CN210922850U - Intelligent infrared human body inductor - Google Patents
Intelligent infrared human body inductor Download PDFInfo
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- CN210922850U CN210922850U CN201922226607.2U CN201922226607U CN210922850U CN 210922850 U CN210922850 U CN 210922850U CN 201922226607 U CN201922226607 U CN 201922226607U CN 210922850 U CN210922850 U CN 210922850U
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- circuit board
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- upper cover
- lower cover
- fresnel lens
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- 230000001939 inductive effect Effects 0.000 abstract 1
- 230000006698 induction Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model relates to an inductor technical field specifically discloses infrared human sensor of intelligence, include: the infrared sensor comprises a lower cover, a spring clamp, a second layer of circuit board, a first layer of circuit board, an infrared sensor, a Fresnel lens and an upper cover; the second layer of circuit board is fixedly connected with the lower cover; the first layer of circuit board is positioned on one side of the second layer of circuit board far away from the lower cover, the first layer of circuit board is fixedly connected with the second layer of circuit board, and the infrared sensor is fixed on the surface of the first layer of circuit board far away from the second layer of circuit board; the lower half part of the Fresnel lens is hemispherical, and the upper half part of the Fresnel lens is a rectangular frame; the cross section of the upper cover is circular, a circular hole is formed in the middle of the upper cover, the middle of the inner surface of the upper cover is also bulged inwards to form a rectangular clamping groove, an upper cover buckle is integrally formed at the edge of the upper cover, and a circular fixing disc is integrally formed on one side, facing the upper cover, of the lower cover; the fixed disc is correspondingly provided with a clamping groove. Adopt the technical scheme of the utility model can conveniently change the inductive distance when guaranteeing less volume.
Description
Technical Field
The utility model relates to an inductor technical field, in particular to infrared human sensor of intelligence.
Background
Since the infrared human body sensor has the advantages of no radiation, low power consumption, good concealment, low price, etc., the infrared human body sensor is widely used in various environments.
The existing infrared sensor has fixed sensing distance and can only be used in a fixed environment, and products with different specifications can only be purchased again if a use scene needs to be changed. Moreover, the inside of the existing infrared inductor usually adopts a whole main board, which causes the volume of the whole infrared inductor to be larger.
For this reason, there is a need for an infrared human body sensor which is small in size and convenient to change a sensing distance.
SUMMERY OF THE UTILITY MODEL
The utility model provides an infrared human sensor of intelligence possess less volume and conveniently change the induction distance.
In order to solve the technical problem, the present application provides the following technical solutions:
infrared human sensor of intelligence includes: the infrared sensor comprises a lower cover, a spring clamp, a second layer of circuit board, a first layer of circuit board, an infrared sensor, a Fresnel lens and an upper cover;
the lower cover is in a hollow cylindrical shape, vertical grooves are formed in two sides of the outer surface of the lower cover, which are opposite to each other, and the spring clamp is detachably connected to the side walls of the vertical grooves; the second layer of circuit board is fixedly connected with the lower cover; the first layer of circuit board is positioned on one side of the second layer of circuit board far away from the lower cover, the first layer of circuit board is fixedly connected with the second layer of circuit board, and the infrared sensor is fixed on the surface of the first layer of circuit board far away from the second layer of circuit board; the lower half part of the Fresnel lens is hemispherical, the upper half part of the Fresnel lens is a rectangular frame, and the upper half part and the lower half part are integrally formed; the cross section of the upper cover is circular, a circular hole is formed in the middle of the upper cover, the middle of the inner surface of the upper cover is also bulged inwards to form a rectangular clamping groove, an upper cover buckle is integrally formed at the edge of the upper cover, and a circular fixing disc is integrally formed on one side, facing the upper cover, of the lower cover; the fixed disc is correspondingly provided with a clamping groove.
