CN217389047U - Control circuit of colored light filling lamp - Google Patents
Control circuit of colored light filling lamp Download PDFInfo
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- CN217389047U CN217389047U CN202123442639.XU CN202123442639U CN217389047U CN 217389047 U CN217389047 U CN 217389047U CN 202123442639 U CN202123442639 U CN 202123442639U CN 217389047 U CN217389047 U CN 217389047U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model belongs to the technical field of the LED control technique and specifically relates to indicate a control circuit of colored light filling lamp, control the bright of LED lamp cluster through constant current driver U1 and go out to control the power supply and the drive of constant current driver U1 by master control MCU, the control to the LED lamp cluster is realized in the cooperation of two aspects, therefore the LED lamp cluster is except the control of bright going out, can also realize the luminance of LED lamp cluster, the adjustment of different colors and saturation, can satisfy more scene demands.
Description
Technical Field
The utility model belongs to the technical field of the LED control technique and specifically relates to indicate a control circuit of colored light filling lamp.
Background
Most of colored lamps in the prior art are designed to control the on and off of a lamp string through a triode or an MOS (metal oxide semiconductor) tube, and the on time is determined through the conduction time of the triode and the MOS tube.
SUMMERY OF THE UTILITY MODEL
The utility model discloses problem to prior art provides a control circuit of colored light filling lamp, control the bright of LED lamp cluster through constant current driver U1 and go out, and control the power supply and the drive of constant current driver U1 by master control MCU, the control to the LED lamp cluster is realized in the cooperation of two aspects, therefore the LED lamp cluster is except the control of bright going out, can also realize the luminance of LED lamp cluster, the adjustment of different colors and saturation, can satisfy more scene demands.
In order to solve the technical problem, the utility model discloses a following technical scheme: a control circuit of a color fill-in light comprises a main control MCU, a power supply module, a switch control module and a plurality of LED drive modules, wherein the LED drive modules are used for emitting light with different colors, the switch control module is connected with the main control MCU, the power supply module comprises a battery unit, a battery detection unit, a voltage stabilization unit, a boosting unit and a mobile power supply unit, the output voltage of the battery unit is subjected to voltage reduction by the voltage stabilizing unit to supply power to the main control MCU, the output voltage of the battery unit is boosted by the boosting unit to supply power to the LED driving module, the input end of the battery detection unit is connected with the output end of the battery unit, the output end of the battery detection unit is connected with the main control MCU, the battery detection unit is used for detecting whether the output voltage of the battery unit is normal or not, and the mobile power supply unit is used for being connected with an external power supply and charging the battery unit;
the LED driving modules are arranged in parallel, each LED driving module comprises a constant current driver U1, a switch tube Q1, a resistor R5, a resistor R6, a capacitor C1 and an LED lamp string, each power supply module further comprises a driver power supply unit, and each driver power supply unit comprises a switch tube Q11 and a diode D9;
the main control MCU controls the on and off of a switch tube Q11 through the battery detection unit and a diode D9, one switch end of a switch tube Q11 is connected with the output end of the voltage boosting unit, the other switch end of the switch tube is connected with the power supply ends of a plurality of constant current drivers U1, the driving end of the constant current driver U1 is connected with the main control MCU, the output end of a constant current driver U1 is connected with the control end of a switch tube Q1, one switch end of the switch tube Q1 is grounded through a resistor R6, a resistor R5 is connected with a resistor R6 in parallel, the other switch end of the switch tube Q1 is connected with one end of the LED lamp string, and the other end of the LED lamp string is connected with the output end of the voltage boosting unit.
Further, the battery detection unit comprises a switching tube Q13, a switching tube Q10, a diode D10, a resistor R36, a resistor R43, a resistor R44, a resistor R46, a resistor R50 and a capacitor C31;
the main control MCU is connected with the control end of a switch tube Q13 through a resistor R46, one switch end of the switch tube Q13 is grounded, the other switch end of the switch tube Q13 is connected with the cathode of a diode D10, the cathode of a diode D10 is connected with the cathode of a diode D9, the anode of a diode D10 is connected with the control end of a switch tube Q10 through a resistor R43, one switch end of the switch tube Q10 is connected with the output end of the battery unit, the other switch end of the switch tube Q10 is grounded after passing through the resistor R44 and a capacitor C31 in sequence, one end of the resistor R50 is grounded, the connection position of the resistor R44 and the capacitor C31 is connected with the other end of the resistor R50, the other end of the resistor R50 is connected with the main control MCU, and the two ends of the resistor R36 are connected with the output end of the battery unit and the control end of the switch tube Q10 respectively.
