CN104619071B - A kind of illumination control circuit and lamps and lanterns - Google Patents
A kind of illumination control circuit and lamps and lanterns Download PDFInfo
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- CN104619071B CN104619071B CN201310542559.2A CN201310542559A CN104619071B CN 104619071 B CN104619071 B CN 104619071B CN 201310542559 A CN201310542559 A CN 201310542559A CN 104619071 B CN104619071 B CN 104619071B
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Abstract
The embodiment of the invention discloses a kind of illumination control circuit and lamps and lanterns.Wherein, the circuit includes voltage input circuit, control circuit and feed circuit, wherein: the output end of the first input end connection voltage input circuit of control circuit, the output end of the second input terminal connection feed circuit of control circuit, the input terminal of the output end connection feed circuit of control circuit, the output end of control circuit is for connecting lighting load, and the input terminal of voltage input circuit is for connecting AC power source.Implement the embodiment of the present invention, it is only necessary to which common component can realize the control to lighting circuit, and structure is simple, and stability is high.
Description
Technical field
The present invention relates to electronic circuit technology fields, and in particular to a kind of illumination control circuit and lamps and lanterns.
Background technique
As economic continuous development and the rapid advances of society, various lighting circuits are widely used in
In people's lives and work, such as domestic lighting, plant produced line lighting.Most of existing lighting circuit uses power supply
Managing chip is come the stabilization for adjusting output voltage with exporting electric current, and structure is complicated and at high cost for such lighting circuit.
Summary of the invention
The technical problem to be solved by the embodiment of the invention is that providing a kind of illumination control circuit and lamps and lanterns, it is only necessary to often
See that component can realize the control to lighting circuit, and structure is simple, stability is high.
To solve the above-mentioned problems, the embodiment of the invention provides a kind of illumination control circuits, comprising:
Voltage input circuit, control circuit and feed circuit, in which:
The first input end of the control circuit connects the output end of the voltage input circuit, and the of the control circuit
Two input terminals connect the output end of the feed circuit, and the output end of the control circuit connects the input of the feed circuit
End, the output end of the control circuit is for connecting lighting load, and the input terminal of the voltage input circuit is for connecting exchange
Power supply；The control circuit is used to convert the DC voltage that the voltage input circuit exports to the electricity for lighting load work
Pressure；The voltage input circuit is used to convert DC voltage for the alternating voltage that the AC power source exports, and by direct current
Pressure is supplied to the control circuit；The feed circuit be used to stablize control circuit output for working for lighting load
Voltage and electric current.
Wherein, the control circuit includes resistance R101, resistance R102, resistance R103, resistance R104, resistance R107, electricity
Hinder R201, resistance R203, capacitor C102, capacitor C103, capacitor C105, capacitor C201, capacitor C202, capacitor C203, capacitor
C206, capacitor C207, diode D101, diode D102, diode D201, voltage-stabiliser tube Z201, inductance L201, inductance L202,
Inductance L203, transformer T1；
The one end the resistance R101 is separately connected the output end of the voltage input circuit, the one end the capacitor C102, institute
Primary winding one end of the one end resistance R103 and the transformer T1 is stated, the capacitor C102 other end is separately connected the resistance
The cathode of the R103 other end and the diode D101, the anode of the diode D101 connect the transformer T1 it is former around
The group other end, first auxiliary winding one end of the transformer T1 are separately connected the one end the resistance R201 and diode D201
Anode, the resistance R201 other end connect the one end the capacitor C203, and the capacitor C203 other end is separately connected described two
The cathode of pole pipe D201, the anode of the capacitor C201, the cathode of the voltage-stabiliser tube Z201 and the one end the inductance L201, institute
It states the inductance L201 other end and is separately connected the one end the capacitor C202, the one end the capacitor C206 and the inductance L202 mono-
End, the inductance L202 other end connect the one end the capacitor C207, the one end the resistance R203 and the capacitor C207 mono-
End connects the input terminal of the feed circuit, and the first auxiliary winding other end of the transformer T1 is separately connected the capacitor C201
Cathode, the voltage-stabiliser tube Z201 anode, the capacitor C202 other end, the capacitor C206 other end and the inductance
The one end L203, the resistance R101 other end connect the one end the resistance R102, and the resistance R102 other end is separately connected institute
The output end of the one end capacitor C103 and the feed circuit is stated, the capacitor C103 other end connects the resistance R104 mono-
End, the resistance R104 other end are separately connected the anode of the diode D102 and the second auxiliary winding of the transformer T1
One end, the cathode of the diode D102 connect the one end the resistance R107, and the resistance R107 other end connects the capacitor
The one end C105, the capacitor C105 other end connect the second auxiliary winding other end of the transformer T1 and for being grounded, wherein
The capacitor C207 other end, the resistance R203 other end and the inductance L203 other end are connected and are used to be grounded,
The one end the resistance R203 and the one end the capacitor C207 are for connecting lighting load, the primary winding one of the transformer T1
The second auxiliary winding other end at end, the first auxiliary winding other end of the transformer T1 and the transformer T1 is of the same name each other
End.
