CN216449776U

CN216449776U - Fresnel pattern lens for intelligent doorbell

Info

Publication number: CN216449776U
Application number: CN202123261313.7U
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: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-05-06
Anticipated expiration: 2031-12-23

Abstract

The utility model relates to the technical field of Fresnel lenses, in particular to a Fresnel pattern lens for a smart doorbell, which comprises a shell, a first assembling hole and a second assembling hole which are formed in the shell, and a collecting mirror pattern positioned between the first assembling hole and the second assembling hole, wherein the collecting mirror pattern comprises a first light collecting area, a second light collecting area and a third light collecting area which are symmetrically arranged on two sides of the first light collecting area, and the first light collecting area comprises an upper light collecting plate and a lower light collecting plate. The utility model adopts the condenser lens lines with the Fresnel line structure, can detect in a large range, detects human body by matching the three condenser areas with infrared induction, and has the advantages of high detection efficiency, wide detection range, convenient use, reasonable design and high detection triggering efficiency.

Description

Fresnel pattern lens for intelligent doorbell

Technical Field

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

Background

The Fresnel human body infrared sensing lens is an essential accessory for the display function of intelligent household products such as cameras and cameras; the infrared light collecting device has the function 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 smart camera, for example, in use, there are situations of small detection distance, small angle, inaccurate detection, and the like, which 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 doorbell, which adopts the Fresnel pattern structure, can detect in a large range, can detect a human body by matching three light-collecting areas with infrared induction, and has the advantages of high detection efficiency, wide detection range, convenience in use, reasonable design and high detection triggering efficiency.

The technical scheme adopted by the utility model is as follows: the utility model provides a fresnel pattern lens for wisdom doorbell, includes the casing, offers first pilot hole and the second pilot hole of casing and is located the condensing lens line between first pilot hole and the second pilot hole, the condensing lens line includes first spotlight district, and the symmetry locates second spotlight district and the third spotlight district of first spotlight district both sides, first spotlight district includes upper end solar panel and lower extreme solar panel.

The further improvement to the above scheme is that one side of the shell, which is positioned at the condensing lens grains, is provided with a connecting outer edge, and the connecting outer edge is integrally formed on the shell.

The further improvement of the scheme is that the position of the shell, which is far away from the first assembling hole, is provided with an installation step, and a reinforcing rib is arranged between the installation step and the shell.

The further improvement of the scheme is that the shell is provided with an arc-shaped surface by taking the first assembling hole as the center.

The further improvement of the scheme is that the shell is provided with a third assembling hole close to the first assembling hole.

The upper end light gathering plate comprises a first light gathering sheet and second light gathering sheets symmetrically arranged on two sides of the first light gathering sheet.

The further improvement of the scheme is that the width dimension of the first light-gathering piece is 5.13mm +/-0.5 mm, and the height dimension of the first light-gathering piece is 3.33mm +/-0.5 mm; the width dimension of the second polaroid is 5.19mm +/-0.5 mm, and the height dimension of the second polaroid is 3.33mm +/-0.5 mm.

The further improvement of the scheme is that the lower end light gathering plate comprises a third light gathering sheet, a fourth light gathering sheet and a fifth light gathering sheet which are symmetrically arranged on two sides of the third light gathering sheet.

The scheme is further improved in that the width dimension of the third polaroid is 2.5mm +/-0.5 mm, and the height dimension of the third polaroid is 8.67mm +/-0.5 mm; 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 8.67mm +/-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 8.67mm +/-0.5 mm.

In a further improvement of the above, the width dimension of the second light condensation zone is 4.25mm ± 0.5mm, and the height dimension is 12mm ± 0.5 mm; the width dimension of the third condensation zone is 4.25mm +/-0.5 mm, and the height dimension is 12mm +/-0.5 mm.