Furthermore, the switch control module comprises a plurality of keys and a plurality of pull-up resistors, one end of each key is grounded, the other end of each key is connected with the master control MCU, and the other end of each key is connected with the output end of the voltage stabilizing unit through one pull-up resistor.
Further, the portable power source unit includes USB connecting portion and power manager U8, the input and the external power source of USB connecting portion are connected, the output and the power manager U8 of USB connecting portion are connected, power manager U8 with master control MCU connects.
Further, the mobile power supply unit further comprises a movement detection portion, the movement detection portion comprises a switch tube Q8, a resistor R23, a resistor R26, a resistor R27 and a resistor R28, the USB connection portion is connected with the control end of the switch tube Q8 after sequentially passing through a resistor R26 and a resistor R27, the resistor R26 is grounded through a resistor R28, a switch end of the switch tube Q8 is grounded, the other switch end of the switch tube Q8 is connected with the output end of the voltage stabilizing unit after passing through the resistor R23, and the other switch end of the switch tube Q8 is connected with the main control MCU.
Furthermore, the control circuit of the color light supplement lamp further comprises a temperature detection module, and the temperature detection module is used for detecting the working temperatures of the battery unit and the plurality of LED lamp strings in real time and feeding the working temperatures back to the master control MCU.
Furthermore, the temperature detection module includes a thermistor NTC1, a resistor R29, a switch tube Q7, a resistor R21, a resistor R24, and a diode D8, a cathode of the diode D10 is connected to a control end of the switch tube Q7 through the diode D8 and the resistor R24, a switch end of the switch tube Q7 is connected to the output end of the voltage stabilizing unit, another switch end of the switch tube Q7 is connected to one end of the thermistor NTC1, the other end of the thermistor NTC1 is grounded through the resistor R29, and two ends of the resistor R21 are connected to a control end and a switch end of the switch tube Q7, respectively.
Furthermore, the control circuit of the color fill-in light further comprises a display module, and the display module is connected with the master control MCU and used for displaying the brightness and the light-emitting mode of the LED light string of the LED driving module and the residual electric quantity of the battery unit.
The utility model has the advantages that:
the utility model provides a pair of control circuit of colored light filling lamp controls the bright of LED lamp cluster through constant current driver U1 and goes out to control constant current driver U1's power supply and drive by master control MCU, the control to the LED lamp cluster is realized in the cooperation of two aspects, therefore the LED lamp cluster is except the control of bright going out, can also realize the luminance of LED lamp cluster, the adjustment of different colors and saturation, can satisfy more scene demands.
Drawings
FIG. 1 is a signal block diagram of the present invention;
FIG. 2 is a schematic circuit diagram of the main control MCU of the present invention;
fig. 3 is a schematic circuit diagram of a plurality of LED driving modules according to the present invention;
fig. 4 is a schematic circuit diagram of a battery unit according to the present invention;
fig. 5 is a schematic circuit diagram of the battery detection unit of the present invention;
fig. 6 is a schematic circuit diagram of the voltage stabilizing unit of the present invention;
fig. 7 is a schematic circuit diagram of the boosting unit of the present invention;
fig. 8 is a schematic circuit diagram of the power manager U8 of the present invention;
fig. 9 is a schematic circuit diagram of a power supply unit of the driver of the present invention;
fig. 10 is a schematic circuit diagram of the USB connection portion of the present invention;
fig. 11 is a schematic circuit diagram of the movement detection unit of the present invention;
fig. 12 is a schematic circuit diagram of the temperature detection module of the present invention;
fig. 13 is a schematic circuit diagram of the switch control module of the present invention.
