CN219305075U

CN219305075U - Diffuse reflection LED lamp strip

Info

Publication number: CN219305075U
Application number: CN202320415406.0U
Authority: CN
Inventors: 许基柒; 胡贤文
Original assignee: Sichuan Xiangneng Photoelectric Technology Co ltd
Current assignee: Sichuan Xiangneng Photoelectric Technology Co ltd
Priority date: 2023-03-08
Filing date: 2023-03-08
Publication date: 2023-07-04
Anticipated expiration: 2033-03-08

Abstract

The utility model belongs to the technical field of LED illumination, and discloses a diffuse reflection LED lamp strip, which comprises a lamp panel, wherein the starting end of the lamp panel is provided with a power input interface, the tail end of the lamp panel is provided with a power output interface, a plurality of LED lamp beads are connected in parallel on the lamp panel, and an optical lens is arranged on the upper cover of each LED lamp bead; the lamp panel is provided with a constant current driving chip, one end of the parallel LED lamp beads is connected with a power input interface, the other end of the parallel LED lamp beads is connected with the constant current driving chip, and the power input interface is electrically connected with the constant current driving chip and a power output interface respectively. The diffuse reflection LED lamp strip provided by the utility model is designed to be formed by connecting a plurality of LED lamp beads in parallel, and the constant current driving chip is designed on the lamp panel, so that the cost is reduced, the energy consumption consumed on the current limiting resistor can be reduced, the utilization rate of energy sources is effectively improved, and the purposes of energy conservation and emission reduction are realized.

Description

Diffuse reflection LED lamp strip

Technical Field

The utility model belongs to the technical field of LED illumination, and particularly relates to a diffuse reflection LED lamp strip.

Background

A plurality of advertising light boxes are arranged in areas with large population flow, such as subways, railway stations, bus stations and squares, most of traditional light sources adopt an LED back lighting mode, 25% of electric energy is converted into radiant energy and heat energy through a current limiting resistor to be wasted when the light sources emit light, the advertising light boxes with the power consumption of 100000 square meters are assumed to be 55W/square meter, the advertising light boxes are averagely lighted for 10 hours every day, 1650K degrees are consumed every month, the power consumption on the current limiting resistor reaches 412.5K degrees, and great economic loss is caused.

Disclosure of Invention

The present utility model aims to solve the above technical problems at least to some extent. Therefore, the utility model aims to provide a diffuse reflection LED light bar.

The technical scheme adopted by the utility model is as follows:

the diffuse reflection LED lamp strip comprises a lamp panel, wherein a power input interface is arranged at the initial end of the lamp panel, a power output interface is arranged at the tail end of the lamp panel, a plurality of LED lamp beads are connected in parallel on the lamp panel, and an optical lens is arranged on the upper cover of each LED lamp bead; the lamp panel is provided with a constant current driving chip, one end of the parallel LED lamp beads is connected with a power input interface, the other end of the parallel LED lamp beads is connected with the constant current driving chip, and the power input interface is electrically connected with the constant current driving chip and a power output interface respectively.

Preferably, the lamp panel is also provided with a dimming signal input interface and a dimming signal output interface, one part of dimming signals led in by the dimming signal input interface is connected with the signal input end of the constant current driving chip after passing through the signal input resistor, and the other part of dimming signals is connected with the dimming signal output interface after passing through the signal output resistor.

Preferably, a voltage dividing resistor is arranged on a connection circuit of the constant current driving chip and the power output interface.

Preferably, the lamp panel is further provided with an anti-surge capacitor and a current setting resistor, and the anti-surge capacitor and the current setting resistor are electrically connected with the constant current driving chip.

Preferably, the power input interface is a DC24 input pad, the power output interface is a DC24 output pad, and the rated voltage of the LED lamp beads is 21V.

Preferably, a fuse is arranged between the power input interface and the parallel LED lamp beads.

The beneficial effects of the utility model are as follows:

the diffuse reflection LED lamp strip provided by the utility model is designed to be formed by connecting a plurality of LED lamp beads in parallel, and the constant current driving chip is designed on the lamp panel, so that the cost is reduced, the energy consumption consumed on the current limiting resistor can be reduced, the utilization rate of energy sources is effectively improved, and the purposes of energy conservation and emission reduction are realized.

Drawings

Fig. 1 is a schematic diagram of a diffuse reflecting LED light bar in a first embodiment.

Fig. 2 is a schematic diagram of a diffuse reflection LED light bar in a second embodiment.

In the figure: 1-a lamp panel; 2-a power input interface; 3-a power output interface; 4-LED lamp beads; 5-an optical lens; 6-a constant current driving chip; 7-a voltage dividing resistor; 8-an anti-surge capacitor; 9-current setting resistance; 10-a fuse; 11-a dimming signal input interface; 12-a dimming signal output interface; 13-a signal input resistor; 14-signal output resistor.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

In the description of the embodiments of the present utility model, it should be noted that, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship conventionally put in place when the product of the present utility model is used, or the orientation or positional relationship conventionally understood by those skilled in the art is merely for convenience of describing the present utility model and simplifying the description, and is not indicative or implying that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements.

The utility model will be further described with reference to the drawings and specific examples.