Wherein, voltage input circuit includes fuse F1, filter capacitor CY1, filter capacitor CY2, rectifier bridge BD and filter
Wave capacitor C101；
The one end the fuse F1 is separately connected the one end the filter capacitor CY1, the one end the filter capacitor CY2 and institute
One end of the power input of rectifier bridge BD is stated, it is another that the filter capacitor CY1 other end is separately connected the filter capacitor CY2
The other end of the power input of end and the rectifier bridge BD, the positive output end connection of the DC output end of the rectifier bridge BD
The negative output terminal of the anode of the filter capacitor C101, the DC output end of the rectifier bridge BD connects the filter capacitor C101
Cathode, wherein the fuse F1 other end and the filter capacitor CY1 other end for connecting the AC power source,
The cathode of the filter capacitor C101 is for being grounded.
Wherein, the feed circuit includes metal-oxide-semiconductor Q101, resistance R105, resistance R106, voltage-stabiliser tube ZD, resistance R109, electricity
Hold C104, triode Q102, triode Q103, resistance R108, photoelectrical coupler U203, diode D202, diode D203, steady
Pressure pipe IC, comparator U201, comparator U202, resistance R202, resistance R206, capacitor C205, resistance R209, resistance R210, electricity
Hinder R211, resistance R204, resistance R205, resistance R207, resistance R208 and capacitor C204；
The drain electrode of the metal-oxide-semiconductor connects the anode of the diode D101, and the source electrode of the metal-oxide-semiconductor connects the resistance
The one end R105, the grid of the metal-oxide-semiconductor are separately connected the resistance R102 other end, the one end the resistance R106, the pressure stabilizing
Pipe ZD cathode, the one end the resistance R109, the one end the capacitor C104 and the triode Q103 emitter, three pole
The collector of pipe Q103 is separately connected the one end the resistance R108, the first output end of the photoelectrical coupler U203 and described
The base stage of triode Q102, the base stage of the triode Q103 are separately connected the resistance R109 other end, the resistance C104
The collector of the other end and the triode Q102, the resistance R108 other end are separately connected the photoelectrical coupler U203
Second output terminal and the resistance R107 other end, the first input end of the photoelectrical coupler U203 connect the resistance
The one end R202, the resistance R202 other end are separately connected the one end the resistance R210, the one end the resistance R211, the comparison
The positive power source terminal of device U201, the positive power source terminal of the comparator U202 and the one end the capacitor C207, the resistance R210 are another
One end is separately connected the non-inverting input terminal of the one end the resistance R209, the one end the capacitor C205 and the comparator U201,
The capacitor C205 other end connects the one end the resistance R206, and the resistance R206 other end is separately connected the comparator
The cathode of the output end of U201 and the diode D203, the anode of the D203 are separately connected the photoelectrical coupler U203
The second input terminal and the diode D202 anode, the cathode of the diode D202 is separately connected the comparator
The output end of U202 and the one end the resistance R205, the resistance R205 other end connects the one end the capacitor C204, described
The capacitor C204 other end is separately connected the inverting input terminal of the one end the resistance R204 and the comparator U202, the resistance
The R204 other end connects the one end the resistance R203, and the non-inverting input terminal of the comparator U202 is separately connected the resistance R208
One end and the one end the resistance R207, the resistance R208 other end are separately connected the first end, described of the voltage-stabiliser tube IC
The inverting input terminal of the second end of voltage-stabiliser tube IC, the resistance R211 other end and the comparator U201, the voltage-stabiliser tube
The third end of IC connects the resistance R207 other end and for being grounded, the negative power end of the comparator U201, the comparison
The negative power end of device U202 and the resistance R209 other end are respectively used to be grounded, the emitter of the triode Q102, institute
The anode, the resistance R106 other end and the resistance R105 other end for stating voltage-stabiliser tube ZD are connected and are used to be grounded.
