Dimming and toning circuit switched by dial switch and lighting device

Abstract

The utility model discloses a dimming and color adjusting circuit switched by a dial switch and a lighting device, and relates to the field of LED lighting. The specific implementation scheme is as follows: a current output module, a color modulation module, a control module, a dimming module, an integrated circuit module, a light source group capable of realizing color modulation and a dial switch, the output end of the current output module is electrically connected with the control module, the dimming module is electrically connected with the control module, the control module is electrically connected with the dial switch and the light source set, the light source set is further electrically connected with the dial switch, and the dial switch is further electrically connected with the color modulation module. According to the utility model, the dial switch, the dimming module and the color modulation module are utilized to realize dimming and dial color modulation of the light source at the same time, and the dimming module adjusts the current of the control module to control the on / off of the first power supply and the second power supply; according to the shift operation of the dial switch, the color temperature can be adjusted in the brightness adjusting process through the size of the driving current output by the dimming module and the shift of the dial switch.

Description

Technical Field

[0001] This utility model relates to the field of LED lighting technology, and in particular to a dimming and color-adjusting circuit and lighting device with DIP switch switching. Background Technology

[0002] In the field of LED lighting, lighting fixtures primarily alter the lighting effect by adjusting their brightness and color temperature. Currently, silicon controlled rectifier (SCR) dimmers are commonly used to regulate brightness. A SCR dimmer utilizes a silicon controlled rectifier (SCR) switch to control the power supply voltage waveform, thereby adjusting the light brightness. This method offers the advantage of achieving smooth brightness transitions and is suitable for various light sources, including traditional incandescent lamps, halogen lamps, and modern LED lights.

[0003] However, SCR dimmers cannot adjust the color temperature of lighting fixtures. This is because SCR dimmers can only change the amplitude of the power supply voltage, not its frequency or phase. This means that SCR dimmers can only control the brightness of the light, not its color. Utility Model Content

[0004] Based on this, in order to solve the problem that existing lighting lamps cannot adjust color temperature, this utility model provides a dimming and color-adjusting circuit and lighting device with DIP switch switching.

[0005] The first aspect of this utility model provides a dimming and color-tuning circuit for switching via a DIP switch, comprising:

[0006] The system includes a current output module, a color adjustment module, a control module, a dimming module for controlling the current of the control module, an integrated circuit module, a light source group for color adjustment, and a DIP switch for controlling the color temperature.

[0007] The output terminal of the current output module is electrically connected to the control module, the dimming module is electrically connected to the control module, the control module is also electrically connected to the integrated circuit module and the light source group, the integrated circuit module is electrically connected to the DIP switch, the light source group is also electrically connected to the DIP switch, and the DIP switch is also electrically connected to the color adjustment module.

[0008] The control module includes a control chip U1 and a diode D1. Pins 1, 2, 7, and 9 of the control chip U1 are grounded. Pin 3 of the control chip U1 is electrically connected to the positive terminal of the diode D1 through a resistor R5. Pin 4 of the control chip U1 is electrically connected to the integrated circuit module. Pin 5 of the control chip U1 is electrically connected to the negative terminal of the diode D1 through a resistor R7. A resistor R3 is connected between pins 6 and 7 of the control chip U1, and resistor R3 is connected in parallel with resistor R4.

[0009] The integrated circuit module includes an integrated circuit chip U3, a capacitor C2, a resistor R8, a resistor R6, and a polarized capacitor CE. The resistor R6 and the polarized capacitor CE are connected in parallel. The positive terminal of the polarized capacitor CE is connected to the diode D1, and the negative terminal of the polarized capacitor CE is connected to pin 4 of the control chip U1. One end of the resistor R8 is electrically connected to pin 4 of the control chip U1, and the other end of the resistor R8 is connected to the common terminal of the DIP switch. The capacitor C2 is connected between the high voltage port HV of the integrated circuit chip U3 and the ground terminal GND. One end of the resistor R8 is also connected to the ground terminal GND of the integrated circuit chip U3. The current output terminal DRAIN of the integrated circuit chip U3 is connected to the other end of the resistor R8.