Example 1

As shown in fig. 1, the diffuse reflection LED light bar of the present embodiment includes a light panel 1, which uses a high-quality aluminum substrate with a high thermal conductivity to improve the heat dissipation effect; the lamp panel 1 is connected with a plurality of LED lamp beads 4 in parallel, and each LED lamp bead 4 is covered by an optical lens 5; the LED lamp beads are connected in parallel, so that the influence on the overall effect caused by the false welding or failure of the individual LED lamp beads is avoided, and the LED lamp strip works more stably and reliably. The optical lens is made of transparent polycarbonate or acrylic material, required luminosity distribution is manufactured through a die and sleeved on the LED lamp beads, and the optical lens is adhered to the lamp panel through an adhesive to obtain a required beam angle.

The starting end of the lamp panel 1 is provided with a power input interface 2, the tail end of the lamp panel 1 is provided with a power output interface 3, the lamp panel 1 is provided with a constant current driving chip 6, one end of the parallel LED lamp beads 4 is connected with the power input interface 2, the other end of the parallel LED lamp beads is connected with the constant current driving chip 6, and the power input interface 2 is electrically connected with the constant current driving chip 6 and the power output interface 3 respectively. The power input interface 2 is used for being connected with an external power supply to introduce electric energy, a fuse 10 is arranged between the power input interface 2 and the parallel LED lamp beads 4, the fuse is in a patch fusing type to protect the LED lamp beads, one part of the electric energy introduced by the power input interface 2 is supplied to the LED lamp beads through the fuse, and the other part of the electric energy is transmitted to the power output interface at the tail end through the main line and simultaneously provides electric energy for the constant current driving chip.

A voltage dividing resistor 7 is arranged on a connection circuit between the constant current driving chip 6 and the power output interface 3. The lamp panel 1 is also provided with an anti-surge capacitor 8 and a current setting resistor 9, and the anti-surge capacitor 8 and the current setting resistor 9 are electrically connected with the constant current driving chip 6. The constant current driving chip adopts a single-channel linear constant current driving chip, the working voltage of the constant current driving chip is obtained through a voltage dividing resistor so as to improve the working stability, the working current is set through a current setting resistor, and an anti-surge capacitor is adopted to avoid damage caused by impact of transient current or voltage.

The power input interface 2 is a DC24 input pad, the power output interface 3 is a DC24 output pad, the rated voltage of the LED lamp beads 4 is 21V, the LED lamp beads select color temperature according to requirements, and the LED lamp beads are adhered to the corresponding pads of the lamp panel through soldering tin. Compared with similar products, the power consumption of the current limiting resistor is saved by 50% by adopting 24V input voltage and 21V LED lamp beads, namely the electric energy waste ratio of the whole lamp is reduced from 25% to 12.5%; meanwhile, the 21VLED lamp beads which are close to the input voltage DC24V are adopted, so that the impact on the LED lamp beads during power switching is reduced.

Example two

As shown in fig. 2, the diffuse reflection LED light bar of the present embodiment is further provided with a dimming signal input interface 11 and a dimming signal output interface 12 on the lamp panel 1 on the basis of the first embodiment, a part of the dimming signal introduced by the dimming signal input interface 11 is connected to the signal input end of the constant current driving chip 6 after passing through the signal input resistor 13, and the other part is connected to the dimming signal output interface 12 after passing through the signal output resistor 14, so that the power switch and the power regulation can be set by the control system, and the best energy saving can be achieved.

The signal input resistor and the signal output resistor are chip resistors, so that anti-interference and short-circuit protection are realized.

The utility model is not limited to the above-described alternative embodiments, and any person who may derive other various forms of products in the light of the present utility model, however, any changes in shape or structure thereof, all falling within the technical solutions defined in the scope of the claims of the present utility model, fall within the scope of protection of the present utility model.

Claims

1. The utility model provides a diffuse reflection LED lamp strip which characterized in that: the LED lamp comprises a lamp panel (1), wherein a power input interface (2) is arranged at the initial end of the lamp panel (1), a power output interface (3) is arranged at the tail end of the lamp panel (1), a plurality of LED lamp beads (4) are connected in parallel on the lamp panel (1), and an optical lens (5) is arranged on the upper cover of each LED lamp bead (4); the LED lamp comprises a lamp panel (1), wherein a constant current driving chip (6) is arranged on the lamp panel (1), one end of an LED lamp bead (4) connected in parallel is connected with a power input interface (2), the other end of the LED lamp bead is connected with the constant current driving chip (6), and the power input interface (2) is electrically connected with the constant current driving chip (6) and a power output interface (3) respectively.

2. The diffuse reflecting LED light bar of claim 1, wherein: the lamp panel (1) is also provided with a dimming signal input interface (11) and a dimming signal output interface (12), one part of dimming signals introduced by the dimming signal input interface (11) is connected with the signal input end of the constant current driving chip (6) after passing through the signal input resistor (13), and the other part of dimming signals is connected with the dimming signal output interface (12) after passing through the signal output resistor (14).

3. The diffuse reflecting LED light bar of claim 1, wherein: and a voltage dividing resistor (7) is arranged on a connection circuit of the constant current driving chip (6) and the power output interface (3).

4. The diffuse reflecting LED light bar of claim 1, wherein: the lamp panel (1) is also provided with an anti-surge capacitor (8) and a current setting resistor (9), and the anti-surge capacitor (8) and the current setting resistor (9) are electrically connected with the constant current driving chip (6).

5. The diffuse reflecting LED light bar of claim 1, wherein: the power input interface (2) is a DC24 input pad, the power output interface (3) is a DC24 output pad, and the rated voltage of the LED lamp beads (4) is 21V.

6. The diffuse reflecting LED light bar of claim 1, wherein: and a fuse (10) is arranged between the power input interface (2) and the parallel LED lamp beads (4).