Lamp

Abstract

The utility model relates to the technical field of lighting devices, and provides a lamp which comprises a light source, a primary reflection cup and a secondary reflection cup, the light source is sleeved with the primary reflection cup, a primary reflection face is formed on the inner wall of the primary reflection cup, and the primary reflection face is gathered inwards so that part of light emitted by the light source can be reflected to the light-emitting face of the light source through the primary reflection face. The secondary reflection cup is connected with the primary reflection cup to form a light path channel, a secondary reflection surface is formed on the inner wall surface of the secondary reflection cup, and the secondary reflection surface is used for enabling light energy to be emitted from the light path channel along a preset emergent angle. Through the arrangement of the primary reflection cup, light energy at the bottom of the light source can be reflected to the light-emitting surface of the light source, then enters the secondary reflection cup through Lamberg reflection of the light-emitting surface of the light source, and finally is emitted through reflection of the secondary reflection cup, so that the light energy at the bottom area of the light source is effectively utilized, and the illumination intensity is improved; the problem that energy at the bottom of the light source is difficult to utilize is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of lighting devices, in particular to a lamp. Background Art

[0002] Lamps provide lighting through internal light sources. In order to improve the lighting effect, reflectors or reflective materials are usually provided on the lamps to reflect or refract light to the area that needs lighting, thereby improving the lighting effect and reducing energy waste.

[0003] However, the light energy at the bottom of the light source is usually difficult to utilize, resulting in a large loss of light energy and limiting the improvement of light intensity. Utility Model Content

[0004] The utility model provides a lamp, which is used to solve the defect in the prior art that the light energy at the bottom of the light source is difficult to utilize, thus limiting the improvement of the light intensity.

[0005] The utility model provides a lamp, comprising:

[0006] light source;

[0007] A primary reflector cup is sleeved outside the light source, the inner wall of the primary reflector cup is formed with a primary reflective surface, and the primary reflective surface converges inwards, so that part of the light emitted by the light source can be reflected to the light-emitting surface of the light source through the primary reflective surface;

[0008] The secondary reflective cup is connected with the primary reflective cup to form a light path channel. The inner wall of the secondary reflective cup is formed with a secondary reflective surface, and the secondary reflective surface is used to make light energy be emitted from the light path channel along a predetermined exit angle.

[0009] According to the lamp provided by the utility model, the lamp also includes:

[0010] The lamp tube defines an installation space with a tube opening, the light source is fixedly arranged at the bottom of the installation space, and the primary reflector cup and the secondary reflector cup are both arranged in the installation space.

[0011] According to the lamp provided by the utility model, the lamp also includes:

[0012] A primary light shield is provided at the mouth of the secondary reflective cup, and a communication hole is provided near the edge of the primary light shield, and the communication hole is communicated with the light path channel.

[0013] According to the lamp provided by the utility model, the primary sunshade includes a cover body portion and a core tube portion, the cover body portion is arranged at the cup mouth of the secondary reflective cup, the core tube portion is connected to the cover body portion, the core tube portion is located in the secondary reflective cup, and the tube mouth of the core tube portion is located directly above the light source.

[0014] According to the lamp provided by the utility model, a first clamping portion is provided on the outer wall around the cover body, and the first clamping portion is clamped with the lamp tube.

[0015] According to the lamp provided by the utility model, the lamp also includes:

[0016] A micro-prism plate is connected to the primary light shield, and the micro-prism plate covers the upper surface of the primary light shield.

[0017] According to the lamp provided by the utility model, the lamp also includes:

[0018] A secondary light shield is arranged at the tube mouth and extends toward the inside of the installation space to form a light energy emission channel, and the secondary light shield is located above the micro prism plate.

[0019] According to the lamp provided by the utility model, a second clamping portion is provided on a circumference of the outer wall of the secondary light shield, and the second clamping portion is clamped with the lamp tube.

[0020] According to the lamp provided by the utility model, the inner diameter of the light energy emission channel gradually decreases near the tube mouth to form a shrinking structure.

[0021] According to the lamp provided by the utility model, the secondary reflective surface gradually diffuses outwards, so that light energy can be emitted from the light path channel along the collimated direction.

