CN216449778U

CN216449778U - Fresnel pattern lens for intelligent camera

Info

Publication number: CN216449778U
Application number: CN202123352803.8U
Authority: CN
Inventors: 蔡宜霖
Original assignee: Dongguan Yiguan Plastic Hardware Electronic Co ltd
Current assignee: Dongguan Yiguan Plastic Hardware Electronic Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-05-06
Anticipated expiration: 2031-12-29

Abstract

The utility model relates to the technical field of Fresnel lenses, in particular to a Fresnel pattern lens for an intelligent camera, which comprises a shell and a condenser pattern arranged on the shell, wherein the shell comprises an installation outer edge, a fixed outer edge integrally connected with the installation outer edge and a U-shaped shell arranged on the fixed outer edge and protruding downwards, the condenser pattern is arranged on the bottom surface of the U-shaped shell, and the condenser pattern comprises a first condenser area and second condenser areas symmetrically distributed on two sides of the first condenser area. The Fresnel pattern lens is adopted, the shell is installed and fixed through the installation and fixing structure of the installation outer edge and the fixing outer edge, the U-shaped shell is used for installing the sensor and is matched with the condensing lens pattern for sensing, the sensing range is large, and the structure is simple and reliable.

Description

Fresnel pattern lens for intelligent camera

Technical Field

The utility model relates to the technical field of Fresnel lenses, in particular to a Fresnel stripe lens for an intelligent camera.

Background

The Fresnel human body infrared sensing lens is an essential accessory for displaying functions of intelligent household products such as cameras and cameras; the infrared light collecting device has the functions of collecting infrared light emitted by an external human body and then focusing the infrared light on the surface of the sensor, so that intelligent household products such as a camera and a camera can detect the infrared light emitted by the human body when the human body moves, and accordingly, the intelligent household products are started and capture images.

Nowadays, people require more and more accuracy to the human infrared detection of above-mentioned product because the promotion of living standard, and the improvement of precision means that lens can acquire more distant, the angle is bigger, the more accurate infrared light of scope. However, the lens on the market at present cannot meet the above requirements of "farther, larger angle and more precise range" due to technical problems, so that the performance of the camera and the video camera cannot keep up with the requirements of people. However, in practical use, the fresnel lens still has some defects in use for the intelligent camera, for example, in the use of sensing and detecting of the camera, the conditions of small detecting distance, small angle, inaccurate detecting and the like exist and need to be further improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides the Fresnel pattern lens for the intelligent camera, which adopts the Fresnel pattern lens, the shell is installed and fixed through the installation outer edge and fixed outer edge matching structure, the U-shaped shell is used for installing a sensor and is matched with the condensing lens pattern for induction detection, the detectable induction range is large, and the structure is simple and reliable.

The technical scheme adopted by the utility model is as follows: the utility model provides a fresnel pattern lens for wisdom camera, includes the casing, and locates the condensing lens line of casing, the casing is including the installation outer edge, a body coupling in the installation outer edge fixed outer edge and locate fixed outer edge and the U type shell of the protruding setting down, the bottom surface of U type shell is located to the condensing lens line, the condensing lens line includes first spotlight district, and symmetric distribution is in the second spotlight district of first spotlight district both sides.

The further improvement to the above scheme is that the mounting outer edge is annularly arranged and is provided with a through hole in the middle.

The scheme is further improved in that two sides of the mounting outer edge are provided with through holes.

The further improvement of the scheme is that a positioning piece is arranged in the middle of the mounting outer edge.

The scheme is further improved in that the fixed outer edge is formed on the outer edge of the U-shaped shell.

The further improvement of the above scheme is that the first light-gathering area comprises an upper light-gathering part, a middle light-gathering part and a lower light-gathering part which are arranged from top to bottom in sequence.

The further improvement of the scheme is that the upper light gathering part comprises a first light gathering piece, and a second light gathering piece and a third light gathering piece which are symmetrical and sequentially arranged on two sides of the first light gathering piece, the width sizes of the first light gathering piece, the second light gathering piece and the third light gathering piece are 4.0mm +/-0.5 mm, and the height size of the first light gathering piece, the second light gathering piece and the third light gathering piece is 8.26mm +/-0.5 mm.

