CN104349536B - Power-off lighting and general illumination integrated lamp - Google Patents
Power-off lighting and general illumination integrated lamp Download PDFInfo
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- CN104349536B CN104349536B CN201310338065.2A CN201310338065A CN104349536B CN 104349536 B CN104349536 B CN 104349536B CN 201310338065 A CN201310338065 A CN 201310338065A CN 104349536 B CN104349536 B CN 104349536B
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- 238000005286 illumination Methods 0.000 title claims abstract description 89
- 238000001514 detection method Methods 0.000 claims abstract description 71
- 230000005611 electricity Effects 0.000 claims abstract description 25
- 230000008878 coupling Effects 0.000 claims description 68
- 238000010168 coupling process Methods 0.000 claims description 68
- 238000005859 coupling reaction Methods 0.000 claims description 68
- 238000004804 winding Methods 0.000 claims description 35
- 230000002457 bidirectional effect Effects 0.000 claims description 20
- 239000003990 capacitor Substances 0.000 claims description 18
- 238000012360 testing method Methods 0.000 claims description 18
- 238000012937 correction Methods 0.000 claims description 13
- 238000005034 decoration Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 24
- 230000007246 mechanism Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 239000004020 conductor Substances 0.000 description 5
- 238000002955 isolation Methods 0.000 description 5
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- 230000007935 neutral effect Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 229910052754 neon Inorganic materials 0.000 description 3
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 3
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- 238000009429 electrical wiring Methods 0.000 description 2
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Abstract
The present invention is on a kind of power-off lighting and general illumination integrated lamp.This power-off lighting is coupled in an AC power with general illumination integrated lamp, and wherein AC power has one first exchange end and one second exchange end.Above-mentioned power-off lighting with general illumination integrated lamp is controlled by a lamp switch.This lamp switch includes a first end and one second end, wherein, between the first end of the lamp switch and the second end of the lamp switch, couple an indicator light circuit.This power-off lighting exchanges power detection circuit with general illumination integrated lamp including one, and this exchange power detection circuit is coupled in the second end of lamp switch and is exchanged with second between end.When lamp switch is closed, the circuit at the second end that exchange power detection circuit flows to lamp switch by the indicator light circuit exchanges the electricity pressure ∕ current status between end with second, judges to be now a power down mode or a normal operating conditions；The work of rewiring need not be carried out with this, it is not necessary to remove old decoration again, power-off lighting and general illumination integrated lamp just can be installed.
Description
Technical field
The present invention is the technology on a kind of integrated general illumination of power-off lighting, further for, the present invention be on
A kind of power-off lighting and general illumination integrated lamp.
Background technology
Automatic emergency light has turned into the important outfit of family and public place.Unfortunately, in old building or old-fashioned
House, not corresponding distribution.It is tight to device in the place without corresponding distribution even newly-built house
Anxious lighting apparatus, the problem for primarily facing seeks to how to solve wiring problems.So newly-increased distribution can even influence sometimes
Indoor is attractive in appearance.Meanwhile, in most occasion, emergency lamp is typically other configuration.Fig. 1 is schematically shown as background technology
Power-off lighting and room lighting integrated lamp wiring layout.Fig. 1 is refer to, this family's wiring diagram is included in a live wire L, one
Property line N, a lamp switch SW and a light fixture 101.By above-mentioned Fig. 1 can be seen that in a light fixture 101 while having tight
Anxious illumination has the function of general illumination again when, then distribution needs to connect constant power supply simultaneously（AC power supplies）Power supply on L and wall
Switch SW.Such wiring mode needs additionally drawing a line 102 in addition from power supply, causes distribution excessively complicated.
Therefore, emergency lamp how is installed using existing lamp body or distribution, and without significantly changing existing family
The distribution in front yard, is the direction of many this area persons effort.In many inventions, regarding to the issue above, all put forward different solutions
Certainly scheme, wherein, the method that most people are proposed is using the mode of wireless remote control.The method is mainly used and is inserted in family one
As socket wireless launcher, this wireless launcher to test socket electricity whether interrupt.When the electric power is interrupted, wireless transmission
Device launches lamp body of the signal to an Emergency Light.The above method can reach the effect for reducing distribution.
However, aforesaid way needs extra purchase wireless launcher, and light fixture must have the circuit of wireless receiving in itself.
This kind of design can cause the selling at exorbitant prices of light fixture, in addition, common people are also less easily accepted by so indirectly assembling mode.
The content of the invention
A purpose of the invention is to provide a kind of power-off lighting and general illumination integrated lamp, with this, uses inexpensive mode,
Distribution and decoration need not be changed, just be can detect and whether had a power failure.
In view of this, the present invention provides a kind of power-off lighting and general illumination integrated lamp, this power-off lighting and general illumination
Integrated lamp is coupled in an AC power, wherein, this AC power has one first exchange end and one second exchange end.This has a power failure
Illumination with general illumination integrated lamp is controlled by a lamp switch.Above-mentioned lamp switch includes a first end and one the
Two ends.The first end coupling first of lamp switch exchanges end, between the first end of lamp switch and the second end of lamp switch, coupling
Connect an indicator light circuit.When lamp switch is closed by user, the indicator lamp in indicator light circuit is lighted to represent that switch is closed
Close.
It is integrated that above-mentioned power-off lighting exchanges power detection circuit, a battery and a light fixture with general illumination integrated lamp including one
Circuit.Exchange power detection circuit is coupled in the first end of lamp switch and is exchanged with second between end.When lamp switch is closed,
The circuit at the second end that exchange power detection circuit flows to lamp switch by indicator light circuit exchanges the electricity pressure ∕ between end with second
Current status, judge to be now a power down mode or a normal operating conditions.Battery is configured at power-off lighting and general illumination collection
Into lamp, to supply electrical power to power-off lighting and general illumination integrated lamp after a loss of power.Light fixture integrated circuit includes the first input
End and one second input, wherein, the first input end of light fixture integrated circuit couples the second end of lamp switch, and light fixture is integrated
The second input coupling second of circuit exchanges end.When lamp switch is opened, light fixture integrated circuit utilizes received exchange
Light fixture in power supply point bright light tool integrated circuit.When lamp switch is closed, and exchange power detection circuit is judged to normal work shape
During state, light fixture integrated circuit extinguishes the light fixture in light fixture integrated circuit.When lamp switch is closed, and exchange power detection circuit judges
During for power down mode, light fixture integrated circuit utilizes the electric power of received battery to light the light fixture in light fixture integrated circuit.
According to the power-off lighting described in present pre-ferred embodiments and general illumination integrated lamp, the instruction of above-mentioned lamp switch
Circuit for lamp includes an indicator lamp and one first current-limiting resistance.The first of the first end coupling lamp switch of the first current-limiting resistance
End.The first end of indicator lamp couples the second end of the first current-limiting resistance, and the second end of indicator lamp couples the second end of lamp switch.
