A distance detection induction device 100 comprises a housing 1, a condensing lens 2, a circuit board 3 having multiple electronic components, an infrared light emitting means 4, a light receiving means 5 for receiving and sensing the reflected infrared light. The housing 1 comprises a main body 10
A distance detection induction device 100 comprises a housing 1, a condensing lens 2, a circuit board 3 having multiple electronic components, an infrared light emitting means 4, a light receiving means 5 for receiving and sensing the reflected infrared light. The housing 1 comprises a main body 10 and two round openings 11 and 12 on the top of the main body 10. The condensing lens 2 has an emitting lens 21 and a receiving lens 22 respectively located at the two round openings 11 and 12. The circuit board 3 bearing multiple electronic components for processing signal is mounted inside the main body 10. The infrared light emitting means 4 is to be infrared light-emitting diodes, emitting the infrared light to the emitting lens 21. The infrared light receiving means 5 is to be distance detecting sensing module, sensing the reflected light focused by the receiving lens 22. A connection part 23 having at least a bending part is set between the emitting lens 21 and the receiving lens 22. The distance detection induction device of the present invention has higher positioning precision and can enhance the induction performance of the whole device.
대표청구항▼
1. A distance detection induction device comprising: a housing having a main body and two round openings in a top surface of the main body;a unitary condensing lens comprising an emitting lens, a receiving lens, and a connection part having at least one bend, wherein the emitting lens and the receiv
1. A distance detection induction device comprising: a housing having a main body and two round openings in a top surface of the main body;a unitary condensing lens comprising an emitting lens, a receiving lens, and a connection part having at least one bend, wherein the emitting lens and the receiving lens are respectively located at the two round openings, and wherein the connection part fixedly connects the emitting lens to the receiving lens;a circuit board mounted inside the main body and bearing multi-electronic components, wherein the circuit board is used for signal processing;an infrared light emitting means including an infrared light-emitting diode mounted on the circuit board, wherein the infrared light emitting means is configured for emitting infrared light to the emitting lens;a light receiving means including a distance detecting sensing module mounted on the circuit board, wherein the light receiving means is configured for receiving and sensing the infrared light which is emitted by the infrared light emitting means, reflected by a target, and focused by the receiving lens; anda shielding cover. 2. The distance detection induction device according to claim 1, characterized in that said connection part is bent twice, as “z” shape, wherein the connection part is configured to prevent emitted infrared light from transmitting directly from the emitting lens to the receiving lens via the connection part. 3. The distance detection induction device according to claim 1, characterized in that the condensing lens includes a cylindrical structure projecting from a lower part thereof. 4. The distance detection induction device according to claim 1, characterized in that said condensing lens and said housing are installed together by injection molding. 5. The distance detection induction device according to claim 1, characterized in that said distance detection induction device also includes a sealing component mounted between said emitting lens and said infrared light emitting means or between said receiving lens and said light receiving means. 6. The distance detection induction device according to claim 1, characterized in that said distance detection induction device also includes a circuit wire disposing means fixed in said housing by screws. 7. The distance detection induction device according to claim 1, characterized in that said distance detection induction device also includes an indicator mounted on said circuit board and near said infrared light emitting means, wherein the indicator is configured to demonstrate a normal status or a non-normal status of the distance detection induction device. 8. The distance detection induction device according to claim 1, characterized in that said shielding cover is mounted around said infrared light emitting means and said light receiving means, keeping said infrared light emitting means and said light receiving means from the electromagnetic interference. 9. The distance detection induction device according to claim 8, characterized in that said shielding cover comprises a first shielding cover and a second shielding cover welded with said first shielding cover, wherein said first shielding cover is fixed in said housing by screws and is electrically grounded with said circuit board and wherein said second shielding cover is fixed to said housing by a clip structure,wherein said infrared light emitting means and said light receiving means are mounted between said shielding cover and said circuit board. 10. The distance detection induction device according to claim 1, characterized in that said housing is made of conducting material. 11. A precision positioning system for a distance detection induction device, the precision positioning system comprising: an infrared light emitting means;an emitting lens configured to focus and emit infrared light produced by the infrared light emitting means;a receiving lens configured to receive and focus infrared light emitted by the emitting lens and reflected by a target;a light receiving means including a distance detecting sensing module configured to receive the reflected and focused infrared light from the receiving lens, wherein the light receiving means is configured to produce an electrical signal in response to a position of the reflected and focused infrared light; anda connection part fixedly and directly connected with both the emitting lens and the receiving lens, the connection part positionally fixing the emitting lens and the receiving lens relative to each other;wherein the emitting lens, the receiving lens, and the connection part are formed as a single unitary component from an optically transmissive material, wherein the connection part includes at least one bend configured to prevent emitted infrared light from transmitting from the emitting lens to the receiving lens via the connection part. 12. The precision positioning system of claim 11, further comprising: a housing having a main body and two round openings in a top surface of the main body, wherein the emitting lens and the receiving lens are respectively aligned with the two round openings. 13. The precision positioning system of claim 12, further comprising: an emitting positioning bracket fixed to the housing and disposed between the infrared light emitting means and the emitting lens, the emitting positioning bracket including a holder configured to hold the infrared light emitting means. 14. The precision positioning system of claim 13, wherein the emitting positioning bracket further includes: a small hole for receiving the infrared light emitted by the infrared light emitting means,a large hole having a diameter approximately matching a diameter of the emitting lens, anda conical channel extending between the small hole and the large hole. 15. The precision positioning system of claim 13, wherein the emitting positioning bracket includes a positioning element configured to engage a corresponding positioning element disposed along an interior surface of the housing for positioning the emitting positioning bracket relative to the housing. 16. The precision positioning system of claim 13, further comprising: a receiving positioning bracket fixed to the housing and including a holder configured to hold the light receiving means,wherein fixing the emitting positioning bracket and the receiving positioning bracket to the housing fixes a position of the infrared light emitting means and the infrared light receiving means relative to each other. 17. The precision positioning system of claim 12, further comprising: a shielding cover configured to provide electromagnetic shielding for the infrared light emitting means and the light receiving means,wherein the infrared light emitting means and the light receiving means are disposed between the housing and the shielding cover. 18. The precision positioning system of claim 12, further comprising: a circuit board mounted inside the main body and electrically connected with the infrared light emitting means and the light receiving means, wherein the circuit board is configured to receive and process the electrical signal produced by the light receiving means. 19. The precision positioning system of claim 18, wherein the infrared light emitting means and the light receiving means are positioned on a first side of the circuit board and the emitting lens and receiving lens are positioned on a second side of the circuit board; wherein the circuit board includes a first hole and a second hole, both holes extending completely through the circuit board from the first side to the second side;wherein the infrared light emitted by the infrared light emitting means passes through the first hole before reaching the emitting lens and wherein the reflected infrared light focused by the receiving lens passes through the second hole before reaching the light receiving means. 20. The precision positioning system of claim 18, further comprising: a shielding cover configured to provide electromagnetic shielding for the infrared light emitting means and the light receiving means,wherein the infrared light emitting means and the light receiving means are disposed between the circuit board and the shielding cover.
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이 특허에 인용된 특허 (5)
Brewington, James Gabriel; Levine, James Lewis; Miller, Duane Scott; Schappert, Michael Alan, Active infrared presence sensor.
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