The light-gathering part of the middle layer comprises a fourth light-gathering sheet, a fifth light-gathering sheet and a sixth light-gathering sheet which are symmetrical and arranged on two sides of the fourth light-gathering sheet in sequence, wherein the width dimension of the fourth light-gathering sheet is 3.0mm +/-0.5 mm, and the height dimension of the fourth light-gathering sheet is 4.0mm +/-0.5 mm; the width dimension of the fifth light-gathering piece is 3.5mm +/-0.5 mm, and the height dimension of the fifth light-gathering piece is 4.0mm +/-0.5 mm; the width dimension of the sixth light-gathering piece is 5.0mm +/-0.5 mm, and the height dimension of the sixth light-gathering piece is 4.0mm +/-0.5 mm.

The further improvement of the scheme is that the lower layer light-gathering part comprises a seventh light-gathering sheet, an eighth light-gathering sheet and a ninth light-gathering sheet which are symmetrically arranged, the width dimension of the seventh light-gathering sheet is 2.5mm +/-0.5 mm, and the height dimension of the seventh light-gathering sheet is 4.04mm +/-0.5 mm; the width dimension of the eighth light-gathering piece is 2.5mm +/-0.5 mm, and the height dimension of the eighth light-gathering piece is 4.02mm +/-0.5 mm; the ninth light-gathering piece is 2.98mm +/-0.5 mm in width and 3.96mm +/-0.5 mm in height.

In a further improvement of the above solution, the second light condensing region includes a tenth light condensing sheet and an eleventh light condensing sheet, and the tenth light condensing sheet has a width dimension of 9.75mm ± 0.5mm and a height dimension of 10.23mm ± 0.5 mm; the width dimension of the eleventh light-gathering piece is 11.77mm +/-0.5 mm, and the height dimension of the eleventh light-gathering piece is 5.87mm +/-0.5 mm.

The utility model has the beneficial effects that:

compared with the existing camera sensing lens, the camera sensing lens adopts the Fresnel pattern lens, the shell is installed and fixed through the installation and fixation structure of the installation outer edge and the fixed outer edge, the U-shaped shell is used for installing the sensor and is matched with the condensing lens pattern for sensing, the sensing range is large, and the structure is simple and reliable. The shell comprises an outer mounting edge, a fixed outer edge integrally connected to the outer mounting edge, and a U-shaped shell arranged on the fixed outer edge and protruding downwards, the collecting mirror pattern is arranged on the bottom surface of the U-shaped shell, and comprises a first light collecting area and second light collecting areas symmetrically distributed on two sides of the first light collecting area. The light gathering area is provided with a first light gathering area and a second light gathering area which is symmetrically distributed, and has the advantages of large detectable range, high detection sensitivity and reliable structure.

Drawings

FIG. 1 is a schematic perspective view of a Fresnel lens for an intelligent camera according to the present invention;

fig. 2 is a schematic view of the bottom view structure of the fresnel pattern lens for the smart camera in fig. 1;

fig. 3 is a schematic top view of the fresnel pattern lens used in the smart camera in fig. 1;

fig. 4 is a schematic structural view of a condenser pattern of the fresnel pattern lens for the smart camera in fig. 1.

Description of reference numerals: the light-condensing module comprises a shell 1, an installation outer edge 11, a through hole 111, a through hole 112, a positioning sheet 113, a fixed outer edge 12, a U-shaped shell 13, a light-condensing pattern 2, a first light-condensing area 3, an upper light-condensing part 31, a first light-condensing sheet 311, a second light-condensing sheet 312, a third light-condensing sheet 313, a middle light-condensing part 32, a fourth light-condensing sheet 321, a fifth light-condensing sheet 322, a sixth light-condensing sheet 323, a lower light-condensing part 33, a seventh light-condensing sheet 331, an eighth light-condensing sheet 332, a ninth light-condensing sheet 333, a second light-condensing area 4, a tenth light-condensing sheet 41 and an eleventh light-condensing sheet 42.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

As shown in fig. 1-4, a fresnel pattern lens for smart camera includes a housing 1 and a condenser pattern 2 disposed on the housing 1, wherein the housing 1 includes an outer edge 11, a fixed outer edge 12 integrally connected to the outer edge 11, and a U-shaped shell 13 disposed on the fixed outer edge 12 and protruding downward, the condenser pattern 2 is disposed on a bottom surface of the U-shaped shell 13, and the condenser pattern 2 includes a first condenser area 3 and a second condenser area 4 symmetrically disposed on two sides of the first condenser area 3.