Also, in a preferred embodiment, exchange power detection circuit includes a bridge rectifier, one second current-limiting resistance, a detection electricity
Appearance, a threshold switching voltage and a control circuit.Bridge rectifier includes a first input end, the second input, one the
One rectifier terminal and one second rectifier terminal, wherein, the first input end of bridge rectifier couples the second end of lamp switch, bridge
The second input coupling second of formula rectification circuit exchanges end, and the second rectifier terminal coupling one first of bridge rectifier connects electricity altogether
Pressure.The first end of the second current-limiting resistance couples the first rectifier terminal of bridge rectifier.Detect the first end coupling second of electric capacity
Second end of current-limiting resistance, detects that the second end of electric capacity couples the second rectifier terminal of bridge rectifier.Threshold switching voltage
First end couples the second end of current-limiting resistance, wherein, when the voltage at the two ends of threshold switching voltage is more than a threshold voltage, threshold
Voltage switch is turned on.Control circuit according to the voltage status of threshold switching voltage, judging current state as power down mode or
The normal operating conditions.
According to the power-off lighting described in present pre-ferred embodiments and general illumination integrated lamp, above-mentioned control circuit includes one
Photo-coupler（Photo Coupler）, a transformer, an electronic switch, a pulse width modulation circuit, a commutation diode
（diode AC switch）, a commutation capacitor, one draw high resistance and a microprocessor.Photo-coupler include first input end,
Second input, one first output end and one second output end, wherein, the first input end coupling threshold voltage of photo-coupler
Second end of switch, the second input coupling first of photo-coupler connects voltage, the second output end coupling one of photo-coupler altogether
Second connects voltage altogether.Transformer include first side winding and secondary side winding, wherein, first side winding include a first end with
And one second end, secondary side winding includes a first end and one second end, and the first end of first side winding couples the first rectification
End, the second end coupling second of secondary side winding connects voltage altogether.Electronic switch includes a first end, one second end and a control
End, wherein, the second end of the first side winding of the first end of electronic switch coupling transformer, the second end coupling of electronic switch the
Voltage is connect altogether.Pulse width modulation circuit couples the control end of electronic switch, and electronic switch is controlled with pulse wave width modulation
The ON-OFF at the second end of first end and electronic switch, to control the voltage of secondary side winding.Commutation diode includes a sun
Pole and a negative electrode, wherein, the anode of commutation diode couples the first end of secondary side winding.The first end coupling of commutation capacitor
The negative electrode of commutation diode, the second end coupling second of commutation capacitor connects voltage altogether.High-resistance first end is drawn to couple a logic
High voltage, draws high-resistance second end to couple the first output end of the photo-coupler.Microprocessor include a power input with
And a test side, wherein, the power input of microprocessor couples the negative electrode of commutation diode, the test side coupling of microprocessor
First output end of photo-coupler, wherein, when the voltage of test side is in a Preset Time, logic high voltage is persistently maintained, it is micro-
Processor judges to enter power down mode.
The present invention additionally provides a kind of power-off lighting and general illumination integrated lamp, an AC power is coupled in.AC power
With one first exchange end and one second exchange end.Wherein, power-off lighting with general illumination integrated lamp is opened by a light fixture
Pass is controlled.Lamp switch includes a first end, one first jack, one second end and one second jack.The of lamp switch
One end couples first and exchanges end by the first jack.Power-off lighting includes that a resistance plug-in unit, one exchange with general illumination integrated lamp
Power detection circuit, a battery and a light fixture integrated circuit.Wherein, resistance plug-in unit includes one first pin, one second pin, one
First jack and one second jack.First pin of resistance plug-in unit couples lamp switch by the first jack of lamp switch
First end, the second pin of resistance plug-in unit couples the second end of lamp switch, resistance plug-in unit by the second jack of lamp switch
The first jack coupling first exchange end.Exchange power detection circuit be coupled in the second jack of resistance plug-in unit and second exchange end it
Between.When lamp switch is closed, exchange power detection circuit is handed over by resistance plug-in unit, the second end and second for detecting lamp switch
Electricity Ya ∕ current status between stream end, judge that current state is a power down mode or a normal operating conditions.Battery is configured at and stops
Electric lighting and general illumination integrated lamp, to supply electrical power to power-off lighting and general illumination integrated lamp after a loss of power.Light fixture collection
Include first input end and the second input into circuit.The second of the first input end coupling resistance plug-in unit of light fixture integrated circuit
Jack, the second input coupling second of light fixture integrated circuit exchanges end.When lamp switch is opened, light fixture integrated circuit is utilized
The AC power for being received lights the light fixture in light fixture integrated circuit.Closed in lamp switch, and exchange power detection circuit judges
During for normal operating conditions, light fixture integrated circuit extinguishes the light fixture in light fixture integrated circuit.When lamp switch is closed, and alternating current
When detection circuit is judged to power down mode, light fixture integrated circuit utilizes the electric power of received battery to light in light fixture integrated circuit
Light fixture.
Advantageous Effects of the invention are：Using single bypass parallel impedance cut and close, and detect above-mentioned parallel connection
The voltage/current state of impedance, to determine whether to have a power failure.Implementation method can directly select indicator light switch（neon
switch）Or closed using above-mentioned single incision of resistance plug-in unit insertion.This kind of power sense circuit of the embodiment of the present invention, by
In the work that need not carry out rewiring, in other words, it is not necessary to remove old decoration again, power-off lighting just can be installed
With general illumination integrated lamp.
It is that above and other objects, features and advantages of the invention can be become apparent, preferred embodiment cited below particularly,
And coordinate appended accompanying drawing, it is described in detail below.
Brief description of the drawings
Fig. 1 is schematically shown as the power-off lighting of background technology and the wiring layout of general illumination integrated lamp.
Fig. 2 is schematically shown as the power-off lighting of a preferred embodiment of the present invention and the circuit diagram of general illumination integrated lamp.
Fig. 3 is schematically shown as the power-off lighting of a preferred embodiment of the present invention and the circuit diagram of general illumination integrated lamp.
Fig. 4 A to Fig. 4 C are schematically shown as the power-off lighting of a preferred embodiment of the present invention and the alternating current of general illumination integrated lamp
Detect the operation waveform diagram of circuit 201.
Fig. 5 A are schematically shown as the power-off lighting of a preferred embodiment of the present invention and the thin portion circuit box of general illumination integrated lamp
Figure.
Fig. 5 B are schematically shown as the power-off lighting of a preferred embodiment of the present invention and the thin portion circuit diagram of general illumination integrated lamp.
