CN210491267U

CN210491267U - Adjustable LED current shunting module

Info

Publication number: CN210491267U
Application number: CN201920791310.8U
Authority: CN
Inventors: 叶春林
Original assignee: Guangzhou Kaijie Lighting Co ltd
Current assignee: Guangzhou Kaijie Lighting Co ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-05-08
Anticipated expiration: 2029-05-29

Abstract

The utility model discloses an adjustable LED current shunting module, which comprises a multi-way switch control module, an LED lamp group, a plurality of diodes and a constant current power supply; the first LED lamp and at least one diode are connected in series to form a first branch circuit, and the positive pole and the negative pole of the constant current power supply are respectively connected with the input end and the output end of the first branch circuit correspondingly; the second LED lamp and at least one diode are connected in series to form a second branch circuit, the anode of the constant current power supply is connected with the input end of the multi-way switch control module, the multi-way output end of the multi-way switch control module is respectively connected with the anode of the first LED lamp, the anode of the second LED lamp and the anode of at least one diode in the second branch circuit, and the cathode of the constant current power supply is connected with the output end of the second branch circuit. The utility model discloses a multi-way switch control module selects the diode of access circuit in the second branch road, and through the colour temperature combination of first LED lamp and second LED lamp, multi-way switch control module just can adjust out the luminous combination of multiple colour temperature and colour.

Description

Adjustable LED current shunting module

Technical Field

The utility model relates to a LED lamp field, concretely relates to adjustable LED current shunting module.

Background

The lamp is a lamp taking an LED lamp bead (light emitting diode) as a luminous source, the LED lamp can emit various colors, namely red, green and blue, and can be composed of three primary colors into tens of millions of colors, and white is also divided into various color temperatures, namely positive white, warm white and cold white. One lamp can be provided with LEDs of one color, and also can be provided with LED lamps of two or more colors and color temperatures.

When the LED lamps with two or more colors and color temperatures are installed, a PWM control module is usually installed to modulate the required color and color temperature, for example, the CN201320112370.5 patent "dimming and color-mixing circuit of LED table lamp" is controlled by a PWM control signal generation module; the CN201720519359.9 patent "LED lamp color temperature adjusting circuit under shunt action of field effect transistor" also adopts PWM control chip to adjust.

However, the regulation is usually complicated by adopting controllers such as a PWM control module and the like; moreover, the number of electronic components required for adjustment by the controller is often large and expensive.

SUMMERY OF THE UTILITY MODEL

In view of the above technical problem, an object of the present invention is to provide an adjustable LED current splitting module, which is simple and convenient and saves electronic materials when modulating LED lamps of two or more colors and color temperatures.

The utility model adopts the following technical scheme:

an adjustable LED current shunting module comprises a multi-way switch control module, an LED lamp set, a plurality of diodes and a constant current power supply; the LED lamp group comprises N LED lamps with at least two color temperatures and two luminous colors, wherein N is more than or equal to 2;

the first LED lamp and at least one diode are connected in series to form a first branch circuit, and the anode and the cathode of the constant current power supply are respectively connected with the input end and the output end of the first branch circuit correspondingly;

the second LED lamp and at least one diode are connected in series to form a second branch circuit, the positive electrode of the constant current power supply is connected with the input end of the multi-way switch control module, the multi-way output end of the multi-way switch control module is respectively connected with the positive electrode of the first LED lamp, the positive electrode of the second LED lamp and the positive electrode of the at least one diode in the second branch circuit, and the negative electrode of the constant current power supply is connected with the output end of the second branch circuit.

Further, when N is larger than or equal to 3, the negative electrodes of the Nth LED lamp are connected with the negative electrode of the constant current power supply, and the positive electrode of the Nth LED lamp is connected with the negative electrode of one diode in the second branch circuit.

Further, when N is larger than or equal to 3, the N-th LED lamp and at least one diode are connected in series to form an N-th branch, the negative electrode of the constant current power supply is connected with the negative electrode of the N-th LED lamp, and the input end of the N-th branch is connected with the negative electrode of one diode in the second branch.

Furthermore, the multi-way switch control module adopts a multi-way rotary switch.

Furthermore, the multi-path rotary switch adopts a multi-path rotary switch with 8 gears, the second LED lamp and the 6 diodes are sequentially connected in series to form a second branch, and the multi-path output end of the multi-path rotary switch is respectively connected with the anode of the first LED lamp, the anode of the second LED lamp and the anodes of the 6 diodes in the second branch correspondingly.

Furthermore, the N LED lamps are composed of a single LED lamp bead or a plurality of LED lamp beads connected in series.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses a multi-way switch control module selects the diode of access circuit in the second branch road, and at the in-process of multichannel data transfer, multi-way switch control module can select arbitrary way wherein as required. When the number of diodes connected into the circuit in the second branch selected by the multi-way switch control module is different, the voltage drops caused by different numbers of diodes connected in series are different, and the current flowing into the second LED lamp is different in magnitude. Therefore, different colors and color temperatures are realized by changing the brightness, and through the color temperature combination of the first LED lamp and the second LED lamp, the multi-way switch control module can adjust the light-emitting combination of various color temperatures and colors, so that the LED lamp is simple and convenient, and saves electronic materials.

