24, 1st pin of the other end of described electric capacity C25, the other end of electric capacity C26, electric pressure converter U6 and the equal ground connection of the other end of electric capacity C27,
The grid of described metal-oxide-semiconductor Q7 is connected with the other end of described resistance R50, and the source electrode of described metal-oxide-semiconductor Q7 is also connected with one end of described resistance R53, and the drain electrode of described metal-oxide-semiconductor Q7 is connected with the common port of described inductance L 11 and diode D12; The other end of described resistance R53 and one end common ground of resistance R25, the other end of described resistance R25 connects the negative pole of LED connection in series-parallel group; The negative pole of described diode D12 is connected the positive pole of LED connection in series-parallel group jointly with the positive pole of polar capacitor C21, the minus earth of described polar capacitor C21.
9. the LED illumination according to claim arbitrary in claim 2 to 5 is met an urgent need integrated lamp, it is characterized in that, described AC-DC power supply comprises protective tube F1, bridge rectifier diode DB1, resistance R3, resistance R4, resistance R15, resistance R14, chip U1, polar capacitor C2, diode D1, resistance R18, resistance R20, metal-oxide-semiconductor Q3, resistance R17, electric capacity C12, resistance R19, electric capacity C17, resistance R22, resistance R8, electric capacity C5, diode D2, polar capacitor C3, transformer T1, diode D4, polar capacitor C8, diode D3 and polar capacitor C7;
One end of described protective tube F1 connects emergency button, and the other end of described protective tube F1 is connected with the live wire AC port of bridge rectifier diode DB1; The zero line AC port of described bridge rectifier diode DB1 is connected with civil power zero line side, and the positive pole of described bridge rectifier diode DB1 is connected with the first port of one end of one end of one end of resistance R3, resistance R8, electric capacity C5, the positive pole of polar capacitor C3, the armature winding of transformer T1 respectively; The other end of described electric capacity C5 is connected with the negative pole of diode D2, the other end of resistance R8 respectively; The positive pole of described diode D2 is connected with the second port of the armature winding of transformer T1;
The VCC pin of described chip U1 is connected with the negative pole of one end of resistance R4, the positive pole of polar capacitor C2 and diode D1 respectively, the other end of described resistance R4 is connected with the other end of resistance R3, the positive pole of described diode D1 is connected with the first port of one end of resistance R15 and secondary first winding of transformer T1 respectively, and the other end of described resistance R15 is connected with one end of resistance R14; The FB pin of described chip U1 is connected with the common port of resistance R15 and resistance R14; The OUT pin of described chip U1 is connected with one end of resistance R18, the other end of described resistance R18 is connected with one end of resistance R20, the grid of metal-oxide-semiconductor Q3 respectively, the drain electrode of described metal-oxide-semiconductor Q3 connects the common port of described diode D2 and transformer T1, and the source electrode of described metal-oxide-semiconductor Q3 is connected with the other end of described resistance R20, one end of resistance R19, one end of resistance R22 respectively; COMP pin, the resistance R17 and electric capacity C12 of described chip U1 connect successively; The CS pin of described chip U1 is connected with one end of electric capacity C17, the other end of resistance R19 respectively, the other end of described electric capacity C17 and the other end common ground of resistance R22; The equal ground connection of second port of secondary first winding of the GND pin of the negative pole of described bridge rectifier diode DB1, the other end of resistance R14, chip U1, the negative pole of polar capacitor C2, the other end of electric capacity C12, the negative pole of polar capacitor C3 and transformer T1;
First port of secondary second winding of described transformer T1 connects the positive pole of diode D4, and the negative pole of described diode D4 is connected with the positive pole of polar capacitor C8, and the common port of described polar capacitor C8 and diode D4 is used for providing supply power voltage to booster circuit; The tap common ground of the negative pole of described polar capacitor C8 and secondary second winding of transformer T1;
Second port of secondary second winding of described transformer T1 connects the positive pole of diode D3, and the negative pole of described diode D3 is connected with the positive pole of polar capacitor C7, and the common port of described polar capacitor C7 and diode D3 is used for providing charging voltage to battery pack; The minus earth of described polar capacitor C7.
10. a LED illumination is met an urgent need integrated lamp control system, comprise emergency button and LED illumination to meet an urgent need integrated lamp, described emergency button is connected to civil power live wire end and LED illumination is met an urgent need between integrated lamp, it is characterized in that, described LED illumination integrated lamp of meeting an urgent need comprises AC-DC power supply, battery pack, booster circuit, switch detection circuit and LED connection in series-parallel group; Described AC-DC power supply, switch detection circuit are all connected with described emergency button, civil power zero line side;
Described AC-DC power supply is powered to booster circuit to batteries charging when civil power is normal and emergency button closes, and described AC-DC power supply stops power supply when civil power is normal and emergency button disconnects; Described booster circuit, for driving described LED connection in series-parallel group; Described battery pack, powers to described switch detection circuit and booster circuit when city's electrical anomaly; Described switch detection circuit be used at city's electrical anomaly and emergency button closes time drive described booster circuit to run, described switch detection circuit also at city's electrical anomaly and emergency button disconnect time stop driving described booster circuit.
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| CN201610067912.XA CN105554957B (en) | 2016-01-29 | 2016-01-29 | The emergent integrated lamp of LED illumination and control system |
| PCT/CN2016/092024 WO2017128662A1 (en) | 2016-01-29 | 2016-07-28 | Led illumination-emergency integrated lamp and control system |
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| CN201610067912.XA CN105554957B (en) | 2016-01-29 | 2016-01-29 | The emergent integrated lamp of LED illumination and control system |
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| CN110087364A (en) * | 2019-05-21 | 2019-08-02 | 江苏宜美照明科技股份有限公司 | LED power circuit |
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| CN111491423B (en) * | 2020-03-27 | 2022-07-05 | 普联技术有限公司 | Single-fire switch circuit and single-fire switch device |
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| CN111683435A (en) * | 2020-05-25 | 2020-09-18 | 中船邮轮科技发展有限公司 | Additional emergency lighting equipment capable of being controlled in real time in on-off mode and cabin |
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Also Published As
| Publication number | Publication date |
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| CN105554957B (en) | 2018-01-09 |
| WO2017128662A1 (en) | 2017-08-03 |
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