[0022] According to any of the above embodiments, the utility model has at least the following beneficial effects:

[0023] The utility model provides a lamp, which enables light energy at the bottom of a light source to be reflected to the light-emitting surface of the light source through the setting of a primary reflector cup, and then enters the secondary reflector cup through Lambert reflection of the light-emitting surface of the light source, and finally reflects the light through the secondary reflector cup to emit the light, thereby achieving effective utilization of light energy in the bottom area of ​​the light source, improving the light intensity, and solving the problem of difficulty in energy utilization at the bottom of the light source.

[0024] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0026] Figure 1 It is a structural schematic diagram of the lamp provided by the utility model.

[0027] Reference numerals:

[0028] 1. Light source; 2. Primary reflective cup; 21. Primary reflective surface; 3. Secondary reflective cup; 31. Secondary reflective surface; 32. Light path; 4. Lamp tube; 41. Installation space; 5. Primary light shield; 51. Cover body; 52. Core tube; 53. First clamping part; 54. Connecting hole; 6. Microprism plate; 7. Secondary light shield; 71. Secondary clamping part; 42. Light energy emission channel. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described clearly and completely in conjunction with the drawings in the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] In the related art, in order to solve the problem of energy waste at the bottom of the light source, some typical solutions are to add reflective materials or reflective films on the side of the light source. This method can realize the utilization of part of the light energy at the bottom, but the stray light caused by this method increases, making the light path more complicated, resulting in a complex structure of the lamp, higher processing and preparation costs, and due to the bottom reflection effect, the effective utilization rate of the light energy is low.

[0031] Regarding the problems in related technologies, such as Figure 1As shown, the utility model provides a lamp, including a light source 1, a primary reflector 2 and a secondary reflector 3. The primary reflector 2 is sleeved outside the light source 1, and a primary reflective surface 21 is formed on the inner wall of the primary reflector 2, and the primary reflective surface 21 converges inwardly, so that part of the light energy emitted by the light source 1 is reflected to the light-emitting surface of the light source 1 through the primary reflective surface 21; the secondary reflector 3 is connected to the primary reflector 2 and forms a light path channel 32, and the inner wall of the secondary reflector 3 is formed with a secondary reflective surface 31, and the secondary reflective surface 31 is used to make the light energy be emitted from the light path channel 32 along a predetermined exit angle. The light energy at the bottom of the light source 1 is difficult to be utilized, resulting in waste of the light energy at the bottom of the light source 1, thereby limiting the improvement of the light intensity. In this embodiment, through the arrangement of the primary reflector 2, the light energy at the bottom is reflected by the primary reflector 2, and the reflected light energy enters the secondary reflector 3 through the Lambert reflection of the light-emitting surface of the light source 1 and is then emitted, thereby improving the energy utilization rate of the light source 1 and improving the light intensity.

[0032] It can be understood that the primary reflective surface 21 of the primary reflective cup 2 is in an inwardly converged state, and such a setting can make the light energy irradiated on the primary reflective surface 21 reflect toward the position of the light source 1, so that the light energy can enter the secondary reflective cup 3 for reflection through Lambert reflection on the light-emitting surface of the light source 1. That is, most of the light energy at the bottom of the light source 1 is emitted toward the light source 1 itself through the primary reflective surface, and most of the light energy reflected from the bottom enters the secondary reflective cup 3 after Lambert reflection on the light-emitting surface of the light source 1, thereby realizing the effective utilization of the bottom light energy, improving the utilization rate of the bottom light energy, and avoiding the limitation of the improvement of the light intensity due to the waste of the bottom light energy.

[0033] The light source 1 is a known light source 1, such as an LED light source 1, and the light source 1 itself has a light emitting surface, so that light energy at the bottom of the light source 1 can be reflected by the light emitting surface.

[0034] In a specific implementation, the light source 1 is located in the middle position of the bottom of the primary reflective cup 2. The bottom light energy in the light emitted by the light source 1 is reflected back to the light-emitting surface of the light source 1 through the inwardly aggregated primary reflective surface 21, and the upper light energy in the light emitted by the light source 1 directly enters the secondary reflective cup 3 and is then emitted after reflection, thereby realizing effective utilization of the bottom light energy of the light source 1.

[0035] like Figure 1 As shown, the primary reflective cup 2 and the secondary reflective cup 3 are in a circular cup-shaped structure as a whole, and one end of the primary reflective cup 2 is connected to one end of the secondary reflective cup 3, thereby forming a light path channel 32, which enables light to be emitted from the channel.

