Driving circuit of lamp capable of emitting light from multiple surfaces

Abstract

The utility model provides a driving circuit of a multi-surface light-emitting lamp. 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 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 lamp can effectively solve the problem that the brightness of an existing partitioned light-emitting lamp panel is not uniform, the driving circuit of the multi-face light-emitting lamp is provided, it is guaranteed that the brightness of all regions is uniform and consistent, and the lighting effect is improved.

Description

Technical Field

[0001] This utility model relates to lighting devices, and more particularly to a driving circuit for a multi-faceted light-emitting lamp. Background Technology

[0002] In the field of modern lighting, light panels, as a common lighting device, are widely used in large high-rise buildings such as factory workshops, large supermarkets, exhibition halls, stadiums, office areas, and other lighting locations. Their main function is to provide uniform and sufficient lighting to specific areas to meet people's visual needs in work, study, and daily life. However, existing light panels generally suffer from a pressing technical problem in practical use: the design of emitting light from an entire surface easily leads to dark areas in the light source.

[0003] Traditional light panels mostly use a single-surface illumination structure. While this design can cover a large area, the light is highly directional, easily resulting in excessive light in some directions and insufficient light in others, creating dark areas. Similarly, zoned light panels also suffer from inconsistent brightness across different zones, leading to a less than ideal visual experience. Utility Model Content

[0004] The present invention aims to provide a lamp that can effectively solve the problem of uneven brightness in existing zoned light panels, and to provide a driving circuit for a multi-faceted light-emitting lamp to ensure uniform brightness in each zone and improve the lighting effect.

[0005] To solve the above-mentioned technical problems, this utility model provides a driving circuit for a multi-faceted light-emitting lamp, wherein the multi-faceted light-emitting lamp has at least two independent light-emitting cavities;

[0006] Each of the light-emitting cavities is provided with an independent light source module, so that at least two independent light-emitting areas are formed within the multi-faceted light-emitting lamp.

[0007] The driving circuit has a DC output positive and negative terminal, the light source module is connected in parallel between the DC output positive and negative terminal, and at least one of the light source modules is connected in series with the DC output positive terminal.

[0008] In a preferred embodiment: the multi-faceted light-emitting lamp includes a lamp panel body;

[0009] The lamp panel body includes at least one baffle plate, which is disposed inside the lamp panel along the height direction, dividing the interior of the lamp panel into at least two independent light-emitting cavities.

[0010] In a preferred embodiment: the surface of the baffle is made of a reflective material.

[0011] In a preferred embodiment, the baffle and the lamp panel body are detachable and separate structures.

[0012] In a preferred embodiment, the baffle is connected to the lamp panel body by snap-fit ​​or bolts.

[0013] In a preferred embodiment, the cross-section of the baffle is V-shaped or U-shaped.

[0014] In a preferred embodiment: the baffle includes a first connecting portion and a second connecting portion, the first connecting portion being disposed at the bottom of the baffle, and the second connecting portion being disposed on both sides of the V-shaped or U-shaped opening of the baffle;

[0015] The lamp panel body includes a lamp panel frame and a lampshade; the light source module is installed on the frame, and the lampshade covers the light-emitting area; the first connecting part is connected to the frame, and the second connecting part is connected to the lampshade.

[0016] In a preferred embodiment: the interior of the lamp panel is divided into three independent light-emitting cavities by the two baffles; the three light-emitting cavities are arranged linearly along the length of the lamp panel body.

[0017] In a preferred embodiment: the two baffles are either separate baffle structures or integrated baffle structures.

[0018] In a preferred embodiment: the baffle is a cross-shaped structure; the interior of the lamp panel is divided into four independent light-emitting cavities by the cross-shaped baffle; the four light-emitting cavities are arranged in a grid pattern within the lamp panel body.

[0019] Compared with the prior art, the technical solution of this utility model has the following beneficial effects:

[0020] 1. This utility model provides a driving circuit for a multi-faceted light-emitting lamp, which connects the light source modules corresponding to each light-emitting area in parallel and limits the current through an adjustable resistor, thereby changing the brightness of those light-emitting areas connected in series with the adjustable resistor, and finally making the brightness of each area tend to be consistent, achieving a uniform light output effect. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the internal structure of the lamp panel body after disassembly in the first embodiment;

[0022] Figure 2 This is a structural diagram of the main body of the lamp panel in the first embodiment;

[0023] Figure 3 This is a schematic diagram of the installation of the internal baffle of the lamp panel body in the first embodiment;

[0024] Figure 4This is a schematic diagram showing the installation of various components on the lamp panel frame in the first embodiment;

[0025] Figure 5 This is a structural diagram of the split baffle in the first embodiment;

[0026] Figure 6 This is a structural diagram of the integrated baffle in the first embodiment;

[0027] Figure 7 This is a diagram showing the linear arrangement of three independent light-emitting cavities in the second embodiment;

[0028] Figure 8 This is a structural diagram of the main body of the lamp panel in the second embodiment;

[0029] Figure 9 This is a diagram showing the grid arrangement of the four independent light-emitting cavities in the third embodiment;

[0030] Figure 10 This is a structural diagram of the main body of the lamp panel in the third embodiment;

[0031] Figure 11 This is a schematic diagram of the driving circuit in the fourth embodiment;

[0032] Figure 12 This is a schematic diagram of the driving circuit in the fifth embodiment.