The installation is outer along 11 and is the hoop setting, its through-hole 111 has been seted up between two parties, through the installation of through-hole 111 cooperation structure, simple structure, convenient assembling.

The two sides of the mounting outer edge 11 are provided with through holes 112, and the installation can be carried out by matching the structure by the through holes 112, so that the assembly is convenient.

The mounting outer edge 11 is provided with a positioning sheet 113 in the middle, the positioning sheet 113 can be used for positioning and assembling of a matching structure, and the assembling precision is high.

The fixed outer edge 12 is formed on the outer edge of the U-shaped shell 13, so that the outer edge of the structure can be conveniently positioned, and the positioning precision is high.

The first light-gathering area 3 includes an upper light-gathering portion 31, a middle light-gathering portion 32, and a lower light-gathering portion 33 sequentially arranged from top to bottom, and a plurality of light-gathering portions are arranged for light-gathering reflection detection, so that the detection precision is high, and the stability is good.

In this embodiment, the upper light-gathering part 31 includes a first light-gathering sheet 311, and a second light-gathering sheet 312 and a third light-gathering sheet 313 which are symmetrically and sequentially disposed at two sides of the first light-gathering sheet 311, the second light-gathering sheet 312 and the third light-gathering sheet 313 have a width dimension of 4.0mm ± 0.5mm and a height dimension of 8.26mm ± 0.5mm, the middle light-gathering part 32 includes a fourth light-gathering sheet 321, and a fifth light-gathering sheet 322 and a sixth light-gathering sheet 323 which are symmetrically and sequentially disposed at two sides of the fourth light-gathering sheet 321, the fourth light-gathering sheet 321 has a width dimension of 3.0mm ± 0.5mm and a height dimension of 4.0mm ± 0.5 mm; the width dimension of the fifth light-gathering sheet 322 is 3.5mm +/-0.5 mm, and the height dimension is 4.0mm +/-0.5 mm; the width dimension of the sixth light-gathering sheet 323 is 5.0mm +/-0.5 mm, and the height dimension is 4.0mm +/-0.5 mm; the lower light-gathering part 33 comprises a seventh light-gathering sheet 331, an eighth light-gathering sheet 332 and a ninth light-gathering sheet 333 which are symmetrically arranged, wherein the width dimension of the seventh light-gathering sheet 331 is 2.5mm +/-0.5 mm, and the height dimension of the seventh light-gathering sheet is 4.04mm +/-0.5 mm; the eighth light-gathering sheet 332 has a width of 2.5mm +/-0.5 mm and a height of 4.02mm +/-0.5 mm; the ninth light-gathering sheet 333 has a width of 2.98mm ± 0.5mm and a height of 3.96mm ± 0.5 mm; the second condensing region 4 includes a tenth condensing sheet 41 and an eleventh condensing sheet 42, the tenth condensing sheet 41 having a width dimension of 9.75mm ± 0.5mm and a height dimension of 10.23mm ± 0.5 mm; the width dimension of the eleventh condensing sheet 42 is 11.77mm +/-0.5 mm, the height dimension is 5.87mm +/-0.5 mm, a plurality of condensing sheets are arranged for condensing and detecting in a large range, and the detection range is large.

