CN212752685U - Collocation TRIAC linear balance formula LED lamp control circuit of adjusting luminance - Google Patents
Collocation TRIAC linear balance formula LED lamp control circuit of adjusting luminance Download PDFInfo
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- CN212752685U CN212752685U CN202021394661.4U CN202021394661U CN212752685U CN 212752685 U CN212752685 U CN 212752685U CN 202021394661 U CN202021394661 U CN 202021394661U CN 212752685 U CN212752685 U CN 212752685U
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Abstract
The utility model discloses a matching TRIAC linear balance type dimming LED lamp control circuit, which comprises a power input end connected with a power supply, a TRIAC dimming control end used for adjusting the input current of the power input end, an EMI filter circuit, a rectifying filter circuit and an MCU main control circuit used for adjusting the output current of an LED lamp, wherein, a CMOS control circuit used for providing linear constant current compensation for the LED lamp in the process of adjusting the input current of the power input end by the TRIAC dimming control end is connected between the rectifying filter circuit and the MCU main control circuit, when the input current of the power input end is regulated through the TRIAC dimming control end, the current of the flowing LED lamp is regulated through the three-end current control chip of the MCU main control circuit, and linear constant current compensation is carried out through the CMOS control circuit, so that the problems of jitter and sudden flash in the dimming process are solved.
Description
[ technical field ]
The utility model relates to a collocation TRIAC linear balance formula LED lamp control circuit of adjusting luminance.
[ background art ]
In recent years, people are increasingly pursuing perfect products and convenience in use of the products, so that a remote control device capable of controlling a ceiling fan and a ceiling fan lamp simultaneously is required, but the ceiling fan lamp of the source is lack of the function, so that a control device capable of controlling the ceiling fan and the ceiling fan lamp simultaneously is required to be additionally arranged on the ceiling fan lamp. However, the control device additionally installed on the market is used in combination with the main control of the fan, LED light is shaken and dodged or dodges violently in the dimming process when the LED lamp is dimmed by using remote control, when a remote control dimming control key is loosened, the phenomenon of shaking and dodging or flashing violently does not occur to the LED light, and the phenomenon of dimming or sectional type lighting and extinguishing occurs when the main control dimming point of the fan is partially matched and is lower.
[ contents of utility model ]
The utility model overcomes above-mentioned technique is not enough, provides a collocation TRIAC linear balance formula LED lamp control circuit of adjusting luminance.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a collocation TRIAC linear balance formula LED lamp control circuit that adjusts luminance which characterized in that: the LED lamp power supply comprises a power input end connected with a power supply, the power input end is connected with a TRIAC dimming control end used for adjusting input current of the power input end, an EMI filter circuit used for suppressing high-frequency interference, a rectifying filter circuit used for converting input unstable alternating current into stable direct current and an MCU main control circuit used for adjusting output current of the LED lamp are sequentially connected between the power input end and the LED lamp, and a CMOS control circuit used for providing linear constant current compensation for the LED lamp in the process of adjusting the input current of the power input end by the TRIAC dimming control end is connected between the rectifying filter circuit and the MCU main control circuit.
The light-dimming LED lamp control circuit matched with the TRIAC linear balance type is characterized in that: the TRIAC dimming control end comprises a three-terminal bidirectional alternating current switch T1, the positive terminal of the three-terminal bidirectional alternating current switch T1 is connected with one end of a capacitor C16 and a power supply live wire L1 respectively, the negative terminal of the three-terminal bidirectional alternating current switch T1 is connected with a power supply input end live wire L2, the control terminal of the three-terminal bidirectional alternating current switch T1 is connected with the other end of the capacitor C16 and one end of a resistor R15 respectively, and the other end of the resistor R15 is connected with a dimmer outputting pulse dimming signals.
The light-dimming LED lamp control circuit matched with the TRIAC linear balance type is characterized in that: the dimmer is a dimmer switch or a wireless receiver.
