CN212134543U - Infrared induction device for multi-segmentation lens - Google Patents
Infrared induction device for multi-segmentation lens Download PDFInfo
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- CN212134543U CN212134543U CN202020665449.0U CN202020665449U CN212134543U CN 212134543 U CN212134543 U CN 212134543U CN 202020665449 U CN202020665449 U CN 202020665449U CN 212134543 U CN212134543 U CN 212134543U
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Abstract
The utility model is suitable for a check out test set technical field especially relates to a cut apart lens infrared induction device more, comprising a base plate, cut apart lens infrared induction device more still including circuit board, the first lens of cutting apart more and the second lens of cutting apart more, circuit board and perpendicular to bottom plate setting still are provided with infrared emitter and infrared receiver on the circuit board, and the first lens of cutting apart more and the second lens of cutting apart more set up respectively and keep away from circuit board one side at infrared emitter and infrared receiver, are used for diverging light respectively and assemble light. The embodiment of the utility model provides a pair of cut apart lens infrared induction device more, infrared ray that infrared emitter produced disperses to a plurality of light paths through the first lens of cutting apart more behind the lens to with former light divergence shine to waiting to detect the object surface, through waiting to detect the object reflection and absorbing the back, light is cut apart the lens through the second more and is assembled in getting into infrared receiver, thereby when guaranteeing to detect the precision, has improved the detection range of this device greatly.
Description
Technical Field
The utility model belongs to the technical field of check out test set, especially, relate to a cut apart lens infrared induction device more.
Background
Infrared detection, a method for detecting the surface of a material by using the infrared radiation principle. The essence of this is to scan and record the temperature variation on the surface of the inspected material caused by defects or different thermal properties of the material. The method can be used for detecting debonding or incomplete welding parts in a cementing or welding part, cracks, cavities, inclusions and other defects in a solid material.
The existing infrared sensing device consists of a luminous body and a light receptor. Due to the one-to-one combination, the sensing area is limited, and the sensing of the entity in a wide area at a long distance is not possible.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide a cut apart lens infrared induction device more, aim at solving current infrared induction device area of detection little and can not respond to the solid problem in remote extensive area.
The embodiment of the utility model provides a realize like this, a cut apart lens infrared induction device more, comprising a base plate, cut apart lens infrared induction device more still include the circuit board, first cut apart lens more and the second cuts apart the lens more, and circuit board and perpendicular to bottom plate setting still are provided with infrared emitter and infrared receiver on the circuit board, and first cut apart lens more and the second cuts apart the lens and sets up respectively and keep away from circuit board one side at infrared emitter and infrared receiver more, are used for diverging light respectively and assemble light.
Preferably, the upper end of the bottom plate is vertically provided with a back plate, the circuit board is fixed on the back plate, and a middle partition plate is arranged between the first multi-segmentation lens and the second multi-segmentation lens and used for preventing the infrared emitter from directly irradiating the infrared receiver.
Preferably, the first multi-segment mirror plate and the second multi-segment mirror plate are formed by connecting at least two independent mirror plates, and the independent mirror plates are convex lenses.
Preferably, the infrared emitter is a light-emitting infrared LED, the infrared receiver is a light-receiving infrared LED, and the light-emitting infrared LED and the light-receiving infrared LED are combined in a one-to-one manner and are provided with at least 4 groups.
Preferably, the light-emitting infrared LED and the light-receiving infrared LED are disposed on the same plane, the first multi-segment lens is perpendicular to a path of an outgoing light from the light-emitting infrared LED, and the second multi-segment lens is perpendicular to a path of an incoming light from the light-receiving infrared LED.
The embodiment of the utility model provides a pair of cut apart lens infrared induction device more, infrared ray that infrared emitter produced disperses to a plurality of light paths through the first lens of cutting apart more behind the lens to with former light divergence shine to waiting to detect the object surface, through waiting to detect the object reflection and absorbing the back, light is cut apart the lens through the second more and is assembled in getting into infrared receiver, thereby when guaranteeing to detect the precision, has improved the detection range of this device greatly.
