CN210155351U - Pet-preventing lens based on Fresnel stripes - Google Patents
Pet-preventing lens based on Fresnel stripes Download PDFInfo
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- CN210155351U CN210155351U CN201921208392.5U CN201921208392U CN210155351U CN 210155351 U CN210155351 U CN 210155351U CN 201921208392 U CN201921208392 U CN 201921208392U CN 210155351 U CN210155351 U CN 210155351U
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Abstract
The utility model relates to the technical field of lenses, concretely relates to prevent pet lens based on fresnel pattern, including the mirror body, integrated into one piece is used for the spotlight area of spotlight in the mirror body, and spotlight area includes first spotlight portion, second spotlight portion, third spotlight portion and the fourth spotlight portion that sets gradually from top to bottom, and first spotlight portion and second spotlight portion include the first spotlight piece that a plurality of groups symmetry set up, and third spotlight portion sets up the second spotlight piece of two sets of symmetries, and fourth spotlight portion sets up the third spotlight piece that a plurality of groups of symmetries set up, and a plurality of groups the third spotlight piece center is provided with the fourth spotlight piece, and first spotlight piece, second spotlight piece, third spotlight piece and fourth spotlight piece all are provided with fresnel pattern; the utility model provides a current lens use in intelligent house and appear because the pet that raises at home and the misdetection phenomenon easily, adopt the restriction to listen angle control at one hundred degrees, and the range control is at six five meters, and the overall structure of deuterogamying can effectively prevent the pet misdetection phenomenon from appearing, strengthens the detection effect.
Description
Technical Field
The utility model relates to a lens technical field especially relates to a prevent pet lens based on fei nieer line.
Background
The Fresnel human body infrared sensing lens is an essential accessory for the display function of intelligent home 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.
In the prior art, chinese patent application No. CN201820707242.8 discloses a fresnel lens, which solves the technical problems: the infrared light in a larger angle range can be collected by arranging the first light gathering area, the second light gathering area and the third light gathering area; the first light gathering area is provided with a plurality of first light gathering sheets for gathering infrared light at a longer distance. However, in practical use, when the intelligent home is used, the infrared light of the human body cannot be effectively collected according to a specific angle and a specific distance, so that the phenomenon of misdetection is easy to occur, particularly when the pet at home frequently walks, and the misdetection is easy to occur.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a solve current lens and used the phenomenon of misdetection to appear easily in intelligent house, adopted the restriction to listen angle control at one hundred degrees, range control is at six five meters, and the overall structure that deuterogamies can prevent effectively that the pet that raises in the family from triggering the sensor by mistake, causes the misdetection phenomenon, strengthens the pet lens of preventing based on fresnel patterns of listening effect.
The utility model adopts the technical proposal that: the utility model provides a prevent pet lens based on fresnel line, includes the mirror body, integrated into one piece is used for the spotlight district of spotlight in the mirror body, spotlight district includes first spotlight portion, second spotlight portion, third spotlight portion and the fourth spotlight portion that sets gradually from the top down, spotlight district is circular setting, first spotlight portion and second spotlight portion include the first spotlight piece that a plurality of groups symmetry set up, third spotlight portion sets up the second spotlight piece of two sets of symmetries, fourth spotlight portion sets up the third spotlight piece that a plurality of groups symmetry set up, a plurality of groups third spotlight piece center is provided with the fourth spotlight piece, first spotlight piece, second spotlight piece, third spotlight piece and fourth spotlight piece all are provided with fresnel line.
The lens body comprises an outer frame, and the light condensation area is integrally formed in the center of the outer frame.
The further improvement of the scheme is that the outer diameter of the outer frame is provided with a plurality of clamping grooves for fixedly mounting the mirror body.
The further improvement of the scheme is that one surface of the mirror body deviating from the light gathering area is arranged in a hemispherical shape.
In a further improvement of the above aspect, the first light collecting portion and the second light collecting portion are arranged side by side in an up-and-down direction.
The third light condensation part is provided with two groups of second light condensation sheets, and the two groups of second light condensation sheets are symmetrically arranged.
