CN216248373U - Lens structure for intelligent doorbell induction - Google Patents
Lens structure for intelligent doorbell induction Download PDFInfo
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- CN216248373U CN216248373U CN202122784833.XU CN202122784833U CN216248373U CN 216248373 U CN216248373 U CN 216248373U CN 202122784833 U CN202122784833 U CN 202122784833U CN 216248373 U CN216248373 U CN 216248373U
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Abstract
The utility model discloses a lens structure for intelligent doorbell induction, which structurally comprises a circular lens body, wherein the circular lens body consists of a left angle visual area, a left side visual area, a center first visual area, a center second visual area, a right side visual area, a right angle visual area and a lower side visual area; the left angle visual area, the left side visual area, the central first visual area, the central second visual area, the right side visual area and the right angle visual area are arranged in parallel, and the lower side visual area is positioned at the bottom of the circular lens body and is connected with the left side visual area, the central first visual area, the central second visual area and the right side visual area; the left side angle visual area, the left side visual area, the first central visual area, the second central visual area, the right side angle visual area and the lower side visual area are all lens sheets provided with Fresnel lines and are all focused on the induction position of a pyroelectric sensor of the intelligent doorbell. The lens structure skillfully utilizes the Fresnel principle, and the detection angles and the visual area ranges of a side-looking area and a top-looking area are increased according to the application requirements of the intelligent doorbell.
Description
Technical Field
The utility model belongs to the technical field of optics, and particularly relates to a lens structure for induction of an intelligent doorbell.
Background
The intelligent doorbell is a doorbell connected with the Internet, and when a visitor arrives at a preset area, the intelligent doorbell can feed back signals to a smart phone or other electronic equipment connected with a homeowner. When a visitor presses a button of the doorbell, or when the doorbell senses the visitor through its built-in motion sensor, it will activate. The intelligent doorbell can enable a homeowner to use a smart phone application program, and watch and talk with visitors through a built-in high-definition infrared camera and a microphone of the doorbell. Some smart doorbells also allow a user to remotely open the door using a smart lock.
The fresnel lens acts two ways: firstly, the focusing effect, be about to the infrared signal refraction (reflection) of releasing heat on the PIR, the second effect is with dividing into a plurality of bright district and dark space in the alert district, makes the removal object that gets into the alert district can produce the infrared signal of releasing heat of change on the PIR with the form of temperature variation, and the PIR just can produce the signal of telecommunication of change like this.
Along with the popularization of electronic products, the intelligent doorbell is more and more widely applied in life. The intelligent doorbell in the current market has a limited application range, and for a specific user with a large entrance, the current situations of short detection distance, small angle and unsatisfactory security effect of products in the current market need to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a lens structure for induction of an intelligent doorbell, which increases the detection angle and the visual area range and provides necessary hardware support for meeting the requirement of the intelligent doorbell on peripheral environment detection.
In order to solve the problems, the technical scheme adopted by the utility model is as follows: a lens structure for intelligent doorbell induction comprises a circular lens body, wherein the circular lens body consists of a left angle visual area, a left side visual area, a center first visual area, a center second visual area, a right side visual area, a right angle visual area and a lower side visual area; the left side angle visual area, the left side visual area, the central first visual area, the central second visual area, the right side visual area and the right side angle 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 central first visual area, the central second visual area and the right side visual area; the intelligent doorbell comprises a left side angle visual area, a left side visual area, a center two visual areas, a right side visual area, a right side angle visual area and a lower side visual area, wherein the left side angle visual area, the left side visual area, the center one visual area, the center two visual areas, the right side visual area, the right side angle visual area and the lower side visual area are lens sheets provided with Fresnel lines and focus on the induction position of a pyroelectric sensor of the intelligent doorbell.
Furthermore, the centers of the concentric circles of the Fresnel lines in the first central visual area and the second central visual area are equal in height, and the centers of the concentric circles of the Fresnel lines are all positioned on the vertical center line of the Fresnel lines and are lower than the horizontal center line of the Fresnel lines; the central first visual area and the central second visual area respectively have optical included angles of 35 degrees in the horizontal direction.
