JP2580200Y2 - Foam detection sensor in microbial culture equipment - Google Patents
Foam detection sensor in microbial culture equipmentInfo
- Publication number
- JP2580200Y2 JP2580200Y2 JP4550793U JP4550793U JP2580200Y2 JP 2580200 Y2 JP2580200 Y2 JP 2580200Y2 JP 4550793 U JP4550793 U JP 4550793U JP 4550793 U JP4550793 U JP 4550793U JP 2580200 Y2 JP2580200 Y2 JP 2580200Y2
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- detection sensor
- foam
- cover
- tip
- 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.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
- C12M27/02—Stirrer or mobile mixing elements
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Microbiology (AREA)
- Sustainable Development (AREA)
- Biotechnology (AREA)
- Biomedical Technology (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Analytical Chemistry (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は微生物培養装置に於ける
泡検知センサに関するものであり、特に泡検知センサの
機能を向上させたものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a foam detection sensor in a microorganism culturing apparatus, and more particularly to an improved function of a foam detection sensor.
【０００２】[0002]
【従来の技術】従来の此種微生物培養装置について図５
及び図６に従って説明する。図５に於いて１は培養槽、
２は該培養槽１の天井板、３は該培養槽１内に収容され
る培地である。而して、前記天井板３から泡検知センサ
４が前記培養槽１内に突出されており、前記培地３の培
養中に生成される泡を検出して泡検出装置５に検出信号
を出力し、消泡剤添加弁や消泡羽根等の消泡装置（図示
せず）を作動させて該泡を除去するものである。図６は
前記泡検知センサ４の詳細図であり、４ａは電極、４ｂ
は該電極４ａの先端部、４ｃは該電極４ａを被覆する絶
縁体よりなるカバーである。2. Description of the Related Art FIG.
And FIG. In FIG. 5, 1 is a culture tank,
Reference numeral 2 denotes a ceiling plate of the culture tank 1 and reference numeral 3 denotes a medium accommodated in the culture tank 1. A foam detection sensor 4 protrudes from the ceiling plate 3 into the culture tank 1, detects bubbles generated during culture of the culture medium 3, and outputs a detection signal to a foam detection device 5. The defoaming device (not shown) such as a defoaming agent addition valve or a defoaming blade is operated to remove the foam. FIG. 6 is a detailed view of the bubble detection sensor 4, wherein 4a is an electrode, 4b
Is a tip portion of the electrode 4a, and 4c is a cover made of an insulator covering the electrode 4a.
【０００３】又、前記泡検知センサ４と泡検出装置５と
は、電線６で接続されており、更に、該泡検出装置５と
培養槽１とは電線７で接続されている。尚、８は前記培
地３をモータ９にて攪拌するための攪拌翼である。而し
て、前記培養槽１内に収容されている培地３が培養され
る過程に於て泡が生じる。そして、該泡は前記電極４ａ
の先端部４ｂと接触して電気的に導通し、前記泡検出装
置５が該泡を検出して消泡装置を駆動させ、該泡を除去
するように構成されている。更に、前記培地３の粘度が
高い場合は、前記消泡装置によって該泡が除去された後
に於ても、前記天井板２に前記培地３の皮膜１０が付着
し、そして、該皮膜１０が前記電極４ａの先端部に接触
することがある。然るときは、再び前記消泡装置が作動
して不必要な消泡動作を為すことになる。[0003] The foam detection sensor 4 and the foam detection device 5 are connected by an electric wire 6, and the foam detection device 5 and the culture tank 1 are connected by an electric wire 7. Reference numeral 8 denotes a stirring blade for stirring the culture medium 3 with a motor 9. Thus, bubbles are generated in the process of culturing the culture medium 3 contained in the culture tank 1. Then, the bubbles are formed in the electrode 4a.
