CN220191076U - LED module lamp control device of ceiling fan with upper lamp set and lower lamp set - Google Patents

Abstract

The utility model discloses an LED module lamp control device of a ceiling fan with upper and lower lamp groups, which is applied to the ceiling fan and comprises a first light emitting module, a second light emitting module, a first switch driving module, a second switch driving module, a power driving module and a control module.

Description

LED module lamp control device of ceiling fan with upper lamp set and lower lamp set

Technical Field

The utility model relates to the technical field of household appliances, in particular to an LED module lamp control device of a ceiling fan with an upper lamp group and a lower lamp group.

Background

In order to improve the decorative effect of the ceiling fan with the lamp, the upper surface and the lower surface of the existing fan lamp are generally provided with the luminous lamp groups, and in order to enable the operation to be flexible, the two luminous lamp groups are generally respectively provided with two pressing switches to form a power supply serial circuit, the two power supply serial circuits are respectively connected with a power supply, a user can control the two luminous lamp groups to be on or off by operating different pressing switches, however, when the brightness and the color of the two luminous lamp groups are required to be adjusted, the two luminous lamp groups are inconvenient to use, when the power supply is subjected to output shaking, the user cannot learn, and the luminous lamp groups are easy to damage.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the LED module lamp control device of the ceiling fan with the upper lamp group and the lower lamp group, which flexibly controls the lamp group to be on or off, improves the decorative effect of the ceiling fan and is convenient to use.

An LED module light control device for a ceiling fan with upper and lower light assemblies according to an embodiment of a first aspect of the present utility model is applied to a ceiling fan, and includes: the first light-emitting module is arranged on the upper surface of the ceiling fan; the second light-emitting module is arranged on the lower surface of the ceiling fan; the first switch driving module is connected with the first light emitting module; the second switch driving module is connected with the second light-emitting module; the input end of the power supply driving module is used for being connected with a power supply, and the output end of the power supply driving module is respectively connected with the first light-emitting module and the second light-emitting module to supply power for the first light-emitting module and the second light-emitting module; the control module is respectively connected with the controlled end of the first switch driving module and the controlled end of the second switch driving module, and controls the first switch driving module to operate so as to adjust the brightness or the color temperature of the first light emitting module, and controls the second switch driving module to operate so as to adjust the brightness or the color temperature of the second light emitting module.

The LED module lamp control device of the ceiling fan with the upper lamp group and the lower lamp group has the following beneficial effects:

the lamp control device provided by the utility model has the advantages that the lamp control device is provided with the first light-emitting module which can be arranged on the upper surface of the ceiling fan and the second light-emitting module which can be arranged on the lower surface of the ceiling fan, a user can control the first switch driving module to operate so as to adjust the brightness or the color temperature of the first light-emitting module or control the second switch driving module to operate so as to adjust the brightness or the color temperature of the second light-emitting module, the operation is more flexible, the first light-emitting module and the second light-emitting module are independently subjected to dimming and color-mixing control, the light-emitting states of the upper surface and the lower surface of the ceiling fan lamp can be adjusted according to the preference of the user, the decorative effect of the ceiling fan is improved, and the lamp control device is convenient to use.

According to some embodiments of the utility model, the first switch driving module includes a first switch module, the first switch module is connected in series with the first light emitting module to form at least a part of a first series trunk, the control module is connected with a controlled end of the first switch module, and the control module controls a trunk current of the first series trunk through the first switch module to adjust light emitting brightness of the first light emitting module.

According to some embodiments of the utility model, the first light emitting module includes a first LED lamp group and a second LED lamp group, the colors of the first LED lamp group and the second LED lamp group are different, the first switch driving module further includes a second switch module and a third switch module, the second switch module is connected with the first LED lamp group to form at least part of a first LED string, the third switch module is connected with the second LED lamp group to form at least part of a second LED string, the first LED string and the second LED string are connected in parallel and then connected with the first switch module in series, the control module is respectively connected with the controlled end of the second switch module and the controlled end of the third switch module, and the control module respectively controls the on-off frequency of the second switch module and the third switch module to adjust the mixed color temperature of the first LED lamp group and the second LED lamp group.

