Fan and illumination low-voltage double-control drive circuit and ceiling fan lamp
By using a low-voltage dual-control drive circuit and control module, the problems of complex wiring and leakage risk of fan and lighting drive motors in traditional ceiling fan lights are solved, and safe and reliable fan and lighting control is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-11
- Publication Date
- 2026-04-07
AI Technical Summary
In traditional ceiling fan lights, the drive motors and light sources for the fan and lighting need to be controlled separately, resulting in complex wiring and the risk of leakage.
It adopts a low-voltage dual-control drive circuit, which modulates the voltage to a safe voltage range through a power modulation module and a transformer module, and uses a control module to control the fan and lighting components respectively. It combines an isolation module and a wireless transmission module to improve safety and simplify wiring.
It achieves simple, compact, low-cost, and safe and reliable fan and lighting control, avoiding the risk of leakage.
Smart Images

Figure CN224097885U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to power drive technical field, especially in low voltage double -control's drive circuit and ceiling fan lamp of fan and lighting. BACKGROUND
[0002] Traditional ceiling fan lamp, the motor and light source of driving fan rotation need to adopt different controller drive respectively, and the control component of input control instruction is integrated on the same control panel, and the control instruction is sent to different controllers by the control panel, the overall wiring is more complex, and the motor and light source are directly powered by the commercial power, when the fault occurs, the user has the risk of electric leakage to the control panel control. SUMMARY
[0003] The utility model discloses at least solve one of the technical problems in prior art. To this end, the utility model provides a fan and lighting low voltage double -control's drive circuit and ceiling fan lamp, simple and compact structure, safe and reliable use.
[0004] According to the first aspect embodiment of the utility model, a fan and lighting low voltage double -control's drive circuit, comprising: power modulation module, the input of power modulation module is connected with alternating current power supply to rectify alternating current power supply and output power supply, voltage modulation module, the input of voltage modulation module is connected with the output of power modulation module, voltage modulation module is used to modulate the voltage of power supply to be less than 36V and output, fan motor assembly and fan drive module, fan motor assembly and fan drive module are connected to constitute at least part fan drive branch, the output of voltage modulation module is connected with fan drive branch to power fan motor assembly, lighting assembly and lighting drive module, lighting assembly and lighting drive module are connected to constitute at least part lighting drive branch, the output of voltage modulation module is connected with lighting drive branch to power lighting assembly, control module and control component, the control component is used to obtain or driven control instruction, control module is connected with control component, the controlled end of fan drive module and the controlled end of lighting drive module to control at least one of fan motor assembly and lighting assembly according to control instruction runs respectively.
[0005] According to the utility model embodiment, a fan and lighting low voltage double -control's drive circuit has at least the following beneficial effects:
[0006] This utility model relates to a low-voltage dual-control drive circuit for both fans and lighting. After the power modulation module rectifies and outputs the AC power supply, the transformer module further processes the power supply to control the voltage within a safe range of 36V. A control module is used to control the operation of the lighting component and the fan motor component separately. The user inputs control commands through the control component, and the control module then controls the operation of the lighting component or the fan motor component according to the control commands. The structure is simple and compact, with low installation cost. Even in the event of a fault, the control module and the control component are powered by a safe voltage, making it safe and reliable to use.
[0007] According to some embodiments of the present invention, the drive circuit for low-voltage dual control of the fan and lighting further includes a first isolation module, and the control module is connected to the controlled terminal of the fan drive module through the first isolation module.
[0008] According to some embodiments of the present invention, the drive circuit for low-voltage dual control of the fan and lighting further includes a second isolation module, wherein the control module is connected to the controlled terminal of the lighting drive module through the second isolation module.
[0009] According to some embodiments of the present invention, the lighting component includes a lighting group and an RGB ambient light group, the lighting driving module includes a lighting driving unit and an ambient driving unit, the lighting group and the lighting driving unit are connected to form at least a portion of the lighting power supply branch, the RGB ambient light group and the ambient driving unit are connected to form at least a portion of the ambient power supply branch, and the control module is connected to the controlled terminal of the lighting driving unit and the controlled terminal of the ambient driving unit respectively.
[0010] According to some embodiments of the present invention, the lighting assembly includes at least warm white light strings and cool white light strings.
[0011] According to some embodiments of the present invention, the RGB ambient light group includes at least a green light string, a red light string, and a blue light string.
[0012] According to some embodiments of the present invention, the control component includes one or more of a zipper switch component, a toggle switch component, a gesture recognition component, and a voice recognition component.
