CN219392355U - Optical lens assembly - Google Patents

Abstract

The utility model discloses an optical lens assembly, and relates to the technical field of lenses. The optical lens assembly includes: the lens barrel is provided with an accommodating groove and a cover body which is matched with the accommodating groove, and the accommodating groove is used for accommodating a lens wiping tool; the lens is arranged in the lens barrel, the plane where the lens is arranged is perpendicular to the optical axis direction of the lens barrel, and a heating film is arranged on one surface of the lens. The optical lens assembly can effectively solve the problem that the inner surface and the outer surface of the lens are fogged to influence imaging, and can conveniently clean dirt or water stains on the lens.

Description

Optical lens assembly

Technical Field

The present disclosure relates to lens assemblies, and particularly to an optical lens assembly.

Background

Optical lenses are used to provide real image information, an indispensable component in machine vision systems, and are widely used in a variety of industries.

The optical lens directly affects the imaging quality. In continuous overcast and rainy, frost or cold and hot alternate environments, the inner and outer surfaces of the lens are extremely easy to fog or frost, so that the optical performance of the optical lens is influenced, a blurring phenomenon is generated, and the effect of an obtained image is further influenced. In addition, after the optical lens is used for a long time, dirt is easy to appear on the surface of the lens, water stains are easy to appear after the water mist on the surface of the lens is dried, and especially when a user does not carry tools such as a lens wiping cloth to clean the lens in time, the conditions can directly influence the normal use of the optical lens.

Therefore, it is very important to provide an optical lens with a convenient anti-fog and anti-fouling function.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the optical lens assembly which can effectively solve the problem that the inner and outer surfaces of the lens are fogged to influence imaging, and can conveniently clean dirt or water stains on the lens.

In a first aspect of the present utility model, there is provided an optical lens assembly comprising:

the lens barrel is provided with an accommodating groove and a cover body which is matched with the accommodating groove, and the accommodating groove is used for accommodating a lens wiping tool;

the lens is arranged in the lens barrel, the plane where the lens is arranged is perpendicular to the optical axis direction of the lens barrel, and a heating film is arranged on one surface of the lens.

The optical lens assembly provided by the embodiment of the utility model has at least the following beneficial effects:

through setting up the heating film at the lens surface of optical lens subassembly, to the lens heats, can solve the problem that the lens internal and external surface foggy that leads to because of continuous overcast and rainy, frost or cold and hot condition such as alternate to keep the lens clear, facilitate the use. In addition, through setting up the holding tank on the lens cone surface of optical lens subassembly to place the mirror instrument of wiping, be convenient for clean spot or the water stain on the lens, can effectively avoid carrying the mirror instrument because of forgetting, the condition emergence of the use of influence optical lens.

In some embodiments of the present utility model, the number of the lenses is plural, and plural lenses are disposed at intervals along the optical axis direction in the lens barrel.

In some embodiments of the utility model, the cover is slidably coupled to the receiving slot.

In some embodiments of the present utility model, a first silicon nitride film layer, a first silicon dioxide film layer, a second silicon nitride film layer, a second silicon dioxide film layer, a third silicon nitride film layer, and a third silicon dioxide film layer are further disposed between the lens and the heating film in sequence.

In some embodiments of the utility model, the heating film is connected to the heating control member by a wire.

In some embodiments of the utility model, a temperature monitoring component is also included for monitoring the temperature of the heating film.

In some embodiments of the utility model, the wire comprises at least one of a copper wire, a copper film, a copper foil, a silver wire, and an aluminum wire.

In some embodiments of the utility model, the heating film is an ITO film layer.

In some embodiments of the utility model, the lens barrel further comprises a rubber ring, and the lens barrel and the lens are connected through the rubber ring.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic diagram of an optical lens assembly according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram showing the connection between a lens and a heating control component according to an embodiment of the present utility model;

fig. 3 is a schematic cross-sectional view of fig. 2 along A-A.

Reference numerals:

a lens barrel 110, a receiving groove 111;

the lens 120, the first silicon nitride film 121, the first silicon dioxide film 122, the second silicon nitride film 123, the second silicon dioxide film 124, the third silicon nitride film 125, the third silicon dioxide film 126, and the heating film 127;

heating control part 131, wire 132.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the direction or positional relationship indicated with respect to the description of the orientation, such as up, down, etc., is based on the direction or positional relationship shown in the drawings, is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, plural means two or more. The description of first, second, and third is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1, an optical lens assembly according to an embodiment of the present utility model includes:

a lens barrel 110, the exterior of which is provided with a receiving groove 111 and a cover (not shown in the drawing) adapted to the receiving groove 111, the receiving groove 111 being used for placing a lens wiping tool;

the lens 120, the lens 120 is in the lens barrel 110, and the plane of the lens 120 is perpendicular to the optical axis direction of the lens barrel 110, and the surface of the lens 120 is provided with a heating film 127.

By providing the heating film 127 on one surface of the lens 120 of the optical lens assembly to heat the lens 120, the optical lens assembly of the above embodiment can solve the problem of fogging of the inner and outer surfaces of the lens 120 caused by continuous overcast and rainy, frost or alternate hot and cold conditions, thereby keeping the lens 120 clear and being convenient for use.

Through setting up the holding tank at the lens cone 110 surface of optical lens subassembly to place the mirror instrument of wiping, be convenient for clean the spot on the lens, can effectively avoid forgetting to carry the mirror instrument, and the condition that influences the use of optical lens takes place.

Specifically, the number of lenses 120 is plural, and the plural lenses 120 are disposed at intervals along the optical axis direction in the lens barrel 110. The material of the lens 120 may be selected according to the need, such as a sapphire optical lens. The sapphire optical lens has high hardness, scratch resistance, acid and alkali corrosion resistance and long service life.