[0036] In a specific configuration, the secondary reflective cup 3 is located above the primary reflective cup 2 , and the secondary reflective cup 3 is engaged with the primary reflective cup 2 , thereby connecting the two.

[0037] In some specific examples, the lamp further includes a lamp tube 4 , in which an installation space 41 having a tube opening is defined, and the light source 1 is fixedly disposed at the bottom of the installation space 41 .

[0038] The lamp tube 4 is a basic entity for supporting and installing the entire lamp, and has a base inside for supporting various collar components. Figure 1 As shown, there is a base at the bottom of the installation space 41, a circuit board is connected to the base, a light source 1 is connected to the circuit board, and a primary reflective cup 2 is fixedly connected to the base and located in the installation space 41, so that the light source 1 is in the middle position of the annular primary reflective surface 21, thereby realizing the aggregation of the light energy at the bottom of the light source 1 and realizing the effective utilization of the bottom light energy.

[0039] According to an embodiment provided by the utility model, the lamp further includes a primary light shield 5, which is covered on the cup mouth of the secondary reflective cup 3, and a connecting hole 54 is opened near the edge of the primary light shield 5, and the connecting hole 54 is connected to the optical path channel 32. Most of the light from the light source 1 is reflected by the secondary reflective cup and emitted at a set emission angle, while the central part of the light source 1 has more stray light, which will affect the quality of light emission if it is not processed. In this embodiment, the primary light shield 5 can absorb most of the stray light in the central part, thereby improving the quality of the emitted light.

[0040] Specifically, the central part of the primary light shield 5 blocks the central position of the light source 1, thereby absorbing the stray light emitted from the center, avoiding the problem of reduced lighting quality due to the emission of stray light.

[0041] In a specific implementation, the primary sunshade 5 includes a cover portion 51 and a core tube portion 52. The cover portion 51 is disposed at the cup mouth of the secondary reflective cup 3. The core tube portion 52 is connected to the cover portion 51. The core tube portion 52 is located inside the secondary reflective cup 3, and the tube mouth of the core tube portion 52 is located directly above the light source 1.

[0042] The cover body 51 is arranged on the cup mouth of the secondary reflective cup 3, and a core tube portion 52 is arranged in the central part thereof. The inner space of the core tube portion 52 is a closed space, so that most of the stray light at the central position of the light source 1 is absorbed by this part, thereby improving the quality of the emitted light.

[0043] In the specific configuration, the core tube portion 52 includes a tube body portion and a shielding portion at the top, the shielding portion at the top is connected to the cover portion 51, and the cover portion 51 is constructed as a circular ring structure, so that the cover portion 51 can be combined with the edge of the secondary reflective cup 3, thereby achieving absorption of stray light in the central portion.

[0044] According to a specific embodiment of the present invention, a first clamping portion 53 is provided on an outer wall of the cover portion 51 .

[0045] The entire primary sunshade 5 is located in the installation space 41. During assembly and installation, the overall structure needs to have good stability. The primary reflector 2 is fixedly connected to the bottom of the installation space 41, so that both the primary reflector 2 and the secondary reflector 3 have good stability. In this embodiment, the primary sunshade 5 is connected to the lamp tube 4 through a first clamping portion 53, so that the primary sunshade 5 has a stable connection structure, which improves the overall structural stability.

[0046] In specific configuration, a plurality of first clamping portions 53 are provided on the outer wall of the cover portion 51, and the stability of the connection is further improved by the plurality of first clamping portions 53. That is, the number of the first clamping portions 53 is not limited in this embodiment and can be adjusted according to design requirements.

[0047] According to an embodiment provided by the utility model, the lamp further includes a micro prism plate 6, which is connected to the primary light shield 5, and the micro prism plate 6 covers the upper surface of the primary light shield 5. The light emitted by the light source 1 is reflected by the primary reflective surface 21 and the secondary reflective surface 31, and then emitted. Considering the processing error of the reflective surface, the micro prism plate 6 can eliminate the light spot problem caused by a certain processing error and improve the quality of the emitted light.