Fig. 6 A to Fig. 6 B are schematically shown as the power-off lighting of a preferred embodiment of the present invention and the alternating current of general illumination integrated lamp
Detect the operation waveform diagram of circuit 201.
Fig. 7 is schematically shown as the plug-in plug-in unit of the switch of power-off lighting and general illumination integrated lamp of a preferred embodiment of the present invention
Schematic diagram.
Fig. 8 A are schematically shown as the power-off lighting of a preferred embodiment of the present invention and the circuit block diagram of general illumination integrated lamp.
Fig. 8 B are schematically shown as the power-off lighting of a preferred embodiment of the present invention and the thin portion circuit box of general illumination integrated lamp
Figure.
Fig. 9 is schematically shown as the power-off lighting of a preferred embodiment of the present invention and the thin portion circuit diagram of general illumination integrated lamp.
What Figure 10 was schematically shown as the power-off lighting of a preferred embodiment of the present invention and general illumination integrated lamp exchanges electro-detection electricity
The circuit diagram on road 801.
Figure 11 is schematically shown as the power-off lighting of a preferred embodiment of the present invention and the battery charger of general illumination integrated lamp
Or the circuit diagram of lamp driving circuit.
Figure 12 is schematically shown as the electricity of the power-off lighting of a preferred embodiment of the present invention and the discharge circuit of general illumination integrated lamp
Lu Tu.
Reference
L：Live wire
N：The neutral conductor
SW：Lamp switch
101：Light fixture
102：Extra distribution
201、801：Exchange power detection circuit
202、802：Battery
203、803：Light fixture integrated circuit
204：Lamp switch
205：Indicator light circuit
206：Indicator lamp
207、804：Discharge circuit
301、901：Bridge rectifier
302、902：Current-limiting resistance
303、903：Detection electric capacity
304、904：Bidirectional trigger diode
305、905：Control circuit
401：Dc bus（DC Bus）On voltage waveform
402：Detect the voltage VC waveforms of electric capacity 303
403：The current waveform of bidirectional trigger diode 304
501：Circuit of power factor correction
502、805：Battery charger
503、806：Lamp driving circuit
504、807：Light fixture
505：Flyback DC-DC converter
506、1002：Microprocessor
503、1003：Photo-coupler
R50、R100：Start resistance
U50、U100：Pulse width modulation circuit
S50、S100：Electronic switch
D50、D51、D100、D101：Commutation diode
C50、C51、C100、C101：Commutation capacitor
R51、R101：Draw high resistance
T50、T100：Transformer
601：The voltage of node C
602：The voltage of node D
701：Single incision is closed
702：Resistance plug-in unit
703：Power-off lighting and general illumination integrated lamp
Specific embodiment
In the case where that need not change original distribution, the present invention proposes a power-off lighting and general illumination integrated lamp,
Light fixture need to be only directly mounted at user the output end of switch, it is possible to while possessing general illuminator and urgent
Illuminating lamp.
First embodiment
Fig. 2 is schematically shown as the power-off lighting of a preferred embodiment of the present invention and the circuit diagram of general illumination integrated lamp.Refer to
Fig. 2, this power-off lighting exchanges power detection circuit 201, a battery 202, the integrated electricity of a light fixture with general illumination integrated lamp including one
Road 203 and discharge circuit 207.In order to allow user more to understand spirit of the invention, in this figure, additionally depict
One lamp switch 204, wherein, this lamp switch 204 has indicator light circuit 205, that is, so-called indicator light switch（neon
switch）.This kind of indicator light switch 204 is primarily to when night lamp is closed, user can conveniently find light fixture and open
Close designed by 204 position.When indicator light switch 204 is closed（Cut-off）When, have faint electric current flowed to from live wire L it is above-mentioned
Indicator light circuit 205, therefore, indicator lamp 206 is lit.When indicator light switch 204 is unlocked（Conducting）When, A nodes and B node
Short circuit, therefore, almost no electric current flows through indicator light circuit 205, therefore, indicator lamp 206 extinguishes.
Exchange power detection circuit 201 is coupled between the second end B of lamp switch 204 and neutral conductor N.Work as lamp switch
204 are closed（Cut-off）When, exchange power detection circuit 201 flows to the second end B of lamp switch 204 by indicator light circuit 205
Circuit and neutral conductor N between electricity Ya ∕ current status, judge to be now a power down mode or a normal operating conditions.For
Allow distribution to be reduced to minimum, in this instance, use indicator light switch 204.The indicator light circuit 205 of indicator light switch 204
When 204 cut-off is switched, if alternating current is still suffered from, still there is a little electric current to flow through indicator light circuit 205.Therefore, no matter switch
Whether 204 open, and whether exchange power detection circuit 201 may detect that have a power failure.
Battery 202 is configured in power-off lighting and general illumination integrated lamp, to after a loss of power, there is provided electric power gives electric discharge electricity
Road 207, discharge circuit 207 carrying out electrical power conversion, make light fixture integrated circuit 203 will not AC power power-off or it is unstable when in
Disconnected supply of electric power.The first input end of light fixture integrated circuit 203 couples the second end B of lamp switch, light fixture integrated circuit 203
Second input coupling neutral conductor N.When lamp switch 204 is opened, light fixture integrated circuit 203 utilizes received AC power
Light the light fixture in light fixture integrated circuit 203.When lamp switch 204 is opened（Conducting）When, exchange power detection circuit 201 is natural can
From the curtage live wire L to neutral conductor N, to judge that alternating current whether there is.
When lamp switch 204 is closed（Cut-off）When, exchange power detection circuit 201 can be examined by indicator light circuit 205
The electricity Ya ∕ electric currents for measuring judge whether to have a power failure.When lamp switch 204 is closed（Cut-off）When, and exchange power detection circuit 201 judge
During for normal operating conditions, light fixture integrated circuit 203 extinguishes the light fixture in light fixture integrated circuit 203.When lamp switch 204 is closed
When, and exchange power detection circuit 201 is when being judged to power down mode, the electric power that light fixture integrated circuit 203 is received using battery 202
The light fixture in light fixture integrated circuit 203 is lighted, is used with carrying out Emergency Light.
What Fig. 3 was schematically shown as the power-off lighting of a preferred embodiment of the present invention and general illumination integrated lamp exchanges power detection circuit
201 circuit diagram.Fig. 3 is refer to, the circuit of this exchange power detection circuit 201 includes a bridge rectifier 301, current limliting electricity
Resistance 302, one detects electric capacity 303, a bidirectional trigger diode（Diode AC switch, DIAC）304 and one control circuit
305.Wherein, the circuit of exchange power detection circuit 201 is coupled to above-mentioned lamp switch 204.In this embodiment, it is not enter
The circuit of row electrical isolation is for example.Because lamp switch 204 is opened（Conducting）When, AC power AC is opened by the light fixture for turning on
204 are closed, exchange power detection circuit 201 is inputed to, be whether there is with directly detecting alternating current.Therefore, in this embodiment, first
Closed with lamp switch 204（Cut-off）To illustrate.