It can be understood that the lenses 120 may be fixed by a limiting portion on the inner wall of the lens barrel 110, or may be fixed by a fixing adhesive. The limiting portion may be a slot or a rib, and a person skilled in the art may select a suitable manner to fix the lenses 120 according to needs, so long as the purpose of preventing the relative movement between the lenses 120 can be achieved.

Specifically, the cover is slidably coupled with the receiving groove 111. The mirror wiping tool in the storage groove can be prevented from falling off by the cover body. Compared with other connection modes, such as hinging and clamping, the cover body can be connected with the accommodating groove 111 in a sliding manner, so that the required space for taking the mirror cleaning tool can be effectively reduced, the cover body is more convenient to open, and the attractiveness is improved.

Referring to fig. 2, the optical lens assembly further includes a heating control part 131, and the heating film 127 is connected to the heating control part 131 through a wire 132. It is understood that the wire 132 is connected to the heating control member 131 or the heating film 127 by welding.

Specifically, the conductive line 132 includes at least one of a copper line, a copper film, a copper foil, a silver line, and an aluminum line.

Specifically, the optical lens assembly further includes a temperature monitoring part for monitoring the temperature of the heating film 127. The temperature monitoring component includes, but is not limited to, a negative temperature coefficient thermistor or a positive temperature coefficient thermistor. Through utilizing the temperature monitoring part to monitor the temperature of heating film 127, do benefit to and adjust the heating process including temperature and the logical of heating according to the monitoring result to can improve the efficiency of getting rid of water smoke and frost, can also effectively avoid burning out and the user of lens that leads to because of heating temperature is too high is scalded.

It is understood that the number of temperature monitoring components may be plural. The temperature monitoring component may be disposed on the surface of the lens 120. During the heating process, if the temperature monitoring component shows that the temperature of the lens 120 is too high, the heating control component 131 can be regulated to reduce the power supply or cut off the power; if the temperature monitoring means shows that the temperature of the lens 120 is too low, the heating control means 131 may be regulated to increase the power supply.

Specifically, the heating film 127 is a ITO (Indium TinOxides) film layer. The film layer made of silver nanowires, graphene, carbon nanotubes or metal grids can also be selected by those skilled in the art. Compared with other film layers, the ITO film layer, namely the nano indium tin metal oxide film layer, has higher light transmittance, can cut off electron radiation, ultraviolet rays and far infrared rays harmful to human bodies, has the reflectivity of 70 percent to infrared rays, has the absorptivity of more than or equal to 85 percent to ultraviolet rays and has the attenuation rate of more than or equal to 85 percent to microwaves.

Referring to fig. 3, a first silicon nitride film 121, a first silicon oxide film 122, a second silicon nitride film 123, a second silicon oxide film 124, a third silicon nitride film 125, and a third silicon oxide film 126 are sequentially disposed between the lens 120 and the heating film 127. Therefore, the light transmittance can be ensured, the specular reflection can be reduced, the brightness can be enhanced, the ghost image can be eliminated, and the imaging can be clear.

It will be appreciated that the thicknesses of the silicon nitride film and the silicon dioxide film may be reasonably selected by those skilled in the art. For example: the thickness of the first silicon nitride film 121 was 13nm, the thickness of the first silicon oxide film 122 was 35nm, the thickness of the second silicon nitride film 123 was 40nm, the thickness of the second silicon oxide film 124 was 20nm, the thickness of the third silicon nitride film 125 was 30nm, and the thickness of the third silicon oxide film 126 was 80nm.

Specifically, the optical lens assembly further includes a rubber ring, through which the lens barrel 110 is connected with the lens 120. The rubber ring can ensure the tightness of the optical lens assembly and prevent water mist and the like from entering the optical lens assembly, thereby influencing the normal use of the optical lens.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model. Furthermore, embodiments of the utility model and features of the embodiments may be combined with each other without conflict.

Claims (9)

1. An optical lens assembly, comprising:

a lens barrel (110), wherein a containing groove (111) and a cover body matched with the containing groove are arranged outside the lens barrel, and the containing groove (111) is used for placing a lens wiping tool;

the lens (120), the lens (120) is in the lens barrel (110), the plane of the lens (120) is perpendicular to the optical axis direction of the lens barrel (110), and a heating film (127) is arranged on one surface of the lens (120).

2. The optical lens assembly according to claim 1, wherein the number of the lenses (120) is plural, and the plural lenses (120) are disposed at intervals along the optical axis direction in the lens barrel (110).

3. An optical lens assembly according to claim 1, wherein the cover is slidably connected with the receiving groove (111).

4. The optical lens assembly according to claim 1, wherein a first silicon nitride film layer (121), a first silicon dioxide film layer (122), a second silicon nitride film layer (123), a second silicon dioxide film layer (124), a third silicon nitride film layer (125) and a third silicon dioxide film layer (126) are further disposed between the lens (120) and the heating film (127) in sequence.

5. The optical lens assembly according to claim 1, further comprising a heating control member (131), the heating film (127) being connected to the heating control member (131) by a wire (132).

6. The optical lens assembly of claim 1, further comprising a temperature monitoring component for monitoring a temperature of the heating film (127).

7. The optical lens assembly of claim 5, wherein the wire (132) comprises at least one of copper wire, copper film, copper foil, silver wire, and aluminum wire.

8. The optical lens assembly according to claim 1, wherein the heating film (127) is an ITO film layer.

9. The optical lens assembly according to claim 1, further comprising a rubber ring through which the lens barrel (110) and the lens (120) are connected.