JP2012181062A5 - - Google Patents
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- JP2012181062A5 JP2012181062A5 JP2011043179A JP2011043179A JP2012181062A5 JP 2012181062 A5 JP2012181062 A5 JP 2012181062A5 JP 2011043179 A JP2011043179 A JP 2011043179A JP 2011043179 A JP2011043179 A JP 2011043179A JP 2012181062 A5 JP2012181062 A5 JP 2012181062A5
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- Prior art keywords
- force detector
- pressure
- housing case
- case according
- detector housing
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Description
本発明は、上述の課題の少なくとも一部を解決するためになされたものであり、以下の形態、または適用例として実現することが可能である。
第１の形態に係る力検出器収容ケースは、液体からの圧力を検知する力検出器を収容する力検出器収容ケースであって、収容される前記力検出器の受圧面に対向する底部と、側壁部と、を有し、前記受圧面と前記底部との間の圧力導入空間に液体を導入し圧力を印加する圧力導入孔が前記底部に設けられ、前記圧力導入空間に導入された液体中の空気を排出する排出孔が前記側壁部に設けられていることを特徴とする。
第２の形態に係る力検出器収容ケースは、第１の形態に係る力検出器収容ケースにおいて、前記排出孔は、複数設けられていることを特徴とする。
第３の形態に係る力検出器収容ケースは、第１の形態または第２の形態に係る力検出器収容ケースにおいて、前記排出孔は、前記側壁部から壁中を通って前記圧力導入孔に連通していることを特徴とする。
第４の形態に係る力検出器収容ケースは、第１の形態乃至第３の形態のいずれか１の形態に係る力検出器収容ケースにおいて、前記排出孔は、前記側壁部から壁中を通って前記底部に貫通していることを特徴とする。
第５の形態に係る力検出器収容ケースは、第１の形態乃至第４の形態のいずれか１の形態に係る力検出器収容ケースにおいて、前記圧力導入孔は、複数設けられていることを特徴とする。
第６の形態に係る力検出器収容ケースは、第１の形態乃至第４の形態のいずれか１の形態に係る力検出器収容ケースにおいて、前記圧力導入孔は、網部により覆われていることを特徴とする。
第７の形態に係る力検出器収容ケースは、第１の形態乃至第５の形態のいずれか１の形態に係る力検出器収容ケースにおいて、前記底部の前記受圧面に対向する位置には凹部が形成され、前記圧力導入孔は、前記凹部の底面に貫通し、前記排出孔は、前記側壁部から壁中を通って前記凹部の側面に貫通していることを特徴とする。
第１の形態に係る力測定器は、第１の形態乃至第７の形態のいずれか１の形態に係る力検出器収容ケースに前記力検出器を収容してなることを特徴とする。
第２の形態に係る力測定器は、第１の形態に係る力測定器において、前記力検出器は、筒状の容器と、前記容器の側面から突出して設けられたフランジ部と、前記容器の底面に配置されたダイアフラムと、を有し、前記力検出器収容ケースは、前記フランジ部と前記底部との間に配置され、前記圧力導入孔がリングの内側となるように配置されているリングと、前記フランジ部を前記リングとともに前記底部側に押し付ける押し込み部材と、を有することを特徴とする。
［適用例１］筒状の外形を有する容器と、前記容器の側面の外周に沿って形成された雄ネジ部と、前記容器の端面に配置され力を受けて前記容器の内側または外側に変位するダイアフラムと、を有し、前記ダイアフラムの変位により圧力を検出する力検出器を収容する力検出器収容ケースであって、前記ダイアフラムに対向する底部と、前記容器の側面に対向する側壁部とを有する外部ケースと、前記底部に形成された圧力導入孔と、前記側壁部の内周に沿って形成され、前記雄ネジ部と螺合し、前記ダイアフラムを境界の一部とし、前記圧力導入孔を有する圧力導入空間を形成する雌ネジ部と、を備え、前記側壁部の側面と前記圧力導入空間との間を貫通する排出孔が設けられたことを特徴とする力検出器収容ケース。
上記構成により、力検出器収容ケースと力検出器との間に残留する空気を効率的に排出することができ、液体の圧力を精度良く測定することができる。
SUMMARY An advantage of some aspects of the invention is to solve at least a part of the problems described above, and the invention can be implemented as the following forms or application examples.