The reference numerals in fig. 1 to 13 include:
the LED driving circuit comprises a 1-switch control module, a 2-LED driving module, a 3-battery unit, a 4-battery detection unit, a 5-voltage stabilization unit, a 6-voltage boosting unit, a 7-mobile power supply unit, an 8-driver power supply unit, a 9-USB connecting part, a 10-mobile detection part, a 11-temperature detection module, a 12-display module and a 13-LED lamp string.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, the control circuit of the color fill-in light of this embodiment includes a main control MCU, a power supply module, an on-off control module 1 and a plurality of LED driving modules 2, wherein the plurality of LED driving modules 2 are used to emit lights with different colors, the on-off control module 1 is connected to the main control MCU, the power supply module includes a battery unit 3, a battery detection unit 4, a voltage stabilization unit 5, a voltage boosting unit 6 and a mobile power supply unit 7, an output voltage of the battery unit 3 is stepped down by the voltage stabilization unit 5 to supply power to the main control MCU, an output voltage of the battery unit 3 is stepped up by the voltage boosting unit 6 to supply power to the LED driving module 2, an input end of the battery detection unit 4 is connected to an output end of the battery unit 3, an output end of the battery detection unit 4 is connected to the main control MCU, and the battery detection unit 4 is used to detect whether the output voltage of the battery unit 3 is normal, the mobile power supply unit 7 is used for connecting with an external power supply and charging the battery unit 3.
When the LED lamp string power supply is used in the embodiment, the voltage stabilizing unit 5 converts the voltage VB of the battery unit 3 into 3V to be used by the main control MCU and the switch control module 1, the voltage boosting unit 6 boosts the voltage VB of the battery unit 3 into 6V voltage to provide working voltage for the work of the LED lamp string, and after the power supply module supplies power to all devices needing power supply in the embodiment, all the LED lamp strings are in a working state. The main control MCU of this embodiment is a controller such as a single chip microcomputer in the prior art, and the switch control module 1 includes a plurality of keys, as shown in fig. 13, for example, the key SW1 may be used to control the on/off of the main power supply, the key SW2 may change the operating mode of the LED driving module 2, such as a ticker mode, a normally on mode of all LED strings, and the like, and the key SW5 may adjust the brightness of the LED strings, and the switch control module 1 is in the prior art.
The LED driving modules 2 are arranged in parallel, each LED driving module 2 comprises a constant current driver U1, a switching tube Q1, a resistor R5, a resistor R6, a capacitor C1 and LED lamp strings, specific circuit connection principle diagrams are shown in fig. 2 and fig. 3, a driver power supply unit 8 of the constant current driver U1 is used for providing 6V _ A voltage, the driver power supply unit 8 comprises a switching tube Q11 and a diode D9, and specific circuit connection principle diagrams are shown in fig. 9. After power is supplied, the main control MCU outputs a control signal to the switching tube Q13 at a specified time according to the requirements set by the program, when the switching tube Q13 is turned on, the voltage at the PA12_ N end is pulled down to turn on the diode D9 in fig. 9, and further the switching tube Q11 is turned on, and the 6V _ a end has voltage output, so that all the constant current drivers U1 are powered, and then the main control MCU sends different control signals to the driving end DIM of the constant current driver U1 according to the actual settings, so as to control the constant current driver U1 to output different driving signals to the switching tube Q1, and the switching tube Q1 is turned on to make the LED light string emit light to work, wherein the present embodiment adopts the constant current driving function of the constant current driver U1, and the parallel connection mode is adopted by a plurality of LED light strings, compared with the structure of driving a plurality of LED light strings by a single constant current source, the present embodiment has more flexibility, when one of the LED driving modules 2 is damaged, the LED driving module can be independently repaired. In addition, the constant current driving mode may change the operating mode of the LED light string by the on-time of the switching tube Q1, and may also be determined according to the impedance of the load by the actual output end voltage of the constant current driving power supply, so that the LED light string may emit lights of different brightness, different colors (a plurality of LED light strings are lamp beads of different colors, and thus may emit lights of different colors) and the saturation of the colors may also be adjusted by the cooperation of the main control MCU and the constant current driver U1, and the specific adjusting mode and the constant current driver U1 are prior art and will not be described herein.
As shown in fig. 4, the circuit schematic diagram of the battery unit 3 of the embodiment, the battery unit 3 includes a plurality of rechargeable lithium batteries.
