CN215818680U

CN215818680U - High-voltage colorful LED lamp strip circuit

Info

Publication number: CN215818680U
Application number: CN202121622620.0U
Authority: CN
Inventors: 刘达权
Original assignee: Jiangdian Lighting Appliance Guangdong Co ltd
Current assignee: Jiangdian Lighting Electrical Appliances (Jiangmen) Co.,Ltd.
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2022-02-11
Anticipated expiration: 2031-07-16

Abstract

A high-voltage multicolor LED lamp belt circuit comprises a first control unit, an Nth control unit, wherein N is more than or equal to 2; the circuit structure of the control unit comprises a rectifying module, a voltage stabilizing module, a single chip microcomputer, a switch module, a red light module, a blue light module and a green light module, wherein the working voltage of the red light module, the blue light module and the green light module is 220V; the input end of the rectification module is used for connecting commercial power, the output end of the rectification module is connected to the voltage stabilizing module, the red light module, the blue light module and the green light module, the output end of the voltage stabilizing module is connected to the single chip microcomputer, the output end of the single chip microcomputer is connected to the switch module, and the switch module controls the current switch and the intensity change of the red light module, the blue light module and the green light module; wherein, the signal output end of the (N-1) th control module singlechip is connected to the signal input end of the (N) th control module singlechip.

Description

High-voltage colorful LED lamp strip circuit

Technical Field

The utility model relates to an LED lamp circuit, and particularly discloses a high-voltage multicolor LED lamp belt circuit.

Background

The existing colorful LED lamp belt comprises a sheath, a circuit board is wrapped in the sheath, and LED lamp beads with red, green and blue luminous colors are welded on the circuit board. The LED lamp strip is manufactured by adopting a continuous production process, the factory length of each lamp strip is more than 50 meters, and each lamp strip with the length of 1 meter comprises an independent control unit, so that the LED lamp strip is convenient for consumers to cut and use. The traditional colorful LED lamp strip needs to use an external controller to control the on-off and brightness of three LED lamp beads so as to realize the light effect of the lamp strip with various color changes. However, the external control power is limited, so that a long lamp strip cannot be driven, and the installation is troublesome. In order to solve the above drawbacks, manufacturers have developed an LED strip with a built-in controller, specifically, a control chip is disposed in each independent control unit to control the on/off and brightness of the LED light source. However, because of the absence of the master controller, the LED lights of the control units can only be changed integrally, and cannot be changed alternately to achieve the effects of chasing, running and the like, the light change effect is not rich enough, and the so-called fantasy color change effect in the industry cannot be achieved, and especially when a plurality of light strips need to be used on a large building, the light strips cannot be synchronized, which further affects the decorative effect.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a high-voltage multicolor LED strip which can realize a multicolor change effect, has richer light change and better decorative effect, aiming at the problems of the prior art.

In order to solve the problems of the prior art, the utility model discloses a high-voltage multicolor LED lamp belt circuit which comprises a first control unit to an Nth control unit, wherein N is more than or equal to 2; the circuit structure of the control unit comprises a rectifying module, a voltage stabilizing module, a single chip microcomputer, a switch module, a red light module, a blue light module and a green light module, wherein the working voltage of the red light module, the blue light module and the green light module is 220V; the input end of the rectification module is used for connecting commercial power, the output end of the rectification module is connected to the voltage stabilizing module, the red light module, the blue light module and the green light module, the output end of the voltage stabilizing module is connected to the single chip microcomputer, the output end of the single chip microcomputer is connected to the switch module, and the switch module controls the current switch and the intensity change of the red light module, the blue light module and the green light module; wherein, the signal output end of the (N-1) th control module singlechip is connected to the signal input end of the (N) th control module singlechip.

The utility model has the beneficial effects that: because this control unit controller and the main control unit in whole lamp area can be regarded as simultaneously to the singlechip of first control unit, the signal input part and the signal output part series connection of the singlechip between each control unit, cut the lamp area that contains a plurality of control units wantonly and be connected to 220V and exchange the commercial power, can all realize the lamp light alternation or the synchro variation of each control unit in the lamp area, realize the effect that the light illusion-colour changes, the light change is abundanter, decorative effect is better.

Drawings

Fig. 1 is a schematic view of a lamp strip structure in embodiment 1 of the present invention.

Fig. 2 is an enlarged structural view at a in fig. 1.

Fig. 3 is a schematic view of a lamp strip structure in embodiment 2 of the present invention.

Fig. 4 is a schematic circuit structure 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.

Example 1. Refer to fig. 1 and 2. The utility model provides a there is high-pressure illusion-colour LED lamp area of wire, has transparent crust 1, and the parcel has transparent heart yearn 2 that has the inner chamber in the

crust

1, and 2 lateral walls of heart yearn have buried two power wire 21 underground, and 2 inner chambers of heart yearn are provided with the circuit board 3 that multistage length is 1 meter, and 3 tip of circuit board are provided with two binding post 31, two binding post 31 are connected to respectively through lead wire 32 to two power wire 21. And electronic components such as an LED lamp bead 4, a patch bridge reactor DB, a single chip microcomputer U and the like are welded on the circuit board 3.