Drawings
Fig. 1 is a schematic view of an operating principle of a multi-segment lens infrared sensing device according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an infrared sensing device with multiple segmented lenses according to an embodiment of the present invention.
In the drawings: 1. emitting a light source; 2. a light receiver; 3. a multi-segment lens; 4. a detection point; 5. detecting the distance; 6. a base plate; 7. a back plate; 8. a circuit board; 9. an infrared emitter; 10. an infrared receiver; 11. a middle partition plate; 12. a first multi-segment lens; 13. a second multi-segment lens.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following detailed description is provided for the specific embodiments of the present invention.
As shown in fig. 2, for the embodiment of the utility model provides a pair of cut apart lens infrared induction device's structural schematic diagram more, including bottom plate 6, cut apart lens infrared induction device more and still include circuit board 8, first cut apart lens 12 more and the second cuts apart lens 13 more, and circuit board 8 and perpendicular to bottom plate 6 set up, still are provided with infrared emitter 9 and infrared receiver 10 on the circuit board 8, and first cut apart lens 12 more and the second cuts apart lens 13 more and sets up respectively and keep away from circuit board 8 one side at infrared emitter 9 and infrared receiver 10, is used for diverging light and assembling light respectively.
The utility model discloses an in the example, when using, the infrared ray that infrared emitter 9 produced disperses for a plurality of light paths through first splitting lens 12 back much to disperse original light and shine to waiting to detect the thing surface, through waiting to detect the thing reflection and absorbing the back, light is through the second splitting lens 13 more and is assembled and get into infrared receiver 10 in, thereby when guaranteeing to detect the precision, has improved the detection range of this device greatly.
As shown in fig. 1 and 2, as a preferred embodiment of the present invention, the upper end of the bottom plate 6 is vertically provided with a back plate 7, the circuit board 8 is fixed on the back plate 7, and a middle partition plate 11 is provided between the first multi-division lens 12 and the second multi-division lens 13 for avoiding the infrared emitter 9 directly irradiating the infrared receiver 10.
The utility model discloses an in the example, backplate 7 is used for installation and fixed circuit board 8 to make circuit board 8 can be perpendicular to bottom plate 6, median septum 11 sets up and cuts apart lens 12 and the second more and cut apart between lens 13 at first more, thereby can avoid the light of infrared emitter 9 transmission to directly get into infrared receiver 10 owing to partly take place the scattering when the emergence, thereby cause the reduction of response precision.
As shown in fig. 1 and 2, as a preferred embodiment of the present invention, the first multi-division lens 12 and the second multi-division lens 13 are formed by connecting at least two independent lenses, and each independent lens is a convex lens. In the present embodiment, the first multi-segment mirror 12 and the second multi-segment mirror 13 are each designed to split four light beams.
The utility model discloses an in the example, the quantity of independent lens is two at least, and for enlarging response scope, the quantity of independent lens can be four, and is more even, and the independent lens passes through marginal fixed connection, and the whole lens after connecting becomes certain radian to the maximize is dispersed light.
As shown in fig. 1 and 2, as a preferred embodiment of the present invention, the infrared emitter 9 is a light-emitting infrared LED, the infrared receiver 10 is a light-receiving infrared LED, and the light-emitting infrared LED and the light-receiving infrared LED are combined in a one-to-one manner, and in this embodiment, 8 sets are provided.
As shown in fig. 1 and 2, as a preferred embodiment of the present invention, the light-emitting infrared LED and the light-receiving infrared LED are disposed on the same plane, the first multi-division lens 12 is perpendicular to the path of the outgoing light from the light-emitting infrared LED, and the second multi-division lens 13 is perpendicular to the path of the incoming light from the light-receiving infrared LED.
The utility model discloses an in the example, when using, cut apart lens 3 more and diverge the light that produces luminous infrared ray LED and shine to ground, cut apart lens 3 more and assemble the light of outside for a plurality of light paths after get into in the photic infrared ray LED.