The utility model has the beneficial effects that:

the intelligent doorbell induction detection device is used for intelligent doorbell induction detection, adopts the condenser lens patterns with the Fresnel pattern structure, can detect in a large range, performs human body detection by matching the three condenser areas with infrared induction, and is high in detection efficiency, wide in detection range, convenient to use, reasonable in design and high in detection triggering efficiency. The light-gathering lens comprises a shell, a first assembling hole and a second assembling hole which are arranged in the shell, and light-gathering lens grains which are located between the first assembling hole and the second assembling hole, wherein the light-gathering lens grains comprise a first light-gathering area, a second light-gathering area and a third light-gathering area which are symmetrically arranged on two sides of the first light-gathering area, and the first light-gathering area comprises an upper light-gathering plate and a lower light-gathering plate. Be used for the casing assembly through the pilot hole, with condenser lens line integrated into one piece on the casing, it is high to listen the precision in use, and it is big to listen the scope.

Drawings

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

fig. 2 is a schematic side view of a fresnel pattern lens for the smart doorbell in fig. 1;

fig. 3 is a schematic structural view of a condenser lens pattern of the fresnel pattern lens for the smart doorbell in fig. 1.

Description of reference numerals: the light-gathering module comprises a shell 1, a connecting outer edge 11, an installation step 12, a reinforcing rib 121, an arc-shaped surface 13, a third assembly hole 14, a first assembly hole 2, a second assembly hole 3, a light-gathering mirror pattern 4, a first light-gathering area 5, an upper end light-gathering plate 51, a first light-gathering sheet 511, a second light-gathering sheet 512, a lower end light-gathering plate 52, a third light-gathering sheet 521, a fourth light-gathering sheet 522, a fifth light-gathering sheet 523, a second light-gathering area 6 and a third light-gathering area 7.

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. 1-3, a fresnel pattern lens for smart doorbell includes casing 1, first pilot hole 2 and second pilot hole 3 seted up in casing 1, and be located the condenser lens line 4 between first pilot hole 2 and the second pilot hole 3, condenser lens line 4 includes first spotlight area 5, and symmetry locate second spotlight area 6 and third spotlight area 7 of first spotlight area 5 both sides, first spotlight area 5 includes upper end solar panel 51 and lower extreme solar panel 52.

The one side that casing 1 is located condensing lens line 4 is equipped with connects outer edge 11, connect outer edge 11 integrated into one piece in casing 1, through connecting the assembly that is used for casing 1 along 11 outward, adopt integrated into one piece, the structure is reliable.

Casing 1 is kept away from first pilot hole 2 position and is equipped with installation step 12, be equipped with strengthening rib 121 between installation step 12 and the casing 1, connect the assembly that the shell was used for the structure through the cooperation of installation step 12, guarantee installation stability.

The shell 1 is provided with an arc-shaped surface 13 by taking the first assembling hole 2 as the center, and the overall attractiveness is improved through the arc-shaped surface 13, so that the structure is convenient to assemble.

The housing 1 is provided with a third assembly hole 14 near the first assembly hole 2, and the third assembly hole 14 can be used for assembling an indicator light.

In this embodiment, the upper light-gathering plate 51 includes a first light-gathering sheet 511 and second light-gathering sheets 512 symmetrically disposed on two sides of the first light-gathering sheet 511, wherein the width of the first light-gathering sheet 511 is 5.13mm ± 0.5mm, and the height of the first light-gathering sheet 511 is 3.33mm ± 0.5 mm; the width dimension of the second polaroid 512 is 5.19mm +/-0.5 mm, and the height dimension is 3.33mm +/-0.5 mm.

The lower light-gathering plate 52 comprises a third light-gathering sheet 521, and a fourth light-gathering sheet 522 and a fifth light-gathering sheet 523 which are symmetrically arranged on two sides of the third light-gathering sheet 521, wherein the width dimension of the third light-gathering sheet 521 is 2.5mm +/-0.5 mm, and the height dimension of the third light-gathering sheet 521 is 8.67mm +/-0.5 mm; the width dimension of the fourth light-gathering sheet 522 is 3.0mm +/-0.5 mm, and the height dimension is 8.67mm +/-0.5 mm; the width of the fifth light-gathering sheet 523 is 3.5mm +/-0.5 mm, and the height thereof is 8.67mm +/-0.5 mm.

