JPH02293627A - Flow rate detecting device - Google Patents
Flow rate detecting deviceInfo
- Publication number
- JPH02293627A JPH02293627A JP11532089A JP11532089A JPH02293627A JP H02293627 A JPH02293627 A JP H02293627A JP 11532089 A JP11532089 A JP 11532089A JP 11532089 A JP11532089 A JP 11532089A JP H02293627 A JPH02293627 A JP H02293627A
- Authority
- JP
- Japan
- Prior art keywords
- flow
- flow rate
- ball
- fixed blade
- rotation
- 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 abstract description 11
- 210000000078 claw Anatomy 0.000 claims abstract description 6
- 238000001514 detection method Methods 0.000 claims description 25
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明は、流路内を流れる流体の流量を検出する流量検
出装置に関するものである．
く従来の技術〉
従来のこの種の流量検出装置は、第４図に示すようなも
のがあった．
第４図において、流路１２の内部に固定ｊ［ｌ３とボー
ルｌ５とボール受けｌ４があり、回転検出部１６がボー
ルｌ５の外周位置の流路外壁面に接して取付けられてい
る．固定翼１３とボール受け１４は接続され、固定１１
１３とボール受けｌ４に囲まれてボールｌ５が回転する
ようになっている．流路１２内を流れる流体は、固定翼
ｌ３を通遇することによって回転力を加えられ、ボール
１５を回転させる．回転させられたボールｌ５は、ボー
ル受け１４で受け止められ、同一平面上で回転し続ける
．前記回転検出部ｌ６によって前記ボールｌ５の回転が
電気信号に変換され、流体の流量を検出するようになっ
ている．流体の流量が多くなると前記ボールｌ５の回転
数が比例的に増加するため、回転検出部ｌ６によって回
転周波数を検出することで流量を測定できる構成となっ
ている．
く発明が解決しようとする課題〉
しかしながら、上記のような従来の構成では、次のよう
な課題を有していた．
（１）流路内を流れる流量が増加すると、固定翼部に強
い回転力が加わり、固定翼自体が流路内で回転するため
、流量の検出精度が低下する。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a flow rate detection device that detects the flow rate of fluid flowing in a flow path. Prior Art> A conventional flow rate detection device of this type is shown in Fig. 4. In FIG. 4, there are a fixed j[l3, a ball l5, and a ball receiver l4 inside the flow path 12, and a rotation detection unit 16 is attached in contact with the outer wall surface of the flow path at the outer circumferential position of the ball l5. The fixed wing 13 and the ball receiver 14 are connected, and the fixed wing 11
13 and ball holder l4, the ball l5 rotates. The fluid flowing in the flow path 12 passes through the fixed blade l3 and is applied with rotational force, causing the ball 15 to rotate. The rotated ball l5 is received by the ball receiver 14 and continues to rotate on the same plane. The rotation detection section l6 converts the rotation of the ball l5 into an electrical signal to detect the flow rate of the fluid. As the flow rate of the fluid increases, the number of revolutions of the ball l5 increases proportionally, so the flow rate can be measured by detecting the rotational frequency using the rotation detector l6. Problems to be Solved by the Invention> However, the conventional configuration as described above had the following problems. (1) When the flow rate flowing through the flow path increases, strong rotational force is applied to the fixed blade section, and the fixed blade itself rotates within the flow path, resulting in a decrease in flow rate detection accuracy.
（２）流路内を流れる流量が増加すると、流れ方向に押
す力が強くなり、固定翼・ボール受けが押し流されボー
ルの回転位置が移動したり、ポール受けと固定翼が分離
したりして、流量検出不可能になる可能性がある．
本発明は、ぶかる従来の課題を解消するもので、流量が
大流量になっても安定した流量検出を可能とし、信鯨性
・精度の高い′ｔＪＬＩ検出装置を提供することを目的
とする。(2) As the flow rate increases in the flow path, the force pushing in the flow direction becomes stronger, and the fixed blades and ball receivers are swept away, the rotational position of the ball shifts, and the pole receiver and fixed blades are separated. , it may become impossible to detect the flow rate. The present invention solves the conventional problems, and aims to provide a 'tJLI detection device that enables stable flow rate detection even when the flow rate becomes large, and has high reliability and accuracy. .
〈課題を解決するための手段〉
上記課題を解消するために、本発明の流量検出装置は、
流路内部に流れ方向から順に複数の爪部をもつ止め輪と
、固定翼と、回転部と、止め板とを備え、回転部の動き
を検出する回転検出部を流路外壁面に接して取り付けた
構成とした。<Means for Solving the Problems> In order to solve the above problems, the flow rate detection device of the present invention has the following features:
A retaining ring having a plurality of claws in order from the flow direction, a fixed blade, a rotating part, and a stop plate are provided inside the flow channel, and a rotation detection part for detecting the movement of the rotating part is in contact with the outer wall surface of the flow channel. The installed configuration was adopted.
