CN215678996U - Visual light source structure - Google Patents
Visual light source structure Download PDFInfo
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- CN215678996U CN215678996U CN202122222441.4U CN202122222441U CN215678996U CN 215678996 U CN215678996 U CN 215678996U CN 202122222441 U CN202122222441 U CN 202122222441U CN 215678996 U CN215678996 U CN 215678996U
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- light source
- fresnel lens
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- lens
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Abstract
The utility model discloses a visual light source structure, which comprises an installation shell, a Fresnel lens and a light source, wherein the Fresnel lens and the light source are arranged in the installation shell from top to bottom; a height adjusting assembly is arranged at the bottom of the mounting shell, the light source is mounted at one end, close to the Fresnel lens, of the height adjusting assembly, and the height adjusting assembly is used for adjusting the distance from the light source to the Fresnel lens; and light rays emitted by the light source pass through the Fresnel lens to supplement light to the product. The visual light source structure of this embodiment can effectively promote the light filling effect, has reduced the degree of difficulty that the industry camera discerned the work piece.
Description
Technical Field
The utility model relates to the field of visual light sources, in particular to a visual light source structure.
Background
To some visual detection equipment, like cell-phone camera lens installation detection device, PCB board feeding agencies, manipulator etc., often need use the visual light source to carry out the light filling for the industry camera, the industry camera of being convenient for shoots and detects etc. corresponding subassembly or product.
The existing visual light source structure is generally provided with a light source in a shell, the shell is provided with a light supplementing window, and the light source directly supplements light to a product from the light supplementing window. However, the light source directly supplements light to the product, so that the problem of astigmatism is easy to occur, and the difficulty of identifying the product by the industrial camera is improved. In addition, in the prior art, the light source is directly fixed on the shell, and the light supplement effect of the light source is difficult to adjust.
In view of this, a visual light source structure is designed to facilitate the industrial camera to identify the product.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a visual light source structure to solve the above problems.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a visual light source structure comprises a mounting shell, a Fresnel lens and a light source, wherein the Fresnel lens and the light source are mounted in the mounting shell from top to bottom;
a height adjusting assembly is arranged at the bottom of the mounting shell, the light source is mounted at one end, close to the Fresnel lens, of the height adjusting assembly, and the height adjusting assembly is used for adjusting the distance from the light source to the Fresnel lens;
and light rays emitted by the light source pass through the Fresnel lens to supplement light to the product.
Optionally, the mounting housing includes a bottom plate, the bottom plate is provided with a sliding through hole, the height adjusting assembly includes a supporting column slidably disposed in the sliding through hole and an adjusting screw for fixing the supporting column to the bottom plate, and the adjusting screw is detachably connected to the bottom plate;
the light source is fixedly connected to one end, close to the Fresnel lens, of the supporting column.
Optionally, the light source includes the PCB board and sets up in LED lamp pearl on the PCB board, the PCB board with support column fixed connection.
Optionally, the mounting housing is further provided with a light exit hole, an antireflection lens is installed in the light exit hole, and the antireflection lens is located on one side of the fresnel lens, which is far away from the light source.
Optionally, the mounting shell is further provided with a light splitting sheet, the light splitting sheet is located between the Fresnel lens and the lens increasing body, an included angle between the light splitting sheet and the Fresnel lens is 45 degrees, an included angle between the light splitting sheet and the lens increasing body is 45 degrees, and the antireflection mirror is perpendicular to the Fresnel lens.
Optionally, the support column is further provided with a heat dissipation plate fixedly connected with the PCB.
Optionally, the mounting housing further includes a first side plate and a second side plate which are oppositely disposed, and the first side plate and the second side plate are both provided with a first mounting groove for mounting the fresnel lens.
Optionally, the first side plate and the second side plate are both provided with a second mounting groove for mounting the light splitting sheet.
Optionally, a limiting groove is formed in the supporting column along the axis direction of the sliding through hole, and one end of the adjusting screw is located in the limiting groove.
Compared with the prior art, the utility model has the following beneficial effects:
in this embodiment, can adjust the height of light source through the altitude mixture control subassembly to on making the light source can be in fresnel lens's focus, the light that the light source sent, luminance is even behind fresnel lens, and it is better to the light filling effect of product, makes things convenient for the industry camera to discern.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
The structure, proportion, size and the like shown in the drawings are only used for matching with the content disclosed in the specification, so that the person skilled in the art can understand and read the description, and the description is not used for limiting the limit condition of the implementation of the utility model, so the method has no technical essence, and any structural modification, proportion relation change or size adjustment still falls within the scope of the technical content disclosed by the utility model without affecting the effect and the achievable purpose of the utility model.