Wherein, the metal-oxide-semiconductor Q101 is N-channel MOS pipe.
Wherein, the triode Q102 is NPN type triode.
Wherein, the triode Q103 is PNP type triode.
Correspondingly, the embodiment of the invention also provides a kind of lamps and lanterns, including above-mentioned illumination control circuit and LED light.
In the embodiment of the present invention, control circuit converts the DC voltage that voltage input circuit exports to for lighting load work
The DC voltage of work, and the voltage and electricity for working for lighting load exported by feed circuit come stabilization control circuit
Stream.As it can be seen that implementing the embodiment of the present invention, it is only necessary to which common component can realize the control to lighting circuit, and structure letter
Single, stability is high.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to needed in the embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of structure chart of illumination control circuit provided in an embodiment of the present invention；
Fig. 2 is the structure chart of another illumination control circuit provided in an embodiment of the present invention；
Fig. 3 is a kind of structure chart of lamps and lanterns provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, Fig. 1 is a kind of structure chart of illumination control circuit provided in an embodiment of the present invention.As shown in Figure 1,
The illumination control circuit 100 includes control circuit 101, voltage input circuit 102 and feed circuit 103, in which:
The output end of the first input end connection voltage input circuit 102 of control circuit 101, the second of control circuit 101
Input terminal connects the output end of feed circuit 103, the input terminal of the output end connection feed circuit 103 of control circuit 101, control
The output end of circuit 101 is for connecting lighting load, and the input terminal of voltage input circuit 102 is for connecting AC power source；Control
Circuit 101 is used to convert the DC voltage that voltage input circuit 102 exports to the voltage for lighting load work；Voltage input
Circuit 102 is used to convert DC voltage for the alternating voltage that AC power source exports, and DC voltage is supplied to control circuit
101；Feed circuit 103 is used for the voltage and electric current for working for lighting load that stabilization control circuit 101 exports.
In the embodiment of the present invention, control circuit 101 converts the DC voltage that voltage input circuit 102 exports to for illumination
The DC voltage of loaded work piece, and be used to work for lighting load come what stabilization control circuit 101 exported by feed circuit 103
Voltage and electric current.As it can be seen that implementing the embodiment of the present invention, it is only necessary to which common component can realize the control to lighting circuit
System, and structure is simple, stability is high.
