CN214225649U

CN214225649U - Camera shooting module

Info

Publication number: CN214225649U
Application number: CN202022760788.XU
Authority: CN
Inventors: 张扣文; 倪榆达; 唐新科
Original assignee: Zhejiang Sunyu Zhiling Technology Co ltd
Current assignee: Zhejiang Sunyu Zhiling Technology Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-09-17
Anticipated expiration: 2030-11-25

Abstract

The utility model relates to a camera module, include camera lens (1), be located camera lens (1) one side infrared light filling device (2), infrared light filling device (2) include lamp plate (21) and install first light filling lamp (22) and second light filling lamp (23) that the symmetry set up on lamp plate (21), first light filling lamp (22) with second light filling lamp (23) for the direction that camera lens (1) lateral wall leaned out is luminous, and first light filling lamp (22) with the nodical distance horizontal plane's of the light filling angle of second light filling lamp (23) highly is less than the focusing distance of camera lens (1). The utility model discloses a kind of module size of making a video recording is little.

Description

Camera shooting module

Technical Field

The utility model relates to the field of optical technology, especially, relate to a module of making a video recording.

Background

In recent years, with the continuous progress of science and technology and the continuous improvement of the living consumption level of people, the integration level of digital electronic equipment is higher and higher, equipment such as mobile phones, digital cameras and video cameras with the image pick-up function is developed towards the direction of miniaturization, ultra-thin telephone and easy carrying, and an optical lens is used as an essential component in a machine vision system and directly influences the quality of imaging quality and the overall dimension of the image pick-up equipment. This is especially true for in-vehicle monitoring wide-angle camera modules. The vehicle-mounted module needs to guarantee the reliability of the vehicle gauge level, the small and exquisite product size is achieved, and the installation compatibility of the product is improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve above-mentioned problem, provide a module of making a video recording that size is little.

For realizing the utility model discloses a purpose, the utility model provides a camera module, include the camera lens, be located the infrared light filling device of camera lens one side, infrared light filling device includes the lamp plate and installs first light filling lamp and the second light filling lamp that the symmetry set up on the lamp plate, first light filling lamp with the second light filling lamp for the direction that the camera lens lateral wall leaned out is luminous, and first light filling lamp with the nodical distance horizontal plane of light filling angle of second light filling lamp highly is less than the focusing distance of camera lens.

According to the utility model discloses an aspect, first light filling lamp with the size at the light filling angle of second light filling lamp is theta 1, first light filling lamp with the second light filling lamp respectively with the centraxonial slope contained angle of camera lens is theta, satisfies: theta 1+ theta > the field angle of the lens.

According to the utility model discloses an aspect, the camera lens is located first light filling lamp with outside the light filling angle of second light filling lamp.

According to the utility model discloses an aspect, first light filling lamp, second light filling lamp with the camera lens is arranged on perpendicular angle of vision.

According to the utility model discloses an aspect, the lamp plate is flexible circuit board, first light filling lamp with the second light filling lamp is fixed on the flexible circuit board, it is fixed on the flexible circuit board first light filling lamp with second light filling lamp department for first light filling lamp with one side of second light filling lamp is equipped with the metal reinforcement board respectively.

According to the utility model discloses an aspect, the casing that is in the light is kept away from one side of camera lens is equipped with the protruding muscle that is in the light.

According to an aspect of the utility model, the casing that is in the light with the support is metal material and makes.

According to an aspect of the utility model, the shell surface that is in the light is through mute light processing.

The utility model discloses a module of making a video recording with first light filling lamp and second light filling lamp fixed mounting on a lamp plate, sets up in one side of camera lens to be certain inclination setting, can reduce the whole size of the module of making a video recording. And the distance from the intersection point of the light supplementing angles of the first light supplementing lamp and the second light supplementing lamp to the horizontal plane is smaller than the focusing distance of the lens, so that the imaging clarity of the lens is guaranteed.