Furthermore, the centers of the concentric circles of the Fresnel lines in the left visual area and the right visual area are equal in height, and the centers of the concentric circles of the Fresnel lines are all positioned below the horizontal center line of the Fresnel lines; the circle centers of the concentric circles of the Fresnel lines in the left visual area are also deviated to the left, and the circle centers of the concentric circles of the Fresnel lines in the right visual area are also deviated to the right; the left visual area and the right visual area respectively have an optical included angle of 20 degrees in the horizontal direction.
Further, the center of the concentric circle of the Fresnel lines in the left angle visual area is lower than that of the concentric circle of the Fresnel lines in the left visual area; the center of the concentric circle of the Fresnel lines in the right angle visual area is lower than that of the concentric circle of the Fresnel lines in the right angle visual area; the left angle visual area and the right angle visual area respectively have optical included angles of 5 degrees in the horizontal direction.
Furthermore, the circle center of the concentric circle of the Fresnel line of the lower side visual area is positioned on the vertical center line of the Fresnel line and is higher than the horizontal center line of the Fresnel line of the lower side visual area.
Further, the distance range between each tooth form and each tooth form of the concentric circles of the Fresnel lines in the left angle visual area, the left side visual area, the center first visual area, the center second visual area, the right side visual area, the right angle visual area and the lower side visual area is 0.05-1.0 mm.
Further, the horizontal detection angle of the circular mirror body is 120 degrees, the vertical detection angle is 45 degrees, the installation height is more than 5 degrees, and the installation height is less than 40 degrees.
Furthermore, the detection distance of the central first visual area and the central second visual area is 5m, and the detection distance of the left visual area and the right visual area is 3 m.
Furthermore, the diameter of the texture area of the circular lens body is phi 13.8mm, and the thickness of the lens structure is 0.7 mm.
Further, the installation height of the circular mirror body is 1.5 m.
Compared with the prior art, the utility model has the following advantages: the lens structure provided by the utility model ingeniously utilizes the Fresnel principle, and aiming at the application requirements of the intelligent doorbell, the detection angles and the visual area ranges of a side-looking area and a top-looking area are increased, the horizontal detection angle can reach 120 degrees, the vertical detection angle can reach 45 degrees, the number of trigger points is more, the farthest detection distance is 5m, and necessary hardware support is provided for meeting the requirements of the intelligent doorbell on the detection of the surrounding environment.
Drawings
FIG. 1 is a schematic view of a lens configuration according to an embodiment of the present invention;
wherein: 1-left angle view, 2-left side view, 3-center one view, 4-center two view, 5-right side view, 6-right angle view, 7-lower side view; 8-a circular lens body, wherein the lens body is a cylindrical lens body,
FIG. 2 is a schematic view of the horizontal angle detection zone of the present invention;
FIG. 3 is a schematic view of the vertical angle detection zone of the present invention.
Detailed Description
The utility model is further illustrated with reference to the following figures and examples.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The utility model is applied to an intelligent doorbell, the intelligent doorbell is vertically arranged on a main panel of the intelligent doorbell, the front surface of a lens faces the outward detection environment, the back surface of the lens focuses on a pyroelectric sensor to jointly form infrared detection, the optimal detection position of the lens is 1.5m high, and the structural thickness of the lens is 0.7 mm. As shown in FIG. 1, the lens structure of the present invention is a circular lens body, which is divided into an upper layer and a lower layer, and a bright and dark area is added to accurately grasp the area of a moving target, so that the visual area and the detection included angle are larger than those of similar products. The concrete description is as follows:
a lens structure for intelligent doorbell induction comprises a circular lens body, wherein the circular lens body 8 consists of a left angle visual area 1, a left side visual area 2, a center first visual area 3, a center second visual area 4, a right side visual area 5, a right angle visual area 6 and a lower side visual area 7; the left corner visual area 1, the left side visual area 2, the central first visual area 3, the central second visual area 4, the right side visual area 5 and the right side angle visual area 6 are arranged in parallel, and the lower side visual area 7 is positioned at the bottom of the circular mirror body 8 and is connected with the left side visual area 2, the central first visual area 3, the central second visual area 4 and the right side visual area 5; the left corner visual area 1, the left side visual area 2, the first central visual area 3, the second central visual area 4, the right side visual area 5, the right corner visual area 6 and the lower side visual area 7 are all lens sheets provided with Fresnel lines and are focused on the induction position of a pyroelectric sensor of the intelligent doorbell.