The force detector housing case according to the first embodiment is a force detector housing case that houses a force detector that detects pressure from a liquid, and a bottom portion that faces the pressure receiving surface of the force detector to be housed. And a side wall portion, and a liquid is introduced into the pressure introduction space, the pressure introduction hole for introducing the liquid into the pressure introduction space between the pressure receiving surface and the bottom portion and applying pressure to the pressure introduction space. A discharge hole for discharging the air therein is provided in the side wall portion.
The force detector housing case according to the second embodiment is characterized in that in the force detector housing case according to the first embodiment, a plurality of the discharge holes are provided.
A force detector housing case according to a third embodiment is the force detector housing case according to the first embodiment or the second embodiment, wherein the discharge hole passes through the wall from the side wall portion to the pressure introducing hole. It is characterized by communication.
A force detector housing case according to a fourth embodiment is the force detector housing case according to any one of the first to third embodiments, wherein the discharge hole passes through the wall from the side wall portion. And penetrating through the bottom.
A force detector housing case according to a fifth embodiment is the force detector housing case according to any one of the first to fourth embodiments, wherein a plurality of the pressure introducing holes are provided. Features.
A force detector housing case according to a sixth embodiment is the force detector housing case according to any one of the first to fourth embodiments, wherein the pressure introducing hole is covered with a mesh portion. It is characterized by that.
A force detector housing case according to a seventh aspect is the force detector housing case according to any one of the first to fifth embodiments, wherein a concave portion is provided at a position facing the pressure receiving surface of the bottom portion. The pressure introducing hole penetrates the bottom surface of the concave portion, and the discharge hole penetrates from the side wall portion through the wall to the side surface of the concave portion.
The force measuring device according to the first embodiment is characterized in that the force detector is accommodated in a force detector housing case according to any one of the first to seventh embodiments.
A force measuring instrument according to a second aspect is the force measuring instrument according to the first aspect, wherein the force detector includes a cylindrical container, a flange portion protruding from a side surface of the container, and the container The force detector housing case is disposed between the flange portion and the bottom portion, and the pressure introducing hole is disposed inside the ring. It has a ring and the pushing member which presses the said flange part to the said bottom part side with the said ring, It is characterized by the above-mentioned.
[Application Example 1] A container having a cylindrical outer shape, a male screw portion formed along the outer periphery of the side surface of the container, and disposed on the end surface of the container to be displaced inside or outside the container upon receiving a force. A force detector housing case for housing a force detector that detects pressure by displacement of the diaphragm, and a bottom portion facing the diaphragm, and a side wall portion facing the side surface of the container. An outer case, a pressure introducing hole formed in the bottom, and an inner periphery of the side wall, screwed into the male screw, and the diaphragm as a part of the boundary, the pressure introducing And a female screw part that forms a pressure introduction space having a hole, and a discharge hole that penetrates between a side surface of the side wall part and the pressure introduction space is provided.
With the above configuration, the air remaining between the force detector housing case and the force detector can be efficiently discharged, and the pressure of the liquid can be measured with high accuracy.
Claims (9)
収容される前記力検出器の受圧面に対向する底部と、側壁部と、を有し、
前記受圧面と前記底部との間の圧力導入空間に液体を導入し圧力を印加する圧力導入孔が前記底部に設けられ、
前記圧力導入空間に導入された液体中の空気を排出する排出孔が前記側壁部に設けられていることを特徴とする力検出器収容ケース。 A force detector housing case for housing a force detector for detecting pressure from the liquid ,
A bottom portion facing the pressure receiving surface of the force detector accommodated, and a side wall portion,
A pressure introduction hole for introducing a liquid into a pressure introduction space between the pressure receiving surface and the bottom and applying pressure is provided in the bottom;
A force detector housing case, wherein a discharge hole for discharging air in the liquid introduced into the pressure introduction space is provided in the side wall portion .