According to some embodiments of the utility model, the second switch driving module includes a fourth switch module, the fourth switch module is connected in series with the second light emitting module to form at least a part of a second serial trunk, the control module is connected with a controlled end of the fourth switch module, and the control module controls a trunk current of the second serial trunk through the fourth switch module to adjust light emitting brightness of the second light emitting module.

According to some embodiments of the utility model, the second light emitting module includes a third LED lamp set and a fourth LED lamp set, the colors of the third LED lamp set and the fourth LED lamp set are different, the second switch driving module further includes a fifth switch module and a sixth switch module, the fifth switch module is connected with the third LED lamp set to form at least part of a third LED string, the sixth switch module is connected with the fourth LED lamp set to form at least part of a fourth LED string, the third LED string and the fourth LED string are connected in parallel and then connected with the fourth switch module in series, the control module is respectively connected with a controlled end of the fifth switch module and a controlled end of the sixth switch module, and the control module respectively controls on-off frequencies of the fifth switch module and the sixth switch module to adjust a mixed color temperature of the third LED lamp set and the fourth LED lamp set.

According to some embodiments of the present utility model, the power driving module includes a rectifying unit, a constant current control unit, and a current limiting switch unit, where an input end of the rectifying unit is connected to a power supply, an output end of the rectifying unit is connected to a first serial trunk and a second serial trunk respectively to supply power to the first light emitting module and the second light emitting module, the constant current control unit is connected to an output end of the rectifying unit to sample power supply current information, the current limiting switch unit is connected to the first serial trunk and the second serial trunk respectively, the constant current control unit is connected to a controlled end of the current limiting switch unit, and the constant current control unit controls a switching frequency of the current limiting switch unit to adjust a magnitude of the power supply current.

According to some embodiments of the present utility model, the constant current control units include two constant current control units, respectively, a first constant current control unit and a second constant current control unit, the current limiting switch units include two current limiting switch units, respectively, a first current limiting switch unit and a second current limiting switch unit, the first constant current control unit and the second constant current control unit are both connected with the output end of the rectifying unit to sample the power supply current information, the first current limiting switch unit is connected with the first serial trunk, the first constant current control unit is connected with the controlled end of the first current limiting switch unit, the second current limiting switch unit is connected with the second serial trunk, and the second constant current control unit is connected with the controlled end of the second current limiting switch unit.

According to some embodiments of the present utility model, the power supply system further includes an overvoltage detection module, the overvoltage detection module is connected with the output end of the rectifying unit to obtain power supply voltage information, the overvoltage detection module is connected with the control module, and the overvoltage detection module can form an overvoltage signal to output to the control module when the power supply voltage is higher than a voltage threshold.

According to some embodiments of the utility model, the overvoltage detection module comprises a voltage division detection unit and a signal generation unit, wherein a sampling end of the voltage division detection unit is connected with an output end of the rectifying unit, an output end of the voltage division detection unit is connected with an input end of the signal generation unit, an output end of the voltage division detection unit is connected with the control module, and the signal generation unit forms a trigger signal to be output to the control module when the power supply voltage is higher than a voltage threshold value.

Additional aspects and advantages of the utility model 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 utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic diagram of a lamp control device according to an embodiment of the present utility model;

FIG. 2 is a schematic circuit diagram of a portion of a first embodiment of a lamp control device according to the present utility model;

FIG. 3 is a schematic circuit diagram of another part of the first embodiment of the lamp control device of the present utility model;

FIG. 4 is a schematic circuit diagram of a portion of a second embodiment of a lamp control device according to the present utility model;

fig. 5 is a schematic circuit diagram of another portion of a lamp control device according to a second embodiment of the present utility model.

Reference numerals:

a first light emitting module 100; a first LED light group 110; a second LED light group 120; a second light emitting module 200; a third LED light group 210; a fourth LED light group 220; a power driving module 300; a rectifying unit 310; a first constant current control unit 320; a second constant current control unit 330; a first current limiting switching unit 340; a second current limiting switching unit 350; a control module 400; a first switch driving module 410; a second switch driving module 420; a first switch module 510; a second switch module 520; a third switching module 530; a fourth switching module 540; a fifth switching module 550; a sixth switch module 560; an overpressure detection module 600; a partial pressure detection unit 610; the signal generation unit 620.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1-5, an LED module light control device of a ceiling fan with upper and lower light assemblies according to an embodiment of the present utility model is applied to a ceiling fan, and includes a first light emitting module 100, a second light emitting module 200, a first switch driving module 410, a second switch driving module 420, a power driving module 300, and a control module 400, wherein the first light emitting module 100 is disposed on an upper surface of the ceiling fan, the second light emitting module 200 is disposed on a lower surface of the ceiling fan, the first switch driving module 410 is connected with the first light emitting module 100, the second switch driving module 420 is connected with the second light emitting module 200, an input end of the power driving module 300 is connected with a power supply, an output end of the power driving module 300 is respectively connected with the first light emitting module 100 and the second light emitting module 200 to supply power to the first light emitting module 100 and the second light emitting module 200, the control module 400 is respectively connected with a controlled end of the first switch driving module 410 and a controlled end of the second switch driving module 420, and the control module 400 controls the first switch driving module 410 to operate to adjust the brightness or the color temperature of the first light emitting module 100, and the control module 400 controls the second switch driving module 420 to operate to adjust the brightness or the color temperature of the second light emitting module 200.

The control module 400 may be formed by a chip and an accessory circuit with PWM signal modulation output capability and processing function, the operation key may be connected to the control module 400, the user may control the operation key to form an input signal, and the control module 400 forms a control signal according to the input signal.

The lamp control device provided by the utility model is provided with the first light emitting module 100 which can be arranged on the upper surface of the ceiling fan and the second light emitting module 200 which can be arranged on the lower surface of the ceiling fan, a user can control the first switch driving module 410 to operate so as to adjust the brightness or the color temperature of the first light emitting module 100 or control the second switch driving module 420 to operate so as to adjust the brightness or the color temperature of the second light emitting module 200 by forming a control signal in the control module 400, the operation is more flexible, the first light emitting module 100 and the second light emitting module 200 are independently subjected to dimming and color mixing control, the light emitting states of the upper surface and the lower surface of the ceiling fan lamp can be adjusted according to the preference of the user, the decorative effect of the ceiling fan is improved, the use is convenient, and the first light emitting module 100 and the second light emitting module 200 can be arranged on the inner side and the outer side of the ceiling fan lamp according to the preference of the user.

In some embodiments of the present utility model, as shown in fig. 3 and 5, the first switch driving module 410 includes a first switch module 510, the first switch module 510 is connected in series with the first light emitting module 100 to form at least a part of a first serial main circuit, the control module 400 is connected to a controlled end of the first switch module 510, and the control module 400 controls a main circuit current of the first serial main circuit through the first switch module 510 to adjust the light emitting brightness of the first light emitting module 100.

The first switch module 510 may be formed by a triode, a MOS transistor, or an IGBT, and the control module 400 outputs a PWM signal to control the on/off of the first switch module 510, so as to adjust the current magnitude of the first serial trunk, and the difference of the current magnitudes may change the light emitting brightness of the first light emitting module 100.

In some embodiments of the present utility model, as shown in fig. 3 and 5, the first light emitting module 100 includes a first LED lamp set 110 and a second LED lamp set 120, the colors of the first LED lamp set 110 and the second LED lamp set 120 are different from each other, the first switch driving module 410 further includes a second switch module 520 and a third switch module 530, the second switch module 520 is connected with the first LED lamp set 110 to form at least part of a first LED string, the third switch module 530 is connected with the second LED lamp set 120 to form at least part of a second LED string, the first LED string and the second LED string are connected in parallel and then connected with the first switch module 510 in series, the control module 400 is connected with the controlled end of the second switch module 520 and the controlled end of the third switch module 530 respectively, and the control module 400 controls the on-off frequency of the second switch module 520 and the third switch module 530 respectively to adjust the mixed color temperature of the first LED lamp set 110 and the second LED lamp set 120.

The second switch module 520 and the third switch module 530 may be configured by transistors, MOS transistors, or IGBTs, and the control module 400 outputs different PWM signals to the second switch module 520 and the third switch module 530, respectively, where the switching frequencies of the second switch module 520 and the third switch module 530 are different, so that the on-off frequencies of the first LED lamp set 110 and the second LED lamp set 120 are different, and because the colors of the first LED lamp set 110 and the second LED lamp set 120 are different, the color of the mixed light is also changed, thereby implementing the color mixing function.

