CN209606645U - A kind of remote infrared induction Fresnel Lenses of multifocal - Google Patents
A kind of remote infrared induction Fresnel Lenses of multifocal Download PDFInfo
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- CN209606645U CN209606645U CN201920491004.2U CN201920491004U CN209606645U CN 209606645 U CN209606645 U CN 209606645U CN 201920491004 U CN201920491004 U CN 201920491004U CN 209606645 U CN209606645 U CN 209606645U
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Abstract
The utility model relates to a kind of remote infrared induction Fresnel Lenses of multifocal, including there are three be sequentially connected integrated Fresnel Lenses unit above, wherein a Fresnel Lenses unit positioned at middle is arranged towards front, remaining Fresnel Lenses unit tilts backwards set on the left and right sides of the Fresnel Lenses unit of the middle and gradually setting symmetrically；And each Fresnel Lenses unit is planar Fresnel lens, it is equipped with reflection groove towards a side surface at rear, the reflection angle of the reflection groove is directed straight ahead, the thermal energy signal in front to be all superimposed, it is superimposed inductive energy, to realize the distance sensing of signal enhancing, it solves people and thirsts for solution but unsolved problem always, the scope of application is wider, induction angle can also be increased simultaneously, and structure is simple, production and processing is easy, it is at low cost, be conducive to mass production and popularization and application, effectively promote the competitiveness of product in market.
Description
Technical field
The utility model belongs to Fresnel Lenses technical field, in particular to a kind of remote infrared induction phenanthrene alunite of multifocal
That lens.
Background technique
Currently, infrared induction Fresnel Lenses in the market is mostly that lens are incuded within 20 meters, and these infrared inductions
Fresnel Lenses is all using single focal lense and a corresponding PIR.But it is found by the applicant that: have in the market many manufacturers in order to
Satisfaction answers the requirement of angle, is all to realize by using the mode for increasing PIR quantity, but cost obviously increases, structure
Become complicated, and can not solve people thirst for how allowing the distance of reaction of infrared induction Fresnel Lenses up to 35 meters always or
Above problem, current 35 meters or more few people are related to, and 35 meters of multifocal induction more nobody go to attempt.
Utility model content
To solve the above-mentioned problems in the prior art, the utility model provides a kind of by utilizing Fresnel Lenses
The thermal energy signal in front is all superimposed by the reflection groove on unit, is superimposed inductive energy, and can focus on one
PIR heat is released on infrared sensor, to realize the distance sensing of signal enhancing, while increasing induction angle, and structure is simple,
Production and processing is easy, the remote infrared induction Fresnel Lenses of multifocal at low cost.
In order to solve the above technical problems, the utility model adopts the following technical solution:
A kind of remote infrared induction Fresnel Lenses of multifocal, including there are three be sequentially connected integrated Fresnel above
Lens unit, wherein a Fresnel Lenses unit for being located at middle is arranged towards front, remaining Fresnel Lenses unit
The left and right sides for the Fresnel Lenses unit for being set to the middle symmetrically simultaneously gradually tilts backwards setting；And it is each
The Fresnel Lenses unit is planar Fresnel lens, is equipped with reflection groove towards a side surface at rear, described anti-
The reflection angle for penetrating groove is directed straight ahead, and the thermal energy signal in front is all superimposed, and is superimposed inductive energy, from
And realize the distance sensing of signal enhancing.
Further, the reflection groove is the groove that section is right angled triangle, and the inclined-plane of the groove is after
Square and its vertical line collects in same point.
Further, Fresnel Lenses list of the reflection groove of three Fresnel Lenses units described above along the middle
The middle vertical plane of member is symmetrical set.
Further, three or more are sequentially connected the integrated Fresnel Lenses unit by one piece of planar Fresnel lens
It bends.
Further, the remote infrared induction Fresnel Lenses of the multifocal includes that be sequentially connected integrated A Fresnel saturating
Mirror unit, B Fresnel Lenses unit and C Fresnel Lenses unit, wherein the B Fresnel Lenses unit is set towards front
Set, the A Fresnel Lenses unit and C Fresnel Lenses unit it is symmetrical be set to B Fresnel Lenses unit left and right
Two sides simultaneously gradually tilt backwards setting.
Further, the A Fresnel Lenses unit, B Fresnel Lenses unit and C Fresnel Lenses unit be altogether
About 50 degree of induction range.
The utility model has the beneficial effects that
The utility model is through the above technical solutions, by utilizing the reflection groove on Fresnel Lenses unit by front
Thermal energy signal be all superimposed, be superimposed inductive energy, and a PIR heat can be focused on and released on infrared sensor, thus
The distance sensing for realizing signal enhancing solves people and thirsts for solution but unsolved problem always, and the scope of application is wider, together
When can also increase induction angle, and structure is simple, and production and processing is easy, at low cost, is conducive to produce in enormous quantities and universal answer
With, effectively promotion the competitiveness of product in market.
Detailed description of the invention
Fig. 1 is a kind of structural representation of the remote infrared induction Fresnel Lenses embodiment of multifocal described in the utility model
Figure；
Fig. 2 is to be located at center in a kind of remote infrared induction Fresnel Lenses embodiment of multifocal described in the utility model
Between Fresnel Lenses unit partial structural diagram；
Fig. 3 is a kind of use signal of the remote infrared induction Fresnel Lenses embodiment of multifocal described in the utility model
Figure.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
It is as shown in Figure 1 to Figure 3:
The remote infrared induction Fresnel Lenses of multifocal described in the utility model embodiment, it is integrated including being sequentially connected
A Fresnel Lenses unit, B Fresnel Lenses unit and C Fresnel Lenses unit, the B Fresnel Lenses unit is towards before just
Side's setting, the A Fresnel Lenses unit and C Fresnel Lenses unit it is symmetrical be set to B Fresnel Lenses unit
The left and right sides simultaneously gradually tilts backwards setting.Wherein, the A Fresnel Lenses unit, B Fresnel Lenses unit and C Fresnel
Lens unit is planar Fresnel lens, is bent by one piece of planar Fresnel lens, and three Fresnel Lenses units close
About 50 degree of the induction range to get up, and a side surface at each Fresnel Lenses unit towards rear is equipped with reflection groove 2, institute
The reflection angle for stating reflection groove 2 is directed straight ahead, and such as Fig. 2 and 3, the reflection groove 2 is the slot that section is right angled triangle
Line, and the inclined-plane of the groove is towards rear and its vertical line collects in same point.