The light-dimming LED lamp control circuit matched with the TRIAC linear balance type is characterized in that: the MCU main control circuit comprises a current controller U1, a current controller U2 and a current controller U3, wherein a pin (R) of the current controller U1 is respectively connected with a negative electrode end of a diode D1 and one end of a resistor R13, a positive electrode end of the diode D1 is connected with an LED lamp through a resistor R16, a pin (R) of the current controller U1 is respectively connected with one end of a resistor R17 and a negative electrode end of a zener diode ZD1, the other end of the resistor R17 is connected with a rectification filter circuit, a pin (R) of the current controller U1 is respectively connected with a pin (R) of the current controller U1, a positive electrode end of the zener diode ZD1, the other end of the resistor R13, a positive electrode end of the diode D3 and one end of a resistor R18, a negative electrode end of the diode D3 is connected with the LED lamp, the other end of the resistor R18 is respectively connected with a negative electrode end of the zener diode 2 and a pin (R2), and a pin (R2) of the current controller U2) is, The LED lamp driving circuit comprises a CMOS control circuit and one end of a resistor R26, a pin I of a current controller U2 is connected with a pin I of a current controller U3, the other end of the resistor R26 and a negative end of a diode D4 through a resistor R20, a resistor R21 is connected with a resistor R20 in parallel, a positive end of the diode D4 is connected with the LED lamp through a resistor R23, a negative end of a voltage stabilizing diode ZD3 is connected with one end of a resistor R19 and a pin III of the current controller U3, and the other end of the resistor R19 is connected with the LED lamp through a negative end of a diode D2.
The light-dimming LED lamp control circuit matched with the TRIAC linear balance type is characterized in that: the CMOS control circuit comprises a control chip U4, a pin (R) of a control chip U4 is respectively connected with one end of a resistor R5 and the negative end of a zener diode ZD5, the other end of the resistor R5 is connected with a rectifying and filtering circuit through a resistor R6, a pin (R) of a control chip U4 is respectively connected with one end of a capacitor C4, one end of a resistor R12 and one end of a resistor R8, the other end of a resistor R8 is connected with the rectifying and filtering circuit, a pin (R) of the control chip U4, one end of a resistor R3, the positive end of a zener diode ZD5, the other end of a capacitor C4 and the other end of a resistor R12 are respectively grounded, the resistor R12 and the resistor R12 are connected in parallel, a pin (R) of the control chip U12 is respectively connected with the other end of the resistor R12, one end of the resistor R12 and the source end of the resistor R12, the other end of the field effect tube Q12 is respectively, pin sixthly of the control chip U4 is respectively connected with the other end of the resistor R9 and the cathode end of the diode D5, the other end of the resistor R11 is connected with the source end of the field effect transistor Q2, and the drain end of the field effect transistor Q1 and the drain end of the field effect transistor Q2 are respectively connected with the MCU master control circuit.
The utility model has the advantages that:
the utility model discloses adjusting the input current in-process of power input end through TRIAC dimming control end, adjusting the electric current of mobile LED lamp through MCU master control circuit's three-terminal current control chip to carry out linear constant current compensation through CMOS control circuit, solve the in-process of adjusting luminance tremble and dodge, sudden and violent sudden, the phenomenon that the lamp light was put out or the sectional type was put out even.
[ description of the drawings ]
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a circuit connection diagram of the present invention.
[ detailed description of the invention ]
The following description is further detailed with reference to the accompanying drawings and embodiments of the present invention:
as shown in fig. 1-2, a control circuit of a matched TRIAC linear balance type dimming LED lamp comprises a power input end 1 connected with a power supply, the power input end 1 is connected with a TRIAC dimming control end 2 used for adjusting input current of the power input end 1, an EMI filter circuit 4 used for suppressing high-frequency interference, a rectifier filter circuit 5 used for converting input unstable alternating current into stable direct current, and an MCU main control circuit 7 used for adjusting output current to the LED lamp 3 are sequentially connected between the power input end 1 and the LED lamp 3, a CMOS control circuit 6 used for providing linear constant current compensation to the LED lamp 3 in the process of adjusting the input current of the power input end 1 by the TRIAC dimming control end 2 is connected between the rectifier filter circuit 5 and the MCU main control circuit 7, wherein the TRIAC dimming control is bidirectional thyristor dimming control. When a user adjusts the light of the LED lamp 3 through the TRIAC light adjustment control end 2, the input current of the power input end 1 is correspondingly changed, the input current is subjected to high-frequency interference suppression and filtration through the EMI filter circuit 4 and is input into the MCU main control circuit 7 after unstable alternating current is converted into stable direct current through the rectification filter circuit 5, the MCU main control circuit 7 adjusts the current flowing through the LED lamp 3, meanwhile, the CMOS control circuit 6 provides linear constant current compensation for the LED lamp 3, the change difference of the output power is reduced, linear balanced light adjustment is achieved, the light of the LED lamp 3 is linearly changed from bright to dark and then changed from dark to bright in a circulating manner, and the soft light emitting effect is achieved.
