CN214278523U - Continuous zooming infrared lens - Google Patents
Continuous zooming infrared lens Download PDFInfo
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- CN214278523U CN214278523U CN202120437433.9U CN202120437433U CN214278523U CN 214278523 U CN214278523 U CN 214278523U CN 202120437433 U CN202120437433 U CN 202120437433U CN 214278523 U CN214278523 U CN 214278523U
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Abstract
The utility model provides a zoom infrared camera lens in succession includes by thing side to picture side in proper order: the focusing lens group comprises a first lens, a focusing objective lens group, a focusing guide rail group and a connecting column; in the focusing process, the first lens is fixed, and the focusing objective lens group moves back and forth along the focusing guide rail group; one end of the connecting column is connected with the focusing objective lens group, and the other end of the connecting column is connected with the focusing guide rail group. The utility model discloses realize under the condition of a focusing section of thick bamboo and a focusing hand wheel that the focusing hand wheel can rotate always to a direction, realize zooming in succession.
Description
Technical Field
The utility model belongs to the technical field of the imaging technique and specifically relates to an infrared camera lens zooms in succession is related to.
Background
At present, when a focusing lens is used for focusing, a focusing groove is limited, so that a focusing hand wheel can only rotate in a returning direction after rotating to the limiting position in one direction, and the focusing hand wheel cannot rotate all the time in one direction.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a zoom infrared camera lens in succession can realize under the condition of a focusing section of thick bamboo and a focusing hand wheel that the focusing hand wheel can rotate to a direction always.
The utility model provides a zoom infrared camera lens in succession includes by thing side to picture side in proper order: the focusing lens group comprises a first lens, a focusing objective lens group, a focusing guide rail group and a connecting column; in the focusing process, the first lens is fixed, and the focusing objective lens group moves back and forth along the focusing guide rail group; one end of the connecting column is connected with the focusing objective lens group, and the other end of the connecting column is connected with the focusing guide rail group.
Further, the focusing objective lens group sequentially comprises from an object side to an image side: the lens comprises a second lens and a third lens, wherein the second lens and the third lens are arranged in parallel, and a distance is reserved between the second lens and the third lens.
Further, the total length of the lens of the focusing objective group is 19.5mm, and the distance between the second lens and the third lens is 11.25 mm.
Further, the object side surface of the first lens is a convex surface.
Further, the second lens and the third lens are positive power lenses.
Further, the second lens and the third lens are made of germanium glass.
Further, the guide rail formed by the focusing guide rail group is an arc-shaped guide rail groove.
Further, the distance between the first lens and the focusing objective lens group is 16.75 mm.
Furthermore, the two connecting columns are symmetrically arranged and continuously rotate on the guide rails of the focusing guide rail set, so that the aim of moving the focusing guide rail set back and forth is fulfilled.
The focusing guide rail set is connected with the focusing guide rail set, and the motor drives the focusing guide rail set to realize continuous movement zooming.
Compared with the prior art, the beneficial effects of the utility model are that: on one hand, the focusing guide rail group has no limit limitation and can slide all the time to realize continuous zooming; on the other hand, simple structure, the equipment is convenient.
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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic cross-sectional view of a continuous zoom infrared lens according to an embodiment of the present invention;
fig. 2 is a schematic view of a focusing guide set according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a focusing guide set according to an embodiment of the present invention;
fig. 4 is a schematic top view of an arc-shaped guide rail groove according to an embodiment of the present invention;
FIG. 5 is a right-side view of an arc-shaped guide rail groove according to an embodiment of the present invention;
fig. 6 is a diagram of the sliding track of the connection column in the arc-shaped guide rail groove according to the embodiment of the present invention.
Description of reference numerals:
1: a first lens; 2: a focusing objective lens group; 3: a focusing guide rail set; 4: connecting columns; 5: carrying out top thread; 6: a motor; 7: an arc-shaped guide rail groove.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to fig. 3, the present invention provides a continuous zoom infrared lens, sequentially comprising from an object side to an image side: the focusing lens comprises a first lens 1, a focusing objective lens group 2, a focusing guide rail group 3 and a connecting column 4. In the focusing process, the first lens 1 is fixed, and the focusing objective lens group 2 moves back and forth along the focusing guide rail group 3. One end of the connecting column 4 is connected with the focusing objective lens group 2, and the other end is connected with the focusing guide rail group 3. The focusing objective lens assembly 2 sequentially includes from an object side to an image side: the second lens and the third lens are arranged in parallel, and a distance is reserved between the second lens and the third lens.
Preferably, the total length of the lens of the focusing objective lens group 2 is 19.5mm, and the distance between the second lens and the third lens is 11.25 mm.