[0010] The dimming module includes a dimming chip U2, resistors R12, R13, R10, and R11, MOSFETs Q2 and Q3, capacitor C4, and polarized capacitor CE2. Resistors R12 and R13 are connected in series, and resistors R10 and R11 are connected in series. One end of resistor R12 is electrically connected to the current output module, and one end of resistor R13 is electrically connected to pin 2 of the dimming chip U2. Pin 1 of the dimming chip U2 is electrically connected to the positive terminal of diode D1 through resistors R11 and R10. Pin 1 of the dimming chip U2 is also connected through… The polarized capacitor CE2 is grounded. Pin 3 of the dimming chip U2 is grounded through capacitor C4. Pin 4 of the dimming chip U2 is grounded. Pin 5 of the dimming chip U2 is electrically connected to the gate of the MOSFET Q2. The drain of the MOSFET Q2 is electrically connected to pin 6 of the control chip U1 through resistor R14. The source of the MOSFET Q2 is grounded. Pin 6 of the dimming chip U2 is electrically connected to the gate of the MOSFET Q3. The drain of the MOSFET Q3 is electrically connected to pin 6 of the control chip U1 through resistor R15. The source of the MOSFET Q3 is grounded.

[0011] The light source group includes a first light source W, a second light source C, and high and low color temperature filament positive terminals LED+. The high and low color temperature filament positive terminals LED+ are electrically connected to the negative terminal of the diode D1. The first light source W and the second light source C are both electrically connected to the DIP switch.

[0012] The DIP switch has a first position pin, a second position pin, a third position pin, a fourth position pin, and a fifth position pin; the first position pin is electrically connected to the first light source W, and the fifth position pin is electrically connected to the second light source C; the first position pin, the second position pin, the third position pin, the fourth position pin, and the fifth position pin are all electrically connected to the color adjustment module.

[0013] The color adjustment module includes diodes D2, D3, D4, D5, D6, and D7, resistors R21, R20, R25, R22, R23, and R24. The anodes of diodes D2, D3, and D4 are electrically connected to the first gear position pin, and the anodes of diodes D5, D6, and D7 are electrically connected to the fifth gear position pin. The cathode of diode D4 is electrically connected to the second gear position pin via resistor R25, and the cathode of diode D7 is electrically connected to the second gear position pin via resistor R24. The cathode of diode D3 is electrically connected to the third gear position pin via resistor R20, the cathode of diode D6 is electrically connected to the third gear position pin via resistor R23, the cathode of diode D2 is electrically connected to the fourth gear position pin via resistor R21, and the cathode of diode D5 is electrically connected to the fourth gear position pin via resistor R22.

[0014] The current output module includes a varistor VR, a capacitor C1, and a rectifier bridge BD. The varistor VR is connected in parallel with the capacitor C1. One end of the varistor VR is connected to pin 2 of the rectifier bridge BD, and the other end of the varistor VR is connected to pin 1 of the rectifier bridge BD. The other end of the varistor VR is also connected to the first series resistor group and a fuse resistor FR. Pin 3 of the rectifier bridge BD is connected to the positive terminal of the diode D1.

[0015] In a second aspect, this utility model provides a lighting device, including a dimming and color-adjusting circuit switched by a DIP switch as described above.

[0016] Beneficial effects: This utility model utilizes a DIP switch, a dimming module, and a color-tuning module to achieve simultaneous dimming and color-tuning of the light source. The dimming module adjusts the current of the control module to control the on / off state of the first and second power supplies. Based on the DIP switch settings, the dimming module controls the on / off state and current of the first and second light sources, as well as the mixing ratio of their on / off states and currents, thereby enabling color temperature adjustment while simultaneously adjusting brightness.

