CN211090052U

CN211090052U - Three-color light-variable high-voltage lamp band free of power supply

Info

Publication number: CN211090052U
Application number: CN201921918380.1U
Authority: CN
Inventors: 刘达权
Original assignee: Jiangmen Jianglei Photoelectric Technology Co ltd
Current assignee: Jiangmen Jianglei Photoelectric Technology Co ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-07-24
Anticipated expiration: 2029-11-07

Abstract

The utility model discloses an exempt from power three-colour to become light high-voltage lamp area, its circuit board comprises the unit of can cuting of a plurality of parallelly connected relations, the tandem unit includes the first tandem unit and the second tandem unit that photochromic is different, be provided with the paster rectifier bridge on each can cuting the unit, be connected with behind the paster rectifier bridge and become the light control chip, it has two control pins of OUT1 and OUT2 to become the light control chip, first tandem unit and second tandem unit are connected to respectively OUT1 and OUT2 pin. The utility model discloses arbitrary one section or multistage can be cuted the unit and cut the back, do not need external drive power supply just can the use of lug connection 220V alternating current commercial power to can realize the switching of three kinds of light effects, have convenient to use, do not have advantages such as drive power supply is surplus or not enough.

Description

Three-color light-variable high-voltage lamp band free of power supply

Technical Field

The utility model relates to an L ED lamps and lanterns specifically disclose a power three-colour becomes light high-voltage lamp area exempts from.

Background

The conventional high-voltage L ED lamp belt is provided with a sheath, a core wire is wrapped in the sheath, a circuit board is wrapped in the core wire, L ED lamp beads are welded on the circuit board, positive and negative power supply leads are arranged in the core wire, and the circuit board is connected to the positive and negative power supply leads through a winding wire.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a three-color light-changing L ED high-voltage lamp strip circuit which is convenient to use, aiming at the problems in the prior art.

For solving the prior art problem, the utility model discloses an exempt from power three-colour to become light high-voltage lamp area has the crust, and the crust parcel has the heart yearn, has buried the power wire underground in the heart yearn, and the core silk parcel has the circuit board, be provided with the tandem unit who establishes ties and constitute by a plurality of L ED lamp pearls on the circuit board, the circuit board comprises the shearable unit of a plurality of parallel relations, the tandem unit includes the first tandem unit and the second tandem unit that photochromic is different, each shearable unit is last to be provided with the paster rectifier bridge, is connected with the light control chip behind the paster rectifier bridge, the light control chip has two control pins of OUT1 and OUT2, first tandem unit and second tandem unit are connected to respectively OUT1 and OUT2 pin.

The utility model has the advantages that: the utility model discloses because be provided with the paster rectifier bridge on each can cuting the unit, be connected with the light control chip that becomes behind the paster rectifier bridge, the light control chip that becomes has OUT1 and OUT2 two control pins, first series unit and second series unit be connected to respectively OUT1 and OUT2 pin; therefore, after any one or more sections of the shearable units are sheared, the shearable units can be directly connected with 220V alternating current commercial power for use without an external driving power supply, the switching of three lighting effects can be realized, and the shearable unit has the advantages of convenience in use, no surplus or shortage of the driving power supply and the like.

Drawings

Fig. 1 is the L ED lamp strip structure diagram of the present invention.

Fig. 2 is a schematic diagram of a circuit structure of the shearable unit of the present invention.

Detailed Description

For further understanding of the features and technical means, as well as the specific objects and functions of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

Referring to fig. 1, a three-color light-changing high-voltage lamp strip without a power supply comprises a transparent outer skin 1, a transparent core wire 2 is wrapped in the outer skin, a circuit board 3 is wrapped in the core wire 2, L ED lamp beads 41/42, a patch rectifier bridge 5 and a color-changing control chip 6 are welded on the circuit board 3, L/N power supply leads 21 are buried at two sides of the core wire 2, and the circuit board 3 is electrically connected to the L/N power supply leads 21 through a winding 22.

Referring to fig. 2, a circuit board 3 is composed of a plurality of shearable units connected in parallel, each shearable unit includes a patch rectifier bridge 5, a light-changing control chip 6, a first series unit 410 formed by connecting a plurality of white light L ED beads 41 in series, and a second series unit 420 formed by connecting a plurality of white light L ED beads 42 in series, the first series unit 410 and the second series unit 420 are formed in a manner that two L ED beads 41/42 are connected in parallel to form a parallel module 411/422, and a plurality of parallel modules 411/422 are connected in series to form the first series unit 410 and the second series unit 420, and the white light L ED beads 41 and the white light L ED beads 42 are arranged on the circuit board 3 in a staggered and uniform manner.

