CN115103489A - Control circuit of automatic energy-saving driving power supply - Google Patents
Control circuit of automatic energy-saving driving power supply Download PDFInfo
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- CN115103489A CN115103489A CN202210867278.3A CN202210867278A CN115103489A CN 115103489 A CN115103489 A CN 115103489A CN 202210867278 A CN202210867278 A CN 202210867278A CN 115103489 A CN115103489 A CN 115103489A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
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Abstract
The invention discloses a control circuit of an automatic energy-saving driving power supply, which comprises a power supply chip U1, a rectifier bridge BD1, a constant current driving chip U2, a control interface JI, a diode D1, a diode D2, a diode D3, a diode D4, a diode D5, a voltage stabilizing diode D6, a polar capacitor C1, a polar capacitor C2, a polar capacitor C3, a polar capacitor C5, a polar capacitor C7, an inductor L1 and an inductor L2. The invention has simple structure, low manufacturing cost, convenient connection, safe and stable work, accurate current control, stable output current when the input current is unstable, small power consumption, electric energy saving, accurate control of the output current, small power change, easy and accurate control of the brightness of the color of the lamp, and dimming through the controller, thereby meeting the use requirement of lamp control.
Description
Technical Field
The invention relates to a control circuit, in particular to a control circuit of an automatic energy-saving driving power supply.
Background
When the input current is unstable, the output current is unstable, the power consumption is large, energy is not saved, after a control signal is received, the current transition is not stable, the output current cannot be accurately controlled, the power change is large, the brightness of the color of the lamp cannot be accurately controlled, the control effect cannot be achieved, meanwhile, the dimming cannot be realized through a controller, the use requirement of lamp control cannot be met, and the consumer experience is poor. Therefore, there is a need for improvements in the art to avoid the disadvantages of the prior art.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a control circuit of an automatic energy-saving driving power supply.
The invention is realized by the following technical scheme:
a control circuit of an automatic energy-saving driving power supply comprises a power supply chip U1, a rectifier bridge BD1, a constant current driving chip U2, a control interface JI, a diode D1, a diode D2, a diode D3, a diode D4, a diode D5, a voltage stabilizing diode D6, a polar capacitor C1, a polar capacitor C2, a polar capacitor C3, a polar capacitor C5, a polar capacitor C7, an inductor L1 and an inductor L2, wherein a third pin of the rectifier bridge BD1 is connected with an L end of the power supply through a protective tube F1, a first pin of the rectifier bridge BD1 is connected with an N end of the power supply through a thermistor NT1, a second pin of the rectifier bridge BD1 is connected with a fourth pin of the constant current driving chip U2 through a resistor R1, a fourth pin of the rectifier bridge BD1 is grounded, the second pin of the rectifier bridge BD1 is connected with an output end V +, a fifth pin of the driving chip U2 is connected with a constant current output end V29 through a constant current transformer V-1, the seventh pin of the constant current driving chip U2 is connected to the third pin of the control interface JI through a resistor R11, the second pin of the rectifier bridge BD1 is connected to the anode of the diode D3, the cathode of the diode D3 is connected to the first pin of the power supply chip U1, and the third pin of the power supply chip U1 is connected to the seventh pin of the control interface JI through the inductor L2.
Further, the L end of power passes through protective tube F1 and piezo-resistor MOV2 and connects the N end of power, the L end of power passes through protective tube F1 and electric capacity CX1 and connects the N end of power, the L end of power passes through protective tube F1, resistance R3 and resistance R4 and connects the N end of power, the L end of power passes through protective tube F1, piezo-resistor MOV1 and thermistor NT1 and connects the N end of power, rectifier bridge BD 1's third pin is connected the positive pole of diode D2, diode D2's negative pole passes through resistance R13 and resistance R14 and connects zener diode D6's negative pole, zener diode D6's positive pole ground connection, zener diode D6 is parallelly connected a electric capacity C9 and a resistance R15 respectively, the negative pole of zener diode D6 is connected the fifth pin of control interface JI.