[0017] It should be understood that the description in this section is not intended to identify key or essential features of the embodiments of this utility model, nor is it intended to limit the scope of this utility model. Other features of this utility model will become readily apparent from the following description. Attached Figure Description

[0018] The accompanying drawings are provided for a better understanding of this solution and do not constitute a limitation on this utility model. Wherein:

[0019] Figure 1 This is based on the dimming and color-tuning circuit diagram provided by this utility model;

[0020] Figure 2 The circuit diagrams of the current output module, control module, and dimming module provided by this utility model are as follows;

[0021] Figure 3 The circuit diagrams of the integrated circuit module, light source group, and color adjustment module provided by this utility model are shown. Detailed Implementation

[0022] The following description, in conjunction with the accompanying drawings, illustrates exemplary embodiments of the present invention, including various details to aid understanding. These embodiments should be considered merely exemplary. Therefore, those skilled in the art will recognize that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the present invention. Similarly, for clarity and brevity, descriptions of well-known functions and structures are omitted in the following description.

[0023] like Figure 1-3 As shown, in the first aspect, this utility model provides a dimming and color-tuning circuit for switching via a DIP switch, comprising:

[0024] The system includes a current output module 100, a color adjustment module 600, a control module 200, a dimming module 300 for controlling the current of the control module 200, an integrated circuit module 400, a light source group 500 for color adjustment, and a DIP switch for controlling the color temperature.

[0025] The output terminal of the current output module 100 is electrically connected to the control module 200. The dimming module 300 is electrically connected to the control module 200. The control module 200 is also electrically connected to the integrated circuit module 400 and the light source group 500. The integrated circuit module 400 is electrically connected to the DIP switch. The light source group 500 is also electrically connected to the DIP switch. The DIP switch is also electrically connected to the color adjustment module 600.

[0026] The control module 200 includes a control chip U1 and a diode D1. Pins 1, 2, 7, and 9 of the control chip U1 are grounded. Pin 3 of the control chip U1 is electrically connected to the positive terminal of the diode D1 through a resistor R5. Pin 4 of the control chip U1 is electrically connected to the integrated circuit module. Pin 5 of the control chip U1 is electrically connected to the negative terminal of the diode D1 through a resistor R7. A resistor R3 is connected between pins 6 and 7 of the control chip U1, and the resistor R3 is connected in parallel with the resistor R4.

[0027] The control chip U1, model number SY59101, is a linear IC that outputs a current through the strobe IC after being powered on.

[0028] The integrated circuit module 400 includes an integrated circuit chip U3, a capacitor C2, a resistor R8, a resistor R6, and a polarized capacitor CE. The resistor R6 and the polarized capacitor CE are connected in parallel. The positive terminal of the polarized capacitor CE is connected to the diode D1, and the negative terminal of the polarized capacitor CE is connected to pin 4 of the control chip U1. One end of the resistor R8 is electrically connected to pin 4 of the control chip U1, and the other end of the resistor R8 is connected to the common terminal of the DIP switch. The capacitor C2 is connected between the high voltage port HV of the integrated circuit chip U3 and the ground terminal GND. One end of the resistor R8 is also connected to the ground terminal GND of the integrated circuit chip U3. The current output terminal DRAIN of the integrated circuit chip U3 is connected to the other end of the resistor R8.

[0029] Integrated circuit module 400 is used to regulate the current output by control module 200, output a stable ripple current, and thus control the stability of light; the integrated circuit chip U3 is model MT7641CR.

[0030] The dimming module 300 includes a dimming chip U2, resistors R12, R13, R10, and R11, MOSFETs Q2 and Q3, capacitor C4, and polarized capacitor CE2. Resistors R12 and R13 are connected in series, and resistors R10 and R11 are connected in series. One end of resistor R12 is electrically connected to the current output module, and one end of resistor R13 is electrically connected to pin 2 of the dimming chip U2. Pin 1 of the dimming chip U2 is electrically connected to the positive terminal of diode D1 through resistors R11 and R10. Pin 1 of the dimming chip U2 is also connected to... The dimming chip U2 is grounded through the polarized capacitor CE2. Pin 3 of the dimming chip U2 is grounded through capacitor C4. Pin 4 of the dimming chip U2 is grounded. Pin 5 of the dimming chip U2 is electrically connected to the gate of the MOSFET Q2. The drain of the MOSFET Q2 is electrically connected to pin 6 of the control chip U1 through resistor R14. The source of the MOSFET Q2 is grounded. Pin 6 of the dimming chip U2 is electrically connected to the gate of the MOSFET Q3. The drain of the MOSFET Q3 is electrically connected to pin 6 of the control chip U1 through resistor R15. The source of the MOSFET Q3 is grounded.

