JPS621533U - - Google Patents
Info
- Publication number
- JPS621533U JPS621533U JP9410585U JP9410585U JPS621533U JP S621533 U JPS621533 U JP S621533U JP 9410585 U JP9410585 U JP 9410585U JP 9410585 U JP9410585 U JP 9410585U JP S621533 U JPS621533 U JP S621533U
- Authority
- JP
- Japan
- Prior art keywords
- ground
- transmitter
- vibrator
- receiver
- height sensor
- 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
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Lifting Devices For Agricultural Implements (AREA)
- Harvester Elements (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- Control Of Position Or Direction (AREA)
Description
図面は本考案の実施例を示し、第１図は本考案
の一実施対象である収穫機の模式的斜視図、第２
図はその略示側面図、第３図は本案装置の取付け
状態を示すための収穫機の刈取部の要部斜視図、
第４図はその平面図、第５図はセンサ及び制御系
の構成を示すブロツク図である。
７…刈取部、９…油圧シリンダ、１０…超音波
センサ、１０…発信器、１２…受信器、１３…高
周波振動子、２１ｒ，２１ｌ…センサアーム、２
８…電磁弁、５０…電磁リレ、６０…論理回路、
６６…掃引発振器、Ｓｕ，Ｓｄ…ソレノイド。
The drawings show an embodiment of the present invention, and FIG. 1 is a schematic perspective view of a harvester that is an embodiment of the present invention, and FIG.
The figure is a schematic side view, and Figure 3 is a perspective view of the main parts of the reaping section of the harvester to show how the proposed device is installed.
FIG. 4 is a plan view thereof, and FIG. 5 is a block diagram showing the configuration of the sensor and control system. 7... Reaping part, 9... Hydraulic cylinder, 10... Ultrasonic sensor, 10... Transmitter, 12... Receiver, 13... High frequency vibrator, 21r, 21l... Sensor arm, 2
8... Solenoid valve, 50... Solenoid relay, 60... Logic circuit,
66...Sweep oscillator, Su, Sd...Solenoid.
Claims (1)
その地表面での反射波を受信器にて受信して対地
作業部材の対地高さを検出すべくなした作業機の
対地高さセンサにおいて、 前記発・受信器に近接して振動子を配設し、前
記発・受信器を振動させるべく、前記振動子を発
振させるべくなしたことを特徴とする作業機の対
地高さセンサ。 ２ 前記振動子は、前記発信器から発振される超
音波よりも高周波数にて発振される実用新案登録
請求の範囲第１項記載の作業機の対地高さセンサ
。 ３ 前記振動子は、その発振周波数を変更しつつ
発振される実用新案登録請求の範囲第１項記載の
作業機の対地高さセンサ。[Scope of claim for utility model registration] 1. Transmitting ultrasonic waves from a transmitter toward the ground surface,
In a ground height sensor for a working machine that detects the height above the ground of a ground work member by receiving the reflected wave on the ground surface with a receiver, a vibrator is disposed close to the transmitter/receiver. A ground height sensor for a working machine, characterized in that the sensor is configured to oscillate the vibrator in order to vibrate the transmitter/receiver. 2. The ground height sensor for a work machine according to claim 1, wherein the vibrator oscillates at a higher frequency than the ultrasonic waves oscillated from the transmitter. 3. The ground height sensor for a working machine according to claim 1, wherein the vibrator oscillates while changing its oscillation frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9410585U JPS621533U (en) | 1985-06-20 | 1985-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9410585U JPS621533U (en) | 1985-06-20 | 1985-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS621533U true JPS621533U (en) | 1987-01-07 |
Family
ID=30652372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9410585U Pending JPS621533U (en) | 1985-06-20 | 1985-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS621533U (en) |
-
1985
- 1985-06-20 JP JP9410585U patent/JPS621533U/ja active Pending
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