Referring to Fig. 2, Fig. 2 is the structure chart of another illumination control circuit provided in an embodiment of the present invention.Such as Fig. 2 institute
Show, which includes control circuit 201, voltage input circuit 202 and feed circuit 203, in which:
As an alternative embodiment, control circuit 201 may include resistance R101, resistance R102, resistance R103,
Resistance R104, resistance R107, resistance R201, resistance R203, capacitor C102, capacitor C103, capacitor C105, capacitor C201, capacitor
C202, capacitor C203, capacitor C206, capacitor C207, diode D101, diode D102, diode D201, voltage-stabiliser tube Z201,
Inductance L201, inductance L202, inductance L203, transformer T1, in which:
The one end resistance R101 is separately connected the output end of voltage input circuit 202, the one end capacitor C102, the one end resistance R103
And one end primary winding N1 of transformer T1, the capacitor C102 other end are separately connected the resistance R103 other end and diode D101
Cathode, diode D101 anode connection transformer T1 the primary winding N1 other end, the first auxiliary winding N2 mono- of transformer T1
End is separately connected the anode of the one end resistance R201 and diode D201, and the resistance R201 other end connects the one end capacitor C203, electricity
Hold cathode and inductance that the C203 other end is separately connected the cathode of diode D201, the anode of capacitor C201, voltage-stabiliser tube Z201
The one end L201, the inductance L201 other end are separately connected the one end capacitor C202, the one end capacitor C206 and the one end inductance L202, inductance
The L202 other end connects the one end capacitor C207, the input of the one end resistance R203 and the one end capacitor C207 connection feed circuit 203
End, the first auxiliary winding N1 other end of transformer T1 are separately connected the cathode of capacitor C201, the anode of voltage-stabiliser tube Z201, capacitor
The C202 other end, the capacitor C206 other end and the one end inductance L203, the resistance R101 other end connect the one end resistance R102, resistance
The R102 other end is separately connected the output end of the one end capacitor C103 and feed circuit 203, and the capacitor C103 other end connects resistance
The one end R104, the resistance R104 other end are separately connected the anode of diode D102 and the second auxiliary winding N3 mono- of transformer T1
End, the cathode of diode D102 connect the one end resistance R107, and the resistance R107 other end connects the one end capacitor C105, and capacitor C105 is another
The second auxiliary winding N3 other end of one end connection transformer T1 simultaneously is used to be grounded, wherein the capacitor C207 other end, resistance R203 are another
One end and the inductance L203 other end are connected and are used to be grounded, and the one end resistance R203 and the one end capacitor C207 are shone for connecting
Bright load, one end primary winding N1 of transformer T1, the first auxiliary winding N2 other end of transformer T1 and transformer T1 second
Auxiliary winding N3 other end Same Name of Ends each other.
Further alternative, control circuit 201 further includes capacitor CY, in which:
The one end capacitor CY connects the first auxiliary winding N2 other end of transformer T1, and the capacitor CY other end connects transformer T1's
The second auxiliary winding N3 other end.
In the embodiment of the present invention, capacitor CY can improve the stability of circuit with the interference of filtering clutter.
It is further alternative, voltage input circuit 202 may include fuse F1, filter capacitor CY1, filter capacitor CY2,
Rectifier bridge BD and filter capacitor C101, in which:
The one end fuse F1 is separately connected the power supply of the one end filter capacitor CY1, the one end filter capacitor CY2 and rectifier bridge BD
One end 1 of input terminal, the filter capacitor CY1 other end is separately connected the filter capacitor CY2 other end and the power supply of rectifier bridge BD is defeated
Enter the other end 3 at end, the positive output end 2 of the DC output end of rectifier bridge BD connects the anode of filter capacitor C101, rectifier bridge BD
DC output end negative output terminal 4 connect filter capacitor C101 cathode, wherein the fuse F1 other end and filter capacitor
The CY1 other end is for connecting AC power source, and the cathode of filter capacitor C101 is for being grounded.
Further alternative, voltage input circuit 202 can also include resistance RA, resistance RB, inductance L101 and inductance
L102, in which:
The one end resistance RA connects the one end resistance RB, and the resistance RA other end is separately connected the one end filter capacitor CY1 and inductance
The one end L101, the inductance L101 other end connect the one end filter capacitor CY2, and it is another that the resistance RB other end is separately connected filter capacitor CY1
One end and the one end inductance L102, the inductance L102 other end connect the filter capacitor CY2 other end.
In the embodiment of the present invention, resistance RA and resistance RB are for absorbing high pressure, inductance L101 and inductance L102 for filtering
Noise wave removing.
Further alternative, feed circuit 203 includes metal-oxide-semiconductor Q101, resistance R105, resistance R106, voltage-stabiliser tube ZD, resistance
R109, capacitor C104, triode Q102, triode Q103, resistance R108, photoelectrical coupler U203, diode D202, diode
D203, voltage-stabiliser tube IC, comparator U201, comparator U202, resistance R202, resistance R206, capacitor C205, resistance R209, resistance
R210, resistance R211, resistance R204, resistance R205, resistance R207, resistance R208 and capacitor C204, in which:
The anode of the drain electrode connection diode D101 of metal-oxide-semiconductor, the source electrode of metal-oxide-semiconductor connect the one end resistance R105, the grid of metal-oxide-semiconductor
Pole is separately connected the resistance R102 other end, the one end resistance R106, voltage-stabiliser tube ZD cathode, the one end resistance R109, the one end capacitor C104
And the emitter of triode Q103, the collector of triode Q103 are separately connected the one end resistance R108, photoelectrical coupler U203
The first output end and triode Q102 base stage, the base stage of triode Q103 is separately connected the resistance R109 other end, resistance
It is second defeated to be separately connected photoelectrical coupler U203 for the collector of the C104 other end and triode Q102, the resistance R108 other end
The first input end of outlet and the resistance R107 other end, photoelectrical coupler U203 connects the one end resistance R202, and resistance R202 is another
One end be separately connected the one end resistance R210, the one end resistance R211, the positive power source terminal of comparator U201, comparator U202 positive supply
End and the one end capacitor C207, the resistance R210 other end are separately connected the one end resistance R209, the one end capacitor C205 and comparator
The non-inverting input terminal of U201, the capacitor C205 other end connect the one end resistance R206, and the resistance R206 other end is separately connected comparator
The output end of U201 and the cathode of diode D203, the anode of D203 are separately connected the second input terminal of photoelectrical coupler U203
And the anode of diode D202, the cathode of diode D202 are separately connected the output end and resistance R205 mono- of comparator U202
End, the resistance R205 other end connect the one end capacitor C204, and the capacitor C204 other end is separately connected the one end resistance R204 and compares
The inverting input terminal of device U202, the resistance R204 other end connect the one end resistance R203, the non-inverting input terminal difference of comparator U202
Connection one end resistance R208 and the one end resistance R207, the resistance R208 other end are separately connected the first end of voltage-stabiliser tube IC, pressure stabilizing
The third end of second end, the inverting input terminal of the resistance R211 other end and comparator U201 of pipe IC, voltage-stabiliser tube IC connects electricity
The resistance R207 other end simultaneously is used to be grounded, the negative power end of comparator U201, the negative power end of comparator U202 and resistance R209
The other end is respectively used to be grounded, the emitter of triode Q102, the anode of voltage-stabiliser tube ZD, the resistance R106 other end and resistance
The R105 other end is connected and is used to be grounded.
Optionally, metal-oxide-semiconductor Q101 is N-channel MOS pipe.
Optionally, triode Q102 is NPN type triode.
Optionally, triode Q103 is PNP type triode.
It is described in detail below with reference to principle of the Fig. 2 to illumination control circuit 200 provided in an embodiment of the present invention.
In the embodiment of the present invention, voltage input circuit 202 passes through the filter action of filter capacitor CY1 and rectifier bridge BD
The ac voltage rectifier that rectified action exports AC power source is that DC voltage is after filter capacitor C101 filtering clutter
Control circuit 201 provides DC voltage；The DC voltage exported by voltage input circuit 202 is by transformation in control circuit 201
Capacitor C202 in the transformation and control circuit 201 of device, the filtering of capacitor C206 and capacitor C207 and voltage-stabiliser tube Z201
After pressure stabilizing, operating voltage and electric current are provided for lighting load；The voltage that control circuit 201 exports is by feed circuit 203
After the sampling of resistance R210 and resistance R209, by comparator U201 compared with the voltage that voltage-stabiliser tube IC is provided after make comparator
The output end of U201 exports low level, and changes metal-oxide-semiconductor by photoelectrical coupler U203, triode Q102 and triode Q103
The voltage of Q101 grid carrys out the stabilization of 201 output voltage of adjusting control circuit, and by comparing the sampled voltage of resistance R204 and
The voltage that voltage-stabiliser tube IC is provided has the function that stabilization control circuit 201 exports electric current.
As it can be seen that implementing the embodiment of the present invention, it is only necessary to which common component can realize the control to lighting circuit, and tie
Structure is simple, and stability is high.
Referring to Fig. 3, Fig. 3 is a kind of structure chart of lamps and lanterns provided in an embodiment of the present invention.As shown in figure 3, the lamps and lanterns packet
Illumination control circuit 301 and LED light 302 are included, wherein illumination control circuit 301 includes the Lighting control electricity in above-described embodiment
Illumination control circuit in road, with above-described embodiment is based on same design, and bring beneficial effect is also identical, and particular content is asked
The embodiment of reference illumination control circuit, details are not described herein again.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage
Medium may include: flash disk, read-only memory (Read-Only Memory, ROM), random access device (Random Access
Memory, RAM), disk or CD etc..
A kind of illumination control circuit is provided to the embodiment of the present invention above and lamps and lanterns are described in detail, and is answered herein
With specific example, principle and implementation of the present invention are described, and the explanation of above example is only intended to help to manage
Solve method and its core concept of the invention；At the same time, for those skilled in the art, according to the thought of the present invention,
There will be changes in specific embodiment and application range, in conclusion the content of the present specification should not be construed as to this hair
Bright limitation.
Claims (8)
1. a kind of illumination control circuit characterized by comprising
Voltage input circuit, control circuit and feed circuit, in which:
The first input end of the control circuit connects the output end of the voltage input circuit, and the second of the control circuit is defeated
Enter the output end that end connects the feed circuit, the output end of the control circuit connects the input terminal of the feed circuit, institute
The output end of control circuit is stated for connecting lighting load, the input terminal of the voltage input circuit is for connecting AC power source；
The control circuit is used to convert the DC voltage that the voltage input circuit exports to the voltage for lighting load work；Institute
Voltage input circuit is stated for converting DC voltage for the alternating voltage that the AC power source exports, and DC voltage is provided
To the control circuit；The feed circuit is used to stablize the voltage for working for lighting load of the control circuit output
And electric current；
The voltage input circuit includes:
Fuse F1, filter capacitor CY1, filter capacitor CY2, rectifier bridge BD and filter capacitor C101, in which:
The one end the fuse F1 is separately connected the one end the filter capacitor CY1, one end the filter capacitor CY2 and described whole
Flow bridge BD power input one end, the filter capacitor CY1 other end be separately connected the filter capacitor CY2 other end with
And the other end of the power input of the rectifier bridge BD, the DC output end of the rectifier bridge BD positive output end connection described in
The anode of filter capacitor C101, the negative output terminal of the DC output end of the rectifier bridge BD connect the yin of the filter capacitor C101
Pole, wherein the fuse F1 other end and the filter capacitor CY1 other end are described for connecting the AC power source
The cathode of filter capacitor C101 is for being grounded；
The control circuit includes:
Resistance R101, resistance R102, resistance R103, resistance R104, resistance R107, resistance R201, resistance R203, capacitor C102,
Capacitor C103, capacitor C105, capacitor C201, capacitor C202, capacitor C203, capacitor C206, capacitor C207, diode D101, two
Pole pipe D102, diode D201, voltage-stabiliser tube Z201, inductance L201, inductance L202, inductance L203, transformer T1, in which:
The one end the resistance R101 is separately connected the output end of the voltage input circuit, the one end the capacitor C102, the electricity
It hinders the one end R103 and primary winding one end of the transformer T1, the capacitor C102 other end is separately connected the resistance R103
The cathode of the other end and the diode D101, the primary winding that the anode of the diode D101 connects the transformer T1 are another
One end, first auxiliary winding one end of the transformer T1 are separately connected the sun of the one end the resistance R201 and diode D201
Pole, the resistance R201 other end connect the one end the capacitor C203, and the capacitor C203 other end is separately connected two pole
The cathode of pipe D201, the anode of the capacitor C201, the cathode of the voltage-stabiliser tube Z201 and the one end the inductance L201, it is described
The inductance L201 other end is separately connected the one end the capacitor C202, the one end the capacitor C206 and the one end the inductance L202,
The inductance L202 other end connects the one end the capacitor C207, and the one end the resistance R203 and the one end the capacitor C207 connect
The input terminal of the feed circuit is connect, the first auxiliary winding other end of the transformer T1 is separately connected the yin of the capacitor C201
Pole, the anode of the voltage-stabiliser tube Z201, the capacitor C202 other end, the capacitor C206 other end and the inductance L203
One end, the resistance R101 other end connect the one end the resistance R102, and the resistance R102 other end is separately connected the electricity
Hold the output end of the one end C103 and the feed circuit, the capacitor C103 other end connects the one end the resistance R104, institute
It states the resistance R104 other end and is separately connected the anode of the diode D102 and second auxiliary winding one end of the transformer T1,
The cathode of the diode D102 connects the one end the resistance R107, and the resistance R107 other end connects the capacitor C105 mono-
End, the capacitor C105 other end connect the second auxiliary winding other end of the transformer T1 and for being grounded, wherein the electricity
Hold the C207 other end, the resistance R203 other end and the inductance L203 other end to be connected and be used to be grounded, the electricity
Resistance one end R203 and the one end the capacitor C207 are primary winding one end of the transformer T1, described for connecting lighting load
The second auxiliary winding other end of the first auxiliary winding other end of transformer T1 and the transformer T1 Same Name of Ends each other.
2. circuit as described in claim 1, which is characterized in that the feed circuit includes:
Metal-oxide-semiconductor Q101, resistance R105, resistance R106, voltage-stabiliser tube ZD, resistance R109, capacitor C104, triode Q102, triode
Q103, resistance R108, photoelectrical coupler U203, diode D202, diode D203, voltage-stabiliser tube IC, comparator U201, comparator
U202, resistance R202, resistance R206, capacitor C205, resistance R209, resistance R210, resistance R211, resistance R204, resistance R205,
Resistance R207, resistance R208 and capacitor C204, in which:
The drain electrode of the metal-oxide-semiconductor connects the anode of the diode D101, and the source electrode of the metal-oxide-semiconductor connects the resistance R105 mono-
End, the grid of the metal-oxide-semiconductor are separately connected the resistance R102 other end, the one end the resistance R106, voltage-stabiliser tube ZD yin
Pole, the one end the resistance R109, the one end the capacitor C104 and the triode Q103 emitter, the triode Q103
Collector be separately connected first output end and the triode of the one end the resistance R108, the photoelectrical coupler U203
The base stage of Q102, the base stage of the triode Q103 are separately connected the resistance R109 other end, the capacitor C104 other end
And the collector of the triode Q102, the resistance R108 other end are separately connected the second of the photoelectrical coupler U203
The first input end of output end and the resistance R107 other end, the photoelectrical coupler U203 connects the resistance R202 mono-
End, the resistance R202 other end are separately connected the one end the resistance R210, the one end the resistance R211, the comparator U201
Positive power source terminal, the comparator U202 positive power source terminal and the one end the capacitor C207, the resistance R210 other end point
The non-inverting input terminal of the one end the resistance R209, the one end the capacitor C205 and the comparator U201, the electricity are not connected
Hold the C205 other end and connect the one end the resistance R206, the resistance R206 other end is separately connected the defeated of the comparator U201
It is second defeated to be separately connected the photoelectrical coupler U203 for the cathode of outlet and the diode D203, the anode of the D203
Enter end and the anode of the diode D202, the cathode of the diode D202 are separately connected the output of the comparator U202
End and the one end the resistance R205, the resistance R205 other end connect the one end the capacitor C204, and the capacitor C204 is another
One end is separately connected the inverting input terminal of the one end the resistance R204 and the comparator U202, the resistance R204 other end
The one end the resistance R203 is connected, the non-inverting input terminal of the comparator U202 is separately connected the one end the resistance R208 and institute
State the one end resistance R207, the resistance R208 other end is separately connected the first end of the voltage-stabiliser tube IC, the voltage-stabiliser tube IC
The inverting input terminal of second end, the resistance R211 other end and the comparator U201, the third end of the voltage-stabiliser tube IC
Connect the resistance R207 other end and for being grounded, the negative power end of the comparator U201, the comparator U202 it is negative
Power end and the resistance R209 other end are respectively used to be grounded, the emitter of the triode Q102, the voltage-stabiliser tube ZD
Anode, the resistance R106 other end and the resistance R105 other end be connected and be used to be grounded.
3. circuit as claimed in claim 2, which is characterized in that the voltage input circuit further include:
Resistance RA, resistance RB, inductance L101 and inductance L102, in which:
The one end the resistance RA connects the one end the resistance RB, and the resistance RA other end is separately connected the filter capacitor CY1
One end and the one end the inductance L101, the inductance L101 other end connect the one end the filter capacitor CY2, the resistance RB
The other end is separately connected the filter capacitor CY1 other end and the one end the inductance L102, and the inductance L102 other end connects
Connect the filter capacitor CY2 other end.
4. circuit as claimed in claim 2, which is characterized in that the control circuit further includes capacitor CY, in which:
The one end the capacitor CY connects the first auxiliary winding other end of the transformer T1, described in the capacitor CY other end connection
The second auxiliary winding other end of transformer T1.
5. circuit as claimed in claim 4, which is characterized in that the metal-oxide-semiconductor Q101 is N-channel MOS pipe.
6. circuit as claimed in claim 4, which is characterized in that the triode Q102 is NPN type triode.
7. circuit as claimed in claim 4, which is characterized in that the triode Q103 is PNP type triode.
8. a kind of lamps and lanterns, which is characterized in that including the described in any item circuits of claim 1~7 and LED light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310542559.2A CN104619071B (en) | 2013-11-05 | 2013-11-05 | A kind of illumination control circuit and lamps and lanterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310542559.2A CN104619071B (en) | 2013-11-05 | 2013-11-05 | A kind of illumination control circuit and lamps and lanterns |
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| Publication Number | Publication Date |
|---|---|
| CN104619071A CN104619071A (en) | 2015-05-13 |
| CN104619071B true CN104619071B (en) | 2019-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310542559.2A Active CN104619071B (en) | 2013-11-05 | 2013-11-05 | A kind of illumination control circuit and lamps and lanterns |
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| Country | Link |
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| CN (1) | CN104619071B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101431846A (en) * | 2008-12-02 | 2009-05-13 | 晋城市环球利特光电技术有限公司 | Driving circuit of LED lighting device |
| CN201336746Y (en) * | 2008-05-05 | 2009-10-28 | 汤征宁 | Constant current and voltage drive circuit for AC power supply LED |
| CN203233311U (en) * | 2013-04-15 | 2013-10-09 | 四川欧润特软件科技有限公司 | Circuit of stabilized voltage supply |
| CN203251234U (en) * | 2013-05-07 | 2013-10-23 | 高怡达科技(深圳)有限公司 | Switch power supply voltage stabilizing circuit |
-
2013
- 2013-11-05 CN CN201310542559.2A patent/CN104619071B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201336746Y (en) * | 2008-05-05 | 2009-10-28 | 汤征宁 | Constant current and voltage drive circuit for AC power supply LED |
| CN101431846A (en) * | 2008-12-02 | 2009-05-13 | 晋城市环球利特光电技术有限公司 | Driving circuit of LED lighting device |
| CN203233311U (en) * | 2013-04-15 | 2013-10-09 | 四川欧润特软件科技有限公司 | Circuit of stabilized voltage supply |
| CN203251234U (en) * | 2013-05-07 | 2013-10-23 | 高怡达科技(深圳)有限公司 | Switch power supply voltage stabilizing circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104619071A (en) | 2015-05-13 |
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