Fig. 8 to 11 are schematic circuit diagrams of the mobile power supply unit 7, in which the power manager U8 is a control chip in the prior art, the pin connection manner of the power manager U8 is as shown in fig. 8, the specific working principle of the power manager U8 is the prior art, which is not described in detail in this embodiment, and the function of the power manager U8 is mainly to process the voltage of the battery and the external voltage accessed from the USB connection portion 9, so as to implement processing protection of functions such as overvoltage, overcurrent, and undervoltage. The USB connection unit 9 is connected to an external voltage through a USB interface, as shown in fig. 10, so that the rechargeable lithium battery can be charged through the power manager U8 or directly. When an external POWER supply is available, VBUS outputs voltage, so that the switch tube Q8 of the movement detection portion 10 in fig. 11 is turned on, and thus a level change signal is transmitted to the main control MCU at the PA1_ POWER end, so that the main control MCU knows that an external POWER supply is connected, and can directly supply POWER to the rechargeable lithium battery while charging the rechargeable lithium battery.
Fig. 5 is a schematic circuit diagram of the battery detection unit 4, when the switching tube Q13 is turned on, the diode D10 is also turned on, so that the resistor R36 and the resistor R43 form a branch, a voltage is provided at the control end of the switching tube Q10 to turn on the switching tube Q10, and then the output voltage VB of the battery unit 3 is transmitted to the main control MCU through the PA3_ ADC end in real time, the main control MCU can judge whether the output voltage VB of the battery unit 3 is in a normal working range by comparison, when the voltage VB is in an abnormal state, the main control MCU can turn off the switching tube Q13, so that the constant current driver U1 of the LED driving module 2 cannot be powered and cannot work, and further the voltage VB can be adjusted, for example, charging, discharging and the like are adjusted, so that the voltage VB is programmed to be normal, and the main control MCU drives the LED driving module 2 to work again. The battery detection unit 4 can protect the battery and the LED driving module 2 of this embodiment, so as to prevent the power supply from being damaged due to abnormal power supply, which affects the service life.
Further, this embodiment is further provided with a temperature detection module 11, as shown in fig. 12, the temperature detection module 11 includes a thermistor NTC1, a resistor R29, a switch tube Q7, a resistor R21, a resistor R24 and a diode D8, a cathode of the diode D10 is connected to a control terminal of a switch tube Q7 through the diode D8 and the resistor R24, a switch terminal of the switch tube Q7 is connected to the output terminal of the voltage stabilizing unit 5, another switch terminal of the switch tube Q7 is connected to one end of the thermistor NTC1, another end of the thermistor NTC1 is grounded through the resistor R29, and two ends of the resistor R21 are connected to the control terminal and a switch terminal of the switch tube Q7, respectively. The working temperature of a plurality of LED lamp strings is induced through the thermistor NTC1, when the temperature is too high, the voltage of the PA2_ NTC end of the thermistor NTC1 is changed, and when the master control MCU detects that the voltage value of the PA2_ NTC end reaches a set threshold value, the LED lamp strings can be prevented from being damaged due to the too high temperature in a mode of closing the LED lamp strings, so that the LED lamp strings are protected.
The present embodiment is further provided with a display module 12, and the display module 12 may be an OLED display in the prior art, and may display the power of the battery, the operating mode of the LED driving module 2, and so on, which are in the prior art.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.
Claims (8)
1. The utility model provides a control circuit of colored light filling lamp, includes main control MCU, power module, on-off control module and a plurality of LED drive module, and is a plurality of LED drive module is used for sending the light of different colours, on-off control module with main control MCU connects its characterized in that: the power supply module comprises a battery unit, a battery detection unit, a voltage stabilization unit, a boosting unit and a mobile power supply unit, wherein the output voltage of the battery unit is subjected to voltage reduction by the voltage stabilization unit and then supplies power to the main control MCU, the output voltage of the battery unit is subjected to voltage boosting by the boosting unit and then supplies power to the LED drive module, the input end of the battery detection unit is connected with the output end of the battery unit, the output end of the battery detection unit is connected with the main control MCU, the battery detection unit is used for detecting whether the output voltage of the battery unit is normal or not, and the mobile power supply unit is used for being connected with an external power supply and charging the battery unit;
the LED driving modules are arranged in parallel, each LED driving module comprises a constant-current driver U1, a switch tube Q1, a resistor R5, a resistor R6, a capacitor C1 and an LED lamp string, each power supply module further comprises a driver power supply unit, and each driver power supply unit comprises a switch tube Q11 and a diode D9;
the main control MCU controls the on and off of a switch tube Q11 through the battery detection unit and a diode D9, one switch end of a switch tube Q11 is connected with the output end of the voltage boosting unit, the other switch end of the switch tube is connected with the power supply ends of a plurality of constant current drivers U1, the driving end of the constant current driver U1 is connected with the main control MCU, the output end of a constant current driver U1 is connected with the control end of a switch tube Q1, one switch end of the switch tube Q1 is grounded through a resistor R6, a resistor R5 is connected with a resistor R6 in parallel, the other switch end of the switch tube Q1 is connected with one end of the LED lamp string, and the other end of the LED lamp string is connected with the output end of the voltage boosting unit.
