CN219102927U

CN219102927U - Novel LED lamp area

Info

Publication number: CN219102927U
Application number: CN202320136242.8U
Authority: CN
Inventors: 刘瑞平
Original assignee: Zhongshan Pinto Lighting Technology Co ltd
Current assignee: Zhongshan Pinto Lighting Technology Co ltd
Priority date: 2023-01-13
Filing date: 2023-01-13
Publication date: 2023-05-30
Anticipated expiration: 2033-01-13

Abstract

The utility model discloses a novel LED lamp strip, which comprises a strip-shaped wrapping layer, wherein an accommodating cavity is arranged in the wrapping layer, a strip-shaped PCB circuit board is arranged in the accommodating cavity, a plurality of luminous lamp beads are distributed on the PCB circuit board, wires for connecting anodes of the luminous lamp beads are arranged in the PCB circuit board, positive wiring ends are reserved at the first end and the last end, wires for connecting cathodes of the luminous lamp beads are arranged in the PCB circuit board, negative wiring ends are reserved at the first end and the last end, a bridging wire is further arranged in the accommodating cavity, the first end of the bridging wire is positioned at the first end of the PCB circuit board, and the tail end of the bridging wire extends to the tail end of the PCB circuit board and is used for connecting the positive wiring ends or the negative wiring ends of the PCB circuit board.

Description

Novel LED lamp area

[ field of technology ]

The utility model particularly relates to a novel LED lamp strip.

[ background Art ]

The LED strip is generally elongated and capable of emitting light, and can be used as a decorative lamp in various environments and can be bent into various shapes. The LED lamp strip generally includes the leaded light parcel layer, is equipped with the PCB board in the parcel layer, also known as printed circuit board or printed circuit board, has arranged a plurality of luminous lamp pearl on the PCB board, and the inside printed wire that is equipped with of PCB board and connects whole lamp pearl electrode is and be used for connecting the positive terminal of power supply line negative pole at both ends, and the parcel layer wraps up the PCB board wherein forms a rectangular shape structure, shines out through leaded light parcel layer when the lamp pearl is luminous, forms the luminous effect of bar.

In use, the LED lamp strip is generally connected with a power supply anode and a power supply cathode at two ends, namely the wiring terminals at two ends of the PCB board are used for connecting a power supply circuit, so that all lamp beads form a parallel circuit. However, the longer the wire, the larger the circuit voltage drop due to the unavoidable existence of the resistor in the wire, so that the power supply line is provided at one end of the LED lamp strip. The more the lamp bead far from the end is, the more obvious the pressure drop effect is, and the obvious phenomenon of different brightness of the lamp beads at different positions of the whole LED lamp strip is caused, and the phenomenon causes the poor using effect of the product, the difficulty in making the product long and the like. This defect is alleviated in high voltage type LED strip products, but still is evident in low voltage type LED strip products.

The present utility model has been made in view of the above-described drawbacks.

[ utility model ]

The utility model aims to overcome the defects of the prior art and provide the novel LED lamp strip which can ensure that the brightness of a product is uniform without improving the voltage of the product.

The utility model is realized by the following technical scheme:

the utility model provides a novel LED lamp area, including rectangular parcel layer, the parcel in be equipped with and hold the chamber, hold the intracavity and be equipped with rectangular PCB circuit board, PCB circuit board on distribute a plurality of luminous lamp pearls, PCB circuit board in be equipped with and connect each positive wire of luminous lamp pearl and leave positive terminal at first end both ends, PCB circuit board in be equipped with the wire of connecting each luminous lamp pearl negative pole and leave the negative terminal at first end both ends, hold the intracavity and still be equipped with bridging wire, the first end of bridging wire be located the first end of PCB circuit board, and the end of bridging wire extend to the terminal of PCB circuit board and then be used for connecting the terminal positive terminal or the negative terminal of PCB circuit board.

The novel LED lamp strip is characterized in that the luminous lamp beads are arranged on the upper side of the PCB, and the bridging wires are arranged below the PCB.

The novel LED lamp strip is characterized in that a light blocking layer for blocking light is arranged between the lower side of the PCB and the lower part of the wrapping layer.

The novel LED lamp strip is characterized in that a cushion block for supporting the PCB is arranged on the upper side of the light blocking layer, and the bridging wire is arranged between the light blocking layer and the PCB.

The novel LED lamp strip is characterized in that the side wall of the accommodating cavity is provided with the pressing-down jacking block which is arranged above the PCB and can be propped against the PCB.

The novel LED lamp strip is characterized in that a light diffusion space is reserved between the top of the upper side of the PCB circuit board and the upper side surface of the accommodating cavity, or the wrapping layer is provided with a light diffusion cavity above the PCB circuit board.

