JPH02115124U - - Google Patents
Info
- Publication number
- JPH02115124U JPH02115124U JP2281789U JP2281789U JPH02115124U JP H02115124 U JPH02115124 U JP H02115124U JP 2281789 U JP2281789 U JP 2281789U JP 2281789 U JP2281789 U JP 2281789U JP H02115124 U JPH02115124 U JP H02115124U
- Authority
- JP
- Japan
- Prior art keywords
- flow rate
- transmitter
- rotor
- magnet
- magnetic 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.)
- Granted
Links
- 239000000835 fiber Substances 0.000 claims description 3
- 239000005300 metallic glass Substances 0.000 claims 2
- 230000005330 Barkhausen effect Effects 0.000 claims 1
- 238000007599 discharging Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
Description
第１図、２図は、本考案の流量発信器の構成を
示す図、第３，４，５，６図は、それぞれ本考案
の他の実施例を示す図、第７図は、本考案に適用
する磁気センサの構造図、第８図は、磁気センサ
の磁気特性、第９図は非円形歯車を用いた容積流
量計を示す図である。
Ａ……磁気センサ、１……アモルフアス繊維、
２……コイル、３……ケース、６……外筐、７，
８……回転子、１０……継鉄、９１，９２……発
信磁石、９３……環状磁石、９４……円形磁石。
1 and 2 are diagrams showing the configuration of the flow rate transmitter of the present invention, Figures 3, 4, 5, and 6 are diagrams showing other embodiments of the present invention, and Figure 7 is a diagram showing the configuration of the flow rate transmitter of the present invention. FIG. 8 shows the magnetic characteristics of the magnetic sensor, and FIG. 9 shows a positive displacement flowmeter using non-circular gears. A... Magnetic sensor, 1... Amorphous fiber,
2...Coil, 3...Case, 6...Outer casing, 7,
8... Rotor, 10... Yoke, 91, 92... Transmitting magnet, 93... Annular magnet, 94... Circular magnet.
Claims (1)
内に流量に比例して回転する非磁性体の回転子端
面に発信磁石を埋設し、該発信磁石に対向して配
設した磁気センサより前記回転子の回転に応じて
流量信号を発信する流量発信器であつて、前記磁
気センサををアモルフアス金属繊維と該アモルフ
アス金属繊維上に巻回したコイルとで構成し、流
量信号を該磁気センサのバルクハウゼン効果によ
りコイルに発生する電圧パルスとしたことを特徴
とする流量発信器。 ２ 発信器と磁気センサとの間に保磁力の小さい
棒状継鉄を配設したことを特徴とする請求項１記
載の流量発信器。 ３ 発信磁石を周上に複数の磁極を有する円環状
体とし、該円環状体を回転子と同心に回転子端面
と同一面に埋設したことを特徴とする請求項第１
項又は第２項記載の流量発信器。 ４ 磁気センサを複数とし、これらを発信磁石の
円軌跡と同一円周上に配設したことを特徴とする
請求項第１項乃至第３項のいずれか１項に記載の
流量発信器。[Claims for Utility Model Registration] 1. A transmitter magnet is embedded in the end face of a non-magnetic rotor that rotates in proportion to the flow rate in a flow chamber having a flow path for introducing and discharging the fluid to be measured, and the transmitter magnet is opposed to the transmitter magnet. A flow rate transmitter that transmits a flow rate signal in accordance with the rotation of the rotor from a magnetic sensor disposed in the rotor, the magnetic sensor comprising an amorphous metal fiber and a coil wound on the amorphous metal fiber. . A flow rate transmitter, characterized in that the flow rate signal is a voltage pulse generated in a coil by the Barkhausen effect of the magnetic sensor. 2. The flow rate transmitter according to claim 1, further comprising a bar-shaped yoke with a small coercive force disposed between the transmitter and the magnetic sensor. 3. Claim 1, characterized in that the transmitting magnet is an annular body having a plurality of magnetic poles on its circumference, and the annular body is buried concentrically with the rotor and flush with the end face of the rotor.
The flow rate transmitter according to item 1 or 2. 4. The flow rate transmitter according to any one of claims 1 to 3, characterized in that a plurality of magnetic sensors are arranged on the same circumference as the circular locus of the transmitting magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989022817U JPH0637291Y2 (en) | 1989-02-28 | 1989-02-28 | Flow transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989022817U JPH0637291Y2 (en) | 1989-02-28 | 1989-02-28 | Flow transmitter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02115124U true JPH02115124U (en) | 1990-09-14 |
| JPH0637291Y2 JPH0637291Y2 (en) | 1994-09-28 |
Family
ID=31241268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989022817U Expired - Lifetime JPH0637291Y2 (en) | 1989-02-28 | 1989-02-28 | Flow transmitter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0637291Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04110923U (en) * | 1991-03-15 | 1992-09-25 | 矢崎総業株式会社 | Non-circular gear type flowmeter |
| JP2007225536A (en) * | 2006-02-27 | 2007-09-06 | Nikkoshi Co Ltd | Device for detecting rotary motion |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5529058U (en) * | 1978-08-16 | 1980-02-25 | ||
| JPS56133513U (en) * | 1980-03-12 | 1981-10-09 | ||
| JPS59144529U (en) * | 1983-03-18 | 1984-09-27 | トキコ株式会社 | Flowmeter |
| JPS634972U (en) * | 1986-06-24 | 1988-01-13 |
-
1989
- 1989-02-28 JP JP1989022817U patent/JPH0637291Y2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5529058U (en) * | 1978-08-16 | 1980-02-25 | ||
| JPS56133513U (en) * | 1980-03-12 | 1981-10-09 | ||
| JPS59144529U (en) * | 1983-03-18 | 1984-09-27 | トキコ株式会社 | Flowmeter |
| JPS634972U (en) * | 1986-06-24 | 1988-01-13 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04110923U (en) * | 1991-03-15 | 1992-09-25 | 矢崎総業株式会社 | Non-circular gear type flowmeter |
| JP2007225536A (en) * | 2006-02-27 | 2007-09-06 | Nikkoshi Co Ltd | Device for detecting rotary motion |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0637291Y2 (en) | 1994-09-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4045738A (en) | Variable reluctance speed sensor of integral construction utilizing a shielded high coercive force rare earth magnet positioned directly adjacent the sensing rotating element | |
| EP0129232A3 (en) | Electromagnetic pulse transducer for flow meters | |
| JPH02115124U (en) | ||
| JPS5937695Y2 (en) | pulse generator | |
| JPH0195621U (en) | ||
| JPS6194769U (en) | ||
| JPS61187417U (en) | ||
| JPH01165422U (en) | ||
| JPH0272930U (en) | ||
| JPH03130512U (en) | ||
| JPH0376104U (en) | ||
| JPH027534U (en) | ||
| RU2505822C1 (en) | Rpm induction sensor | |
| JPS609722Y2 (en) | pick up sensor | |
| JPH0252971U (en) | ||
| JPH043356U (en) | ||
| JPS5768653A (en) | Ignition signal generator | |
| JPS61149822U (en) | ||
| JPH01121856U (en) | ||
| JPH01162639U (en) | ||
| JP2000206131A (en) | Electromagnetic sensor | |
| JPS61182850U (en) | ||
| JPH0424067U (en) | ||
| JPH01167663U (en) | ||
| JPS62182066U (en) |