CN219695539U - Lens structure for doorbell induction - Google Patents
Lens structure for doorbell induction Download PDFInfo
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- CN219695539U CN219695539U CN202321053047.5U CN202321053047U CN219695539U CN 219695539 U CN219695539 U CN 219695539U CN 202321053047 U CN202321053047 U CN 202321053047U CN 219695539 U CN219695539 U CN 219695539U
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- 238000000149 argon plasma sintering Methods 0.000 claims description 6
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Abstract
The utility model provides a lens structure for doorbell induction, which relates to the technical field of optical accessories and comprises a circular lens seat and a doorbell induction assembly, wherein the doorbell induction assembly is arranged on the inner side of the circular lens seat, an inclined surface area is arranged on the outer side of the circular lens seat, a perspective part is arranged between the inclined surface areas, a central visual area is arranged on the outer side of the perspective part, a light-collecting cover is arranged on the periphery of the inclined surface area, a light-collecting cover is arranged between the inner circumferential wall of the circular lens seat and the doorbell induction assembly, and compared with the conventional doorbell induction lens structure, the lens structure for doorbell induction is improved in detection effect on the whole surrounding environment of the lens structure through design.
Description
Technical Field
The utility model relates to the technical field of optical accessories, in particular to a lens structure for doorbell induction.
Background
The intelligent doorbell applies a passive infrared detection technology, and automatically captures images along with the movement of a human body. The passive infrared detection technology requires two key elements, namely a pyroelectric infrared sensor PIR and a Fresnel lens; the pyroelectric infrared sensor (PIR) can convert the change of infrared signals into electric signals and can inhibit white light signals in the nature, when no human body moves, the pyroelectric infrared sensor senses only background temperature, and when the human body enters a detection zone, the pyroelectric infrared sensor senses difference signals of the human body temperature and the background temperature through the Fresnel lens; fresnel lenses function as two: firstly, the focusing function is that the pyroelectric infrared signal is refracted (reflected) on the PIR, secondly, the warning area is divided into a plurality of bright areas and dark areas, so that a moving object entering the warning area can generate a variable pyroelectric infrared signal on the PIR in a temperature change mode, and the PIR can generate a variable electric signal;
the patent number < CN216248373U > of the Chinese patent name is a lens structure for intelligent doorbell induction, which comprises a circular lens body, wherein the circular lens body consists of a left corner visual zone, a left side visual zone, a center first visual zone, a center second visual zone, a right side visual zone, a right corner visual zone and a lower side visual zone; the left corner visual area, the left side visual area, the center first visual area, the center second visual area, the right side visual area and the right corner visual area are arranged in parallel, and the lower side visual area is positioned at the bottom of the circular mirror body and is connected with the left side visual area, the center first visual area, the center second visual area and the right side visual area; the left corner visual area, the left side visual area, the first central visual area, the second central visual area, the right side visual area, the right corner visual area and the lower side visual area are lens sheets provided with Fresnel lines and are focused on the induction positions of the pyroelectric sensor of the intelligent doorbell. The lens structure of the utility model ingeniously utilizes the Fresnel principle, and aims at the application requirements of the intelligent doorbell, and the detection angles and the visual area range in the side view area and the overlook area are detected; and the Chinese patent name is < CN 218181137U > of a lens structure for intelligent doorbell induction, which comprises an oblong lens body, wherein the oblong lens body is divided into an upper left layer visual zone, an upper middle layer visual zone, an upper right layer visual zone, a lower left layer visual zone, an upper middle layer visual zone and a lower right layer visual zone, the upper middle layer visual zone and the lower middle layer visual zone respectively comprise a plurality of small areas, and the upper left layer visual zone, the upper right layer visual zone, the lower left layer visual zone, the lower right layer visual zone and the small areas are lens sheets provided with Fresnel lines. The utility model skillfully utilizes the Fresnel principle, increases the detection angle and the visual area range, and provides reliable hardware support for the requirements of the intelligent doorbell on the detection of the surrounding environment.
