Fan lamp light source module and fan lamp

Abstract

The utility model relates to a fan lamp light source module, which comprises a power supply circuit, a light source circuit, a control circuit, a constant current control circuit, a color temperature adjusting circuit and a stroboflash removing circuit, and is characterized in that the power supply circuit is used for being connected with an external power supply and outputting working voltage, and the output end of the control circuit is connected with the constant current control circuit and the color temperature adjusting circuit; the stroboflash removing circuit comprises a first ripple elimination chip, a second ripple elimination chip and a first capacitor, an output end of the constant current control circuit is connected between a first port of the first ripple elimination chip and a first port of the second ripple elimination chip and is connected with a first end of the first capacitor, and an output end of the second ripple elimination chip is connected with a second end of the second capacitor. A first port of the second ripple elimination chip is grounded, and a second port of the first ripple elimination chip and a second port of the second ripple elimination chip are both connected with a second end of the first capacitor. The third port of the first ripple elimination chip and the third port of the second ripple elimination chip are connected with the color temperature adjusting circuit. According to the utility model, the brightness and color of the light source can be adjusted, the stroboflash phenomenon is avoided, and the use experience is improved.

Description

Technical Field

[0001] The utility model relates to the field of fan lamps, and in particular to a fan lamp light source module and a fan lamp. Background Art

[0002] Fan lights are a common household appliance, a combination of lighting fixtures and fans. They have both the lighting performance of lighting fixtures and the heat dissipation performance of fans, and are widely used in various occasions such as homes, offices, and entertainment venues. The existing light source modules of fan lights have a single function and cannot adjust the brightness and color of the light. In addition, they are prone to "stroboscopic" phenomena when in use, affecting the user experience. Utility Model Content

[0003] The purpose of the utility model is to provide a fan lamp light source module and a fan lamp, which can adjust the brightness and color of the light source, avoid stroboscopic phenomenon, and improve the user experience.

[0004] A fan lamp light source module comprises a power supply circuit, a light source circuit, a control circuit, a constant current control circuit, a color temperature adjustment circuit, and a flash elimination circuit, wherein the power supply circuit is used to connect an external power supply and output an operating voltage, the output end of the control circuit is connected to the constant current control circuit and the color temperature adjustment circuit, the flash elimination circuit comprises a first ripple elimination chip, a second ripple elimination chip, and a first capacitor, the output end of the constant current control circuit is connected between a first port of the first ripple elimination chip and a first port of a second ripple elimination chip, and is connected to the first capacitor, the first port of the second ripple elimination chip is grounded, the second port of the first ripple elimination chip and the second port of the second ripple elimination chip are both connected to the first capacitor, and the third port of the first ripple elimination chip and the third port of the second ripple elimination chip are both connected to the color temperature adjustment circuit.

[0005] In the above technical solution, the control circuit can control the brightness and color of the light source circuit respectively through the constant current control circuit and the color temperature adjustment circuit, thereby realizing flexible adjustment of the fan light to meet the use requirements of different scenes. The anti-strobe circuit includes a first ripple elimination chip, a second ripple elimination chip, and a first capacitor, which has a simple structure and can effectively avoid the occurrence of strobe phenomenon. All devices use discrete components, which have strong component replacement and high cost performance, and can reduce circuit costs.

[0006] Furthermore, the control circuit includes a wireless module and a main control chip, the main control chip includes a first signal input terminal, a first signal output terminal, and a second signal output terminal, the output terminal of the wireless module is connected to the first signal input terminal, the first signal output terminal is connected to the constant current control circuit, and the second signal output terminal is connected to the color temperature adjustment circuit.

[0007] In the above technical solution, the main control chip can receive the control signal from the wireless module through the first signal input terminal, and control the constant current control circuit and the color temperature adjustment circuit through the first signal output terminal and the second signal output terminal respectively, thereby adjusting the brightness and color of the light source circuit.

