Adjusting circuit for controlling ceiling fan headlamp based on resistor

Abstract

The utility model discloses a regulating circuit for controlling ceiling fan headlights based on a resistor, which comprises a thermistor RT1, an inductor L1, a safety capacitor CX2, a silicon controlled rectifier Q2, a voltage-regulator tube D3 and a capacitor-resistor assembly, one end of the thermistor RT1 is connected with an LC end, and the other end of the thermistor RT1 is respectively connected with one end of the safety capacitor CX2 and a first port of the silicon controlled rectifier Q2; the other end of the safety capacitor CX2 is respectively connected with one end of the inductor L1 and a lamp interface, a second port of the silicon controlled rectifier Q2 is connected with the other end of the inductor L1, a third port of the silicon controlled rectifier Q2 is connected with the capacitance-resistance assembly through a voltage-regulator tube D3, and the capacitance-resistance assembly is connected with an adjustable resistor VR1. According to the design, the development difficulty of software can be reduced, and the brightness adjustment of the ceiling fan headlamp is simplified through a circuit on hardware. The resistor is used for controlling the brightness of the ceiling lamp, power limiting measures are taken on hardware, the troublesome and tedious adjustment process of software can be avoided, and adjustment is accurate. And an economic development scheme is adopted, and the development period of adjustment is shortened.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lamp brightness adjustment technical field, especially a kind of adjustment circuit based on resistor control ceiling fan headlamp. BACKGROUND

[0002] The ceiling fan with headlamp that current market promotes is to carry out infrared control adjustment the brightness and wind speed of ceiling fan headlamp by remote control button at certain distance.Light gear and wind speed gear are basically six gears.Three gears are low, middle and high gears to control wind speed;The remaining three gears are weak, middle and strong gears to control headlamp.

[0003] The shortcomings of existing scheme are as follows:

[0004] 1) mainly still by the way of software adjustment control headlamp light gear, this can increase control difficulty on software, possibly involves the processing of EMC problems such as flicker fluctuation, radiation;

[0005] 2) need to adjust constantly on power limit, and this adjustment is often inaccurate, cannot be accurate to several watts, several watts adjustment;

[0006] 3) increase cost, a headlamp ceiling fan product needs to be configured with a remote controller, and the price will go up. SUMMARY

[0007] In view of the problems in the prior art, the purpose of the utility model is to provide an adjustment circuit based on resistor control ceiling fan headlamp.

[0008] To solve the above problems, the utility model adopts the following technical scheme.

[0009] An adjustment circuit based on resistor control ceiling fan headlamp, including thermistor RT1, inductor L1, safety capacitor CX2, thyristor Q2, voltage stabilizing tube D3 and capacitor resistance component, one end of the thermistor RT1 is connected to LC end, the other end is connected with the one end of safety capacitor CX2 and the first port of thyristor Q2 respectively, the other end of safety capacitor CX2 is connected with the one end of inductor L1 and lamp interface respectively, the second port of thyristor Q2 is connected with the other end of inductor L1, the third port of thyristor Q2 is connected with capacitor resistance component through voltage stabilizing tube D3, and the capacitor resistance component is connected with adjustable resistor VR1.

[0010] As a further improvement of the utility model, the capacitor resistance component includes capacitor C2, capacitor C3, resistor R7, resistor R8 and resistor R18, the capacitor C2, resistor R8 and capacitor C3 are connected in sequence to form a loop, one end of the resistor R18 is connected with resistor R8 and capacitor C3 respectively, and the other end of the resistor R18 is connected with resistor R7.

[0011] The utility model discloses the beneficial effect

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] 1) can reduce the development difficulty on the software, and the brightness adjustment of ceiling fan big lamp is simplified through the circuit on the hardware.

[0014] 2) use resistor control ceiling lamp brightness, do power limit's measure on the hardware, can avoid the complicated adjustment process of software trouble, and the adjustment is accurate.

[0015] 3) more economical development scheme, shorten the development cycle of adjustment. DRAWINGS

[0016] Figure 1 It is the circuit diagram of the utility model. EMBODIMENTS

[0017] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model; obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, and all other embodiments obtained by the person skilled in the art without creative labor based on the embodiments in the utility model belong to the protection scope of the utility model.

[0018] Please refer to Figure 1 A kind of adjustment circuit based on resistor control ceiling fan big lamp, including thermistor RT1, inductance L1, safety capacitor CX2, thyristor Q2, stabilivolt D3 and capacitor resistor component, the thermistor RT1 one end is connected LC end, the other end is respectively connected with the one end of safety capacitor CX2, the first port of thyristor Q2, the other end of safety capacitor CX2 is respectively connected with the one end of inductance L1, and lamp interface is connected, the second port of thyristor Q2 is connected with the other end of inductance L1, the third port of thyristor Q2 is connected with capacitor resistor component by stabilivolt D3, the capacitor resistor component is connected with adjustable resistor VR1.

[0019] The working principle of the utility model is: zero fire line input control thyristor Q2 to drive circuit's headlamp work, specific as follows: fire line end is LC end through thermistor RT1 and safety capacitor CX2 to reach thyristor Q2, thyristor Q2 as strong electricity weak electricity's control switch device, will high voltage large current connect through stabilivolt D3 voltage stabilization again through subsequent resistance, capacitor's processing output a range voltage, in this output voltage is just can provide for ceiling fan headlamp's maximum working voltage, will adjustable resistor VR1 and headlamp be in this above that drive's circuit and can be through resistor with hardware's mode adjust away fan headlamp's brightness.

[0020] Specifically, the capacitor resistor assembly includes a capacitor C2, a capacitor C3, a resistor R7, a resistor R8, and a resistor R18. The capacitor C2, the resistor R8, and the capacitor C3 are connected in sequence to form a loop. One end of the resistor R18 is connected to the resistor R8 and the capacitor C3, respectively. The other end of the resistor R18 is connected to the resistor R7.

[0021] The above is only the preferred embodiment of the utility model; however, the protection scope of the utility model is not limited to this. Any skilled person in the art can make equivalent replacements or changes according to the technical scheme and the improvement concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A regulating circuit for controlling a ceiling fan headlight based on a resistor, characterized by, The application relates to a resistance control adjusting circuit for a ceiling fan headlamp, which comprises a thermistor RT1, an inductor L1, an anti-parking capacitor CX2, a thyristor Q2, a voltage stabilizing tube D3 and a capacitor-resistor assembly, one end of the thermistor RT1 is connected with an LC end, the other end is connected with one end of the anti-parking capacitor CX2 and a first port of the thyristor Q2, the other end of the anti-parking capacitor CX2 is connected with one end of the inductor L1 and a lamp interface, a second port of the thyristor Q2 is connected with the other end of the inductor L1, a third port of the thyristor Q2 is connected with the capacitor-resistor assembly through the voltage stabilizing tube D3, and the capacitor-resistor assembly is connected with an adjustable resistor VR1.

2. The resistance control adjusting circuit for a ceiling fan headlamp according to claim 1, characterized in that: The capacitor-resistor assembly comprises a capacitor C2, a capacitor C3, a resistor R7, a resistor R8 and a resistor R18, the capacitor C2, the resistor R8 and the capacitor C3 are sequentially connected to form a loop, one end of the resistor R18 is connected with the resistor R8 and the capacitor C3, and the other end of the resistor R18 is connected with the resistor R7.

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