CN115220223A - Imaging system and lens structure - Google Patents
Imaging system and lens structure Download PDFInfo
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- CN115220223A CN115220223A CN202211039185.8A CN202211039185A CN115220223A CN 115220223 A CN115220223 A CN 115220223A CN 202211039185 A CN202211039185 A CN 202211039185A CN 115220223 A CN115220223 A CN 115220223A
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- lens
- light
- imaging system
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- receiving part
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B17/00—Systems with reflecting surfaces, with or without refracting elements
- G02B17/08—Catadioptric systems
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Abstract
The invention discloses an imaging system, which comprises a first lens and a second lens which are respectively used for transmitting visible light and infrared light, wherein the first lens is embedded in the second lens, the backlight surface of the first lens corresponds to a first receiving component which is used for receiving the light which penetrates through the first lens, a reflecting component is arranged between the first lens and the first receiving component and is used for reflecting the light which penetrates through the second lens, a light-transmitting opening is formed in the reflecting component and is used for allowing the light which penetrates through the first lens to pass through, and the reflecting surface of the reflecting component corresponds to a second receiving component which is used for receiving the reflected light of the reflecting component. The imaging system has compact structure, small volume and convenient use and carrying. The first lens is embedded in the second lens, and an expansion groove is formed between the first lens and the second lens and fixedly connected with the first lens through glue. The lens structure integrates two lenses, is convenient to carry and can meet the use requirement of an imaging system.
Description
Technical Field
The present invention relates to the field of imaging devices, and particularly to an imaging system and a lens structure.
Background
The existing imaging device, such as a sighting device, includes a white light lens, an infrared light lens and a receiving module respectively corresponding to the white light lens and the infrared light lens, and because of the influence of a light path and the requirement of arrangement of corresponding parts and overall harmony, the white light lens and the infrared light lens must be separately arranged, but the problem of large volume of the whole imaging device must be caused. In order to avoid the problem of large volume, two sets of imaging devices are usually adopted, one set is a white light imaging device for use in daytime, and the other set is an infrared light imaging device for use at night.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide an imaging system which has compact integral structure and small volume and increases the convenience of use and carrying.
The lens structure integrates the white light lens and the infrared light lens into a whole, is convenient to carry and can meet the use requirement of an imaging system.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides an imaging system, includes first lens and the second lens that is used for transmission visible light and infrared light respectively, first lens is inlayed in the second lens, the backlight face of first lens corresponds and has arranged first receiving element for the light of receiving through first lens, first lens is equipped with reflection part with the interval of first receiving element, is used for the light of reflection transmission second lens, be equipped with the light-transmitting hole on the reflection part, the light that supplies to see through first lens passes, the reflection part's reflection of light face corresponds and has arranged second receiving element for receiving reflection part's reverberation.
As a further improvement of the technical scheme:
and a combination hole is formed in the middle of the second lens, and the first lens is inlaid in the combination hole.
The light facing surface of the first lens is a curved surface protruding outwards.
The second lens is annular, and the light facing surface of the second lens is an outwardly convex cambered surface.
The reflecting component is obliquely arranged relative to the backlight surface of the second lens.
The light-transmitting opening is arranged in the middle of the reflecting component.
The first receiving component is provided with a first filtering component on one side facing the first lens, and the second receiving component is provided with a second filtering component on one side facing the reflecting component.
The imaging system further comprises a display module, and the first receiving part and the second receiving part are both connected with the display module.
An expansion groove is formed between the first lens and the second lens and is fixedly connected with the first lens through glue.
A lens structure comprises a first lens and a second lens which are used for transmitting visible light and infrared light respectively, wherein the first lens is embedded in the second lens, an expansion groove is formed between the first lens and the second lens, and the first lens and the second lens are fixedly connected through glue.
Compared with the prior art, the invention has the advantages that:
the imaging system of the invention, in order to solve a series of technical problems brought by the split arrangement of the white light lens and the infrared light lens in the prior art, creatively inlays the first lens and the second lens into a whole, and combines the arrangement of the reflection part, and distributes the first receiving part and the second receiving part in different directions relative to the lenses, thereby achieving the purposes of making the whole structure compact, small and increasing the convenience of use and carrying.
The lens structure integrates the white light lens and the infrared light lens into a whole, is convenient to carry and can meet the use requirement of an imaging system.
Drawings
Fig. 1 is a schematic perspective view of a first viewing angle of an imaging system of the present invention.
Fig. 2 is a schematic front view of the imaging system of the present invention.
Fig. 3 is a perspective view of a second viewing angle of the lens of the imaging system of the present invention.
Fig. 4 is a schematic view of the combination of lenses of the imaging system of the present invention.
Fig. 5 is a schematic structural view of the lens structure of the imaging system of the present invention. The reference numerals in the figures denote:
1. a first lens; 11. a curved surface; 2. a second lens; 21. a combination hole; 22. a cambered surface; 3. a first receiving part; 4. a reflective member; 41. a light-transmitting opening; 5. a second receiving section; 6. a first filtering part; 7. a second filtering section; 8. and (4) an expansion tank.