The basic scheme principle and the beneficial effects are as follows:
during assembly, the Fresnel lens is aligned to the rectangular clamping groove in the inner surface of the upper cover, so that the Fresnel lens and the rectangular frame on the upper portion are fixed by the rectangular clamping groove, and fixation of the Fresnel lens is achieved. The lower half part of the Fresnel lens is exposed by the circular hole; and then the upper cover is buckled into the buckle groove at the corresponding position of the fixed disc, so that the upper cover and the lower cover are fixed. In this scheme, adopted the design of double-deck circuit board, compare with the inductor that current adoption individual layer circuit board designed, make full use of inner space can accomplish littleer volume under the circumstances of guaranteeing the same function moreover. The marginal integrated into one piece of upper cover has the upper cover buckle, and it has the buckle groove to correspond to open on the fixed disk, and the upper cover can be convenient dismantlement, through changing different upper cover and fresnel lens, can adjust induction range. The inductor adopts the spring clip to fix on the whole, convenient operation and fixed stable.
Further, spring clamp supporting columns are integrally formed on the side walls of the two sides, opposite to the vertical grooves, and are perpendicular to the side walls, and each spring clamp comprises a cylindrical torsion spring; the spring clip support column is used for extending into the holes at the two ends of the torsion spring.
When the spring clamp needs to be taken down, only the holes at the two ends of the torsion spring need to be separated from the spring clamp supporting columns, and the operation is convenient.
Furthermore, the outer surface of the lower cover is provided with a rectangular switch hole and a rectangular wire inlet hole; the surface of the second layer of circuit board facing the lower cover is fixedly connected with a dial switch and a power bus terminal, and the dial switch and the power bus terminal are respectively positioned under the orthographic projection of the switch hole and the wire inlet hole.
From taking power bus terminal, plug and trade the room convenience. After the dial switch is arranged, a worker can conveniently set a communication address through the dial switch under the condition that the inductor is not opened.
Furthermore, still include the row needle, open on first layer circuit board and the second floor circuit board and have corresponding row pin hole, arrange the needle both ends and arrange pin hole fixed connection on first layer circuit board and the second floor circuit board respectively, arrange the needle both ends.
The first layer of circuit board and the second layer of circuit board are separated through the pin header, and the first layer of circuit board and the second layer of circuit board can be guaranteed to have good heat dissipation.
Furthermore, a support frame with a circular ring-shaped cross section is fixed on the lower surface of the first layer circuit board, the support frame is located between the infrared sensor and the first layer circuit board, and the support frame is used for supporting the infrared sensor.
The distance between the infrared sensor and the Fresnel lens can be controlled through the support frame, in other words, the infrared sensor and the Fresnel lens can keep the optimal distance as long as the length of the support frame is proper, and the induction effect of the Fresnel lens is enhanced.
And the indicating lamp is fixedly connected to the surface of the first layer circuit board, which is far away from the second layer circuit board, and an indicating lamp hole is formed in the inner surface of the upper cover and does not penetrate through the upper cover.
Set up the pilot lamp, the user of being convenient for observes inductor behavior through the pilot lamp. The indicating lamp hole does not penetrate through the upper cover, so that unnecessary holes are reduced on the upper cover, and dust is prevented from entering the upper cover.
Further, the longitudinal section of the spring clamp supporting column is rectangular.
The rectangle is good to the spacing effect of cylindrical torsional spring.
Further, the lower cover fixing disc is provided with a lower cover buckle towards the bottom surface of the second layer circuit board in an integrated forming mode, and the second layer circuit board is fixedly connected with the lower cover through the lower cover buckle.
Due to the fact that the lower cover buckle is arranged, the second-layer circuit board is convenient to detach and fix.
Further, the diameter of the lower half part of the Fresnel lens is 23-24 mm; the distance between the end part of the infrared sensor and the Fresnel lens is 10-11 mm.
The lower half part of the Fresnel lens has a relatively large diameter, and the sensing range is relatively large, so that the Fresnel lens can be used in bedrooms, warehouses, halls and other places. The distance of 10-11mm is kept, and the inductor arranged on the ceiling has good induction effect on the ground
Further, the diameter of the lower half part of the Fresnel lens is 11-12 mm; the distance between the end part of the infrared sensor and the Fresnel lens is 10-11 mm.