[0008] Furthermore, the constant current control circuit includes a constant current control chip, which includes a second signal input terminal and a first control terminal, the second signal input terminal is connected to the first signal output terminal, and the first control terminal is connected to the positive pole of the light source circuit and to the de-strobing circuit.

[0009] In the above technical solution, the second signal input terminal of the constant current control chip can receive the control signal of the main control chip, and adjust the current of the light source circuit according to the control signal, thereby controlling the brightness of the light source module. The anti-strobe circuit is connected to the first control terminal, which can keep the current and voltage of the light source circuit constant, thereby avoiding strobe.

[0010] Furthermore, the color temperature adjustment circuit includes a color temperature adjustment chip, and the color temperature adjustment chip includes a third signal input terminal, and the third signal input terminal is connected to the second signal output terminal.

[0011] In the above technical solution, the third signal input terminal of the color temperature adjustment chip can receive the control signal of the main control chip, and send out a color temperature adjustment signal according to the control signal, so as to control the color of the light source module.

[0012] Furthermore, the light source circuit includes a first lamp group and a second lamp group, and the color temperature adjustment chip includes a first receiving end and a second receiving end, and the first receiving end and the second receiving end are respectively connected to the negative electrodes of the first lamp group and the second lamp group.

[0013] In the above technical solution, the color temperature adjustment circuit can receive the voltage signals of the first lamp group and the second lamp group through the first receiving end and the second receiving end respectively, and output the color temperature control signal from the output end, thereby adjusting the light color of the first lamp group and the second lamp group.

[0014] Furthermore, the wireless module is a 433rf transmitting module.

[0015] Furthermore, the power supply circuit includes a rectifier module and a power chip, the input end of the rectifier module is connected to an external power supply, the output end is connected to the light source circuit and the input end of the power chip, and the output end of the power chip is connected to the control circuit and the color temperature adjustment circuit.

[0016] In the above technical solution, the external power supply passes through the rectifier module and is output to the light source circuit to power the light source circuit. At the same time, the power chip steps down the rectified voltage and outputs it to the control circuit and the color temperature adjustment circuit to provide the chip with working voltage.

[0017] A fan light comprises the above-mentioned fan light source module.

[0018] Compared with the prior art, the utility model has the following beneficial effects: the control circuit can control the brightness and color of the light source circuit respectively through the constant current control circuit and the color temperature adjustment circuit, thereby realizing flexible adjustment of the fan light to meet the use requirements of different scenes. The anti-strobe circuit includes a first ripple elimination chip, a second ripple elimination chip, and a first capacitor, which has a simple structure and can effectively avoid the occurrence of strobe phenomenon. All devices use discrete components, which have strong component replacement and high cost performance, and can reduce circuit costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural block diagram of a fan lamp light source module according to an embodiment of the utility model.

[0020] Figure 2 The schematic diagram of the control circuit of the embodiment of the utility model is shown in FIG.

[0021] Figure 3 The figure is a circuit diagram of a constant current control circuit according to an embodiment of the present utility model.

[0022] Figure 4 The schematic diagram of the circuit of the anti-flash circuit and the color temperature adjustment circuit of the embodiment of the utility model is shown in FIG.

[0023] Figure 5 The figure is a circuit diagram of a power supply circuit according to an embodiment of the present utility model.

[0024] Description of Figure Numbers:

[0025] Power supply circuit 1, light source circuit 2, control circuit 3, constant current control circuit 4, color temperature adjustment circuit 5, and flash elimination circuit 6. DETAILED DESCRIPTION

[0026] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively with reference to the accompanying drawings. The accompanying drawings show preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein.

[0027] Please refer to Figure 1In a preferred embodiment, the fan light source module of the utility model mainly includes a power supply circuit 1, a light source circuit 2, a control circuit 3, a constant current control circuit 4, a color temperature adjustment circuit 5, and a flash removal circuit 6. Among them, the power supply circuit is used to connect to an external power supply and output a working voltage, and the output end of the control circuit is connected to the constant current control circuit and the color temperature adjustment circuit.

