Wide-angle irradiation light source device and detection equipment
By using arc diffusion plates and inclined lamp panels in the light source device, the problem that existing light sources are difficult to illuminate a large angle range is solved, and a wider angle lighting effect is achieved.
Patent Information
- Application Number
- CN202421899672.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-06
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-08-06
AI Technical Summary
The diffused light output direction angle range of existing flat panel light sources is narrow, making it difficult to illuminate spaces with a larger angle range.
A wide-angle illumination light source device is designed, using an arc diffusion plate and an inclined lamp plate. The angle of the top surface of the lamp plate is less than 180°, making the light more uniform and can illuminate the space with a larger angle range.
It achieves a larger output angle range of light, which can better illuminate spaces with a larger angle range and provide better lighting effects.
Smart Images
Figure CN222895054U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of light sources, in particular to a wide-angle irradiation light source device and detection equipment. Background Art
[0002] The current flat light source includes a housing and a light board installed in the housing. A flat diffuser is installed at the outlet of the housing. After the light emitted by the light board is diffused by the diffuser, the light is evenly irradiated on the surface of the workpiece to be inspected. This structure of the light source only has a good irradiation effect in front of the flat diffuser. The angular range of the emitting direction of the diffused light is narrow, and it is difficult to illuminate a space with a larger angular range.
[0003] In view of this, it is necessary to design a wide-angle illumination light source device and a detection device to better illuminate a space in a larger angle range.
[0004] The above information is presented as background information only to assist with understanding the present disclosure and no determination or admission is made as to whether any of the above may be used as prior art with respect to the present disclosure. Utility Model Content
[0005] The utility model provides a wide-angle irradiation light source device and detection equipment to better illuminate a space in a larger angle range.
[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0007] A wide-angle illumination light source device, comprising:
[0008] heat sink;
[0009] An arc-shaped diffusion plate, both ends of which are respectively connected to the radiator, and the radiator and the arc-shaped diffusion plate are combined to form an installation space;
[0010] Two lamp boards are used to emit light toward the arc-shaped diffuser plate, and the two lamp boards are symmetrically installed in the installation space; the extension direction of the heat sink, the arc-shaped diffuser plate and the lamp board is the same; the lamp board has a top surface close to the heat sink, the light board is inclined and the angle between the top surfaces of the two lamp boards is less than 180°.
[0011] Optionally, the heat sink includes a heat dissipation substrate, a protrusion is provided on the heat dissipation substrate, and the protrusion has a first inclined surface and a second inclined surface about a first symmetry plane, one of the lamp boards is mounted on the first inclined surface, and another of the lamp boards is mounted on the second inclined surface.
[0012] Optionally, an angle between the first inclined surface and the second inclined surface is 145°.
[0013] Optionally, the heat sink includes a heat dissipation substrate, a first rotating plate rotatably mounted on the heat dissipation substrate via a first rotating shaft, and a second rotating plate rotatably mounted on the heat dissipation substrate via a second rotating shaft, and the first rotating plate and the second rotating plate are symmetrical about a first symmetry plane;
[0014] One of the lamp boards is mounted on the first rotating plate, and another of the lamp boards is mounted on the second rotating plate.
[0015] Optionally, the heat sink further comprises a telescopic device mounted on the heat dissipation substrate;
[0016] The center line of the telescopic shaft of the telescopic device is located on the first symmetry plane, and a first connecting rod and a second connecting rod are rotatably mounted on the telescopic shaft. One end of the first connecting rod away from the telescopic shaft is hinged to the first rotating plate, and one end of the second connecting rod away from the telescopic shaft is hinged to the second rotating plate, and the first connecting rod and the second connecting rod are symmetrical about the center line of the telescopic shaft.
[0017] Optionally, an air cooling channel is formed between the first rotating plate and the heat dissipation substrate.
[0018] Optionally, the lamp board includes a circuit board and lamp beads installed on the circuit board, and the lamp beads are located on a side of the circuit board close to the diffusion plate.
[0019] Optionally, the lamp beads are LED lamp beads.
[0020] Optionally, the two lamp panels form a group of light emitting components, and a plurality of groups of light emitting component arrays are mounted on the heat sink.
[0021] A detection device comprises the wide-angle illumination light source device as described in any one of the above items.