The diameter of the lower half part of the Fresnel lens is relatively small, the induction range is relatively small, and the Fresnel lens can be used in places such as a study room, a toilet and a storage room. The distance of 10-11mm is kept, and the inductor arranged on the ceiling has good induction effect on the ground.
Drawings
FIG. 1 is an exploded bottom view of an embodiment of an intelligent infrared body sensor;
FIG. 2 is an exploded top view of an embodiment of the intelligent infrared body sensor;
FIG. 3 is a schematic view of an installation of an intelligent infrared human body sensor according to an embodiment;
fig. 4 is an exploded view of the third bottom view of the embodiment of the intelligent infrared human body sensor.
Detailed Description
The following is further detailed by way of specific embodiments:
the reference numbers in the drawings of the specification include: spring clamp 1, lower cover 2, spring clamp support column 3, dial switch 4, second floor's circuit board 5, power bus terminal 6, row's needle 7, first floor's circuit board 8, support frame 9, infrared sensor 10, fresnel lens 11, upper cover 12, upper cover buckle 13, pilot lamp hole 14, lower cover buckle 15, pilot lamp 16, buckle groove 17, ceiling 18.
Example one
The infrared human sensor of intelligence of this embodiment includes: the LED lamp comprises a spring clamp 1, a lower cover 2, a second-layer circuit board 5, a first-layer circuit board 8, an infrared sensor 10, a Fresnel lens 11 and an upper cover 12.
As shown in fig. 1, the lower cover 2 is a hollow cylinder, and rectangular opening and closing holes and wire inlet holes are formed in the outer surface of the lower cover 2 and are arranged in the front-back direction. The outer diameter of the lower cap 2 at the cylindrical part is 40-50mm, in this embodiment 45 mm.
The left side and the right side opposite to the outer surface of the lower cover 2 are also provided with vertical grooves along the vertical direction, and the front side wall and the rear side wall opposite to the vertical grooves are integrally formed with spring clamp supporting columns 3. The spring clip support column 3 is perpendicular to the side wall, and the longitudinal section of the spring clip support column 3 is rectangular. The bottom of the lower cover 2 is integrally formed with a circular fixed disc. The outer surface of the lower cover 2 is also engraved with four letters of wiring: VGAB.
The spring clamp 1 comprises a cylindrical torsion spring; the spring clamp supporting column 3 is used for extending into holes at two ends of the torsion spring, so that the spring clamp 1 and the lower cover 2 are detachably connected. The torsion spring is formed by winding a metal wire, and the metal wire at one end of the torsion spring also extends outwards; the vertical groove is also provided with a metal wire accommodating hole, and the metal wire extending outwards from the torsion spring is inserted into the metal wire accommodating hole to limit the rotation of the torsion spring. The fixing mode of the spring clamp 1 is the prior art, and this embodiment provides only one implementation mode, and in other embodiments, can be selected according to the environment.
The second layer circuit board 5, the first layer circuit board 8, the infrared sensor 10 and the fresnel lens 11 are arranged in the lower cover 2 from top to bottom in sequence. In this embodiment, the first layer circuit board 8 is circular; the front end and the rear end of the second-layer circuit board 5 are arc edges, and the left end and the right end of the second-layer circuit board are straight edges, so that the second-layer circuit board is better positioned during installation compared with a circular circuit board.
Dial switch 4 and power bus terminal 6 have been welded to the upper surface welding of second floor circuit board 5, and dial switch 4 and power bus terminal 6 are located the orthographic projection of switch hole and entrance hole respectively.
The fixed disk of the lower cover 2 is also integrally formed with a lower cover buckle 15 towards one side of the second layer circuit board 5, and the second layer circuit board 5 is fixed on the lower cover 2 through the lower cover buckle 15.
The first layer circuit board 8 and the second layer circuit board 5 are fixedly connected through the pin header 7, specifically, corresponding pin header holes are formed in the first layer circuit board 8 and the second layer circuit board 5, two ends of the pin header 7 respectively penetrate through the pin header holes, and then the pin header 7 is welded on the pin header holes through tin soldering.