The pin specification of the light-changing control chip 6 is shown in the following table:

pin name	Pin description
		VDD	VDD Power Port
VCC	VCC power supply port
		REXT1	Output current value setting port 1
REXT2	Output current value setting port 2
		OUT2	Constant current output port 2
OUT1	Constant current output port 1
		NC	Suspension foot
VIN	Power input port
		GND	Chip ground

The VDD pin and the VCC pin of the color change control chip 6 are respectively connected to the cathode of the patch rectifier bridge 5 through capacitors C1 and C2, capacitors C1 and C2 are used for power supply sampling, the REXT1 and the REXT2 pin are respectively connected to the cathode of the patch rectifier bridge 5 through resistors R1 and R2, resistors R1 and R2 are used for adjusting the output power of the OUT1 and OUT2 pins, the OUT1 and OUT2 pins are respectively connected to the cathodes of the first series unit 410 and the second series unit 420, the anode of the patch rectifier bridge 5 is connected to the VIN pin through a resistor R0, a resistor R0 is used for adjusting the input power of the color change control chip 6, the GND pin is connected to the cathode of the patch rectifier bridge 5, the anodes of the first series unit 410 and the second series unit 420 are connected to the anode of the patch rectifier bridge 5, and the L/N input end of the patch rectifier bridge 5 is respectively connected to the L/N power supply lead.

The utility model discloses a control principle is, power switch on power wire 21 is closed, the power supply of color-changing control chip 6, VDD pin detects electric capacity C1 and controls first series unit 410 after being full of the electricity and lights, L ED lamp area presents the effect of just white light, through the delay time that electric capacity C1 capacity size control first series unit 410 lights, break off again closed when power switch for the first time, whether this opening and shutting operation interval time belongs to the time of procedure setting through the charge-discharge time detection of electric capacity C2, switch to second series unit 420 and light if belong to then, the lamp area presents the effect of warm white light, if be greater than or be less than the time of procedure setting, then do not switch, still control first series unit 410 and light, break again closed when power switch for the second time, the charge-discharge time detection of rethread electric capacity C2 should open and shut the interval time of operation belong to the time of procedure setting, if belong to then switch to first series unit 410 and second series unit 420 and light simultaneously, the effect of just white light, if be greater than the overlapping time of procedure setting, then the switch to the light time of procedure setting, the first series unit of switching can prevent through the wrong detection 2 of the electric capacity C of switching from leading to the detection.

Therefore, the utility model discloses arbitrary one section or multistage can be cuted the unit and cut the back, do not need external drive power supply just can the direct connection 220V exchange commercial power and use to can realize just white, warm white and just white with warm white three kinds of light effect's switching, have convenient to use, do not have advantages such as drive power supply is abundant or not enough.

The above-mentioned embodiments only represent several first embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a three-colour becomes light high-voltage lamp area of power exempts from, has the crust, and the crust parcel has the heart yearn, and the power wire has been buried underground in the heart yearn, and the heart yearn parcel has the circuit board, be provided with the series unit of establishing ties by a plurality of L ED lamp pearls on the circuit board, the circuit board comprises the shearable unit of a plurality of parallel relations, and characterized in that the series unit includes photochromic first series unit and second series unit, be provided with the paster rectifier bridge on each shearable unit, be connected with behind the paster rectifier bridge and become the light control chip, it has OUT1 and OUT2 two control pins to become the light control chip, the negative pole of first series unit and second series unit is connected to OUT1 and OUT2 pin respectively, the positive pole of first series unit and second series unit is connected to the positive pole of paster rectifier bridge.

2. The power-free three-color light-variable high-voltage lamp strip as claimed in claim 1, wherein the first series unit comprises a plurality of white L ED beads connected in series, and the second series unit comprises a plurality of warm white L ED beads connected in series.

3. The power-free three-color light-variable high-voltage lamp strip as claimed in claim 1, wherein: the variable light control chip is also provided with a VDD pin and a VCC pin, wherein the VDD pin and the VCC pin are respectively connected to the negative electrode of the patch rectifier bridge through capacitors C1 and C2.

4. The power-free three-color light-variable high-voltage lamp strip as claimed in claim 1, wherein: the variable light control chip also has REXT1 and REXT2 pins, the REXT1 and REXT2 pins are respectively connected to the negative pole of the patch rectifying bridge through resistors R1 and R2.