[0031] The dimming chip U2, model number S4723MB, is used to control the output current of the control chip U1 to achieve dimming.

[0032] The first series resistor group consists of resistors R12 and R13 connected in series, and the second series resistor group consists of resistors R10 and R11 connected in series.

[0033] This invention can dim using two methods: silicon controlled rectifier (SCR) dimming and three-level dimming.

[0034] Thyristor dimming adjusts the voltage output to the light source group 500 by changing the conduction angle, thereby achieving dimming.

[0035] When the dimming chip U2 controls MOSFET Q2 to be on and MOSFET Q3 to be off, level 1 dimming is achieved; when the dimming chip U2 controls MOSFET Q2 to be off and MOSFET Q3 to be on, level 2 dimming is achieved; when the dimming chip U2 controls MOSFET Q2 to be off and MOSFET Q3 to be off, level 3 dimming is achieved.

[0036] This invention can dim using a silicon controlled rectifier (SCR) while simultaneously adjusting the dimming to three levels.

[0037] The light source group 500 includes a first light source W, a second light source C, and high and low color temperature filament positive terminals LED+. The high and low color temperature filament positive terminals LED+ are electrically connected to the negative terminal of the diode D1. The first light source W and the second light source C are both electrically connected to the DIP switch.

[0038] The DIP switch has a first position pin, a second position pin, a third position pin, a fourth position pin, and a fifth position pin; the first position pin is electrically connected to the first light source W, and the fifth position pin is electrically connected to the second light source C; the first position pin, the second position pin, the third position pin, the fourth position pin, and the fifth position pin are all electrically connected to the color adjustment module 600.

[0039] The color adjustment module 600 includes diodes D2, D3, D4, D5, D6, and D7, resistors R21, R20, R25, R22, R23, and R24. The anodes of diodes D2, D3, and D4 are electrically connected to the first gear position pin, and the anodes of diodes D5, D6, and D7 are electrically connected to the fifth gear position pin. The cathode of diode D4 is electrically connected to the second gear position pin via resistor R25, and the cathode of diode D7 is electrically connected to the second gear position pin via resistor R24. The cathode of diode D3 is electrically connected to the third gear position pin via resistor R20, the cathode of diode D6 is electrically connected to the third gear position pin via resistor R23, the cathode of diode D2 is electrically connected to the fourth gear position pin via resistor R21, and the cathode of diode D5 is electrically connected to the fourth gear position pin via resistor R22. When the first position pin of the DIP switch is closed, the current flows from LED+ to the first light source W, through the first position pin of the DIP switch, and to the common terminal of the DIP switch. The color temperature of the first light source W itself is used to achieve the first color adjustment.

[0040] When the second position pin of the DIP switch is closed, the current splits into two paths. One path flows from LED+ to the first light source W, then through diode D4 and resistor R25, and finally through the second position pin of the DIP switch to the common terminal of the DIP switch. The other path flows from LED+ to the second light source C, then through diode D7 and resistor R24, and finally through the second position pin of the DIP switch to the common terminal of the DIP switch. The first light source W (low color temperature filament) and the second light source C (high color temperature filament) mix to compare color temperatures, achieving two levels of color adjustment.

[0041] When the third position pin of the DIP switch is closed, the current splits into two paths. One path flows from LED+ to the first light source W, then through diode D3 and resistor R20, and finally through the second position pin of the DIP switch to the common terminal of the DIP switch. The other path flows from LED+ to the second light source C, then through diode D6 and resistor R23, and finally through the third position pin of the DIP switch to the common terminal of the DIP switch. The first light source W (low color temperature filament) and the second light source C (high color temperature filament) mix to determine the color temperature, achieving three levels of color adjustment.

[0042] When the fourth position pin of the DIP switch is closed, the current splits into two paths. One path flows from LED+ to the first light source W, then through diode D2 and resistor R21, and finally through the second position pin of the DIP switch to the common terminal of the DIP switch. The other path flows from LED+ to the second light source C, then through diode D5 and resistor R22, and finally through the third position pin of the DIP switch to the common terminal of the DIP switch. The first light source W (low color temperature filament) and the second light source C (high color temperature filament) mix to determine the color temperature, achieving four levels of color adjustment.