Further, a second pin of the rectifier bridge BD1 is connected to the positive electrode of the polar capacitor C1, a fourth pin of the rectifier bridge BD1 is connected to the negative electrode of the polar capacitor C1, a second pin of the rectifier bridge BD1 is connected to the positive electrode of the polar capacitor C2, and a fourth pin of the rectifier bridge BD1 is connected to the negative electrode of the polar capacitor C2.
Further, a second pin of the rectifier bridge BD1 is connected to a negative electrode of the diode D1, a positive electrode of the diode D1 is connected to a fifth pin of the constant current driving chip U2, a positive electrode of the polar capacitor C3 is connected to the second pin of the rectifier bridge BD1, a negative electrode of the polar capacitor C3 is connected to the fifth pin of the constant current driving chip U2 through the inductor L1, and the polar capacitor C3 is connected in parallel with a resistor R2.
Further, a second pin of the constant current driving chip U2 is grounded, a first pin of the constant current driving chip U2 is grounded through a resistor R5, the resistor R5 is connected in parallel with a resistor R6, an eighth pin of the constant current driving chip U2 is grounded through a resistor R7, the resistors R7 are respectively connected in parallel with a resistor R8 and a resistor R9, and a seventh pin of the constant current driving chip U2 is grounded through a resistor R10.
Further, the first pin of the power supply chip U1 is connected to the positive electrode of the polar capacitor C5, and the negative electrode of the polar capacitor C5 is grounded.
Further, the anode of the diode D2 is connected to the L terminal of the power supply through a fuse F1, the cathode of the diode D2 is connected to the cathode of the zener diode D6 through a resistor R13 and a resistor R14, the anode of the zener diode D6 is grounded, the zener diode D6 is connected in parallel to a resistor R15 and a capacitor C9, respectively, and the fifth pin of the control interface JI is connected to the cathode of the zener diode D6.
Further, the anode of the diode D4 is grounded, the cathode of the diode D4 is connected to the third pin of the power supply chip U1, the second pin of the power supply chip U1 is connected to the third pin of the power supply chip U1 through a capacitor C6, the cathode of the polar capacitor C7 is grounded, the anode of the polar capacitor C7 is connected to the third pin of the power supply chip U1 through an inductor L2, the cathode of the diode D5 is connected to the second pin of the power supply chip U1, the anode of the diode D5 is grounded through a resistor R12, and the anode of the diode D5 is connected to the third pin of the power supply chip U1 through the inductor L2.
Further, a sixth pin of the control interface JI is grounded, and a seventh pin of the control interface JI is grounded through a capacitor C8.
Further, the power supply chip U1 has a chip model number FT8430, and the constant current driving chip U2 has a chip model number BP2956 XS.
Furthermore, the power supply also comprises an interface COM1 and an interface COM2, wherein the interface COM1 is respectively connected with the N end and the L end of the power supply, and the interface COM2 is respectively connected with the output end V + and the output end V-.
Compared with the prior art, the invention rectifies the input current through the control circuit comprising the power supply chip U1, the rectifier bridge BD1, the constant current drive chip U2, the control interface JI, the diode D1, the diode D2, the diode D3, the diode D4, the diode D5, the zener diode D6, the polar capacitor C1, the polar capacitor C2, the polar capacitor C3, the polar capacitor C5, the polar capacitor C7, the inductor L1 and the inductor L2, the rectifier bridge BD1 rectifies the input current, the constant current drive chip U2 and the inductor L1 stabilize the voltage current, the constant current drive chip U2 receives the control signal of the control interface JI to control the output current, the power supply chip U1 and the inductor L2 stably control the power supply voltage of the control interface JI, ensures the stable operation of the control interface JI, makes the drive power supply unstable when the input current is timed, the output current is stable, the power consumption is small, and saves the electric energy, after receiving the control signal, the current transition is steady, and output current can obtain accurate control, and power variation is little, and the luminance of lamps and lanterns colour obtains accurate control easily, reaches control effect, can adjust luminance through the controller simultaneously, satisfies lamps and lanterns control's operation requirement, and consumer experience is good.