According to some embodiments of the present utility model, the second switch driving module 420 includes a fourth switch module 540, the fourth switch module 540 is connected in series with the second light emitting module 200 to form at least a part of a second serial trunk, the control module 400 is connected to a controlled end of the fourth switch module 540, and the control module 400 controls the trunk current of the second serial trunk through the fourth switch module 540 to adjust the light emitting brightness of the second light emitting module 200.

The fourth switch module 540 may be formed by a triode, a MOS transistor or an IGBT, and the control module 400 outputs a PWM signal to control the on/off of the fourth switch module 540, so as to adjust the current of the second serial trunk, and the difference of the current can change the light-emitting brightness of the second light-emitting module 200.

In some embodiments of the present utility model, as shown in fig. 3, the second light emitting module 200 may only include one color, the control module 400 can only adjust the brightness of the second light emitting module 200, while in some embodiments of the present utility model, as shown in fig. 5, the second light emitting module 200 includes a third LED lamp set 210 and a fourth LED lamp set 220, the colors of the third LED lamp set 210 and the fourth LED lamp set 220 are different from each other, the second switch driving module 420 further includes a fifth switch module 550 and a sixth switch module 560, the fifth switch module 550 is connected with the third LED lamp set 210 to form at least a part of a third LED string, the sixth switch module 560 is connected with the fourth LED lamp set 220 to form at least a part of a fourth LED string, the third LED string and the fourth LED string are connected in parallel and then in series with the fourth switch module 540, the control module 400 is connected with the controlled end of the fifth switch module 550 and the controlled end of the sixth switch module 560, and the control module 400 controls the fifth switch module 550 and the sixth switch module 560 to adjust the color temperature of the third LED lamp set 210 and the fourth LED lamp set.

The fifth switch module 550 and the sixth switch module 560 may be formed by transistors, MOS transistors or IGBTs, and the control module 400 outputs different PWM signals to the fifth switch module 550 and the sixth switch module 560, respectively, where the switching frequencies of the fifth switch module 550 and the sixth switch module 560 are different, so that the on-off frequencies of the third LED lamp set 210 and the fourth LED lamp set 220 are different, and because the colors of the third LED lamp set 210 and the fourth LED lamp set 220 are different, the light mixing color is also changed, thereby implementing the color mixing function.

In some embodiments of the present utility model, the power driving module 300 includes a rectifying unit 310, a constant current control unit, and a current limiting switch unit, wherein an input end of the rectifying unit 310 is connected to a power supply, an output end of the rectifying unit 310 is connected to the first serial trunk and the second serial trunk respectively to supply power to the first light emitting module 100 and the second light emitting module 200, the constant current control unit is connected to an output end of the rectifying unit 310 to sample power supply current information, the current limiting switch unit is connected to the first serial trunk and the second serial trunk respectively, the constant current control unit is connected to a controlled end of the current limiting switch unit, and the constant current control unit controls a switching frequency of the current limiting switch unit to adjust a magnitude of the power supply current.

The rectifying unit 310 may be selected from a conventional rectifying bridge component, the constant current control unit may be selected from an MCU, a CPU, or a chip having a processing function and a PWM signal modulation function, the current limiting switch unit is connected to the dimming driving branch, and the constant current control unit controls the on threshold of the current limiting switch unit to control the main current flowing into the dimming driving branch, so as to implement constant current output.

Specifically, the dimming driving branch circuit may adopt a triode, a MOS transistor, an IGBT or the like.

The chip adopted by the part of constant current control unit has a current sampling function, a sampling port of the constant current control unit is connected to an output end of the rectifying unit 310 to obtain power supply current information, in some embodiments of the present utility model, the power supply driving module 300 further includes a current detection unit, the current detection unit is connected to an output end of the rectifying unit 310 to detect the power supply current information, and the constant current control unit is connected to the current detection unit to sample the power supply current information.

The current detection unit can comprise a sampling resistor R3, one end of the sampling resistor R3 is connected with the dimming driving branch circuit to obtain the current of the driving branch circuit, and the constant current control unit is connected with the other end of the sampling resistor to judge the current information of the driving branch circuit, so that the current limiting switch unit is controlled to operate.