[0048] The micro-prism plate 6 is located in the installation space 41 and is arranged on the primary light shield 5 by welding or other methods, so that the light emitted from the optical path channel 32 is emitted after passing through the micro-prism plate 6. This method can eliminate the light spot problem to a certain extent, thereby improving the quality of the emitted light. And the micro-prism plate 6 is more stable by welding or other connection methods, which can prevent displacement under the action of external force, during installation or during transportation.

[0049] It can be understood that the plane of the micro-prismatic plate 6 is equal to or larger than the upper surface of the primary light shield 5 , so that the micro-prismatic plate 6 can completely cover the entire primary light shield 5 .

[0050] According to an embodiment provided by the utility model, the lamp also includes a secondary light shield 7, which is arranged at the tube mouth and extends toward the inside of the installation space 41 to form a light energy emission channel 42, and the secondary light shield 7 is located above the micro prism plate 6.

[0051] The light emitted by the light source 1 is finally emitted through the light energy emission channel 42 formed by the secondary sunshade 7. In this embodiment, the secondary sunshade 7 further absorbs part of the stray light, improves the quality of the final emitted light, and ensures the purity and comfort of the lighting effect.

[0052] It can be understood that in this embodiment, there are two levels of sunshades, and the first-level sunshade 5 can effectively block the scattering and leakage of most of the light in the central area, thereby absorbing the stray light in the central area, improving the uniformity and comfort of the lighting. Furthermore, the second-level sunshade 7 can further absorb part of the stray light, which can further improve the final lighting effect.

[0053] In a specific embodiment, a second clamping portion 71 is provided on the outer wall of the secondary light shield 7 , and the second clamping portion 71 is clamped with the lamp tube 4 .

[0054] The secondary sunshade 7 is located at the tube mouth. During installation and transportation, the lamp tube 4 will be subjected to external forces, which requires each component in the lamp tube 4 to have a relatively stable connection structure. In this embodiment, the secondary sunshade 7 can be stably connected to the lamp tube 4 through the second clamping portion 71, thereby improving the stability of the structure.

[0055] In the specific setting, there is a certain gap between the bottom end surface of the secondary light shield 7 and the micro prism plate 6. It can be understood that the secondary light shield 7 is connected to the barrel mouth position, and the connection at the barrel mouth position requires that the secondary light shield 7 and the barrel mouth are not transparent, so the second clamping portion 71 is set on one end close to the barrel mouth position. Due to the processing accuracy and avoiding interference during assembly, a gap is set between the secondary light shield 7 and the micro prism plate 6 to avoid damage to the micro prism plate 6 during the assembly process, thereby improving the safety of the micro prism plate 6 during assembly and avoiding interference.

[0056] According to the embodiment of the present utility model, the inner diameter of the light energy emission channel 42 is gradually reduced in the process of approaching the barrel mouth to form a shrinking structure.

[0057] By setting a tapered structure at the top of the sunshade, the direction and scattering range of the light can be effectively controlled. This design can make the light more concentrated and collimated, reduce the loss of scattered light, and improve the effectiveness of the lighting effect and light utilization. The sunshade tapered structure can limit the upward scattering of light and reduce the interference of glare to the surrounding environment and users. This is very important for improving lighting comfort and visual clarity, especially in work or learning environments that require long periods of concentration. It can also make the light more focused and concentrated, and improve the gathering effect of lighting. This is very useful for lighting scenes that need to highlight specific areas or objects, such as display cabinets, artworks, etc.

[0058] According to the specific implementation of the utility model, the secondary reflective surface 31 gradually diffuses outwards so that light can be emitted in a collimated direction from the optical path 32. That is, in this embodiment, the angle design of the secondary reflective surface 31 allows the emitted light to be emitted in a collimated state.

[0059] By limiting the secondary reflective surface 31 so that the light is emitted in a collimated state, it can provide a more accurate and concentrated lighting effect. This is very useful for scenes that require lighting of specific areas or objects, such as exhibits, artworks or specific work areas. Collimated light can more effectively concentrate light energy on the target area, reduce energy waste in other non-target areas, improve light utilization efficiency, and thus save energy costs. Compared with scattered light, collimated light is easier to control the direction, reduces diffuse reflection of light, and thus reduces the generation of glare. This helps to improve the comfort of lighting and reduce eye fatigue and discomfort.