As shown in fig. 2, the TRIAC dimming control terminal 2 includes a TRIAC T1, a positive terminal of the TRIAC T1 is connected to one terminal of a capacitor C16 and a power line L1, a negative terminal of the TRIAC T1 is connected to a power line L2 of the power input terminal 1, a control terminal of the TRIAC T1 is connected to the other terminal of the capacitor C16 and one terminal of a resistor R15, and the other terminal of the resistor R15 is connected to a dimmer outputting a pulse dimming signal, wherein the dimmer is a dimmer switch or a wireless receiver and is set to be wired dimming or wireless remote dimming according to actual requirements.
As shown in fig. 2, the MCU main control circuit 7 includes a current controller U1, a current controller U2, and a current controller U3, a pin R of the current controller U1 is connected to a negative terminal of a diode D1 and one terminal of a resistor R13, a positive terminal of a diode D1 is connected to the LED lamp 3 through a resistor R16, a pin c of the current controller U1 is connected to one terminal of a resistor R17 and a negative terminal of a zener diode ZD1, another terminal of the resistor R5857323 is connected to the rectifying and filtering circuit 5, a pin R of the current controller U1 is connected to a pin c of the current controller U1, a positive terminal of a zener diode ZD1, another terminal of the resistor R13, a positive terminal of a diode D3 and one terminal of a resistor R18, a negative terminal of a diode D3 is connected to the LED lamp 3, another terminal of the resistor R18 is connected to a negative terminal of a zener diode ZD2 and a pin c 2, and another terminal of the current controller U2 is connected to a pin ZD2 and a positive terminal of a zener diode ZD, Pin (R) of a current controller U3, one end of a CMOS control circuit 6 and one end of a resistor R26 are connected, pin (R) of a current controller U2 is respectively connected with pin (R) of a current controller U3, the other end of the resistor R26 and the negative end of a diode D4 through a resistor R20, pin (R) of a resistor R21 is connected with a resistor R20 in parallel, the positive end of a diode D4 is connected with the LED lamp 3 through a resistor R23, the negative end of a zener diode ZD3 is respectively connected with one end of a resistor R19 and pin (c) of the current controller U3, and the other end of the resistor R19 is connected with the LED lamp 3 through a negative end.
As shown in fig. 2, the CMOS control circuit 6 includes a control chip U4, a pin 4 of the control chip U is connected to one end of a resistor R5 and the negative terminal of a zener diode ZD5, the other end of the resistor R5 is connected to the rectifying and filtering circuit 5 through a resistor R6, a pin 4 of the control chip U is connected to one end of a capacitor C4, one end of a resistor R12, and one end of a resistor R8, the other end of a resistor R8 is connected to the rectifying and filtering circuit 5, a pin 4 of the control chip U is connected to a gate terminal, one end of a resistor R3, a positive terminal of a zener diode ZD5, the other end of a capacitor C4, and the other end of a resistor R12 are respectively grounded, the resistor R12 is connected to a gate terminal, one end of the resistor R12 is connected to the other end of the resistor R12, one end of the resistor R12 is connected to the gate terminal, the other end of the source terminal of the field effect transistor Q12, the field effect transistor Q12 is connected to the positive terminal, pin sixthly of the control chip U4 is respectively connected with the other end of the resistor R9 and the cathode end of the diode D5, the other end of the resistor R11 is connected with the source end of the field effect transistor Q2, and the drain end of the field effect transistor Q1 and the drain end of the field effect transistor Q2 are respectively connected with the MCU main control circuit 7.
Claims (5)
1. The utility model provides a collocation TRIAC linear balance formula LED lamp control circuit that adjusts luminance which characterized in that: the LED lamp driving circuit comprises a power input end (1) connected with a power supply, wherein the power input end (1) is connected with a TRIAC dimming control end (2) used for adjusting input current of the power input end (1), an EMI filter circuit (4) used for inhibiting high-frequency interference, a rectifying filter circuit (5) used for converting input unstable alternating current into stable direct current and an MCU main control circuit (7) used for adjusting output current of the LED lamp (3) are sequentially connected between the power input end (1) and the LED lamp (3), and a CMOS control circuit (6) used for providing linear constant current compensation for the LED lamp (3) in the process of adjusting the input current of the power input end (1) through the TRIAC dimming control end (2) is connected between the rectifying filter circuit (5) and the MCU main control circuit (7).