As for the novel LED lamp strip, the top of the wrapping layer is of an arc-shaped or elliptic curved surface structure.

The novel LED lamp strip is characterized in that two pressing jacking blocks are arranged, the two pressing jacking blocks are respectively arranged on two sides of the accommodating cavity, and the surfaces of the pressing jacking blocks are arc-shaped.

The novel LED lamp strip is characterized in that the bridging wires are copper wires.

Compared with the prior art, the utility model has the following advantages:

when the LED lamp strip is used, one electrode of the power supply circuit is connected with the tail end of the PCB circuit board through the bridging wire, the other electrode is connected with the head end of the PCB circuit board, so that the sum of the lengths of the positive and negative wires of each luminous lamp bead is basically equal, the influence of different voltage drops caused by inconsistent wire resistances of part of the lamp beads is eliminated, the brightness of each luminous lamp bead can be kept consistent, the brightness of a product is uniform, the length of the product can be made longer, and the LED lamp strip can be applied to a low-voltage LED lamp strip scene and can keep uniform brightness.

[ description of the drawings ]

Fig. 1 is a perspective view of an LED strip of the first embodiment;

FIG. 2 is a cross-sectional view of an LED light strip of the first embodiment;

fig. 3 is a schematic structural diagram of a PCB circuit board according to the first embodiment;

fig. 4 is a schematic diagram of a connection principle of a PCB circuit board and a bridge wire according to the first embodiment;

fig. 5 is a schematic diagram of the working principle of the first embodiment;

FIG. 6 is a cross-sectional view of an LED light strip of embodiment two;

fig. 7 is a sectional view of an LED strip of the third embodiment.

[ detailed description ] of the utility model

The utility model is further described below with reference to the accompanying drawings:

the orientations described in the specification of the present utility model, such as "upper", "lower", "left", "right", "front", "rear", etc., are based on the orientations of the figures, and are for the purpose of describing relationships between components, and are not intended to indicate unique or absolute positional relationships between the components, but are merely one embodiment of the present utility model, and are not intended to limit embodiments thereof.

Embodiment one:

as shown in fig. 1 and fig. 2, a novel LED lamp strip includes a strip-shaped wrapping layer 1, the wrapping layer 1 in be equipped with and hold chamber 10, hold chamber 10 in be equipped with rectangular PCB circuit board 2, PCB circuit board 2 on distribute a plurality of luminous lamp pearls 3, as shown in fig. 3, printed on PCB circuit board 2 has wire a, wherein have the wire connect each luminous lamp pearl 3 positive pole and leave positive terminal 21 at first end both ends, wherein have the wire connect each luminous lamp pearl 3 negative pole and leave negative terminal 22 at first end both ends, as shown in fig. 2 and fig. 4, hold chamber 10 in still be equipped with bridging wire 5, the first end of bridging wire 5 be located PCB circuit board 2's first end, and bridging wire 5's end extend to PCB circuit board 2 end and then be used for connecting the terminal 21 of PCB circuit board 2 or negative terminal 22. When in use, when the tail end of the bridging wire 5 is connected with the positive terminal 21 at the tail end of the PCB 2, the positive electrode of the power supply circuit is connected with the head end of the bridging wire 5, and the negative electrode is connected with the negative terminal 22 at the head end of the PCB 2, as shown in FIG. 4; conversely, when the end of the bridging wire 5 is connected to the negative terminal 22 at the end of the PCB 2, the negative electrode of the power supply line is connected to the front end of the bridging wire 5, and the positive electrode is connected to the positive terminal 21 at the front end of the PCB 2. While the end of the bridging wire 5 may be provided with an extension to connect the positive terminal 21 or the negative terminal 22 of the end of the PCB 2, or may be connected to the positive terminal 21 or the negative terminal 22 of the end of the PCB 2 by metal or wire. As shown in fig. 5, which is a simplified schematic diagram after circuit connection, one electrode of the power supply circuit is connected to the tail end of the PCB circuit board through a bridging wire, and the other electrode is connected to the head end of the PCB circuit board, so that the sum of the lengths of the positive and negative wires of each light-emitting lamp bead 3 is kept basically equal, the influence of the pressure drop difference caused by the inconsistent wire resistances of part of the lamp beads is eliminated, the brightness of each light-emitting lamp bead 3 can be kept consistent, the brightness of the product is uniform, the length of the product can be made longer, and the light-emitting lamp bead can be applied to a low-voltage type LED lamp strip scene and the brightness is kept uniform.

As a preferred structure, as shown in fig. 2, the light-emitting lamp beads 3 are disposed on the upper side of the PCB 2, and the bridging wires 5 are disposed below the PCB 2, which is beneficial to production and heat dissipation.