The bubble detecting device 5 detects the bubbles, drives the defoaming device, and removes the bubbles. Furthermore, when the viscosity of the culture medium 3 is high, the film 10 of the culture medium 3 adheres to the ceiling plate 2 even after the foam is removed by the defoaming device, and the film 10 It may come into contact with the tip of the electrode 4a. In that case, the defoaming device operates again to perform unnecessary defoaming operation.
【０００４】[0004]
【考案が解決しようとする課題】前述の如く、天井板２
と泡検知センサ４との間に培地３の皮膜１０が形成され
た場合は、該皮膜１０を介して前記泡検知センサ４の電
極４ａと培養槽１とが導通して培地上部に泡が存在しな
いにもかかわらず、消泡装置が誤動作することがある。[Problems to be Solved by the Invention] As described above, the ceiling plate 2
When the film 10 of the culture medium 3 is formed between the medium and the bubble detection sensor 4, the electrode 4a of the bubble detection sensor 4 and the culture tank 1 are conducted through the film 10 and bubbles are present on the culture medium. Despite this, the defoaming device may malfunction.
【０００５】そこで、泡検知センサによって正確に泡を
検出し、消泡装置の誤動作をなくするために解決せらる
べき技術的課題が生じてくるのであり、本考案は該課題
を解決することを目的とする。[0005] Therefore, there is a technical problem to be solved in order to accurately detect bubbles by the bubble detecting sensor and eliminate malfunction of the defoaming device, and the present invention solves the problem. Aim.
【０００６】[0006]
【課題を解決するための手段】本考案は上記目的を達成
するために提案するものであり、微生物培養槽の天井板
から該培養槽内部に挿入される導電性の電極であって、
該電極は絶縁体にて被覆されると共に、その先端部を該
絶縁体より露呈せしめて成り、且つ、該電極の先端部を
下面開放の漏斗状のカバーにて被覆し、更に、該カバー
内に該電極の先端部が没入するように形成された微生物
培養装置に於ける泡検知センサを提供するものである。Means for Solving the Problems The present invention proposes to achieve the above object, and is a conductive electrode inserted from the ceiling plate of a microorganism culture tank into the culture tank,
The electrode is covered with an insulator, the tip of the electrode is exposed from the insulator, and the tip of the electrode is covered with a funnel-shaped cover having an open bottom surface. Another object of the present invention is to provide a bubble detection sensor in a microorganism culturing apparatus formed such that the tip of the electrode is immersed.
【０００７】[0007]
【作用】微生物培養槽の天井板から培養槽内部に挿入さ
れる泡検知センサは、該泡検知センサを構成する電極を
絶縁体にて被覆し、且つ、該電極の下端部が下面開放の
漏斗状のカバーにて被覆され、そして、該カバー内に該
電極の下端部が没入している。The bubble detecting sensor inserted into the inside of the culture tank from the ceiling plate of the microorganism culturing tank covers an electrode constituting the bubble detection sensor with an insulator, and the lower end of the electrode has a bottom open funnel. The lower end of the electrode is immersed in the cover.
【０００８】而して、培養槽内の培地の培養中に於て泡
が生じたときは、該泡は該泡検知センサにて検知され、
消泡装置が作動して消泡される。このとき、該泡の一部
が天井板に付着して皮膜を形成することがあるが、該皮
膜は泡検知センサの電極を被覆している絶縁体より成る
カバーによって該電極と直接に接触することはない。斯
くして、消泡装置の誤動作が防止される。[0008] When bubbles are generated during the culture of the culture medium in the culture tank, the bubbles are detected by the bubble detection sensor.
The defoaming device operates to defoam. At this time, a part of the foam may adhere to the ceiling plate to form a film. The film is in direct contact with the electrode of the bubble detection sensor by a cover made of an insulator covering the electrode. Never. Thus, malfunction of the defoaming device is prevented.