Example 2. Refer to fig. 3. A leadless high-voltage colorful LED strip circuit comprises a transparent outer skin 1, wherein a circuit board 3 extending along the length direction of the outer skin is wrapped in the outer skin 1. Be provided with two power supply circuit 30 that extend along circuit board length direction on the

circuit board

3, 3 tip of circuit board be provided with two respectively in binding post 31 of two power supply circuit 30 electrical contacts, install many electronic components such as LED lamp pearl 4, paster bridge pile DB and singlechip U between two power supply circuit 30.

The circuit structures of the above two embodiments refer to fig. 4. The LED lamp beads 4, the patch bridge reactor DB, the single chip microcomputer U and other electronic components sequentially form a first control unit L1 to an Nth control unit Ln, wherein N is larger than or equal to 2. The circuit configuration of the first control unit L1 includes: and the output end of the rectifying module 5 is connected to the voltage stabilizing module 6 and the red light module 4R, the blue light module 4G and the green light module 4B with the working voltage of 220V. And the output end of the voltage stabilizing module 6 is connected to the singlechip U. The output end of the single chip microcomputer U is connected to the switch module 7, and the signal input end of the single chip microcomputer U is connected with the alternating current sampling module 8. The switch module 7 controls the current switching and intensity variation of the red light module 4R, the blue light module 4G and the green light module 4B.

The rectifier module 5 is a patch bridge pile DB, and the patch bridge pile DB comprises two alternating current input ends, a positive output end and a negative output end. Two alternating current input ends of the patch bridge stack DB are respectively and electrically connected to two wiring terminals 31 of the circuit board 3.

The single chip microcomputer U comprises a positive electrode end VDD, a negative electrode end GND, a signal output end PB6, a first output end PB1, a second output end PB2, a third output end PB3, a first signal input end PB4 and a second signal input end PB 5.

The voltage stabilizing module 6 comprises a first capacitor C1 and a voltage regulator tube D which are connected in parallel, and a voltage reducing resistor R0 which is connected with the first capacitor C1 and the voltage regulator tube D in series. The voltage reduction resistor R0 is connected to the positive output end of the patch bridge stack DB, and the first capacitor C1 and the voltage regulator tube D are connected to the negative output end of the patch bridge stack DB. And the positive end VDD of the singlechip U is connected between the voltage reduction resistor R0 and the voltage regulator tube D, and the negative end GND of the singlechip U is connected to the negative output end of the patch bridge DB. And the voltage stabilizing tube D provides stable 5.1V voltage for the singlechip U.

The switch module 7 comprises a first triode Q1, a second triode Q2 and a third triode Q3, bases of the first triode Q1, the second triode Q2 and the third triode Q3 are respectively connected to a first output end PB1, a second output end PB2 and a third output end PB3 of the single chip microcomputer U through a fourth resistor R4, a fifth resistor R5 and a sixth resistor R6, and an emitter of the first triode Q1, the second triode Q2 and the third triode Q3 is connected to a negative output end of the patch bridge stack DB. The red light module 4R is formed by connecting a plurality of red light LED lamp beads and a first resistor R1 in series, the green light module 4G is formed by connecting a plurality of green light LED lamp beads and a second resistor R2 in series, and the blue light module 4B is formed by connecting a plurality of blue light LED lamp beads and a third resistor R3 in series. The anodes of the red light module 4R, the green light module 4G and the blue light module 4B are connected to the anode output end of the patch bridge stack DB, and the cathodes thereof are connected to the collectors of the first triode Q1, the second triode Q2 and the third triode Q3, respectively.

The ac sampling module 8 includes a fourth triode Q4, a seventh resistor R7 connected to the base of the fourth triode Q4, and a second capacitor C2. The collector of the fourth triode Q4 is connected to the first signal input terminal PB4 and the second signal input terminal PB5 of the single chip microcomputer U, and the emitter thereof and the other end of the second capacitor C2 are connected to the negative output terminal of the patch bridge DB. The seventh resistor R7 is connected to one of the ac inputs of the patch bridge stack DB. The alternating current sampling module 8 is used for collecting alternating current commercial power signals and keeping a plurality of LED lamp strips connected to the same power grid to be controlled synchronously. Of course, the signal input end of the single chip microcomputer U can also be suspended and is not connected with the alternating current sampling module 8, and the synchronization of the LED lamp belts cannot be kept at the moment.

And a signal output end PB6 of the singlechip U is connected with a first protection resistor R11 and is connected to a signal input end of a second control unit L2 through the protection resistor R11.

The circuit structures of the second to nth control units L2 to Ln are similar to the first control unit L1, and only the differences are described below, and the non-described portions refer to the first control unit L1.

The first signal input end PB4 and the second signal input end PB5 of the second control unit L2 singlechip are combined and connected to a first protection resistor R11 on the signal output end PB6 of the first control unit L1 through a first sampling resistor R21. Similarly, the first signal input end PB4 and the second signal input end PB5 of the Nth control unit Ln singlechip are combined and connected to the protection resistor on the signal output end PB6 of the N-1 th control unit through the sampling resistor Rn 1.