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a circuit principle of a control circuit of the automatic energy-saving driving power supply of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The control circuit of an automatic energy-saving driving power supply of the invention as shown in fig. 1 comprises a power supply chip U1, a rectifier bridge BD1, a constant current driving chip U2, a control interface JI, a diode D1, a diode D2, a diode D3, a diode D4, a diode D5, a zener diode D6, a polar capacitor C1, a polar capacitor C2, a polar capacitor C3, a polar capacitor C5, a polar capacitor C7, an inductor L1 and an inductor L2, wherein a third pin of the rectifier bridge BD1 is connected with an L end of the power supply through a fuse F1, a first pin of the rectifier bridge BD1 is connected with an N end of the power supply through a thermistor NT1, a second pin of the rectifier bridge BD1 is connected with a fourth pin of the constant current driving chip U2 through a resistor R1, a fourth pin of the rectifier bridge BD1 is grounded, a second pin of the rectifier bridge BD1 is connected with an output terminal V +, a fifth pin of the driving chip U2 is connected with an L1V-V output terminal through a constant current transistor F1, the seventh pin of the constant current driving chip U2 is connected to the third pin of the control interface JI through a resistor R11, the second pin of the rectifier bridge BD1 is connected to the anode of the diode D3, the cathode of the diode D3 is connected to the first pin of the power supply chip U1, and the third pin of the power supply chip U1 is connected to the seventh pin of the control interface JI through an inductor L2. The control circuit comprises a power supply chip U1, a rectifier bridge BD1, a constant current drive chip U2, a control interface JI, a diode D1, a diode D2, a diode D3, a diode D4, a diode D5, a voltage stabilizing diode D6, a polar capacitor C1, a polar capacitor C2, a polar capacitor C3, a polar capacitor C5, a polar capacitor C7, an inductor L1 and an inductor L2, the rectifier bridge BD1 rectifies input current, the constant current drive chip U2 and the inductor L1 stabilize voltage current, the constant current drive chip U2 receives a control signal of the control interface JI to control output current, the power supply chip U1 and the inductor L2 stabilize the power supply voltage of the control interface JI, the stable operation of the control interface JI is ensured, when the input current of the drive power supply is unstable, the output current is stable, the power consumption is low, the electric energy is saved, and after receiving the control signal, the current transition is stable, output current can obtain accurate control, and power variation is little, and the luminance of lamps and lanterns colour obtains accurate control easily, reaches control effect, can adjust luminance through the controller simultaneously, satisfies lamps and lanterns control's operation requirement, and consumer experience is good.
The L end of the power supply is connected with the N end of the power supply through a fuse tube F1 and a varistor MOV2, the L end of the power supply is connected with the N end of the power supply through a fuse tube F1 and a capacitor CX1, the L end of the power supply is connected with the N end of the power supply through a fuse tube F1, a resistor R3 and a resistor R4, the L end of the power supply is connected with the N end of the power supply through a fuse tube F1, a varistor MOV1 and a thermistor NT1, a third pin of a rectifier bridge BD1 is connected with the anode of a diode D2, the cathode of the diode D2 is connected with the cathode of a voltage stabilizing diode D6 through a resistor R13 and a resistor R14, the anode of the voltage stabilizing diode D6 is grounded, the voltage stabilizing diode D6 is respectively connected with a capacitor C9 and a resistor R15 in parallel, and the cathode of the voltage stabilizing diode D6 is connected with the fifth pin of a control interface JI, so that the safety, the stability and the synchronism of voltage input are ensured.
The second pin of the rectifier bridge BD1 is connected with the positive electrode of the polar capacitor C1, the fourth pin of the rectifier bridge BD1 is connected with the negative electrode of the polar capacitor C1, the second pin of the rectifier bridge BD1 is connected with the positive electrode of the polar capacitor C2, and the fourth pin of the rectifier bridge BD1 is connected with the negative electrode of the polar capacitor C2, so that the stability and the safety of current output of the rectifier bridge BD1 are improved.
The second pin of the rectifier bridge BD1 is connected to the cathode of the diode D1, the anode of the diode D1 is connected to the fifth pin of the constant current driving chip U2, the anode of the polarity capacitor C3 is connected to the second pin of the rectifier bridge BD1, the cathode of the polarity capacitor C3 is connected to the fifth pin of the constant current driving chip U2 through the inductor L1, and the polarity capacitor C3 is connected in parallel with the resistor R2, so that the stability and safety of the constant current driving chip U2 in current output control are improved.