Detailed Description
The invention will be described in further detail below with reference to the drawings and specific examples.
As used in this disclosure and in the claims, the terms "a," "an," "the," and/or "the" are not intended to be inclusive in the singular, but rather are inclusive in the plural unless the context clearly dictates otherwise. The use of "first," "second," and the like in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Similarly, the word "comprising" or "comprises", and the like, means that the element or item preceding the word comprises the element or item listed after the word and its equivalent, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
The first embodiment is as follows:
fig. 1 to 4 show an embodiment of the imaging system of the present invention, the imaging system includes a first lens 1 and a second lens 2 for transmitting visible light and infrared light, respectively, the first lens 1 is embedded in the second lens 2, a first receiving part 3 is disposed on a backlight surface of the first lens 1, for receiving light transmitted through the first lens 1, a reflecting part 4 is disposed between the first lens 1 and the first receiving part 3, for reflecting light transmitted through the second lens 2, a light transmitting opening 41 is disposed on the reflecting part 4, for light transmitted through the first lens 1 to pass through, and a second receiving part 5 is disposed on a light reflecting surface of the reflecting part 4, for receiving reflected light of the reflecting part 4.
In order to solve a series of technical problems caused by the fact that a white light lens and an infrared light lens are required to be arranged separately in the prior art, the imaging system creatively inlays the first lens 1 and the second lens 2 into a whole, and distributes the first receiving part 3 and the second receiving part 5 in different directions relative to the lenses by combining the arrangement of the reflecting part 4, so that the overall structure is compact, the size is small, and the convenience in use and carrying is increased.
This imaging system is applied to aiming device as the example, and first lens 1 is used for transmitting the infrared light, and second lens 2 is used for transmitting the visible light, has this imaging system's aiming device, and integrated first lens 1 and second lens 2 and an organic whole both can use daytime, can use evening again, do not need two kinds of aiming device of change in turn daytime, use and convenient to carry.
In this embodiment, the middle portion of the second lens 2 is provided with a combination hole 21, and the first lens 1 is embedded in the combination hole 21. The first lens 1 is used for transmitting infrared light, and the second lens 2 is used for transmitting visible light. The first lens 1 and the second lens 2 are embedded into a whole through the opening, and the assembly is convenient.
In this embodiment, the light facing surface of the first lens 1 is a curved surface 11 protruding outward. Specifically, the curved surface 11 is an aspherical surface.
In this embodiment, the light-facing surface of the second lens 2 is an outwardly convex cambered surface 22. Specifically, the second lens 2 becomes thicker gradually from the outside to the inside. The first lens 1 becomes thicker from the outer periphery toward the center. The thickness of the peripheral side of the first lens 1 is the same as the thickness of the inner side of the second lens 2.
In this embodiment, the second lens 2 is annular. The peripheral side of the first lens 1 is fitted to the inner side of the second lens 2.
In this embodiment, the reflecting member 4 is provided obliquely with respect to the back surface of the second lens 2. The first receiving member 3 is provided at a position where the infrared light transmitted through the first lens 1 is condensed on the first receiving member 3. The second receiving member 5 is disposed at a position such that the visible light transmitted through the second lens 2 is condensed onto the second receiving member 5. Preferably, the centre line of the first receiving part 3 is collinear with the centre line of the first lens 1 and the centre line of the second receiving part 5 is perpendicular to the centre line of the first receiving part 3.
In the present embodiment, the light transmission opening 41 is provided in the middle of the reflecting member 4. Specifically, the light transmission opening 41 is located on the center line of the first lens 1.
In this embodiment, the first receiving part 3 is provided with a first filter part 6 on the side facing the first lens 1. The first filter means 6 is arranged to filter out light waves other than infrared light.
In this embodiment, the second receiving member 5 is provided with a second filter member 7 on the side facing the reflecting member 4. The second filter element 7 is used to filter out light waves other than visible light.
In this embodiment, the imaging system further comprises a display module (not shown in the drawings), to which both the first receiving part 3 and the second receiving part 5 are connected. The display module can display both infrared images and visible images, is convenient for observers to observe and use, and has compact structure and reasonable layout.
The first receiving part 3 and the second receiving part 5 are both photo-imaging devices.
The first lens 1 and the second lens 2 are made of an optical material such as glass or resin.
In other embodiments, as shown in fig. 5, the first lens 1 and the second lens 2 have an expansion groove 8 therebetween and are fixedly connected by glue.
The expansion groove 8 is arranged at the joint of the first lens 1 and the second lens 2, can be arranged on the first lens 1 and also can be arranged on the second lens 2, or the expansion groove 8 is arranged on the first lens 1 and the second lens 2, so that the first lens 1 and the second lens 2 are prevented from being damaged due to mutual extrusion when the first lens 1 and the second lens 2 expand with heat and contract with cold.
