CN220933285U - Telecentric parallel light source - Google Patents
Telecentric parallel light source Download PDFInfo
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- CN220933285U CN220933285U CN202322296468.7U CN202322296468U CN220933285U CN 220933285 U CN220933285 U CN 220933285U CN 202322296468 U CN202322296468 U CN 202322296468U CN 220933285 U CN220933285 U CN 220933285U
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- 239000011324 bead Substances 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 5
- 238000009792 diffusion process Methods 0.000 claims description 9
- 230000001788 irregular Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of camera light sources, in particular to a telecentric parallel light source, which comprises a lens component, wherein the lens component is formed by combining a plurality of lenses with different specifications and has the characteristics of uniform light spots, small external dimension and convenience in installation; an LED lamp assembly with adjustable luminous power; the light-emitting end of the LED lamp assembly is fixedly connected with the light-entering end of the lens assembly. The lens components in the parallel light source are combined through the plurality of groups of lenses, the distances between the lenses are reasonably distributed, the high-brightness LED lamp beads are allocated, the circular light spots are uniform, the brightness is higher, the overall appearance length of the parallel light source is shorter, the parallel light source is beneficial to being installed in a narrow space, the practical value of the market is more beneficial, and meanwhile, the edge sharpness of images is greatly improved, so that the product detection precision is improved.
Description
Technical Field
The utility model relates to the technical field of camera light sources, in particular to a telecentric parallel light source.
Background
Telecentric parallel light sources are a type of light source used in laboratory, scientific and industrial applications that can produce parallel bundles of light and present parallel light sources with the following disadvantages: the light spots are not uniform enough, the brightness of the light source is not enough, and the outline dimension is longer, so that the occasion with space limitation cannot be met. Accordingly, one skilled in the art would provide a telecentric parallel light source to address the problems set forth in the background art above.
Disclosure of utility model
In order to solve the above technical problems, the present utility model provides a telecentric parallel light source, comprising:
The lens component is formed by combining a plurality of lenses with different specifications and has the characteristics of uniform light spots, small external dimension and convenient installation;
An LED lamp assembly with adjustable luminous power;
the light-emitting end of the LED lamp assembly is fixedly connected with the light-entering end of the lens assembly.
Preferably: the lens assembly comprises a shell, the cross section of the shell is of an irregular funnel-shaped structure, one end with a small opening of the shell is connected with the LED lamp assembly, the LED lamp assembly is provided with a light source inlet, and the other end of the LED lamp assembly is provided with a light source outlet.
Preferably: the LED lamp is characterized in that a plano-convex lens B is arranged at the position, located at the light source inlet, in the shell, the convex surface of the plano-convex lens B is close to the LED lamp assembly, a plano-concave lens is arranged on one side of the plano-convex lens B, and the concave surface of the plano-concave lens is close to the plano-convex lens B.
Preferably: the middle part of the shell is provided with a plano-convex lens A and a biconcave lens, one side of the biconcave lens, which is close to the light source outlet, is provided with the plano-convex lens A, and the convex surface of the plano-convex lens A is close to one side of the light source outlet.
Preferably: a lenticular lens is arranged at the position of the light source outlet in the shell.
Preferably: the LED lamp assembly comprises lamp beads, the maximum power of the lamp beads is 10W, the lamp beads are arranged on a radiator, and a plurality of radiating grooves are formed in the surface of the radiator.
Preferably: a light source diffusion plate is arranged on one side of the light emitting surface of the lamp bead, and a diaphragm piece is arranged on one side of the light source diffusion plate.
The utility model has the technical effects and advantages that:
The lens components in the parallel light source are combined through the plurality of groups of lenses, the distances between the lenses are reasonably distributed, the high-brightness LED lamp beads are allocated, the circular light spots are uniform, the brightness is higher, the overall appearance length of the parallel light source is shorter, the parallel light source is beneficial to being installed in a narrow space, the practical value of the market is more beneficial, and meanwhile, the edge sharpness of images is greatly improved, so that the product detection precision is improved.
Drawings
Fig. 1 is a schematic structural diagram of a telecentric parallel light source according to an embodiment of the application;
FIG. 2 is a schematic diagram of a lens assembly in a telecentric parallel light source according to an embodiment of the application;
Fig. 3 is a schematic structural diagram of an LED lamp assembly in a telecentric parallel light source according to an embodiment of the present application;
Fig. 4 is an enlarged view of a telecentric parallel light source at a in fig. 2 according to an embodiment of the application.