The second pin of the constant current driving chip U2 is grounded, the first pin of the constant current driving chip U2 is grounded through a resistor R5, a resistor R5 is connected in parallel with a resistor R6, the eighth pin of the constant current driving chip U2 is grounded through a resistor R7, the resistors R7 are respectively connected in parallel with a resistor R8 and a resistor R9, and the seventh pin of the constant current driving chip U2 is grounded through a resistor R10, so that the working safety and the working level stability of the constant current driving chip U2 are ensured.
The first pin of the power supply chip U1 is connected with the anode of the polar capacitor C5, and the cathode of the polar capacitor C5 is grounded, so that the working safety of the power supply chip U1 is ensured.
The anode of the diode D4 is grounded, the cathode of the diode D4 is connected to the third pin of the power supply chip U1, the second pin of the power supply chip U1 is connected to the third pin of the power supply chip U1 through a capacitor C6, the cathode of the polar capacitor C7 is grounded, the anode of the polar capacitor C7 is connected to the third pin of the power supply chip U1 through an inductor L2, the cathode of the diode D5 is connected to the second pin of the power supply chip U1, the anode of the diode D5 is grounded through a resistor R12, and the anode of the diode D5 is connected to the third pin of the power supply chip U1 through the inductor L2, so that the stability and safety of the operation of the power supply chip U1 are ensured, the power supply voltage is more stable, and the electric energy is saved.
The sixth pin of the control interface JI is grounded and the seventh pin of the control interface JI is grounded through the capacitor C8, thereby ensuring the operational safety of the control interface JI.
The power supply chip U1 has the chip model of FT8430, the constant current drive chip U2 has the chip model of BP2956XS, and the constant current drive chip U2 is combined with the power supply chip U1, so that the current control is accurate, the output power control is stable, the power consumption is low, the working efficiency is high, and the electric energy is saved.
The power supply further comprises a connector COM1 and a connector COM2, wherein the connector COM1 is respectively connected with the N end and the L end of the power supply, and the connector COM2 is respectively connected with the output end V + and the output end V-, so that the input connection and the output connection of the driving power supply are facilitated.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides an automatic energy-conserving drive power supply's control circuit which characterized in that: the constant current driving circuit comprises a power supply chip U1, a rectifier bridge BD1, a constant current driving chip U2, a control interface JI, a diode D1, a diode D2, a diode D3, a diode D4, a diode D5, a voltage stabilizing diode D6, a polar capacitor C1, a polar capacitor C2, a polar capacitor C3, a polar capacitor C5, a polar capacitor C7, an inductor L1 and an inductor L2, wherein a third pin of the rectifier bridge BD1 is connected with an L end of a power supply through a protective tube F1, a first pin of the rectifier bridge BD1 is connected with an N end of the power supply through a thermistor NT1, a second pin of the rectifier bridge BD1 is connected with a fourth pin of the constant current driving chip U2 through a resistor R1, a fourth pin of the rectifier bridge BD1 is grounded, a second pin of the rectifier bridge BD1 is connected with an output terminal BD +, a fifth pin of the constant current driving chip U2 is connected with a V2 through the inductor L1, and a seventh pin of the constant current driving chip U2 is connected with the control interface JI R11, the second pin of the rectifier bridge BD1 is connected to the anode of the diode D3, the cathode of the diode D3 is connected to the first pin of the power supply chip U1, and the third pin of the power supply chip U1 is connected to the seventh pin of the control interface JI through the inductor L2.
2. The control circuit of an automatic power-saving driving power supply according to claim 1, wherein: the L end of power passes through protective tube F1 and piezo-resistor MOV2 and connects the N end of power, the L end of power passes through protective tube F1 and electric capacity CX1 and connects the N end of power, the L end of power passes through protective tube F1, resistance R3 and resistance R4 and connects the N end of power, the L end of power passes through protective tube F1, piezo-resistor MOV1 and thermistor NT1 and connects the N end of power, rectifier bridge BD 1's third pin is connected the positive pole of diode D2, diode D2's negative pole passes through resistance R13 and resistance R14 and connects zener diode D6's negative pole, zener diode D6's positive ground connection, zener diode D6 is parallelly connected respectively has a electric capacity C9 and a resistance R15, zener diode D6's negative pole is connected the fifth pin of control interface JI.