The centers of the concentric circles of the Fresnel lines in the first central visual area 3 and the second central visual area 4 are equal in height, and the centers of the concentric circles of the Fresnel lines are all positioned on the vertical center line of the Fresnel lines and are lower than the horizontal center line of the Fresnel lines; the central first visual area 3 and the central second visual area 4 respectively have optical included angles of 35 degrees in the horizontal direction.
The centers of the concentric circles of the Fresnel lines of the left visual area 2 and the right visual area 5 are equal in height, and the centers of the concentric circles of the Fresnel lines are all positioned below the horizontal center line of the Fresnel lines; the circle centers of the concentric circles of the Fresnel lines in the left visual area 2 are also deviated to the left, and the circle centers of the concentric circles of the Fresnel lines in the right visual area 5 are also deviated to the right; the left side view area 2 and the right side view area 5 respectively have an optical angle of 20 degrees in the horizontal direction.
The center of the concentric circle of the Fresnel lines in the left corner visual area 1 is lower than that of the concentric circle of the Fresnel lines in the left side visual area 2; the center of the concentric circle of the Fresnel lines in the right angle visual area 6 is lower than that of the concentric circle of the Fresnel lines in the right angle visual area 5; the left corner viewing area 1 and the right corner viewing area 6 respectively have an optical included angle of 5 degrees in the horizontal direction. The circle center of the concentric circle of the Fresnel line of the lower side visual area 7 is positioned on the vertical center line of the Fresnel line and is higher than the horizontal center line of the Fresnel line.
The distance range between each tooth form and each tooth form of concentric circles of Fresnel lines of the left corner visual area 1, the left side visual area 2, the center first visual area 3, the center second visual area 4, the right side visual area 5, the right corner visual area 6 and the lower side visual area 7 is 0.05-1.0 mm. The horizontal detection angle of the circular mirror body 8 is 120 degrees, the vertical detection angle is 45 degrees, wherein the installation height is 5 degrees above, and the installation height is 40 degrees below. The detection distance of the central first visual area 3 and the central second visual area 4 is 5m, and the detection distance of the left visual area 2 and the right visual area 5 is 3 m. The diameter of the texture zone of the circular mirror body 8 is phi 13.8 mm.
The lens structure of the utility model, the horizontal detection angle is composed of a left angle visual area 1, a left side visual area 2, a center first visual area 3, a center second visual area 4, a right side visual area 5 and a right angle visual area 6, the left angle visual area 1 can realize 5 degrees of optical included angle and is responsible for detecting a left outer 5 degrees sensing range taking a central line as a reference, the left side visual area 2 can realize 20 degrees of optical included angle and is responsible for detecting a left side 35-55 degrees sensing range taking the central line as a reference, the center first visual area 3 can realize 35 degrees of optical included angle and is responsible for detecting a left side 0-35 degrees sensing range taking the central line as a reference, the center second visual area 4 can realize 35 degrees of optical included angle and is responsible for detecting a right side 0-35 degrees sensing range taking the central line as a reference, the right side visual area 5 can realize 20 degrees of optical included angle and is responsible for detecting a right side 35-55 degrees sensing range taking the central line as a reference, the right angle viewing area 6 can realize an optical included angle of 5 degrees, is responsible for detecting a sensing range of 5 degrees on the right outer side with the central line as the reference, and integrally realizes a large angle sensing angle of 120 degrees horizontally.
The vertical detection angle is composed of an upper side visual area (a left side angle visual area 1, a left side visual area 2, a center first visual area 3, a center second visual area 4, a right side visual area 5 and a right side angle visual area 6) and a lower side visual area 7, the upper side visual area can realize 40-degree optical included angles, and is responsible for detecting 5-degree induction ranges above the forward level and below the forward level, the lower side visual area 7 can realize 5-degree optical included angles, is responsible for detecting 35-40-degree induction ranges below the forward level, the vertical 45-degree induction angles are integrally realized, the detection blind areas are effectively reduced, and the detection coverage range is improved.
Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some technical features. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the scope of the present invention.