[0043] When the fifth position pin of the DIP switch is closed, current flows from LED+ to the second light source C, then through the fifth position pin of the DIP switch to the common terminal of the DIP switch, using the color temperature of the second light source C itself to achieve 5 levels of color adjustment.

[0044] The current output module 100 includes a varistor VR, a capacitor C1, and a rectifier bridge BD. The varistor VR is connected in parallel with the capacitor C1. One end of the varistor VR is connected to pin 2 of the rectifier bridge BD, and the other end of the varistor VR is connected to pin 1 of the rectifier bridge BD. The other end of the varistor VR is also connected to a first series resistor group and a fuse resistor FR. Pin 3 of the rectifier bridge BD is connected to the positive terminal of the diode D1.

[0045] The voltage is divided and filtered by the varistor VR and capacitor C1, and then the current is converted from AC to DC by the rectifier bridge BD.

[0046] In a second aspect, this utility model provides a lighting device, including a dimming and color-adjusting circuit switched by a DIP switch as described above.

[0047] In the several embodiments provided by this utility model, it should be understood that the disclosed apparatus and method can be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative. For example, the division of modules or units is merely a logical functional division, and there may be other division methods in actual implementation. For example, multiple units or components may be combined or integrated into another device, or some features may be ignored or not executed.

[0048] The units may or may not be physically separate. The components shown as units can be one or more physical units, meaning they can be located in one place or distributed in multiple different locations. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0049] Furthermore, in the various embodiments of this utility model, the functional units can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit. The integrated unit can be implemented in hardware or as a software functional unit.

[0050] If the integrated unit is implemented as a software functional unit and sold or used as an independent product, it can be stored in a readable storage medium. Based on this understanding, the technical solution of this utility model embodiment, in essence, or the part that contributes to the prior art, or all or part of the technical solution, can be embodied in the form of a software product. This software product is stored in a storage medium and includes several instructions to cause a device (which may be a microcontroller, chip, etc.) or processor to execute all or part of the steps of the methods described in the various embodiments of this utility model. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.

[0051] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A dimming and color adjusting circuit switched by a dial switch, characterized in that, The utility model relates to a kind of color-changing LED lamp, including: Current output module, toning module, control module, dimming module for controlling the current size of the control module, integrated circuit module, color-changing light source group and code switch for controlling color temperature can be realized; The output end of the current output module is electrically connected with the control module, the dimming module is electrically connected with the control module, the control module is also electrically connected with the integrated circuit module, light source group, the integrated circuit module is electrically connected with the code switch, the light source group is also electrically connected with the code switch, and the code switch is also electrically connected with the toning module.

2. The dimming and color adjusting circuit switched by a dial switch according to claim 1, characterized in that: The control module includes control chip U1 and diode D1, the 1, 2, 7 and 9 pins of the control chip U1 are grounded, the 3 pin of the control chip U1 is electrically connected with the anode of the diode D1 through the resistance R5, the 4 pin of the control chip U1 is electrically connected with the integrated circuit module, the 5 pin of the control chip U1 is electrically connected with the cathode of the diode D1 through the resistance R7, the 6 pin and the 7 pin of the control chip U1 are connected with the resistance R3, and the resistance R3 is connected with the resistance R4 in parallel.

3. The dimming and color adjusting circuit switched by a dial switch according to claim 2, characterized in that: The integrated circuit module includes integrated circuit chip U3, capacitor C2, resistance R8, resistance R6 and polarity capacitor CE, the resistance R6 and the polarity capacitor CE are connected in parallel, the anode of the polarity capacitor CE is connected with the diode D1, the cathode of the polarity capacitor CE is connected with the 4 pin of the control chip U1, one end of the resistance R8 is electrically connected with the 4 pin of the control chip U1, the other end of the resistance R8 is connected with the common terminal of the code switch, the capacitor C2 is connected between the high voltage port HV and the ground terminal GND of the integrated circuit chip U3, and one end of the resistance R8 is also connected with the ground terminal GND of the integrated circuit chip U3. The current output end DRAIN of the integrated circuit chip U3 is connected with the other end of the resistance R8.