複数設けられていることを特徴とする請求項１に記載の力検出器収容ケース。 The discharge hole is
Force detector accommodating case according to claim 1, characterized in that provided multiple.
複数設けられていることを特徴とする請求項１乃至４のいずれか１項に記載の力検出器収容ケース。 The pressure introducing hole is
Force detector housing case according to any one of claims 1 to 4, characterized in that provided multiple.
前記圧力導入孔は、前記凹部の底面に貫通し、
前記排出孔は、前記側壁部から壁中を通って前記凹部の側面に貫通していることを特徴とする請求項１乃至５のいずれか１項に記載の力検出器収容ケース。 A recess is formed at a position facing the pressure receiving surface of the bottom,
The pressure introducing hole penetrates the bottom surface of the recess,
The discharge hole, the force detector housing case according to any one of claims 1 to 5, characterized in that penetrates through the the walls from the side wall portion on the side surface of the recess.
筒状の容器と、前記容器の側面から突出して設けられたフランジ部と、前記容器の底面に配置されたダイアフラムと、を有し、A cylindrical container, a flange portion protruding from the side surface of the container, and a diaphragm disposed on the bottom surface of the container,
前記力検出器収容ケースは、The force detector housing case is
前記フランジ部と前記底部との間に配置され、前記圧力導入孔がリングの内側となるように配置されているリングと、A ring that is arranged between the flange part and the bottom part, and is arranged such that the pressure introducing hole is inside the ring;
前記フランジ部を前記リングとともに前記底部側に押し付ける押し込み部材と、を有することを特徴とする請求項８に記載の力測定器。The force measuring device according to claim 8, further comprising: a pressing member that presses the flange portion together with the ring toward the bottom side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011043179A JP5712674B2 (en) | 2011-02-28 | 2011-02-28 | Force detector housing case, force measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011043179A JP5712674B2 (en) | 2011-02-28 | 2011-02-28 | Force detector housing case, force measuring device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2012181062A JP2012181062A (en) | 2012-09-20 |
| JP2012181062A5 true JP2012181062A5 (en) | 2014-03-20 |
| JP5712674B2 JP5712674B2 (en) | 2015-05-07 |
Family
ID=47012384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011043179A Expired - Fee Related JP5712674B2 (en) | 2011-02-28 | 2011-02-28 | Force detector housing case, force measuring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5712674B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9605989B2 (en) | 2013-01-16 | 2017-03-28 | Seiko Epson Corporation | Liquid pressure meter, liquid level meter, and warning system |
| US9493133B2 (en) * | 2014-05-20 | 2016-11-15 | Ford Global Technologies, Llc | Fastening and sensing apparatus |
| JP6127031B2 (en) * | 2014-09-17 | 2017-05-10 | エポコラム機工株式会社 | Underground pressure measuring device |
| CN113514187A (en) * | 2021-04-06 | 2021-10-19 | 杭州电子科技大学 | Epoxy diaphragm integrated fiber bragg grating pressure sensor and performance evaluation device thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3310207B2 (en) * | 1997-11-20 | 2002-08-05 | 株式会社日立製作所 | Immersion water level gauge |
| JP4693200B2 (en) * | 1999-10-12 | 2011-06-01 | 古河電気工業株式会社 | Pressure measuring device |
| US6484589B1 (en) * | 2001-05-30 | 2002-11-26 | Senx Technology | Piezoelectric transducer assemblies and methods for their use |
| JP5187529B2 (en) * | 2008-07-22 | 2013-04-24 | セイコーエプソン株式会社 | pressure sensor |
-
2011
- 2011-02-28 JP JP2011043179A patent/JP5712674B2/en not_active Expired - Fee Related
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