The remote infrared induction Fresnel Lenses of multifocal described in the utility model when in use, passes through utilization three or more
The thermal energy signal in front is all superimposed by the reflection groove 2 on Fresnel Lenses unit, is superimposed inductive energy, and can
It focuses on a PIR heat and releases on infrared sensor 3 (such as Fig. 3), to realize the distance sensing of signal enhancing (up to 35 meters
Distance sensing), it solves people and thirsts for solution but unsolved problem always, the scope of application is wider, while can also increase sense
Angle is answered, and structure is simple, production and processing is easy, and it is at low cost, be conducive to produce in enormous quantities and popularization and application, effectively promotion produce
The market competitiveness of product.
Certainly, the remote infrared induction Fresnel Lenses of multifocal described in the utility model also may include there are three more than
It is sequentially connected integrated Fresnel Lenses unit, wherein a Fresnel Lenses unit for being located at middle is set towards front
Set, remaining Fresnel Lenses unit symmetrically set on the middle Fresnel Lenses unit the left and right sides and gradually
Tilt backwards setting；And three Fresnel Lenses units described above can also be bent by one piece of planar Fresnel lens
It forms, the reflection groove which is provided with is symmetrical set along the middle vertical plane of the Fresnel Lenses unit of the middle, will just
The thermal energy signal in front is all superimposed, and is superimposed inductive energy, and focus on a focus (PIR heat releases infrared sensor
3) on, to realize the distance sensing of signal enhancing.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the protection scope of the utility model.
Claims (6)
1. a kind of remote infrared induction Fresnel Lenses of multifocal, it is characterised in that: including there are three be sequentially connected one above
The Fresnel Lenses unit of body, wherein a Fresnel Lenses unit for being located at middle is arranged towards front, remaining luxuriant and rich with fragrance alunite
Your lens unit is set to the left and right sides of the Fresnel Lenses unit of the middle symmetrically and gradually tilts backwards and sets
It sets；And each Fresnel Lenses unit is planar Fresnel lens, is equipped with reflection towards a side surface at rear
The reflection angle of groove, the reflection groove is directed straight ahead, and the thermal energy signal in front is all superimposed, is superimposed
Inductive energy, to realize the distance sensing of signal enhancing.
2. the remote infrared induction Fresnel Lenses of multifocal according to claim 1, it is characterised in that: the reflection groove
It is the groove that section is right angled triangle, and the inclined-plane of the groove is towards rear and its vertical line collects in same point.
3. the remote infrared induction Fresnel Lenses of multifocal according to claim 2, it is characterised in that: three the above
The reflection groove of Fresnel Lenses unit is symmetrical set along the middle vertical plane of the Fresnel Lenses unit of the middle.
4. the according to claim 1 or 2 or 3 remote infrared induction Fresnel Lenses of multifocal, it is characterised in that: three with
On be sequentially connected the integrated Fresnel Lenses unit and bent by one piece of planar Fresnel lens.
5. the remote infrared induction Fresnel Lenses of multifocal according to claim 4, it is characterised in that: including being sequentially connected
A Fresnel Lenses unit, B Fresnel Lenses unit and the C Fresnel Lenses unit of one, wherein the B Fresnel Lenses list
Member towards front be arranged, the A Fresnel Lenses unit and C Fresnel Lenses unit it is symmetrical be set to B Fresnel
The left and right sides of lens unit simultaneously gradually tilts backwards setting.
6. the remote infrared induction Fresnel Lenses of multifocal according to claim 5, it is characterised in that: the A Fresnel
About 50 degree of the induction range of lens unit, B Fresnel Lenses unit and C Fresnel Lenses unit altogether.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821331695 | 2018-08-17 | ||
| CN2018213316951 | 2018-08-17 |
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| Publication Number | Publication Date |
|---|---|
| CN209606645U true CN209606645U (en) | 2019-11-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201920491004.2U Active CN209606645U (en) | 2018-08-17 | 2019-04-12 | A kind of remote infrared induction Fresnel Lenses of multifocal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110967118A (en) * | 2019-11-26 | 2020-04-07 | 博立码杰通讯(深圳)有限公司 | Fresnel lens unit induction system |
| CN115453671A (en) * | 2022-09-30 | 2022-12-09 | 杭州海康威视数字技术股份有限公司 | Fresnel lens and infrared detection equipment |
-
2019
- 2019-04-12 CN CN201920491004.2U patent/CN209606645U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110967118A (en) * | 2019-11-26 | 2020-04-07 | 博立码杰通讯(深圳)有限公司 | Fresnel lens unit induction system |
| CN110967118B (en) * | 2019-11-26 | 2021-09-28 | 博立码杰通讯(深圳)有限公司 | Fresnel lens unit induction system |
| CN115453671A (en) * | 2022-09-30 | 2022-12-09 | 杭州海康威视数字技术股份有限公司 | Fresnel lens and infrared detection equipment |
| CN115453671B (en) * | 2022-09-30 | 2023-12-05 | 杭州海康威视数字技术股份有限公司 | Fresnel lens and infrared detection equipment |
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