CN220894571U - Human body induction wide-angle lens for intelligent door lock - Google Patents
Human body induction wide-angle lens for intelligent door lock Download PDFInfo
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- CN220894571U CN220894571U CN202322833585.2U CN202322833585U CN220894571U CN 220894571 U CN220894571 U CN 220894571U CN 202322833585 U CN202322833585 U CN 202322833585U CN 220894571 U CN220894571 U CN 220894571U
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- 230000006698 induction Effects 0.000 title claims abstract description 18
- 239000000178 monomer Substances 0.000 claims abstract description 32
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 230000003287 optical effect Effects 0.000 claims abstract description 5
- 238000005192 partition Methods 0.000 claims 1
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003644 lens cell Anatomy 0.000 description 1
- 238000011896 sensitive detection Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
The utility model provides a human body induction wide-angle lens for an intelligent door lock, which relates to the technical field of optical engineering and comprises the following components: a fixing seat; the lens body is used for collecting and converging human body pyroelectric signals; the lens body includes a plurality of sub-lens segments: the top area, the first middle area, the second middle area, the third middle area, the first side area, the second side area and the bottom area are sequentially connected from top to bottom, and the first side area and the second side area are arranged on two sides of the second middle area and the third middle area; the top zone has at least three fresnel lens monomers, the first zone has at least three fresnel lens monomers, the second zone has at least two fresnel lens monomers, the third zone has at least three fresnel lens monomers, the bottom zone has at least three fresnel lens monomers, the first side zone and the second side zone each have at least two fresnel lens monomers. The utility model increases the detection range of the vertical angle on the basis of ensuring the detection angle in the horizontal direction, and reduces the induction blind area.
Description
Technical Field
The utility model relates to the technical field of optical engineering, in particular to a human body induction wide-angle lens for an intelligent door lock.
Background
The intelligent human body sensor capable of detecting human bodies is widely applied to intelligent home solutions, particularly to intelligent door lock systems. The human body sensor assembly capable of detecting the human body pyroelectric signals is combined with the intelligent door lock system, so that the safety of the door lock system can be improved, and the user verification system can be assisted to complete the identification task. The human body sensor consists of a lens, a photosensitive element, a photosensitive circuit and a mechanical part, wherein the lens is an important device for collecting signals with specific wave bands to sense a human body. The human body induction lens currently applied to the intelligent door lock system has the problems of insufficient detection angle (especially detection angle in the vertical direction) and low precision. Therefore, the lens structure of the human body sensor which accords with the use scene of the intelligent door lock (doorbell) system is designed to realize human sense triggering, can cover a large angle in the vertical direction widely, realizes accurate and sensitive detection in an area, and has a wide application prospect.
Disclosure of utility model
The utility model aims to at least solve one of the technical problems in the prior art or related technologies, and discloses a human body induction wide-angle lens for an intelligent door lock, which has a very large detection range in the vertical direction and is more suitable for the use scene of a door lock (doorbell) system.
The first aspect of the present utility model discloses a human body induction wide-angle lens for an intelligent door lock, comprising: the fixed seat is used for connecting the door body; the lens main body is embedded into the fixed seat and is used for collecting and converging human body pyroelectric signals; the lens body includes a plurality of sub-lens sections; the sub-lens subarea specifically comprises a top area, a first middle area, a second middle area, a third middle area, a first side area, a second side area and a bottom area; the top area, the first middle area, the second middle area, the third middle area and the bottom area are sequentially connected from top to bottom, and the first side area and the second side area are arranged on two sides of the second middle area and the third middle area; the top zone has at least three fresnel lens monomers, the first zone has at least three fresnel lens monomers, the second zone has at least two fresnel lens monomers, the third zone has at least three fresnel lens monomers, the bottom zone has at least three fresnel lens monomers, the first side zone and the second side zone each have at least two fresnel lens monomers.
According to the human body induction wide-angle lens for the intelligent door lock disclosed by the utility model, preferably, only the Fresnel lens monomers in the first middle zone and the second middle zone are provided with complete center textures, and the center textures are complete circular textures on the periphery of the center optical axis of the Fresnel texture.
