CN215222982U - Seed dropping pipe for precision seeding detection of large, medium and small-sized seeds - Google Patents
Seed dropping pipe for precision seeding detection of large, medium and small-sized seeds Download PDFInfo
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- CN215222982U CN215222982U CN202120994946.XU CN202120994946U CN215222982U CN 215222982 U CN215222982 U CN 215222982U CN 202120994946 U CN202120994946 U CN 202120994946U CN 215222982 U CN215222982 U CN 215222982U
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Abstract
A seed dropping pipe is detected by the precision seeding of large, medium and small-sized seeds, belonging to agricultural machinery; the opposite side walls of the seed falling body are respectively provided with a transmitting diode base and a receiving diode base, an upper layer and a lower layer of the transmitting diode base are parallel to each other and are overlapped in a vertically staggered manner, N infrared beam output through holes are arranged on the transmitting diode base, N surface-mounted infrared transmitting diodes are respectively arranged on the N infrared beam output through holes, N infrared beam input through holes are arranged on the upper layer and the lower layer of the receiving diode base, are parallel to each other and are overlapped in a vertically staggered manner, N surface-mounted infrared receiving diodes are respectively arranged on the N infrared beam input through holes, and the N infrared beam input through holes are sequentially and respectively coaxially arranged with the corresponding N infrared beam output through holes; the pipe avoids infrared beam refraction, eliminates detection blind areas, realizes accurate detection of large, medium and small-sized seeds, and has the advantages of reasonable and simple structure, high detection precision, strong applicability and reliable use.
Description
Technical Field
The utility model belongs to agricultural machine mainly relates to a seed falling pipe suitable for smart volume seeding of small-sized seed detects in big-and-middle-sized.
Background
With the improvement of the scientific and technological level of agricultural mechanized operation in China, the precision seeding technology is mature day by day, and precision seeding operation machines are widely applied to agricultural production. The precision seeding detection device is one of important parts for ensuring precision seeding. At present, a precision seeding detection device is mostly composed of a photoelectric sensor and a seed dropping pipe, and the device is widely applied to production due to simple structure and low manufacturing cost. However, in production and use practices, the detection device with the structure can be used for detecting large-particle-size seeds only, and is difficult to finish and realize the detection of small-particle-size seeds, so that the applicability is poor.
Disclosure of Invention
The utility model discloses an aim at exactly to the problem that above-mentioned prior art exists, combine the smart volume seeding to detect the actual need that uses, design the smart volume seeding of big-middle-sized small-sized grain seed of a new construction and detect the seed falling pipe, reach the purpose that the adaptation seed ability is strong, application scope is wide, detection precision is high.
The utility model discloses a basic design is: the opposite side walls of the seed falling tube body are respectively and correspondingly provided with a transmitting diode seat and a receiving diode seat, the upper layer and the lower layer of the transmitting diode seat are mutually parallel and are overlapped in a staggered way up and down to be provided with N infrared beam output through holes, N SLLT2606N patch type infrared transmitting diodes are respectively arranged on N infrared beam output through holes, the upper layer and the lower layer of the receiving diode seat are mutually parallel and are overlapped in a staggered way up and down to be provided with N infrared beam input through holes with the same number as the infrared beam output through holes, the N infrared beam input through holes are communicated with the seed falling tube cavity, N SLPT260 2608E patch type infrared receiving diodes are respectively arranged on the N infrared beam input through holes, and the N infrared beam input through holes are sequentially arranged coaxially with the corresponding N infrared beam output through holes respectively, and a light-transmitting film A and a light-transmitting film B are respectively and hermetically mounted on the inner side wall surfaces of the emitting diode seat and the receiving diode seat, so that the seed drop detection device for the precision seeding of large, medium and small-sized seeds is formed.
The utility model discloses an infrared many beams of light send and infrared many beams of light receive to utilize many beams of light to fall the technical scheme of kind of the pipe cavity of falling kind of channel cross-section full coverage, not only avoided infrared beam's refraction, eliminated the detection blind area moreover, realized the accurate detection to big, well, the quick whereabouts of small-size seed, have novel structure, unique, reasonable, simple, detect the precision high, of high quality, use reliable, be suitable for the characteristics that the seed ability is strong.
Drawings
FIG. 1 is a schematic diagram of a seed dropping structure for precision seeding detection of large, medium and small-sized seeds;
fig. 2 is a sectional view taken along line a-a of fig. 1.