Furthermore, the same constant current power supply supplies power to a plurality of LEDs in the lamp group, and voltage drops caused by different numbers of serially connected diodes are different, so that the current flowing into the LED lamp is different, the LEDs are shunted to emit light, and various colors of RGB (red, green, blue) combination and various color temperatures such as white, warm and white are adjusted.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of another embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments, and it should be noted that, in the premise of no conflict, the following described embodiments or technical features may be arbitrarily combined to form a new embodiment:

example (b):

referring to fig. 1-2, an adjustable LED current shunting module, referring to fig. 1, includes a multi-way switch control module, an LED lamp set, a plurality of diodes, and a constant current power supply; the LED lamp group comprises N LED lamps with at least two color temperatures and two luminous colors, wherein N is more than or equal to 2; in the present embodiment, when the LED lamp group includes only the first LED lamp and the second LED lamp; the first LED lamp and the second LED lamp have different color temperatures and different light emitting colors.

Specifically, the N LED lamps are composed of a single LED lamp bead or a plurality of LED lamp beads connected in series. The color temperature of the LED lamp is generally divided into warm white (about 2200K-3500K), white (about 4000K-6000K) and cold white (over 6500K).

Optionally, the color temperature of the LED lamp bead in the first LED lamp is 3000K, and the color temperature of the LED lamp bead in the second LED lamp is 6500K. Of course, the color temperature of the LED lamp bead in the first LED lamp and the color temperature of the LED lamp bead in the second LED lamp are not limited here, and may be any color temperature when the color temperatures are different, which is taken as an example here.

The first LED lamp and at least one diode are connected in series to form a first branch circuit, and the positive pole and the negative pole of the constant current power supply are respectively connected with the input end and the output end of the first branch circuit correspondingly; the number of diodes in the first branch is not limited, and 3 diodes are used in the figure.

The multi-way switch control module can select any way of the products according to requirements, the structure classification of the products is more, and the corresponding applicable places are different. Optionally, the multi-way switch control module adopts a multi-way rotary switch. The multi-way rotary switch is a kind of plug-in element of circuit, which is used to switch the wave band or select different circuits. Can be divided according to specification by the number of knives, the number of bits and the number of layers of the insulation sheet

As an embodiment, the utility model discloses a multichannel rotary switch adopts 8 gears's multichannel rotary switch, second LED lamp forms the second branch road with 6 diodes after establishing ties in proper order, and what multichannel rotary switch's multichannel output corresponded respectively with the anodal of first LED lamp, the anodal of second LED lamp and the anodal of 6 diodes in the second branch road are connected.

The utility model discloses a multi-way switch control module selects the diode of access circuit in the second branch road, and at the in-process of multichannel data transfer, multi-way switch control module can select arbitrary way wherein as required. When the number of diodes connected into the circuit in the second branch selected by the multi-way switch control module is different, the voltage drops caused by different numbers of diodes connected in series are different, and the current flowing into the second LED lamp is different in magnitude. Therefore, different colors and color temperatures are realized by changing the brightness, and the multi-way switch control module can adjust the light-emitting combination of various color temperatures and colors by the combination of the color temperatures of the first LED lamp and the second LED lamp.

As another embodiment, the LED lamp set includes N LED lamps, different from the previous embodiment, the number N of the LED lamps included in the LED lamp set is greater than or equal to 3, the connection manner of the second LED lamp and the first LED lamp is the same as that of the previous embodiment, and the connection from the third LED lamp to the nth LED lamp is as follows: when N is larger than or equal to 3, the Nth LED lamp and at least one diode are connected in series to form an Nth branch, the negative electrode of the constant current power supply is connected with the negative electrode of the Nth LED lamp, and the input end of the Nth branch is connected with the negative electrode of one diode in the second branch.

As another embodiment, please refer to fig. 2, which is different from the previous embodiment, when N is greater than or equal to 3, the cathodes of the nth LED lamps are both connected to the cathode of the constant current power supply, and the anode of the nth LED lamp is connected to the cathode of one diode in the second branch.

The utility model discloses a give the power supply of a plurality of LEDs in the banks with same power, the pressure drop that the diode quantity difference that goes into through the cluster arouses is different to arouse that the electric current size that the LED lamp flowed in is different, realize that a plurality of LED shunts luminous, thereby adjust out various colours of RGB combination and just whitely warm various colour temperatures such as white.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims

1. An adjustable LED current shunting module is characterized by comprising a multi-way switch control module, an LED lamp set, a plurality of diodes and a constant current power supply; the LED lamp group comprises N LED lamps with at least two color temperatures and two luminous colors, wherein N is more than or equal to 2;

the first LED lamp and at least one diode are connected in series to form a first branch circuit, and the positive pole and the negative pole of the constant current power supply are respectively connected with the input end and the output end of the first branch circuit correspondingly;

2. The adjustable LED current splitting module of claim 1, wherein when N is greater than or equal to 3, the cathodes of the Nth LED lamp are connected to the cathode of the constant current power supply, and the anode of the Nth LED lamp is connected to the cathode of one diode in the second branch.

3. The adjustable LED current splitting module of claim 1, wherein when N is greater than or equal to 3, an Nth LED lamp is connected in series with at least one diode to form an Nth branch, a negative electrode of the constant current power supply is connected with a negative electrode of the Nth LED lamp, and an input end of the Nth branch is connected with a negative electrode of one diode in the second branch.

4. The adjustable LED current splitting module of claim 1, wherein the multi-way switch control module employs a multi-way rotary switch.

5. The adjustable LED current splitting module of claim 4, wherein the multi-way rotary switch is an 8-position multi-way rotary switch, the second LED lamp and the 6 diodes are sequentially connected in series to form a second branch, and multi-way output ends of the multi-way rotary switch are respectively connected with the anode of the first LED lamp, the anode of the second LED lamp and the anodes of the 6 diodes in the second branch.

6. The adjustable LED current splitting module of claim 1, wherein each of the N LED lamps consists of a single LED lamp bead or a plurality of LED lamp beads connected in series.