JPS5851278U - Moving object detection device - Google Patents
Moving object detection deviceInfo
- Publication number
- JPS5851278U JPS5851278U JP14621481U JP14621481U JPS5851278U JP S5851278 U JPS5851278 U JP S5851278U JP 14621481 U JP14621481 U JP 14621481U JP 14621481 U JP14621481 U JP 14621481U JP S5851278 U JPS5851278 U JP S5851278U
- Authority
- JP
- Japan
- Prior art keywords
- capacitor
- moving object
- comparison
- detection device
- power supply
- 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.)
- Granted
Links
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
′第１図は従来の移動物体検出装置の一例を示す回路構
成図、第２′図〜第４図は本考案に係る移動物体検出装
置の一実施例を示すもので、第２図は検出基本回路図、
第３図は出力特性図、第４図は全体の回路構成図である
。
１Ｂ・・・・・・検出板、１０・・・・・・検出部、１
１・・・・・田−パスフィルタ、１２・・・・・・直流
増幅器、１４・・・・・・比較回路、ｃｏ・・・・・・
出力用コンシンサ、Ｃ亡・・・・比較用コンデンサ、Ｃ
２・・・・・・検出用コンデンサ、■１・・・・・・交
流電源、Ｄ□〜Ｄ４・・・・・・ダイオード、１□及び
１□ ゛・・・・・・同軸ケーブル。 −
第２図'Figure 1 is a circuit configuration diagram showing an example of a conventional moving object detection device, Figures 2' to 4 show an embodiment of the moving object detection device according to the present invention, and Figure 2 is a circuit diagram showing an example of a conventional moving object detection device. Basic circuit diagram,
FIG. 3 is an output characteristic diagram, and FIG. 4 is an overall circuit configuration diagram. 1B...detection plate, 10...detection section, 1
1..-pass filter, 12..DC amplifier, 14..comparison circuit, co..
Output capacitor, C... Comparison capacitor, C
2...Detection capacitor, ■1...AC power supply, D□~D4...Diode, 1□ and 1□゛...Coaxial cable. - Figure 2
Claims (3)
向きに充電される出力用コンデンサ、前記電源の一方の
極性のときの前記出力用コンデンサの充電路に挿入され
た比較用コンデンサ、この比較用コンデンサと直列にな
るよう同じ充電路に挿入された比較側のダイオード、前
記電源の他方の極性のときの前記出力用コンデンサの充
電路に挿入された、移動物の接近に伴って静電容量が変
化する検出用コンデンサ、この検出用コンデンサと直列
になるよう同じ充電路に挿入された検出側のダイオード
を含むコンデンサ充電回路と、前記出力用コンデンサの
端子間電圧を抽出するローパスフィルタと、このフィル
タにより抽出した直流電圧信号を増幅する増幅器と、こ
の増幅器の出力を基準値と比較して移動物の所定位置へ
の接近の有無を判別する比較回路とを備えてなる移動物
体検出装置。(1) an alternating current power supply, an output capacitor that is alternately charged in opposite directions according to changes in the polarity of the power supply, and a comparison capacitor inserted in the charging path of the output capacitor when the power supply has one polarity; A comparison diode inserted in the same charging path in series with this comparison capacitor, and a comparison diode inserted in the charging path of the output capacitor when the other polarity of the power source is connected to the power supply, and a A capacitor charging circuit including a detection capacitor whose capacitance changes, a detection side diode inserted in the same charging path in series with the detection capacitor, and a low-pass filter that extracts the voltage between the terminals of the output capacitor. A moving object detection device comprising: an amplifier that amplifies the DC voltage signal extracted by this filter; and a comparison circuit that compares the output of this amplifier with a reference value to determine whether the moving object approaches a predetermined position. .
請求の範囲第１項記載の移動物体検出装置。(2) The moving object detection device according to claim 1, which uses a high frequency power source as an AC power source.
要素とする逆り形回路を用いた実用新案登録請求の範囲
第２項記載の移動物体検出装置。(3) The moving object detection device according to claim 2, which uses an inverted circuit including a resistor and a capacitor as a low-pass filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14621481U JPS6033412Y2 (en) | 1981-10-01 | 1981-10-01 | Moving object detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14621481U JPS6033412Y2 (en) | 1981-10-01 | 1981-10-01 | Moving object detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5851278U true JPS5851278U (en) | 1983-04-07 |
| JPS6033412Y2 JPS6033412Y2 (en) | 1985-10-04 |
Family
ID=29939128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14621481U Expired JPS6033412Y2 (en) | 1981-10-01 | 1981-10-01 | Moving object detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6033412Y2 (en) |
-
1981
- 1981-10-01 JP JP14621481U patent/JPS6033412Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6033412Y2 (en) | 1985-10-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5851278U (en) | Moving object detection device | |
| JPS5857774U (en) | Moving object detection device | |
| JPS581168U (en) | Non-contact voltage detector | |
| JPS59104083U (en) | voltage detector | |
| JPS59195942U (en) | Grounding detection circuit for variable AC voltage power supply equipment | |
| JPS6027515U (en) | Avalanche photodiode bias circuit | |
| JPS6082275U (en) | power detection circuit | |
| JPS5888167U (en) | frequency detection circuit | |
| JPS6015663U (en) | Rotation speed detection circuit | |
| JPS58138413U (en) | Voltage/current control circuit | |
| JPS59128572U (en) | AC/DC voltage detection circuit | |
| JPS60109297U (en) | Load detection circuit for electromagnetic cooking equipment | |
| JPS60169800U (en) | Sample/hold circuit | |
| JPS58128574U (en) | Battery abnormality detection device | |
| JPS60174844U (en) | load detection device | |
| JPS6144937U (en) | signal generation circuit | |
| JPS5863890U (en) | high frequency power inverter | |
| JPS59183609U (en) | Capacitance voltage conversion circuit | |
| JPS5810117U (en) | Stabilized power supply failure detection circuit | |
| JPS60106170U (en) | Relative permittivity change detection device | |
| JPS58175415U (en) | sensor circuit | |
| JPS58116669U (en) | Impedance change detection circuit | |
| JPS5819275U (en) | battery voltage display device | |
| JPS60127509U (en) | capacitive converter | |
| JPS59131254U (en) | Spark discharge detection device |