Description of part numbers in the figures:
1. the LED chip comprises a seed dropping tube body, a seed dropping tube body 2, an emitting diode tube seat 3, an SLLT2606N chip infrared emitting diode 4, an infrared beam output through hole 5, light-transmitting films A and 6, light-transmitting films B and 7, an SLPT2608E chip infrared receiving diode 8, an infrared beam input through hole 9 and a receiving diode tube seat.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the accompanying drawings. A seed dropping tube for precision seeding detection of large, medium and small-sized seeds comprises a seed dropping tube body 1, a transmitting diode seat 2 and a receiving diode seat 9 are respectively and correspondingly installed on the opposite side walls of the seed dropping tube body 1, N infrared beam output through holes 4 are arranged on the transmitting diode seat 2 in an upper layer and a lower layer which are parallel to each other and are overlapped in a vertically staggered manner, the N infrared beam output through holes 4 are communicated with the tube cavity of the seed dropping tube body 1, N SLLT2606N patch type infrared transmitting diodes 3 are respectively installed on the N infrared beam output through holes 4, N infrared beam input through holes 8 with the number equal to that of the infrared beam output through holes 4 are arranged on the receiving diode seat 9 in an upper layer and a lower layer which are parallel to each other and are overlapped in a vertically staggered manner, the N infrared beam input through holes 8 are communicated with the tube cavity of the seed dropping tube body 1, and N SLPT2608E patch type infrared receiving diodes 7 are respectively installed on the N infrared beam input through holes 8, the N infrared light beam input through holes 8 are respectively coaxially arranged with the corresponding N infrared light beam output through holes 4 in sequence, and a light-transmitting film A5 and a light-transmitting film B6 are respectively and hermetically arranged on the inner side wall surfaces of the emitting diode seat 2 and the receiving diode seat 9.
When the detection seed dropping operation is used, infrared beams emitted by the SLLT2606N patch type infrared emitting diode 3 enter N infrared beam input through holes 8 on a receiving diode base 9 after passing through the cross section of a seed dropping pipe body 1 tube cavity which is fully covered by N infrared beam output through holes 4 on the emitting diode base 2, infrared beam signals of the infrared beams are received by the SLPT2608E patch type infrared receiving diode 7, and seeds dropping in the tube cavity of the seed dropping pipe body 1 are accurately detected by all the infrared beams without blind areas and omission. The light source diameter of the SLLT2606N patch type infrared emitting diode 3 is 1.6 mm. The light-transmitting film A5 and the light-transmitting film B6 can prevent dust or seed particles from entering the infrared beam output through hole 4 and the infrared beam input through hole 8, and smooth transmission of the infrared beams is ensured. The infrared beam output through hole 4 and the infrared beam input through hole 8 can avoid and eliminate refraction of the infrared beam and existence of a detection blind area.
Claims (1)
1. The utility model provides a small-size seed precision seeding detects seed falling pipe in big-middle, including a kind body (1), its characterized in that: the seed falling tube body (1) is provided with a transmitting diode seat (2) and a receiving diode seat (9) on opposite side walls respectively, the transmitting diode seat (2) is provided with an upper layer and a lower layer which are parallel to each other and are overlapped in a vertically staggered manner, N infrared beam output through holes (4) are communicated with a tube cavity of the seed falling tube body (1), N SLLT2606N surface mount type infrared transmitting diodes (3) are respectively arranged on the N infrared beam output through holes (4), the receiving diode seat (9) is provided with N infrared beam input through holes (8) which are parallel to each other, are overlapped in a vertically staggered manner and are equal to the infrared beam output through holes (4), the N infrared beam input through holes (8) are communicated with the tube cavity of the seed falling tube body (1), and N SLPT2608E surface mount type infrared receiving diodes (7) are respectively arranged on the N infrared beam input through holes (8), the N infrared light beam input through holes (8) are sequentially and respectively coaxially arranged with the corresponding N infrared light beam output through holes (4), and a light-transmitting film A (5) and a light-transmitting film B (6) are respectively and hermetically arranged on the inner side wall surfaces of the emitting diode seat (2) and the receiving diode seat (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120994946.XU CN215222982U (en) | 2021-05-06 | 2021-05-06 | Seed dropping pipe for precision seeding detection of large, medium and small-sized seeds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120994946.XU CN215222982U (en) | 2021-05-06 | 2021-05-06 | Seed dropping pipe for precision seeding detection of large, medium and small-sized seeds |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215222982U true CN215222982U (en) | 2021-12-21 |
Family
ID=79455429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120994946.XU Active CN215222982U (en) | 2021-05-06 | 2021-05-06 | Seed dropping pipe for precision seeding detection of large, medium and small-sized seeds |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215222982U (en) |
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2021
- 2021-05-06 CN CN202120994946.XU patent/CN215222982U/en active Active
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