Lens set for distance sensor
By designing a lightweight plastic lens set and laying a protective film on its surface, the problem of heavy weight of traditional lens sets is solved, and the lightweight handling of distance sensors is achieved.
Patent Information
- Application Number
- CN202420214063.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-30
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-01-30
AI Technical Summary
The traditional lens set is relatively large in weight, which increases the weight of the distance sensor itself, which makes it unfavorable for long-term handling.
A lens set for distance sensors is designed, made of plastic material, and dustproof lenses, reflective lenses, correction lenses, floating lenses, apertures, condenser lenses and focusing lenses are added to the lens set, respectively, through the lens barrel body. Connect it to the lens body, and lay an amplicon film, a nano-concentrating film and a fluorine coating on the surface to increase light transmission, concentration and protection performance, while ensuring the stability and sealing of the structure using springs and sealing rings.
The weight reduction of the lens set is achieved, avoiding scratches, and reducing the overall weight of the distance sensor through the protective film, which facilitates long-term handling.
Smart Images
Figure CN222212934U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lens groups, in particular to a lens group used for a distance sensor. Background Art
[0002] Distance sensors are auxiliary devices that are currently widely used in industrial automation, smart home and other fields. They can accurately measure the distance between the target object and the sensor through the reflection time of high-frequency sound waves or laser beams. They are not only important in positioning navigation, security monitoring, intelligent robots and other fields, but also bring a lot of convenience to our daily lives. Distance sensors have high-precision measurement capabilities and can accurately measure the distance between the target object and the sensor. High-precision ranging capability is the primary advantage of distance sensors, especially in application scenarios that require accurate positioning and distance judgment. In the distance sensor, the lens group reflects light, and after mirror reflection, the light enters the optical system inside the sensor. Through precise optical reflection and projection, the sensor can very accurately measure the displacement change of the object, ensuring the measurement accuracy.
[0003] However, the traditional lens group has the following disadvantages:
[0004] The traditional lens group is heavy, which increases the weight of the distance sensor itself, making it difficult for people to carry the distance sensor for a long time. Utility Model Content
[0005] The utility model aims to provide a lens group for a distance sensor, so as to solve the problem that the traditional lens group mentioned in the above background technology is heavy, increases the weight of the distance sensor itself, and is not conducive to people carrying the distance sensor for a long time.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lens group for a distance sensor, comprising a dustproof lens, a reflective lens is fixedly installed on one side of the dustproof lens, a correction lens is provided on one side of the reflective lens, a floating lens is provided on one side of the correction lens, an aperture is provided on one side of the floating lens, a condensing lens is provided on one side of the aperture, a focusing lens is provided on one side of the condensing lens, a limiting lens is fixedly installed on one side of the focusing lens, the dustproof lens and the limiting lens both comprise a lens barrel body and a lens body, springs are fixedly installed on both sides of the inner wall of the lens barrel body, pads are fixedly installed on the sides of the two springs away from the lens barrel body, and opposite sides of the two pads are respectively in contact and connected with two ends of the lens body.
[0007] Preferably, pressing plates are installed at both ends of both sides of the lens barrel body, and every two sides opposite to the pressing plates are in contact and connected with the side opposite to the lens body, and the pressing plates limit and fix the lens body from the outside.
[0008] Preferably, a sealing ring is sleeved between the lens barrel body and the lens body, and the sealing ring seals the gap between the lens barrel body and the lens body.
[0009] Preferably, one side of the lens body on the dust-proof lens is fixedly connected to the reflective lens, and one side of the lens body on the limiting lens is fixedly connected to the focusing lens.
[0010] Preferably, the surface of the reflective lens is paved with an anti-reflection film, which increases the light transmittance of the lens.
[0011] Preferably, the surface of the focusing lens is paved with a nano-light-concentrating film, and the thickness of the nano-light-concentrating film is thin to increase the focusing performance of the focusing lens.
[0012] Preferably, the surface of the dustproof lens and the surface of the limiting lens are both paved with a fluorine coating, which has the function of preventing acid rain and ultraviolet rays, and protects the dustproof lens and the limiting lens from the outside.
[0013] Compared with the prior art, the utility model has the beneficial effects that the lens group is a plastic lens, which is extremely light in weight and has a protective film on the outside to prevent scratches, thereby reducing the weight of the distance sensor itself and facilitating long-term transportation of the distance sensor. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a side view of the utility model;
[0015] Figure 2 This is a schematic diagram of the structure of the dustproof lens of the utility model;
[0016] Figure 3 It is a side view of the reflective lens of the utility model;
[0017] Figure 4 It is a side view of the condenser lens of the utility model.
[0018] In the figure: 1. dust-proof lens; 101. lens barrel body; 102. sealing ring; 103. spring; 104. pressing piece; 105. gasket; 106. lens body; 2. reflecting lens; 3. correcting lens; 4. floating lens; 5. aperture; 6. condensing lens; 7. focusing lens; 8. limiting lens; 9. anti-reflection film; 10. nano-condensing film; 11. fluorine coating. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.