The Fresnel pattern lens is adopted, the shell 1 is installed and fixed through the matching structure of the installation outer edge 11 and the fixed outer edge 12, the U-shaped shell 13 is used for installing a sensor and is matched with the condenser pattern 2 for sensing, the sensing range is wide, and the structure is simple and reliable. Specifically, set up casing 1, and locate the condensing lens line 2 of casing 1, casing 1 is including the installation outer edge 11, integrated connection in the installation along 11 fixed outer edge 12 outside along 11, and locate fixed outer edge 12 and the protruding U type shell 13 that sets up downwards, condensing lens line 2 locates the bottom surface of U type shell 13, condensing lens line 2 includes first light gathering area 3, and symmetric distribution is in the second light gathering area 4 of first light gathering area 3 both sides. The light gathering area is provided with a first light gathering area 3 and a second light gathering area 4 which are symmetrically distributed, and the light gathering area is large in detectable range, high in detection sensitivity and reliable in structure.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a fresnel pattern lens for wisdom camera which characterized in that: including the casing, and locate the condensing lens line of casing, the casing is including the installation outer edge, an organic whole connect in the installation outer fixed outer edge on edge and locate fixed outer edge and the U type shell of the protruding setting down, the bottom surface of U type shell is located to the condensing lens line, the condensing lens line includes first spotlight district, and symmetric distribution in the second spotlight district of first spotlight district both sides.

2. The fresnel pattern lens for smart cameras according to claim 1, wherein: the installation outer edge is the hoop setting, its through-hole has been seted up between two parties.

3. The fresnel pattern lens for smart cameras according to claim 1, wherein: and through holes are formed in two sides of the mounting outer edge.

4. The fresnel pattern lens for smart cameras according to claim 1, wherein: and a positioning piece is arranged in the middle of the mounting outer edge.

5. The fresnel pattern lens for smart cameras according to claim 1, wherein: the fixed outer edge is formed on the outer edge of the U-shaped shell.

6. The fresnel pattern lens for smart cameras according to claim 1, wherein: the first light condensation area comprises an upper layer light condensation part, a middle layer light condensation part and a lower layer light condensation part which are sequentially arranged from top to bottom.

7. The Fresnel lens system according to claim 6, wherein: the upper light gathering part comprises a first light gathering piece, a second light gathering piece and a third light gathering piece, wherein the second light gathering piece and the third light gathering piece are symmetrically arranged on two sides of the first light gathering piece in sequence, the width dimension of the first light gathering piece, the width dimension of the second light gathering piece and the width dimension of the third light gathering piece are 4.0mm +/-0.5 mm, and the height dimension of the first light gathering piece, the second light gathering piece and the third light gathering piece are 8.26mm +/-0.5 mm.

8. The Fresnel lens system according to claim 6, wherein: the middle layer light-gathering part comprises a fourth light-gathering piece, a fifth light-gathering piece and a sixth light-gathering piece, wherein the fifth light-gathering piece and the sixth light-gathering piece are symmetrically arranged on two sides of the fourth light-gathering piece in sequence, the width dimension of the fourth light-gathering piece is 3.0mm +/-0.5 mm, and the height dimension of the fourth light-gathering piece is 4.0mm +/-0.5 mm; the width dimension of the fifth light-gathering piece is 3.5mm +/-0.5 mm, and the height dimension of the fifth light-gathering piece is 4.0mm +/-0.5 mm; the width dimension of the sixth light-gathering piece is 5.0mm +/-0.5 mm, and the height dimension of the sixth light-gathering piece is 4.0mm +/-0.5 mm.

9. The Fresnel lens system according to claim 6, wherein: the lower layer light-gathering part comprises a seventh light-gathering piece, an eighth light-gathering piece and a ninth light-gathering piece which are symmetrically arranged, the width dimension of the seventh light-gathering piece is 2.5mm +/-0.5 mm, and the height dimension of the seventh light-gathering piece is 4.04mm +/-0.5 mm; the width dimension of the eighth light-gathering piece is 2.5mm +/-0.5 mm, and the height dimension of the eighth light-gathering piece is 4.02mm +/-0.5 mm; the ninth light-gathering piece is 2.98mm +/-0.5 mm in width and 3.96mm +/-0.5 mm in height.

10. The fresnel pattern lens for smart cameras according to claim 1, wherein: the second light condensation area comprises a tenth light condensation sheet and an eleventh light condensation sheet, the width dimension of the tenth light condensation sheet is 9.75mm +/-0.5 mm, and the height dimension of the tenth light condensation sheet is 10.23mm +/-0.5 mm; the width dimension of the eleventh light-gathering piece is 11.77mm +/-0.5 mm, and the height dimension of the eleventh light-gathering piece is 5.87mm +/-0.5 mm.