The lower surface of the first layer circuit board 8 is also fixed with a supporting frame 9 with a circular cross section. Specifically, the first layer circuit board 8 is provided with a fixing hole, the support frame 9 is provided with a fixing column corresponding to the integrated molding, and the fixing of the support frame 9 is realized by inserting the fixing column into the fixing hole. The infrared sensor 10 is soldered to the first layer of wiring board 8. Specifically, during processing, the supporting frame 9 is fixed firstly, then the infrared sensor 10 is inserted into the middle of the supporting frame 9, the upper end of the infrared sensor 10 is abutted against the supporting frame 9, three pins of the infrared sensor 10 penetrate through the first layer of circuit board 8, and the back side of the first layer of circuit board is welded. In this embodiment, the infrared sensor 10 is a pyroelectric infrared sensor 10.
The lower half part of the fresnel lens 11 is hemispherical, the upper half part is a rectangular frame, and the upper half part and the lower half part are integrally formed. The diameter of the lower half part of the fresnel lens 11 is 23-24mm, specifically 23.3mm in this embodiment.
The cross section of the upper cover 12 is circular, a circular hole is formed in the middle of the upper cover 12, the diameter of the circular hole is matched with the diameter of the upper half part of the Fresnel lens 11, and the circular hole is 24mm (slightly larger than the diameter of the upper half part of the Fresnel lens 11, so that the situation that the installation cannot be carried out due to machining errors) in the embodiment is avoided.
The middle part of the inner surface of the upper cover 12 is also inwards concave to form a rectangular clamping groove. An upper cover buckle 13 is integrally formed on the edge of the upper cover 12, and as shown in fig. 2, a buckle groove 17 is correspondingly formed on the fixed disk of the lower cover 2. The diameter of the upper cover 12 is 60-70mm, in this embodiment 64 mm. The distance between the lower end part of the infrared sensor 10 and the hemispherical top of the Fresnel lens 11 is 10-11 mm; in this embodiment, it is 10.5 mm; the distance of the sensing ground can reach 8-10 meters when the sensing ground is arranged on a ceiling of 2.5-3 meters according to different installation heights of users.
In this embodiment, the upper cover 12 and the lower cover 2 are both made of white ABS plastic.
As shown in fig. 3, when installing, a circular hole with a diameter of 50mm is cut on the ceiling 18, the spring clamps 1 on two sides of the lower cover 2 are pulled up and inserted into the circular hole of the ceiling 18, after the spring clamps 1 enter the circular hole, the upper cover 12 is rotated to adjust the position to the optimal position.
Example two
The difference between this embodiment and the first embodiment is that this embodiment further includes an indicator lamp 16, the indicator lamp 16 is welded on the lower surface of the first layer circuit board 8, the inner surface of the upper cover 12 is provided with an indicator lamp hole 14, and the indicator lamp hole 14 does not penetrate through the upper cover 12.
EXAMPLE III
The difference between this embodiment and the first embodiment is that, as shown in fig. 4, in this embodiment, the diameter of the lower half of the fresnel lens 11 is 11-12mm, and in this embodiment, 11.8 mm. The distance between the lower end part of the infrared sensor 10 and the hemispherical top of the Fresnel lens 11 is 10-11 mm; in this embodiment, it is 10.5 mm.