4. The dimming and color adjusting circuit of claim 3, wherein: The light adjusting module comprises a light adjusting chip U2, a resistor R12, a resistor R13, a resistor R10, a resistor R11, a MOS tube Q2, a MOS tube Q3, a capacitor C4 and a polarity capacitor CE2, the resistor R12 and the resistor R13 are connected in series, the resistor R10 and the resistor R11 are connected in series, one end of the resistor R12 is electrically connected with the current output module, one end of the resistor R13 is electrically connected with the No.2 pin of the light adjusting chip U2, the No.1 pin of the light adjusting chip U2 is electrically connected with the anode of a diode D1 through the resistor R11 and the resistor R10, the No.1 pin of the light adjusting chip U2 is also grounded through the polarity capacitor CE2, the No.3 pin of the light adjusting chip U2 is grounded through the capacitor C4, the No.4 pin of the light adjusting chip U2 is grounded, the No.5 pin of the light adjusting chip U2 is electrically connected with the gate of the MOS tube Q2, the drain of the MOS tube Q2 is electrically connected with the No.6 pin of the control chip U1 through a resistor R14, the source of the MOS tube Q2 is grounded, the No.6 pin of the light adjusting chip U2 is electrically connected with the gate of the MOS tube Q3, the drain of the MOS tube Q3 is electrically connected with the No.6 pin of the control chip U1 through a resistor R15, and the source of the MOS tube Q3 is grounded.

5. The dimming and color adjusting circuit switched by a dial switch according to claim 4, characterized in that: The light source group comprises a first light source W, a second light source C and a high-low color temperature filament positive end LED+, the high-low color temperature filament positive end LED+ is electrically connected with the negative electrode of the diode D1, and the first light source W and the second light source C are electrically connected with the code switch.

6. The dimming and color adjusting circuit switched by a dial switch according to claim 5, characterized in that: The code switch is provided with a first gear pin, a second gear pin, a third gear pin, a fourth gear pin and a fifth gear pin, the first gear pin is electrically connected with the first light source W, the fifth gear pin is electrically connected with the second light source C, and the first gear pin, the second gear pin, the third gear pin, the fourth gear pin and the fifth gear pin are electrically connected with the color adjusting module.

7. The dimming and color adjusting circuit switched by a dial switch according to claim 6, characterized in that: The color adjusting module comprises diodes D2, D3, D4, D5, D6 and D7, resistors R21, R20, R25, R22, R23 and R24, the anodes of the diodes D2, D3 and D4 are respectively electrically connected with the first gear pin, the anodes of the diodes D5, D6 and D7 are respectively electrically connected with the fifth gear pin, the cathode of the diode D4 is electrically connected with the second gear pin through the resistor R25, the cathode of the diode D7 is electrically connected with the second gear pin through the resistor R24, the cathode of the diode D3 is electrically connected with the third gear pin through the resistor R20, the cathode of the diode D6 is electrically connected with the third gear pin through the resistor R23, the cathode of the diode D2 is electrically connected with the fourth gear pin through the resistor R21, and the cathode of the diode D5 is electrically connected with the fourth gear pin through the resistor R22.

8. The dimming and color adjusting circuit switched by a dial switch according to claim 7, characterized in that: The current output module comprises a voltage-dependent resistor VR, a capacitor C1 and a rectifier bridge BD, the voltage-dependent resistor VR is connected in parallel with the capacitor C1, one end of the voltage-dependent resistor VR is connected with the No. 2 pin of the rectifier bridge BD, the other end of the voltage-dependent resistor VR is connected with the No. 1 pin of the rectifier bridge BD, the other end of the voltage-dependent resistor VR is connected with a first series resistor group, the other end of the voltage-dependent resistor VR is also connected with a fuse resistor FR, and the No. 3 pin of the rectifier bridge BD is connected with the anode of the diode D1.

9. An illumination device, characterized by The dimming and color adjusting circuit switched by the dial switch comprises the dimming and color adjusting circuit according to any one of claims 1 to 8.

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