2. The control circuit of claim 1, wherein the light source is a TRIAC-matched linear balanced type dimming LED lamp, and the control circuit comprises: the TRIAC dimming control end (2) comprises a three-terminal bidirectional alternating current switch T1, the positive end of the three-terminal bidirectional alternating current switch T1 is connected with one end of a capacitor C16 and a power supply live wire L1 respectively, the negative end of the three-terminal bidirectional alternating current switch T1 is connected with the live wire L2 of the power supply input end (1), the control end of the three-terminal bidirectional alternating current switch T1 is connected with the other end of the capacitor C16 and one end of a resistor R15 respectively, and the other end of the resistor R15 is connected with a dimmer outputting pulse dimming signals.
3. The control circuit of claim 2, wherein the light source is a TRIAC-matched linear balanced type dimming LED lamp, and the control circuit comprises: the dimmer is a dimmer switch or a wireless receiver.
4. The control circuit of claim 1, wherein the light source is a TRIAC-matched linear balanced type dimming LED lamp, and the control circuit comprises: the MCU main control circuit (7) comprises a current controller U1, a current controller U2 and a current controller U3, wherein a pin (R) of the current controller U1 is respectively connected with a cathode end of a diode D1 and one end of a resistor R13, an anode end of a diode D1 is connected with the LED lamp (3) through a resistor R16, a pin (R) of the current controller U1 is respectively connected with one end of a resistor R17 and a cathode end of a zener diode ZD1, the other end of the resistor R17 is connected with a rectification filter circuit (5), a pin (R) of the current controller U1 is respectively connected with a pin (R) of the current controller U1, a pin (R) of the zener diode ZD1, the other end of the resistor R13, an anode end of the diode 686D 3 and one end of a resistor R18, a cathode end of a diode D3 is connected with the LED lamp (3), the other end of the resistor R18 is respectively connected with a cathode end of the zener diode ZD2 and a pin (b) of the current controller U2, a pin (b) of, The LED lamp voltage stabilizing circuit comprises a current controller U3 pin R, a CMOS control circuit (6) and one end of a resistor R26, wherein a current controller U2 pin R is connected with a current controller U3 pin R, the other end of the resistor R26 and the negative end of a diode D4 through a resistor R20, a resistor R21 is connected with a resistor R20 in parallel, the positive end of a diode D4 is connected with the LED lamp (3) through a resistor R23, the negative end of a voltage stabilizing diode ZD3 is connected with one end of the resistor R19 and the pin of the current controller U3, and the other end of the resistor R19 is connected with the LED lamp (3) through the negative end of a diode D2.
5. The control circuit of claim 1, wherein the light source is a TRIAC-matched linear balanced type dimming LED lamp, and the control circuit comprises: the CMOS control circuit (6) comprises a control chip U4, a pin phi of the control chip U4 is respectively connected with one end of a resistor R5 and the cathode end of a zener diode ZD5, the other end of the resistor R5 is connected with a rectifying and filtering circuit (5) through a resistor R6, a pin phi of the control chip U4 is respectively connected with one end of a capacitor C4, one end of a resistor R12 and one end of a resistor R8, the other end of the resistor R8 is connected with the rectifying and filtering circuit (5), a pin phi of the control chip U4, one end of a resistor R3, the anode end of the zener diode ZD5, the other end of a capacitor C4 and the other end of the resistor R12 are respectively grounded, the resistor R12 is connected with a resistor R12 in parallel, a pin phi of the control chip U12 is respectively connected with the other end of the resistor R12, one end of the resistor R12 and one end of the source end of the resistor R12, the other end of the resistor R12 is connected with the gate end of a field effect transistor Q36, pin (sixty percent) of the control chip U4 is respectively connected with the other end of the resistor R9 and the cathode end of the diode D5, the other end of the resistor R11 is connected with the source end of the field effect transistor Q2, and the drain end of the field effect transistor Q1 and the drain end of the field effect transistor Q2 are respectively connected with the MCU main control circuit (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021394661.4U CN212752685U (en) | 2020-07-15 | 2020-07-15 | Collocation TRIAC linear balance formula LED lamp control circuit of adjusting luminance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021394661.4U CN212752685U (en) | 2020-07-15 | 2020-07-15 | Collocation TRIAC linear balance formula LED lamp control circuit of adjusting luminance |
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| Publication Number | Publication Date |
|---|---|
| CN212752685U true CN212752685U (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021394661.4U Active CN212752685U (en) | 2020-07-15 | 2020-07-15 | Collocation TRIAC linear balance formula LED lamp control circuit of adjusting luminance |
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| Country | Link |
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| CN (1) | CN212752685U (en) |
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