Fig. 1 is a schematic structural diagram of a visual light source structure according to an embodiment of the present invention;
fig. 2 is a schematic view of the cross-sectional structure a-a in fig. 1.
Illustration of the drawings: 1. installing a shell; 11. a base plate; 111. a slide through hole; 12. a first side plate; 13. a second side plate; 110. a first mounting groove; 120. a second mounting groove; 2. a Fresnel lens; 3. a light source; 31. a PCB board; 32. LED lamp beads; 4. a height adjustment assembly; 41. a support pillar; 42. an adjusting screw; 5. a lens is added; 6. a light splitting sheet; 411. a limiting groove.
Detailed Description
In order to make the objects, features and advantages of the present invention more apparent and understandable, the embodiments of the present invention will be described in detail and completely with reference to the accompanying drawings, and it is to be understood that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
The embodiment of the utility model provides a visual light source structure, which can adjust the distance from a light source 3 to a Fresnel lens 2 through a height adjusting assembly 4, so that the distance from the light source 3 to the Fresnel lens 2 is the optimal distance, astigmatism is effectively improved, and a light supplementing effect is improved.
Referring to fig. 1 and 2, the visual light source structure includes a mounting case 1, and a fresnel lens 2 and a light source 3 mounted in the mounting case 1 from top to bottom;
the bottom of the mounting shell 1 is provided with a height adjusting component 4, the light source 3 is mounted at one end of the height adjusting component 4 close to the Fresnel lens 2, and the height adjusting component 4 is used for adjusting the distance from the light source 3 to the Fresnel lens 2;
light rays emitted by the light source 3 penetrate out of the light outlet after passing through the Fresnel lens 2 so as to be used for supplementing light to the product.
It should be noted that, generally, by adjusting the height of the light source 3, the light source is located at the focus of the fresnel lens 2, so that the light emitted by the light source 3 passes through the fresnel lens 2 and then has uniform brightness, the light supplement effect is better, and the industrial camera can accurately identify the product conveniently.
Optionally, the mounting housing 1 includes a bottom plate 11, the bottom plate 11 is provided with a sliding through hole 111, the height adjusting assembly 4 includes a supporting column 41 slidably disposed in the sliding through hole 111 and an adjusting screw 42 for fixing the supporting column 41 on the bottom plate 11, and the adjusting screw 42 is detachably connected to the bottom plate 11;
the light source 3 is fixedly connected to one end of the support column 41 close to the fresnel lens 2.
Specifically, in this embodiment, after the adjusting screw 42 is loosened, the length of the supporting column 41 extending into the installation housing 1 can be adjusted, and after the light source 3 is adjusted to the height with the best light supplement effect, the adjusting screw 42 is screwed to complete the adjustment.
Optionally, the light source 3 includes a PCB 31 and LED beads 32 disposed on the PCB 31, and the PCB 31 is fixedly connected to the supporting column 41.
Specifically, the PCB 31 is directly mounted on top of the support posts 41, which provides a larger heat dissipation space for heat dissipation. It is worth mentioning that the mounting housing 1 is not a closed housing.
Optionally, the mounting housing 1 is further provided with a light exit hole, the light exit hole is provided with an antireflection lens 5, and the antireflection lens 5 is located on one side of the fresnel lens 2 away from the light source 3. It should be clear that, antireflection mirror 6 can significantly reduce the reflection optical loss of light, strengthens the transmission intensity of light to promote the light filling effect, and then promote the imaging quality of industrial camera.
Optionally, the mounting housing 1 is further provided with a beam splitter 6, the beam splitter 6 is located between the fresnel lens 2 and the anti-reflection mirror 5, an included angle between the beam splitter 6 and the fresnel lens 2 is 45 °, an included angle between the beam splitter 6 and the anti-reflection mirror 5 is 45 °, and the anti-reflection mirror 5 is perpendicular to the fresnel lens 2. It should be clear that this particular configuration, to which reference is made to fig. 2, effectively reduces the overall size of the visual light source configuration, facilitating installation and use. It should be clear that fig. 2 is only a schematic view of the mounting arrangement.