In some embodiments of the present utility model, as shown in fig. 2-5, there are two constant current control units, namely, a first constant current control unit 320 and a second constant current control unit 330, and two current limiting switch units, namely, a first current limiting switch unit 340 and a second current limiting switch unit 350, respectively, where the first constant current control unit 320 and the second constant current control unit 330 are both connected to the output end of the rectifying unit 310 to sample the power supply current information, the first current limiting switch unit 340 is connected to the first serial trunk, the first constant current control unit 320 is connected to the controlled end of the first current limiting switch unit, the second current limiting switch unit 350 is connected to the second serial trunk, and the second constant current control unit 330 is connected to the controlled end of the second current limiting switch unit.

The first constant current control unit 320 and the second constant current control unit 330 can respectively control the current of the first serial main circuit and the second serial main circuit, the first constant current control unit 320 and the second constant current control unit 330 can independently analyze and process the power supply current information, and respectively formulate PWM signals suitable for the first current limiting switch unit 340 and the second current limiting switch unit 350, so that the control is more accurate, and the control error is reduced.

In some embodiments of the present utility model, as shown in fig. 2 and 4, the apparatus further includes an overvoltage detection module 600, where the overvoltage detection module 600 is connected to the output terminal of the rectifying unit 310 to obtain the supply voltage information, and the overvoltage detection module 600 is connected to the control module 400, and the overvoltage detection module 600 can form an overvoltage signal to output to the control module 400 when the supply voltage is higher than a voltage threshold.

When the overvoltage detection module 600 detects that the power supply voltage is higher than the voltage threshold, the control module 400 timely controls the first switch module 510 and the fourth switch module 540 to be turned off, so as to prevent the first light emitting module 100 and the second light emitting module 200 from being damaged.

In some embodiments of the present utility model, the overvoltage detection module 600 includes a voltage division detection unit 610 and a signal generation unit 620, where a sampling end of the voltage division detection unit 610 is connected to an output end of the rectifying unit 310, an output end of the voltage division detection unit 610 is connected to an input end of the signal generation unit 620, an output end of the voltage division detection unit 610 is connected to the control module 400, and the signal generation unit 620 forms a trigger signal to output to the control module 400 when the supply voltage is higher than the voltage threshold.

The voltage division detecting unit 610 may include a resistor R13 and a resistor R14, where one end of the resistor R13 is connected to the output end of the rectifying unit 310, the other end of the resistor R13 is connected to one end of the resistor R14 and the input end of the signal generating unit 620, the other end of the resistor R14 is grounded, voltage division is performed by the resistor R13 and the resistor R14, a voltage signal is formed at the input end of the signal generating unit 620, and when the supply voltage is higher than the voltage threshold, the voltage at the input end of the signal generating unit 620 increases, so that the signal generating unit 620 may be triggered to form a trigger signal to output to the control module 400.

Specifically, the signal generating unit 620 may employ a switching tube Q8, where the switching tube Q8 may be a triode, a MOS tube, or the like, the controlled end of the switching tube Q8 is connected to the other end of the resistor R13 and one end of the resistor R14, the input end of the switching tube Q8 is connected to the control module 400, the output end of the switching tube Q8 is grounded, the voltage at the controlled end of the switching tube Q8 increases, and the switching tube Q8 is turned on to form a trigger signal.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (9)

1. An LED module lamp control device of a ceiling fan with an upper lamp group and a lower lamp group, which is applied to the ceiling fan, and is characterized by comprising:

the first light-emitting module is arranged on the upper surface of the ceiling fan;

the second light-emitting module is arranged on the lower surface of the ceiling fan;

the first switch driving module is connected with the first light emitting module;

the second switch driving module is connected with the second light-emitting module;

the input end of the power supply driving module is used for being connected with a power supply, and the output end of the power supply driving module is respectively connected with the first light-emitting module and the second light-emitting module to supply power for the first light-emitting module and the second light-emitting module;

the control module is respectively connected with the controlled end of the first switch driving module and the controlled end of the second switch driving module, and controls the first switch driving module to operate so as to adjust the brightness or the color temperature of the first light emitting module, and controls the second switch driving module to operate so as to adjust the brightness or the color temperature of the second light emitting module.

2. The LED module light control device for a ceiling fan with upper and lower light groupings as set forth in claim 1, wherein: the first switch driving module comprises a first switch module, the first switch module is connected with the first light-emitting module in series to form at least a part of first series trunk, the control module is connected with a controlled end of the first switch module, and the control module controls the trunk current of the first series trunk through the first switch module to adjust the light-emitting brightness of the first light-emitting module.