[0060] like Figure 1 As shown, the arrow in the figure indicates the direction of movement of the light. In a specific application, the lamp tube 4 is constructed as a cylindrical structure, and has a cylindrical installation space 41 inside. The top of the installation space 41 is the tube mouth, and the bottom of the installation space 41 is the base. The light source 1 is arranged on the base, and a primary reflector cup 2, a secondary reflector cup 3, a primary light shield 5, a micro prism plate 6 and a secondary light shield 7 are arranged from bottom to top. The primary reflector cup 2 is fixedly arranged on the base, and the secondary light shield 7 is connected to the tube mouth. A part of the light emitted by the LED light source 1 is collimated and emitted directly through the secondary reflective surface 31, and the other part (that is, the light energy part at the bottom of the light source 1) is reflected to the light-emitting surface of the LED light source 1 through the primary reflective surface 21, and collimated and emitted after being reflected to the secondary reflective surface 31 by Lambert, so as to realize the effective utilization of the light energy at the bottom of the light source 1.

[0061] Through the description of the above embodiments, technicians in this field can clearly understand that in each embodiment, the light energy at the bottom of the light source 1 is reflected to the light-emitting surface of the light source 1 through the setting of the primary reflective cup 2, and then enters the secondary reflective cup through the Lambert reflection of the light-emitting surface of the light source 1, and finally reflects the light out through the secondary reflective cup, thereby realizing the effective utilization of the light energy in the bottom area of ​​the light source 1, improving the light intensity, and solving the problem of difficult energy utilization at the bottom of the light source 1.

[0062] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A lamp, characterized in that: include: Light source (1); A primary reflective cup (2) is sleeved outside the light source (1), the inner wall of the primary reflective cup (2) is formed with a primary reflective surface (21), and the primary reflective surface (21) converges inwards, so that part of the light emitted by the light source (1) can be reflected to the light-emitting surface of the light source (1) through the primary reflective surface (21); A secondary reflective cup (3) is connected to the primary reflective cup (2) to form a light path channel (32); a secondary reflective surface (31) is formed on the inner wall surface of the secondary reflective cup (3); and the secondary reflective surface (31) is used to allow light energy to be emitted from the light path channel (32) along a predetermined emission angle.

2. The lamp according to claim 1, characterized in that: The lamp also includes: A lamp tube (4), wherein an installation space (41) having a tube opening is defined in the lamp tube (4), the light source (1) is fixedly arranged at the bottom of the installation space (41), and the primary reflector cup (2) and the secondary reflector cup (3) are both located in the installation space (41).

3. The lamp according to claim 2, characterized in that: The lamp also includes: A primary light shield (5), the primary light shield (5) is arranged on the cup mouth of the secondary reflective cup (3), and a communication hole (54) is provided near the edge of the primary light shield (5), and the communication hole (54) is communicated with the light path channel (32).

4. The lamp according to claim 3, characterized in that: The primary light shield (5) comprises a cover portion (51) and a core tube portion (52); the cover portion (51) is arranged at the cup mouth of the secondary reflective cup (3); the core tube portion (52) is connected to the cover portion (51); the core tube portion (52) is located inside the secondary reflective cup (3); and the tube mouth of the core tube portion (52) is located directly above the light source (1).

5. The lamp according to claim 4, characterized in that: A first clamping portion (53) is provided on an outer wall around the cover body (51), and the first clamping portion (53) is clamped with the lamp tube (4).

6. The lamp according to claim 3, characterized in that: The lamp also includes: A micro-prism plate (6), wherein the micro-prism plate (6) is connected to the primary light shield (5), and the micro-prism plate (6) covers the upper surface of the primary light shield (5).

7. The lamp according to claim 6, characterized in that: The lamp also includes: A secondary light shield (7), the secondary light shield (7) is arranged at the tube mouth and extends toward the inside of the installation space (41) to form a light energy emission channel (42), and the secondary light shield (7) is located above the micro-prism plate (6).

8. The lamp according to claim 7, characterized in that: A second clamping portion (71) is provided on the outer wall of the secondary light shield (7), and the second clamping portion (71) is clamped with the lamp tube (4).

9. The lamp according to claim 7, characterized in that: The inner diameter of the light energy exit channel (42) gradually decreases near the barrel opening to form a shrinking structure.

10. The lamp according to claim 1, characterized in that: The secondary light reflecting surface (31) gradually diffuses outwards, so that light energy can be emitted from the light path channel (32) along a collimated direction.

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