Optionally, a heat dissipation plate fixedly connected to the PCB 31 is further disposed on the supporting column 41 to improve the heat dissipation effect of the PCB.
Specifically, the support posts 41 are also made of metal, so as to radiate the heat of the PCB well, improve the heat radiation effect,
Optionally, the mounting housing 1 further includes a first side plate 12 and a second side plate 13 disposed opposite to each other, and the first side plate 12 and the second side plate 13 are each provided with a first mounting groove 110 for mounting the fresnel lens 2. The fresnel lens 2 can be directly inserted into the two opposite first mounting grooves 110 to complete the mounting, and the mounting is convenient.
Optionally, a second mounting groove 120 for mounting the light-splitting sheet 6 is provided on each of the first side plate 12 and the second side plate 13. The light-splitting sheets 6 can be directly inserted into the two opposite second mounting grooves 120
Optionally, a limiting groove 411 is disposed on the supporting column 41 along the axial direction of the sliding through hole 111, and one end of the adjusting screw 42 is located in the limiting groove 411. Specifically, the position of the light source 3 can be ensured, and the light supplement effect is prevented from being influenced by the change of the position of the light source 3 caused by the rotation of the supporting column 41.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. A visual light source structure is characterized by comprising a mounting shell (1), a Fresnel lens (2) and a light source (3) which are mounted in the mounting shell (1) from top to bottom;
a height adjusting assembly (4) is arranged at the bottom of the mounting shell (1), the light source (3) is mounted at one end, close to the Fresnel lens (2), of the height adjusting assembly (4), and the height adjusting assembly (4) is used for adjusting the distance from the light source (3) to the Fresnel lens (2);
light rays emitted by the light source (3) pass through the Fresnel lens (2) to supplement light to a product.
2. The visual light source structure according to claim 1, wherein the mounting housing (1) comprises a bottom plate (11), the bottom plate (11) is provided with a sliding through hole (111), the height adjusting assembly (4) comprises a supporting column (41) slidably arranged in the sliding through hole (111) and an adjusting screw (42) for fixing the supporting column (41) on the bottom plate (11), and the adjusting screw (42) is detachably connected with the bottom plate (11);
the light source (3) is fixedly connected to one end, close to the Fresnel lens (2), of the supporting column (41).
3. The visual light source structure of claim 2, wherein the light source (3) comprises a PCB (31) and LED beads (32) arranged on the PCB (31), and the PCB (31) is fixedly connected with the supporting column (41).
4. A visual light source structure according to claim 3, wherein the mounting housing (1) is further provided with a light exit hole, and a lens (5) is mounted in the light exit hole, and the lens (5) is arranged on the side of the Fresnel lens (2) far away from the light source (3).
5. A visual light source structure according to claim 4, wherein the mounting case (1) is further mounted with a light splitting sheet (6), the light splitting sheet (6) is located between the Fresnel lens (2) and the booster lens (5), an included angle between the light splitting sheet (6) and the Fresnel lens (2) is 45 °, an included angle between the light splitting sheet (6) and the booster lens (5) is 45 °, and the booster lens (5) is perpendicular to the Fresnel lens (2).
6. A visual light source structure according to claim 3, wherein the support post (41) is further provided with a heat sink fixedly connected to the PCB board (31).
7. The visual light source structure according to claim 5, wherein the mounting case (1) further comprises a first side plate (12) and a second side plate (13) which are oppositely arranged, and a first mounting groove (110) for mounting the Fresnel lens (2) is arranged on each of the first side plate (12) and the second side plate (13).
8. The visual light source structure according to claim 7, wherein the first side plate (12) and the second side plate (13) are provided with second mounting grooves (120) for mounting the light-splitting sheet (6).
9. The visual light source structure according to claim 2, wherein a limiting groove (411) is arranged on the supporting column (41) along the axial direction of the sliding through hole (111), and one end of the adjusting screw (42) is located in the limiting groove (411).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122222441.4U CN215678996U (en) | 2021-09-14 | 2021-09-14 | Visual light source structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122222441.4U CN215678996U (en) | 2021-09-14 | 2021-09-14 | Visual light source structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215678996U true CN215678996U (en) | 2022-01-28 |
Family
ID=79963217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122222441.4U Active CN215678996U (en) | 2021-09-14 | 2021-09-14 | Visual light source structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215678996U (en) |
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2021
- 2021-09-14 CN CN202122222441.4U patent/CN215678996U/en active Active
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