[0013] According to some embodiments of this utility model, the drive circuit for low-voltage dual control of the fan and lighting further includes a wireless transmission module, which is used to receive wireless control commands and is connected to the control module.
[0014] According to some embodiments of the present invention, the transformer module includes multiple transformer modules, the input terminal of each transformer module is connected to the output terminal of the power modulation module, the output terminal of at least one transformer module is connected to the fan drive branch, and the output terminal of at least one transformer module is connected to the lighting drive branch.
[0015] The ceiling fan light according to the second aspect of the present invention includes a low-voltage dual-control drive circuit for both the fan and lighting disclosed in any of the above embodiments, wherein the lighting component is disposed on the fan motor assembly.
[0016] The ceiling fan light according to the embodiments of this utility model has at least the following beneficial effects:
[0017] This utility model of ceiling fan light uses the low-voltage dual-control drive circuit for both fan and lighting disclosed in any of the above embodiments. It has a simple and compact structure and is safe and reliable to use.
[0018] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0019] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:
[0020] Figure 1 This is a schematic block diagram of one embodiment of the driving circuit of this utility model;
[0021] Figure 2 This is a circuit diagram of the control module of one embodiment of the drive circuit of this utility model;
[0022] Figure 3 This is a circuit diagram of a transformer module according to one embodiment of the drive circuit of this utility model;
[0023] Figure 4 This is a circuit diagram of a wireless transmission module according to one embodiment of the driving circuit of this utility model.
[0024] Figure 5 This is a circuit diagram of a lighting driving module according to one embodiment of the driving circuit of this utility model;
[0025] Figure 6 This is a circuit diagram of a fan drive module according to one embodiment of the drive circuit of the utility model.
[0026] Figure label:
[0027] Power modulation module 100; transformer module 200; transformer module 210; second switching power supply unit 211; transformer coil 212; current detection unit 213; voltage detection unit 214; third rectifier unit 215; fan motor assembly 300; fan drive module 400; fan drive unit 410; first isolation module 420; lighting assembly 500; lighting drive module 600; lighting drive unit 610; second isolation module 620; control assembly 700; control module 800; wireless transmission module 900. Detailed Implementation
[0028] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.
[0029] In the description of this utility model, it should be understood that the directional descriptions, such as the terms "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0030] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.
[0031] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0032] like Figures 1 to 6As shown, a low-voltage dual-control drive circuit for a fan and lighting according to a first aspect embodiment of the present invention includes a power modulation module 100, a transformer module 200, a fan motor assembly 300, a fan drive module 400, a lighting assembly 500, a lighting drive module 600, a control module 800, and a control component 700. The input terminal of the power modulation module 100 is connected to an AC power source to rectify the AC power and output a power supply. The input terminal of the transformer module 200 is connected to the output terminal of the power modulation module 100. The transformer module 200 modulates the voltage of the power supply to less than 36V and outputs it. The fan motor assembly 300 and the fan drive module 400 are connected to form a control circuit for a fan and lighting assembly. A small portion of the fan drive branch is connected to the output terminal of the transformer module 200 to power the fan motor assembly 300. The lighting assembly 500 and the lighting drive module 600 are connected to form at least a portion of the lighting drive branch. The output terminal of the transformer module 200 is connected to the lighting drive branch to power the lighting assembly 500. The control component 700 is used to acquire or be driven to form control commands. The control module 800 is connected to the control component 700, the controlled terminal of the fan drive module 400, and the controlled terminal of the lighting drive module 600 respectively to control the operation of at least one of the fan motor assembly 300 and the lighting assembly 500 according to the control commands.
[0033] The power modulation module 100 may include a first rectifier unit, a first switching power supply unit, a transformer unit, and a second rectifier unit. The input terminal of the first rectifier unit is connected to an external AC power supply for rectification. The output terminal of the first rectifier unit is connected to the primary coil of the transformer unit. The first switching power supply is connected to both the primary and secondary coils to detect the input voltage from the primary coil and the output voltage from the secondary coil. The first switching power supply generates a control signal based on the input and output voltages and modulates the output voltage of the secondary coil by changing the input voltage through a semiconductor switching transistor. The second rectifier unit then rectifies the output voltage of the secondary coil to form a power supply.
[0034] In some embodiments of this utility model, the transformer module 200 includes a plurality of transformer modules 210, the input terminal of each transformer module 210 is connected to the output terminal of the power modulation module 100, the output terminal of at least one transformer module 210 is connected to the fan drive branch, and the output terminal of at least one transformer module 210 is connected to the lighting drive branch.
[0035] Multiple transformer modules 210 are used to individually modulate the 36V power supply voltage for each fan drive branch and lighting drive branch, maintaining a stable and reliable power supply that is not easily affected by interference from other drive branches.