[0020] See also Figure 1-4The utility model provides a lens group for a distance sensor, including a dustproof lens 1, a reflective lens 2 is fixedly installed on one side of the dustproof lens 1, a correction lens 3 is provided on one side of the reflective lens 2, a floating lens 4 is provided on one side of the correction lens 3, an aperture 5 is provided on one side of the floating lens 4, a condenser lens 6 is provided on one side of the aperture 5, a focusing lens 7 is provided on one side of the condenser lens 6, a limiting lens 8 is fixedly installed on one side of the focusing lens 7, the dustproof lens 1 and the limiting lens 8 both include a lens barrel body 101 and a lens body 106, springs 103 are fixedly installed on both sides of the inner wall of the lens barrel body 101, pads 105 are fixedly installed on the side of the two springs 103 away from the lens barrel body 101, and the opposite sides of the two pads 105 are respectively in contact with the two ends of the lens body 106.
[0021] Pressing plates 104 are installed at both ends of the lens barrel body 101 , and each two sides opposite to the pressing plates 104 are in contact with and connected to the side opposite to the lens body 106 , and the pressing plates 104 limit and fix the lens body 106 from the outside.
[0022] A sealing ring 102 is sleeved between the lens barrel body 101 and the lens body 106 , and the sealing ring 102 seals the gap between the lens barrel body 101 and the lens body 106 .
[0023] One side of the lens body 106 located on the dustproof lens 1 is fixedly connected to the reflective lens 2 , and one side of the lens body 106 located on the limiting lens 8 is fixedly connected to the focusing lens 7 .
[0024] The surface of the reflective lens 2 is paved with an anti-reflection film 9, which increases the light transmission performance of the lens.
[0025] The surface of the focusing lens 6 is paved with a nano-light-concentrating film 10 , and the thin thickness of the nano-light-concentrating film 10 increases the focusing performance of the focusing lens 6 .
[0026] The surface of the dustproof lens 1 and the surface of the stopper lens 8 are both paved with a fluorine coating 11, which has the function of preventing acid rain and ultraviolet rays, and protects the dustproof lens 1 and the stopper lens 8 from the outside.
[0027] When the embodiment of the present application is in use: after the lens group is installed on the distance sensor, the fluorine coating 11 plays a role in preventing acid rain and ultraviolet rays, and protects the dust-proof lens 1 and the limit lens 8 from the outside. The light first passes through the dust-proof lens 1 and then is reflected by the reflective lens 2. The correction lens 3 captures the reflected light through the floating lens 4, and the aperture 5 is used to fill in the dim light. Finally, it is focused by the condensing lens 6, and then after the focusing lens 7 is proofread for the second time, it is transmitted to the sensing element on the distance sensor through the limit lens 8. The lens group is a plastic lens, which is particularly light in weight and a protective film is laid on the outside to prevent scratches, thereby reducing the weight of the distance sensor itself.
[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A lens assembly for a distance sensor, comprising a dustproof lens (1), characterized in that: A reflecting lens (2) is fixedly mounted on one side of the dustproof lens (1), a correcting lens (3) is provided on one side of the reflecting lens (2), a floating lens (4) is provided on one side of the correcting lens (3), an aperture (5) is provided on one side of the floating lens (4), a focusing lens (6) is provided on one side of the aperture (5), a focusing lens (7) is provided on one side of the focusing lens (6), a limiting lens (8) is fixedly mounted on one side of the focusing lens (7), the dustproof lens (1) and the limiting lens (8) both comprise a lens barrel body (101) and a lens body (106), springs (103) are fixedly mounted on both sides of the inner wall of the lens barrel body (101), pads (105) are fixedly mounted on the sides of the two springs (103) away from the lens barrel body (101), and opposite sides of the two pads (105) are respectively in contact with two ends of the lens body (106).
2. The lens assembly for a distance sensor according to claim 1, characterized in that: Both ends of the lens barrel body (101) are provided with pressing plates (104), and each of the two sides opposite to the pressing plates (104) is in contact with and connected to the side opposite to the lens body (106).
3. The lens assembly for a distance sensor according to claim 1, characterized in that: A sealing ring (102) is sleeved between the lens barrel body (101) and the lens body (106).
4. The lens assembly for a distance sensor according to claim 1, characterized in that: One side of the lens body (106) located on the dustproof lens (1) is fixedly connected to the reflective lens (2), and one side of the lens body (106) located on the limiting lens (8) is fixedly connected to the focusing lens (7).
5. The lens assembly for a distance sensor according to claim 1, characterized in that: The surface of the reflective lens (2) is provided with an anti-reflection film (9).
6. The lens assembly for a distance sensor according to claim 1, characterized in that: The surface of the condensing lens (6) is paved with a nano-condensing film (10).
7. The lens assembly for a distance sensor according to claim 1, characterized in that: The surface of the dustproof lens (1) and the surface of the limiting lens (8) are both covered with a fluorine coating (11).