Claims (10)
1. A lens structure for intelligent doorbell induction is characterized by comprising a circular lens body, wherein the circular lens body consists of a left angle visual area, a left side visual area, a central first visual area, a central second visual area, a right side visual area, a right angle visual area and a lower side visual area; the left side angle visual area, the left side visual area, the central first visual area, the central second visual area, the right side visual area and the right side angle 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 central first visual area, the central second visual area and the right side visual area; the intelligent doorbell comprises a left side angle visual area, a left side visual area, a center two visual areas, a right side visual area, a right side angle visual area and a lower side visual area, wherein the left side angle visual area, the left side visual area, the center one visual area, the center two visual areas, the right side visual area, the right side angle visual area and the lower side visual area are lens sheets provided with Fresnel lines and focus on the induction position of a pyroelectric sensor of the intelligent doorbell.
2. The lens structure for the induction of the intelligent doorbell according to claim 1, wherein the centers of the concentric circles of the fresnel patterns in the first central visual area and the second central visual area are equal in height, and the centers of the concentric circles of the fresnel patterns are all located on the vertical center line of the lens structure and are lower than the horizontal center line of the lens structure; the central first visual area and the central second visual area respectively have optical included angles of 35 degrees in the horizontal direction.
3. The lens structure for the induction of the intelligent doorbell according to claim 1, characterized in that the centers of the concentric circles of the fresnel patterns in the left side visual area and the right side visual area are equal in height, and the centers of the concentric circles of the fresnel patterns are all located below the horizontal center line of the lens structure; the circle centers of the concentric circles of the Fresnel lines in the left visual area are also deviated to the left, and the circle centers of the concentric circles of the Fresnel lines in the right visual area are also deviated to the right; the left visual area and the right visual area respectively have an optical included angle of 20 degrees in the horizontal direction.
4. The lens structure for the induction of the intelligent doorbell according to any one of claims 1-3, characterized in that the center of the concentric circle of the Fresnel line of the left corner visual area is lower than the center of the concentric circle of the Fresnel line of the left side visual area; the center of the concentric circle of the Fresnel lines in the right angle visual area is lower than that of the concentric circle of the Fresnel lines in the right angle visual area; the left angle visual area and the right angle visual area respectively have optical included angles of 5 degrees in the horizontal direction.
5. The lens structure for induction of the intelligent doorbell according to any one of claims 1-3, characterized in that the center of the concentric circle of the Fresnel line of the lower viewing zone is located at the vertical center line of the lens structure and is higher than the horizontal center line of the lens structure.
6. The lens structure for the induction of the intelligent doorbell according to any one of claims 1 to 3, characterized in that the distance between each tooth form and the tooth form of the concentric circles of Fresnel lines in the left corner visual area, the left side visual area, the central first visual area, the central second visual area, the right side visual area, the right corner visual area and the lower side visual area ranges from 0.05 mm to 1.0 mm.
7. A lens structure for induction of an intelligent doorbell according to any one of the claims 1-3, characterized in that the horizontal detection angle of the circular mirror body is 120 ° and the vertical detection angle is 45 °, wherein the installation height is 5 ° above and 40 ° below.
8. The lens structure for induction of the intelligent doorbell according to any one of claims 1-3, characterized in that the detection distance of the central first and second viewing zones is 5m, and the detection distance of the left and right viewing zones is 3 m.
9. A lens structure for induction of an intelligent doorbell according to any one of the claims 1-3, characterized in that the diameter of the said circular mirror textured area is phi 13.8mm and the thickness of the lens structure is 0.7 mm.
10. A lens structure for induction of an intelligent doorbell according to any of the claims 1-3, characterized in that the mounting height of the circular mirror is 1.5 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122784833.XU CN216248373U (en) | 2021-11-12 | 2021-11-12 | Lens structure for intelligent doorbell induction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122784833.XU CN216248373U (en) | 2021-11-12 | 2021-11-12 | Lens structure for intelligent doorbell induction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216248373U true CN216248373U (en) | 2022-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122784833.XU Active CN216248373U (en) | 2021-11-12 | 2021-11-12 | Lens structure for intelligent doorbell induction |
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| Country | Link |
|---|---|
| CN (1) | CN216248373U (en) |
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2021
- 2021-11-12 CN CN202122784833.XU patent/CN216248373U/en active Active
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