Fig. 4 A to Fig. 4 C are schematically shown as the power-off lighting of a preferred embodiment of the present invention and the alternating current of general illumination integrated lamp
Detect the operation waveform diagram of circuit 201.Fig. 3 and Fig. 4 A to Fig. 4 C are please also refer to, waveform 401 represents dc bus（DC Bus）
On voltage waveform, waveform 402 represent detection electric capacity 303 voltage VC waveforms.When lamp switch 204 is closed（Cut-off）When, hand over
Stream voltage VAC is to be input to bridge rectifier 301 by the indicator light circuit 205 of lamp switch 204.In time T1, flow through
The Weak current of bridge rectifier 301 can charge to current-limiting resistance 302 with detection electric capacity 303.When detection electric capacity 303
When voltage VC is charged to more than 40V（Time T2）, bidirectional trigger diode 304 is triggered and turns on, and detection electric capacity 303 can quilt
Sudden discharge, afterwards, bidirectional trigger diode 304 ends again.Next, this exchange power detection circuit 201 is just weighed as described above
Multiple operation.Control circuit 305 can detect the voltage of above-mentioned detection electric capacity 303 or the electric current/electricity of bidirectional trigger diode 304
Pressure.
In this instance, control circuit 305 detects the electric current of bidirectional trigger diode 304, in this embodiment, when alternating current is deposited
When, as shown by 403, each section of preset time T X has a current impulse to the current waveform of bidirectional trigger diode 304.
As long as control circuit 305 is within a period of time（Such as 5 times TX）, current impulse is not received, just can be determined that and now have a power failure, control
Circuit processed 305 just notifies that power-off lighting enters power down mode with general illumination integrated lamp, and lighting this with the electric power of battery 202 has a power failure
Illumination and the automatic emergency light of general illumination integrated lamp（Or the illuminating lamp of whole）.When alternating current is unstable, usually can be in a flash
Electricity is replied in power-off again.If this situation occurs, the AC detection circuit of background technology would generally allow emergent lighting lamp moment point
It is bright, moment extinguishing afterwards.So, when this kind of situation occurs, user can usually misunderstand, and think that clever different phenomenon occurs, user's meeting
Bad perception is produced to this kind of emergency lamp.Because the control circuit 305 of the present embodiment determines after a period of time is detected
Pulse is not received, just carries out lighting light fixture, also just said, the present embodiment will confirm that alternating current is fully powered-off, just light urgent photograph
It is bright.In this way, the problem of above-mentioned automatic emergency light flicker just can be avoided.
Relevant technical staff in the field should be known that above-mentioned bidirectional trigger diode 304 is only a kind of exemplary citing,
Can be replaced with such as Zener diode.In other words, as long as both end voltage reaches the threshold that threshold voltage just can be turned on
Voltage switch, just can replace above-mentioned bidirectional trigger diode 304, therefore the present invention is not with above-mentioned bidirectional trigger diode 304
Limit.
Fig. 5 A are schematically shown as the power-off lighting of a preferred embodiment of the present invention and the thin portion block diagram of general illumination integrated lamp.Please
With reference to Fig. 5 A, the light fixture integrated circuit 203 of script is more subdivided into circuit of power factor correction 501, battery and charged by this circuit
Circuit 502, lamp driving circuit 503 and light fixture 504.Circuit of power factor correction 501 is used to enter the alternating current for being received
Row PFC, and supply electricity to above-mentioned battery charger 502 and lamp driving circuit 503.Battery charger
502 are used to charge battery.Lamp driving circuit 503 is used to drive light fixture 504.
Fig. 5 B are schematically shown as the power-off lighting of a preferred embodiment of the present invention and the thin portion circuit diagram of general illumination integrated lamp.Please
With reference to Fig. 5 B, this exchange power detection circuit 201 include above-mentioned lamp switch 204, bridge rectifier 301, current-limiting resistance 302,
Detection electric capacity 303, bidirectional trigger diode（Diode AC switch, DIAC）304th, a flyback DC-DC converter
505th, a microprocessor 506, draw high resistance R51, a photo-coupler（Photo coupler）503rd, battery charger 502, lamp
Tool drive circuit 504, LED strip 504 and discharge circuit 207.Flyback DC-DC converter 505 includes that one starts resistance
R50, a pulse width modulation circuit U50, an electronic switch S50, commutation diode D50, D51, commutation capacitor C50, C51 and
Transformer T50.Here, exchange power detection circuit 201 is mainly based on microprocessor 506, because microprocessor 506 belongs to weak
Electric control, and alternating current belongs to forceful electric power, in order that light current and strong power part are preferably isolated, it is ensured that safe and reliable,
Therefore electrical isolation is needed.
In this embodiment, flyback DC-DC converter 505 is except for making electrical isolation, main is to be used to
Rate of doing work factor correcting（Power Factor Correction, PFC）, make it as consistent as possible with DC voltage wave mode, allow
Power factor (PF) levels off to 1.In addition, flyback DC-DC converter 505 can also produce two groups of voltages, charge the battery respectively
Circuit 502 and lamp driving circuit 503.Battery charger 502 is DC-DC converter, is used to produce to battery
202 direct currents for charging.Further, since this embodiment is using LED strip as light fixture 504, lamp driving circuit 503 is also direct current
To direct current transducer, to supply DC voltage, the electric current needed for LED strip 504.
Because lamp switch 204 is opened（Conducting）When, exchange power detection circuit 201 is natural can be directly from live wire L in
Curtage between property line N, judges that alternating current whether there is.Therefore, only lamp switch 204 is closed below（Cut-off）'s
Situation is described.Assuming that when lamp switch 204 is closed, battery 202 and discharge circuit 207 can replace script alternating current, right
Above-mentioned flyback DC-DC converter 505 is powered, and maintains to exchange the running of power detection circuit.Due to lamp switch
204 when closing, and LED strip 504 is OFF state, therefore, battery 202 is only needed to supply a small number of electric power and just can maintain testing mechanism
Running.
The indicator light circuit of lamp switch 204 can provide less electric current, and startup resistance R50 can flow through small electric current to be made
Pulse width modulation circuit U50 starts.After pulse width modulation circuit U50 starts, electronic switch S50 starts action, therefore, become
The assists winding of depressor T50 starts power supply VCC and also opens to pulse width modulation circuit U50, and the secondary side winding of transformer T50
Beginning supplies electricity to microprocessor 506.The present embodiment is using bidirectional trigger diode 304, due to the triggering of bidirectional trigger diode
Voltage is about 32V, therefore, the resistance R52 and startup resistance R50 of the indicator light circuit in the lamp switch 204 of the present embodiment
Partial pressure design need to be more than 32V.
