IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0809876
(2017-11-10)
|
등록번호 |
US-10054538
(2018-08-21)
|
발명자
/ 주소 |
- Lin, Tseng-Lung
- Yu, Shao-Yun
- Huang, Yu-Chien
|
출원인 / 주소 |
|
대리인 / 주소 |
Li & Cai Intellectual Property (USA) Office
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
3 |
초록
▼
The instant disclosure provides a gas detection device including a chamber module, a light emitting module and an optical sensing module. The chamber module includes a condensing chamber, a receiving chamber and a sampling chamber. The condensing chamber has a first reflecting structure, a second re
The instant disclosure provides a gas detection device including a chamber module, a light emitting module and an optical sensing module. The chamber module includes a condensing chamber, a receiving chamber and a sampling chamber. The condensing chamber has a first reflecting structure, a second reflecting structure and a third reflecting structure. The first reflecting structure is disposed between the second reflecting structure and the third reflecting structure. The light emitting module is disposed on the condensing chamber and includes a light emitting unit corresponding to the condensing chamber. The optical sensing module includes an optical sensing unit disposed in the receiving chamber.
대표청구항
▼
1. A gas detection device, comprising: a chamber module including a condensing chamber, a receiving chamber and a sampling chamber connected between the condensing chamber and the receiving chamber, wherein the condensing chamber has a first reflecting structure and a second reflecting structure con
1. A gas detection device, comprising: a chamber module including a condensing chamber, a receiving chamber and a sampling chamber connected between the condensing chamber and the receiving chamber, wherein the condensing chamber has a first reflecting structure and a second reflecting structure connected to the first reflecting structure, wherein the sampling chamber includes a first sampling chamber connected to the condensing chamber, a second sampling chamber connected to the receiving chamber and a turning portion connected between the first sampling chamber and the second sampling chamber, wherein the turning portion has a reflecting surface thereon;a light emitting module disposed on the condensing chamber and including a light emitting unit, wherein the light emitting unit corresponds to the condensing chamber; andan optical sensing module including an optical sensing unit disposed in the receiving chamber. 2. The gas detection device according to claim 1, wherein a curvature of the first reflecting structure and a curvature of the second reflecting structure are different from each other. 3. The gas detection device according to claim 1, wherein the first reflecting structure has a first focus point and a second focus point corresponding to the first focus point, and the second reflecting structure has a central point, the first focus point and the central point being disposed corresponding to each other. 4. The gas detection device according to claim 1, wherein the light emitting unit corresponds to the first focus point and the central point. 5. The gas detection device according to claim 4, wherein the light emitting unit is disposed on the first focus point and the central point. 6. The gas detection device according to claim 1, wherein the first reflecting structure has an elliptical curved surface, the second reflecting structure has a circular curved surface, and the light emitting device is disposed on the first focus point and the central point. 7. The gas detection device according to claim 1, wherein the reflecting surface has a parabolic curvature. 8. The gas detection device according to claim 1, wherein the first sampling chamber has a first axis, the second sampling chamber has a second axis, and the first axis and the second axis are parallel to each other. 9. The gas detection device according to claim 1 wherein the first sampling chamber, the second sampling chamber and the turning portion are arranged in U-shape. 10. The gas detection device according to claim 1, wherein a light beam generated by the light emitting module includes a first projecting light beam projected onto the first reflecting structure and a second projecting light beam projected onto the second reflecting structure, wherein the first projecting light beam is reflected by the first reflecting structure for forming a first reflecting light beam projected onto the second focus point, the first reflecting being reflected by the reflecting surface for forming a first receiving light beam projected onto the optical sensing unit and received by the optical sensing unit, wherein the second projecting light beam is reflected by the second reflecting structure for forming a second reflecting light beam projected onto the first reflecting structure, the second reflecting light beam being reflected by the first reflecting structure for forming a third reflecting light beam projected onto the second focus point, the third reflecting light beam being reflected by the reflecting surface for forming a second receiving light beam projected onto the optical sensing unit and received by the optical sensing unit. 11. The gas detection device according to claim 1, wherein the second sampling chamber includes a first opening, a second opening corresponding to the first opening, a first surface and a second surface corresponding to the first surface, the first opening being connected to the turning portion, the second opening being connected to the receiving chamber, the first surface and the second surface of the first opening having a first predetermined distance therebetween, the first surface and the second surface of the first opening having a second predetermined distance therebetween, the second predetermined distance being larger than the first predetermined distance. 12. The gas detection device according to claim 11, wherein the chamber module further includes a light guiding portion disposed between the second sampling chamber and the receiving chamber, the second surface adjacent to the second opening and the optical sensing unit having a predetermined height therebetween, the predetermined height and the second predetermined distance complying with complying with the following equation: (0.8*L2)≤H≤(3*L2), wherein H is the predetermined height and L2 is the second predetermined distance. 13. The gas detection device according to claim 1, wherein the chamber module further includes a guiding portion disposed between the second sampling chamber and the receiving chamber, the light guiding portion having a light guiding surface, the light guiding surface inclining a predetermined angle ranging from 30 to 60 degrees relative to a horizontal axis. 14. The gas detection device according to claim 1, wherein the chamber module further includes a light guiding portion disposed between the second sampling chamber and the receiving chamber and an open slot, the open slot being connected between the light guiding portion and the receiving chamber, the second sampling chamber having a first surface and a second surface, the open slot having a predetermined width, the second surface of the second sampling chamber and the optical sensing unit having a predetermined height therebetween, the predetermined width and the predetermined height complying with the following equation: (0.8*W)≤H≤(3*W), wherein H is the predetermined height and W is the predetermined width. 15. The gas detection device according to claim 1, wherein the light emitting module is an infrared light emitter and the optical sensing module is an infrared light sensor. 16. The gas detection device according to claim 1, wherein the condensing chamber further has a third reflecting structure connected to the first reflecting structure, the first reflecting structure being disposed between the second reflecting structure and the third reflecting structure. 17. The gas detection device according to claim 16, wherein the third reflecting structure has a parabolic curved surface. 18. The gas detection device according to claim 16, wherein a light beam generated by the light emitting module includes a first projecting light beam projected onto the first reflecting structure, a second projecting light beam projected onto the second reflecting structure and a third projecting light beam projected onto the third reflecting structure, wherein the first projecting light beam is reflected by the first reflecting structure for forming a first reflecting light beam projected onto the second focus point, the first reflecting light beam being reflected by the reflecting surface for forming a first receiving light beam projected onto the optical sensing unit and received by the optical sensing unit, wherein the second projecting light beam is reflected by the second reflecting structure for forming a second reflecting light beam projected onto the first reflecting structure, the second reflecting light beam being reflected by the first reflecting structure for forming a third reflecting light beam projected onto the second focus point, the third reflecting light beam being reflected by the reflecting surface for forming a second receiving light beam projected onto the optical sensing unit and received by the optical sensing unit, wherein the third projecting light beam is reflected by the third reflecting structure for forming a fourth reflecting light beam projected onto the reflecting surface, the fourth reflecting light beam being reflected by the reflecting surface for forming a third receiving light beam projected onto the optical sensing unit and received by the optical sensing unit.
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