Switch switching color temperature adjusting high-voltage lamp strip

Abstract

The utility model provides a high-voltage lamp strip capable of adjusting color temperature through switch switching. The high-voltage lamp strip comprises a switch K, a rectifier bridge DB1, a white light lamp string LED-W, a warm white light lamp string LED-Y, a sampling resistor R1, a sampling resistor R2, a power supply resistor R3, a system switching time control capacitor C1, a system recovery time control capacitor C2 and a color temperature adjustable LED constant current driving control chip U1. The LED lamp strip has the advantages that the color temperature of the lamp strip can be adjusted through switching of the switch, and the requirement for illumination with different color temperatures in different time periods and different scenes can be met.

Description

Technical Field

[0001] The utility model relates to a light strip, in particular to a high-voltage light strip capable of adjusting color temperature by switching a switch. Background Art

[0002] A light strip refers to an LED light that is soldered to a copper wire or a strip of flexible circuit board using a special processing technique, and then connected to a power source to emit light. It is named because its shape when it emits light is like a light strip.

[0003] Conventional light strips only have one color temperature. For example, if a customer buys a 3000K light strip, it can only be illuminated at 3000K. With the development of society and the improvement of people's living needs, customers are no longer satisfied with products with only a single color temperature. They require lighting with different color temperatures in different time periods and different scenarios. Therefore, providing a high-voltage light strip with a switch to adjust the color temperature is a technical problem that needs to be urgently solved by those skilled in the art. Summary of the Invention

[0004] In order to solve the problems in the prior art, the utility model provides a high-voltage light strip with a switch capable of adjusting the color temperature.

[0005] The utility model provides a switch-switched color temperature adjustable high-voltage lamp strip, comprising a switch K, a rectifier bridge DB1, a white light string LED-W, a warm white light string LED-Y, a sampling resistor R1, a sampling resistor R2, a power supply resistor R3, a system switching time control capacitor C1, a system recovery time control capacitor C2, and an adjustable color temperature LED constant current drive control chip U1, wherein one end of the switch K is connected to the live wire L, the other end of the switch K is connected to pin 4 of the rectifier bridge DB1, pin 2 of the rectifier bridge DB1 is connected to the neutral wire N, pin 1 of the rectifier bridge DB1 is respectively connected to the anode of the white light string LED-W, the anode of the warm white light string LED-Y, and one end of the power supply resistor R3, the other end of the power supply resistor R3 is connected to pin 8 of the adjustable color temperature LED constant current drive control chip U1, pin 3 of the rectifier bridge DB1 is grounded, and the cathode of the white light string LED-W is connected to the neutral wire N. The adjustable color temperature LED constant current drive control chip U1 is connected to pin 5, the cathode of the warm white light string LED-Y is connected to pin 6 of the adjustable color temperature LED constant current drive control chip U1, one end of the system switching time control capacitor C1 is connected to pin 1 of the adjustable color temperature LED constant current drive control chip U1, and the other end of the system switching time control capacitor C1 is grounded, one end of the system recovery time control capacitor C2 is connected to pin 2 of the adjustable color temperature LED constant current drive control chip U1, and the other end of the system recovery time control capacitor C2 is grounded, one end of the sampling resistor R1 is connected to pin 3 of the adjustable color temperature LED constant current drive control chip U1, and the other end of the sampling resistor R1 is grounded, one end of the sampling resistor R2 is connected to pin 4 of the adjustable color temperature LED constant current drive control chip U1, and the other end of the sampling resistor R2 is grounded.

[0006] As a further improvement of the present invention, the switch-switched color temperature adjusting high-voltage light strip also includes a varistor RV1, one end of the varistor RV1 is connected to pin 4 of the rectifier bridge DB1, and the other end of the varistor RV1 is connected to pin 2 of the rectifier bridge DB1.

[0007] As a further improvement of the present invention, the switch-switched color temperature adjustable high-voltage light strip further includes a fuse F1 , which is connected in series between the switch K and the pin 4 of the rectifier bridge DB1 .