According to the human body sensing wide-angle lens for the intelligent door lock disclosed by the utility model, preferably, the Fresnel lens textures of the first side region and the second side region radiate and extend towards the middle part of the lens main body.
According to the human body induction wide-angle lens for the intelligent door lock disclosed by the utility model, preferably, the texture of the Fresnel lens in the top area is extended towards the middle of the lens body in a radiating way, the texture of the Fresnel lens monomer in the middle of the bottom area is extended towards the lower part of the lens body in a radiating way, and the textures of the Fresnel lens monomers at two sides of the bottom area are extended towards the middle of the lens body in a radiating way.
According to the human body induction wide-angle lens for the intelligent door lock disclosed by the utility model, preferably, the top area, the first middle area, the second middle area, the first side area, the second side area and the bottom area are integrally formed.
According to the human body induction wide-angle lens for the intelligent door lock disclosed by the utility model, preferably, the area sizes of all areas of the sub-lens subareas are as follows in sequence from small to large: a top region, a bottom region, a first middle region, a third middle region, a second middle region.
According to the human body induction wide-angle lens for the intelligent door lock disclosed by the utility model, preferably, the first side area and the second side area are symmetrically distributed on two sides of the second middle area and the third middle area, the area of the first side area and the second side area is larger than that of the second middle area and smaller than that of the third middle area.
According to the human body induction wide-angle lens for the intelligent door lock disclosed by the utility model, preferably, the areas of the first side area and the second side area are larger than the area of the second middle area and smaller than the area of the first middle area.
According to the human body induction wide-angle lens for the intelligent door lock, preferably, under the condition that the focal length of the Fresnel lens monomer is 5mm, the detection angle of 120 degrees in the horizontal direction and the detection angle of 115 degrees in the vertical direction can be realized.
The beneficial effects of the utility model at least comprise: the intelligent door lock has the advantages that the lens structure of the human body induction device is reasonably adjusted according to the working scene of the intelligent door lock, the detection range of the vertical angle is increased on the basis of guaranteeing the detection angle in the horizontal direction, and the induction blind area is reduced.
Drawings
Fig. 1 shows a schematic diagram of the overall structure of a human body sensing wide-angle lens for an intelligent door lock according to an embodiment of the present utility model.
Fig. 2 shows a schematic view of a lens pattern according to an embodiment of the utility model.
Fig. 3 shows a cross-sectional view of a fresnel lens cell according to an embodiment of the utility model.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways than as described herein, and therefore the present utility model is not limited to the specific embodiments disclosed below.
As shown in fig. 1 and 2, according to one embodiment of the present utility model, there is disclosed a human-body-sensing wide-angle lens for an intelligent door lock, comprising: the fixed seat 1 is used for connecting the door body; the lens main body is embedded into the fixed seat and is used for collecting and converging human body pyroelectric signals; the lens body includes a plurality of sub-lens sections; the sub-lens zone specifically comprises a top zone 2, a first middle zone 3, a second middle zone 4, a third middle zone 5, a first side zone 6, a second side zone 7 and a bottom zone 8; the top area, the first middle area, the second middle area, the third middle area and the bottom area are sequentially connected from top to bottom, and the first side area and the second side area are arranged on two sides of the second middle area and the third middle area; the top zone has at least three fresnel lens monomers, the first zone has at least three fresnel lens monomers, the second zone has at least two fresnel lens monomers, the third zone has at least three fresnel lens monomers, the bottom zone has at least three fresnel lens monomers, the first side zone and the second side zone each have at least two fresnel lens monomers.
According to the above embodiment, it is preferable that the top region, the first middle region, the second middle region, the first side region, the second side region, and the bottom region are integrally formed.
According to the above embodiment, preferably, in the case where the focal length of the fresnel lens unit is 5mm, a 120 ° detection angle in the horizontal direction and a 115 ° detection angle in the vertical direction can be achieved.
According to the above embodiment, it is preferable that the area sizes of the respective areas of the sub-lens sections are in order from small to large: a top region, a bottom region, a first middle region, a third middle region, a second middle region.
According to the above embodiment, the first side region and the second side region are preferably symmetrically distributed on both sides of the second middle region and the third middle region, and the areas of the first side region and the second side region are larger than the area of the second middle region and smaller than the area of the third middle region.
