JPS63199028U - - Google Patents
Info
- Publication number
- JPS63199028U JPS63199028U JP9090987U JP9090987U JPS63199028U JP S63199028 U JPS63199028 U JP S63199028U JP 9090987 U JP9090987 U JP 9090987U JP 9090987 U JP9090987 U JP 9090987U JP S63199028 U JPS63199028 U JP S63199028U
- Authority
- JP
- Japan
- Prior art keywords
- circular gear
- magnet
- reflective surface
- flowmeter according
- type flowmeter
- 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
- 238000001514 detection method Methods 0.000 claims 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
Description
第１図は本考案の一実施例である非円形歯車式
流量計を示す縦断面図、第２図は磁石を示す斜視
図、第３図は第２図の―線に沿う拡大部分断
面図、第４図は第１図の―線に沿う平面断面
図、第５図は反射面部および非反射面部の周幅の
設定方法の一実施例を説明するための拡大部分平
面図、第６図は等流量説明図、第７図は等角度説
明図、第８図はパルス波形図である。
１……ギヤハウジング、２……作動室、３……
入口通路、４……出口通路、５……インレツトパ
イプ、６……アウトレツトパイプ、７……非円形
歯車、８……支軸、９……円形穴、９ａ……位置
決め凹部、１０……環状溝、１１……Ｏリング、
１２……ケース、１３……ボルト、１４……凹所
、１５……透明部材、１６……接着剤、１７，１
８……透孔、１９……発光素子、２０……受光素
子、２１……入出力装置、２２……反射板、２３
……磁石、２３ａ……位置決め凸部、２４……凹
部、２５……凸部、２６……穴、２７……固定用
磁石、Ａ１〜Ａ８……反射面部、ａ１〜ａ８……
周方向幅、Ｂ１〜Ｂ８……非反射面部、ｂ１〜ｂ
８……周方向幅、θ……非円形歯車の回転角、Ｑ
……非円形歯車の吐出流量、Ｗ……パルス幅。
Fig. 1 is a longitudinal sectional view showing a non-circular gear type flowmeter which is an embodiment of the present invention, Fig. 2 is a perspective view showing a magnet, and Fig. 3 is an enlarged partial sectional view taken along the - line in Fig. 2. , FIG. 4 is a plan sectional view taken along the line - in FIG. 1, FIG. 5 is an enlarged partial plan view for explaining an example of a method for setting the circumferential width of the reflective surface portion and the non-reflective surface portion, and FIG. 7 is an illustration of equal flow rates, FIG. 7 is an illustration of equal angles, and FIG. 8 is a pulse waveform diagram. 1... Gear housing, 2... Working chamber, 3...
Inlet passage, 4... Outlet passage, 5... Inlet pipe, 6... Outlet pipe, 7... Non-circular gear, 8... Support shaft, 9... Circular hole, 9a... Positioning recess, 10... ...Annular groove, 11...O ring,
12... Case, 13... Bolt, 14... Recess, 15... Transparent member, 16... Adhesive, 17,1
8... Through hole, 19... Light emitting element, 20... Light receiving element, 21... Input/output device, 22... Reflection plate, 23
...Magnet, 23a...Positioning convex portion, 24...Concave portion, 25...Convex portion, 26...Hole, 27...Fixing magnet, A1 to A8 ...Reflecting surface portion, a1 to a8 ... …
Circumferential width, B 1 to B 8 ... Non-reflective surface portion, b 1 to b
8 ... Circumferential width, θ... Rotation angle of non-circular gear, Q
...Discharge flow rate of non-circular gear, W...Pulse width.
Claims (1)
射面部と非反射面部とが周方向に交互に配設され
ているとともに、作動室外に発光素子および受光
素子が前記反射面部に臨むように設けられており
、非円形歯車の回転角を受光素子の検出信号で測
定することによつて回転角に比例する流量を計測
するように構成されている非円形歯車式流量計に
おいて、前記反射面部が磁性板により作製されて
おり、前記非円形歯車に磁石が埋設されていると
ともに、この磁石により前記反射面部が磁気的に
位置決めされていることを特徴とする非円形歯車
式流量計。 (2) 磁石が、非円形歯車の一端面に埋設されて
いるとともに、磁石の表面に凹凸が形成されてお
り、この凹部に磁性板から成る反射面部が収容さ
れて磁着されていることを特徴とする実用新案登
録請求の範囲第１項記載の非円形歯車式流量計。 (3) 反射面部が、磁石の凹部に１個宛収容され
ていることを特徴とする実用新案登録請求の範囲
第２項記載の非円形歯車式流量計。 (4) 反射面部が、磁石の凹部に複数収容されて
いることを特徴とする実用新案登録請求の範囲第
２項記載の非円形歯車式流量計。 (5) 磁石が、非円形歯車との間において凹凸部
により位置決めされていることを特徴とする実用
新案登録請求の範囲第１項記載の非円形歯車式流
量計。 (6) 磁石が、反射面部間の表面に反射率低下手
段を施されていることを特徴とする実用新案登録
請求の範囲第１項記載の非円形歯車式流量計。[Claims for Utility Model Registration] (1) A plurality of reflective surface parts and non-reflective surface parts are arranged alternately in the circumferential direction on a non-circular gear installed in a flow path, and a light emitting element and A light-receiving element is provided so as to face the reflective surface portion, and the non-circular gear is configured to measure a flow rate proportional to the rotation angle by measuring the rotation angle of the non-circular gear using a detection signal of the light-receiving element. The circular gear type flowmeter is characterized in that the reflective surface portion is made of a magnetic plate, a magnet is embedded in the non-circular gear, and the reflective surface portion is magnetically positioned by the magnet. Non-circular gear type flowmeter. (2) The magnet is embedded in one end face of the non-circular gear, and the surface of the magnet has irregularities, and the reflective surface made of a magnetic plate is housed in the recess and is magnetically attached. A non-circular gear type flowmeter according to claim 1 of the patented utility model. (3) The non-circular gear type flowmeter according to claim 2, wherein one reflective surface portion is housed in a recessed portion of the magnet. (4) The non-circular gear flowmeter according to claim 2, wherein a plurality of reflective surface portions are accommodated in the recesses of the magnet. (5) The non-circular gear flowmeter according to claim 1, wherein the magnet is positioned between the non-circular gear and the non-circular gear by a concave and convex portion. (6) The non-circular gear type flowmeter according to claim 1, wherein the magnet is provided with reflectance reducing means on the surface between the reflective surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9090987U JPH0544747Y2 (en) | 1987-06-13 | 1987-06-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9090987U JPH0544747Y2 (en) | 1987-06-13 | 1987-06-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63199028U true JPS63199028U (en) | 1988-12-21 |
| JPH0544747Y2 JPH0544747Y2 (en) | 1993-11-15 |
Family
ID=30951214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9090987U Expired - Lifetime JPH0544747Y2 (en) | 1987-06-13 | 1987-06-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0544747Y2 (en) |
-
1987
- 1987-06-13 JP JP9090987U patent/JPH0544747Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0544747Y2 (en) | 1993-11-15 |
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