【０００９】[0009]
【実施例】以下、本考案の一実施例を図１乃至図３に従
って詳述する。図１及び図２に於いて１１は培養槽であ
り、該培養槽１１の上部には天井板１２が設けられてい
る。前記培養槽１１内には培地１３が収容される。又、
前記天井板１２には泡検知センサ１４が装着されて前記
培養槽１１内に突出されている。而して、該泡検知セン
サ１４は前記培地１３の培養過程に於て生じる泡を検出
して該検出信号を泡検出装置１５に出力し、そして、消
泡装置（図示せず）を作動して消泡するように構成され
ている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below in detail with reference to FIGS. 1 and 2, reference numeral 11 denotes a culture tank, and a ceiling plate 12 is provided above the culture tank 11. A culture medium 13 is accommodated in the culture tank 11. or,
A foam detection sensor 14 is mounted on the ceiling plate 12 and protrudes into the culture tank 11. Thus, the foam detection sensor 14 detects bubbles generated during the culture process of the culture medium 13, outputs the detection signal to the foam detection device 15, and operates a defoaming device (not shown). It is configured to defoam.
【００１０】図３は前記泡検知センサ１４を示し、１４
ａは導体より成る電極、１４ｂは該電極１４ａの先端
部、１４ｃは耐熱ゴムや耐熱プラスチックより成る絶縁
体のカバーであり、前記電極１４ａの外周面を被覆し、
更に、該電極１４ａの下端部近傍から下方に向って下面
開放の漏斗状に拡開されている。而も、該カバー１４ｃ
の下端部１４ｄは前記電極１４ａの先端部１４ｂよりも
下方へ位置するように延設され、該カバー１４ｃの前記
漏斗状に拡開された下端部１４ｄ内に該電極１４ａの下
端部位が没入した状態に形成されている。FIG. 3 shows the bubble detecting sensor 14.
a is an electrode made of a conductor, 14b is a tip of the electrode 14a, 14c is an insulator cover made of heat-resistant rubber or heat-resistant plastic, and covers the outer peripheral surface of the electrode 14a.
Further, the electrode 14a is expanded in a funnel shape with the lower surface open downward from near the lower end of the electrode 14a. Also, the cover 14c
The lower end 14d of the electrode 14a extends below the tip 14b of the electrode 14a, and the lower end of the electrode 14a is immersed in the funnel-shaped lower end 14d of the cover 14c. It is formed in a state.
【００１１】そして、前記泡検知センサ１４と前記泡検
出装置１５とは電線１６にて接続されており、更に、前
記泡検出装置１５と前記培養槽１１とは電線１７にて接
続されている。尚、符号１８は前記培地１３をモータ１
９にて攪拌するための攪拌翼である。又、前記培養槽１
１内の前記培地１３が発泡したときは、該泡は前記電極
１４ａの下端部位を被蔽しているカバー１４ｃの下端部
１４ｄ内に侵入し、そして、該泡は該電極１４ａの先端
部１４ｂと接触して電気的に導通し、前記泡検出装置１
５が該泡を検出して消泡装置（図示せず）を作動させ
る。このとき、前記培地１３の粘度が高い場合は、消泡
装置によって消泡された後に於ても該泡は皮膜２０とな
って、図２に示すように天井板１２と泡検知センサ１４
との間に付着することがある。The foam detecting sensor 14 and the foam detecting device 15 are connected by an electric wire 16, and the foam detecting device 15 and the culture tank 11 are connected by an electric wire 17. Reference numeral 18 denotes the medium 13
9 is a stirring blade for stirring. In addition, the culture tank 1
When the culture medium 13 in 1 is foamed, the foam penetrates into the lower end portion 14d of the cover 14c covering the lower end portion of the electrode 14a, and the foam forms the tip portion 14b of the electrode 14a. The bubble detection device 1
5 detects the foam and activates a defoaming device (not shown). At this time, when the viscosity of the culture medium 13 is high, even after the foam is defoamed by the defoaming device, the foam becomes a film 20, and as shown in FIG.