According to the above embodiment, it is preferable that the areas of the first side region and the second side region are larger than the area of the second middle region and smaller than the area of the first middle region.
According to the above embodiment, preferably, the fresnel lens texture of the first side zone and the second side zone extends radially towards the middle of the lens body. The Fresnel lens texture of the top region radially extends toward the middle of the lens body, the Fresnel lens texture of the bottom region radially extends toward the lower side of the lens body, and the Fresnel lens texture of the two sides of the bottom region radially extends toward the middle of the lens body.
As shown in fig. 3, according to the above embodiment, preferably, only the fresnel lens monomers of the first middle section and the second middle section have complete center textures, that is, complete circular textures around the central optical axis 9 of the fresnel textures.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (9)
1. A human response wide angle lens for intelligent lock, its characterized in that includes:
the fixed seat is used for connecting the door body;
The lens main body is embedded into the fixed seat and is used for collecting and converging human body pyroelectric signals;
The lens body includes a plurality of sub-lens sections;
The sub-lens subareas specifically comprise a top area, a first middle area, a second middle area, a third middle area, a first side area, a second side area and a bottom area;
the top region, the first middle region, the second middle region, the third middle region and the bottom region are sequentially connected from top to bottom, and the first side region and the second side region are arranged on two sides of the second middle region and the third middle region;
The top zone has at least three fresnel lens monomers, the first middle zone has at least three fresnel lens monomers, the second middle zone has at least two fresnel lens monomers, the third middle zone has at least three fresnel lens monomers, the bottom zone has at least three fresnel lens monomers, and the first side zone and the second side zone each have at least two fresnel lens monomers.
2. The body sensing wide-angle lens for an intelligent door lock according to claim 1, wherein only the fresnel lens monomers in the first middle region and the second middle region have complete center textures, namely complete circular textures on the periphery of a central optical axis of the fresnel textures.
3. The body-sensing wide-angle lens for a smart door lock of claim 1, wherein the fresnel lens texture of the first side section and the second side section extends radially toward a center of the lens body.
4. The body sensing wide angle lens for an intelligent door lock of claim 1, wherein the fresnel lens texture of the top zone extends radially toward the middle of the lens body, the fresnel lens monomer texture in the middle of the bottom zone extends radially below the lens body, and the fresnel lens monomer textures on both sides of the bottom zone extend radially toward the middle of the lens body.
5. The body sensing wide angle lens for an intelligent door lock of claim 1, wherein the top zone, the first middle zone, the second middle zone, the first side zone, the second side zone, and the bottom zone are integrally formed.
6. The human body sensing wide-angle lens for intelligent door lock according to claim 1, wherein the areas of the sub-lens partitions are as follows in order from small to large: a top region, a bottom region, a first middle region, a third middle region, a second middle region.
7. The human body induction wide-angle lens for intelligent door lock according to claim 3, wherein the first side area and the second side area are symmetrically distributed on two sides of the second middle area and the third middle area, and the area of the first side area and the second side area is larger than the area of the second middle area and smaller than the area of the third middle area.
8. The body sensing wide-angle lens for an intelligent door lock according to claim 3, wherein the first side region and the second side region have an area larger than that of the second middle region and smaller than that of the first middle region.
9. The human body sensing wide-angle lens for an intelligent door lock according to any one of claims 1 to 8, wherein 120 ° detection angle in a horizontal direction and 115 ° detection angle in a vertical direction can be realized in a case that a focal length of the fresnel lens unit is 5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322833585.2U CN220894571U (en) | 2023-10-23 | 2023-10-23 | Human body induction wide-angle lens for intelligent door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322833585.2U CN220894571U (en) | 2023-10-23 | 2023-10-23 | Human body induction wide-angle lens for intelligent door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220894571U true CN220894571U (en) | 2024-05-03 |
Family
ID=90842927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322833585.2U Active CN220894571U (en) | 2023-10-23 | 2023-10-23 | Human body induction wide-angle lens for intelligent door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220894571U (en) |
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2023
- 2023-10-23 CN CN202322833585.2U patent/CN220894571U/en active Active
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