3. The control circuit of an automatic energy-saving driving power supply according to claim 1, wherein: the second pin of the rectifier bridge BD1 is connected to the positive electrode of the polar capacitor C1, the fourth pin of the rectifier bridge BD1 is connected to the negative electrode of the polar capacitor C1, the second pin of the rectifier bridge BD1 is connected to the positive electrode of the polar capacitor C2, and the fourth pin of the rectifier bridge BD1 is connected to the negative electrode of the polar capacitor C2.
4. The control circuit of an automatic power-saving driving power supply according to claim 1, wherein: a second pin of the rectifier bridge BD1 is connected to a negative electrode of the diode D1, a positive electrode of the diode D1 is connected to a fifth pin of the constant current driving chip U2, a positive electrode of the polarity capacitor C3 is connected to the second pin of the rectifier bridge BD1, a negative electrode of the polarity capacitor C3 is connected to the fifth pin of the constant current driving chip U2 through the inductor L1, and the polarity capacitor C3 is connected in parallel with a resistor R2.
5. The control circuit of an automatic energy-saving driving power supply according to claim 1, wherein: the second pin of the constant current driving chip U2 is grounded, the first pin of the constant current driving chip U2 is grounded through a resistor R5, the resistor R5 is connected in parallel with a resistor R6, the eighth pin of the constant current driving chip U2 is grounded through a resistor R7, the resistors R7 are respectively connected in parallel with a resistor R8 and a resistor R9, and the seventh pin of the constant current driving chip U2 is grounded through a resistor R10.
6. The control circuit of an automatic power-saving driving power supply according to claim 1, wherein: the first pin of the power supply chip U1 is connected to the positive electrode of the polar capacitor C5, and the negative electrode of the polar capacitor C5 is grounded.
7. The control circuit of an automatic power-saving driving power supply according to claim 1, wherein: the anode of the diode D4 is grounded, the cathode of the diode D4 is connected to the third pin of the power supply chip U1, the second pin of the power supply chip U1 is connected to the third pin of the power supply chip U1 through a capacitor C6, the cathode of the polar capacitor C7 is grounded, the anode of the polar capacitor C7 is connected to the third pin of the power supply chip U1 through an inductor L2, the cathode of the diode D5 is connected to the second pin of the power supply chip U1, the anode of the diode D5 is grounded through a resistor R12, and the anode of the diode D5 is connected to the third pin of the power supply chip U1 through the inductor L2.
8. The control circuit of an automatic energy-saving driving power supply according to claim 1, wherein: the sixth pin of the control interface JI is grounded and the seventh pin of the control interface JI is grounded through a capacitor C8.
9. The control circuit of an automatic power-saving driving power supply according to claim 1, wherein: the power supply chip U1 is FT8430, and the constant current driving chip U2 is BP2956 XS.
10. The control circuit of an automatic power-saving driving power supply according to claim 1, wherein: the power supply further comprises an interface COM1 and an interface COM2, wherein the interface COM1 is respectively connected with the N end and the L end of the power supply, and the interface COM2 is respectively connected with the output end V + and the output end V-.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210867278.3A CN115103489A (en) | 2022-07-22 | 2022-07-22 | Control circuit of automatic energy-saving driving power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210867278.3A CN115103489A (en) | 2022-07-22 | 2022-07-22 | Control circuit of automatic energy-saving driving power supply |
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| Publication Number | Publication Date |
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| CN115103489A true CN115103489A (en) | 2022-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210867278.3A Pending CN115103489A (en) | 2022-07-22 | 2022-07-22 | Control circuit of automatic energy-saving driving power supply |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115767836A (en) * | 2023-01-09 | 2023-03-07 | 深圳北极之光科技有限公司 | Lamp circuit |
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2022
- 2022-07-22 CN CN202210867278.3A patent/CN115103489A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115767836A (en) * | 2023-01-09 | 2023-03-07 | 深圳北极之光科技有限公司 | Lamp circuit |
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