[0022] Compared with the prior art, the utility model has the following beneficial effects:
[0023] The wide-angle illumination light source device and detection equipment provided by the utility model make the lamp boards tilted and the angle between the top surfaces of the two lamp boards is less than 180°, so that the light emitting directions of the two lamp boards are different. One lamp board is equivalent to tilting to emit light to the left, and the other lamp board is equivalent to tilting to emit light to the right. After the emitted light of the two lamp boards passes through the arc-shaped diffusion plate, the light emission is more uniform, which can illuminate a space in a larger angle range and provide a better lighting effect.
[0024] The present invention has other characteristics and advantages, which will be apparent from the accompanying drawings and subsequent specific embodiments incorporated herein, or will be described in detail in the accompanying drawings and subsequent specific embodiments incorporated herein, which together are used to explain the specific principles of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0026] Figure 1 It is a top view schematic diagram of a wide-angle illumination light source device provided by an embodiment of the utility model;
[0027] Figure 2 yes Figure 1 Schematic diagram of the structure of the A-A section;
[0028] Figure 3 It is a schematic cross-sectional structure diagram of another wide-angle illumination light source device provided by an embodiment of the utility model.
[0029] Figure numerals: 1, radiator; 101, first rotating axis; 102, second rotating axis; 11, heat dissipation substrate; 12, protrusion; 121, first inclined surface; 122, second inclined surface; 13, first rotating plate; 14, second rotating plate; 15, telescopic device; 151, first connecting rod; 152, second connecting rod; 2, arc-shaped diffusion plate; 3, lamp board; 31, circuit board; 32, lamp beads; 100, installation space; 200, first symmetry plane. DETAILED DESCRIPTION
[0030] In order to explain in detail the possible application scenarios, technical principles, specific schemes that can be implemented, and the purposes and effects that can be achieved, the following is a detailed description of the specific embodiments listed in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.
[0031] Reference to "embodiment" herein means that the specific features, structures or characteristics described in conjunction with the embodiment may be included in at least one embodiment of the present application. The term "embodiment" appearing in various places in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or association with other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the various technical features mentioned in the embodiments can be combined in any way to form a corresponding implementable technical solution.
[0032] Unless otherwise defined, the technical terms used in this document have the same meanings as those generally understood by those skilled in the art to which this application belongs; the use of relevant terms in this document is only for describing specific embodiments and is not intended to limit this application.
[0033] In the description of this application, the term "and / or" is an expression used to describe the logical relationship between objects, indicating that three relationships may exist, for example, A and / or B, which means: A exists, B exists, and A and B exist at the same time. In addition, the character " / " in this article generally indicates that the objects before and after are in an "or" logical relationship.
[0034] In the present application, terms such as “first” and “second” are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship of quantity, priority or sequence between these entities or operations.
[0035] Without further limitations, in this application, the words "include", "comprises", "has" or other similar expressions used in sentences are intended to cover non-exclusive inclusion. These expressions do not exclude the presence of additional elements in the process, method or product including the elements, so that the process, method or product including a series of elements may include not only those limited elements, but also other elements not explicitly listed, or also include elements inherent to such process, method or product.
[0036] Similar to the understanding in the Examination Guidelines, in this application, expressions such as "greater than", "less than", "exceed" and the like are understood to exclude the number itself; expressions such as "above", "below", "within" and the like are understood to include the number itself. In addition, in the description of the embodiments of this application, "multiple" means more than two (including two), and similar expressions related to "multiple" are also understood in this way, such as "multiple groups", "multiple times", etc., unless otherwise clearly and specifically limited.
[0037] In the description of the embodiments of the present application, space-related expressions used, such as "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "vertical", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate the orientation or position relationship based on the orientation or position relationship shown in the specific embodiments or drawings, and are only for the convenience of describing the specific embodiments of the present application or facilitating the reader's understanding, and do not indicate or imply that the referred device or component must have a specific position, a specific orientation, or be constructed or operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.
[0038] Unless otherwise expressly specified or limited, in the description of the embodiments of the present application, the terms such as "install", "connect", "connect", "fix", "set", etc. used should be understood in a broad sense. For example, the "connection" can be a fixed connection, a detachable connection, or an integrated setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For technicians in the technical field to which the present application belongs, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.
[0039] Embodiment 1
[0040] In view of the defects of the existing light source device, the applicant has actively conducted research and innovation based on many years of rich practical experience and professional knowledge in the design and manufacture of such products, and in conjunction with the application of theory, in the hope of creating a technology that can solve the defects in the existing technology and make the light source device more practical. After continuous research and design, and repeated trial production and improvement, the present utility model with real practical value was finally created.
