CN218124984U

CN218124984U - Super-long cascaded LED lamp strip

Info

Publication number: CN218124984U
Application number: CN202221502736.5U
Authority: CN
Inventors: 黄浩; 伍铁军
Original assignee: Jiangmen Sikamp Technology Co ltd
Current assignee: Jiangmen Sikamp Technology Co ltd
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2022-12-23
Anticipated expiration: 2032-06-16

Abstract

The utility model provides a cascaded LED lamp strip of overlength, which comprises a circuit board, the electric unit of LED, it walks the line with the negative pole to be equipped with the positive pole on the circuit board and walks the line, the front end of circuit board is equipped with the positive input of first power and first power negative pole input, the rear end of circuit board is equipped with the positive input of second power and second power negative pole input, the positive input of first power, the positive input of second power links to each other with the line is walked to the positive pole respectively, first power negative pole input, the line is walked with the negative pole respectively to the second power negative pole input and is linked to each other, the line is walked to the positive pole and the negative pole is walked and is connected with the electric unit of LED between the line. The beneficial effects of the utility model are that: 1. the LED lamp strip of the utility model can lead the current of each LED lamp bead to be equal and the power consumption to be equal, thereby realizing the uniform brightness and the uniform heating of the whole lamp strip; 2. the utility model discloses a LED lamp strip overlength LED cascades lamp area and only needs a power, not only simple to operate but also can practice thrift the power cost.

Description

Super-long cascaded LED lamp strip

Technical Field

The utility model relates to a lamps and lanterns field especially relates to a LED lamp strip that overlength cascades.

Background

In the LED lighting industry, LED light bars are increasingly commonly accepted and widely used as linear lighting sources. The LED light bar is generally in a strip shape, the length of the LED light bar is from several centimeters to dozens of meters, and the electric carrier is generally a flexible circuit board or a hard circuit board. When the LED lamp is installed by a user, a power supply is generally connected to one end, and then the whole LED lamp works in a light-emitting mode after being electrified.

In the conventional circuit design of the existing LED, several problems which are difficult to avoid are solved: 1, due to the linear voltage drop of the current carrier, the brightness of the product is inconsistent from head to tail, and the end closer to the power supply is brighter; 2, in the installation process of a user, one power supply is used for five to ten meters, so that a large place can be frequently installed and used with a plurality of power supplies; 3, because all the current is input through the power supply end, the carrier heating close to the power supply end is far larger than that of the far end, thereby causing the light attenuation and the service life of the whole product to be inconsistent.

SUMMERY OF THE UTILITY MODEL

The utility model provides a LED lamp strip that overlength cascades, including circuit board, the electric unit of LED, it walks the line with the negative pole to be equipped with the positive pole on the circuit board to walk the line, the front end of circuit board is equipped with the positive input of first power and first power negative pole input, the rear end of circuit board is equipped with the positive input of second power and second power negative pole input, the positive input of first power the positive input of second power respectively with the positive pole is walked the line and is linked to each other, first power negative pole input the second power negative pole input respectively with the negative pole is walked the line and is linked to each other, the positive pole walk the line with the negative pole is walked and is connected with between the line the electric unit of LED.

As a further improvement of the utility model, the electrical unit of LED includes LED lamp cluster, constant current triode module, LED lamp cluster one end with the line links to each other is walked to the positive pole, the LED lamp cluster other end with the constant current triode module links to each other, the constant current triode module respectively with the positive pole walk the line the negative pole is walked the line and is linked to each other.

As a further improvement of the utility model, the triode module includes triode, resistance, the triode includes first triode, second triode, the resistance includes first resistance, second resistance, the anodal with the line is walked to the positive pole and is linked to each other, LED lamp cluster negative pole with the C of first triode extremely links to each other, the B of first triode extremely respectively with first resistance one end the E of second triode extremely links to each other, the E of first triode extremely respectively with the B of second triode extremely the second resistance one end links to each other.

The E pole of the second triode is respectively connected with the B pole of the first triode and one end of the first resistor, the B pole of the second triode is respectively connected with the E pole of the first triode and one end of the second resistor, and the C pole of the second triode is connected with the negative wire.

One end of the first resistor is connected with the B pole of the first triode and the E pole of the second triode respectively, and the other end of the first resistor is connected with the positive wiring.

One end of the second resistor is connected with the E pole of the first triode and the B pole of the second triode respectively, and the other end of the second resistor is connected with the negative electrode wiring.

As a further improvement of the utility model, the LED lamp string is formed by connecting a plurality of LED lamp beads in series.

As a further improvement of the present invention, the circuit board is a flexible circuit board.

As a further improvement of the present invention, the circuit board is a rigid circuit board.