The technical scheme has the following defects: the use of electric infrared sensor and electric infrared sensor can carry out the light filling with the help of infrared light filling lamp when night, but above-mentioned patent is when promoting detection angle and visual area scope, has not improved for the design of light filling lamp and lens structure, and the visual field scope that leads to the edge is when the operation at night, and the effect is relatively poor, consequently, we propose a lens structure for doorbell response.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and the electric infrared sensor and the use of the electric infrared sensor can supplement light by means of an infrared light supplementing lamp at night, but the patent improves the detection angle and the visual area range, and meanwhile, the design of the light supplementing lamp and the lens structure is not improved, so that the effect is poor when the visual field range of the edge is operated at night.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a lens structure for doorbell response, includes circular mirror seat and doorbell response subassembly, doorbell response subassembly sets up the inboard at circular mirror seat, and the outside of circular mirror seat is provided with inclined plane district, be provided with perspective portion between the inclined plane district, the outside of perspective portion is provided with the center visual area, the periphery in inclined plane district is provided with the light-scattering cover, be provided with the light-harvesting cover between circular mirror seat inner circumference wall and the doorbell response subassembly, inclined plane district, center visual area are all for being provided with the lens piece of fresnel line.
As a preferable scheme of the utility model, the doorbell induction assembly comprises a human body infrared sensor, a circuit board is arranged at the periphery of the human body infrared sensor, and a plurality of infrared light supplementing lamps are arranged at the outer side of the circuit board.
As a preferable scheme of the utility model, the inclined surface areas are eight groups and are arranged around the central visual area, and the inclined surface angle formed by the inclined surface areas and the central visual area is 190 degrees.
As a preferable scheme of the utility model, the detection distance of the central visual area is 5 meters, and the detection distance of the inclined surface area is 2.5 meters.
As a preferable scheme of the utility model, the edge of the light scattering cover is of an arc structure and corresponds to the center of the Fresnel line of the inclined surface area, and the light collecting cover is made of a light guide plate.
As the preferable scheme of the utility model, the round mirror seat and the doorbell induction assembly are both arranged on the intelligent doorbell.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model improves the defects of the technical proposal, and has the following advantages: has the following advantages: the same ingenious fresnel principle that uses to, to intelligent doorbell's application demand, the normal angle of shining through the center vision area to the parallel is accurate to be surveyed, cooperation is 190 with the inclined plane angle of the formation in inclined plane district, can respond to the outside visible area scope of door, application range has been promoted greatly, and when satisfying intelligent doorbell and provide necessary hardware to the demand of ambient environment detection, after gathering the light of infrared light filling lamp through the light collecting cover, shine and open to cooperate the astigmatic cover of circular arc portion to scatter, the visual field scope at the lens structure edge that makes doorbell response is put into use at night, infrared induction effect reinforcing.
Drawings
FIG. 1 is a side view of the overall structure of a lens structure for doorbell induction according to the present utility model;
FIG. 2 is a side anatomical view of the overall structure of a lens structure for doorbell induction according to the present utility model;
fig. 3 is an outside anatomical view of a reticle with a lens structure for doorbell induction according to the present utility model.
Legend description: 1. a round mirror base; 2. a doorbell induction assembly; 201. a human body infrared sensor; 202. a circuit board; 203. an infrared light supplementing lamp; 3. an inclined surface region; 4. a perspective part; 5. a central viewing zone; 6. a light-diffusing cover; 7. a light collecting cover.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.
In order that the utility model may be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are, however, not limited to the embodiments described herein, but are to be provided for the purpose of making the disclosure of the utility model more thorough.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.
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 utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model, with the term "and/or" as used herein including any and all combinations of one or more of the associated listed items.
Example 1
As shown in fig. 1-3, the present utility model provides a technical solution: the utility model provides a lens structure for doorbell response, includes circular mirror seat 1 and doorbell response subassembly 2, and doorbell response subassembly 2 sets up the inboard at circular mirror seat 1, and the outside of circular mirror seat 1 is provided with inclined plane district 3, is provided with perspective portion 4 between the inclined plane district 3, and the outside of perspective portion 4 is provided with center visual area 5, and the periphery in inclined plane district 3 is provided with astigmatic cover 6, is provided with light collecting cover 7 between circular mirror seat 1 inner circumference wall and doorbell response subassembly 2, and inclined plane district 3, center visual area 5 are the lens piece that is provided with fresnel line.