[0036] Specifically, such as Figure 3 As shown, the transformer module 210 may include a second switching power supply unit 211, a transformer coil 212, a current detection unit 213, a voltage detection unit 214, a semiconductor switching transistor Q5, a third rectifier unit 215, etc. The second switching power supply unit 211 can be selected from conventional switching power supply chips and their auxiliary circuits. The transformer coil 212 includes an inductor L7. The first end of the transformer coil 212 is connected to the output terminal of the second rectifier unit. The input terminal of the switching transistor Q5 is connected to the tail end of the transformer coil 212 and the input terminal of the third rectifier unit 215. The voltage detection unit 214 may include a resistor. The output terminal of the switching transistor Q5 is grounded through resistor R60. Resistor R60 forms a voltage sampling signal of the terminal voltage and outputs it to the second switching power supply unit 211. The output terminal of the third rectifier unit 215 is connected to the drive branch. The current detection unit 213 includes a sampling resistor R58 and a resistor R61. The sampling resistor R58 is connected to the drive branch. Resistor R61 and sampling resistor R58 form a terminal voltage signal characterizing the operating current and output it to the second switching power supply unit 211. The second switching power supply unit 211 controls the switching transistor Q5 to turn on and off according to the voltage sampling signal and the current sampling signal.
[0037] The control module 800 may include an MCU or a CPU and its associated circuitry. In some embodiments of this invention, the control component 700 includes one or more of a zipper switch component, a toggle switch component, a gesture recognition component, and a voice recognition component.
[0038] The control module 800 is connected to the controlled end of different drive branches through various ports to control the operation of each drive branch.
[0039] This utility model features a low-voltage dual-control drive circuit for both fans and lighting. After the power modulation module 100 rectifies and outputs the AC power supply, the transformer module 200 further processes the power supply to control the voltage within a safe range of 36V. A control module 800 controls the operation of both the lighting component 500 and the fan motor component 300. The user inputs control commands through the control component 700, and the control module 800 then controls the operation of either the lighting component 500 or the fan motor component 300 according to the commands. The structure is simple and compact, with low installation costs. Even in the event of a fault, both the control module 800 and the control component 700 are powered by a safe voltage, ensuring safe and reliable operation.
[0040] In some embodiments of this utility model, such as Figure 1 As shown, the drive circuit for low-voltage dual control of the fan and lighting also includes a first isolation module 420, and the control module 800 is connected to the controlled terminal of the fan drive module 400 through the first isolation module 420.
[0041] The first isolation module 420 may include an optocoupler, which can isolate the signal transmitted from the fan drive branch to the control module 800, prevent interference signals from entering the control module 800, and ensure the stable operation of the control module 800.
[0042] In some embodiments of this utility model, such as Figure 6 As shown, the fan drive module 400 may include multiple fan drive units 410. Each fan drive unit 410 may use an integrated drive chip and has a semiconductor switching transistor inside. Each fan drive unit 410 may be connected to the stator winding of the fan motor assembly 300 through the switching transistor. The control module 800 outputs control signals to each fan drive unit 410 to regulate the current supply to the stator winding in an orderly manner to drive the fan to run.
[0043] In some embodiments of this utility model, such as Figure 1 , 5 As shown, the drive circuit for low-voltage dual control of the fan and lighting also includes a second isolation module 620, and the control module 800 is connected to the controlled terminal of the lighting drive module 600 through the second isolation module 620.
[0044] The second isolation module 620 may include an optocoupler, which can isolate the signal transmitted from the lighting drive branch to the control module 800, prevent interference signals from entering the control module 800, and ensure the stable operation of the control module 800.
[0045] In some embodiments of this utility model, the lighting component 500 includes a lighting group and an RGB ambient light group, the lighting driving module 600 includes a lighting driving unit 610 and an ambient driving unit, the lighting group and the lighting driving unit 610 are connected to form at least a partial lighting power supply branch, the RGB ambient light group and the ambient driving unit are connected to form at least a partial ambient power supply branch, and the control module 800 is connected to the controlled terminal of the lighting driving unit 610 and the controlled terminal of the ambient driving unit respectively.
[0046] like Figure 5 As shown, both the lighting drive unit 610 and the ambient drive unit can adopt... Figure 5 The circuit architecture, taking the lighting drive unit 610 as an example, can use an integrated drive chip with a semiconductor switching transistor inside. The control module 800 outputs the corresponding PWM signal to the lighting drive unit 610, which drives the lighting group to run.
[0047] In some embodiments of this utility model, the lighting component 500 may be a lighting group or a combination of multiple lighting groups.