The scheme is further improved in that the fourth light-gathering part is provided with four groups of third light-gathering sheets, and the four groups of third light-gathering sheets are symmetrically arranged in two groups.
The scheme is further improved in that the four groups of third polaroids are arranged in a special-shaped trilateral shape.
The scheme is further improved in that the fourth light gathering sheets are a group and are arranged at the centers of the four groups of third light gathering sheets, and the fourth light gathering sheets are arranged in a trilateral shape.
The scheme is further improved in that the width dimension of the first light-gathering sheet is 2.5-4.5 mm, and the height dimension of the first light-gathering sheet is 5.0-9.5 mm; the width dimension of the second polaroid is 11.0-13.0 mm, and the height dimension of the second polaroid is 4.0-5.0 mm; the third light condensing sheet and the fourth light condensing sheet are 5.0-8.0 mm in width and 4.0-6.0 mm in height.
The utility model has the advantages that:
the human body infrared detection device is characterized in that a lens body is arranged, a light-gathering area is integrally formed on the lens body, the human body infrared rays at a far distance are collected through the light-gathering area and are focused to a sensor to effectively detect the movement of the human body at the far distance, and the human body infrared detection device is reliable in overall structure, good in detection effect and far in distance; the light condensation area is sequentially provided with a first light condensation part, a second light condensation part, a third light condensation part and a fourth light condensation part from top to bottom, specifically, the first light condensation part and the second light condensation part absorb infrared light of a human body and then focus on a sensor, a specified height range is detected, the detection effect is enhanced, the detection positions lower than the first light condensation part and the second light condensation part are expanded through the third light condensation part and the fourth light condensation part, the detection effect is further ensured, the detection in a lower range is limited, the phenomenon of error detection of pets and the like is prevented, and the detection accuracy and the detection effect are ensured; the first light gathering part and the second light gathering part are provided with a plurality of groups of first light gathering sheets, the sensing range of the first light gathering sheets is expanded, meanwhile, the third light gathering part is provided with two groups of symmetrical light gathering sheets for detecting in a larger range, in addition, the fourth light gathering part is provided with a third light gathering sheet and a fourth light gathering sheet, the sensing range can be further expanded, the energy of pets at lower positions is limited, but human infrared light at higher positions can be guaranteed to be detected, the misdetection is avoided, the detection effect is enhanced, the first light gathering sheet, the second light gathering sheet, the third light gathering sheet and the fourth light gathering sheet are provided with Fresnel patterns, the Fresnel patterns are designed according to the principle invented by the French photophysics FRESNEL, and the Fresnel patterns are used for collecting far infrared light to focus on the sensor.
The utility model discloses in, solved current lens and used pet spurious triggering sensor appearing easily in intelligent house and led to the misdetection phenomenon, adopted the restriction to listen angle control at one hundred degrees, range control is at six five meters, and the overall structure of deuterogamying can effectively prevent the misdetection phenomenon from appearing, strengthens the detection effect.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Description of reference numerals: the pet-preventing lens comprises an anti-pet lens 100, a lens body 110, an outer frame 111, a clamping groove 112, a light-gathering area 120, a first light-gathering part 130, a first light-gathering sheet 131, a second light-gathering part 140, a third light-gathering part 150, a second light-gathering sheet 151, a fourth light-gathering part 160, a third light-gathering sheet 161 and a fourth light-gathering sheet 162.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, a pet-preventing lens 100 based on fresnel patterns comprises a lens body 110 and a light-gathering region 120 integrally formed on the lens body 110 and used for gathering light, wherein the light-gathering region 120 comprises a first light-gathering portion 130, a second light-gathering portion 140, a third light-gathering portion 150 and a fourth light-gathering portion 160 which are sequentially arranged from top to bottom, the light-gathering region 120 is circularly arranged, the first light-gathering portion 130 and the second light-gathering portion 140 comprise a plurality of groups of first light-gathering sheets 131 symmetrically arranged, the third light-gathering portion 150 comprises two groups of second light-gathering sheets 151 symmetrically arranged, the fourth light-gathering portion 160 comprises a plurality of groups of third light-gathering sheets 161 symmetrically arranged, the plurality of groups of the third light-gathering sheets 161 are centrally provided with fourth light-gathering sheets 162, and the first light-gathering sheets 131, the second light-gathering sheets 151, the third light-gathering sheets 161 and the fourth light-gathering sheets.