[0041] The embodiment of the utility model provides a wide-angle illumination light source device, which can provide illumination in a wider angle range, that is, the emission angle range of the light is larger.
[0042] Please refer to Figure 1 to Figure 2 , a wide-angle illumination light source device, comprising: a heat sink 1, used for cooling and supporting a lamp panel 3, and serving as a support for an arc-shaped diffuser plate 2; the arc-shaped diffuser plate 2, with both ends respectively connected to the heat sink 1, the heat sink 1 and the arc-shaped diffuser plate 2 are combined to form an installation space 100; the heat sink 1, the arc-shaped diffuser plate 2 and the lamp panel 3 have the same extension direction; two lamp panels 3, used for emitting light to the arc-shaped diffuser plate 2, the two lamp panels 3 are symmetrically installed in the installation space 100; the lamp panel 3 has a top surface close to the heat sink 1, the lamp panel 3 is tilted and the angle between the top surfaces of the two lamp panels 3 is less than 180°. Figure 2As shown, the extension direction of the heat sink 1, the arc-shaped diffuser plate 2 and the light board 3 is perpendicular to Figure 2 The direction of the drawing, that is Figure 1 In the direction from top to bottom or from bottom to top.
[0043] like Figure 2 As shown, one of the lamp panels 3 emits light tilted to the left, and the other lamp panel 3 emits light tilted to the right. The light emitted by the lamp panel is diffused by the arc-shaped diffusion plate 2, and then the illumination range is further expanded, so that a space with a larger angle can be illuminated. Compared with the existing flat light source, the illumination range and angle of the wide-angle illumination light source device are significantly increased, and the maximum illumination angle can even exceed 180°.
[0044] Optionally, the heat sink 1 includes a heat dissipation substrate 11, on which a protrusion 12 is provided, and the protrusion 12 has a first inclined surface 121 and a second inclined surface 122 about the first symmetry plane 200, and one lamp board 3 is mounted on the first inclined surface 121, and another lamp board 3 is mounted on the second inclined surface 122. Specifically, the first inclined surface 121 and the second inclined surface 122 can well support the lamp board 3, avoid the situation where the lamp board 3 is suspended in the air, improve the installation stability of the lamp board 3, and better ensure the inclination angle of the lamp board 3. It should be noted that, in a specific embodiment, the arc diffuser 2 is symmetrical about the first symmetry plane 200.
[0045] In a specific embodiment, the included angle between the first inclined surface 121 and the second inclined surface 122 is 145°.
[0046] Optionally, the radiator 1 includes a heat dissipation substrate 11, a first rotating plate 13 rotatably mounted on the heat dissipation substrate 11 via a first rotating axis 101, and a second rotating plate 14 rotatably mounted on the heat dissipation substrate 11 via a second rotating axis 102, and the first rotating plate 13 and the second rotating plate 14 are symmetrical about a first symmetry plane 200; one lamp board 3 is mounted on the first rotating plate 13, and the other lamp board 3 is mounted on the second rotating plate 14.
[0047] It should be noted that, in this embodiment, the positions of the two light panels 3 are controlled by adjusting the angles of the first rotating plate 13 and the second rotating plate 14, so that the light emission range of the wide-angle illumination light source device is more appropriate.
[0048] Optionally, the heat sink 1 further includes a telescopic device 15 mounted on the heat dissipation substrate 11; the center line of the telescopic shaft of the telescopic device 15 is located on the first symmetry plane 200, and a first connecting rod 151 and a second connecting rod 152 are rotatably mounted on the telescopic shaft, the end of the first connecting rod 151 away from the telescopic shaft is hinged to the first rotating plate 13, the end of the second connecting rod 152 away from the telescopic shaft is hinged to the second rotating plate 14, and the first connecting rod 151 and the second connecting rod 152 are symmetrical about the center line of the telescopic shaft. The telescopic device 15 can be a cylinder, an electric telescopic device or other forms of telescopic drive structures. When the telescopic shaft is extended, the angle between the top surfaces of the two lamp panels 3 will be smaller; when the telescopic shaft is extended, the angle between the top surfaces of the two lamp panels will be larger.
[0049] Optionally, an air cooling channel is formed between the first rotating plate 13 and the heat dissipation substrate 11 to better cool the lamp board 3 .