As a further improvement of the present invention, the positive electrode is parallel to the negative electrode.

As a further improvement of the present invention, the anode wire and the cathode wire are connected with a plurality of LED electrical units.

The beneficial effects of the utility model are that: 1. the LED lamp strip of the utility model can lead the current of each LED lamp bead to be equal and the power consumption to be equal, thereby realizing the uniform brightness and the uniform heating of the whole lamp strip; 2. the LED lamp strip ultra-long LED cascade lamp strip of the utility model only needs one power supply, which is convenient to install and can save the power supply cost; 3. the utility model discloses a during the power supply of LED lamp strip bi-polar, the lamp area does realize that whole luminance is even and generate heat evenly, and the lamp area cascades length more than can reaching 100 meters this moment.

Drawings

Fig. 1 is a schematic block diagram of an LED light bar of the present invention connected by two LED electrical units;

fig. 2 is a schematic block diagram of a 2 nd embodiment of the present invention.

Detailed Description

As shown in fig. 1, as embodiment of the utility model discloses a LED lamp strip that overlength cascades, including circuit board, the electric unit of LED, it walks line 2 and negative pole and walks line 7 to be equipped with anodal line on the circuit board, anodal line 2 with the negative pole is walked line 7 and is parallel, the front end of circuit board is equipped with first power positive input 1 and first power negative input 6, the rear end of circuit board is equipped with second power positive input 5 and second power negative input 8, first power positive input 1 second power positive input 5 respectively with anodal line 2 links to each other is walked to the positive pole, first power negative input 6 second power negative input 8 respectively with the negative pole is walked line 7 and is linked to each other, anodal line 2 with the negative pole is walked and is connected with between the line 7 the electric unit of LED.

The LED electric unit comprises an LED lamp string 4 and a constant current triode module 3, one end of the LED lamp string 4 is connected with the positive wiring 2, the other end of the LED lamp string 4 is connected with the constant current triode module 3, and the constant current triode module 3 is respectively connected with the positive wiring 2 and the negative wiring 7.

The constant current triode module 3 comprises a triode and a resistor, the triode comprises a first triode 9 and a second triode 10, the resistor comprises a first resistor R11 and a second resistor R12, the positive pole of the LED lamp string 4 is connected with the positive pole wiring 2, the negative pole of the LED lamp string 4 is connected with the C pole of the first triode 9, the B pole of the first triode 9 is respectively connected with one end of the first resistor R11 and the E pole of the second triode 10, and the E pole of the first triode 9 is respectively connected with the B pole of the second triode 10 and one end of the second resistor R12.

The E pole of the second triode 10 is respectively connected with the B pole of the first triode 9 and one end of the first resistor R11, the B pole of the second triode 10 is respectively connected with the E pole of the first triode 9 and one end of the second resistor R12, and the C pole of the second triode 10 is connected with the negative wire 7.

One end of the first resistor R11 is connected to the B pole of the first triode 9 and the E pole of the second triode 10, respectively, and the other end of the first resistor R11 is connected to the positive wiring 2.

One end of the second resistor R12 is connected to the E pole of the first triode 9 and the B pole of the second triode 10, respectively, and the other end of the second resistor R12 is connected to the negative wiring 7.

The LED lamp string 4 is formed by connecting a plurality of LED lamp beads in series, and the number of the LED lamp beads is determined according to input voltage. Preferably, the LED lamp string comprises 13 LED lamp beads.

The quantity of triode among the triode module of constant current 3 is confirmed according to the power in lamp area, and preferred triode module of constant current 3 includes 2 triodes and 2 resistances, if lamp area power does the height a bit, then need to connect several triodes in parallel more, increase several triodes and resistance promptly more. When the first power supply positive input end 1 and the first power supply negative input end 6 of the LED lamp strip are electrified, the LED lamp strip 4 emits light and heats, the voltages at two ends of the tail end LED lamp bead are smaller and smaller due to the voltage drop of the current carrier along with the increase of the cascade length of the lamp strip, namely, the voltages between the positive electrode and the negative electrode are smaller and smaller due to the voltage drop caused by the impedance of the current carrier along with the increase of the length of the lamp strip, namely, the voltages loaded at two ends of each electrical unit are smaller and smaller along with the increase of the length, so that the difference of the brightness and the heating of the current carrier is caused; the LED lamp string 4 is connected with the positive wiring 2 and the negative wiring 7 of the circuit board through the constant current triode module 3 of the circuit board, so that the current of each LED lamp bead in the circuit design lamp strip is equal and the power consumption is equal, and the brightness uniformity and the heating uniformity of the whole lamp strip are realized.