The mirror body 110 includes an outer frame 111, the light-gathering region 120 is integrally formed at the center of the outer frame 111, the outer frame 111 facilitates the installation and fixation of the integral structure, and the light-gathering region 120 integrally formed at the center of the outer frame 111 enhances the overall light-gathering effect and increases the detection range.
The outer diameter of outer frame 111 offers a plurality of draw-in grooves 112 that are used for fixed mounting mirror body 110, sets up draw-in groove 112 and is used for fixed mounting to use, and then conveniently fixes a position angle installation, also can strengthen fixed effect simultaneously.
The one side of the mirror body 110 deviating from the light gathering area 120 is a hemispherical surface, and a hemispherical surface structure design is adopted, so that the detection range and the wide-angle infrared light incoming energy are expanded, and meanwhile, the hemispherical surface is a frosted surface, so that the reliability of the whole appearance and the wear resistance are enhanced.
The third light condensing part 150 is provided with two sets of second light condensing sheets 151, the two sets of second light condensing sheets 151 are symmetrically arranged, the second light condensing sheets 151 are arranged in a special-shaped quadrangle, and the two sets of second light condensing sheets are symmetrically arranged, so that the absorption of induction energy is more uniform, and the limit of height of infrared light from pets at lower positions can be avoided.
The fourth light-gathering part 160 is provided with four groups of third light-gathering sheets 161, the four groups of third light-gathering sheets 161 are symmetrically arranged, and the further improvement is that the four groups of third light-gathering sheets 161 are arranged in a special-shaped trilateral shape and are formed by adopting multiple groups of three deformation, so that the overall detection range expansion effect and the pet-prevention limiting effect are better, and the error detection prevention is further improved.
The fourth light focusing sheet 162 is a set of center that sets up in four sets of third light focusing sheets 161, the fourth light focusing sheet 162 is the trilateral setting, can further play the limiting displacement who prevents the pet through the fourth light focusing sheet 162 to can absorb sufficient human infrared light as the prerequisite, can spacing infrared light that comes from the lower position pet simultaneously again, thereby prevent the misdetection, strengthen the detection effect.
The first light-gathering sheet 131 has a width dimension of 2.5 to 4.5mm and a height dimension of 5.0 to 9.5 mm; the width dimension of the second light condensing sheet 151 is 11.0-13.0 mm, and the height dimension is 4.0-5.0 mm; the third light condensing sheet 161 and the fourth light condensing sheet have a width dimension of 5.0-8.0 mm and a height dimension of 4.0-6.0 mm.
The lens body 110 is arranged, the light-gathering area 120 is integrally formed on the lens body 110, infrared light of a human body is absorbed by the light-gathering area 120, and then the detection range is expanded and enlarged through focusing of the light-gathering part, so that the whole structure is reliable, the detection effect is good, and the distance is long; the light-gathering area 120 is sequentially provided with a first light-gathering part 130, a second light-gathering part 140, a third light-gathering part 150 and a fourth light-gathering part 160 from top to bottom, specifically, a specified height range is detected after human infrared light is absorbed by the first light-gathering part 130 and the second light-gathering part 140, the detection effect is enhanced, the detection range of positions lower than the first light-gathering part 130 and the second light-gathering part 140 is expanded by the third light-gathering part 150 and the fourth light-gathering part 160, the detection effect is further ensured, meanwhile, the detection of a lower range such as a pet is limited, the phenomenon of misdetection of the pet and the like is prevented, and therefore, the detection precision and the detection effect are ensured; the first light focusing part 130 and the second light focusing part 140 are provided with a plurality of groups of first light focusing sheets 131, the first light focusing sheets 131 expand sensing wavelength to expand sensing range, meanwhile, the third light focusing part 150 is provided with two groups of symmetrical light focusing sheets to limit the lower position of a heating source such as the sensing height of a pet, in addition, the fourth light focusing part 160 is provided with a third light focusing sheet 161 and a fourth light focusing sheet 162, the function of the third light focusing sheet 161 and the fourth light focusing sheet 162 can further limit the detection of the pet with the lower position, thereby ensuring that the pet cannot be misdetected and enhancing the sensing effect, the first light focusing sheet 131, the second light focusing sheet 151, the third light focusing sheet 161 and the fourth light focusing sheet 162 are provided with Fresnel patterns, and the Fresnel patterns are designed according to the principle of the France photophysics FRENEL, and are used for focusing far infrared light on the sensor to achieve the effect of energy amplification.