[0033] Explanation of reference numerals in the attached drawings: 1. Main body of the lamp panel; 11. Light-emitting cavity; 12. Light-emitting area; 13. Frame; 14. Lampshade; 2. Baffle; 21. First connecting part; 22. Second connecting part; 23. Bolt connection; 3. Light source module; 4. Power supply module. Detailed Implementation

[0034] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0035] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0036] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed", "equipped with", "sleeved / connected", "connected", etc., should be interpreted broadly. For example, "connection" can be a wall-mounted connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0037] First embodiment, reference Figures 1-6 .

[0038] This embodiment provides a multi-faceted light-emitting lamp, including a lamp panel body 1; the lamp panel body 1 includes at least one baffle 2, which is disposed inside the lamp panel along the height direction, dividing the interior of the lamp panel into at least two independent light-emitting cavities 11; each light-emitting cavity 11 is provided with an independent light source module 3, so that at least two independent light-emitting areas 12 are formed within the lamp panel body 1, and the light-emitting areas 12 form a light-emitting surface (e.g., Figure 1 ).

[0039] In this embodiment, the interior of the lamp panel is divided into several independent light-emitting cavities 11 by using several baffles 2. Preferably, the lamp panel is divided into three independent cavities by using two baffles 2 (e.g., Figure 3 This design creates three independent light-emitting areas, employing a three- or multi-sided light-emitting design, which changes the traditional single-sided light-emitting pattern of light panels. By dividing the light-emitting surface into multiple independent areas, the distribution of light can be controlled more flexibly, avoiding the problem of dark areas at the edges caused by concentrated light sources in traditional designs.

[0040] The surface of the baffle 2 is made of a reflective material. The multi-faceted light-emitting surfaces are separated by baffles (e.g., Figure 4 The baffle 2 not only isolates different light-emitting surfaces, but also effectively reflects light. This design can reflect light that might otherwise be directly incident on the back of the baffle 2 or wasted, back to the area that needs illumination, thereby increasing the efficiency of light utilization and reducing the formation of dark areas.

[0041] In this embodiment, the baffle 2 and the lamp panel body 1 are detachable and separate structures. The baffle 2 and the lamp panel body 1 are connected by snap-fit ​​or bolts 23 (e.g., Figure 4 It facilitates assembly and maintenance, and baffle 2 can be quickly replaced or adjusted according to actual needs, improving the efficiency of assembly and maintenance.

[0042] The baffle 2 has a V-shaped or U-shaped cross-section. This V-shaped or U-shaped design allows light to be effectively reflected and diffused, concentrating it onto specific areas, improving the uniformity of lighting, and reducing the formation of dark areas.

[0043] The baffle 2 is installed as follows: the baffle 2 includes a first connecting part 21 and a second connecting part 22. The first connecting part 21 is disposed at the bottom of the baffle 2, and the second connecting part 22 is disposed on both sides of the V-shaped or U-shaped opening of the baffle 2; the lamp panel body 1 includes a lamp panel frame 13 and a lampshade 14; the light source module 3 is mounted on the frame 13, and the lampshade 14 covers the light-emitting area 12; the first connecting part 21 is connected to the frame 13, and the second connecting part 22 is connected to the lampshade 14 (e.g., ...). Figure 3 This ensures the stability of baffle 2 and the entire lamp panel structure.

[0044] In this embodiment, the light source module 3 is an LED module, which is the core component of the lamp panel and is responsible for generating light. A power module 4 is provided on one side of the lamp panel frame 13 for electrical connection with the light source module 3 to ensure the normal light emission of the light source module 3.

[0045] In this embodiment, some of the baffles 2 are split baffle 2 structures (e.g. Figure 5 ) or an integrated baffle structure (such as Figure 6 The baffle 2 can be made into an integrated or separate structure according to different needs. The integrated structure can make the overall structure of the lamp panel stronger and more stable; the separate structure is easier to assemble and maintain, and the baffle 2 can be quickly replaced or adjusted according to actual needs, improving the efficiency of assembly and maintenance.

[0046] Second embodiment, reference Figures 7-8 .

[0047] Based on the first embodiment, this embodiment provides a layout of the light-emitting cavity 11 inside the lamp panel body 1.

[0048] The interior of the lamp panel is divided into three independent light-emitting cavities 11 by two baffles 2; the two baffles 2 are either separate baffle structures or integrated baffle structures. The three light-emitting cavities 11 are arranged linearly along the length of the lamp panel body 1 (e.g., ...). Figure 7 The linear arrangement makes the light-emitting area of ​​the lamp panel more evenly distributed along the entire length of the lamp panel, improving the uniformity of the lighting effect and avoiding the problem of dark areas at the edges that may occur in traditional full-surface light-emitting designs.