The control principle of the utility model is as follows: the LED lamp strip comprises a plurality of control units, wherein the control unit at the highest level of the signal transmission sequence is the first control unit. The single chip microcomputer of the first control unit L1 can be used as the controller of the control unit and the main controller of the whole lamp strip at the same time, the signal output end PB6 outputs a control signal to the second control unit L2, the single chip microcomputer of the second control unit L2 transmits the control signal of the main controller to the single chip microcomputer of the lower control unit, and so on, the plurality of control units have the same main controller, and the main controller can control LED light among the plurality of control units to change alternately or synchronously, so that the effect of light color changing is realized. When the singlechip U of the first control unit L1 is connected to the ac sampling module 8, by collecting the ac signal of the commercial power, it is also possible to change the plurality of lamp strips connected to the same power grid in synchronization, and when the plurality of lamp strips need to be installed on the same large building, the decorative effect is better.

According to the utility model, the single chip microcomputer of the first control unit can be simultaneously used as the control unit controller and the main controller of the whole lamp strip, the signal input end and the signal output end of the single chip microcomputer between the control units are connected in series, and the lamp strip containing a plurality of control units is cut randomly and connected to 220V alternating current mains supply, so that the lamp light of each control unit in the lamp strip can be changed alternately or synchronously, the effect of changing the lamp light in an illusion-color manner is realized, the lamp light is changed more abundantly, and the decorative effect is better.

The above-mentioned embodiments only express several 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 a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a high pressure illusion-colour LED lamp area circuit which characterized in that: comprises a first control unit to an Nth control unit, wherein N is more than or equal to 2; the circuit structure of the control unit comprises a rectifying module, a voltage stabilizing module, a single chip microcomputer, a red light module with the working voltage of a switch module being 220V, a blue light module and a green light module; the input end of the rectification module is used for connecting commercial power, the output end of the rectification module is connected to the voltage stabilizing module, the red light module, the blue light module and the green light module, the output end of the voltage stabilizing module is connected to the single chip microcomputer, the output end of the single chip microcomputer is connected to the switch module, and the switch module controls the current switch and the intensity change of the red light module, the blue light module and the green light module; wherein, the signal output end of the (N-1) th control module singlechip is connected to the signal input end of the (N) th control module singlechip.

2. A high voltage magic color LED strip circuit according to claim 1, wherein: the rectifier module is the paster bridge heap, the paster bridge heap includes two alternating current input ends, the positive output end and the negative pole output end that are used for connecting the commercial power, the singlechip includes positive pole end, negative pole end, signal output part, first output, second output, third output, first signal input part and second signal input part.

3. A high voltage magic color LED strip circuit according to claim 2, wherein: the voltage stabilizing module comprises a first capacitor and a voltage stabilizing tube which are connected in parallel, and a voltage reducing resistor connected with the first capacitor and the voltage stabilizing tube in series, the voltage reducing resistor is connected to the anode output end of the patch bridge stack, the first capacitor and the voltage stabilizing tube are connected to the cathode output end of the patch bridge stack, the anode end of the single chip microcomputer is connected between the voltage reducing resistor and the voltage stabilizing tube, and the cathode end of the single chip microcomputer is connected to the cathode output end of the patch bridge stack.

4. A high voltage magic color LED strip circuit according to claim 2, wherein: the switch module comprises a first triode, a second triode and a third triode, the base electrodes of the first triode, the second triode and the third triode are respectively connected to the first output end, the second output end and the third output end of the single chip microcomputer through a fourth resistor, a fifth resistor and a sixth resistor, and the emitting electrodes of the first triode, the second triode and the third triode are connected to the negative electrode output end of the patch bridge stack; the anodes of the red light module, the green light module and the blue light module are connected to the anode output end of the patch bridge stack, and the cathodes of the red light module, the green light module and the blue light module are respectively connected to the collectors of the first triode, the second triode and the third triode.

5. A high voltage magic color LED strip circuit according to claim 1, wherein: the red light module is formed by connecting a plurality of red light LED lamp beads and a first resistor in series, the green light module is formed by connecting a plurality of green light LED lamp beads and a second resistor in series, and the blue light module is formed by connecting a plurality of blue light LED lamp beads and a third resistor in series.

6. A high voltage magic color LED strip circuit according to claim 2, wherein: the first control unit further comprises an alternating current sampling module connected to the first signal input end and the second signal input end of the single chip microcomputer.

7. The high voltage magic color LED strip circuit according to claim 6, wherein: the alternating current sampling module comprises a fourth triode, a seventh resistor and a second capacitor, wherein the seventh resistor and the second capacitor are connected to the base electrode of the fourth triode, the collector electrode of the fourth triode is connected to the first signal input end and the second signal input end of the single chip microcomputer, the emitter electrode of the fourth triode and the second capacitor are connected to the negative electrode output end of the patch bridge stack, and the seventh resistor is connected to one of the alternating current input ends of the patch bridge stack.