The utility model discloses in, solved current lens and used the easy misdetection phenomenon that appears in intelligent house, adopted the restriction to listen angle control at one hundred degrees, range control is at six five meters, and overall structure is deuterogamied, can effectively prevent the misdetection phenomenon from appearing, strengthens the detection effect.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides an anti pet lens based on fresnel pattern which characterized in that: including the mirror body, integrated into one piece is used for the spotlight district of spotlight in the mirror body, gather the district and include first spotlight portion, second spotlight portion, third spotlight portion and the fourth spotlight portion that sets gradually from the top down, gather the district and be circular setting, first spotlight portion and second spotlight portion include the first condensing sheet that a plurality of sets of symmetry set up, third spotlight portion sets up the second condensing sheet of two sets of symmetries, fourth spotlight portion sets up the third condensing sheet that a plurality of sets of symmetries set up, a plurality of sets the third condensing sheet center is provided with the fourth condensing sheet, first condensing sheet, second condensing sheet, third condensing sheet and fourth condensing sheet all are provided with the fresnel line.
2. A fresnel pattern-based anti-pet lens according to claim 1, wherein: the mirror body comprises an outer frame, and the light condensation area is integrally formed in the center of the outer frame.
3. A fresnel pattern based anti-pet lens according to claim 2, wherein: the outer diameter of the outer frame is provided with a plurality of clamping grooves for fixedly mounting the mirror body.
4. A fresnel pattern-based anti-pet lens according to claim 1, wherein: one side of the mirror body, which is far away from the light-gathering area, is arranged in a hemispherical manner.
5. A fresnel pattern-based anti-pet lens according to claim 1, wherein: the first light condensation part and the second light condensation part are arranged side by side up and down.
6. A fresnel pattern-based anti-pet lens according to claim 1, wherein: the third light condensation part is provided with two groups of second light condensation sheets, and the two groups of second light condensation sheets are symmetrically arranged.
7. A fresnel pattern-based anti-pet lens according to claim 1, wherein: the fourth light-gathering part is provided with four groups of third light-gathering sheets, and the four groups of third light-gathering sheets are symmetrically arranged in two groups.
8. A Fresnel pattern based anti-pet lens according to claim 7, wherein: the four groups of third polaroids are arranged in a special-shaped trilateral shape.
9. A fresnel pattern-based anti-pet lens according to claim 8, wherein: the fourth light gathering sheets are a group and are arranged at the centers of the four groups of third light gathering sheets, and the fourth light gathering sheets are arranged in a trilateral shape.
10. A fresnel pattern-based anti-pet lens according to claim 9, wherein: the width dimension of the first light-gathering sheet is 2.5-4.5 mm, and the height dimension of the first light-gathering sheet is 5.0-9.5 mm; the width dimension of the second polaroid is 11.0-13.0 mm, and the height dimension of the second polaroid is 4.0-5.0 mm; the third light condensing sheet and the fourth light condensing sheet are 5.0-8.0 mm in width and 4.0-6.0 mm in height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921208392.5U CN210155351U (en) | 2019-07-29 | 2019-07-29 | Pet-preventing lens based on Fresnel stripes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921208392.5U CN210155351U (en) | 2019-07-29 | 2019-07-29 | Pet-preventing lens based on Fresnel stripes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210155351U true CN210155351U (en) | 2020-03-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921208392.5U Active CN210155351U (en) | 2019-07-29 | 2019-07-29 | Pet-preventing lens based on Fresnel stripes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210155351U (en) |
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2019
- 2019-07-29 CN CN201921208392.5U patent/CN210155351U/en active Active
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