Dimming conversion plate
By designing a dimming conversion board, using the resistance-capacity-resistance-changing principle and adjustment chip, the problem of existing lamps lacking dimming color cutting function is solved, and the color switching and dimming is achieved through buttons is switched, which improves the user experience.
Patent Information
- Application Number
- CN202421164121.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-05-27
AI Technical Summary
Existing lamps lack the function of dimming and color cutting, so users need to switch colors and dimming through dial switch, which is inconvenient to use.
A dimming conversion board is designed to switch the luminous color through the principle of resistive capacity and transforming light, and to use the adjustment chip to connect to the resistor to achieve the switching of the luminous color by multiple buttons.
It realizes that the color and dimming can be switched through buttons without dialing switches, which improves the user experience and adapts to light source groups of different powers.
Smart Images
Figure CN222464883U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of lamps, in particular to a dimming conversion board. Background Art
[0002] Some existing lamps of some brands do not have the function of dimming and color cutting. If dimming and color cutting are required, a dip switch will be set in the lamp. By using the dip switch to switch colors and dimming, it causes inconvenience in using the product. However, due to the users' preference for these brands, they often specify to buy lamps of these brands. If an adapter board can be inserted between the light source circuit and the power driver, through the principle of resistance-capacitance dimming, the user can switch the final luminous color by pressing the button multiple times. Utility Model Content
[0003] The main purpose of the utility model is to provide a dimming conversion board which realizes dimming control through the principle of resistance-capacitance dimming.
[0004] The utility model provides a dimming conversion board, comprising a circuit board body, two power input terminals and three power output terminals arranged on the circuit board body, wherein the circuit board body is connected to a power driver through the power input terminals, and the circuit board body is respectively connected to a first light source group and a second light source group through the power output terminals;
[0005] The circuit board body is also provided with at least one adjustment chip and a resistor R1;
[0006] The two output pins of the regulating chip are respectively connected to the two power output terminals and thus respectively connected to the first light source group and the second light source group, one of the power output terminals is directly connected to the power input terminal and then connected to the first light source group and the second light source group, and the GND pin of the regulating chip is connected to one power input terminal;
[0007] The VCC pin of the regulating chip is connected to the resistor R1 and then connected to another power input terminal;
[0008] Different numbers of adjustment chips are selected according to the light emitting power of the first light source group and the second light source group.
[0009] Preferably, the model of the regulating chip is AP6972N.
[0010] Preferably, a capacitor C1 is further included, and the resistor R1 is connected to the capacitor C1 and then connected to the power input terminal.
[0011] The beneficial effects of the dimming conversion board of the utility model are:
[0012] 1. By using different numbers of dimming chips, the first light source group and the second light source group with different powers can be adapted.
[0013] 2. A dimming link board is used to connect the power driver with the first light source group and the second light source group, so that a power driver without a dimming function can also have a dimming function. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a circuit diagram of the dimming conversion board of the utility model;
[0015] Figure 2 It is a structural schematic diagram of the dimming conversion board of the utility model;
[0016] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION
[0017] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.
[0018] Reference Figure 1 and Figure 2 , an embodiment of the dimming conversion board of the utility model is proposed:
[0019] A dimming conversion board includes a circuit board body 1 and two power input terminals 2 and three power output terminals 3 arranged on the circuit board body 1, wherein the power input terminals 2 are respectively a positive power input terminal and a negative power input terminal, and the power output terminals 3 are respectively a positive power output terminal, a first negative power output terminal and a second negative power output terminal.
[0020] The circuit board body is connected to the positive and negative poles of the power drive through the positive pole of the power input terminal and the negative pole of the power input terminal respectively, the negative pole of the first power output terminal and the negative pole of the second power output terminal of the circuit board body are connected to the negative poles of the first light source group and the second light source group respectively, and the positive pole of the power output terminal of the circuit board body is connected to the positive pole of the first light source group and the second light source group.
[0021] The circuit board body is also provided with three regulating chips, a capacitor C1 and a resistor R1. The three regulating chips are U1, U2 and U3 respectively.
[0022] The two output pins of the three adjustment chips are respectively connected to the negative electrode of the first power output terminal and the negative electrode of the second power output terminal, and then connected to the first light source group and the second light source group respectively. The VCC pins of the three adjustment chips are connected to the resistor R1 and then connected to the positive electrode of the power input terminal. The GND pins of the three adjustment chips are connected to the negative electrode of the power input terminal. The model of the adjustment chip is AP6972N.
[0023] After the external switch is pressed, the adjustment chip drives the first light source group to work, after the external switch is turned off and pressed again, the adjustment switch drives the second light source group to work, after the external switch is turned off and pressed again, the adjustment switch drives the first light source group and the second light source group to work at the same time. The subsequent cycle is repeated, and different numbers of adjustment chips are selected to adapt according to the luminous power of the first light source group and the second light source group when in use.
[0024] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structural transformation made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, is also included in the patent protection scope of the present invention.
Claims
1. A dimming conversion board, characterized in that: It includes a circuit board body and two power input terminals and three power output terminals arranged on the circuit board body, wherein the circuit board body is connected to a power driver through the power input terminals, and the circuit board body is respectively connected to a first light source group and a second light source group through the power output terminals; The circuit board body is also provided with at least one adjustment chip and a resistor R1; The two output pins of the regulating chip are respectively connected to the two power output terminals and thus respectively connected to the first light source group and the second light source group, one of the power output terminals is directly connected to the power input terminal and then connected to the first light source group and the second light source group, and the GND pin of the regulating chip is connected to one power input terminal; The VCC pin of the regulating chip is connected to the resistor R1 and then connected to another power input terminal; Different numbers of adjustment chips are selected according to the light emitting power of the first light source group and the second light source group.
2. The dimming conversion board according to claim 1, characterized in that: The model of the regulating chip is AP6972N.
3. The dimming conversion board according to claim 1, characterized in that: It also includes a capacitor C1, and the resistor R1 is connected to the capacitor C1 and then connected to the power input terminal.