The utility model discloses when using, refer to the light path principle of figure 1, after lens 3 is cut apart more to emergent light source 1 that luminous infrared ray LED produced, can produce and cut apart the equal light column of number with the lens and shine ground, in the theory of operation diagram of figure 1, luminous infrared ray LED is through cutting apart lens 3 backs more, because cut apart the lens design more and cut apart into two bundles of light with a beam of light, then the light of launching has 1 x 2 ═ 2 to restraints, two detection points 4 appear subaerial. The detection distance 5 between the infrared light spots generated on the ground can be adjusted according to the size of the door or the design of the multi-segment lens 3 according to the requirement.
At this time, when the reflected light from the ground detection point 4 passes through the multi-segment lens 3 and is collected and received 2 by the infrared receiving LED, the standard value is set to be a value without being shielded. Once an object is shielded from light, the light value of the received infrared ray is increased, and thus it is determined that the object is close to the sensing area.
The utility model discloses simple structure, it is effectual to respond to. The infrared ray that infrared emitter produced disperses behind the first lens of cutting apart more into a plurality of light paths to with the original light divergence shine to waiting to detect the thing surface, through waiting to detect the thing reflection and absorbing the back, light assembles in getting into infrared receiver through the second lens of cutting apart more, thereby when guaranteeing to detect the precision, has improved the detection range of this device greatly.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The utility model provides a cut apart lens infrared induction device more, includes bottom plate (6), a serial communication port, cut apart lens infrared induction device more still includes circuit board (8), first cut apart lens (12) and second and cut apart lens (13) more, circuit board (8) perpendicular to bottom plate (6) set up, still be provided with infrared emitter (9) and infrared receiver (10) on circuit board (8), first cut apart lens (12) and second and cut apart lens (13) more and set up respectively and keep away from circuit board (8) one side in infrared emitter (9) and infrared receiver (10), be used for respectively diverging light and assemble light.
2. The multi-segmented-lens infrared sensing device according to claim 1, wherein a back plate (7) is vertically disposed on the upper end of the bottom plate (6), the circuit board (8) is fixed on the back plate (7), and a middle partition plate (11) is disposed between the first multi-segmented lens (12) and the second multi-segmented lens (13) for preventing the infrared emitter (9) from directly irradiating the infrared receiver (10).
3. The multi-segmented lens ir sensing device according to claim 2, wherein said first multi-segmented lens (12) and said second multi-segmented lens (13) are each formed by connecting at least two independent lenses, each of which is a convex lens.
4. The multi-segmented-lens infrared sensing device according to claim 2, wherein the infrared emitter (9) is a light-emitting infrared LED, the infrared receiver (10) is a light-receiving infrared LED, and the light-emitting infrared LED and the light-receiving infrared LED are combined one-to-one and each provided with at least 4 groups.
5. The multi-segmented-lens infrared sensing device according to claim 4, wherein the light-emitting infrared LED and the light-receiving infrared LED are disposed on the same plane, the first multi-segmented lens (12) is perpendicular to the path of the outgoing light from the light-emitting infrared LED, and the second multi-segmented lens (13) is perpendicular to the path of the incoming light from the light-receiving infrared LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020665449.0U CN212134543U (en) | 2020-04-27 | 2020-04-27 | Infrared induction device for multi-segmentation lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020665449.0U CN212134543U (en) | 2020-04-27 | 2020-04-27 | Infrared induction device for multi-segmentation lens |
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| Publication Number | Publication Date |
|---|---|
| CN212134543U true CN212134543U (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020665449.0U Active CN212134543U (en) | 2020-04-27 | 2020-04-27 | Infrared induction device for multi-segmentation lens |
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| Country | Link |
|---|---|
| CN (1) | CN212134543U (en) |
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2020
- 2020-04-27 CN CN202020665449.0U patent/CN212134543U/en active Active
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