May adhere between
【００１２】然るに、前記泡検知センサ１４の前記カバ
ー１４ｃは下方に拡開する漏斗状となっているので、下
部において前記カバー１４ｃと電極１４ａとが離隔して
おり、しかも、該電極１４ａの先端部１４ｂは前記カバ
ー１４ｃの下端部１４ｄより上方に配置されているため
に、前記天井板１２に付着した前記皮膜２０と前記電極
１４ａの先端部１４ｂとが接触することがない。従っ
て、前記泡検知センサ１４と天井板１２とが前記皮膜２
０を介して電気的に導通することが防止され、消泡装置
が誤動作することがない。However, since the cover 14c of the bubble detection sensor 14 has a funnel shape that expands downward, the cover 14c and the electrode 14a are separated from each other at the lower part, and the tip of the electrode 14a Since the portion 14b is disposed above the lower end 14d of the cover 14c, the coating 20 adhered to the ceiling plate 12 does not contact the tip 14b of the electrode 14a. Therefore, the foam detection sensor 14 and the ceiling plate 12
Electrical conduction through the zero is prevented, and the defoaming device does not malfunction.
【００１３】又、図４は泡検知センサの他の実施例を示
し、該泡検知センサは従来例として図６に示したものを
使用し、泡検知センサ４に絶縁体より成るカバー２１を
装着している。該カバー２１の形状は、図３に示したカ
バー１４ｃと同様に下方に向って漏斗状に拡開してお
り、上部の小径部２１ａの内周面に２条の環状溝２１
ｂ，２１ｂを設け、該環状溝２１ｂ，２１ｂにＯリング
２２，２２を装着して前記泡検知センサ４に嵌着されて
いる。そして、前記電極４ａの先端部４ｂが前記カバー
２１の下端部２１ｃより上方に位置するように装着さ
れ、該カバー２１を装着した前記泡検知センサも図３の
ものと同様の作用効果を発揮する。FIG. 4 shows another embodiment of the bubble detection sensor. The bubble detection sensor shown in FIG. 6 is used as a conventional example, and a cover 21 made of an insulator is attached to the bubble detection sensor 4. doing. The shape of the cover 21 is expanded in a funnel shape downward like the cover 14c shown in FIG. 3, and two annular grooves 21 are formed on the inner peripheral surface of the upper small diameter portion 21a.
b, 21b are provided, and O-rings 22, 22 are mounted on the annular grooves 21b, 21b, and are fitted to the bubble detection sensor 4. Then, the electrode 4a is mounted such that the tip 4b of the electrode 4a is located above the lower end 21c of the cover 21, and the bubble detection sensor to which the cover 21 is mounted also exerts the same operation and effect as that of FIG. .
【００１４】尚、本考案は、本考案の精神を逸脱しない
限り種々の改変を為すことができ、そして、本考案が該
改変されたものに及ぶことは当然である。The present invention can be variously modified without departing from the spirit of the present invention, and it goes without saying that the present invention extends to the modified one.
【００１５】[0015]
【考案の効果】本考案は上記実施例にて詳述せる如く、
微生物培養槽の天井板から該培養槽内に挿入されている
泡検知センサの電極が下面開放であって、且つ、漏斗状
に拡開された絶縁体から成るカバーにて被覆され、更
に、該電極の先端部は該カバー内に没入した状態に形成
されているため、該培養槽内に於ける培地の培養過程に
於て生成される泡の一部が前記天井板に付着して残存
し、皮膜を形成するとしても、前記電極と該皮膜とは該
カバーにて絶縁されて電気的結合が行われない。[Effects of the Invention] The present invention is described in detail in the above embodiment.
The electrodes of the foam detection sensor inserted into the culture tank from the ceiling plate of the microorganism culture tank are open at the bottom, and are covered with a cover made of an insulator expanded in a funnel shape. Since the tip of the electrode is formed so as to be immersed in the cover, a part of the foam generated in the culture process of the culture medium in the culture tank adheres to the ceiling plate and remains. Even if a film is formed, the electrode and the film are insulated by the cover and are not electrically connected.