In the presence of alternating current, alternating current is filled by bridge rectifier 301,302 pairs of detection electric capacity 303 of current-limiting resistance
Electricity.When the voltage VC for detecting electric capacity 303 is charged to up to 32V, bidirectional trigger diode 304 is triggered and turns on, now, inspection
Survey the electric charge stored by electric capacity 303 to be discharged by photo-coupler 503 by node C, the node of the opposite side of photo-coupler 503
D due to the conducting of photo-coupler 503, and can pulled down to logic low-voltage.
Fig. 6 A to Fig. 6 B are schematically shown as the power-off lighting of a preferred embodiment of the present invention and the alternating current of general illumination integrated lamp
Detect the operation waveform diagram of circuit 201.Fig. 5 B and Fig. 6 A to Fig. 6 B are please also refer to, waveform 601 represents the voltage of node C, ripple
Shape 602 represents the voltage of node D.Whether the detection pin position couple nodes D of microprocessor 506, persistently export for decision node D
The pulse of logic low-voltage.If power failure occurs, no electric current flows through bidirectional trigger diode 304, therefore, node D can be maintained
In logic high voltage VH, if after a period of time, microprocessor 506 still detects node D for logic High voltage state, then judge this
When be power down mode.
The exchange power detection circuit 201 of above-mentioned Fig. 5 B is powered when having a power failure using battery.Therefore, even if AC power is prominent
Right property ground is interrupted, and the testing mechanism of alternating current will not also stop immediately.Even if in addition, exchange power detection circuit 201 is in alternating current
In the case that source is unstable, can still operate, also will not immediacy ground power-off telegram in reply.
Furthermore, above-mentioned Fig. 5 B embodiments are to use flyback DC-DC converter as an example.However, this area phase
Close technical staff and should be known that above-mentioned flyback DC-DC converter also can be used other kinds of direct current to turn direct current
Parallel operation is implemented, therefore the invention is not restricted to this.In addition, above-described embodiment is to detect electric current using photo-coupler 503, however,
This area there is common thing person should be known that in order to while reaching the purpose of isolation and detection electric current, the optocoupler in Fig. 5 B
Clutch 503 can also be implemented using the relay of other forms, therefore the invention is not restricted to this.
Above-mentioned several preferred embodiments are for example with indicator light switch, and so, user is also possible to because attractive in appearance
Or in the case of decoration uniformity etc. other considerations, being unwilling, single will cut pass be replaced by indicator light switch.Here, applicant carries
Go out another preferred embodiment, be be changed without it is single cut that to close be principle, and closed singly cutting to close（Cut-off）In the case of, inspection
Survey alternating current.
Fig. 7 is schematically shown as the plug-in plug-in unit of the switch of power-off lighting and general illumination integrated lamp of a preferred embodiment of the present invention
Schematic diagram.Fig. 7 is refer to, 701 represent the single rearview for cutting pass on metope of background technology；702 represent this hair
The resistance plug-in unit of bright embodiment；703 power-off lightings and general illumination integrated lamp for representing the embodiment of the present invention.Can be seen by Fig. 7
Go out, it is single to cut the first jack for closing 701（Namely light fixture jack）The second pin T2 of resistance plug-in unit 702 is connected to, it is single to cut
Close 701 the second jack（Namely firewire jack）It is connected to the first pin T1 of resistance plug-in unit 702, the of resistance plug-in unit 702
Two jacks are connected by electrical wiring to the power-off lighting of the embodiment of the present invention and general illumination integrated lamp 703, and the of resistance plug-in unit 702
One jack is connected by electrical wiring to live wire L.Can be seen that the present embodiment by above-mentioned Fig. 7 can be used in typically without instruction
The single incision of circuit for lamp is closed.Using upper, it is only necessary to behind traditional switch, plug a resistance plug-in unit, it is possible to directly
Power-off lighting of the invention and general illumination integrated lamp are installed.
Fig. 8 A are schematically shown as the power-off lighting of a preferred embodiment of the present invention and the circuit block diagram of general illumination integrated lamp.Please
With reference to Fig. 7, Fig. 8 A and Fig. 2, this circuit includes that single incision closes 701, the resistance plug-in unit 702 of bypass, exchange power detection circuit
801st, battery 802, light fixture integrated circuit 803 and discharge circuit 804.This circuit is with the difference of the circuit of Fig. 2, Fig. 2's
Equivalent circuit is single indicator lamp and current-limiting resistance for cutting and closing plus bypass；This only single resistance for cutting pass 701 and bypass
Plug-in unit 702.Because the exchange testing mechanism of the circuit of the 8th figure is identical with the exchange testing mechanism of the circuit of Fig. 2, therefore refuse herein
Repeat.Can be seen that the present embodiment by above-mentioned Fig. 7 and the 8th figure can be used in general single incision without indicator light circuit
Close.Using upper, it is only necessary to behind traditional switch, plug a resistance plug-in unit, it is possible to be mounted directly of the invention stopping
Electric lighting and general illumination integrated lamp.
Fig. 8 B are schematically shown as the power-off lighting of a preferred embodiment of the present invention and the circuit block diagram of general illumination integrated lamp.Please
With reference to Fig. 5 A, Fig. 8 A and Fig. 8 B, same reason, this circuit more segments successfully the light fixture integrated circuit 803 of script
Rate factor correcting circuit 804, battery charger 805, lamp driving circuit 806 and light fixture 807.Circuit of power factor correction
804 are used to carry out PFC to the alternating current for being received, and supply electricity to above-mentioned battery charger 805 and light fixture
Drive circuit 806.Battery charger 805 is used to charge battery.Lamp driving circuit 806 is used to drive light fixture 807.
What Fig. 9 was schematically shown as the power-off lighting of a preferred embodiment of the present invention and general illumination integrated lamp exchanges power detection circuit
801 circuit diagram.Fig. 9 is refer to, the circuit of this exchange power detection circuit 801 includes that above-mentioned resistance plug-in unit 701, above-mentioned light fixture are opened
Close 702, one bridge rectifier 901, the detection of an a current-limiting resistance 902, electric capacity 903, a bidirectional trigger diode（diode AC
Switch, DIAC）904th, a control circuit 905.Please the circuit of Fig. 9 is made comparisons with the circuit of Fig. 3, both difference only has out
The difference of pass.Because the exchange testing mechanism of the circuit of Fig. 9 is identical with the exchange testing mechanism of the circuit of Fig. 3, therefore refuse herein
Repeat.