く作用〉
本発明は上記構成とすることによって、数量が多くなっ
て固定翼が流れによって回転しようとした場合でも止め
輪が固定翼の翼部に引っ掛かり回転を防止する．又、流
れによって固定翼や回転部が押し流されようとしても、
止め板によって位置を規定されるため、確実に安定した
流量検出が得られるようになると共に、初期の構成を常
に維持できるようになり、信顧性．検出精度が向上ずる
。Effects> The present invention has the above configuration, so that even if the number of fixed blades increases and the fixed blades try to rotate due to the flow, the retaining ring will catch on the blade of the fixed blade and prevent rotation. Also, even if the fixed blades or rotating parts are swept away by the flow,
Since the position is defined by the stop plate, stable flow rate detection can be obtained reliably, and the initial configuration can always be maintained, improving reliability. Detection accuracy improves.
〈実施例〉
以下、本発明における流量検出装置の一実施例を添付図
面に基づいて説明する．
第１図は本実施例の構成図を示す．第２図は止め輪の装
着状態、第３図は止め輪装着状態の詳細図である．
第１図において、流入流路ｌの内部に流体の流入方向か
ら順に、止め輪５、固定翼２、ポールウケ３、止め板６
があり、固定翼２とボールウケ３の中にポール４が挿入
されている．
前記ボール部４の流入流路ｌ外周壁面にはボール４の回
転を検出する回転検出部９があり、前記止め板６の２次
側には０リングを挟んで流出流路８がある．又、前記止
め輪にはバネ性があり自身のハネ性で位置を規定してい
る。<Example> Hereinafter, an example of the flow rate detection device according to the present invention will be described based on the attached drawings. Figure 1 shows the configuration diagram of this embodiment. Figure 2 is a detailed view of the retaining ring installed, and Figure 3 is a detailed view of the retaining ring installed. In FIG. 1, a retaining ring 5, a fixed blade 2, a pole holder 3, a retaining plate 6
There is a pole 4 inserted into the fixed wing 2 and ball uke 3. A rotation detecting section 9 for detecting the rotation of the ball 4 is provided on the outer peripheral wall surface of the inflow channel 1 of the ball portion 4, and an outflow channel 8 is provided on the secondary side of the stop plate 6 with an O ring in between. Further, the retaining ring has a spring property and its position is determined by its own spring property.
流入流路ｌを流れてきた流体は固定翼２の翼部によって
回転力を加えられ流出流路８へ流出する．一方回転する
ボール５は回転検出部１０によって回転を電気的信号に
変換され、その回転数によってｉ．ＲＩの多少を検出す
る．固定オ２は流れに回転力を加える一方、流体によっ
て固定Ｒ２自身強い回転力を反力として受けて回転しよ
うとするが、止め輪５の複数の爪部が翼部に引っ掛かり
回転しないようになっている．
又、流体の流れによって固定翼２、ボール４、ポール受
け３は流れの方向に押し流されようとするが、止め板６
があるため初期の位置構成から動かないように構成され
ている．
以上の構成により、大流量時に流体から受ける回転反力
による固定翼の回転を防止すると共に、初期位置構成が
くずれることを防止することができる．
く発明の効果〉
以上のように本発明の２７！Ｌｌ検出装置によれば次の
効果を得ることができる．
（＋） 大流量が流れても固定翼が回転することがな
《、大流量の場合でも流量検出が可能となると同時に、
流量検出精度が向上する．
（２）回転検出部と回転部の位置関係がくずれないため
、流量検出精度及び信頼性が向上する．The fluid flowing through the inflow channel 1 is subjected to rotational force by the blades of the fixed blades 2 and flows out to the outflow channel 8. On the other hand, the rotation of the rotating ball 5 is converted into an electrical signal by the rotation detecting section 10, and the i. Detects the amount of RI. While stationary O2 applies rotational force to the flow, stationary R2 itself receives a strong rotational force as a reaction force due to the fluid and tries to rotate, but the plurality of claws of retaining ring 5 catch on the wings and do not rotate. ing. Furthermore, the fixed blades 2, balls 4, and pole receivers 3 tend to be swept away in the direction of the flow due to the fluid flow, but the stop plate 6
Because of this, it is configured so that it does not move from its initial position configuration. With the above configuration, it is possible to prevent the fixed blade from rotating due to the rotational reaction force received from the fluid during a large flow rate, and to prevent the initial position configuration from collapsing. Effects of the Invention> As described above, 27! According to the Ll detection device, the following effects can be obtained. (+) The fixed blades do not rotate even when a large flow rate flows, and at the same time, it is possible to detect the flow rate even at a large flow rate.