[0008] The beneficial effect of the present invention is that: through the above scheme, the color temperature of the light strip can be adjusted by switching the switch, which can meet the lighting needs of different color temperatures in different time periods and different scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other solutions can be obtained based on these drawings without paying any creative work.

[0010] Figure 1 The utility model discloses a circuit diagram of a high-voltage light strip with a switch for adjusting color temperature.

[0011] Figure 2 It is the system switching time curve.

[0012] Figure 3 It is a system reset time curve. DETAILED DESCRIPTION

[0013] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features therein can be combined with each other.

[0014] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships 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 limiting the scope of protection of the present invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0015] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to direct connections, indirect connections through an intermediate medium, or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0016] The present invention will be further described below with reference to the accompanying drawings and specific implementation methods.

[0017] like Figure 1As shown, a switch-switched color temperature adjustable high-voltage light strip includes a switch K, a rectifier bridge DB1, a white light string LED-W, a warm white light string LED-Y, a sampling resistor R1, a sampling resistor R2, a power supply resistor R3, a system switching time control capacitor C1, a system recovery time control capacitor C2 and an adjustable color temperature LED constant current drive control chip U1, wherein one end of the switch K is connected to the live wire L, the other end of the switch K is connected to pin 4 of the rectifier bridge DB1, pin 2 of the rectifier bridge DB1 is connected to the neutral wire N, pin 1 of the rectifier bridge DB1 is respectively connected to the anode of the white light string LED-W, the anode of the warm white light string LED-Y, and one end of the power supply resistor R3, the other end of the power supply resistor R3 is connected to pin 8 of the adjustable color temperature LED constant current drive control chip U1, pin 3 of the rectifier bridge DB1 is grounded, and the cathode of the white light string LED-W is connected to the The adjustable color temperature LED constant current drive control chip U1 is connected to pin 5, the cathode of the warm white light string LED-Y is connected to pin 6 of the adjustable color temperature LED constant current drive control chip U1, one end of the system switching time control capacitor C1 is connected to pin 1 of the adjustable color temperature LED constant current drive control chip U1, and the other end of the system switching time control capacitor C1 is grounded, one end of the system recovery time control capacitor C2 is connected to pin 2 of the adjustable color temperature LED constant current drive control chip U1, and the other end of the system recovery time control capacitor C2 is grounded, one end of the sampling resistor R1 is connected to pin 3 of the adjustable color temperature LED constant current drive control chip U1, and the other end of the sampling resistor R1 is grounded, one end of the sampling resistor R2 is connected to pin 4 of the adjustable color temperature LED constant current drive control chip U1, and the other end of the sampling resistor R2 is grounded.

[0018] The switch-switched color temperature-adjustable high-voltage light strip further includes a varistor RV1 , one end of which is connected to pin 4 of the rectifier bridge DB1 , and the other end of which is connected to pin 2 of the rectifier bridge DB1 .

[0019] The switch-switched color temperature adjusting high-voltage lamp strip further includes a fuse F1 , which is connected in series between the switch K and the pin 4 of the rectifier bridge DB1 .

[0020] The color-temperature-adjustable LED constant-current driver control chip U1 can achieve three color temperature adjustments, suitable for input voltages of 200Vac to 240Vac or 90Vac to 130Vac, with a constant current accuracy of less than ±4%. In three-stage color temperature adjustment applications, the power switch can be turned on and off to sequentially change the switching state of the two output ports, alternating the lighting of two different-colored LEDs to achieve color temperature adjustment. Adjusting the external REXT resistor can adjust the system output power, and switching can be achieved within 0.5 to 3 seconds, supporting fast switching.

[0021] The switching time of the adjustable color temperature LED constant current drive control chip U1 is controlled by the chip VDD port. The relationship curve between the capacitance value and the reset time is as follows: Figure 2 、 3 As shown, the recommended value is 1uF and the capacitor voltage resistance is 16V.

