CN-224233878-U - Driving circuit of lamp capable of emitting light from multiple sides

CN224233878UCN 224233878 UCN224233878 UCN 224233878UCN-224233878-U

Abstract

The utility model provides a drive circuit of a multi-surface light-emitting lamp, which is provided with at least two independent light-emitting cavities, wherein each light-emitting cavity is internally provided with an independent light source module, so that at least two independent light-emitting areas are formed in the multi-surface light-emitting lamp, the drive circuit is provided with a direct-current output positive electrode and a direct-current output negative electrode, the light source modules are connected between the direct-current output positive electrode and the direct-current output negative electrode in parallel, and a resistor is connected between at least one light source module and the direct-current output positive electrode in series. The utility model can effectively solve the problem of uneven brightness of the existing partition luminous lamp panel, provides a drive circuit of the lamp with multi-surface luminous, ensures uniform and consistent luminous brightness of each area and improves the lighting effect.

Inventors

SU HAIDING
CHEN JIEXIANG
WU YANGHUI
CHEN YUXI

Assignees

厦门光莆电子股份有限公司
新加坡量能智创有限公司

Dates

Publication Date: 20260512
Application Date: 20250411

Claims (10)

1. A drive circuit of a multi-surface light-emitting lamp is characterized in that the multi-surface light-emitting lamp is provided with at least two independent light-emitting cavities; An independent light source module is arranged in each light-emitting cavity, so that at least two independent light-emitting areas are formed in the multi-surface light-emitting lamp; The driving circuit is provided with a direct current output positive electrode and a direct current output negative electrode, the light source modules are connected in parallel between the direct current output positive electrode and the direct current output negative electrode, and a resistor is connected in series between at least one light source module and the direct current output positive electrode.
2. The driving circuit of a multi-faceted light emitting luminaire of claim 1, wherein the multi-faceted light emitting luminaire comprises a lamp tray body; The lamp panel main body comprises at least one baffle plate, and the baffle plate is arranged inside the lamp panel along the height direction of the lamp panel to divide the inside of the lamp panel into at least two independent luminous cavities.
3. The driving circuit of a multi-surface light-emitting lamp according to claim 2, wherein the surface of the baffle is made of reflective materials.
4. The driving circuit of a multi-surface light emitting lamp according to claim 2, wherein the baffle plate and the lamp panel main body are of a detachable and split type structure.
5. The driving circuit of a multi-surface light emitting lamp according to claim 2, wherein the baffle is connected with the lamp panel body through a clamping connection or a bolt connection.
6. The driving circuit of a multi-surface light emitting lamp according to claim 2, wherein the cross section of the baffle is V-shaped or U-shaped.
7. The driving circuit of the multi-surface light-emitting lamp according to claim 6, wherein the baffle comprises a first connecting part and a second connecting part, the first connecting part is arranged at the bottom of the baffle, and the second connecting part is arranged at two sides of the V-shaped or U-shaped opening of the baffle; The lamp panel main body comprises a lamp panel frame and a lamp shade, the light source module is arranged on the frame, the lamp shade covers the light-emitting area, the first connecting portion is connected with the frame, and the second connecting portion is connected with the lamp shade.
8. The drive circuit of a multi-surface light-emitting lamp according to claim 2, wherein the interior of the lamp panel is divided into three independent light-emitting cavities by two baffles, and the three light-emitting cavities are distributed in a linear arrangement along the length direction of the lamp panel main body.
9. The driving circuit of a multi-surface light emitting lamp according to claim 8, wherein the two baffles are of a split baffle structure or an integrated baffle structure.
10. The drive circuit of the multi-surface light-emitting lamp of claim 2, wherein the baffle is of a cross-shaped structure, the interior of the lamp panel is divided into four independent light-emitting cavities by the cross-shaped baffle, and the four light-emitting cavities are distributed in a grid-shaped arrangement in the lamp panel main body.

Description

Driving circuit of lamp capable of emitting light from multiple sides Technical Field The present utility model relates to lighting devices, and more particularly, to a driving circuit for a multi-surface light-emitting lamp. Background In the field of modern lighting, a lamp panel is widely used as a common lighting device in large-scale high-rise buildings such as factory workshops, supermarkets, exhibition halls, gymnasiums, office areas and other lighting places. The main function of the device is to provide uniform and sufficient illumination for a specific area so as to meet the visual demands of people in work, study, life and the like. However, in the practical use process of the existing lamp panel, there is a technical problem to be solved in general, that is, a dark area is easily caused by the design of the whole light emitting surface. The traditional lamp panel mostly adopts a whole-surface luminous structure, and the design can cover a larger area, but the directivity of light is stronger, and the light is easy to be too strong in certain directions and insufficient in other directions, so that a dark area is formed. The lamp panel with the partitioned lighting also has the problem of inconsistent lighting brightness of each area, and poor appearance. Disclosure of utility model The utility model aims to provide a lamp capable of effectively solving the problem of uneven brightness of the existing partition luminous lamp panel, and provides a drive circuit of a multi-surface luminous lamp, which ensures uniform brightness of each area and improves the lighting effect. In order to solve the technical problems, the utility model provides a driving circuit of a multi-surface light-emitting lamp, wherein the multi-surface light-emitting lamp is provided with at least two independent light-emitting cavities; An independent light source module is arranged in each light-emitting cavity, so that at least two independent light-emitting areas are formed in the multi-surface light-emitting lamp; The driving circuit is provided with a direct current output positive electrode and a direct current output negative electrode, the light source modules are connected in parallel between the direct current output positive electrode and the direct current output negative electrode, and a resistor is connected in series between at least one light source module and the direct current output positive electrode. In a preferred embodiment, the multi-surface light emitting lamp comprises a lamp panel body; The lamp panel main body comprises at least one baffle plate, and the baffle plate is arranged inside the lamp panel along the height direction of the lamp panel to divide the inside of the lamp panel into at least two independent luminous cavities. In a preferred embodiment, the surface of the baffle is made of reflective material. In a preferred embodiment, the baffle plate and the lamp panel main body are of detachable and split type structure. In a preferred embodiment, the baffle plate is connected with the lamp panel main body through clamping or bolts. In a preferred embodiment, the cross section of the baffle is V-shaped or U-shaped. In a preferred embodiment, the baffle comprises a first connecting part and a second connecting part, wherein the first connecting part is arranged at the bottom of the baffle, and the second connecting part is arranged at two sides of the V-shaped or U-shaped opening of the baffle; The lamp panel main body comprises a lamp panel frame and a lamp shade, the light source module is arranged on the frame, the lamp shade covers the light-emitting area, the first connecting portion is connected with the frame, and the second connecting portion is connected with the lamp shade. In a preferred embodiment, the interior of the lamp panel is divided into three independent luminous cavities by two baffles, and the three luminous cavities are linearly arranged along the length direction of the lamp panel main body. In a preferred embodiment, the two baffles are of a split baffle structure or an integrated baffle structure. In a preferred embodiment, the baffle plate is of a cross-shaped structure, the inside of the lamp panel is divided into four independent luminous cavities by the cross-shaped baffle plate, and the four luminous cavities are distributed in a grid-shaped arrangement in the lamp panel main body. Compared with the prior art, the technical scheme of the utility model has the following beneficial effects: 1. The utility model provides a drive circuit of a lamp with multiple-surface light emission, which connects light source modules corresponding to all light emitting areas in parallel, and carries out current limiting through an adjustable resistor, so that the brightness of the light emitting areas connected with the adjustable resistor in series can be changed, and finally the brightness of all the areas tends to be consistent, thereby achieving the effect of uniform light e