[0028] Please refer to Figure 4 The anti-flash circuit 6 includes a first ripple elimination chip Q3, a second ripple elimination chip Q4, and a first capacitor C5. The output end of the constant current control circuit 4 is connected between the first port of the first ripple elimination chip Q3 and the first port of the second ripple elimination chip Q4, and is connected to the first capacitor C5. The first port of the second ripple elimination chip Q4 is grounded. The second port of the first ripple elimination chip Q3 and the second port of the second ripple elimination chip Q4 are both connected to the first capacitor C5. The third port of the first ripple elimination chip Q3 and the third port of the second ripple elimination chip Q4 are both connected to the color temperature adjustment circuit 5.

[0029] When working, the first ripple elimination chip Q3, the second ripple elimination chip Q4, and the first capacitor C5 cooperate to adjust the current size of the second port by detecting the voltage of the third port, and then adjust the working state of the built-in power MOSFET of the chip, and convert the current ripple of the LED light string in the light source circuit 2 into voltage ripple, thereby ensuring the constant voltage at both ends of the LED light string, thereby ensuring the constant current of the LED light string, eliminating the current ripple, and making the current ripple on the LED lamp not affected by the stroboscopic phenomenon caused by changes in the line network voltage and the lamp bead voltage. It should be noted that in the specific implementation, the first ripple elimination chip Q3 and the second ripple elimination chip Q4 can adopt existing ripple elimination chips, such as SM901KG.

[0030] The control circuit 3 can control the brightness and color of the light source circuit 2 through the constant current control circuit and the color temperature adjustment circuit, so as to realize the flexible adjustment of the fan light and meet the use requirements of different scenes. The anti-stroboscopic circuit 6 can effectively avoid the occurrence of stroboscopic phenomenon, and all devices use discrete components, which have strong component replacement and high cost performance, effectively reducing the circuit cost.

[0031] Please refer to Figure 2 The control circuit 3 includes a wireless module MK1 and a main control chip U4. The main control chip U4 can adopt an existing PWM drive chip, including a first signal input terminal, a first signal output terminal, and a second signal output terminal. In this embodiment, the first signal input terminal is the sixth pin of the main control chip U4, the first signal output terminal is the fourth pin of the main control chip U4, and the second signal output terminal is the fifth pin of the main control chip U4. The output terminal of the wireless module is connected to the first signal input terminal, the first signal output terminal is connected to the constant current control circuit, and the second signal output terminal is connected to the color temperature adjustment circuit.

[0032] Exemplarily, the wireless module is a 433rf transmitting module, which can receive remote control signals and send PWM signals to the first signal input terminal of the main control chip U4 through the output terminal, thereby realizing remote control of the fan light for easy use.

[0033] The main control chip U4 can receive the control signal from the wireless module through the first signal input terminal, and control the constant current control circuit 4 and the color temperature adjustment circuit 5 through the first signal output terminal and the second signal output terminal respectively, thereby adjusting the brightness and color of the light source circuit 2.

[0034] Please refer to Figure 3 The constant current control circuit 4 includes a constant current control chip U3, and the constant current control chip U3 includes a second signal input terminal and a first control terminal. In this embodiment, the second signal input terminal is the fourth pin of the constant current control chip U3, and the first control terminal is the eighth pin of the constant current control chip U3. The second signal input terminal is connected to the first signal output terminal, and the first control terminal is connected to the positive pole of the light source circuit 2 and to the de-flash circuit.

[0035] The second signal input terminal of the constant current control chip U3 can receive the control signal of the main control chip, and adjust the current of the light source circuit according to the control signal, thereby controlling the brightness of the light source module. The anti-strobe circuit is connected to the first control terminal, which can prevent the current ripple on the LED lamp from the strobe phenomenon caused by the change of the lamp bead voltage.

