CN215379286U - Ceiling lamp drive control circuit - Google Patents
Ceiling lamp drive control circuit Download PDFInfo
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- CN215379286U CN215379286U CN202121386806.0U CN202121386806U CN215379286U CN 215379286 U CN215379286 U CN 215379286U CN 202121386806 U CN202121386806 U CN 202121386806U CN 215379286 U CN215379286 U CN 215379286U
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- constant current
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Abstract
The utility model relates to the technical field of ceiling lamps, and particularly discloses a ceiling lamp driving control circuit which comprises an input power supply circuit, a constant current driving control circuit, a voltage stabilizing circuit and a power supply output circuit, wherein the constant current driving control circuit is respectively and electrically connected with the input power supply circuit and the voltage stabilizing circuit, and the voltage stabilizing circuit is respectively and electrically connected with the input power supply circuit and the power supply output circuit. The ceiling lamp is subjected to constant current control by arranging the constant current driving control circuit, so that the average output current and the average output power of the ceiling lamp are independent of the input voltage of the ceiling lamp, the average output current and the average output power of the ceiling lamp are constant, the working efficiency of the system is high, and the later maintenance cost is low.
Description
Technical Field
The utility model relates to the technical field of ceiling lamps, in particular to a driving control circuit of a ceiling lamp.
Background
The ceiling lamp is one of lamps, and the ceiling lamp is called as the ceiling lamp as the name suggests because the lamp top is relatively flat, and the bottom pastes on the roof completely during installation. The Light source includes a general white Light bulb, a fluorescent lamp, a high-intensity gas discharge lamp, a tungsten halogen lamp, a Light-Emitting Diode (LED), and the like. The most popular ceiling lamp in the market at present is the LED ceiling lamp, and the LED ceiling lamp is a lamp often selected and used in various places such as families, offices, entertainment places and the like. However, the average output current and the average output power of the existing ceiling lamp can change along with the change of the input voltage of the existing ceiling lamp, so that when the input voltage is unstable, the brightness of the LED lamp can change, the working efficiency of the system is reduced, and the later maintenance cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a ceiling lamp driving control circuit is provided to overcome the defects in the prior art, and the ceiling lamp is subjected to constant current control by arranging the constant current driving control circuit, so that the average output current and the average output power of the ceiling lamp are independent of the input voltage of the ceiling lamp, the average output current and the average output power of the ceiling lamp are constant, the working efficiency of a system is high, and the later maintenance cost is low.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
the utility model provides a ceiling lamp drive control circuit, includes input power supply circuit, constant current drive control circuit, voltage stabilizing circuit and power output circuit, constant current drive control circuit respectively with input power supply circuit and voltage stabilizing circuit electricity are connected, voltage stabilizing circuit is connected with input power supply circuit and power output circuit electricity respectively.
Preferably, the constant current drive control circuit comprises a constant current drive chip U1, a resistor RS1, a resistor RS2 and a resistor R3, wherein one end of the resistor RS1 and one end of the resistor RS2 are both connected with a first pin of the constant current drive chip U1, one end of the resistor R3 is connected with a sixth pin of the constant current drive chip U1, and the other end of the resistor RS1, the other end of the resistor RS2 and the other end of the resistor R3 are all grounded.
Preferably, the input power supply circuit includes a resistor R1, a resistor R2, and a capacitor E3, one end of the resistor R2 is connected to one end of the resistor R1, the other end of the resistor R2 and one end of the capacitor E3 are both connected to the eighth pin of the constant current driver chip U1, and the other end of the capacitor E3 is grounded.
Preferably, the voltage stabilizing circuit comprises a diode D1, a capacitor C1, a resistor R6 and an inductor L1, an anode of the diode D1, one end of the capacitor C1 and one end of the inductor L1 are all connected to the third pin and the fourth pin of the constant current driving chip U1, the other end of the capacitor C1 is connected to one end of a resistor R6, and a cathode of the diode D1 is connected to the other end of the resistor R6.
Preferably, the power output circuit includes a capacitor CY1, a capacitor E4, a capacitor CY1, a positive terminal LED + and a negative terminal LED-, one end of the capacitor E4, one end of the capacitor CY1, one end of the resistor R4 and the negative terminal LED-are all connected to the other end of the inductor L1, the other end of the capacitor E4, the other end of the resistor R4 and the positive terminal LED + are all connected to the cathode of the diode D1, and the other end of the capacitor CY1 is grounded.
By adopting the technical scheme, the ceiling lamp driving control circuit provided by the utility model has the following beneficial effects: the constant current drive control circuit in the ceiling lamp drive control circuit is respectively electrically connected with the input power supply circuit and the voltage stabilizing circuit, the voltage stabilizing circuit is respectively electrically connected with the input power supply circuit and the power supply output circuit, and the ceiling lamp is subjected to constant current control by arranging the constant current drive control circuit, so that the average output current and the average output power of the ceiling lamp are independent of the input voltage of the ceiling lamp, the constancy of the average output current and the average output power of the ceiling lamp is realized, the system work efficiency is high, and the later maintenance cost is lower.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
As shown in fig. 1, in the circuit schematic diagram of the present invention, the ceiling lamp driving control circuit includes an input power circuit, a constant current driving control circuit, a voltage stabilizing circuit and a power output circuit, the constant current driving control circuit is electrically connected to the input power circuit and the voltage stabilizing circuit respectively, and the voltage stabilizing circuit is electrically connected to the input power circuit and the power output circuit respectively. It can be understood that the input power circuit is used for being connected with a power supply, the constant current drive control circuit is used for generating and outputting a drive control signal to the power output circuit according to the input power voltage, the voltage stabilizing circuit is used for stabilizing the input power voltage, and the power output circuit is used for driving and controlling the working state of the ceiling lamp in a constant current mode according to the drive control signal.