Example two:
fig. 5 shows an embodiment of the lens structure of the present invention, which includes a first lens 1 and a second lens 2 for transmitting visible light and infrared light, respectively, wherein the first lens 1 is embedded in the second lens 2, and an expansion groove 8 is formed between the first lens 1 and the second lens 2 and is fixedly connected with the first lens 2 by glue. The two lenses of the first lens 1 and the second lens 2 for transmitting visible light and infrared light are combined into a whole by the lens structure, and the lens structure is relatively split, so that the occupied space is small, the carrying is convenient, and the use requirement of an imaging system can be met.
The expansion groove 8 is arranged at the joint of the first lens 1 and the second lens 2, can be arranged on the first lens 1 and also can be arranged on the second lens 2, or the expansion groove 8 is arranged on the first lens 1 and the second lens 2, so that the first lens 1 and the second lens 2 are prevented from being damaged due to mutual extrusion when the first lens 1 and the second lens 2 expand with heat and contract with cold.
In this embodiment, the middle portion of the second lens 2 is provided with a combination hole 21, and the first lens 1 is embedded in the combination hole 21. The first lens 1 is used for transmitting infrared light, also called infrared light lens, and the second lens 2 is used for transmitting visible light, also called white light lens. The first lens 1 and the second lens 2 are embedded into a whole through the opening, and the assembly is convenient.
In this embodiment, the light facing surface of the first lens 1 is a curved surface 11 that is convex outward. Specifically, the curved surface 11 is an aspherical surface.
In this embodiment, the light-facing surface of the second lens 2 is an outwardly convex cambered surface 22. Specifically, the second lens 2 becomes thicker gradually from the outside to the inside. The first lens 1 becomes thicker from the outer periphery toward the center. The thickness of the peripheral side of the first lens 1 is the same as the thickness of the inner side of the second lens 2.
In this embodiment, the second lens 2 is annular. The peripheral side of the first lens 1 is fitted to the inner side of the second lens 2.
The first lens 1 and the second lens 2 are made of an optical material such as glass or resin.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make many possible variations and modifications to the disclosed solution, or modify equivalent embodiments using the teachings disclosed above, without departing from the scope of the solution. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention shall fall within the protection scope of the technical solution of the present invention, unless the technical essence of the present invention departs from the content of the technical solution of the present invention.
Claims (10)
1. An imaging system, characterized by: including first lens (1) and second lens (2) that are used for transmission visible light and infrared light respectively, first lens (1) is inlayed in second lens (2), the shady face of first lens (1) corresponds and has arranged first receiving part (3) for the light of receiving through first lens (1), it is equipped with reflection part (4) to separate between first lens (1) and first receiving part (3) for the light of reflection transmission second lens (2), be equipped with light-permeable opening (41) on reflection part (4), the light that supplies to see through first lens (1) passes, second receiving part (5) have been arranged to the reflection of light face correspondence of reflection part (4) for the reverberation of receiving reflection part (4).
2. The imaging system of claim 1, wherein: the middle part of the second lens (2) is provided with a combination hole (21), and the first lens (1) is inlaid in the combination hole (21).
3. The imaging system of claim 2, wherein: the light facing surface of the first lens (1) is a curved surface (11) which protrudes outwards.
4. The imaging system of claim 3, wherein: the second lens (2) is annular, and the light facing surface of the second lens (2) is an outwardly convex cambered surface (22).
5. The imaging system of claim 1, wherein: the reflecting component (4) is obliquely arranged relative to the backlight surface of the second lens (2).
6. The imaging system of claim 1, wherein: the light-transmitting opening (41) is arranged in the middle of the reflecting component (4).
7. The imaging system of any of claims 1 to 6, wherein: the side of the first receiving part (3) facing the first lens (1) is provided with a first filtering part (6), and the side of the second receiving part (5) facing the reflecting part (4) is provided with a second filtering part (7).
8. The imaging system of any of claims 1 to 6, wherein: the imaging system further comprises a display module, and the first receiving part (3) and the second receiving part (5) are both connected with the display module.
9. The imaging system of any of claims 1 to 6, wherein: an expansion groove (8) is formed between the first lens (1) and the second lens (2) and is fixedly connected with the first lens through glue.
10. A lens structure, characterized by: the infrared-reflection-type optical lens comprises a first lens (1) and a second lens (2) which are used for transmitting visible light and infrared light respectively, wherein the first lens (1) is inlaid in the second lens (2), and an expansion groove (8) is formed between the first lens (1) and the second lens (2) and is fixedly connected with the first lens (1) and the second lens (2) through glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211039185.8A CN115220223A (en) | 2022-08-29 | 2022-08-29 | Imaging system and lens structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211039185.8A CN115220223A (en) | 2022-08-29 | 2022-08-29 | Imaging system and lens structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115220223A true CN115220223A (en) | 2022-10-21 |
Family
ID=83617706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211039185.8A Pending CN115220223A (en) | 2022-08-29 | 2022-08-29 | Imaging system and lens structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115220223A (en) |
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2022
- 2022-08-29 CN CN202211039185.8A patent/CN115220223A/en active Pending
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