【００１６】斯くして、該泡検知センサは泡検出動作を
誤ることなく、正確なる泡の検出が期待できるようにな
る等、正に著大なる効果を奏する考案である。Thus, the bubble detecting sensor is a device which has a remarkably great effect such that accurate bubble detection can be expected without erroneous bubble detecting operation.
【図１】本考案を実施した微生物培養装置の縦断正面図
であって、泡検出状態を示す。FIG. 1 is a longitudinal sectional front view of a microorganism culturing apparatus embodying the present invention, showing a bubble detection state.
【図２】本考案を実施した微生物培養装置の縦断正面図
であって、天井板に皮膜が生成された状態を示す。FIG. 2 is a longitudinal sectional front view of the microorganism culturing apparatus embodying the present invention, showing a state in which a film is formed on a ceiling plate.
【図３】本考案に係る泡検知センサの縦断正面図。FIG. 3 is a vertical front view of the bubble detection sensor according to the present invention.
【図４】本考案に係る泡検知センサの他の実施例を示
し、その縦断正面図。FIG. 4 is a longitudinal sectional front view showing another embodiment of the bubble detection sensor according to the present invention.
【図５】従来の微生物培養装置の縦断正面図。FIG. 5 is a vertical sectional front view of a conventional microorganism culturing apparatus.
【図６】従来の泡検知センサの縦断正面図。FIG. 6 is a vertical sectional front view of a conventional bubble detection sensor.
４，１４ 泡検知センサ ４ａ，１４ａ 電極 ４ｂ，１４ｂ 電極の先端部 １１ 培養槽 １２ 天井板 １４ｃ，２１ カバー 4, 14 Foam detection sensor 4a, 14a Electrode 4b, 14b Tip of electrode 11 Culture tank 12 Ceiling plate 14c, 21 Cover
Claims (1)
に挿入される導電性の電極であって、該電極は絶縁体に
て被覆されると共に、その先端部を該絶縁体より露呈せ
しめて成り、且つ、該電極の先端部を下面開放の漏斗状
のカバーにて被覆し、更に、該カバー内に該電極の先端
部が没入するように形成されたことを特徴とする微生物
培養装置に於ける泡検知センサ。1. A conductive electrode inserted from the ceiling plate of a microorganism culturing tank into the inside of the culturing tank, the electrode being covered with an insulator, and having its tip exposed from the insulator. A microbial culture device, wherein the tip of the electrode is covered with a funnel-shaped cover having an open bottom, and the tip of the electrode is immersed in the cover. Foam detection sensor in
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4550793U JP2580200Y2 (en) | 1993-08-20 | 1993-08-20 | Foam detection sensor in microbial culture equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4550793U JP2580200Y2 (en) | 1993-08-20 | 1993-08-20 | Foam detection sensor in microbial culture equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0714368U JPH0714368U (en) | 1995-03-10 |
| JP2580200Y2 true JP2580200Y2 (en) | 1998-09-03 |
Family
ID=12721331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4550793U Expired - Lifetime JP2580200Y2 (en) | 1993-08-20 | 1993-08-20 | Foam detection sensor in microbial culture equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2580200Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101441884B1 (en) * | 2013-03-29 | 2014-09-25 | (주)아모레퍼시픽 | A Bubble Detecting Unit of Vacuum Container for Manufacturing Cosmetic and Method Thereof and Program Recording Unit Thereof |
| CN109187681A (en) * | 2018-08-09 | 2019-01-11 | 江苏丰泽生物工程设备制造有限公司 | A kind of no dead angle foam detecting electrode |
-
1993
- 1993-08-20 JP JP4550793U patent/JP2580200Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0714368U (en) | 1995-03-10 |
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