Improves flow rate detection accuracy. (2) Since the positional relationship between the rotation detection part and the rotating part is not disrupted, flow rate detection accuracy and reliability are improved.
第１図は本発明の一実施例における流量検出装置の構成
図、第２図は同装置の止め輪装着図、第３図は止め輪装
着時の詳細を示す図、第４図は従来の流量検出装置の構
成図である。
１・・・・・・流入流路、２・・・・・・固定翼、３・
・・・・・ボール受け、４・・・・・・ボール、５・・
・・・・止め輪、６・・・・・・止め仮、７・・・・・
・０リング、８・・・・・・流出流路、１０・・・・・
・回転検出部。Fig. 1 is a configuration diagram of a flow rate detection device according to an embodiment of the present invention, Fig. 2 is a diagram of the same device with a retaining ring attached, Fig. 3 is a diagram showing details when the retaining ring is attached, and Fig. 4 is a diagram of a conventional flow rate detection device. FIG. 2 is a configuration diagram of a flow rate detection device. 1... Inflow channel, 2... Fixed blade, 3.
...Ball receiver, 4...Ball, 5...
... Retaining ring, 6 ... Temporary stop, 7 ...
・0 ring, 8...Outflow channel, 10...
・Rotation detection section.
Claims (3)
前記固定翼によって回転力を加えられた流れで回転する
回転部と、前記回転翼の位置を規定し複数の爪部をもつ
止め輪と、前記回転部の位置を規定する円筒形の止め板
と、前記回転部の回転を検出する回転検出部からなり、
前記流路内に流れ方向から順に前記止め輪と前記固定翼
と前記回転部と前記止め板を挿入し、前記流路の挿入部
外壁面に接して前記回転検出部を設けた構成とした流量
検出装置。(1) A flow path and a fixed blade that applies rotational force to the fluid flow;
a rotating part that rotates with a flow applied with rotational force by the fixed blade; a retaining ring that defines the position of the rotary vane and has a plurality of claw parts; and a cylindrical retaining plate that defines the position of the rotating part. , comprising a rotation detection section that detects rotation of the rotation section,
A flow rate configured such that the retaining ring, the fixed blade, the rotating section, and the stop plate are inserted into the flow channel in order from the flow direction, and the rotation detection section is provided in contact with an outer wall surface of the insertion section of the flow channel. Detection device.
ち固定翼の翼部に引っ掛かりを設けた構成とした請求項
（１）記載の流量検出装置。(2) The flow rate detection device according to claim (1), wherein the retaining ring has a claw portion in a direction perpendicular to the circumferential direction and is hooked onto the wing portion of the fixed wing.
構成とした請求項（１）記載の流量検出装置。(3) The flow rate detection device according to claim (1), wherein the stop plate is cylindrical and has a plurality of claws arranged in the center direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1115320A JP2789669B2 (en) | 1989-05-09 | 1989-05-09 | Flow detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1115320A JP2789669B2 (en) | 1989-05-09 | 1989-05-09 | Flow detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02293627A true JPH02293627A (en) | 1990-12-04 |
| JP2789669B2 JP2789669B2 (en) | 1998-08-20 |
Family
ID=14659672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1115320A Expired - Fee Related JP2789669B2 (en) | 1989-05-09 | 1989-05-09 | Flow detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2789669B2 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59133428A (en) * | 1983-01-20 | 1984-07-31 | Matsushita Electric Ind Co Ltd | Flow rate detector |
| JPS60135721A (en) * | 1983-12-23 | 1985-07-19 | Matsushita Electric Ind Co Ltd | Flow rate detector |
| JPS60213818A (en) * | 1984-04-09 | 1985-10-26 | Matsushita Electric Ind Co Ltd | Flow-rate detector |
| JPS63228026A (en) * | 1986-12-15 | 1988-09-22 | Matsushita Electric Ind Co Ltd | Flow rate detector |
-
1989
- 1989-05-09 JP JP1115320A patent/JP2789669B2/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59133428A (en) * | 1983-01-20 | 1984-07-31 | Matsushita Electric Ind Co Ltd | Flow rate detector |
| JPS60135721A (en) * | 1983-12-23 | 1985-07-19 | Matsushita Electric Ind Co Ltd | Flow rate detector |
| JPS60213818A (en) * | 1984-04-09 | 1985-10-26 | Matsushita Electric Ind Co Ltd | Flow-rate detector |
| JPS63228026A (en) * | 1986-12-15 | 1988-09-22 | Matsushita Electric Ind Co Ltd | Flow rate detector |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2789669B2 (en) | 1998-08-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |