CN208509315U - A kind of control circuit of touch LED projector lamp - Google Patents
A kind of control circuit of touch LED projector lamp Download PDFInfo
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- CN208509315U CN208509315U CN201820743367.6U CN201820743367U CN208509315U CN 208509315 U CN208509315 U CN 208509315U CN 201820743367 U CN201820743367 U CN 201820743367U CN 208509315 U CN208509315 U CN 208509315U
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- module
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- array group
- projector lamp
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Abstract
The utility model discloses a kind of control circuits of touch LED projector lamp, including control module, drive module, constant flow module, LED array group and touch switch, the control module includes rectifying and voltage-stabilizing module, singlechip controller and zero passage detection pulse module, the singlechip controller includes switch signal input end, switching signal output end and pulse detection end, the connection of the switch signal input end of the touch switch and singlechip controller, it is characterized in that, zero passage detection pulse module one end is connect with the rectifying and voltage-stabilizing module, the other end is connect with the pulse detection end, the utility model can make touch LED projector lamp job stability with higher.
Description
Technical field
The utility model relates to led light technology field, in particular to a kind of control circuit of touch LED projector lamp.
Background technique
Existing LED projector lamp is usually used in outdoor lighting, but right due to having the characteristics that irradiation distance is remote, dustproof and waterproof
In touch LED projector lamp due to being to control its opening and closing using soft-touch control, outdoors in use, often by foreign object (such as rainwater, bird
Class etc.) soft-touch control is touched, cause LED projector lamp to flash extremely, so that LED projector lamp is extremely unstable in use,
Seriously affect the usage experience of user.
As it can be seen that the prior art could be improved and improve.
Utility model content
Place in view of above-mentioned deficiencies of the prior art, the purpose of this utility model is to provide a kind of touch LED light projectors
The control circuit of lamp, it is intended to solve the technical issues of how improving the job stability of touch LED projector lamp in the prior art.
In order to achieve the above object, the utility model takes following technical scheme:
A kind of control circuit of touch LED projector lamp, including control module, drive module, constant flow module, LED array
Group and touch switch, the control module include rectifying and voltage-stabilizing module and singlechip controller, and the singlechip controller includes
The switch signal input end of switch signal input end and switching signal output end, the touch switch and singlechip controller connects
It connects, which is characterized in that the drive module includes the first drive module and the second drive module, and the LED array group includes the
One LED array group and the second LED array group, the switching signal output end include first switch signal output end and second switch
Signal output end, the first switch signal output end, the first drive module and the first LED array group are corresponding in turn to connection, institute
It states second switch signal output end, the second drive module and the second LED array group and is corresponding in turn to connection, the control module is also wrapped
Zero passage detection pulse module is included, the singlechip controller further includes pulse detection end, zero passage detection pulse module one end
It is connect with the rectifying and voltage-stabilizing module, the other end is connect with the pulse detection end.
In a kind of control circuit of touch LED projector lamp, the rectifying and voltage-stabilizing module includes for LED gusts
The LED rectification module of column group commutation supply voltage, for singlechip controller commutation supply voltage controller rectification module and for pair
To the controller Voltage stabilizing module of singlechip controller pressure stabilizing power supply.
In a kind of control circuit of touch LED projector lamp, the LED rectification module and controller rectification module
It is all made of bridge rectifier.
In a kind of control circuit of touch LED projector lamp, first drive module and the second drive module
Photoelectrical coupler, bidirectional trigger diode, the first current-limiting resistance and the second current-limiting resistance are respectively included, the photoelectrical coupler
Anode is connect with one end of the first current-limiting resistance, and the other end of the first current-limiting resistance and the switching signal of singlechip controller export
End connection, the minus earth of photoelectrical coupler, a main electrical scheme end of photoelectrical coupler and one end of second current-limiting resistance connect
Connect, one end of the other end of the second current-limiting resistance and bidirectional trigger diode connects, another main electrical scheme end of photoelectrical coupler with
The other end of bidirectional trigger diode connects.
In a kind of control circuit of touch LED projector lamp, the model MOC3021 of the photoelectrical coupler.
In a kind of control circuit of touch LED projector lamp, the singlechip controller model JG902N.
The utility model has the advantages that
The utility model provides a kind of control circuit of touch LED projector lamp, which passes through setting pulse
The connection of the pulse detection end of detection module and singlechip controller, when touching touch switch twice in succession, singlechip controller
When pulse detection end detects two AC zero-crossing pulses, the switch signal input end of singlechip controller can just be activated, effectively
The case where causing LED projector lamp to flash extremely due to foreign object is missed and touched is avoided, the work of touch LED projector lamp is effectively improved
Stability.
Detailed description of the invention
Fig. 1 is the electric operation control circuit figure of touch LED projector lamp provided by the utility model.
In figure:
100- control module；110- rectifying and voltage-stabilizing module；111-LED rectification module；112- controller rectification module；113-
Controller Voltage stabilizing module；120- singlechip controller；130- zero passage detection pulse module；200- drive module；210- first drives
Dynamic model block；The second drive module of 220-；300- constant flow module；400-LED array group；410- the first LED array group；420- second
LED array group；500- touch switch.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The utility model provides a kind of control circuit of touch LED projector lamp, to make the purpose of this utility model, technology
Scheme and effect are clearer, clear, and the utility model is further described as follows in conjunction with drawings and embodiments.It should
Understand, specific embodiment described herein only to explain the utility model, is not used to limit the utility model.
Referring to Fig. 1, the utility model provides a kind of control circuit of touch LED projector lamp, including control module
100, drive module 200, constant flow module 300, LED array group 400 and touch switch 500, control module 100 include rectifying and voltage-stabilizing
Module 110, singlechip controller 120 and zero passage detection pulse module 130, the model JG902N of the singlechip controller 120,
Singlechip controller 120 includes switch signal input end, switching signal output end and pulse detection end, touch switch 500 and list
The switch signal input end of piece machine controller 120 connects, and switching signal output end includes first switch signal output end and second
Switching signal output end, wherein the switch signal input end corresponds to the stitch 3 of singlechip controller 120, and first switch signal is defeated
Outlet corresponds to the stitch 7 of single-chip microcontroller control 120, and second switch signal output end corresponds to the stitch 5 of singlechip controller 120, arteries and veins
Rush the stitch 8 that test side corresponds to singlechip controller 120.130 one end of zero passage detection pulse module and rectifying and voltage-stabilizing module 110 connect
It connects, the other end is connect with pulse detection end.Drive module 200 includes the first drive module 210 and the second drive module 220,
LED array group 400 includes the first LED array group 410 and the second LED array group 420, and two LED array groups respectively correspond two kinds not
With the LED of colour temperature, the LED that the corresponding colour temperature of such as the first LED array group 410 is 3000K, the second LED array group 420 corresponds to colour temperature and is
The LED of 6000K colour temperature.410 company of being corresponding in turn to of first switch signal output end, the first drive module 210 and the first LED array group
Connect, that is, the stitch 7 of singlechip controller 120 is connect with the end WOUT of the first drive module 210, the first drive module 210 it is defeated
Outlet is connect with the first LED array group 410；Second switch signal output end, the second drive module and the second LED array group are successively
It is correspondingly connected with, that is, the stitch 5 of singlechip controller 120 is connect with the end MOUT of the second drive module 220, the second drive module
220 output end is connect with the second LED array group 420.
After LED projector lamp is powered, continuously output scans arteries and veins at the pulse detection end (i.e. stitch 8) of singlechip controller 120
Punching detects the AC zero-crossing pulse of port by zero passage detection pulse module 130, at this time if continuous touch touch-control in a short time
Twice, which is preferably arranged to 1.5 seconds switch 500, and the pulse detection end (i.e. stitch 8) of singlechip controller 120 can be examined
Two AC zero-crossing pulses are measured, this pulse then activates singlechip controller 120 after identifying inside singlechip controller 120
Switch signal input end can control the opening and closing of LED array group 400 by touching touch switch 500 in hereafter a period of time,
This time is preferably arranged to 30 minutes, more than 30 minutes after touch touch switch 500, singlechip controller 120 is failure to actuate.?
When touch switch 500 is touched in 30 minutes for the first time, first switch signal output end (i.e. the stitch 7 of singlechip controller 120)
ON signal is exported, the first LED array group 410 is opened, and illumination colour temperature is 3000K at this time；Second of touch touch switch 500
When, first switch signal output end (i.e. the stitch 7 of singlechip controller 120) exports OFF signal, 410 quilt of the first LED array group
It closes, second switch signal output end (i.e. the stitch 5 of singlechip controller 120) exports ON signal, the second LED array group 420
It is opened, illumination colour temperature is 6000K at this time；When third time touches touch switch 500, first switch signal output end and second is opened
OFF signal output end exports ON signal, and the first LED array group 410 and the second LED array group 420 are opened, illumination at this time
Colour temperature is 4500K；When the 4th touch touch switch 500, first switch signal output end and second switch signal output end are equal
OFF signal is exported, the first LED array group 410 and the second LED array group 420 are closed.Afterwards if you need to open LED array group 400,
Then need again in 1.5 seconds continuous touch touch switch 500 twice, such cycle operation.
Specifically, rectifying and voltage-stabilizing module 110 include for 400 commutation supply voltage of LED array group LED rectification module 111,
For the controller rectification module 112 to 120 commutation supply voltage of singlechip controller and for to 120 pressure stabilizing of singlechip controller
The controller Voltage stabilizing module 113 of power supply, LED rectification module 111 and controller rectify 112 pieces of mould and are all made of bridge rectifier.
Wherein the end VCC of LED rectification module 111 is connect with the end VCC of LED array group 400, the end 5V of controller Voltage stabilizing module 113 with
The stitch 6 of singlechip controller 120 connects.
Specifically, the first drive module 210 and the second drive module 220 respectively include photoelectrical coupler, two-way triggering two
Pole pipe, the first current-limiting resistance and the second current-limiting resistance, the anode of photoelectrical coupler are connect with one end of the first current-limiting resistance, and first
The other end of current-limiting resistance is connect with the switching signal output end of singlechip controller 120, the minus earth of photoelectrical coupler, light
One main electrical scheme end of electric coupler is connect with one end of the second current-limiting resistance, the other end of the second current-limiting resistance and two-way triggering two
One end of pole pipe connects, and another main electrical scheme end of photoelectrical coupler and the other end of bidirectional trigger diode connect, wherein first
Current-limiting resistance is used to carry out current limliting to photoelectrical coupler to prevent photoelectrical coupler from damaging, and the second current-limiting resistance is used for two-way triggering
Diode, which carries out current limliting, prevents bidirectional trigger diode from damaging.Preferably, model MOC3021 used by photoelectrical coupler,
Its infrared light-emitting diode is not easy to degenerate, and has higher stability.
It is understood that for those of ordinary skills, can with technical solution according to the present utility model and
The design of its utility model is subject to equivalent substitution or change, and all these changes or replacement all should belong to the protection of the utility model
Range.
Claims (6)
1. a kind of control circuit of touch LED projector lamp, including control module, drive module, constant flow module, LED array group
And touch switch, the control module include rectifying and voltage-stabilizing module and singlechip controller, the singlechip controller includes opening
The switch signal input end of OFF signal input terminal and switching signal output end, the touch switch and singlechip controller connects,
It is characterized in that, the drive module includes the first drive module and the second drive module, the LED array group includes first
LED array group and the second LED array group, the switching signal output end include first switch signal output end and second switch letter
Number output end, the first switch signal output end, the first drive module and the first LED array group are corresponding in turn to connection, described
Second switch signal output end, the second drive module and the second LED array group are corresponding in turn to connection, and the control module further includes
Zero passage detection pulse module, the singlechip controller further include pulse detection end, zero passage detection pulse module one end with
The rectifying and voltage-stabilizing module connection, the other end are connect with the pulse detection end.
2. a kind of control circuit of touch LED projector lamp according to claim 1, which is characterized in that the rectification is steady
Die block include for LED array group commutation supply voltage LED rectification module, for the control to singlechip controller commutation supply voltage
Device rectification module processed and controller Voltage stabilizing module for powering to singlechip controller pressure stabilizing.
3. a kind of control circuit of touch LED projector lamp according to claim 2, which is characterized in that the LED rectification
Module and controller rectification module are all made of bridge rectifier.
4. a kind of control circuit of touch LED projector lamp according to claim 1, which is characterized in that described first drives
Dynamic model block and the second drive module respectively include photoelectrical coupler, bidirectional trigger diode, the first current-limiting resistance and the second current limliting
Resistance, the anode of the photoelectrical coupler are connect with one end of the first current-limiting resistance, the other end and monolithic of the first current-limiting resistance
The switching signal output end of machine controller connects, the minus earth of photoelectrical coupler, a main electrical scheme end of photoelectrical coupler and institute
One end connection of the second current-limiting resistance is stated, the other end of the second current-limiting resistance and one end of bidirectional trigger diode connect, photoelectricity
Another main electrical scheme end of coupler and the other end of bidirectional trigger diode connect.
5. a kind of control circuit of touch LED projector lamp according to claim 4, which is characterized in that the photoelectricity coupling
The model MOC3021 of clutch.
6. a kind of control circuit of touch LED projector lamp according to claim 1, which is characterized in that the single-chip microcontroller
The model JG902N of controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820743367.6U CN208509315U (en) | 2018-05-18 | 2018-05-18 | A kind of control circuit of touch LED projector lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820743367.6U CN208509315U (en) | 2018-05-18 | 2018-05-18 | A kind of control circuit of touch LED projector lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208509315U true CN208509315U (en) | 2019-02-15 |
Family
ID=65292450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820743367.6U Active CN208509315U (en) | 2018-05-18 | 2018-05-18 | A kind of control circuit of touch LED projector lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208509315U (en) |
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2018
- 2018-05-18 CN CN201820743367.6U patent/CN208509315U/en active Active
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