The width size of the second light condensation area 6 is 4.25mm +/-0.5 mm, and the height size is 12mm +/-0.5 mm; the width dimension of the third condensation zone 7 is 4.25mm +/-0.5 mm, and the height dimension is 12mm +/-0.5 mm.

The intelligent doorbell induction detection device is used for intelligent doorbell induction detection, adopts the condenser lens patterns 4 with Fresnel pattern structures, can detect in a large range, performs human body detection by matching three light-collecting areas with infrared induction, and is high in detection efficiency, wide in detection range, convenient to use, reasonable in design and high in detection triggering efficiency. Specifically, the light collecting lens pattern comprises a shell 1, a first assembling hole 2 and a second assembling hole 3 which are arranged on the shell 1, and light collecting lens patterns 4 which are located between the first assembling hole 2 and the second assembling hole 3, wherein the light collecting lens patterns 4 comprise a first light collecting area 5, a second light collecting area 6 and a third light collecting area 7 which are symmetrically arranged on two sides of the first light collecting area 5, and the first light collecting area 5 comprises an upper end light collecting plate 51 and a lower end light collecting plate 52. Be used for the assembly of casing 1 through the pilot hole, with condenser lens line 4 integrated into one piece on casing 1, it is high to detect the precision in use, and it is big to detect the scope.

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 various changes and modifications can be made by those skilled in the art without departing from the spirit of the utility model, and these changes and modifications are all within the scope of the utility model. 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 doorbell, its characterized in that: including the casing, set up first pilot hole and the second pilot hole of locating the casing and be located the condensing lens line between first pilot hole and the second pilot hole, the condensing lens line includes first spotlight district, and the symmetry locates second spotlight district and the third spotlight district of first spotlight district both sides, first spotlight district includes upper end solar panel and lower extreme solar panel.

2. The Fresnel lens for the intelligent doorbell according to claim 1, characterized in that: the shell is located the one side of condensing lens line and is equipped with the connection outer edge, connect outer edge integrated into one piece in the shell.

3. The Fresnel lens for the intelligent doorbell according to claim 1, characterized in that: the position, far away from the first assembling hole, of the shell is provided with an installation step, and a reinforcing rib is arranged between the installation step and the shell.

4. The Fresnel lens for the intelligent doorbell according to claim 1, characterized in that: the casing uses first pilot hole to be equipped with the arcwall face as the center.

5. The Fresnel lens for the intelligent doorbell of claim 1, wherein: the shell is close to the first assembling hole and is provided with a third assembling hole.

6. The Fresnel lens for the intelligent doorbell according to claim 1, characterized in that: the upper end light gathering plate comprises a first light gathering piece and second light gathering pieces symmetrically arranged on two sides of the first light gathering piece.

7. The Fresnel lens for intelligent doorbells according to claim 6, wherein: the width dimension of the first light-gathering piece is 5.13mm +/-0.5 mm, and the height dimension of the first light-gathering piece is 3.33mm +/-0.5 mm; the width dimension of the second polaroid is 5.19mm +/-0.5 mm, and the height dimension of the second polaroid is 3.33mm +/-0.5 mm.

8. The Fresnel lens for intelligent doorbells according to claim 7, wherein: the lower end light-gathering plate comprises a third light-gathering sheet, a fourth light-gathering sheet and a fifth light-gathering sheet which are symmetrically arranged on two sides of the third light-gathering sheet.

9. The Fresnel lens for intelligent doorbells according to claim 8, wherein: the width dimension of the third polaroid is 2.5mm +/-0.5 mm, and the height dimension of the third polaroid is 8.67mm +/-0.5 mm; 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 8.67mm +/-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 8.67mm +/-0.5 mm.

10. The Fresnel lens for the intelligent doorbell according to claim 1, characterized in that: the width size of the second light condensation area is 4.25mm +/-0.5 mm, and the height size is 12mm +/-0.5 mm; the width dimension of the third condensation zone is 4.25mm +/-0.5 mm, and the height dimension is 12mm +/-0.5 mm.