What Figure 10 was schematically shown as the power-off lighting of a preferred embodiment of the present invention and general illumination integrated lamp exchanges electro-detection electricity
The circuit diagram on road 801.Figure 10 is refer to, this exchange power detection circuit 801 includes above-mentioned resistance plug-in unit 701, above-mentioned lamp switch
702nd, bridge rectifier 901, current-limiting resistance 902, detection electric capacity 903, bidirectional trigger diode（Diode AC switch,
DIAC）904th, a flyback DC-DC converter 1001, a microprocessor 1002, draw high resistance R101, a photo-coupler
（Photo coupler）1003rd, battery 802, battery charger 805, lamp driving circuit 806, discharge circuit 804 and
LED lamp 807.Flyback DC-DC converter 1001 is equally intended for PFC, and it includes a startup
Resistance R100, a pulse width modulation circuit U100, an electronic switch S100, commutation diode D100, D101, commutation capacitor
C100, C101 and transformer T100.Here, exchange power detection circuit 801 is mainly based on microprocessor 1002, due to micro-
Processor 1002 belongs to vulnerabilities scan, and alternating current belongs to forceful electric power, in order that light current and strong power part are preferably isolated, protects
Card is safe and reliable, it is therefore desirable to electrical isolation.Please the circuit of Figure 10 is made comparisons with the circuit of Fig. 5 B, both only have difference
The difference of switch.Because the exchange testing mechanism of the circuit of Figure 10 is identical with the exchange testing mechanism of the circuit of Fig. 5 B, therefore herein
It will not go into details.
Figure 11 is schematically shown as the power-off lighting of a preferred embodiment of the present invention and the battery charger of general illumination integrated lamp
805 or the circuit diagram of lamp driving circuit 806.Figure 11 is refer to, in this embodiment, battery charger 805 drives with light fixture
Dynamic circuit 806 can all be used to buck-converter（Buck Converter）Implement.Same reason, the battery of Fig. 5 B charges
Circuit 502 or lamp driving circuit 503 can also be implemented with buck-converter.Figure 12 is schematically shown as a preferred embodiment of the present invention
Power-off lighting and general illumination integrated lamp discharge circuit 804 circuit diagram.Refer to Figure 12, in this embodiment, battery
Electric discharge is to use push-pull type converter back to the discharge circuit 804 of flyback converter 1001（Push-Pull Converter）It is real
Apply.And the power supply of above-mentioned microprocessor 506 and 1002 can selectivity use battery charger 805 or light fixture drive electricity
The direct current that road 806 is exported.Also, above-described embodiment, although be to make embodiment with buck-converter or push-pull type converter,
Art person skilled should be known that the difference according to design, can select the direct current of other forms to direct current
Converter, such as type of voltage step-up/down converter（Buck-Boos t Converter）, therefore the present invention is not limited with above-described embodiment.
In sum, spirit of the invention be using single bypass parallel impedance cut and close, and detect it is above-mentioned simultaneously
Impedance voltage/the current status of connection, to determine whether to have a power failure.Implementation method can selectivity directly select indicator light switch
（neon switch）Or using the single incision pass of resistance plug-in unit insertion of the embodiment of the present invention.The embodiment of the present invention it is this kind of
Power sense circuit, due to the work of rewiring need not be carried out, in other words, it is not required that remove old decoration again,
Power-off lighting and general illumination integrated lamp just can be installed.
Specific embodiment proposed in the detailed description of preferred embodiment is only used to convenient explanation technology of the invention
Content, rather than the present invention is narrowly limited to above-described embodiment, without departing from the claims in the present invention, many variations done
Implement, come under scope of the presently claimed invention.Therefore protection scope of the present invention is wanted when depending on upper attached right of applying for a patent
Book is asked to be defined.
Claims (13)
1. a kind of power-off lighting and general illumination integrated lamp, are coupled in an AC power, it is characterised in that the AC power tool
There are one first exchange end and one second exchange end,
Wherein, the power-off lighting with general illumination integrated lamp is controlled by a lamp switch, and the lamp switch includes
One first end, one second end and an indicator light circuit, wherein, first end coupling first exchange of the lamp switch
End, couples the indicator light circuit, when the lamp between the first end of the lamp switch and the second end of the lamp switch
When tool switch is closed by user, the indicator lamp in the indicator light circuit is lighted to represent that switch is closed；
Wherein, the power-off lighting includes with general illumination integrated lamp：
One exchange power detection circuit, is coupled in the second end of the lamp switch and is exchanged with described second between end, wherein, work as institute
When stating lamp switch and being closed, the exchange power detection circuit detects the of the lamp switch by the indicator light circuit
Two ends exchange the voltage/current state between end with described second, judge that current state is a power down mode or a normal work
State；
One battery, is configured at the power-off lighting and general illumination integrated lamp, to supply electrical power to the power failure after a loss of power
Illumination and general illumination integrated lamp；And
One light fixture integrated circuit, including first input end and one second input, wherein, the first of the light fixture integrated circuit
Input couples the second end of the lamp switch, the second input coupling second exchange of the light fixture integrated circuit
End；
Wherein, when the lamp switch is opened, the light fixture integrated circuit utilizes the AC power for being received to light institute
The light fixture in light fixture integrated circuit is stated,
Wherein, closed in the lamp switch, and the exchange power detection circuit is when being judged to the normal operating conditions, it is described
Light fixture integrated circuit extinguishes the light fixture in the light fixture integrated circuit,
Wherein, when the lamp switch is closed, and the exchange power detection circuit is when being judged to the power down mode, the light fixture
Integrated circuit utilizes the electric power of the battery for being received to light the light fixture in the light fixture integrated circuit；The lamp switch
The indicator light circuit includes：
One first current-limiting resistance, including a first end and one second end, wherein, the first end coupling of first current-limiting resistance
The first end of the lamp switch；And
One indicator lamp, including a first end and one second end, wherein, the first end of the indicator lamp couples first current limliting
Second end of resistance, the second end of the indicator lamp couples the second end of the lamp switch.
2. the power-off lighting according to described in claim 1 and general illumination integrated lamp, it is characterised in that the exchange electro-detection
Circuit includes：
One bridge rectifier, including a first input end, the second input, one first rectifier terminal and one second rectifier terminal,
Wherein, the first input end of the bridge rectifier couples the second end of the lamp switch, the bridge rectifier
Second input coupling the second exchange end, the second rectifier terminal coupling one first of the bridge rectifier connects voltage altogether；
One second current-limiting resistance, including a first end and one second end, wherein, the first end coupling of second current-limiting resistance
First rectifier terminal of the bridge rectifier；
One detection electric capacity, including a first end and one second end, wherein, the first end coupling described second of the detection electric capacity
Second end of current-limiting resistance, the second end coupling described first of the detection electric capacity connects voltage altogether；
One threshold switching voltage, including a first end and one second end, wherein, the first end coupling of the threshold switching voltage
Second end of second current-limiting resistance, wherein, when the voltage at the two ends of the threshold switching voltage is more than a threshold voltage, institute
State threshold switching voltage conducting；And
One control circuit, to the voltage/current state according to the threshold switching voltage, judges that current state is the power failure
State or the normal operating conditions.