[0022] The function of fuse F1 is to protect electronic devices from overcurrent and serious damage caused by internal faults.

[0023] The varistor RV1 is a voltage-limiting protection device. Utilizing its nonlinear characteristics, when an overvoltage occurs between its two electrodes, the varistor can clamp the voltage to a relatively fixed value, thereby protecting subsequent circuits.

[0024] The rectifier bridge DB1 is used to convert alternating current into direct current.

[0025] The white light string LED-W emits white lighting light.

[0026] The warm white light string LED-Y emits warm light.

[0027] The system switching time controls the capacitor C1, and the capacitance and switching time are as follows: Figure 2 shown.

[0028] The system recovery time controls the capacitor C2, and the capacitance and reset time are as follows: Figure 3 shown.

[0029] The sampling resistor R1 and the sampling resistor R2 are used to adjust the power of the white light string LED-W and the warm white light string LED-Y.

[0030] The utility model provides a switch-switchable color temperature adjustment high-voltage light strip, which can switch the color temperature through switch K, and can achieve three-stage color temperature adjustment to meet the customer's color temperature adjustment function. It can realize different color temperature requirements from white light string LED-W to warm white light string LED-Y to two color temperature mixed colors, and the effect of quick switching can be achieved through a simple switch button.

[0031] The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and the specific implementation of the present invention cannot be considered to be limited to these descriptions. For those skilled in the art of the present invention, without departing from the concept of the present invention, several simple deductions or substitutions can be made, which should be considered to fall within the scope of protection of the present invention.

Claims

1. A high-voltage light strip with a switch that can adjust the color temperature, characterized by: It includes a switch K, a rectifier bridge DB1, a white light string LED-W, a warm white light string LED-Y, a sampling resistor R1, a sampling resistor R2, a power supply resistor R3, a system switching time control capacitor C1, a system recovery time control capacitor C2 and an adjustable color temperature LED constant current drive control chip U1, wherein one end of the switch K is connected to the live wire L, the other end of the switch K is connected to pin 4 of the rectifier bridge DB1, pin 2 of the rectifier bridge DB1 is connected to the neutral wire N, pin 1 of the rectifier bridge DB1 is respectively connected to the anode of the white light string LED-W, the anode of the warm white light string LED-Y, and one end of the power supply resistor R3, the other end of the power supply resistor R3 is connected to pin 8 of the adjustable color temperature LED constant current drive control chip U1, pin 3 of the rectifier bridge DB1 is grounded, and the cathode of the white light string LED-W is connected to the adjustable color temperature LED constant current The cathode of the warm white light string LED-Y is connected to pin 6 of the adjustable color temperature LED constant current drive control chip U1, one end of the system switching time control capacitor C1 is connected to pin 1 of the adjustable color temperature LED constant current drive control chip U1, and the other end of the system switching time control capacitor C1 is grounded. One end of the system recovery time control capacitor C2 is connected to pin 2 of the adjustable color temperature LED constant current drive control chip U1, and the other end of the system recovery time control capacitor C2 is grounded. One end of the sampling resistor R1 is connected to pin 3 of the adjustable color temperature LED constant current drive control chip U1, and the other end of the sampling resistor R1 is grounded. One end of the sampling resistor R2 is connected to pin 4 of the adjustable color temperature LED constant current drive control chip U1, and the other end of the sampling resistor R2 is grounded.

2. The switchable color temperature adjustable high-voltage light strip according to claim 1, characterized in that: The switch-switched color temperature-adjustable high-voltage light strip further includes a varistor RV1 , one end of which is connected to pin 4 of the rectifier bridge DB1 , and the other end of which is connected to pin 2 of the rectifier bridge DB1 .

3. The switchable color temperature adjustable high-voltage light strip according to claim 1, characterized in that: The switch-switched color temperature adjusting high-voltage lamp strip further includes a fuse F1 , which is connected in series between the switch K and the pin 4 of the rectifier bridge DB1 .

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