3. The LED module light control device for a ceiling fan with upper and lower light groupings as set forth in claim 2, wherein: the first light emitting module comprises a first LED lamp group and a second LED lamp group, the colors of the first LED lamp group and the colors of the second LED lamp group are different from each other, the first switch driving module further comprises a second switch module and a third switch module, the second switch module is connected with the first LED lamp group to form at least part of a first LED serial path, the third switch module is connected with the second LED lamp group to form at least part of a second LED serial path, the first LED serial path and the second LED serial path are connected in series with the first switch module after being connected in parallel, the control module is respectively connected with the controlled end of the second switch module and the controlled end of the third switch module, and the control module is respectively used for controlling the on-off frequency of the second switch module and the third switch module so as to adjust the mixed color temperature of the first LED lamp group and the second LED lamp group.

4. The LED module light control device for a ceiling fan with upper and lower light groupings as set forth in claim 2, wherein: the second switch driving module comprises a fourth switch module, the fourth switch module is connected with the second light-emitting module in series to form at least part of a second series trunk, the control module is connected with a controlled end of the fourth switch module, and the control module controls the trunk current of the second series trunk through the fourth switch module to adjust the light-emitting brightness of the second light-emitting module.

5. The LED module light control device for a ceiling fan with upper and lower light groupings as set forth in claim 4, wherein: the second light-emitting module comprises a third LED lamp group and a fourth LED lamp group, the colors of the third LED lamp group and the fourth LED lamp group are different from each other, the second switch driving module further comprises a fifth switch module and a sixth switch module, the fifth switch module is connected with the third LED lamp group to form at least part of a third LED serial path, the sixth switch module is connected with the fourth LED lamp group to form at least part of a fourth LED serial path, the third LED serial path and the fourth LED serial path are connected in parallel and then are connected with the fourth switch module in series, the control module is respectively connected with the controlled end of the fifth switch module and the controlled end of the sixth switch module, and the control module is respectively used for controlling the on-off frequency of the fifth switch module and the sixth switch module so as to adjust the mixed light color temperature of the third LED lamp group and the fourth LED lamp group.

6. The LED module light control device with ceiling fan of claim 4, wherein the power driving module comprises a rectifying unit, a constant current control unit and a current limiting switch unit, the input end of the rectifying unit is connected with a power supply, the output end of the rectifying unit is connected with a first serial trunk and a second serial trunk respectively to supply power to the first light emitting module and the second light emitting module, the constant current control unit is connected with the output end of the rectifying unit to sample power supply current information, the current limiting switch unit is connected with the first serial trunk and the second serial trunk respectively, the constant current control unit is connected with the controlled end of the current limiting switch unit, and the constant current control unit controls the switching frequency of the current limiting switch unit to adjust the power supply current.

7. The LED module light control device with ceiling fan of claim 6, wherein said constant current control units are two, respectively, a first constant current control unit and a second constant current control unit, said current limiting switch units are two, respectively, a first current limiting switch unit and a second current limiting switch unit, said first constant current control unit and said second constant current control unit are connected with said output end of said rectifying unit to sample said supply current information, said first current limiting switch unit is connected with said first serial trunk, said first constant current control unit is connected with said controlled end of said first current limiting switch unit, said second current limiting switch unit is connected with said second serial trunk, and said second constant current control unit is connected with said controlled end of said second current limiting switch unit.

8. The LED module light control device of claim 6, further comprising an overvoltage detection module connected to the output of the rectifying unit to obtain supply voltage information, wherein the overvoltage detection module is connected to the control module, and the overvoltage detection module is capable of forming an overvoltage signal when the supply voltage is higher than a voltage threshold value, and outputting the overvoltage signal to the control module.

9. The LED module light control device of claim 8, wherein the overvoltage detection module comprises a voltage division detection unit and a signal generation unit, wherein the sampling end of the voltage division detection unit is connected with the output end of the rectification unit, the output end of the voltage division detection unit is connected with the input end of the signal generation unit, the output end of the voltage division detection unit is connected with the control module, and the signal generation unit forms a trigger signal to be output to the control module when the power supply voltage is higher than the voltage threshold.