[0036] Please refer to Figure 4 The color temperature adjustment circuit 5 includes a color temperature adjustment chip U5, and the color temperature adjustment chip U5 includes a third signal input terminal, and the third signal input terminal is connected to the second signal output terminal. In this embodiment, the third signal input terminal is the sixth pin of the color temperature adjustment chip U5. The light source circuit includes a first lamp group and a second lamp group, and the color temperature adjustment chip U5 includes a first receiving terminal and a second receiving terminal. Specifically, the first receiving terminal and the second receiving terminal are respectively the fourth pin and the fifth pin of the color temperature adjustment chip U5, and the first receiving terminal and the second receiving terminal are respectively connected to the negative poles of the first lamp group and the second lamp group.

[0037] The color temperature adjustment chip U5 can receive the voltage signals of the first lamp group and the second lamp group through the first receiving end and the second receiving end respectively, and output the color temperature control signal from the output end, so as to adjust the light color of the first lamp group and the second lamp group.

[0038] Please refer to Figure 5The power supply circuit 1 includes a rectifier module and a power chip IC1. In this embodiment, the rectifier module is a rectifier bridge. The input end of the rectifier module is connected to the external power supply, and the output end is connected to the light source circuit 2 and the input end of the power chip IC1. The output end of the power chip IC1 is connected to the control circuit and the color temperature adjustment circuit. After passing through the rectifier module, the external power supply is output to the light source circuit to power the light of the light source circuit. At the same time, the power chip outputs the rectified voltage to the control circuit and the color temperature adjustment circuit after stepping down to provide the chip with working voltage.

[0039] In the description of the present invention, it should be understood that terms such as "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0040] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fan light source module, It is characterized in that The invention comprises a power supply circuit, a light source circuit, a control circuit, a constant current control circuit, a color temperature adjustment circuit, and a flash elimination circuit. The power supply circuit is used to connect an external power supply and output a working voltage. The output end of the control circuit is connected to the constant current control circuit and the color temperature adjustment circuit. The flash elimination circuit comprises a first ripple elimination chip, a second ripple elimination chip, and a first capacitor. The output end of the constant current control circuit is connected between a first port of the first ripple elimination chip and a first port of the second ripple elimination chip, and is connected to the first capacitor. The first port of the second ripple elimination chip is grounded. The second port of the first ripple elimination chip and the second port of the second ripple elimination chip are both connected to the first capacitor. The third port of the first ripple elimination chip and the third port of the second ripple elimination chip are both connected to the color temperature adjustment circuit.

2. The fan lamp light source module according to claim 1, It is characterized in that The control circuit includes a wireless module and a main control chip, the main control chip includes a first signal input terminal, a first signal output terminal, and a second signal output terminal, the output terminal of the wireless module is connected to the first signal input terminal, the first signal output terminal is connected to the constant current control circuit, and the second signal output terminal is connected to the color temperature adjustment circuit.

3. The fan lamp light source module according to claim 2, It is characterized in that The constant current control circuit includes a constant current control chip, which includes a second signal input terminal and a first control terminal, wherein the second signal input terminal is connected to the first signal output terminal, and the first control terminal is connected to the positive pole of the light source circuit and to the anti-flash circuit.

4. The fan lamp light source module according to claim 2, It is characterized in that The color temperature adjustment circuit includes a color temperature adjustment chip, and the color temperature adjustment chip includes a third signal input terminal, and the third signal input terminal is connected to the second signal output terminal.

5. The fan lamp light source module according to claim 4, It is characterized in that The light source circuit includes a first lamp group and a second lamp group, and the color temperature adjustment chip includes a first receiving end and a second receiving end, and the first receiving end and the second receiving end are respectively connected to the negative electrodes of the first lamp group and the second lamp group.

6. The fan lamp light source module according to claim 2, It is characterized in that The wireless module is a 433rf transmitting module.

7. The fan lamp light source module according to claim 1, It is characterized in that The power supply circuit includes a rectifier module and a power chip. The input end of the rectifier module is connected to an external power supply, and the output end is connected to the light source circuit and the input end of the power chip. The output end of the power chip is connected to the control circuit and the color temperature adjustment circuit.

8. A fan light, It is characterized in that It comprises the fan lamp light source module as claimed in any one of claims 1 to 7.

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