3. the power-off lighting according to described in claim 2 and general illumination integrated lamp, it is characterised in that the control circuit bag
Include：
One photo-coupler, including a first input end, one second input, one first output end and one second output end, its
In, the first input end of the photo-coupler couples the second end of the threshold switching voltage, and the second of the photo-coupler is defeated
Enter end coupling described first and connect voltage altogether, the second output end coupling one second of the photo-coupler connects voltage altogether；
One draws high resistance, including a first end and one second end, wherein, it is described to draw high-resistance first end coupling one logically high
Voltage, high-resistance second end of drawing couples the first output end of the photo-coupler；And
One microprocessor, including a test side, wherein, the first of the test side coupling photo-coupler of the microprocessor is defeated
Go out end,
Wherein, when the voltage of the test side of the microprocessor maintains the logic high voltage, institute in a Preset Time, persistently
Microprocessor is stated to judge to enter the power down mode.
4. the power-off lighting according to described in claim 2 and general illumination integrated lamp, it is characterised in that the threshold voltage is opened
It is a bidirectional trigger diode to close.
5. the power-off lighting according to described in claim 2 and general illumination integrated lamp, it is characterised in that the integrated electricity of light fixture
Road includes：
One circuit of power factor correction, couples first rectifier terminal and second rectifier terminal of the bridge rectifier, its
In, the circuit of power factor correction includes one first output end and one second output end, is used to export one first straight respectively
Stream voltage and one second DC voltage, and carry out PFC；
One battery charger, including an input and an output end, wherein, the input coupling of the battery charger
First output end of the circuit of power factor correction, the output end of the battery charger couples the battery, be used to by
First DC voltage switchs to a battery charging voltage, and the battery is charged；
One lamp driving circuit, including an input and an output end, wherein, the input coupling of the lamp driving circuit
Second output end of the circuit of power factor correction is used to for second DC voltage to switch to a light fixture driving voltage；And
One LED lamp, couples the output end of the lamp driving circuit, is used to receive the light fixture driving voltage.
6. the power-off lighting according to described in claim 5 and general illumination integrated lamp, it is characterised in that the power factor school
Positive circuit includes：
One transformer, including first side winding, one first secondary side winding and one second secondary side winding, wherein, described one
Secondary side winding includes a first end and one second end, and first secondary side winding and second secondary side winding are distinguished
Including a first end and one second end, the first end of the first side winding couples the first rectification of the bridge rectifier
End, the second end coupling second of the secondary side winding connects voltage altogether；
One electronic switch, including a first end, one second end and a control end, wherein, the first end coupling of the electronic switch
The second end of the first side winding of the transformer is connect, the second end coupling described first of the electronic switch connects voltage altogether；
One pulse width modulation circuit, couples the control end of the electronic switch, and the electronic cutting is controlled with pulse wave width modulation
The ON-OFF at the first end of pass and the second end of the electronic switch, to control the electricity of the secondary side winding of the transformer
Pressure；
One first commutation diode, including an anode and a negative electrode, wherein, the anode coupling institute of first commutation diode
The first end of the first secondary side winding is stated, the negative electrode of first commutation diode couples the input of the battery charger
End；
One first commutation capacitor, including a first end and one second end, wherein, the first end coupling of first commutation capacitor
The negative electrode of first commutation diode, the second end coupling described second of first commutation capacitor connects voltage altogether；
One second commutation diode, including an anode and a negative electrode, wherein, the anode coupling institute of second commutation diode
The first end of the second secondary side winding is stated, the negative electrode of second commutation diode couples the input of the lamp driving circuit
End；And
One second commutation capacitor, including a first end and one second end, wherein, the first end coupling of second commutation capacitor
The negative electrode of second commutation diode, the second end coupling described second of second commutation capacitor connects voltage altogether.
7. a kind of power-off lighting and general illumination integrated lamp, are coupled in an AC power, it is characterised in that the AC power tool
There are one first exchange end and one second exchange end, wherein, the power-off lighting and general illumination integrated lamp are by a light fixture
Switch is controlled, wherein, the lamp switch includes a first end, one first jack, one second end and one second jack, its
In, the first end of the lamp switch couples the first exchange end by first jack, wherein, the power-off lighting with
General illumination integrated lamp includes：
One resistance plug-in unit, including one first pin, one second pin, one first jack and one second jack, wherein, the electricity
The first pin for hindering plug-in unit couples the first end of the lamp switch by the first jack of the lamp switch, and the resistance is inserted
Second pin of part couples the second end of the lamp switch by the second jack of the lamp switch, the resistance plug-in unit
First jack coupling the first exchange end；
One exchange power detection circuit, is coupled in the second jack of the resistance plug-in unit and is exchanged with described second between end, wherein, when
When the lamp switch is closed, the exchange power detection circuit detects the of the lamp switch by the resistance plug-in unit
Two ends exchange the voltage/current state between end with described second, judge that current state is a power down mode or a normal work
State；
One battery, is configured at the power-off lighting and general illumination integrated lamp, to supply electrical power to the power failure after a loss of power
Illumination and general illumination integrated lamp；And
One light fixture integrated circuit, including first input end and one second input, wherein, the first of the light fixture integrated circuit
Input couples the second jack of the resistance plug-in unit, the second input coupling second exchange of the light fixture integrated circuit
End；
Wherein, when the lamp switch is opened, the light fixture integrated circuit utilizes the AC power for being received to light institute
The light fixture in light fixture integrated circuit is stated,
Wherein, closed in the lamp switch, and the exchange power detection circuit is when being judged to the normal operating conditions, it is described
Light fixture integrated circuit extinguishes the light fixture in the light fixture integrated circuit,
Wherein, when the lamp switch is closed, and the exchange power detection circuit is when being judged to the power down mode, the light fixture
Integrated circuit utilizes the electric power of the battery for being received to light the light fixture in the light fixture integrated circuit.
8. the power-off lighting according to described in claim 7 and general illumination integrated lamp, it is characterised in that the resistance plug-in unit
Include between first pin and the second pin：
One first current-limiting resistance, including a first end and one second end, wherein, the first end coupling of first current-limiting resistance
First pin of the resistance plug-in unit, the second end of first current-limiting resistance couples the second pin of the resistance plug-in unit.