[0048] In some embodiments of this utility model, the lighting assembly includes at least a warm white light string and a cool white light string. Different switching transistors in the lighting drive unit 610 are respectively connected to the warm white light string and the cool white light string. The color temperature of the white lighting light is adjusted by adjusting the on / off frequency ratio of the warm white light string and the cool white light string.
[0049] In some embodiments of this utility model, the RGB ambient light group includes at least a green light string, a red light string, and a blue light string. Similarly, different switching transistors in the ambient driving unit are respectively connected to the green light string, the red light string, and the blue light string. By adjusting the on / off frequency ratio of the green light string, the red light string, and the blue light string, the mixing ratio of green, red, and blue light can be adjusted, thereby adjusting the color temperature of the mixed light.
[0050] In some embodiments of this utility model, such as Figure 1 , 4 As shown, the drive circuit for low-voltage dual control of the fan and lighting also includes a wireless transmission module 900, which is used to receive wireless control commands and is connected to the control module 800.
[0051] According to a second aspect of the present invention, the ceiling fan light includes a low-voltage dual-control drive circuit for both fan and lighting disclosed in any of the above embodiments, wherein the lighting component 500 is disposed on the fan motor component 300.
[0052] This utility model of ceiling fan light uses the low-voltage dual-control drive circuit for both fan and lighting disclosed in any of the above embodiments. It has a simple and compact structure and is safe and reliable to use.
[0053] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0054] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.
Claims
1. A low-voltage dual-control drive circuit for both fans and lighting, characterized in that, include: A power modulation module, wherein the input terminal of the power modulation module is connected to an AC power source to rectify the AC power source and output a power supply. A transformer module, the input terminal of which is connected to the output terminal of the power modulation module, the transformer module being used to modulate the voltage of the power supply to less than 36V and output it; A fan motor assembly and a fan drive module are connected to form at least a partial fan drive branch, and the output terminal of the transformer module is connected to the fan drive branch to supply power to the fan motor assembly. A lighting component and a lighting drive module are connected to form at least a portion of a lighting drive branch, and the output terminal of the transformer module is connected to the lighting drive branch to supply power to the lighting component. A control module and a control component are provided. The control component is used to acquire or be driven to form control commands. The control module is connected to the control component, the controlled terminal of the fan drive module, and the controlled terminal of the lighting drive module, respectively, to control the operation of at least one of the fan motor assembly and the lighting assembly according to the control commands.
2. The drive circuit for low-voltage dual control of a fan and lighting according to claim 1, characterized in that, It also includes a first isolation module, through which the control module is connected to the controlled end of the fan drive module.
3. The drive circuit for low-voltage dual control of a fan and lighting according to claim 1, characterized in that: It also includes a second isolation module, through which the control module is connected to the controlled end of the lighting drive module.
4. The drive circuit for low-voltage dual control of a fan and lighting according to claim 1, characterized in that: The lighting components include lighting groups and RGB ambient light groups. The lighting driving module includes a lighting driving unit and an ambient driving unit. The lighting groups and the lighting driving unit are connected to form at least a portion of the lighting power supply branch. The RGB ambient light groups and the ambient driving unit are connected to form at least a portion of the ambient power supply branch. The control module is connected to the controlled terminal of the lighting driving unit and the controlled terminal of the ambient driving unit, respectively.
5. The drive circuit for low-voltage dual control of a fan and lighting according to claim 4, characterized in that: The lighting assembly includes at least warm white light strings and cool white light strings.
6. The drive circuit for low-voltage dual control of a fan and lighting according to claim 4, characterized in that: The RGB ambient light group includes at least green light strings, red light strings, and blue light strings.
7. The drive circuit for low-voltage dual control of a fan and lighting according to claim 1, characterized in that: The control components include one or more of the following: zipper switch components, toggle switch components, gesture recognition components, and voice recognition components.
8. The drive circuit for low-voltage dual control of a fan and lighting according to claim 1, characterized in that, It also includes a wireless transmission module, which is used to receive wireless control commands and is connected to the control module.
9. The drive circuit for low-voltage dual control of a fan and lighting according to claim 1, characterized in that, The transformer module includes multiple transformer modules, the input terminal of each transformer module is connected to the output terminal of the power modulation module, the output terminal of at least one transformer module is connected to the fan drive branch, and the output terminal of at least one transformer module is connected to the lighting drive branch.
10. A ceiling fan light, characterized in that, The drive circuit includes a low-voltage dual-control system for both the fan and lighting as described in any one of claims 1 to 9, wherein the lighting component is disposed on the fan motor assembly.