JPH0436450U - - Google Patents
Info
- Publication number
- JPH0436450U JPH0436450U JP7798690U JP7798690U JPH0436450U JP H0436450 U JPH0436450 U JP H0436450U JP 7798690 U JP7798690 U JP 7798690U JP 7798690 U JP7798690 U JP 7798690U JP H0436450 U JPH0436450 U JP H0436450U
- Authority
- JP
- Japan
- Prior art keywords
- solid rod
- case
- light
- concentration meter
- liquid concentration
- 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
- 239000007787 solid Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
第1図は本発明の一実施例を示す正面図である
第2図における要部構成断面図、第2図は本発明
の一実施例を示す正面図、第3図は液体濃度計の
原理を説明する図、第4図は従来の液体濃度計の
要部断面図である。
第1図及び第2図において、21……ロアケー
ス(ケース)、21c……段付き貫通穴(貫通穴
)、22……アツパケース(ケース)、25……
ロツド(中実ロツド)、25e……反射膜、26
……受発光一体素子(発光部、受光部)、K……
検知部、B……気泡。
Fig. 1 is a front view showing an embodiment of the present invention. Fig. 2 is a sectional view of the main part configuration in Fig. 2. Fig. 2 is a front view showing an embodiment of the invention. Fig. 3 is the principle of a liquid concentration meter. FIG. 4 is a sectional view of a main part of a conventional liquid concentration meter. 1 and 2, 21... lower case (case), 21c... stepped through hole (through hole), 22... top case (case), 25...
Rod (solid rod), 25e... Reflective film, 26
...Receiving and emitting integrated element (light emitting part, light receiving part), K...
Detection part, B... air bubbles.
Claims (1)
ド25の一端側に形成された検知部Kと、前記中
実ロツド25の他端側に設けられ、前記中実ロツ
ド25に光ビームを出射する発光部26と、前記
中実ロツド25の他端側に設けられ、前記検知部
Kからの反射光を検出する光検出部26と、先端
部に前記中実ロツド25が外部に露出する貫通穴
21cが形成され、前記中実ロツド25の他端側
、発光部26及び光検出部26を内蔵するケース
21とを有した液体濃度計において、 前記ケース21より露出した前記中実ロツド2
5の露出部の前記ケース21の貫通穴21c近傍
に反射膜25eを成膜したことを特徴とする液体
濃度計。[Claims for Utility Model Registration] A solid rod 25 made of transparent resin, a detection part K formed at one end of the solid rod 25, and a detection part K provided at the other end of the solid rod 25, A light emitting section 26 that emits a light beam to the solid rod 25, a light detecting section 26 that is provided at the other end of the solid rod 25 and detects the reflected light from the detecting section K, and A liquid concentration meter having a through hole 21c through which the rod 25 is exposed to the outside, and a case 21 that houses the other end of the solid rod 25, a light emitting section 26, and a light detecting section 26, from the case 21. The exposed solid rod 2
A liquid concentration meter characterized in that a reflective film 25e is formed near the through hole 21c of the case 21 at the exposed portion of the liquid concentration meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7798690U JP2500995Y2 (en) | 1990-07-23 | 1990-07-23 | Liquid concentration meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7798690U JP2500995Y2 (en) | 1990-07-23 | 1990-07-23 | Liquid concentration meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0436450U true JPH0436450U (en) | 1992-03-26 |
| JP2500995Y2 JP2500995Y2 (en) | 1996-06-12 |
Family
ID=31620864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7798690U Expired - Lifetime JP2500995Y2 (en) | 1990-07-23 | 1990-07-23 | Liquid concentration meter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2500995Y2 (en) |
-
1990
- 1990-07-23 JP JP7798690U patent/JP2500995Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2500995Y2 (en) | 1996-06-12 |