JPS6432015U - - Google Patents
Info
- Publication number
- JPS6432015U JPS6432015U JP12631187U JP12631187U JPS6432015U JP S6432015 U JPS6432015 U JP S6432015U JP 12631187 U JP12631187 U JP 12631187U JP 12631187 U JP12631187 U JP 12631187U JP S6432015 U JPS6432015 U JP S6432015U
- Authority
- JP
- Japan
- Prior art keywords
- electrodes
- fertilization
- sensor
- fertilizer
- clogging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000004720 fertilization Effects 0.000 claims description 3
- 239000003337 fertilizer Substances 0.000 claims 2
- 240000007594 Oryza sativa Species 0.000 claims 1
- 235000007164 Oryza sativa Nutrition 0.000 claims 1
- 230000007423 decrease Effects 0.000 claims 1
- 235000009566 rice Nutrition 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Fertilizing (AREA)
Description
図面はこの考案の一実施例を示し、第１図は作
溝器の正面図、第２図は同断面図、第３図は施肥
センサの回路図、第４図イ，ロ，ハ，ニは作用説
明図、第５図及び第６図は従来の説明図である。
１……作溝器、２……電極、６……発振回路、
８……電圧比較器。
The drawings show one embodiment of this invention, and Fig. 1 is a front view of the groove creator, Fig. 2 is a sectional view of the same, Fig. 3 is a circuit diagram of the fertilization sensor, and Fig. 4 is a, b, c, and n. is an explanatory diagram of the operation, and FIGS. 5 and 6 are explanatory diagrams of the conventional method. 1... Grooving device, 2... Electrode, 6... Oscillation circuit,
8...Voltage comparator.
Claims (1)
極を設け、かつこれら電極間の抵抗が目詰りした
肥料により低下するのを検出することにより肥料
の目詰りを検出する施肥センサにおいて、上記電
極へ間欠的に電圧を印加する間欠制御により電極
への通電時間を制御してなる施肥センサ。 In a fertilization sensor that detects clogging of fertilizer by installing a pair of electrodes in a trencher attached to the main body of a rice transplanter and detecting that the resistance between these electrodes decreases due to clogging of fertilizer, the above-mentioned A fertilization sensor that controls the energization time to the electrodes through intermittent control that applies voltage to the electrodes intermittently.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12631187U JPS6432015U (en) | 1987-08-21 | 1987-08-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12631187U JPS6432015U (en) | 1987-08-21 | 1987-08-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6432015U true JPS6432015U (en) | 1989-02-28 |
Family
ID=31377723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12631187U Pending JPS6432015U (en) | 1987-08-21 | 1987-08-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6432015U (en) |
-
1987
- 1987-08-21 JP JP12631187U patent/JPS6432015U/ja active Pending
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