Specifically, the constant current drive control circuit comprises a constant current drive chip U1, a resistor RS1, a resistor RS2 and a resistor R3, wherein one end of the resistor RS1 and one end of the resistor RS2 are both connected with a first pin of the constant current drive chip U1, one end of the resistor R3 is connected with a sixth pin of the constant current drive chip U1, and the other end of the resistor RS1, the other end of the resistor RS2 and the other end of the resistor R3 are all grounded; the input power supply circuit comprises a resistor R1, a resistor R2 and a capacitor E3, one end of the resistor R2 is connected with one end of a resistor R1, the other end of the resistor R2 and one end of a capacitor E3 are both connected with an eighth pin of the constant current driving chip U1, and the other end of the capacitor E3 is grounded; the voltage stabilizing circuit comprises a diode D1, a capacitor C1, a resistor R6 and an inductor L1, wherein the anode of the diode D1, one end of the capacitor C1 and one end of the inductor L1 are connected with a third pin and a fourth pin of the constant current driving chip U1, the other end of the capacitor C1 is connected with one end of a resistor R6, and the cathode of the diode D1 is connected with the other end of the resistor R6; the power output circuit comprises a capacitor CY1, a capacitor E4, a capacitor CY1, a positive terminal LED + and a negative terminal LED-, one end of the capacitor E4, one end of the capacitor CY1, one end of a resistor R4 and the negative terminal LED-are all connected with the other end of the inductor L1, the other end of the capacitor E4, the other end of the resistor R4 and the positive terminal LED + are all connected with the cathode of the diode D1, and the other end of the capacitor CY1 is grounded. It is understood that the constant current driving chip U1 may be a YT2202A chip or the like.
The ceiling lamp control circuit is reasonable in design and unique in structure, and the ceiling lamp is subjected to constant current control by the constant current drive control circuit, so that the average output current and the average output power of the ceiling lamp are independent of the input voltage of the ceiling lamp, the average output current and the average output power of the ceiling lamp are constant, the working efficiency of the system is high, and the later maintenance cost is low.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, and the scope of protection is still within the scope of the utility model.
Claims (5)
1. The utility model provides a ceiling lamp drive control circuit which characterized in that: the constant current drive control circuit is respectively and electrically connected with the input power supply circuit and the voltage stabilizing circuit, and the voltage stabilizing circuit is respectively and electrically connected with the input power supply circuit and the power output circuit.
2. The ceiling lamp driving control circuit according to claim 1, wherein: the constant current driving control circuit comprises a constant current driving chip U1, a resistor RS1, a resistor RS2 and a resistor R3, wherein one end of the resistor RS1 and one end of the resistor RS2 are connected with a first pin of the constant current driving chip U1, one end of the resistor R3 is connected with a sixth pin of the constant current driving chip U1, and the other end of the resistor RS1, the other end of the resistor RS2 and the other end of the resistor R3 are all grounded.
3. The ceiling lamp driving control circuit according to claim 2, wherein: the input power supply circuit comprises a resistor R1, a resistor R2 and a capacitor E3, one end of the resistor R2 is connected with one end of a resistor R1, the other end of the resistor R2 and one end of a capacitor E3 are both connected with an eighth pin of the constant current driving chip U1, and the other end of the capacitor E3 is grounded.
4. The ceiling lamp driving control circuit according to claim 2, wherein: the voltage stabilizing circuit comprises a diode D1, a capacitor C1, a resistor R6 and an inductor L1, wherein the anode of the diode D1, one end of the capacitor C1 and one end of the inductor L1 are connected with the third pin and the fourth pin of the constant current driving chip U1, the other end of the capacitor C1 is connected with one end of a resistor R6, and the cathode of the diode D1 is connected with the other end of the resistor R6.
5. The ceiling lamp driving control circuit according to claim 4, wherein: the power output circuit comprises a capacitor CY1, a capacitor E4, a capacitor CY1, a positive terminal LED + and a negative terminal LED-, one end of the capacitor E4, one end of the capacitor CY1, one end of a resistor R4 and the negative terminal LED-are all connected with the other end of the inductor L1, the other end of the capacitor E4, the other end of the resistor R4 and the positive terminal LED + are all connected with the cathode of the diode D1, and the other end of the capacitor CY1 is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121386806.0U CN215379286U (en) | 2021-06-21 | 2021-06-21 | Ceiling lamp drive control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121386806.0U CN215379286U (en) | 2021-06-21 | 2021-06-21 | Ceiling lamp drive control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215379286U true CN215379286U (en) | 2021-12-31 |
Family
ID=79604729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121386806.0U Active CN215379286U (en) | 2021-06-21 | 2021-06-21 | Ceiling lamp drive control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215379286U (en) |
-
2021
- 2021-06-21 CN CN202121386806.0U patent/CN215379286U/en active Active
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