[0050] Optionally, the lamp board 3 includes a circuit board 31 and lamp beads 32 mounted on the circuit board 31 , and the lamp beads 32 are located on a side of the circuit board 31 close to the diffusion plate.
[0051] Optionally, the lamp bead 32 is an LED lamp bead.
[0052] Optionally, two lamp panels 3 form a group of light emitting components, and several groups of light emitting component arrays are installed on the heat sink 1 .
[0053] Embodiment 2
[0054] This embodiment discloses a detection device, including the wide-angle illumination light source device as described in the first embodiment.
[0055] Finally, it should be noted that although the above embodiments have been described in the specification and drawings of this application, this does not limit the scope of patent protection of this application. All technical solutions generated by replacing or modifying equivalent structures or equivalent processes based on the essential concept of this application using the contents recorded in the specification and drawings of this application, as well as directly or indirectly implementing the technical solutions of the above embodiments in other related technical fields, are included in the scope of patent protection of this application.
Claims
1. A wide-angle illumination light source device, characterized in that: include: Radiator (1); An arc-shaped diffusion plate (2), both ends of which are respectively connected to the heat sink (1); the heat sink (1) and the arc-shaped diffusion plate (2) are combined to form an installation space (100); Two light panels (3) for emitting light toward the arc-shaped diffusion plate (2), the two light panels (3) being symmetrically installed in the installation space (100); The heat sink (1), the arc-shaped diffusion plate (2) and the lamp board (3) extend in the same direction; the lamp board (3) has a top surface close to the heat sink (1); the lamp board (3) is arranged at an angle and the included angle between the top surfaces of the two lamp boards (3) is less than 180°.
2. The wide-angle illumination light source device according to claim 1, characterized in that: The heat sink (1) comprises a heat dissipation substrate (11), a protrusion (12) is provided on the heat dissipation substrate (11), and the protrusion (12) has a first inclined surface (121) and a second inclined surface (122) with respect to a first symmetry plane (200), one of the lamp panels (3) is mounted on the first inclined surface (121), and another of the lamp panels (3) is mounted on the second inclined surface (122).
3. The wide-angle illumination light source device according to claim 2, characterized in that: The included angle between the first inclined surface (121) and the second inclined surface (122) is 145°.
4. The wide-angle illumination light source device according to claim 1, characterized in that: The heat sink (1) comprises a heat dissipation substrate (11), a first rotating plate (13) rotatably mounted on the heat dissipation substrate (11) via a first rotating shaft (101), and a second rotating plate (14) rotatably mounted on the heat dissipation substrate (11) via a second rotating shaft (102), and the first rotating plate (13) and the second rotating plate (14) are symmetrical about a first symmetry plane (200); One of the light panels (3) is mounted on the first rotating plate (13), and another of the light panels (3) is mounted on the second rotating plate (14).
5. The wide-angle illumination light source device according to claim 4, characterized in that: The heat sink (1) further comprises a telescopic device (15) mounted on the heat dissipation substrate (11); The center line of the telescopic shaft of the telescopic device (15) is located on the first symmetry plane (200), and a first connecting rod (151) and a second connecting rod (152) are rotatably mounted on the telescopic shaft. The end of the first connecting rod (151) away from the telescopic shaft is hinged to the first rotating plate (13), and the end of the second connecting rod (152) away from the telescopic shaft is hinged to the second rotating plate (14), and the first connecting rod (151) and the second connecting rod (152) are symmetrical about the center line of the telescopic shaft.
6. The wide-angle illumination light source device according to claim 5, characterized in that: An air cooling channel is formed between the first rotating plate (13) and the heat dissipation substrate (11).
7. The wide-angle illumination light source device according to claim 1, characterized in that: The lamp board (3) comprises a circuit board (31) and lamp beads (32) mounted on the circuit board (31), and the lamp beads (32) are located on a side of the circuit board (31) close to the diffusion plate.
8. The wide-angle illumination light source device according to claim 7, characterized in that: The lamp bead (32) is an LED lamp bead.
9. The wide-angle illumination light source device according to claim 1, characterized in that: The two lamp panels (3) form a group of light emitting components, and a plurality of groups of light emitting component arrays are mounted on the heat sink (1).
10. A detection device, characterized in that: The invention comprises a wide-angle illumination light source device as claimed in any one of claims 1 to 8.