In this embodiment, the circuit board may be a flexible circuit board and a rigid circuit board. Such as: FPC, aluminum substrate, FR4, etc.

As shown in fig. 2, as the 2 nd embodiment of the present invention, the 2 nd embodiment is a further improvement on the 1 st embodiment, and the LED electrical units can be added according to the requirement, and the added LED electrical units are cascaded with the LED electrical units adjacent to the front. The LED lamp strings 4 and the constant current triode module 3 are connected between the positive wire 2 and the negative wire 7.

Give the power supply of first power

positive input end

1 and 6 single-ended of first power negative input end, can realize that whole lamp area luminance is even and generate heat evenly by embodiment 1 this design, lamp area cascade length can reach more than 50 meters this moment, give first power positive input head end 1 and first power negative input end 6 and tail end second power

positive input end

5 and 8 when the double-ended power supply simultaneously of second power negative input end, the lamp area also can realize whole luminance evenly and generate heat evenly, lamp area cascade length can reach more than 100 meters this moment. The ultra-long LED cascade lamp strip only uses one power supply, so that the installation is convenient, and the power supply cost can be saved.

The utility model has the advantages that: 1. the LED lamp strip of the utility model can lead the current of each LED lamp bead to be equal and the power consumption to be equal, thereby realizing the uniform brightness and the uniform heating of the whole lamp strip; 2. the LED lamp strip ultra-long LED cascade lamp strip of the utility model only needs one power supply, which is convenient for installation and can save the power supply cost; 3. the utility model discloses a during the power supply of LED lamp strip bi-polar, the lamp area does realize that whole luminance is even and generate heat evenly, and the lamp area cascades length this moment and can reach more than 100 meters.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model discloses to the ordinary skilled person in technical field's the prerequisite that does not deviate from the utility model discloses under the design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. The utility model provides a cascaded LED lamp strip of overlength which characterized in that: including circuit board, LED electrical unit, it walks line (2) and negative pole and walks line (7) to be equipped with anodal line (2) on the circuit board, the front end of circuit board is equipped with first power positive input end (1) and first power negative input end (6), the rear end of circuit board is equipped with second power positive input end (5) and second power negative input end (8), first power positive input end (1) second power positive input end (5) respectively with anodal line (2) of walking link to each other, first power negative input end (6) second power negative input end (8) respectively with negative pole is walked line (7) and is linked to each other, anodal line (2) of walking with the negative pole is walked and is connected with between line (7) LED electrical unit.

2. The LED light bar of claim 1, wherein: the LED electric unit comprises LED lamp strings (4) and a constant current triode module (3), one end of each LED lamp string (4) is connected with the positive wiring (2), the other end of each LED lamp string (4) is connected with the constant current triode module (3), and the constant current triode module (3) is connected with the positive wiring (2) and the negative wiring (7) respectively.

3. The LED light bar of claim 2, wherein: the constant current triode module (3) comprises a triode and a resistor, the triode comprises a first triode (9) and a second triode (10), the resistor comprises a first resistor (R11) and a second resistor (R12),

the anode of the LED lamp string (4) is connected with the anode wiring (2), the cathode of the LED lamp string (4) is connected with the C electrode of the first triode (9), the B electrode of the first triode (9) is respectively connected with one end of the first resistor (R11) and the E electrode of the second triode (10), and the E electrode of the first triode (9) is respectively connected with the B electrode of the second triode (10) and one end of the second resistor (R12);

the E pole of the second triode (10) is respectively connected with the B pole of the first triode (9) and one end of the first resistor (R11), the B pole of the second triode (10) is respectively connected with the E pole of the first triode (9) and one end of the second resistor (R12), and the C pole of the second triode (10) is connected with the negative wiring (7);

one end of the first resistor (R11) is respectively connected with the B pole of the first triode (9) and the E pole of the second triode (10), and the other end of the first resistor (R11) is connected with the positive wiring (2);

one end of the second resistor (R12) is connected with the E pole of the first triode (9) and the B pole of the second triode (10) respectively, and the other end of the second resistor (R12) is connected with the negative wiring (7).

4. The LED light bar of claim 2, wherein: the LED lamp string (4) is formed by connecting a plurality of LED lamp beads in series.

5. The LED light bar of claim 1, wherein: the circuit board is a flexible circuit board.

6. The LED light bar of claim 1, wherein: the circuit board is a rigid circuit board.

7. The LED light bar of claim 1, wherein: the positive electrode wiring (2) and the negative electrode wiring (7) are parallel.

8. The LED light bar of any one of claims 1 to 7, wherein: and a plurality of LED electric units are connected between the anode wire (2) and the cathode wire (7).