The utility model discloses a camera lens is located outside the light filling angle of first light filling lamp and second light filling lamp. So set up, can be so that the light that first light filling lamp and second light filling lamp sent can not shine on the lens, avoid taking place light interference, can make the distance setting between camera lens and first light filling lamp and the second light filling lamp as far as under this condition, be favorable to further reducing the size of the module of making a video recording. And theta 1+ theta is larger than the field angle of the lens, so that the first light supplement lamp and the second light supplement lamp can provide supplementary lighting assistance for imaging of the lens, and the imaging quality of the lens is ensured.

The utility model discloses a module of making a video recording, first light filling lamp, second light filling lamp and camera lens are arranged on perpendicular angle of vision. By the arrangement, the influence of stray light on imaging can be effectively reduced.

Drawings

Fig. 1 schematically shows a front view of a camera module according to the invention;

fig. 2 schematically shows a perspective view of a camera module according to the present invention;

fig. 3 schematically shows a structural view of a first fill light and a second fill light according to the present invention;

fig. 4 schematically shows a view of the arrangement angles of the first and second fill-in lamps according to the present invention;

fig. 5 schematically shows a diagram of a lamp panel structure according to the present invention;

fig. 6 schematically shows a structural view of a light barrier housing according to the invention.

Detailed Description

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 will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments, which are not repeated herein, but the present invention is not limited to the following embodiments.

With reference to fig. 1-4, the utility model provides a camera module, including camera lens 1 and the infrared light filling device 2 that is located camera lens 1 one side. The utility model discloses an infrared light filling device 2 includes lamp plate 21 and installs first light filling lamp 22 and the second light filling lamp 23 that the symmetry set up on lamp plate 21 the utility model discloses in, first light filling lamp 22 and second light filling lamp 23 lean out the direction for the camera lens lateral wall and shine to the nodical distance horizontal plane of the light filling angle (luminous angle scope) of first light filling lamp 22 and second light filling lamp 23 highly is less than the focusing distance of camera lens 1.

The utility model discloses a module of making a video recording, with first

light filling lamp

22 and 23 fixed mounting of second light filling lamp on a lamp plate 21, set up in one side of camera lens 1 to be certain inclination setting, can reduce the overall dimension of the module of making a video recording. And the distance from the intersection point of the light supplement angles of the first light supplement lamp 22 and the second light supplement lamp 23 to the horizontal plane is less than the focusing distance of the lens 1, which is beneficial to ensuring the clear imaging of the lens 1.

The utility model discloses a module of making a video recording, the size at the light filling angle of first light filling lamp 22 and second light filling lamp 23 is theta 1, and first light filling lamp 22 and second light filling lamp 23 are theta with the centraxonial slope contained angle of camera lens respectively, satisfy: θ 1+ θ + θ > the field angle of the lens 1. As shown in fig. 4, specifically, the fill-in angle is an angle range within which the first fill-in lamp 22 and the second fill-in lamp 23 can emit light. On the other hand, the utility model discloses a camera lens 1 is located outside the light filling angle of first light filling lamp 22 and second light filling lamp 23.

So set up, can make the light that first light filling lamp 22 and second light filling lamp 23 sent can not shine camera lens 1 on, avoid taking place light interference, can make the distance between camera lens 1 and first light filling lamp 22 and the second light filling lamp 23 set up as closely as possible under this condition, be favorable to further reducing the size of making a video recording the module. And theta 1+ theta > the field angle of the lens 1, which is beneficial to ensuring that the first supplementary lighting lamp 22 and the second supplementary lighting lamp 23 can provide supplementary lighting assistance for the imaging of the lens 1, and ensuring the imaging quality of the lens 1.

Combine fig. 1 to show, the utility model discloses a module of making a video recording, first light filling lamp 22, second light filling lamp 23 and camera lens 1 arrange on perpendicular angle of vision. By the arrangement, the influence of stray light on imaging can be effectively reduced.

Combine fig. 3 and fig. 5 to show, according to the utility model discloses an embodiment, the utility model discloses a lamp plate 21 is flexible circuit board, and first light filling lamp 22 and second light filling lamp 23 are fixed on flexible circuit board, and fixed first light filling lamp 22 and second light filling lamp 23 department are equipped with metal reinforcing plate 24 respectively for one side of first light filling lamp 22 and second light filling lamp 23 on the flexible circuit board. So set up, can make the heat efficient conduction that first light filling lamp 22 and second light filling lamp 23 work produced on the metal reinforcing plate, be favorable to the heat dissipation.