[0049] Third embodiment, reference Figures 9-10 .

[0050] Based on the first embodiment, this embodiment provides a layout of the light-emitting cavity 11 inside the lamp panel body 1.

[0051] The baffle 2 has a cross-shaped structure; the interior of the lamp disk is divided into four independent light-emitting cavities 11 by the cross-shaped baffle 2; the four light-emitting cavities 11 are arranged in a grid pattern within the lamp disk body 1 (e.g., ...). Figure 9 The grid-shaped arrangement of the light-emitting cavities 11 ensures that the light is evenly distributed across the entire area of ​​the lamp panel, improving the uniformity of the lighting effect.

[0052] Fourth embodiment, reference Figure 11 .

[0053] This embodiment provides a driving circuit for a multi-faceted light-emitting lamp. The driving circuit has a DC output positive terminal and a negative terminal. The light source module is connected in parallel between the DC output positive terminal and the negative terminal. At least one of the light source modules is connected in series with the DC output positive terminal. The resistor can be an adjustable resistor with an adjustable resistance value or a surface mount resistor with a different resistance value.

[0054] This embodiment takes three-sided light emission as an example. The brightness of the two light-emitting surfaces in the middle area is relatively high. Therefore, it is necessary to reduce the brightness of the two light-emitting surfaces to make them the same as the brightness of the other two surfaces. Therefore, the adjustable resistor is connected in series with the light source module of the corresponding two surfaces to limit the current. By adjusting the resistance value of the adjustable resistor, the brightness of the light source module of the two surfaces can be precisely adjusted.

[0055] Fifth embodiment, reference Figure 12 .

[0056] The difference between this embodiment and embodiment four is that each light source module is connected in series with a resistor. This resistor can be an adjustable resistor with an adjustable resistance value, or a surface-mount resistor with different resistance values. In other words, the brightness of each light-emitting surface can be adjusted separately, which further improves the accuracy of adjustment.

[0057] The above description is only a preferred embodiment of the present utility model, but the design concept of the present utility model is not limited thereto. Any non-substantial modifications made to the present utility model by those skilled in the art within the scope of the technology disclosed in the present utility model using this concept shall be deemed as an infringement of the protection scope of the present utility model.

Claims

1. A driving circuit for a multi-faceted light-emitting lamp, characterized in that: The multi-faceted light-emitting lamp has at least two independent light-emitting cavities; Each of the light-emitting cavities is provided with an independent light source module, so that at least two independent light-emitting areas are formed within the multi-faceted light-emitting lamp. The driving circuit has a DC output positive and negative terminal, the light source module is connected in parallel between the DC output positive and negative terminal, and at least one of the light source modules is connected in series with the DC output positive terminal.

2. The driving circuit for a multi-faceted light-emitting lamp according to claim 1, characterized in that: The multi-faceted light-emitting lamp includes a lamp panel body; The lamp panel body includes at least one baffle plate, which is disposed inside the lamp panel along the height direction, dividing the interior of the lamp panel into at least two independent light-emitting cavities.

3. The driving circuit for a multi-faceted light-emitting lamp according to claim 2, characterized in that: The surface of the baffle is made of a reflective material.

4. The driving circuit for a multi-faceted light-emitting lamp according to claim 2, characterized in that: The baffle and the main body of the lamp panel are detachable and separate structures.

5. The driving circuit for a multi-faceted light-emitting lamp according to claim 2, characterized in that: The baffle is connected to the lamp panel body by snap-fit ​​or bolts.

6. The driving circuit for a multi-faceted light-emitting lamp according to claim 2, characterized in that: The cross-section of the baffle is V-shaped or U-shaped.

7. The driving circuit for a multi-faceted light-emitting lamp according to claim 6, characterized in that: The baffle includes a first connecting part and a second connecting part. The first connecting part is disposed at the bottom of the baffle, and the second connecting part is disposed on both sides of the V-shaped or U-shaped opening of the baffle. The lamp panel body includes a lamp panel frame and a lampshade; the light source module is installed on the frame, and the lampshade covers the light-emitting area; the first connecting part is connected to the frame, and the second connecting part is connected to the lampshade.

8. The driving circuit for a multi-faceted light-emitting lamp according to claim 2, characterized in that: The interior of the lamp panel is divided into three independent light-emitting cavities by the two baffles; the three light-emitting cavities are arranged linearly along the length of the lamp panel body.

9. The driving circuit for a multi-faceted light-emitting lamp according to claim 8, characterized in that: The two baffles are either separate baffle structures or integrated baffle structures.

10. The driving circuit for a multi-faceted light-emitting lamp according to claim 2, characterized in that: The baffle has a cross-shaped structure; the interior of the lamp panel is divided into four independent light-emitting cavities by the cross-shaped baffle; the four light-emitting cavities are arranged in a grid pattern within the main body of the lamp panel.

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