9. the power-off lighting according to described in claim 7 and general illumination integrated lamp, it is characterised in that the exchange electro-detection
Circuit includes：
One bridge rectifier, including a first input end, the second input, one first rectifier terminal and one second rectifier terminal,
Wherein, the first input end of the bridge rectifier couples the second end of the lamp switch, the bridge rectifier
Second input coupling the second exchange end, the second rectifier terminal coupling one first of the bridge rectifier connects voltage altogether；
One second current-limiting resistance, including a first end and one second end, wherein, the first end coupling of second current-limiting resistance
First rectifier terminal of the bridge rectifier；
One detection electric capacity, including a first end and one second end, wherein, the first end coupling described second of the detection electric capacity
Second end of current-limiting resistance, the second end coupling described first of the detection electric capacity connects voltage altogether；
One threshold switching voltage, including a first end and one second end, wherein, the first end coupling of the threshold switching voltage
Second end of second current-limiting resistance, wherein, when the voltage at the two ends of the threshold switching voltage is more than a threshold voltage, institute
State threshold switching voltage conducting；And
One control circuit, to the voltage/current state according to the threshold switching voltage, judges that current state is the power failure
State or the normal operating conditions.
10. the power-off lighting according to described in claim 9 and general illumination integrated lamp, it is characterised in that the control circuit
Including：
One photo-coupler, including a first input end, one second input, one first output end and one second output end, its
In, the first input end of the photo-coupler couples the second end of the threshold switching voltage, and the second of the photo-coupler is defeated
Enter end coupling described first and connect voltage altogether, the second output end coupling one second of the photo-coupler connects voltage altogether；
One draws high resistance, including a first end and one second end, wherein, it is described to draw high-resistance first end coupling one logically high
Voltage, high-resistance second end of drawing couples the first output end of the photo-coupler；And
One microprocessor, including a test side, wherein, the first of the test side coupling photo-coupler of the microprocessor is defeated
Go out end,
Wherein, when the voltage of the test side of the microprocessor maintains the logic high voltage, institute in a Preset Time, persistently
Microprocessor is stated to judge to enter the power down mode.
11. power-off lighting according to described in claim 9 and general illumination integrated lamp, it is characterised in that the threshold voltage
It is a bidirectional trigger diode to switch.
12. power-off lighting according to described in claim 9 and general illumination integrated lamp, it is characterised in that the light fixture is integrated
Circuit includes：
One circuit of power factor correction, couples first rectifier terminal and second rectifier terminal of the bridge rectifier, its
In, the circuit of power factor correction includes one first output end and one second output end, is used to export one first straight respectively
Stream voltage and one second DC voltage, and carry out PFC；
One battery charger, including an input and an output end, wherein, the input coupling of the battery charger
First output end of the circuit of power factor correction, the output end of the battery charger couples the battery, be used to by
First DC voltage switchs to a battery charging voltage, and the battery is charged；
One lamp driving circuit, including an input and an output end, wherein, the input coupling of the lamp driving circuit
Second output end of the circuit of power factor correction is used to for second DC voltage to switch to a light fixture driving voltage；And
One LED lamp, couples the output end of the lamp driving circuit, is used to receive the light fixture driving voltage.
13. power-off lighting according to described in claim 12 and general illumination integrated lamp, it is characterised in that the power factor
Correcting circuit includes：
One transformer, including first side winding, one first secondary side winding and one second secondary side winding, wherein, described one
Secondary side winding includes a first end and one second end, and first secondary side winding and second secondary side winding are distinguished
Including a first end and one second end, the first end of the first side winding couples the first rectification of the bridge rectifier
End, the second end coupling second of the secondary side winding connects voltage altogether；
One electronic switch, including a first end, one second end and a control end, wherein, the first end coupling of the electronic switch
The second end of the first side winding of the transformer is connect, the second end coupling described first of the electronic switch connects voltage altogether；
One pulse width modulation circuit, couples the control end of the electronic switch, and the electronic cutting is controlled with pulse wave width modulation
The ON-OFF at the first end of pass and the second end of the electronic switch, to control the electricity of the secondary side winding of the transformer
Pressure；
One first commutation diode, including an anode and a negative electrode, wherein, the anode coupling institute of first commutation diode
The first end of the first secondary side winding is stated, the negative electrode of first commutation diode couples the input of the battery charger
End；
One first commutation capacitor, including a first end and one second end, wherein, the first end coupling of first commutation capacitor
The negative electrode of first commutation diode, the second end coupling described second of first commutation capacitor connects voltage altogether；
One second commutation diode, including an anode and a negative electrode, wherein, the anode coupling institute of second commutation diode
The first end of the second secondary side winding is stated, the negative electrode of second commutation diode couples the input of the lamp driving circuit
End；And
One second commutation capacitor, including a first end and one second end, wherein, the first end coupling of second commutation capacitor
The negative electrode of second commutation diode, the second end coupling described second of second commutation capacitor connects voltage altogether.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310338065.2A CN104349536B (en) | 2013-08-05 | 2013-08-05 | Power-off lighting and general illumination integrated lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310338065.2A CN104349536B (en) | 2013-08-05 | 2013-08-05 | Power-off lighting and general illumination integrated lamp |
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| Publication Number | Publication Date |
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| CN104349536A CN104349536A (en) | 2015-02-11 |
| CN104349536B true CN104349536B (en) | 2017-06-16 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA3014905C (en) * | 2016-02-18 | 2023-09-12 | Eaton Intelligent Power Limited | Reserve power and control for light sources in a light fixture |
| JP6016318B1 (en) * | 2016-03-02 | 2016-10-26 | 日本スピードショア株式会社 | CONTROL DEVICE FOR LIGHTING SYSTEM AND LIGHTING SYSTEM |
| CN109309991B (en) * | 2018-10-23 | 2021-04-27 | 深圳市联控智能科技有限公司 | Control method, control device and control system |
| CN117279157B (en) * | 2023-07-19 | 2025-03-18 | 杰华特微电子股份有限公司 | Emergency lighting circuit and lighting system |
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| WO2009011562A2 (en) * | 2007-07-16 | 2009-01-22 | Darren Aster Gunasekera | Emergency light adapter |
| CN101761852A (en) * | 2008-12-18 | 2010-06-30 | 上海市七宝中学 | Light emitting diode matrix lamp optical system |
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|---|---|---|---|---|
| CN2402045Y (en) * | 1999-11-23 | 2000-10-18 | 高水来 | Uninterruptible Power Supply for Fluorescent Lamps |
| WO2009011562A2 (en) * | 2007-07-16 | 2009-01-22 | Darren Aster Gunasekera | Emergency light adapter |
| CN101761852A (en) * | 2008-12-18 | 2010-06-30 | 上海市七宝中学 | Light emitting diode matrix lamp optical system |
| CN102264168A (en) * | 2010-05-25 | 2011-11-30 | 合肥三川自控工程有限责任公司 | Induction lighting lamp and induction lighting system |
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| CN104349536A (en) | 2015-02-11 |
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