As shown in fig. 2 and fig. 6, the utility model discloses an infrared light filling device 2 still includes the casing 3 that is in the light that is connected with camera lens 1, according to the utility model discloses a conceive, the casing 3 that is in the light can carry out fixed connection through modes such as screwed connection, viscose or welding with camera lens 1. As shown in fig. 2 and 6, according to an embodiment of the present invention, the light blocking housing 3 and the lens 1 are fixed by screws.

Referring to fig. 6, the utility model discloses an inside support 31 that is used for installing lamp plate 21, first light filling lamp 22 and second light filling lamp 23 that is provided with of casing 3 that is in the light. According to the utility model discloses a think about, the shape of support 31 does not have the limitation, can be used for installing lamp plate 21, first light filling lamp 22 and second light filling lamp 23's structure in principle all can.

The utility model discloses a one side that is kept away from the camera lens of casing 3 that is in the light is equipped with protruding muscle 32 that is in the light. The light blocking ribs 32 can effectively block the light reflection path and eliminate the influence of stray light.

In the present invention, the light blocking housing 3 and the bracket 31 are made of metal material. So set up, the heat that first light filling lamp 22 and the work of second light filling lamp 23 produced can transmit to support 32 through metal reinforcing plate 24 and then to the casing 3 that is in the light, is favorable to quick heat dissipation.

Furthermore, the utility model discloses a 3 surfaces of the casing that are in the light are through mute light processing to can reduce the reflection of light in the module inside by a wide margin, eliminate stray light's influence.

The above description is only one embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a camera shooting module, includes camera lens (1), is located camera lens (1) one side infrared light filling device (2), infrared light filling device (2) include lamp plate (21) and install first light filling lamp (22) and second light filling lamp (23) that the symmetry set up on lamp plate (21), its characterized in that, first light filling lamp (22) with second light filling lamp (23) for the direction that camera lens (1) lateral wall leaned out is luminous, and first light filling lamp (22) with the highly is less than of the nodical distance horizontal plane of the light filling angle of second light filling lamp (23) the focusing distance of camera lens (1).

2. The camera module according to claim 1, wherein the size of the light compensation angle of the first light compensation lamp (22) and the second light compensation lamp (23) is θ 1, and the first light compensation lamp (22) and the second light compensation lamp (23) respectively have an inclined included angle θ with the central axis of the lens (1), so that the following requirements are met: theta 1+ theta > the angle of view of the lens (1).

3. The camera module according to claim 2, wherein the lens (1) is located outside the fill-in angles of the first fill-in light (22) and the second fill-in light (23).

4. The camera module according to claim 1 or 3, wherein the first fill-in light (22), the second fill-in light (23) and the lens (1) are arranged at a vertical field angle.

5. The camera module according to claim 4, wherein the lamp panel (21) is a flexible circuit board, the first light supplement lamp (22) and the second light supplement lamp (23) are fixed on the flexible circuit board, and a metal reinforcing plate (24) is respectively arranged on one side of the flexible circuit board, which is opposite to the first light supplement lamp (22) and the second light supplement lamp (23), where the first light supplement lamp (22) and the second light supplement lamp (23) are fixed.

6. The camera module according to claim 5, wherein the infrared light supplement device (2) further comprises a light-blocking housing (3) connected to the lens (1), and a bracket (31) for mounting the lamp panel (21), the first light supplement lamp (22) and the second light supplement lamp (23) is disposed inside the light-blocking housing (3).

7. The camera module according to claim 6, wherein a light blocking rib (32) is disposed on a side of the light blocking housing (3) away from the lens (1).

8. The camera module according to claim 6, characterized in that the light barrier housing (3) and the holder (31) are made of a metal material.

9. The camera module according to claim 6, wherein the surface of the light blocking housing (3) is matte.