2. The control circuit of claim 1, wherein: the battery detection unit comprises a switching tube Q13, a switching tube Q10, a diode D10, a resistor R36, a resistor R43, a resistor R44, a resistor R46, a resistor R50 and a capacitor C31;
the main control MCU is connected with the control end of a switch tube Q13 through a resistor R46, one switch end of a switch tube Q13 is grounded, the other switch end of the switch tube Q13 is connected with the cathode of a diode D10, the cathode of a diode D10 is connected with the cathode of a diode D9, the anode of a diode D10 is connected with the control end of a switch tube Q10 through a resistor R43, one switch end of the switch tube Q10 is connected with the output end of the battery unit, the other switch end of a switch tube Q10 is grounded after passing through the resistor R44 and a capacitor C31 in sequence, one end of a resistor R50 is grounded, the connection position of the resistor R44 and the capacitor C31 is connected with the other end of the resistor R50, the other end of the resistor R50 is connected with the main control MCU, and the two ends of a resistor R36 are respectively connected with the output end of the battery unit and the control end of the switch tube Q10.
3. The control circuit of claim 1, wherein: the switch control module comprises a plurality of keys and a plurality of pull-up resistors, one end of each key is grounded, the other end of each key is connected with the main control MCU, and the other end of each key is connected with the output end of the voltage stabilizing unit after passing through one pull-up resistor.
4. The control circuit of the color fill light of claim 1, wherein: the portable power source unit includes USB connecting portion and power manager U8, the input and the external power source of USB connecting portion are connected, the output and the power manager U8 of USB connecting portion are connected, power manager U8 with master control MCU connects.
5. The control circuit of the color fill light of claim 4, wherein: the portable power source unit still includes the removal detection part, the removal detection part includes switch tube Q8, resistance R23, resistance R26, resistance R27 and resistance R28, the USB connecting portion is connected with switch tube Q8's control end after passing through resistance R26 and resistance R27 in proper order, resistance R26 passes through resistance R28 ground connection, a switch end of switch tube Q8 ground connection, another switch end of switch tube Q8 pass through resistance R23 after with the output of voltage stabilizing unit is connected, another switch end of switch tube Q8 with master control MCU connects.
6. The control circuit of the color fill light of claim 2, wherein: the control circuit of the color light supplementing lamp further comprises a temperature detection module, and the temperature detection module is used for detecting the working temperature of the battery unit and the plurality of LED lamp strings in real time and feeding the working temperature back to the main control MCU.
7. The control circuit of claim 6, wherein: the temperature detection module comprises a thermistor NTC1, a resistor R29, a switch tube Q7, a resistor R21, a resistor R24 and a diode D8, wherein the cathode of the diode D10 is connected with the control end of the switch tube Q7 after passing through the diode D8 and the resistor R24, one switch end of the switch tube Q7 is connected with the output end of the voltage stabilizing unit, the other switch end of the switch tube Q7 is connected with one end of the thermistor NTC1, the other end of the thermistor NTC1 is grounded through the resistor R29, and two ends of the resistor R21 are respectively connected with the control end and one switch end of the switch tube Q7.
8. The control circuit of claim 1, wherein: the control circuit of the color light supplement lamp further comprises a display module, and the display module is connected with the main control MCU and used for displaying the brightness and the light emitting mode of the LED lamp string of the LED driving module and the residual electric quantity of the battery unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123442639.XU CN217389047U (en) | 2021-12-30 | 2021-12-30 | Control circuit of colored light filling lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123442639.XU CN217389047U (en) | 2021-12-30 | 2021-12-30 | Control circuit of colored light filling lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217389047U true CN217389047U (en) | 2022-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123442639.XU Active CN217389047U (en) | 2021-12-30 | 2021-12-30 | Control circuit of colored light filling lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217389047U (en) |
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2021
- 2021-12-30 CN CN202123442639.XU patent/CN217389047U/en active Active
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