The above are only embodiments of the present invention, and the present invention is not limited to the field related to this embodiment, and the common general knowledge of the known specific structures and characteristics in the scheme is not described too much, and those skilled in the art know the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the scheme, and some typical known structures or known methods should not become the obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. Infrared human sensor of intelligence, its characterized in that includes: the infrared sensor comprises a lower cover, a spring clamp, a second layer of circuit board, a first layer of circuit board, an infrared sensor, a Fresnel lens and an upper cover;
the lower cover is in a hollow cylindrical shape, vertical grooves are formed in two sides of the outer surface of the lower cover, which are opposite to each other, and the spring clamp is detachably connected to the side walls of the vertical grooves; the second layer of circuit board is fixedly connected with the lower cover; the first layer of circuit board is positioned on one side of the second layer of circuit board far away from the lower cover, the first layer of circuit board is fixedly connected with the second layer of circuit board, and the infrared sensor is fixed on the surface of the first layer of circuit board far away from the second layer of circuit board; the lower half part of the Fresnel lens is hemispherical, the upper half part of the Fresnel lens is a rectangular frame, and the upper half part and the lower half part are integrally formed; the cross section of the upper cover is circular, a circular hole is formed in the middle of the upper cover, the middle of the inner surface of the upper cover is also bulged inwards to form a rectangular clamping groove, an upper cover buckle is integrally formed at the edge of the upper cover, and a circular fixing disc is integrally formed on one side, facing the upper cover, of the lower cover; the fixed disc is correspondingly provided with a clamping groove.
2. The intelligent infrared human body sensor according to claim 1, wherein: spring clamp supporting columns are integrally formed on the side walls of the two sides, opposite to the vertical grooves, and are perpendicular to the side walls, and each spring clamp comprises a cylindrical torsion spring; the spring clip support column is used for extending into the holes at the two ends of the torsion spring.
3. The intelligent infrared human body sensor according to claim 2, wherein: the outer surface of the lower cover is provided with a rectangular switch hole and a rectangular wire inlet hole; the surface of the second layer of circuit board facing the lower cover is fixedly connected with a dial switch and a power bus terminal, and the dial switch and the power bus terminal are respectively positioned under the orthographic projection of the switch hole and the wire inlet hole.
4. The intelligent infrared human body sensor of claim 3, wherein: the pin header comprises a first layer circuit board and a second layer circuit board, and is characterized by further comprising pin headers, wherein corresponding pin header holes are formed in the first layer circuit board and the second layer circuit board, two ends of each pin header respectively penetrate through the pin header holes in the first layer circuit board and the second layer circuit board, and two ends of each pin header are fixedly connected with the pin header holes.
5. The intelligent infrared human body sensor of claim 4, wherein: the lower surface of the first layer circuit board is also fixed with a support frame with a circular ring-shaped cross section, the support frame is positioned between the infrared sensor and the first layer circuit board, and the support frame is used for supporting the infrared sensor.
6. The intelligent infrared human body sensor of claim 5, wherein: still include the pilot lamp, pilot lamp fixed connection is on the first layer circuit board keeps away from the surface of second floor circuit board, and the internal surface of upper cover is opened has the pilot lamp hole, and the pilot lamp hole does not run through the upper cover.
7. The intelligent infrared human body sensor of claim 6, wherein: the longitudinal section of the spring clamp supporting column is rectangular.
8. The intelligent infrared human body sensor of claim 7, wherein: the lower cover fixing disc is integrally formed with a lower cover buckle towards the bottom surface of the second layer circuit board, and the second layer circuit board is fixedly connected with the lower cover through the lower cover buckle.
9. The intelligent infrared human body sensor of claim 8, wherein: the diameter of the lower half part of the Fresnel lens is 23-24 mm; the distance between the end part of the infrared sensor and the Fresnel lens is 10-11 mm.
10. The intelligent infrared human body sensor of claim 8, wherein: the diameter of the lower half part of the Fresnel lens is 11-12 mm; the distance between the end part of the infrared sensor and the Fresnel lens is 10-11 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922226607.2U CN210922850U (en) | 2019-12-12 | 2019-12-12 | Intelligent infrared human body inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922226607.2U CN210922850U (en) | 2019-12-12 | 2019-12-12 | Intelligent infrared human body inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210922850U true CN210922850U (en) | 2020-07-03 |
Family
ID=71348812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922226607.2U Expired - Fee Related CN210922850U (en) | 2019-12-12 | 2019-12-12 | Intelligent infrared human body inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210922850U (en) |
-
2019
- 2019-12-12 CN CN201922226607.2U patent/CN210922850U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200703 |