JPS6151918U - - Google Patents
Info
- Publication number
- JPS6151918U JPS6151918U JP13613984U JP13613984U JPS6151918U JP S6151918 U JPS6151918 U JP S6151918U JP 13613984 U JP13613984 U JP 13613984U JP 13613984 U JP13613984 U JP 13613984U JP S6151918 U JPS6151918 U JP S6151918U
- Authority
- JP
- Japan
- Prior art keywords
- hall element
- negative pressure
- permanent magnet
- communicates
- circuit
- 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
- 239000012530 fluid Substances 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Description
第１図は従来の流体フイルタ用負圧検出器の回
路図、第２図は本考案の一実施例による流体フイ
ルタ用負圧検出器の構造図、第３図は本考案の一
実施例により流体フイルタ用負圧検出器の回路図
、第４図はホール素子の出力電圧特性図、第５図
は本考案の他の実施例を示す回路図である。
２２……警告ランプ（警告手段）、３０……ケ
ーシング、３８……ダイヤフラム、４０……負圧
室、４２……大気室、６０……永久磁石、６２…
…ホール素子、７０……発光ダイオード（警告手
段）、ＳＣＲ……サイリスタ。
Figure 1 is a circuit diagram of a conventional negative pressure detector for fluid filters, Figure 2 is a structural diagram of a negative pressure detector for fluid filters according to an embodiment of the present invention, and Figure 3 is a circuit diagram of a negative pressure detector for fluid filters according to an embodiment of the present invention. FIG. 4 is a circuit diagram of a negative pressure detector for a fluid filter, FIG. 4 is an output voltage characteristic diagram of a Hall element, and FIG. 5 is a circuit diagram showing another embodiment of the present invention. 22...Warning lamp (warning means), 30...Casing, 38...Diaphragm, 40...Negative pressure chamber, 42...Atmospheric chamber, 60...Permanent magnet, 62...
...Hall element, 70...Light emitting diode (warning means), SCR...Thyristor.
Claims (1)
イルタの負圧側に連通される負圧室と、大気に連
通する大気室とに区画するダイヤフラムと、この
ダイヤフラムに取付けられ、上記負圧室の負圧を
受けて撓むダイヤフラムに伴つて変位する永久磁
石と、この永久磁石の移動方向に対向して前記ケ
ーシング側に取付けられたホール素子と、前記永
久磁石とホール素子間の間隔変化で該ホール素子
に発生する電圧変化を検出する回路と、この回路
で検出されたホール素子の電圧変化を感知して作
動し警告を発する警告手段とを備えたことを特徴
とする流体フイルタ用負圧検出器。 a diaphragm that partitions the inside of the casing into a negative pressure chamber that communicates with the negative pressure side of the fluid filter and an atmospheric chamber that communicates with the atmosphere; a permanent magnet that is displaced as the diaphragm bends; a Hall element mounted on the casing side facing the direction of movement of the permanent magnet; and a change in the distance between the permanent magnet and the Hall element that occurs in the Hall element. 1. A negative pressure detector for a fluid filter, comprising: a circuit for detecting a voltage change in a Hall element; and a warning means for sensing a voltage change of a Hall element detected by the circuit and operating to issue a warning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13613984U JPH0215533Y2 (en) | 1984-09-10 | 1984-09-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13613984U JPH0215533Y2 (en) | 1984-09-10 | 1984-09-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6151918U true JPS6151918U (en) | 1986-04-08 |
| JPH0215533Y2 JPH0215533Y2 (en) | 1990-04-26 |
Family
ID=30694609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13613984U Expired JPH0215533Y2 (en) | 1984-09-10 | 1984-09-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0215533Y2 (en) |
-
1984
- 1984-09-10 JP JP13613984U patent/JPH0215533Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0215533Y2 (en) | 1990-04-26 |
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