The object side surface of the first lens 1 is convex. The second lens and the third lens are positive focal power lenses. The second lens and the third lens are made of germanium glass.
The guide rail formed by the focusing guide rail group 3 is an arc-shaped guide rail groove 7. The distance between the first lens 1 and the focusing objective lens group 2 is 16.75 mm. Two connecting columns 4 are symmetrically arranged, and the connecting columns 4 continuously rotate on the arc-shaped guide rail grooves 7 of the focusing guide rail group 3, so that the aim of moving the focusing guide rail group 3 back and forth is fulfilled. Since the arc-shaped guide groove 7 is a continuous curved guide, the connecting column 4 can be rotated in one direction in unison.
The zoom lens further comprises a motor 6, wherein the motor 6 is connected with the focusing guide rail set 3, and drives the focusing guide rail set 3 to realize continuous movement zooming. The motor 6 rotates the focusing guide rail set 3 in the same direction to enable the objective lens set 2 to zoom back and forth. In order to fix the arc-shaped guide rail groove 7, the installation is performed by using the jackscrew 5.
The utility model discloses a theory of operation does: the motor 6 supplies power to the motor 6, the motor 6 drives the focusing guide rail set 4 to rotate in the same direction, so that the connecting column 4 is driven to rotate in the arc-shaped guide rail groove 7 of the focusing guide rail set 3 in the same direction all the time, and the connecting column 4 and the focusing objective lens set 2 are fixed together, so that the focusing guide rail set 3 drives the focusing objective lens set 2 to focus back and forth while rotating in the same direction all the time.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A continuous-zoom infrared lens is characterized by comprising the following components in sequence from an object side to an image side: the focusing lens comprises a first lens (1), a focusing objective lens group (2), a focusing guide rail group (3) and a connecting column (4); in the focusing process, the first lens (1) is fixed, and the focusing objective lens group (2) moves back and forth along the focusing guide rail group (3); one end of the connecting column (4) is connected with the focusing objective lens group (2), and the other end is connected with the focusing guide rail group (3).
2. A continuous-zoom infrared lens according to claim 1, characterized in that the focusing objective lens group (2) comprises, in order from object side to image side: the lens comprises a second lens and a third lens, wherein the second lens and the third lens are arranged in parallel, and a distance is reserved between the second lens and the third lens.
3. A zoom lens according to claim 2, wherein the focusing objective lens group (2) has an overall lens length of 19.5mm, and the distance between the second lens element and the third lens element is 11.25 mm.
4. A zoom lens as claimed in claim 2, characterized in that the object-side surface of the first lens (1) is convex.
5. A zoom lens as recited in claim 4, wherein said second lens element and said third lens element are positive power lenses.
6. A zoom lens as recited in claim 5, wherein the second lens element and the third lens element are made of germanium glass.
7. A zoom lens as set forth in claim 1, characterized in that the focusing guide set (3) is formed with guide rails in the form of arc-shaped guide groove (7).
8. A continuous-zoom infrared lens according to claim 1, characterized in that the distance between the first lens element (1) and the focusing objective lens group (2) is 16.75mm when not focusing.
9. The continuous zoom infrared lens as claimed in claim 7, wherein there are two connecting columns (4) symmetrically arranged, and the connecting columns (4) continuously rotate on the arc-shaped guide rail grooves (7) of the focusing guide rail set (3) to achieve the purpose of moving the focusing guide rail set (3) back and forth.
10. A continuous-zoom infrared lens according to claim 1, characterized by further comprising a motor (6), wherein the motor (6) is connected to the focusing guide set (3) to drive the focusing guide set (3) for continuous-movement zooming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120437433.9U CN214278523U (en) | 2021-03-01 | 2021-03-01 | Continuous zooming infrared lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120437433.9U CN214278523U (en) | 2021-03-01 | 2021-03-01 | Continuous zooming infrared lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214278523U true CN214278523U (en) | 2021-09-24 |
Family
ID=77792862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120437433.9U Active CN214278523U (en) | 2021-03-01 | 2021-03-01 | Continuous zooming infrared lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214278523U (en) |
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2021
- 2021-03-01 CN CN202120437433.9U patent/CN214278523U/en active Active
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230614 Address after: Room 1113, 11th floor, building 1, yard 1, Zhonghe Road, Fengtai District, Beijing 100071 Patentee after: Beijing Weifu Pasa Technology Co.,Ltd. Address before: 101318 4th floor, 30-1 / F, airport ronghuiyuan, airport economic core area, Shunyi District, Beijing Patentee before: Beijing Hongda Tiancheng Defense Equipment Technology Co.,Ltd. |