In the figure:
1. A lens assembly; 2. an LED lamp assembly; 11. a housing; 12. a lenticular lens sheet; 13. plano-convex lens a; 14. biconcave lenses; 15. plano-concave lenses; 16. a plano-convex lens B; 21. a heat sink; 22. a heat sink; 23. a lamp bead; 24. a light source diffusion plate; 25. a diaphragm member.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Examples
Referring to fig. 1 to 4, in this embodiment, a telecentric parallel light source is provided, which includes a lens assembly 1 and an LED lamp assembly 2, wherein the lens assembly 1 is formed by combining a plurality of lenses with different specifications, and has the characteristics of uniform light spots, small external dimensions and convenient installation;
The light emitting end of the LED lamp assembly 2 is fixedly connected with the light inlet end of the lens assembly 1, so that light emitted by the LED lamp assembly 2 can be emitted through the lens assembly 1 to form a required light source, and the light emitting power of the LED lamp assembly 2 is adjustable to further meet the requirements of different light sources;
Specifically, the lens assembly 1 includes a housing 11, the cross section of the housing 11 is of an irregular funnel-shaped structure, one end with a small opening is connected with the LED lamp assembly 2 and is provided with a light source inlet, whereas the other end is provided with a light source outlet, so that light enters from a smaller light inlet, and after passing through different lenses, the light enters from a larger light outlet;
A plano-convex lens B16 is arranged in the shell 11 at the position of the light source inlet, the convex surface of the plano-convex lens B16 is close to the LED lamp assembly 2, a plano-concave lens 15 is arranged on one side of the plano-convex lens B16, and the concave surface of the plano-concave lens 15 is close to the plano-convex lens B16;
The middle part of the shell 11 is provided with a plano-convex lens A13 and a biconcave lens 14, wherein the biconcave lens A14 is arranged on one side, close to a light source outlet, of the biconcave lens A13, the convex surface of the plano-convex lens A13 is arranged on one side, close to the light source outlet, of the shell 11, the biconvex lens 12 is arranged at the position, through the structural design of installing different lenses at different positions, the lens combination is optimized, the positions of the lenses are reasonably distributed, and the lenses in the lens assembly 1 are fixedly locked with the shell 11 by the pressing ring, so that the length of the lens assembly 1 is shortened to an optimal value, and a circular light spot can be emitted when the lens assembly is assembled together with the LED lamp assembly 2 for providing a light source, and the light spot uniformity is higher at the moment;
The LED lamp assembly 2 comprises lamp beads 23, the maximum power of the lamp beads 23 is 10W, the lamp beads 23 are arranged on the radiator 21, the radiator 21 can improve the radiating effect, the service life of the lamp beads 23 is prolonged, and a plurality of radiating grooves 22 are formed in the surface of the radiator 21 and can accelerate the radiating effect;
A light source diffusion plate 24 is provided on one side of the light emitting surface of the lamp bead 23, and a diaphragm member 25 is provided on one side of the light source diffusion plate 24.
After the lens component 1 and the LED lamp component 2 are combined together, the highlighted LED lamp beads 23 are adjusted through the light source diffusion plate 24 and then the diaphragm component 25, so that a very uniform round light spot can be formed when the lens component 1 is matched, when the detection and measurement requirements exist, the detected product is irradiated by the parallel light source, an image with a particularly sharp edge can be extracted at the CCD camera end, the image effect is good, and the measurement precision of software can be greatly improved.
The lens component 1 in the parallel light source is combined by a plurality of groups of lenses, the distance between the lenses is reasonably distributed, the high-brightness LED lamp beads 23 are allocated, the circular light spots are uniform, the brightness is higher, the overall appearance length of the parallel light source is shorter, the parallel light source is beneficial to being installed in a narrow space, the practical value of the market is more beneficial, and meanwhile, the edge sharpness of an image is greatly improved, so that the product detection precision is improved.
The parallel light source improves the uniformity of light spots of the parallel light source; the power of the lamp beads 23 is larger and can reach 10W, and the effect of the light source is more concentrated through the effect of the light source diffusion plate 24; the external dimension of the parallel light source is smaller, and the installation is more convenient and flexible; the power of the lamp beads 23 is variable, the uniformity of the light spots is better, the requirements of high-power parallel light sources of clients are better met, and the lamp beads have wider market value.
It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (3)
1. A telecentric parallel light source, comprising:
The lens component (1) is formed by combining a plurality of lenses with different specifications and has the characteristics of uniform light spots, small external dimension and convenient installation;
An LED lamp assembly (2) with adjustable luminous power;
One light-emitting end of the LED lamp component (2) is fixedly connected with the light-entering end of the lens component (1);
the lens assembly (1) comprises a shell (11), the cross section of the shell (11) is of an irregular funnel-shaped structure, one end with a small opening is connected with the LED lamp assembly (2) and is provided with a light source inlet, and the other end is provided with a light source outlet;
A plano-convex lens B (16) is arranged at the position, located at the light source inlet, in the shell (11), the convex surface of the plano-convex lens B (16) is close to the LED lamp assembly (2), a plano-concave lens (15) is arranged at one side of the plano-convex lens B (16), and the concave surface of the plano-concave lens (15) is close to the plano-convex lens B (16);
A plano-convex lens A (13) and a biconcave lens (14) are arranged in the middle of the shell (11), the plano-convex lens A (13) is arranged on one side of the biconcave lens (14) close to the light source outlet, and the convex surface of the plano-convex lens A (13) is arranged on one side of the biconcave lens A close to the light source outlet;
A lenticular sheet (12) is provided in the housing (11) at the position of the light source outlet.
2. The telecentric parallel light source according to claim 1, characterized in that the LED lamp assembly (2) comprises a lamp bead (23), the maximum power of the lamp bead (23) is 10W, the lamp bead (23) is mounted on a radiator (21), and a plurality of radiating grooves (22) are arranged on the surface of the radiator (21).
3. A telecentric parallel light source according to claim 2, characterized in that the light-emitting surface of the lamp beads (23) is provided with a light-source diffusion plate (24) on one side, and in that the light-source diffusion plate (24) is provided with a diaphragm (25) on one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322296468.7U CN220933285U (en) | 2023-08-25 | 2023-08-25 | Telecentric parallel light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322296468.7U CN220933285U (en) | 2023-08-25 | 2023-08-25 | Telecentric parallel light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220933285U true CN220933285U (en) | 2024-05-10 |
Family
ID=90960711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322296468.7U Active CN220933285U (en) | 2023-08-25 | 2023-08-25 | Telecentric parallel light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220933285U (en) |
-
2023
- 2023-08-25 CN CN202322296468.7U patent/CN220933285U/en active Active
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