As a preferred structure, as shown in fig. 2, a light blocking layer 4 for blocking light is arranged between the lower side of the PCB 2 and the lower part of the wrapping layer 1, so that light can be blocked downwards, and most of the light is reflected upwards by reflection, thereby improving efficiency.

As a preferable structure, as shown in fig. 2, a cushion block 6 for supporting the PCB 2 is disposed on the upper side of the light blocking layer 4, the cushion block 6 supports the PCB 2, a space is left between the light blocking layer 4 and the PCB 2, and the bridging wires 5 are disposed between the light blocking layer 4 and the PCB 2.

As a preferable structure, as shown in fig. 2, a pressing top block 11 located above the PCB circuit board 2 and capable of propping against the PCB circuit board 2 is arranged on a side wall of the accommodating cavity 10, and the PCB circuit board 2 is supported upwards by the cushion block 6 and then is propped against the PCB circuit board 2 downwards by the pressing top block 11, so that the PCB circuit board 2 is stably and firmly installed.

As a preferred structure, as shown in fig. 2, a light diffusion space 101 is left between the top of the upper side of the PCB 2 and the upper surface of the accommodating cavity 10, so that the light is more diffused and softened when exiting from the product.

As a preferred structure, as shown in fig. 1 and 2, the top of the wrapping layer 1 is in an arc or oval curved structure, so that the light is more divergent when exiting from the product.

Preferably, two pressing top blocks 11 are provided, the two pressing top blocks 11 are respectively arranged at two sides of the accommodating cavity 10, and the surface of each pressing top block 11 is an arc-shaped surface, so that the installation is convenient.

Preferably, the bridge wire 5 may be a copper wire such as a copper wire or a copper encapsulated wire, so as to reduce the resistance of the bridge wire 5 itself.

Embodiment two:

the novel LED strip is different from the embodiment in that, as shown in fig. 6 and 7, the wrapping layer 1 is provided with a light diffusion cavity 102 above the PCB circuit board 2, so that light rays can generate more reflection and refraction through the light diffusion cavity 102, and the light emitted by the final product is more divergent and softer.

Embodiment III:

the novel LED strip is different from the second embodiment in that, as shown in fig. 7, an uneven scattering surface B is provided on the upper surface of the light diffusion cavity 102. In addition, the shape of the LED light strip may be circular, elliptical, or rectangular in cross-section as shown in fig. 7.

The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims

1. The utility model provides a novel LED lamp area which characterized in that: including rectangular parcel layer (1), parcel layer (1) in be equipped with and hold chamber (10), hold chamber (10) in be equipped with rectangular PCB circuit board (2), PCB circuit board (2) on distribute a plurality of luminous lamp pearls (3), PCB circuit board (2) in be equipped with and connect the anodal wire of each luminous lamp pearl (3) and leave anodal wiring end (21) at first end both ends, PCB circuit board (2) in be equipped with the wire of connecting each luminous lamp pearl (3) negative pole and leave negative pole wiring end (22) at first end both ends, hold chamber (10) in still be equipped with bridging wire (5), the first end of bridging wire (5) be located the first end of PCB circuit board (2), the terminal of bridging wire (5) extend to PCB circuit board (2) terminal and then be used for connecting anodal wiring end (21) or negative pole wiring end (22) of PCB circuit board (2).

2. The novel LED strip of claim 1, wherein: the luminous lamp beads (3) are arranged on the upper side of the PCB (2), and the bridging wires (5) are arranged below the PCB (2).

3. The novel LED strip of claim 2, wherein: a light blocking layer (4) for blocking light is arranged between the lower side of the PCB (2) and the lower part of the wrapping layer (1).

4. The novel LED strip of claim 3, wherein: the upper side of the light blocking layer (4) is provided with a cushion block (6) for supporting the PCB (2), and the bridging wire (5) is arranged between the light blocking layer (4) and the PCB (2).

5. The novel LED strip of claim 4, wherein: the side wall of the accommodating cavity (10) is provided with a pressing down jacking block (11) which is positioned above the PCB (2) and can be propped against the PCB (2).

6. The novel LED strip of claim 2, wherein: a light diffusion space (101) is reserved between the top of the upper side of the PCB circuit board (2) and the upper side surface of the accommodating cavity (10), or the wrapping layer (1) is provided with a light diffusion cavity (102) above the PCB circuit board (2).

7. The novel LED strip of claim 2, wherein: the top of the wrapping layer (1) is of an arc-shaped or elliptic curved surface structure.

8. The novel LED strip of claim 5, wherein: the two lower jacking blocks (11) are arranged, the two lower jacking blocks (11) are respectively arranged at two sides of the accommodating cavity (10), and the surfaces of the lower jacking blocks (11) are arc-shaped surfaces.

9. The novel LED strip of claim 1, wherein: the bridging wire (5) is a copper wire.