Example 2
As shown in fig. 1-3, the doorbell induction component 2 comprises a human body infrared sensor 201, a circuit board 202 is arranged on the periphery of the human body infrared sensor 201, the circuit board 202 is connected with a power supply of an intelligent doorbell to install and supply power to an infrared light supplementing lamp 203, a plurality of infrared light supplementing lamps 203 are arranged on the outer side of the circuit board 202, the infrared light supplementing lamps 203 play a role in supplementing light at night, eight groups of inclined surface areas 3 are arranged around a central visual area 5, the inclined surface angle formed by the inclined surface areas 3 and the central visual area 5 is 190 °, the detection distance of the central visual area 5 is 5 meters, the detection distance of the inclined surface areas 3 is 2.5 meters, the edge of a light scattering cover 6 is of an arc structure and corresponds to the center of fresnel lines of the inclined surface areas 3, a light collecting cover 7 is made of a light guide plate, and both the circular mirror seat 1 and the doorbell induction component 2 are arranged on the intelligent doorbell.
The working flow of the utility model is as follows: when the lens structure for doorbell induction is used, firstly, after the circular lens seat 1 and the doorbell induction component 2 are installed on the intelligent doorbell, the human body infrared sensor 201 is normally put into use, when environment detection is carried out, the inclined surface area 3 is eight groups and is arranged around the central visual area 5, the inclined surface angle formed by the inclined surface area 3 and the central visual area 5 is 190 degrees, the detection distance of the central visual area 5 is 5 meters, the detection distance of the inclined surface area 3 is 2.5 meters, induction can be carried out in the visible area range outside a door, when the intelligent doorbell induction type doorbell is used at night, after light of the infrared light supplementing lamp 203 is collected through the light collecting cover 7, and the light scattering cover 6 of a circular arc structure is matched, so that the infrared induction effect is enhanced when the visual field range of the edge of the doorbell induction type lens structure is put into use at night, and thus the use of the doorbell induction type lens structure is completed.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A lens structure for doorbell response, includes circular mirror seat (1) and doorbell response subassembly (2), its characterized in that: doorbell response subassembly (2) set up the inboard at circular mirror seat (1), and the outside of circular mirror seat (1) is provided with inclined plane district (3), be provided with perspective portion (4) between inclined plane district (3), the outside of perspective portion (4) is provided with central visual area (5), the periphery in inclined plane district (3) is provided with light-scattering cover (6), be provided with light-harvesting cover (7) between circular mirror seat (1) inner circumference wall and doorbell response subassembly (2), inclined plane district (3), central visual area (5) are the lens piece that is provided with fresnel line.
2. A lens structure for doorbell induction according to claim 1, characterized in that: the doorbell induction assembly (2) comprises a human body infrared sensor (201), a circuit board (202) is arranged on the periphery of the human body infrared sensor (201), and a plurality of infrared light supplementing lamps (203) are arranged on the outer side of the circuit board (202).
3. A lens structure for doorbell induction according to claim 1, characterized in that: the inclined surface areas (3) are eight groups and are arranged around the central visual area (5), and the inclined surface angle formed by the inclined surface areas (3) and the central visual area (5) is 190 degrees.
4. A lens structure for doorbell induction according to claim 1, characterized in that: the detection distance of the central visual area (5) is 5 meters, and the detection distance of the inclined surface area (3) is 2.5 meters.
5. A lens structure for doorbell induction according to claim 1, characterized in that: the edge of the light scattering cover (6) is of an arc structure and corresponds to the center of the Fresnel lines of the inclined surface area (3), and the light collecting cover (7) is made of a light guide plate.
6. A lens structure for doorbell induction according to claim 1, characterized in that: the round mirror base (1) and the doorbell induction assembly (2) are both installed on the intelligent doorbell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321053047.5U CN219695539U (en) | 2023-05-05 | 2023-05-05 | Lens structure for doorbell induction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321053047.5U CN219695539U (en) | 2023-05-05 | 2023-05-05 | Lens structure for doorbell induction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219695539U true CN219695539U (en) | 2023-09-15 |
Family
ID=87970714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321053047.5U Active CN219695539U (en) | 2023-05-05 | 2023-05-05 | Lens structure for doorbell induction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219695539U (en) |
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2023
- 2023-05-05 CN CN202321053047.5U patent/CN219695539U/en active Active
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